/*===== GOOGLE FONTS =====*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700&display=swap");

/*===== VARIABLES CSS =====*/
:root{
    --header-height: 3rem;
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;
}

/*===== ENHANCED COLOR PALETTE =====*/
:root{
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --white-color: #ffffff;
    --light-gray: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --dark-color: var(--gray-800);
    --text-color: var(--gray-600);
    --text-light: var(--gray-500);
    --border-color: var(--gray-200);
    
    /* Legacy support */
    --first-color: var(--primary-color);
    --extra-color: var(--gray-900);
    
    /* Background colors for theming */
    --bg-primary: var(--white-color);
    --bg-secondary: var(--light-gray);
    --bg-card: var(--white-color);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
}

/*===== DARK THEME =====*/
[data-theme="dark"] {
    --bg-primary: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-card: var(--gray-800);
    --text-primary: var(--white-color);
    --text-secondary: var(--gray-300);
    --border-color: var(--gray-700);
}

/*===== THEME TOGGLE =====*/
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.theme-toggle-icon {
    font-size: 1.5rem;
    color: var(--white-color);
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-toggle-icon {
    transform: rotate(15deg);
}

/*===== INTERACTIVE 3D CODE CUBE =====*/
.code-showcase {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    overflow: hidden;
    position: relative;
}

.code-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.code-showcase .section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.code-showcase .section-title {
    color: var(--white-color);
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.code-showcase .section-subtitle {
    color: var(--gray-300);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.code-cube-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
    position: relative;
    z-index: 2;
}

#code-cube-container {
    width: 100%;
    max-width: 600px;
    height: 500px;
    border-radius: 20px;
    background: rgba(30, 41, 59, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 80px rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

#code-cube-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.3), rgba(16, 185, 129, 0.3));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    pointer-events: none;
}

#code-cube-container canvas {
    border-radius: 18px;
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.code-cube-instructions {
    text-align: center;
    margin-top: 2rem;
    color: var(--gray-400);
    font-size: 0.9rem;
    position: relative;
    z-index: 2;
}

.code-cube-instructions i {
    color: var(--primary-color);
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.code-cube-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.code-feature {
    text-align: center;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

.code-feature:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.code-feature i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.code-feature h4 {
    color: var(--white-color);
    font-size: 1.1rem;
    font-weight: var(--font-semi-bold);
    margin-bottom: 0.5rem;
}

.code-feature p {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .code-showcase .section-title {
        font-size: 2rem;
    }
    
    #code-cube-container {
        height: 400px;
        margin: 0 1rem;
    }
    
    .code-cube-features {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .code-feature {
        padding: 1rem;
    }
}

@media screen and (max-width: 480px) {
    .code-showcase .section-title {
        font-size: 1.8rem;
    }
    
    #code-cube-container {
        height: 350px;
    }
}

/*===== INTERACTIVE TERMINAL =====*/
.terminal-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    position: relative;
    overflow: hidden;
}

.terminal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(239, 68, 68, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.terminal-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.terminal-section .section-title {
    color: var(--white-color);
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #10b981, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.terminal-section .section-subtitle {
    color: var(--gray-300);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.terminal-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

#interactive-terminal {
    background: #0d1117;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(16, 185, 129, 0.1);
    border: 1px solid #30363d;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    position: relative;
}

.terminal-header {
    background: linear-gradient(90deg, #21262d 0%, #30363d 100%);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #30363d;
    position: relative;
}

.terminal-controls {
    display: flex;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.terminal-button:hover {
    opacity: 0.8;
}

.terminal-close {
    background: #ff5f57;
}

.terminal-minimize {
    background: #ffbd2e;
}

.terminal-maximize {
    background: #28ca42;
}

.terminal-title {
    color: #8b949e;
    font-size: 14px;
    font-weight: 500;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.terminal-body {
    padding: 20px;
    height: 400px;
    overflow-y: auto;
    background: #0d1117;
}

.terminal-body::-webkit-scrollbar {
    width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
    background: #21262d;
    border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

.terminal-output {
    margin-bottom: 15px;
}

.terminal-line {
    margin-bottom: 8px;
    line-height: 1.5;
    font-size: 14px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.terminal-prompt {
    color: #10b981;
    font-weight: 600;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #f0f6fc;
    font-family: inherit;
    font-size: 14px;
    flex: 1;
    caret-color: #10b981;
}

.terminal-input::selection {
    background: rgba(16, 185, 129, 0.3);
}

/* Terminal Text Colors */
.terminal-success {
    color: #10b981;
}

.terminal-error {
    color: #f85149;
}

.terminal-warning {
    color: #f59e0b;
}

.terminal-info {
    color: #58a6ff;
    font-weight: 600;
}

.terminal-text {
    color: #c9d1d9;
}

.terminal-highlight {
    color: #ffa657;
    font-weight: 600;
}

.terminal-command {
    color: #79c0ff;
    font-weight: 500;
}

.terminal-link {
    color: #58a6ff;
    text-decoration: underline;
    cursor: pointer;
}

.terminal-link:hover {
    color: #79c0ff;
}

.terminal-file {
    color: #7ee787;
    font-weight: 500;
}

.terminal-input-echo {
    color: #f0f6fc;
}

/* Terminal Features Section */
.terminal-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.terminal-feature {
    text-align: center;
    padding: 2rem;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid #30363d;
    transition: all 0.3s ease;
}

.terminal-feature:hover {
    transform: translateY(-5px);
    border-color: #10b981;
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.1);
}

.terminal-feature i {
    font-size: 2.5rem;
    color: #10b981;
    margin-bottom: 1rem;
    display: block;
}

.terminal-feature h4 {
    color: var(--white-color);
    font-size: 1.2rem;
    font-weight: var(--font-semi-bold);
    margin-bottom: 0.8rem;
}

.terminal-feature p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Typing Animation */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal-input::after {
    content: '';
    width: 2px;
    height: 18px;
    background: #10b981;
    display: inline-block;
    animation: blink 1s infinite;
    margin-left: 1px;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .terminal-section .section-title {
        font-size: 2rem;
    }
    
    .terminal-wrapper {
        margin: 0 1rem;
    }
    
    .terminal-body {
        height: 350px;
        padding: 15px;
    }
    
    .terminal-line {
        font-size: 13px;
    }
    
    .terminal-input {
        font-size: 13px;
    }
    
    .terminal-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .terminal-feature {
        padding: 1.5rem;
    }
}

@media screen and (max-width: 480px) {
    .terminal-section .section-title {
        font-size: 1.8rem;
    }
    
    .terminal-body {
        height: 300px;
        padding: 12px;
    }
    
    .terminal-line {
        font-size: 12px;
    }
    
    .terminal-input {
        font-size: 12px;
    }
    
    .terminal-header {
        padding: 10px 15px;
    }
    
    .terminal-title {
        font-size: 12px;
    }
}

/*===== GITHUB ACTIVITY HEATMAP =====*/
.github-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--gray-900) 0%, #0d1117 100%);
    position: relative;
    overflow: hidden;
}

.github-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.github-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.github-section .section-title {
    color: var(--white-color);
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #58a6ff, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.github-section .section-subtitle {
    color: var(--gray-300);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.github-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.github-heatmap {
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid #30363d;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 100px rgba(88, 166, 255, 0.1);
}

/* GitHub Loading */
.github-loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-400);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #30363d;
    border-top: 3px solid #58a6ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* GitHub Stats */
.github-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, #21262d 0%, #30363d 100%);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid #30363d;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #58a6ff, #10b981);
    border-radius: 12px 12px 0 0;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: #58a6ff;
    box-shadow: 0 15px 35px rgba(88, 166, 255, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: #58a6ff;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: var(--font-semi-bold);
    color: #f0f6fc;
    margin-bottom: 0.3rem;
}

.stat-period {
    font-size: 0.85rem;
    color: #8b949e;
}

/* Contribution Graph */
.contribution-graph {
    margin-bottom: 3rem;
}

.graph-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.graph-header h3 {
    color: #f0f6fc;
    font-size: 1.3rem;
    font-weight: var(--font-semi-bold);
    margin: 0;
}

.graph-legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #8b949e;
}

.legend-colors {
    display: flex;
    gap: 2px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    border: 1px solid #30363d;
}

.legend-color[data-level="0"] {
    background-color: #161b22;
}

.legend-color[data-level="1"] {
    background-color: rgba(16, 185, 129, 0.3);
}

.legend-color[data-level="2"] {
    background-color: rgba(16, 185, 129, 0.6);
}

.legend-color[data-level="3"] {
    background-color: rgba(16, 185, 129, 0.8);
}

.legend-color[data-level="4"] {
    background-color: rgba(16, 185, 129, 1);
}

.graph-container {
    background: #0d1117;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #21262d;
    overflow-x: auto;
}

.month-labels {
    display: flex;
    margin-bottom: 0.5rem;
    padding-left: 50px;
}

.month-label {
    flex: 1;
    font-size: 0.75rem;
    color: #8b949e;
    text-align: left;
}

.heatmap-grid {
    display: flex;
    gap: 0.5rem;
}

.day-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-right: 0.5rem;
}

.day-label {
    height: 12px;
    font-size: 0.7rem;
    color: #8b949e;
    display: flex;
    align-items: center;
    margin-bottom: 1px;
}

.weeks-grid {
    display: flex;
    gap: 2px;
}

.week-column {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contribution-day {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #30363d;
}

.contribution-day[data-level="0"] {
    background-color: #161b22;
}

.contribution-day[data-level="1"] {
    background-color: rgba(16, 185, 129, 0.3);
}

.contribution-day[data-level="2"] {
    background-color: rgba(16, 185, 129, 0.6);
}

.contribution-day[data-level="3"] {
    background-color: rgba(16, 185, 129, 0.8);
}

.contribution-day[data-level="4"] {
    background-color: rgba(16, 185, 129, 1);
}

.contribution-day:hover {
    transform: scale(1.2);
    border-color: #58a6ff;
}

/* Tooltip */
.contribution-tooltip {
    position: absolute;
    background: #21262d;
    color: #f0f6fc;
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    border: 1px solid #30363d;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    pointer-events: none;
    line-height: 1.4;
}

/* Language Stats */
.language-stats {
    margin-bottom: 3rem;
}

.language-stats h3 {
    color: #f0f6fc;
    font-size: 1.3rem;
    font-weight: var(--font-semi-bold);
    margin-bottom: 1.5rem;
}

.language-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.language-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: #21262d;
    border-radius: 8px;
    border: 1px solid #30363d;
    transition: all 0.3s ease;
}

.language-item:hover {
    border-color: #58a6ff;
    transform: translateX(5px);
}

.language-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
}

.language-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.language-name {
    color: #f0f6fc;
    font-weight: var(--font-medium);
    font-size: 0.9rem;
}

.language-bar {
    flex: 1;
    height: 8px;
    background: #161b22;
    border-radius: 4px;
    overflow: hidden;
}

.language-progress {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s ease;
}

.language-count {
    color: #8b949e;
    font-size: 0.85rem;
    min-width: 30px;
    text-align: right;
}

/* Recent Repositories */
.recent-repos h3 {
    color: #f0f6fc;
    font-size: 1.3rem;
    font-weight: var(--font-semi-bold);
    margin-bottom: 1.5rem;
}

.repos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.repo-card {
    background: #21262d;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #30363d;
    transition: all 0.3s ease;
    cursor: pointer;
}

.repo-card:hover {
    border-color: #58a6ff;
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(88, 166, 255, 0.1);
}

.repo-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.repo-header i {
    color: #8b949e;
    font-size: 1.1rem;
}

.repo-name {
    color: #58a6ff;
    font-weight: var(--font-semi-bold);
    font-size: 1rem;
}

.repo-description {
    color: #8b949e;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    height: 2.8rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.repo-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.repo-language {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #f0f6fc;
    font-size: 0.85rem;
}

.language-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.repo-stars {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: #8b949e;
    font-size: 0.85rem;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .github-section .section-title {
        font-size: 2rem;
    }
    
    .github-wrapper {
        margin: 0 1rem;
    }
    
    .github-heatmap {
        padding: 1.5rem;
    }
    
    .github-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .graph-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .repos-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .repo-card {
        padding: 1rem;
    }
}

@media screen and (max-width: 480px) {
    .github-section .section-title {
        font-size: 1.8rem;
    }
    
    .github-heatmap {
        padding: 1rem;
    }
    
    .github-stats {
        grid-template-columns: 1fr;
    }
    
    .graph-container {
        padding: 1rem;
        overflow-x: scroll;
    }
    
    .month-labels {
        padding-left: 40px;
    }
    
    .language-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .language-info {
        min-width: auto;
    }
}

/*===== PARTICLE ANIMATION BACKGROUND =====*/
.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
}

/* Hero Section with Particles */
.home {
    position: relative;
    overflow: hidden;
}

.home .particle-container {
    z-index: 1;
}

.home__container {
    position: relative;
    z-index: 2;
}

/* Skills Section with Particles */
.skills {
    position: relative;
    overflow: hidden;
}

.skills .particle-container {
    z-index: 1;
    opacity: 0.7;
}

.skills__container {
    position: relative;
    z-index: 2;
}

/* Contact Section with Particles */
.contact {
    position: relative;
    overflow: hidden;
}

.contact .particle-container {
    z-index: 1;
    opacity: 0.5;
}

.contact__container {
    position: relative;
    z-index: 2;
}

/* Particle Animation Effects */
@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes particleGlow {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
}

/* Reduce particle complexity on smaller screens */
@media screen and (max-width: 768px) {
    .particle-container {
        opacity: 0.5;
    }
    
    .particle-canvas {
        transform: scale(0.8);
    }
}

@media screen and (max-width: 480px) {
    .particle-container {
        opacity: 0.3;
    }
    
    .particle-canvas {
        transform: scale(0.6);
    }
}

/* Performance optimization for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .particle-container {
        display: none;
    }
}

/*===== INTERACTIVE SKILLS RADAR CHART =====*/
.skills-radar-section {
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    border-radius: 20px;
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.skills-radar-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.radar-chart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.radar-canvas {
    border-radius: 50%;
    background: rgba(13, 17, 23, 0.5);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 60px rgba(59, 130, 246, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.radar-canvas:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 80px rgba(59, 130, 246, 0.2);
    transform: scale(1.02);
}

.radar-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    width: 100%;
    max-width: 800px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.legend-item:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);
    background: rgba(30, 41, 59, 0.8);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.legend-label {
    color: var(--white-color);
    font-weight: var(--font-medium);
    font-size: 0.9rem;
    flex: 1;
}

.legend-value {
    color: var(--primary-color);
    font-weight: var(--font-semi-bold);
    font-size: 0.85rem;
    font-family: 'Fira Code', monospace;
}

.radar-tooltip {
    position: fixed;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    max-width: 250px;
    pointer-events: none;
}

.tooltip-skill {
    color: var(--primary-color);
    font-weight: var(--font-semi-bold);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.tooltip-level {
    color: var(--white-color);
    font-weight: var(--font-medium);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.tooltip-description {
    color: var(--gray-400);
    font-size: 0.8rem;
    line-height: 1.4;
}

/* Skills Radar Section Header */
.skills-radar-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.skills-radar-title {
    color: var(--white-color);
    font-size: 2rem;
    font-weight: var(--font-bold);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills-radar-subtitle {
    color: var(--gray-300);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Animation Classes */
@keyframes radarPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.radar-canvas.animating {
    animation: radarPulse 2s ease-in-out infinite;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .radar-chart-container {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .radar-legend {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .legend-item {
        padding: 0.6rem 0.8rem;
    }
    
    .legend-label {
        font-size: 0.85rem;
    }
    
    .legend-value {
        font-size: 0.8rem;
    }
    
    .skills-radar-title {
        font-size: 1.8rem;
    }
    
    .skills-radar-subtitle {
        font-size: 0.9rem;
    }
    
    .radar-tooltip {
        max-width: 200px;
        padding: 0.8rem;
    }
    
    .tooltip-skill {
        font-size: 0.9rem;
    }
    
    .tooltip-level {
        font-size: 0.8rem;
    }
    
    .tooltip-description {
        font-size: 0.75rem;
    }
}

@media screen and (max-width: 480px) {
    .radar-chart-container {
        padding: 0.5rem;
    }
    
    .skills-radar-title {
        font-size: 1.6rem;
    }
    
    .radar-canvas {
        max-width: 280px;
        max-height: 280px;
    }
    
    .legend-item {
        padding: 0.5rem 0.6rem;
        gap: 0.6rem;
    }
    
    .legend-color {
        width: 10px;
        height: 10px;
    }
}

/*===== PERFORMANCE OPTIMIZATION STYLES =====*/
/* Loading States */
.loading {
    position: relative;
    min-height: 200px;
    opacity: 0.7;
    pointer-events: none;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    text-align: center;
}

.spinner-ring {
    display: inline-block;
    position: relative;
    width: 40px;
    height: 40px;
}

.spinner-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 32px;
    height: 32px;
    margin: 4px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spinner-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: var(--primary-color) transparent transparent transparent;
}

.spinner-ring div:nth-child(1) {
    animation-delay: -0.45s;
}

.spinner-ring div:nth-child(2) {
    animation-delay: -0.3s;
}

.spinner-ring div:nth-child(3) {
    animation-delay: -0.15s;
}

@keyframes spinner-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-top: 1rem;
    font-weight: var(--font-medium);
}

/* Error States */
.error {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-message {
    text-align: center;
    padding: 2rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.error-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.error-text {
    color: var(--gray-300);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.retry-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: var(--font-medium);
    transition: all 0.3s ease;
}

.retry-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Lazy Loading Images */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}

/* Performance Optimizations for Slow Connections */
.slow-connection .particle-container {
    display: none;
}

.slow-connection .radar-canvas {
    animation: none;
}

.slow-connection .terminal-feature {
    transition: none;
}

.slow-connection .code-feature {
    transition: none;
}

/* Skeleton Loading Placeholders */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
    height: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-text:last-child {
    width: 80%;
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-rect {
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Component-specific loading states */
#code-cube-container.loading {
    background: rgba(30, 41, 59, 0.3);
    border-radius: 20px;
}

#interactive-terminal.loading {
    background: #0d1117;
    border-radius: 12px;
}

#github-heatmap-container.loading {
    background: rgba(13, 17, 23, 0.9);
    border-radius: 20px;
}

#skills-radar-container.loading {
    background: rgba(30, 41, 59, 0.6);
    border-radius: 15px;
}

/* Progressive Enhancement Classes */
.no-js .code-showcase,
.no-js .terminal-section,
.no-js .github-section {
    display: none;
}

.no-js .fallback-content {
    display: block;
}

.fallback-content {
    display: none;
    padding: 2rem;
    text-align: center;
    background: var(--gray-100);
    border-radius: 12px;
    margin: 2rem 0;
}

/* Critical CSS for above-the-fold content */
.critical-section {
    contain: layout style paint;
}

/* Reduce motion for accessibility and performance */
@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation: none;
    }
    
    .spinner-ring div {
        animation: none;
        border: 3px solid var(--primary-color);
    }
    
    .skeleton {
        animation: none;
        background: var(--gray-200);
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles for performance */
@media print {
    .particle-container,
    .loading-spinner,
    .error-message,
    .code-showcase,
    .terminal-section,
    .github-section {
        display: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .loading-spinner {
        border-color: #000;
    }
    
    .error-message {
        border-color: #000;
        background: #fff;
        color: #000;
    }
}

/* Performance monitoring indicator */
#performance-debug {
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    user-select: none;
    transition: opacity 0.3s ease;
}

#performance-debug:hover {
    opacity: 0.8;
}

/*===== Fuente y tipografia =====*/
:root{
    --body-font: 'Montserrat', sans-serif;
    --big-font-size: 6.25rem;
    --h2-font-size: 1.25rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
}
@media screen and (min-width: 768px){
    :root{
        --big-font-size: 10.5rem;
        --h2-font-size: 2rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
    }
}

/*===== Margenes =====*/
:root{
    --mb-1: .5rem;
    --mb-2: 1rem;
    --mb-3: 1.5rem;
    --mb-4: 2rem;
}

/*===== z index =====*/
:root{
    --z-fixed: 100;
}

/*===== BASE =====*/
*,::before,::after{
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
body{
    margin: 0;
    padding-top: var(--header-height);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Global Alignment & Consistency */
* {
    box-sizing: border-box;
}

.text-center {
    text-align: center;
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}
h1,h2,p{
    margin: 0;
}
ul{
    margin: 0;
    padding: 0;
    list-style: none;
}
a{
    text-decoration: none;
    color: var(--text-color);
}
img{
    max-width: 100%;
    height: auto;
    display: block;
}

/*===== CLASS CSS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

@keyframes glowing {
    0% {
      background-color: lightgrey;
      box-shadow: 0 0 5px lightblue;
    }
    50% {
      background-color: lightgrey;
      box-shadow: 0 0 20px lightblue;
    }
    100% {
      background-color: lightgrey;
      box-shadow: 0 0 5px lightblue;
    }
  }

.btn:hover{
  background: #a2b3bd;
  background-image: -webkit-linear-gradient(top, #a2b3bd, #3498db);
  background-image: -moz-linear-gradient(top, #a2b3bd, #3498db);
  background-image: -ms-linear-gradient(top, #a2b3bd, #3498db);
  background-image: -o-linear-gradient(top, #a2b3bd, #3498db);
  background-image: linear-gradient(to bottom, #a2b3bd, #3498db);
  text-decoration: none;
  animation: glowing 1300ms infinite;
}






.section{
    padding: 4rem 0;
    position: relative;
    width: 100%;
    clear: both;
    margin: 0 auto;
    box-sizing: border-box;
}

.section:not(.home) {
    margin-top: 2rem;
}

.section-title{
    position: relative;
    font-size: var(--h2-font-size);
    color: var(--dark-color);
    margin: 0 0 var(--mb-4) 0;
    text-align: center;
}
.section-title::after{
    position: absolute;
    content: "";
    width: 32px;
    height: .18rem;
    left: 0;
    right: 0;
    margin: auto;
    top: 2rem;
    background-color: var(--first-color);
}

/*===== LAYOUT =====*/
.bd-grid{
    max-width: 1200px;
    display: grid;
    grid-template-columns: 100%;
    grid-column-gap: 2rem;
    width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}
    
/*===== ENHANCED EXPERIENCE SECTION =====*/
.experience {
    background: linear-gradient(135deg, var(--light-gray) 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.experience__container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Timeline Design */
.experience__container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    border-radius: 2px;
}

.experience__item {
    position: relative;
    background: var(--white-color);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    width: calc(50% - 2rem);
}

.experience__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.experience__item--current {
    margin-left: calc(50% + 2rem);
}

.experience__item--current::before {
    background: linear-gradient(90deg, var(--success-color), var(--primary-color));
}

.experience__item--internship {
    margin-right: calc(50% + 2rem);
}

.experience__item--internship::before {
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.experience__item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Timeline Dots */
.experience__timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--white-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.experience__item--current .experience__timeline-dot {
    right: -42px;
    top: 30px;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

.experience__item--internship .experience__timeline-dot {
    left: -42px;
    top: 30px;
    background: var(--accent-color);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.experience__content {
    position: relative;
    z-index: 1;
}

.experience__header {
    margin-bottom: 1.5rem;
}

.experience__header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience__title {
    font-size: 1.6rem;
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.experience__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: var(--font-semi-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.experience__badge--current {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: var(--white-color);
}

.experience__badge--internship {
    background: linear-gradient(135deg, var(--accent-color), #0891b2);
    color: var(--white-color);
}

.experience__company-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.experience__company {
    font-size: 1.2rem;
    font-weight: var(--font-semi-bold);
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.experience__period {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: var(--font-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Skills Tags */
.experience__skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.skill-tag {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    color: var(--gray-700);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: var(--font-medium);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white-color);
    transform: translateY(-2px);
}

.experience__description {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.experience__description li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.7;
    transition: all 0.3s ease;
}

.experience__description li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    transform: translateY(-50%);
}

.experience__description li:hover {
    color: var(--dark-color);
    transform: translateX(5px);
}

.experience__actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn--certificate {
    background: linear-gradient(135deg, var(--accent-color), #0891b2);
    color: var(--white-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: var(--font-semi-bold);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn--certificate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
    color: var(--white-color);
}

.experience__achievement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--success-color);
    font-weight: var(--font-semi-bold);
    font-size: 0.9rem;
}

.experience__achievement i {
    font-size: 1.2rem;
}

/* Section Header Improvements */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--dark-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}
/*===== HEADER =====*/
.l-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.l-header.scrolled {
    background: var(--bg-card);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.l-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.l-header.scrolled::before {
    opacity: 1;
}

/*===== NAV =====*/
.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.nav__brand {
    display: flex;
    align-items: center;
}

.nav__logo {
    color: var(--dark-color);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    white-space: nowrap;
}

.nav__logo:hover {
    transform: scale(1.02);
    color: var(--primary-color);
}

.nav__logo span {
    font-weight: 700;
    color: var(--dark-color);
    white-space: nowrap;
}

.nav__list {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__item {
    margin-bottom: 0;
}

/*===== NAVIGATION LINKS =====*/
.nav__link {
    position: relative;
    color: var(--text-color);
    text-decoration: none;
    font-weight: var(--font-medium);
    padding: 0.75rem 1.2rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: block;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav__link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav__link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.nav__link:hover::before {
    width: 80%;
}

.nav__link:hover::after {
    opacity: 0.1;
}

.nav__link.active {
    color: var(--white-color);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.nav__link.active::before {
    display: none;
}

/*===== MOBILE TOGGLE BUTTON =====*/
.nav__toggle {
    display: none;
    color: var(--dark-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--light-gray);
    border: 1px solid var(--border-color);
}

.nav__toggle:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/*===== MOBILE NAVIGATION =====*/
@media screen and (max-width: 768px) {
    .nav {
        padding: 0 1rem;
    }
    
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        height: calc(100vh - var(--header-height));
        padding: 2rem;
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        transition: right 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav__menu.show {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }
    
    .nav__item {
        margin-bottom: 1rem;
    }
    
    .nav__link {
        padding: 1rem;
        font-size: 1.1rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 0.5rem;
        color: var(--white-color);
    }
    
    .nav__link:hover {
        background: rgba(83, 97, 255, 0.2);
        transform: translateX(10px);
        color: var(--white-color);
    }
    
    .nav__link.active {
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        color: var(--white-color);
    }
    
    .nav__toggle {
        display: block;
    }
    
    .nav__logo {
        font-size: 1.3rem;
    }
    
    .nav__logo span {
        color: var(--dark-color);
        white-space: nowrap;
    }
}

/*===== MOBILE NAVIGATION - SMALL SCREENS =====*/
@media screen and (max-width: 480px) {
    .nav {
        padding: 0 0.5rem;
    }
    
    .nav__menu {
        width: 90%;
        padding: 1.5rem;
    }
    
    .nav__logo {
        font-size: 1.2rem;
    }
    
    .nav__logo span {
        color: var(--dark-color);
        white-space: nowrap;
    }
    
    .nav__link {
        font-size: 1rem;
        padding: 0.8rem;
    }
}

/*=== Show menu ===*/
.show{
    right: 0;
}

/*Active menu*/
.active::after{
    position: absolute;
    content: "";
    width: 100%;
    height: .18rem;
    left: 0;
    top: 2rem;
    background-color: var(--first-color);
}

/*===== ENHANCED HOME SECTION =====*/
.home {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
}

.home__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.home__background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(83, 97, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(50px) translateY(-30px); }
}

.home__background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(83, 97, 255, 0.03) 30.5%, rgba(83, 97, 255, 0.03) 31%, transparent 31.5%),
        linear-gradient(-45deg, transparent 30%, rgba(0, 212, 255, 0.03) 30.5%, rgba(0, 212, 255, 0.03) 31%, transparent 31.5%);
    background-size: 100px 100px;
    animation: patternMove 15s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 100px 100px, -100px 100px; }
}

.home__container {
    position: relative;
    z-index: 2;
    min-height: calc(100vh - var(--header-height));
    height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    box-sizing: border-box;
}

.home__content {
    animation: slideInLeft 1s ease-out;
}

.home__greeting {
    margin-bottom: 1rem;
}

.home__greeting-text {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(83, 97, 255, 0.1);
    border: 1px solid rgba(83, 97, 255, 0.3);
    border-radius: 25px;
    color: #00d4ff;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 10px rgba(0, 212, 255, 0.2); }
    to { box-shadow: 0 0 20px rgba(0, 212, 255, 0.4); }
}

.home__title {
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.home__title-line {
    display: block;
    font-size: 1.5rem;
    color: #8e9aaf;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.home__title-name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShine 3s ease-in-out infinite;
}

@keyframes textShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}





.home__description {
    margin-bottom: 2.5rem;
    margin-top: 1.5rem;
    font-size: 1.1rem;
    color: #8e9aaf;
    line-height: 1.6;
    max-width: 500px;
}

.home__buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(83, 97, 255, 0.3);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(83, 97, 255, 0.4);
}

.btn--secondary {
    background: transparent;
    color: #00d4ff;
    border-color: #00d4ff;
}

.btn--secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
}

.home__social {
    display: flex;
    gap: 1rem;
}

.home__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #8e9aaf;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
}

.home__social-link:hover {
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(83, 97, 255, 0.3);
}

.home__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.home__img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    display: block;
}

.home__img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(83, 97, 255, 0.4);
}

.home__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.home__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #8e9aaf;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
}

.home__scroll-link:hover {
    color: #00d4ff;
    transform: translateY(-3px);
}

.home__scroll-link i {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .home__container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 1rem;
        min-height: calc(100vh - var(--header-height));
        justify-content: center;
    }
    
    .home__title-name {
        font-size: 2.5rem;
    }
    
    .home__buttons {
        justify-content: center;
    }
    
    .home__image {
        width: 250px;
        height: 250px;
    }
    
    .home__img {
        width: 220px;
        height: 220px;
    }
}


/*===== ENHANCED ABOUT SECTION =====*/
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #8e9aaf;
    max-width: 600px;
    margin: 0 auto;
}

.about {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
    clear: both;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(83, 97, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about__image-card {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about__image-bg {
    position: absolute;
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, rgba(83, 97, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 20px;
    filter: blur(20px);
    animation: floatUpDown 6s ease-in-out infinite;
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.about__img {
    position: relative;
    z-index: 2;
    width: 250px;
    height: 250px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.about__img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.about__image-decorations {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.decoration {
    position: absolute;
    background: linear-gradient(135deg, #5361FF, #00d4ff);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.decoration-1 {
    width: 20px;
    height: 20px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.decoration-2 {
    width: 15px;
    height: 15px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.decoration-3 {
    width: 25px;
    height: 25px;
    top: 60%;
    right: -10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    33% { transform: translateY(-15px) translateX(10px); }
    66% { transform: translateY(5px) translateX(-5px); }
}

.about__info-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about__info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
}

.about__info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.about__header {
    margin-bottom: 2rem;
}

.about__name {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.about__role {
    font-size: 1.1rem;
    color: #5361FF;
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.about__status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #27ae60;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: #27ae60;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(39, 174, 96, 0); }
    100% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0); }
}

.about__description {
    margin-bottom: 2.5rem;
}

.about__text {
    font-size: 1rem;
    line-height: 1.7;
    color: #697477;
    margin-bottom: 1rem;
}

.about__text strong {
    color: #2c3e50;
    font-weight: 600;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #8e9aaf;
    font-weight: 500;
}

.about__highlights {
    display: grid;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(83, 97, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(83, 97, 255, 0.1);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(83, 97, 255, 0.1);
    transform: translateX(5px);
}

.highlight-item i {
    font-size: 1.5rem;
    color: #5361FF;
    min-width: 24px;
}

.highlight-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.highlight-content p {
    font-size: 0.9rem;
    color: #8e9aaf;
    margin: 0;
}

.about__social {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.about__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    border-radius: 12px;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about__social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.about__social-link:hover::before {
    left: 100%;
}

.about__social-link:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(83, 97, 255, 0.3);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .about {
        padding: 4rem 0;
    }
    
    .about__container {
        padding: 0 1rem;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .about__img {
        width: 200px;
        height: 200px;
    }
    
    .about__image-bg {
        width: 230px;
        height: 230px;
    }
    
    .about__info-card {
        padding: 2rem;
    }
    
    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}










/*===== ENHANCED SKILLS SECTION =====*/
.skills {
    padding: 5rem 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
    clear: both;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(83, 97, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.skills .section-title {
    color: white;
}

.skills .section-subtitle {
    color: #8e9aaf;
}

.skills__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.skills__categories {
    display: grid;
    gap: 2.5rem;
}

.skills__category {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skills__category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
}

.skills__category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-color: rgba(83, 97, 255, 0.3);
}

.category__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category__icon {
    font-size: 2rem;
    color: #00d4ff;
    padding: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.category__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

.skills__grid {
    display: grid;
    gap: 1.5rem;
}

.skill__item {
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInSkill 0.6s ease forwards;
}

.skill__item:nth-child(1) { animation-delay: 0.1s; }
.skill__item:nth-child(2) { animation-delay: 0.2s; }
.skill__item:nth-child(3) { animation-delay: 0.3s; }
.skill__item:nth-child(4) { animation-delay: 0.4s; }
.skill__item:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInSkill {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.skill__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill__name {
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
}

.skill__percentage {
    font-size: 0.9rem;
    font-weight: 600;
    color: #00d4ff;
}

.skill__bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill__progress {
    height: 100%;
    background: linear-gradient(135deg, #5361FF 0%, #00d4ff 100%);
    border-radius: 10px;
    width: 0;
    position: relative;
    opacity: 1;
}

.skill__progress.animated {
    opacity: 1;
}

.skill__progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skills__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill__tag {
    padding: 0.5rem 1rem;
    background: rgba(83, 97, 255, 0.1);
    border: 1px solid rgba(83, 97, 255, 0.3);
    border-radius: 25px;
    color: #00d4ff;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill__tag:hover {
    background: rgba(83, 97, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(83, 97, 255, 0.3);
}

.skills__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.skills__image-bg {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(83, 97, 255, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
    border-radius: 50%;
    filter: blur(40px);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.skills__img {
    position: relative;
    z-index: 2;
    width: 250px;
    height: 250px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.skills__img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.skills__floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00d4ff;
    font-size: 1.5rem;
    animation: floatIcon 6s ease-in-out infinite;
}

.floating-icon-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-icon-2 {
    bottom: 20%;
    left: 5%;
    animation-delay: 1.5s;
}

.floating-icon-3 {
    top: 60%;
    right: -5%;
    animation-delay: 3s;
}

.floating-icon-4 {
    top: 20%;
    left: -5%;
    animation-delay: 4.5s;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0px) translateX(0px) scale(1); }
    25% { transform: translateY(-15px) translateX(10px) scale(1.1); }
    50% { transform: translateY(-5px) translateX(-10px) scale(0.9); }
    75% { transform: translateY(10px) translateX(5px) scale(1.05); }
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .skills__container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .skills__image {
        order: -1;
    }
}

@media screen and (max-width: 768px) {
    .skills {
        padding: 4rem 0;
    }
    
    .skills__container {
        padding: 0 1rem;
        gap: 2rem;
    }
    
    .skills__category {
        padding: 1.5rem;
    }
    
    .skills__img {
        width: 200px;
        height: 200px;
    }
    
    .skills__image-bg {
        width: 250px;
        height: 250px;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ===== PORTFOLIO =====*/
.portfolio{
    background-color: var(--white-color);
    padding: 5rem 0;
}
.portfolio__container{
    justify-items: center;
    row-gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.portfolio__img{
    position: relative;
    overflow: hidden;
    border-radius: .5rem;
    transition: all 0.3s ease;
}
.portfolio__img img{
    border-radius: .5rem;
    transition: opacity 0.3s ease;
    opacity: 0;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Portfolio loading states */
.portfolio__img.loaded img {
    opacity: 1;
}

.portfolio__img.error img {
    opacity: 0.3;
}

.portfolio__img.error::after {
    content: 'Image failed to load';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #64748b;
    font-size: 0.875rem;
    text-align: center;
    z-index: 2;
}

.portfolio__img.hovered {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}
.portfolio__link{
    position: absolute;
    bottom: -100%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255,255,255,.3);
    border-radius: .5rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: .3s;
}
.portfolio__img:hover .portfolio__link{
    bottom: 0;
}
.portfolio__link-name{
    color: var(--dark-color);
}

/* ===== CONTACT =====*/
.contact {
    padding: 5rem 0;
}
.contact__container{
    row-gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.contact__subtitle{
    font-size: var(--normal-font-size);
    color: var(--first-color);
}
.contact__text{
    display: inline-block;
    margin-bottom: var(--mb-2);
}
.contact__inputs{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 1rem;
}
.contact__input{
    width: 100%;
    padding: .8rem;
    outline: none;
    border: 1.5px solid var(--dark-color);
    font-size: var(--normal-font-size);
    margin-bottom: var(--mb-4);
    border-radius: .5rem;
}
.contact__button{
    display: block;
    background-color: var(--first-color);
    color: var(--white-color);
    padding: .75rem 2.5rem;
    margin-left: auto;
    border-radius: .5rem;
    border: none;
    outline: none;
    font-size: var(--normal-font-size);
    cursor: pointer;
}

/* ===== ENHANCED FOOTER =====*/
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(83, 97, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer__container {
    row-gap: 2rem;
    padding: 2.5rem 0 1.5rem;
    position: relative;
    z-index: 1;
}

.footer__data {
    text-align: center;
}

.footer__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.footer__title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(45deg, #5361FF, #00d4ff);
    border-radius: 2px;
}

.footer__text {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer__subtitle {
    color: #8e9aaf;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer__description {
    color: #b0b8c5;
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 300px;
    margin: 0 auto;
}

.footer__data ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
}

.footer__data li {
    margin: 0;
}

.footer__link {
    color: #b0b8c5;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    white-space: nowrap;
    text-align: center;
    display: inline-block;
}

.footer__link:hover {
    color: #ffffff;
    background: rgba(83, 97, 255, 0.2);
    transform: translateX(5px);
}

.footer__social-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.footer__social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.footer__social:hover {
    background: linear-gradient(45deg, #5361FF, #00d4ff);
    border-color: transparent;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 25px rgba(83, 97, 255, 0.3);
}

.footer__contact {
    margin-top: 1rem;
}

.footer__contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    color: #b0b8c5;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer__contact-info i {
    color: #5361FF;
    font-size: 1.1rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
}

.footer__tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.footer__copyright {
    color: #8e9aaf;
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
    margin: 0 auto;
    display: block;
    width: 100%;
}

.footer__tech {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__tech-item {
    background: rgba(83, 97, 255, 0.15);
    color: #5361FF;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(83, 97, 255, 0.3);
    transition: all 0.3s ease;
}

.footer__tech-item:hover {
    background: rgba(83, 97, 255, 0.3);
    transform: translateY(-2px);
}

/* Mobile Footer Adjustments */
@media screen and (max-width: 480px) {
    .footer__data ul {
        gap: 0.6rem;
    }
    
    .footer__link {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
}

/* Responsive Footer */
@media screen and (min-width: 768px) {
    .footer__container {
        grid-template-columns: 1.2fr 1fr 1.3fr;
        text-align: left;
        column-gap: 2rem;
        padding: 3rem 0 2rem;
    }
    
    .footer__data {
        text-align: left;
    }
    
    .footer__title::after {
        left: 0;
        transform: none;
    }
    
    .footer__data ul {
        align-items: flex-start;
    }
    
    .footer__social-container {
        justify-content: flex-start;
        margin-top: 1.5rem;
    }
    
    .footer__contact-info {
        justify-content: flex-start;
    }
    
    .footer__tag {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .footer__description {
        max-width: none;
        margin: 0;
    }
}

@media screen and (max-width: 767px) {
    .footer__container {
        padding: 2rem 0 1.5rem;
        gap: 1.5rem;
    }
    
    .footer__data {
        text-align: center;
    }
    
    .footer__social-container {
        gap: 0.8rem;
        margin-top: 1rem;
    }
    
    .footer__social {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }
    
    .footer__contact-info {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }
    
    .footer__copyright {
        font-size: 0.85rem;
    }
    
    .footer__tech {
        gap: 0.6rem;
    }
    
    .footer__tech-item {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
}

@media screen and (max-width: 480px) {
    .footer__container {
        padding: 1.5rem 0 1rem;
        gap: 1.2rem;
    }
    
    .footer__social-container {
        gap: 0.6rem;
    }
    
    .footer__social {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
    
    .footer__contact-info {
        font-size: 0.85rem;
    }
    
    .footer__copyright {
        font-size: 0.8rem;
    }
}



/*===== RESPONSIVE DESIGN =====*/
/* For extra small devices */
@media screen and (max-width: 320px) {
    .home__image {
        width: 200px;
        height: 200px;
    }
    
    .home__img {
        width: 180px;
        height: 180px;
    }
    
    .home__title {
        font-size: 2rem;
    }
    
    .home__description {
        font-size: 0.9rem;
    }
    
    .home__buttons {
        flex-direction: column;
        gap: 1rem;
    }
}

/* For small devices */
@media screen and (max-width: 480px) {
    .home__image {
        width: 220px;
        height: 220px;
    }
    
    .home__img {
        width: 200px;
        height: 200px;
    }
    
    .home__container {
        gap: 2rem;
        padding: 1rem;
    }
    
    .home__content {
        text-align: center;
    }
}

/* For tablet and desktop */
@media screen and (min-width: 768px) {
    body {
        margin: 0;
    }
    
    .section {
        padding-top: 4rem;
    }
    
    .section-title {
        margin-bottom: 3rem;
    }
    
    .home__container {
        height: 100vh;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 2rem;
    }
    
    .home__content {
        text-align: left;
    }
    
    .home__image {
        width: 350px;
        height: 350px;
        margin: 0;
    }
    
    .home__img {
        width: 320px;
        height: 320px;
    }
    
    .about__container {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
        text-align: initial;
        padding: 4rem 0;
    }
    
    .about__img {
        width: 200px;
        height: 200px;
    }
    
    .about__img img {
        width: 165px;
    }
    
    .skills__container {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
    }
    
    .portfolio__container {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 1fr);
        column-gap: 2rem;
    }
    
    .contact__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        justify-items: center;
    }
    
    .contact__form {
        width: 380px;
    }
    
    .footer__container {
        grid-template-columns: repeat(3, 1fr);
        justify-items: center;
    }
}

/* For large desktop screens */
@media screen and (min-width: 1024px) {
    .bd-grid {
        margin-left: auto;
        margin-right: auto;
    }
    
    .home__image {
        width: 400px;
        height: 400px;
    }
    
    .home__img {
        width: 380px;
        height: 380px;
    }
    
    .home__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
    }
}

/* For tall screens on mobiles y desktop*/
@media screen and (min-height: 721px) {
    .home__container {
        height: 640px;
    }
    .home__img {
        width: 280px;
        right: 20%;
        
    }
}



/*===== COMPREHENSIVE RESPONSIVE FIXES =====*/
@media screen and (max-width: 768px) {
    .section {
        padding: 3rem 0;
        margin-top: 1rem;
    }
    
    .bd-grid {
        padding: 0 1rem;
        grid-column-gap: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    /* Experience section responsive */
    .experience__container {
        padding: 0 1rem;
    }
    
    .experience__container::before {
        left: 2rem;
    }
    
    .experience__item {
        width: calc(100% - 3rem);
        margin-left: 3rem !important;
        margin-right: 0 !important;
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .experience__timeline-dot {
        left: -42px !important;
        right: auto !important;
    }
    
    .experience__header-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .experience__title {
        font-size: 1.3rem;
    }
    
    .experience__company {
        font-size: 1rem;
    }
    
    .experience__skills-tags {
        margin: 1rem 0;
    }
    
    .skill-tag {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
    
    .experience__actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}

@media screen and (max-width: 480px) {
    .section {
        padding: 2rem 0;
    }
    
    .bd-grid {
        padding: 0 0.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    /* Mobile Alignment Fixes */
    .section-header {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .portfolio__container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .contact__container {
        padding: 0 1rem;
    }
    
    .bd-grid {
        padding: 0 1rem;
    }
}

/* Extra Small Devices (phones, 480px and down) */
@media screen and (max-width: 480px) {
    .home__title-name {
        font-size: 2rem;
    }
    
    .home__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        justify-content: center;
    }
    
    .about__stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .skills__category {
        padding: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .container, .bd-grid {
        padding: 0 0.5rem;
    }
    
    /* Experience mobile adjustments */
    .experience__container {
        padding: 0 0.5rem;
    }
    
    .experience__container::before {
        left: 1.5rem;
    }
    
    .experience__item {
        width: calc(100% - 2rem);
        margin-left: 2rem !important;
        padding: 1rem;
    }
    
    .experience__timeline-dot {
        left: -32px !important;
        width: 16px;
        height: 16px;
    }
    
    .experience__title {
        font-size: 1.1rem;
        line-height: 1.3;
    }
    
    .experience__badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
    
    .experience__achievement {
        font-size: 0.8rem;
        text-align: center;
    }
}

/*===== LOADING AND ANIMATION ENHANCEMENTS =====*/
.loading {
    overflow: hidden;
}

.loading * {
    animation-play-state: paused !important;
}

.loaded .home__title-name {
    opacity: 1;
}

/*===== FORM ENHANCEMENTS =====*/
.contact__input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.contact__button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.contact__button .bx-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/*===== ENHANCED HOVER EFFECTS =====*/
.nav__link:hover,
.footer__link:hover {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.portfolio__img:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/*===== TYPING ANIMATION =====*/
.home__title-name {
    opacity: 0;
    border-right: 2px solid var(--primary-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--primary-color); }
    51%, 100% { border-color: transparent; }
}

.loaded .home__title-name {
    border-right: none;
    animation: none;
}

/*===== SCROLL TO TOP BUTTON =====*/
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

.scroll-to-top:active {
    transform: translateY(-3px) scale(1.05);
}

/*===== CUSTOM SCROLLBAR =====*/
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    width: 10px;
}

/* Firefox */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--light-gray);
}

/*===== SELECTION STYLING =====*/
::selection {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
}

::-moz-selection {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
}

/*===== SMOOTH FOCUS OUTLINE =====*/
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/*===== PROFESSIONAL ANIMATIONS =====*/
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/*===== PRELOADER =====*/
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader__spinner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader__circle {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--white-color);
    border-radius: 50%;
    animation: preloaderSpin 1s linear infinite;
}

.preloader__text {
    position: absolute;
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--white-color);
    letter-spacing: 2px;
}

@keyframes preloaderSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/*===== PERFORMANCE METRICS =====*/
.performance {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.performance__container {
    max-width: 1200px;
    margin: 0 auto;
}

.performance__widget {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.performance__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.performance__header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.performance__header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-semi-bold);
    color: var(--text-primary);
}

.performance__metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.metric__card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.metric__card:hover {
    transform: translateY(-5px);
}

.metric__value {
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.metric__label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: var(--font-medium);
}

.metric__status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-left: 0.5rem;
}

.metric__status.good { background: var(--success-color); }
.metric__status.needs-improvement { background: var(--warning-color); }
.metric__status.poor { background: var(--error-color); }

/*===== BLOG INTEGRATION =====*/
.blog {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.blog__container {
    max-width: 1200px;
    margin: 0 auto;
}

.blog__posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog__post {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog__post:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.blog__post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog__post-content {
    padding: 1.5rem;
}

.blog__post-title {
    font-size: 1.2rem;
    font-weight: var(--font-semi-bold);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog__post-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog__post-date {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.blog__post-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-medium);
    font-size: 0.9rem;
    transition: gap 0.3s ease;
}

.blog__post-link:hover {
    gap: 0.8rem;
}

.blog__loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

/*===== QR CODE =====*/
.contact__qr {
    margin-top: 2rem;
    text-align: center;
}

.qr__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.qr__code {
    width: 150px;
    height: 150px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--white-color);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
    object-fit: contain;
    padding: 5px;
}

.qr__code:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.qr__link {
    display: inline-block;
    text-decoration: none;
}

.qr__link:hover .qr__code {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
}

.qr__text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

/*===== RESPONSIVE DESIGN FOR NEW FEATURES =====*/
@media screen and (max-width: 768px) {
    .theme-toggle {
        width: 45px;
        height: 45px;
        top: 0.5rem;
        right: 0.5rem;
    }
    
    .theme-toggle-icon {
        font-size: 1.3rem;
    }
    
    .performance__metrics {
        grid-template-columns: 1fr;
    }
    
    .blog__posts {
        grid-template-columns: 1fr;
    }
    
    .qr__code {
        width: 120px;
        height: 120px;
    }
}

/*===== ENHANCED PERFORMANCE METRICS =====*/
.performance__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric__card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.metric__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: left 0.5s ease;
}

.metric__card:hover::before {
    left: 100%;
}

.metric__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}

.metric__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.metric__value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    flex: 1;
    text-align: left;
}

.metric__label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric__status {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

.metric__status.good {
    background: #10b981;
    box-shadow: 0 0 12px #10b98150;
}

.metric__status.needs-improvement {
    background: #f59e0b;
    box-shadow: 0 0 12px #f59e0b50;
}

.metric__status.poor {
    background: #ef4444;
    box-shadow: 0 0 12px #ef444450;
}

.metric__status.unknown {
    background: #6b7280;
    box-shadow: 0 0 12px #6b728050;
}

.performance__info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1.5rem;
}

.performance__note {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.performance__note i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/*===== SCROLL PROGRESS INDICATOR =====*/
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.scroll-progress__bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    width: 0%;
    transition: width 0.1s ease-out;
    position: relative;
}

.scroll-progress__bar::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5));
    border-radius: 0 2px 2px 0;
}

/*===== ENHANCED SMOOTH ANIMATIONS =====*/
:root {
    --animation-duration: 0.6s;
    --transition-duration: 0.3s;
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced section animations */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--animation-duration) var(--ease-out-quart), 
                transform var(--animation-duration) var(--ease-out-quart);
}

section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for portfolio items */
.portfolio__img {
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    transition: all var(--animation-duration) var(--ease-out-quart);
}

.portfolio__img.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.portfolio__img:nth-child(1) { transition-delay: 0.1s; }
.portfolio__img:nth-child(2) { transition-delay: 0.2s; }
.portfolio__img:nth-child(3) { transition-delay: 0.3s; }
.portfolio__img:nth-child(4) { transition-delay: 0.4s; }
.portfolio__img:nth-child(5) { transition-delay: 0.5s; }
.portfolio__img:nth-child(6) { transition-delay: 0.6s; }

/* Enhanced skill animations */
.skills__data {
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--animation-duration) var(--ease-out-quart);
}

.skills__data.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.skills__data:nth-child(odd) {
    transform: translateX(-30px);
}

.skills__data:nth-child(even) {
    transform: translateX(30px);
}

/* Performance optimized hover effects */
.portfolio__img:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    will-change: transform;
}

.skills__data:hover {
    transform: translateY(-5px);
    will-change: transform;
}

/* Smooth button interactions */
.button {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-duration) var(--ease-in-out-quart);
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.button:hover::before {
    left: 100%;
}

/* Enhanced navigation animations */
.nav__link {
    position: relative;
    transition: all var(--transition-duration) var(--ease-in-out-quart);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-duration) var(--ease-in-out-quart);
    transform: translateX(-50%);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

/* Micro-interactions */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading states */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Responsive animation adjustments */
@media (max-width: 768px) {
    .performance__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .metric__card {
        padding: 1rem;
    }
    
    .metric__value {
        font-size: 1.4rem;
    }
    
    .metric__header {
        margin-bottom: 0.5rem;
    }
    
    section {
        transform: translateY(20px);
    }
    
    .portfolio__img {
        transform: translateY(30px);
    }
}

@media (max-width: 480px) {
    .performance__grid {
        grid-template-columns: 1fr;
    }
    
    .scroll-progress {
        height: 3px;
    }
    
    .metric__value {
        font-size: 1.2rem;
    }
    
    .performance__note {
        font-size: 0.8rem;
        text-align: center;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    :root {
        --animation-duration: 0.1s;
        --transition-duration: 0.1s;
    }
    
    * {
        animation-duration: 0.1s !important;
        transition-duration: 0.1s !important;
    }
    
    .scroll-progress__bar {
        transition: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .metric__status {
        border: 2px solid currentColor;
    }
    
    .scroll-progress {
        background: #000;
    }
    
    .scroll-progress__bar {
        background: #fff;
    }
}

/* Dark mode optimizations */
[data-theme="dark"] .nav__logo,
[data-theme="dark"] .nav__logo span {
    color: var(--text-primary);
}

[data-theme="dark"] .nav__logo:hover {
    color: var(--primary-color);
}

[data-theme="dark"] .loading-shimmer {
    background: linear-gradient(90deg, #2a2a2a 25%, #3a3a3a 50%, #2a2a2a 75%);
    background-size: 200% 100%;
}

[data-theme="dark"] .scroll-progress {
    background: rgba(0, 0, 0, 0.3);
}