*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2e;
    --bg-tertiary: #141432;
    --bg-card: rgba(20, 20, 50, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #e8e8f0;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;

    --accent-primary: #6c5ce7;
    --accent-secondary: #a78bfa;
    --accent-tertiary: #c084fc;
    --accent-glow: rgba(108, 92, 231, 0.4);
    --accent-glow-soft: rgba(108, 92, 231, 0.15);

    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-accent: linear-gradient(135deg, #6c5ce7, #a78bfa);
    --gradient-card: linear-gradient(145deg, rgba(20, 20, 50, 0.8), rgba(10, 10, 26, 0.9));
    --gradient-text: linear-gradient(135deg, #a78bfa, #6c5ce7, #f093fb);

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', monospace;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;
    --fs-5xl: 3.5rem;
    --fs-6xl: 4.5rem;

    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;
    --fw-black: 900;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    --nav-height: 4.5rem;
    --container-max: 1200px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border-glass);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.logo-bracket {
    color: var(--accent-primary);
}

.logo-text {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    letter-spacing: 0.02em;
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(rgba(108, 92, 231, 0.05) 1px, transparent 1px),
            linear-gradient(90deg, rgba(108, 92, 231, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -100px;
    animation: floatGlow 8s ease-in-out infinite;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: #f093fb;
    bottom: -150px;
    left: -100px;
    animation: floatGlow 10s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-8);
}

.hero-greeting {
    font-size: var(--fs-lg);
    color: var(--accent-secondary);
    font-weight: var(--fw-medium);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.hero-name {
    font-size: var(--fs-6xl);
    font-weight: var(--fw-black);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: var(--space-4);
}

.hero-title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.hero-tagline {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-10);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-12);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-decoration: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

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

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

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-social {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
}

.hero-social a {
    color: var(--text-muted);
    font-size: var(--fs-xl);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.hero-social a:hover {
    color: var(--accent-secondary);
    transform: translateY(-3px);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-glass-hover);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--accent-secondary);
    border-radius: var(--radius-full);
    animation: scrollBounce 2s ease-in-out infinite;
}

.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: var(--fs-4xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-16);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    margin: var(--space-4) auto 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-frame {
    width: 280px;
    height: 280px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--border-glass);
    position: relative;
    z-index: 1;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-avatar {
    font-size: 8rem;
    color: var(--accent-primary);
    opacity: 0.6;
}

.about-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 280px;
    height: 280px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    opacity: 0.3;
    z-index: 0;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.about-text {
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--accent-primary);
    background: var(--bg-glass-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-size: var(--fs-4xl);
    font-weight: var(--fw-extrabold);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    font-weight: var(--fw-medium);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.skill-category-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.skill-category-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-4px);
}

.skill-category-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--accent-secondary);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-glass);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.skill-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
}

.skill-info i {
    color: var(--accent-primary);
    width: 20px;
    text-align: center;
}

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    width: 0;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: width 1.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 100%;
    background: #fff;
    border-radius: var(--radius-full);
    opacity: 0.5;
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
}

.filter-btn {
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-glass-hover);
}

.filter-btn.active {
    color: #fff;
    background: var(--gradient-accent);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--accent-glow-soft);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-8);
}

.project-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    font-size: 3.5rem;
    color: var(--accent-primary);
    opacity: 0.25;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 26, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-glass-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: var(--fs-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.project-info {
    padding: var(--space-6);
}

.project-category-badge {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-2);
}

.project-name {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.project-description {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-tag {
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--accent-secondary);
    background: var(--accent-glow-soft);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--space-12);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-tertiary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-12);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-12) + 8px);
    top: var(--space-1);
}

.timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 0 2px var(--accent-primary), 0 0 20px var(--accent-glow);
}

.timeline-content {
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--border-glass-hover);
    transform: translateX(8px);
}

.timeline-period {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--accent-secondary);
    margin-bottom: var(--space-2);
    display: block;
}

.timeline-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.timeline-company {
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.timeline-description {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-text {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-8);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--text-secondary);
}

.contact-item i {
    font-size: var(--fs-lg);
    color: var(--accent-primary);
    width: 24px;
    text-align: center;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-secondary);
}

.contact-social {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    color: #fff;
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-base);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow-soft);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group label {
    position: absolute;
    top: 0;
    left: var(--space-5);
    transform: translateY(-50%);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 0 var(--space-2);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    opacity: 1;
    color: var(--accent-secondary);
}

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    padding: var(--space-12) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.footer-logo {
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
}

.footer-text {
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-secondary);
}

/* Gallery & Achievements */
.gallery-achievements-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.subsection-title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-8);
    position: relative;
    padding-bottom: var(--space-3);
}

.subsection-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
}

.photo-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    border: 1px solid var(--border-glass);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.photo-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
    z-index: 2;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.photo-item:hover img {
    transform: scale(1.1);
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.achievement-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-decoration: none;
    transition: all var(--transition-base);
}

.achievement-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent-primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--fs-xl);
}

.achievement-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.achievement-title {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
}

.achievement-link-text {
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--accent-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Lightbox Styles */
.lightbox {
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

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

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-8);
    color: var(--text-primary);
    font-size: 3rem;
    font-weight: var(--fw-bold);
    cursor: pointer;
    transition: color var(--transition-fast), transform var(--transition-fast);
    z-index: 2001;
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent-primary);
    transform: scale(1.1);
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .gallery-achievements-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-16);
    }
}

@media (max-width: 768px) {
    :root {
        --fs-6xl: 3rem;
        --fs-5xl: 2.5rem;
        --fs-4xl: 2rem;
        --fs-3xl: 1.5rem;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-8);
        gap: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform var(--transition-base), opacity var(--transition-base);
        pointer-events: none;
        border-bottom: 1px solid var(--border-glass);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--space-10);
    }

    .timeline::before {
        left: 11px;
    }

    .timeline-marker {
        left: calc(-1 * var(--space-10) + 4px);
    }
}

@media (max-width: 480px) {
    :root {
        --fs-6xl: 2.25rem;
        --fs-4xl: 1.75rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-16) 0;
    }
}