@import url('https://fonts.googleapis.com/css2?family=Cabin:wght@400;600;700&display=swap');

/* Root Variables - Log cabin, cozy palette + futuristic tech accents */
:root {
    --primary-dark: #2f1b0f;
    --primary-blue: #5a3a22;
    --accent-warm: #f0a04b;
    --accent-orange: #d36135;
    --accent-gold: #f7e5c6;
    --accent-purple: #356859;
    --text-dark: #2b1a0f;
    --text-light: #fdf7ef;
    --bg-light: #f6ede0;
    --bg-warm: #f2dfc3;
    --bg-darker: #e6c9a8;
    --shadow: rgba(18, 10, 6, 0.2);
    --border-radius: 22px;
    /* Futuristic accents */
    --neon-cyan: #00d9ff;
    --neon-purple: #9d4edd;
    --neon-pink: #ff006e;
    --glow-soft: rgba(0, 217, 255, 0.15);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cabin', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #3b2415 0%, #5a3a22 100%);
    padding: 1.2rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 217, 255, 0.08);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent-gold);
    letter-spacing: 2px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: var(--accent-gold);
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    animation: jump 1s ease-in-out infinite;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-gold), var(--neon-cyan));
    transition: width 0.3s ease;
}

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

/* Hamburger Menu Button */
.menu-button {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 5px;
    animation: jump 1s ease-in-out infinite;
}

.menu-button span {
    width: 25px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-button.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.menu-button.active span:nth-child(3) {
    transform: rotate(-45deg) translate(9px, -9px);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, transparent 40%, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero::after {
    display: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    padding: 3rem 2rem;
    opacity: 1;
    animation: heroFadeIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.33s;
    transition: opacity 0.1s ease-out;
    background: radial-gradient(ellipse 300px 100px at center, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 30%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0) 100%);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 30% 70% 20% 75% / 80% 25% 65% 22%;
    backdrop-filter: blur(10px);
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(40px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.hero h1 {
    font-size: 4rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-weight: 900;
    letter-spacing: -1px;
    text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    animation: heroTitleFadeIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.53s forwards;
}

@keyframes heroTitleFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
        letter-spacing: 4px;
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: -1px;
    }
}

.subtitle {
    font-size: 1.5rem;
    color: var(--accent-warm);
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: heroSubtitleFadeIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1s forwards;
}

@keyframes heroSubtitleFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    animation: heroSubtitleFadeIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s forwards;
}

.tagline a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
    background: linear-gradient(90deg, var(--neon-cyan), #00a8cc, var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.4);
    -webkit-text-stroke: 0.5px rgba(0, 217, 255, 0.3);
    animation: jump 1s ease-in-out infinite;
}

.tagline a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.tagline a:hover::after {
    transform: scaleX(1);
}

.tagline a:hover {
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #ff8c42 0%, #f39c12 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(255, 140, 66, 0.4), 0 0 20px rgba(0, 217, 255, 0.2);
    cursor: pointer;
    border: 1px solid rgba(0, 217, 255, 0.3);
    position: relative;
    overflow: hidden;
    animation: jump 1s ease-in-out infinite;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

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

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 140, 66, 0.5), 0 0 30px rgba(0, 217, 255, 0.3);
}

.hero-image {
    display: none;
}

.hero-img {
    display: none;
}

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

/* About Section */
.about {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #f7e5c6 0%, #f2dfc3 70%, #f6ede0 100%);
    position: relative;
    z-index: 5;
    margin-top: 100vh;
}

.about h2,
.research h2,
.life h2,
.contact h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
    background: linear-gradient(135deg, var(--text-dark), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.research h2,
.life h2 {
    color: var(--accent-warm);
    background: #fff7eb;
    border: 2px solid #d9b67e;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    font-weight: 700;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    width: fit-content;
    margin: 0 auto 3rem auto;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    position: relative;
    overflow: hidden;
}

.research h2::before,
.life h2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--accent-warm));
}

.publications h2 {
    font-size: 2.5rem;
    color: var(--accent-warm);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}
.about h2::after,
.research h2::after,
.publications h2::after,
.life h2::after,
.contact h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--accent-warm));
    border-radius: 3px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}


.about-card {
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
    background: transparent;
    border: none;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    display: block;
    animation: jump 1s ease-in-out infinite;
}

.about-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--accent-warm));
    transition: width 0.3s ease;
}

.about-card:hover::before {
    width: 100px;
}

.about-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(157, 78, 221, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: none;
    background: transparent;
}

.about-card:hover::before {
    width: 100px;
}

.about-card:hover::after {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(157, 78, 221, 0.25) 0%, transparent 70%);
}

.about-card .emoji {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.2));
}

.about-card:hover .emoji {
    transform: scale(1.1) rotateZ(5deg);
    filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.4));
}

.about-card h3 {
    font-size: 1.3rem;
    color: var(--accent-warm);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.about-card:hover h3 {
    color: var(--accent-orange);
    text-shadow: 0 0 10px rgba(211, 97, 53, 0.3);
}

.about-card p {
    color: var(--text-dark);
    line-height: 1.6;
    opacity: 0.85;
    transition: opacity 0.3s ease;
    font-weight: 500;
}

.about-card:hover p {
    opacity: 1;
}

/* Research Section */
.research {
    padding: 6rem 2rem;
    background: transparent;
    position: relative;
    z-index: 5;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.research-card {
    background: #fff7eb;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid #d9b67e;
    display: flex;
    flex-direction: column;
}

.research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--accent-warm));
}

.research-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.research-card:hover::after {
    opacity: 1;
}

.research-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.research-card h3 {
    font-size: 1.2rem;
    color: var(--accent-warm);
    margin-bottom: 1rem;
}

.research-card p {
    color: var(--text-dark);
    opacity: 0.8;
    line-height: 1.6;
    flex-grow: 1;
}

.research-card-media {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: auto;
    padding-top: 1rem;
}

/* Publications Section */
.publications {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #fef8f0 0%, #fff5ea 100%);
    position: relative;
    z-index: 5;
}

.cv-content {
    max-width: 800px;
    margin: 2rem auto;
}

.cv-section {
    margin-bottom: 3rem;
}

.cv-section h3 {
    font-size: 1.5rem;
    color: #a67556;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--accent-warm)) 1;
    display: inline-block;
    position: relative;
}

.cv-section h3::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff8c42, var(--neon-cyan));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cv-section h3:hover::after {
    opacity: 1;
}

.cv-item {
    background: linear-gradient(135deg, #ffd89b 0%, #fce4d6 100%);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 2px solid #d9b67e;
    border-left: 5px solid #ff8c42;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cv-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--accent-warm));
}

.cv-item:hover {
    transform: translateX(5px);
}

.cv-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.cv-item h4 {
    color: #6b3410;
    font-size: 1.1rem;
}

.year {
    color: #ff8c42;
    font-weight: 600;
    font-size: 0.9rem;
}

.cv-item p {
    color: var(--text-dark);
    opacity: 0.85;
    font-size: 0.95rem;
}

/* Publication Cards Link Styling */
.cv-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    animation: jump 1s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.cv-item-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
}

.cv-item-link:hover::after {
    left: 100%;
}

.cv-item-link:hover {
    transform: translateX(5px) translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 217, 255, 0.15);
}

.cv-item-link h4,
.cv-item-link p {
    color: #6b3410;
}

.cv-download {
    text-align: center;
    margin-top: 2rem;
}

.download-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #8b5a3c 0%, #a67556 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(139, 90, 60, 0.35), 0 0 15px rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.2);
    position: relative;
    animation: jump 1s ease-in-out infinite;
    overflow: hidden;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
    border-radius: var(--border-radius);
    transition: left 0.6s ease;
}

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

/* Life Section */
.life {
    padding: 6rem 2rem;
    background: transparent;
    position: relative;
    z-index: 5;
}

.life-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.life-card {
    background: #fff7eb;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    border: 2px solid #d9b67e;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.life-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--accent-warm));
}

.life-card:hover {
    transform: translateY(-8px) rotate(1.5deg);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
}

.life-emoji {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: bounce 0.6s ease-in-out infinite;
}

.life-card:nth-child(1) .life-emoji {
    animation-delay: 0s;
}

.life-card:nth-child(2) .life-emoji {
    animation: none;
}

.life-card:nth-child(3) .life-emoji {
    animation: none;
}

.life-card:nth-child(4) .life-emoji {
    animation: none;
}

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

@keyframes small-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

/* Jumping animation for clickable elements */
@keyframes jump {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.life-card h3 {
    font-size: 1.3rem;
    color: var(--accent-warm);
    margin-bottom: 0.5rem;
}

.life-card p {
    color: var(--text-dark);
    opacity: 0.85;
    line-height: 1.6;
    flex: 1;
}

.life-card-media {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 1rem;
}

.life-card-link {
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12), 0 0 25px rgba(0, 217, 255, 0.35), inset 0 0 20px rgba(0, 217, 255, 0.1);
    transition: all 0.3s ease;
    animation: jump 1s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.life-card-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
    transition: left 0.6s ease;
    border-radius: var(--border-radius);
    pointer-events: none;
}

.life-card-link:hover::after {
    left: 100%;
}

.life-card-link:hover {
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12), 0 0 40px rgba(0, 217, 255, 0.5), inset 0 0 30px rgba(0, 217, 255, 0.2);
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #3b2415 0%, #5a3a22 60%, #2f1b0f 100%);
    position: relative;
    z-index: 5;
    border-top: 2px solid rgba(0, 217, 255, 0.3);
}

.contact h2 {
    color: var(--accent-gold);
    background: linear-gradient(135deg, var(--accent-gold), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact h2::after {
    background: linear-gradient(90deg, var(--accent-warm), var(--neon-cyan));
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
}

.contact-content {
    max-width: 600px;
    margin: 2rem auto;
    text-align: center;
}

.contact-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent-warm) 0%, var(--accent-purple) 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25), 0 0 15px rgba(0, 217, 255, 0.15);
    border: 1px solid rgba(0, 217, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: jump 1s ease-in-out infinite;
}

.contact-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

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

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 25px rgba(0, 217, 255, 0.25);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2f1b0f 0%, #3b2415 60%, #5a3a22 100%);
    color: var(--accent-gold);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    border-top: 2px solid rgba(0, 217, 255, 0.2);
    box-shadow: inset 0 1px 0 rgba(0, 217, 255, 0.1);
}

/* Animated accent borders for sections */
.about, .research, .publications, .life {
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    position: relative;
}

.about::before, .research::before, .publications::before, .life::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.5;
}

/* Subtle tech accent lines */
section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 2%;
    width: 96%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.15;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-button {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: linear-gradient(135deg, #3b2415 0%, #5a3a22 100%);
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(0, 217, 255, 0.1);
        list-style: none;
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 0.5rem 0;
    }

    .nav-links a {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        min-height: auto;
    }

    .about h2,
    .research h2,
    .publications h2,
    .life h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .emoji-large {
        font-size: 5rem;
    }

    .about-grid,
    .research-grid,
    .life-grid {
        grid-template-columns: 1fr;
    }

    .cv-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-links {
        flex-direction: column;
    }

    .contact-button,
    .cta-button {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .nav-container {
        flex-direction: row;
        gap: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .tagline {
        font-size: 0.95rem;
    }
}