/* ==========================================================================
   DESIGN SYSTEM
   ========================================================================== */

:root {
    /* Colors */
    --c-accent: #30C7B5;
    --c-accent-rgb: 48, 199, 181;
    --c-accent-dark: #00AC97;
    --c-bg-dark: #0a0f1a;
    --c-bg-dark-2: #111827;
    --c-bg-dark-card: #1a2332;
    --c-bg-light: #f8fafb;
    --c-bg-white: #ffffff;
    --c-text-primary: #0f172a;
    --c-text-secondary: #475569;
    --c-text-muted: #94a3b8;
    --c-text-on-dark: #e2e8f0;
    --c-text-on-dark-muted: #94a3b8;
    --c-border: #e2e8f0;
    --c-border-dark: rgba(255,255,255,0.08);

    /* Typography */
    --f-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--f-body);
    color: var(--c-text-secondary);
    background-color: var(--c-bg-white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--f-body);
    color: var(--c-text-primary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--c-accent-dark);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--c-accent);
}

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

ul {
    list-style: none;
}

p {
    margin-bottom: 1rem;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes gridPulse {
    0%   { opacity: 0.03; }
    50%  { opacity: 0.06; }
    100% { opacity: 0.03; }
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--f-body);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn i {
    font-size: 0.85em;
    transition: transform var(--transition);
}

.btn:hover i {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--c-accent-dark);
    color: #fff;
    border-color: var(--c-accent-dark);
}

.btn-primary:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: #fff;
    box-shadow: 0 8px 30px rgba(var(--c-accent-rgb), 0.3);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--c-text-on-dark);
    border-color: rgba(255,255,255,0.2);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.4);
    color: #fff;
    transform: translateY(-2px);
}

.btn-nav {
    background: var(--c-accent-dark);
    color: #fff;
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 0.85rem;
}

.btn-nav:hover {
    background: var(--c-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(var(--c-accent-rgb), 0.3);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.navbar.scrolled .logo,
.navbar.scrolled .nav-links a {
    color: var(--c-text-primary);
}

.navbar.scrolled .logo .logo-bracket {
    color: var(--c-accent);
}

.navbar.scrolled .hamburger span {
    background: var(--c-text-primary);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--f-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.01em;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-accent);
    transition: width var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.nav-links a:not(.btn):hover {
    color: #fff;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
    position: relative;
    background: var(--c-bg-dark);
    color: var(--c-text-on-dark);
    padding: 160px 0 120px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(var(--c-accent-rgb), 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--c-accent-rgb), 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridPulse 8s ease-in-out infinite;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--c-accent-rgb), 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--c-accent-rgb), 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--f-mono);
    font-size: 0.8rem;
    color: var(--c-accent);
    background: rgba(var(--c-accent-rgb), 0.1);
    border: 1px solid rgba(var(--c-accent-rgb), 0.2);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 32px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--c-accent) 0%, #6ee7b7 50%, var(--c-accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-typing {
    font-family: var(--f-mono);
    font-size: 0.95rem;
    color: var(--c-text-on-dark-muted);
    margin-bottom: 24px;
    padding: 12px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--c-border-dark);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 48px;
}

.typing-prefix {
    color: var(--c-accent);
    font-weight: 700;
}

.typing-cursor {
    animation: blink 1s step-end infinite;
    color: var(--c-accent);
    font-weight: 100;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--c-text-on-dark-muted);
    max-width: 540px;
    margin-bottom: 28px;
    line-height: 1.8;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.tag {
    font-family: var(--f-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--c-accent);
    background: rgba(var(--c-accent-rgb), 0.08);
    border: 1px solid rgba(var(--c-accent-rgb), 0.15);
    padding: 6px 14px;
    border-radius: 6px;
    transition: all var(--transition);
}

.tag:hover {
    background: rgba(var(--c-accent-rgb), 0.15);
    border-color: rgba(var(--c-accent-rgb), 0.3);
    transform: translateY(-1px);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-social {
    display: flex;
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid var(--c-border-dark);
}

.hero-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-text-on-dark-muted);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    font-size: 1.1rem;
    transition: all var(--transition);
}

.hero-social a:hover {
    color: var(--c-accent);
    border-color: rgba(var(--c-accent-rgb), 0.4);
    background: rgba(var(--c-accent-rgb), 0.08);
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    flex: 0 0 420px;
    position: relative;
}

.hero-image-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.hero-image-frame img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.hero-image-decoration {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(var(--c-accent-rgb), 0.2);
    border-radius: 16px;
    pointer-events: none;
}

.hero-stats {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.stat-card {
    flex: 1;
    background: var(--c-bg-dark-card);
    border: 1px solid var(--c-border-dark);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: rgba(var(--c-accent-rgb), 0.3);
    transform: translateY(-3px);
}

.stat-number {
    display: block;
    font-family: var(--f-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--c-accent);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--c-text-on-dark-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-label {
    font-family: var(--f-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--c-accent-dark);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 12px;
}

.section-label-light {
    color: var(--c-accent);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--c-text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   PROJECTS
   ========================================================================== */

.projects {
    background: var(--c-bg-light);
}

.personal-projects {
    background: var(--c-bg-white);
}

/* Featured projects - large horizontal cards */
.featured-projects {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.featured-card {
    display: flex;
    background: var(--c-bg-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: all var(--transition);
}

.featured-card:hover {
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
    border-color: rgba(var(--c-accent-rgb), 0.2);
    transform: translateY(-4px);
}

.featured-card-img {
    flex: 0 0 280px;
    background: #f8fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    border-right: 1px solid var(--c-border);
}

.featured-card-img img {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
}

.featured-card-body {
    flex: 1;
    padding: 32px 36px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.card-badge {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--c-bg-light);
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border);
}

.card-badge.badge-active {
    background: rgba(var(--c-accent-rgb), 0.1);
    color: var(--c-accent-dark);
    border-color: rgba(var(--c-accent-rgb), 0.2);
}

.card-date {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    color: var(--c-text-muted);
}

.featured-card-body h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.featured-card-body p {
    color: var(--c-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.card-tags span {
    font-family: var(--f-mono);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--c-bg-light);
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border);
    transition: all var(--transition);
}

.card-tags span:hover {
    border-color: rgba(var(--c-accent-rgb), 0.3);
    color: var(--c-accent-dark);
}

/* Grid projects - compact cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    background: var(--c-bg-white);
    border: 1px solid var(--c-border);
    border-radius: 14px;
    padding: 24px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
    border-color: rgba(var(--c-accent-rgb), 0.2);
    transform: translateY(-4px);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(var(--c-accent-rgb), 0.08);
    color: var(--c-accent-dark);
    font-size: 1rem;
}

.project-img-wrapper {
    height: 80px;
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.project-img-wrapper img {
    max-height: 100%;
    max-width: 160px;
    object-fit: contain;
}

.project-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.project-card p {
    font-size: 0.88rem;
    color: var(--c-text-secondary);
    line-height: 1.65;
    flex: 1;
}

.project-card .card-tags {
    margin-top: auto;
    padding-top: 16px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    margin-top: auto;
    padding-top: 16px;
    color: var(--c-accent-dark);
}

.card-link i {
    font-size: 0.75em;
    transition: transform var(--transition);
}

.card-link:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   PUBLICATIONS
   ========================================================================== */

.publications {
    background: var(--c-bg-white);
}

.pub-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.pub-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.pub-header p {
    font-size: 1.05rem;
    color: var(--c-text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.pub-actions {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.pub-category {
    margin-bottom: 48px;
}

.pub-category h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--c-text-primary);
    border-bottom: 1px solid var(--c-border);
    padding-bottom: 12px;
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pub-row {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--c-bg-light);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
}

.pub-row:hover {
    border-color: rgba(var(--c-accent-rgb), 0.3);
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    transform: translateY(-2px);
}

.pub-row-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--c-accent-rgb), 0.1);
    color: var(--c-accent-dark);
    border-radius: 10px;
    font-size: 1.2rem;
}

.pub-row-content {
    flex: 1;
    min-width: 0;
}

.pub-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--c-text-primary);
    margin-bottom: 6px;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pub-row:hover .pub-title {
    color: var(--c-accent-dark);
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--c-text-secondary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pub-row-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.pub-venue {
    font-family: var(--f-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--c-accent);
    padding: 4px 10px;
    background: rgba(var(--c-accent-rgb), 0.08);
    border-radius: 6px;
}

.pub-year {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--c-text-tertiary);
    font-weight: 500;
}

.external-icon {
    font-size: 0.85rem;
    color: var(--c-text-tertiary);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition);
}

.pub-row:hover .external-icon {
    opacity: 1;
    transform: translateX(0);
    color: var(--c-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--c-bg-dark);
    color: var(--c-text-on-dark);
    padding: 100px 0 40px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--c-border-dark);
}

.footer-cta h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.footer-cta p {
    color: var(--c-text-on-dark-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.footer-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-col h4 {
    font-family: var(--f-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--c-text-on-dark-muted);
    margin-bottom: 14px;
}

.footer-col li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.93rem;
    color: var(--c-text-on-dark);
}

.footer-col li i {
    color: var(--c-accent);
    width: 18px;
    font-size: 0.85rem;
}

.footer-col a {
    color: var(--c-text-on-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--c-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    font-size: 0.85rem;
    color: var(--c-text-on-dark-muted);
}

.footer-tagline {
    font-family: var(--f-mono);
    font-size: 0.8rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-container {
        flex-direction: column;
        gap: 60px;
        text-align: center;
    }

    .hero-visual {
        flex: none;
        width: 100%;
        max-width: 400px;
    }

    .hero-tags,
    .hero-actions,
    .hero-social {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-typing {
        display: inline-flex;
    }

    .featured-card {
        flex-direction: column;
    }

    .featured-card-img {
        flex: none;
        border-right: none;
        border-bottom: 1px solid var(--c-border);
        padding: 30px;
        min-height: 140px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 15, 26, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
        animation: fadeIn 0.3s ease;
    }

    .nav-links.active a {
        color: #fff;
        font-size: 1.4rem;
    }

    .nav-links.active .btn-nav {
        font-size: 1rem;
        margin-top: 12px;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
        min-height: auto;
    }

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


    .pub-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 20px;
    }
    
    .pub-row-icon {
        display: none;
    }
    
    .pub-title, .pub-authors {
        white-space: normal;
    }
    
    .pub-row-meta {
        width: 100%;
        justify-content: space-between;
    }
    
    .external-icon {
        opacity: 1;
        transform: none;
    }

    .hero-stats {
        flex-wrap: wrap;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .footer-details {
        gap: 28px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-badge {
        font-size: 0.72rem;
    }

    .hero-typing {
        font-size: 0.82rem;
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .featured-card-body {
        padding: 24px;
    }

    .hero-stats {
        gap: 8px;
    }

    .stat-card {
        padding: 12px;
    }
}