:root {
    /* Modern 2026 Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --primary-glow: rgba(37, 99, 235, 0.3);
    
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    
    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    /* Borders & Effects */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows (2026 style - more pronounced) */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
}

/* Scroll Reveal Animation */
.reveal-text,
.reveal-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-text.active,
.reveal-card.active {
    opacity: 1;
    transform: translateY(0);
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    z-index: 101;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    z-index: 102;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a:hover::after {
    width: 100%;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        list-style: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        max-height: 300px;
    }
    
    .nav-links li {
        padding: 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links a {
        display: block;
        padding: 16px 24px;
    }
    
    .nav-links a::after {
        display: none;
    }
}

/* Hero Section with Gradient Background */
.hero {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
    animation: gradient-shift 15s ease infinite;
    z-index: 0;
}

@keyframes gradient-shift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, -5%) rotate(5deg); }
    66% { transform: translate(-5%, 5%) rotate(-5deg); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
    box-shadow: 0 0 0 0 var(--success-glow);
}

@keyframes pulse-dot {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 var(--success-glow);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 8px transparent;
    }
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 640px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 16px 0;
    }
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.cta-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Modern Button Styles with Ripple */
.btn, .btn-small {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-small {
    padding: 10px 18px;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 0 25px var(--primary-glow);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-github {
    background: #24292e;
    color: white;
    border: none;
}

.btn-github:hover {
    background: #1a1e22;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-demo {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

.btn-demo:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Hero Image with Glow */
.hero-image {
    position: relative;
}

.image-glow {
    position: relative;
    margin-bottom: 24px;
}

.image-glow::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--primary-glow), var(--success-glow));
    border-radius: 20px;
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
    filter: blur(20px);
}

.image-glow:hover::before {
    opacity: 1;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: block;
    margin: 0 auto;
    transition: transform var(--transition-base);
}

.image-glow:hover img {
    transform: scale(1.02);
}

.learning-card {
    padding: 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.learning-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.learning-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.learning-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.learning-tags span {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.learning-tags span:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
}

/* Readability: ensure long paragraphs are left-aligned and limited in width */
.project-card p,
.project-lead,
.project-note {
    text-align: left;
    max-width: 60ch;
    margin: 0 0 12px 0;
}

/* Keep small/intro text centered in section headers (already used) */
.section-header p {
    margin-left: auto;
    margin-right: auto;
}

/* Featured Project with Animated Border */
.featured-project {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    background: white;
    border-radius: 16px;
    padding: 48px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--success-color), var(--accent-color), var(--primary-color));
    background-size: 300% 300%;
    border-radius: 16px;
    opacity: 0;
    z-index: -1;
    animation: gradient-rotate 4s ease infinite;
    transition: opacity var(--transition-base);
}

.featured-card:hover .card-glow {
    opacity: 0.5;
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.tag-featured {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
    box-shadow: 0 4px 12px var(--success-glow);
}

.featured-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.project-lead {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.project-highlights {
    list-style: none;
    margin-bottom: 32px;
}

.project-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.project-highlights i {
    color: var(--success-color);
    margin-top: 2px;
    font-size: 1.125rem;
}

.project-buttons {
    display: flex;
    gap: 12px;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.card-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* Featured Content Layout */
.featured-content {
    position: relative;
    z-index: 1;
}

.featured-visual {
    position: relative;
    z-index: 1;
}

/* Code Window with Typing Animation */
.code-window {
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid #0f172a;
}

.window-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #475569;
}

.window-dots span:nth-child(1) { background: #ef4444; }
.window-dots span:nth-child(2) { background: #f59e0b; }
.window-dots span:nth-child(3) { background: #10b981; }

.window-title {
    font-size: 0.8125rem;
    color: #94a3b8;
    font-family: 'Courier New', monospace;
}

pre {
    margin: 0;
    padding: 24px;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Consolas, Monaco, monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    color: #e2e8f0;
}

/* Typing Animation */
.typing-line {
    display: inline-block;
    opacity: 0;
    animation: type-in 0.5s ease forwards;
}

.typing-line:nth-child(1) { animation-delay: 0.5s; }
.typing-line:nth-child(2) { animation-delay: 0.8s; }
.typing-line:nth-child(3) { animation-delay: 1.1s; }
.typing-line:nth-child(4) { animation-delay: 1.4s; }
.typing-line:nth-child(5) { animation-delay: 1.7s; }

@keyframes type-in {
    0% {
        opacity: 0;
        transform: translateX(-10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 968px) {
    .featured-card {
        grid-template-columns: 1fr;
        padding: 32px;
    }
}

@media (max-width: 640px) {
    .featured-card {
        padding: 20px;
        gap: 24px;
    }
    
    .featured-card h3 {
        font-size: 1.5rem;
    }
    
    .project-lead {
        font-size: 1rem;
    }
    
    .code-window {
        display: none;
    }
}

@media (max-width: 480px) {
    .featured-project {
        padding: 40px 0;
    }
    
    .featured-card {
        padding: 16px;
        gap: 16px;
    }
    
    .featured-card h3 {
        font-size: 1.25rem;
    }
}

/* Real-World Projects Section */
.realworld-projects-section {
    padding: 80px 0;
    background: white;
    border-top: 1px solid var(--border-color);
}

/* Projects Section */
.projects-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all var(--transition-base);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px) rotate(0.5deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.project-card.project-coming {
    border: 2px solid var(--accent-color);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.02), white);
}

.project-card.project-coming:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-xl), 0 0 20px var(--accent-color);
    transform: translateY(-8px);
}

.coming-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--accent-color), #0284c7);
    color: white;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.badge-coming {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3) !important;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 0;
    margin: 12px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.feature-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

.project-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 12px;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.project-badge {
    padding: 4px 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.project-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tech-tags span {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-tags span:hover {
    background: var(--primary-color);
    color: white;
}

.card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Education Section */
.education-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.edu-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all var(--transition-base);
}

.edu-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.edu-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.edu-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.edu-org {
    font-size: 0.9375rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 16px;
}

.edu-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.cert-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cert-link:hover {
    color: var(--primary-dark);
    gap: 10px;
}

.cert-links {
    display: flex;
    gap: 16px;
}

.cert-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cert-links a:hover {
    color: var(--primary-dark);
    gap: 10px;
}

/* Skills Section with Progress Bars */
.skills-section {
    padding: 80px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.skill-box {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all var(--transition-base);
}

.skill-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.skill-box h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    margin-bottom: 16px;
}

.skill-list li span {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.skill-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 100px;
    transition: width 1s ease;
    box-shadow: 0 0 10px var(--primary-glow);
}

.skill-bar.learning .skill-fill {
    background: linear-gradient(90deg, var(--accent-color), var(--primary-light));
    animation: pulse-bar 2s ease infinite;
}

@keyframes pulse-bar {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.skill-learning {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02), white);
}

.target-roles {
    list-style: none;
}

.target-roles li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.target-roles li:last-child {
    border-bottom: none;
}

.target-roles i {
    color: var(--success-color);
    font-size: 1.125rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    padding: 60px 0 32px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-content h3 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-content p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto 32px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    color: white;
    font-size: 1.5rem;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-6px) scale(1.1);
    box-shadow: 0 10px 30px var(--primary-glow);
    border-color: var(--primary-color);
}

.footer-info p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .featured-project,
    .projects-section,
    .education-section,
    .skills-section {
        padding: 60px 0;
    }
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-section,
    .education-section,
    .skills-section {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        gap: 16px;
    }
    
    .project-card {
        padding: 16px;
    }
    
    .project-card h3 {
        font-size: 1.125rem;
    }
    
    .project-card p {
        font-size: 0.875rem;
    }
    
    .education-grid {
        gap: 20px;
    }
    
    .edu-card {
        padding: 20px;
    }
    
    .edu-card h3 {
        font-size: 1.125rem;
    }
    
    .skills-grid {
        gap: 20px;
    }
    
    .skill-box {
        padding: 20px 16px;
    }
    
    .skill-box h3 {
        font-size: 1.125rem;
    }
    
    .footer-content h3 {
        font-size: 1.5rem;
    }
    
    .footer-content p {
        font-size: 1rem;
    }
    
    .social-links {
        gap: 12px;
    }
    
    .social-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
}