/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
   :root {
    /* Colors */
    --bg-dark: #070b14;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    
    --accent-cyan: #00e5ff;
    --accent-purple: #8b5cf6;
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    
    --border-color: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.text-gray { color: var(--text-secondary); }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.text-white { color: var(--text-primary); }
.font-bold { font-weight: 700; }
.max-w-lg { max-width: 32rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-10 { padding: 2.5rem; }

.flex-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   Background Effects (Glows & Blurs)
   ========================================================================== */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

.bg-glow-cyan {
    background: var(--accent-cyan);
    top: -10%;
    right: -10%;
    animation: float 20s ease-in-out infinite alternate;
}

.bg-glow-purple {
    background: var(--accent-purple);
    bottom: -10%;
    left: -10%;
    animation: float 25s ease-in-out infinite alternate-reverse;
}

.glow-pointer {
    position: fixed;
    top: 0;
    left: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10;
    transition: opacity 0.3s;
    opacity: 0;
}

/* ==========================================================================
   Typography & Accents
   ========================================================================== */
.gradient-text {
    background: linear-gradient(to right, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-alt {
    background: linear-gradient(to right, var(--accent-purple), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   Components: Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: var(--accent-cyan);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: translateY(-2px);
}

/* ==========================================================================
   Components: Cards (Glassmorphism)
   ========================================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.bento-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.bento-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

/* ==========================================================================
   Layout: Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(7, 11, 20, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-logo span {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-btn {
    font-size: 0.9rem;
    font-weight: 500;
    background: var(--text-primary);
    color: var(--bg-dark);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--accent-cyan);
}

.mobile-menu-btn {
    display: none;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* Mobile Nav Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
}

.close-menu-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: var(--text-primary);
    font-size: 2rem;
}

/* ==========================================================================
   Layout: Hero Section
   ========================================================================== */
section {
    padding: 6rem 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

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

.avatar-container {
    position: relative;
    width: 320px;
    height: 400px;
    border-radius: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    filter: grayscale(20%) contrast(1.1);
    transition: filter var(--transition-base);
}

.avatar-container:hover .avatar-img {
    filter: grayscale(0%) contrast(1);
}

.avatar-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 30px;
    filter: blur(40px);
    opacity: 0.2;
    z-index: -1;
}

.floating-badge {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.top-right {
    top: -20px;
    right: -20px;
    color: var(--accent-cyan);
}

.bottom-left {
    bottom: -20px;
    left: -20px;
    color: var(--accent-purple);
    animation-delay: 1s;
}

/* ==========================================================================
   Layout: Section Headers
   ========================================================================== */
.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==========================================================================
   Layout: About Section
   ========================================================================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.row-span-2 { grid-row: span 2; }

.bento-icon {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.bento-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.bento-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.stat-card {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 3rem !important;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem !important;
}

.stat-label {
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.8rem !important;
}

/* ==========================================================================
   Layout: Education Section
   ========================================================================== */
.education-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.education-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.education-date {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.85rem;
}

.education-gpa {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-purple);
}

.education-uni {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.education-degree {
    font-size: 1.1rem;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Layout: Tech Stack
   ========================================================================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.tech-category h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* ==========================================================================
   Layout: Projects Bento Grid
   ========================================================================== */
.projects-bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    grid-auto-rows: 350px;
    gap: 1.5rem;
}

.project-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    group: hover;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Special sizing for featured projects in JS */
.project-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.2);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 11, 20, 0.95) 0%, rgba(7, 11, 20, 0.4) 50%, transparent 100%);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.project-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-card.featured .project-title {
    font-size: 2.5rem;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--text-primary);
    color: var(--bg-dark);
}

/* ==========================================================================
   Layout: Contact Section
   ========================================================================== */
.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all var(--transition-fast);
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(8px);
}

.social-icon {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

.contact-visual {
    position: relative;
    height: 100%;
    min-height: 300px;
}

.abstract-shape {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite;
    opacity: 0.2;
    filter: blur(20px);
}

/* ==========================================================================
   Layout: Footer
   ========================================================================== */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

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

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

.scroll-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
}

.scroll-top:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Lightbox (Image Gallery)
   ========================================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(7, 11, 20, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: white;
    font-size: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background var(--transition-fast);
    z-index: 1001;
}

.lightbox-close:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background var(--transition-fast);
    z-index: 1001;
}

.lightbox-nav:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

.lightbox-nav.prev {
    left: -4rem;
}

.lightbox-nav.next {
    right: -4rem;
}

.lightbox-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
}

@media (max-width: 768px) {
    .lightbox-nav.prev { left: 0rem; }
    .lightbox-nav.next { right: 0rem; }
    .lightbox-nav { width: 40px; height: 40px; font-size: 2rem; }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, -30px); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes morph {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

/* Scroll Reveal */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .col-span-2 { grid-column: span 1; }
    .col-span-4 { grid-column: span 2; }
    .bento-card:first-child { grid-column: span 2; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-bento-grid { grid-template-columns: repeat(2, 1fr); }
    .project-card.featured { grid-column: span 2; }
    .contact-card { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }
    .contact-visual { display: none; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
    .hero-title { font-size: 2.8rem; }
    .hero-subtitle { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    .avatar-container { width: 280px; height: 350px; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-card:first-child { grid-column: span 1; }
    .col-span-4 { grid-column: span 1; }
    .tech-grid { grid-template-columns: 1fr; }
    .projects-bento-grid { grid-template-columns: 1fr; grid-auto-rows: 300px; }
    .project-card.featured { grid-column: span 1; grid-row: span 1; }
    section { padding: 4rem 0; }
}