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

:root {
    --color-primary: #e2e8f0;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-text: #cbd5e1;
    --color-text-light: #94a3b8;
    --color-bg: #0b0f19;
    --color-bg-alt: #111827;
    --color-border: #1e293b;
    --color-card: #131c2e;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
    --radius: 12px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ===== Container ===== */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.logo-w {
    color: var(--color-accent);
    font-size: 1.5rem;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-menu a {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.nav-menu a:hover {
    color: var(--color-primary);
    background: var(--color-bg-alt);
}

.lang-switcher {
    display: flex;
    gap: 4px;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--color-border);
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: 1.5px solid var(--color-border);
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-main);
    color: var(--color-text-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
}

.lang-flag {
    width: 18px;
    height: 12px;
    object-fit: cover;
    border-radius: 2px;
}

.lang-flag-emoji {
    font-size: 14px;
    line-height: 1;
}

.lang-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.lang-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #050811 0%, #0b1628 40%, #0a1a2e 70%, #050811 100%);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-greeting {
    font-size: 1.1rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-weight: 400;
}

.hero-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 40px;
}

.hero-flags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.hero-flag {
    width: 48px;
    height: 32px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-flag-clickable {
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.hero-flag-clickable:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.hero-flag-separator {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
}

/* Honeypot – unsichtbar für Menschen */
.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    pointer-events: none;
    tab-index: -1;
}

/* Form feedback messages */
.form-feedback {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-bottom: 16px;
    text-align: center;
}

.form-feedback-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-feedback-error {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-main);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== NEU Banner (Projects) ===== */
a.projects-new-banner,
a.projects-new-banner:link,
a.projects-new-banner:visited,
a.projects-new-banner:active {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    margin-bottom: 32px;
    background: rgba(255, 230, 0, 0.08);
    border: 2px solid #ffe600;
    border-radius: 50px;
    color: #ffe600 !important;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: bannerPulse 2.5s ease-in-out infinite;
}

a.projects-new-banner:hover {
    background: rgba(255, 230, 0, 0.15);
    border-color: #ffe600;
    transform: translateY(-2px);
    box-shadow: 0 4px 24px rgba(255, 230, 0, 0.3);
    color: #ffe600 !important;
}

.projects-new-badge {
    display: inline-block;
    padding: 4px 12px;
    background: #ffe600;
    color: #1a1a2e;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    border-radius: 20px;
    text-transform: uppercase;
}

.projects-new-arrow {
    opacity: 0.8;
    transition: transform 0.3s ease;
}

.projects-new-banner:hover .projects-new-arrow {
    transform: translateX(5px);
    opacity: 1;
}

@keyframes bannerPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(255, 230, 0, 0.1); }
    50% { box-shadow: 0 0 20px rgba(255, 230, 0, 0.3); }
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 56px;
    text-align: center;
    letter-spacing: -0.02em;
}

/* ===== About ===== */
.about-profile {
    text-align: center;
    margin-bottom: 48px;
}

.about-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 24px rgba(59, 130, 246, 0.2);
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.highlight-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: all var(--transition);
}

.highlight-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.highlight-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.highlight-icon {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 6px;
}

.highlight-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 4px;
    display: block;
}

.highlight-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-light);
}

.highlight-link {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: 8px;
    transition: opacity var(--transition);
}

.highlight-link:hover {
    opacity: 0.75;
}

/* ===== Expertise ===== */
.expertise-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.expertise-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    flex: 0 1 calc(33.333% - 16px);
    min-width: 260px;
    transition: all var(--transition);
}

.expertise-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.12);
    transform: translateY(-3px);
}

.expertise-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.expertise-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.expertise-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Testimonial ===== */
.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 40px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    position: relative;
}

.testimonial-quote {
    font-size: 4rem;
    line-height: 1;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: -12px;
}

.testimonial-card blockquote {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--color-primary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-source {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-light);
}

/* ===== Conferences ===== */
.conferences-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.conference-card {
    display: flex;
    gap: 24px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
}

.conference-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.conference-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
}

.conference-content {
    flex: 1;
}

.conference-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(59, 130, 246, 0.12);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.conference-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.conference-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}

.conference-meta {
    display: flex;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.conference-year {
    font-weight: 600;
    color: var(--color-accent);
}

.conference-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: opacity var(--transition);
}

.conference-link:hover {
    opacity: 0.8;
}

/* ===== Projects ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.project-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.project-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(59, 130, 246, 0.12);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.project-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.project-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.project-period {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-light);
}

.project-links a {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    border-bottom: 1.5px solid transparent;
    transition: border-color var(--transition);
}

.project-links a:hover {
    border-bottom-color: var(--color-accent);
}

/* ===== Academic ===== */
.academic-intro {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
    font-size: 1.05rem;
    color: var(--color-text-light);
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-year {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    padding-top: 3px;
}

.timeline-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.award-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 12px;
    padding: 2px 10px;
    margin-left: 8px;
    vertical-align: middle;
    white-space: nowrap;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    max-width: 700px;
    margin: 48px auto 0;
    padding-top: 16px;
    border-top: 2px solid var(--color-border);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-intro {
    font-size: 1.15rem;
    color: var(--color-text);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.contact-links {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    transition: all var(--transition);
}

.social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background: #060a13;
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
}

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

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #fff;
}

.footer-logo .logo-w,
.footer-logo .logo-dot {
    color: var(--color-accent);
}

.footer-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-link {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

.footer-link:hover {
    color: var(--color-accent);
}

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-bg);
    border-radius: var(--radius);
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.modal h3 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-top: 20px;
    margin-bottom: 8px;
}

.modal p {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 8px;
}

.modal a {
    color: var(--color-accent);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-primary);
}

.modal-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 20px 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .expertise-card {
        flex: 0 1 calc(50% - 12px);
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(11, 15, 25, 0.97);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.4s ease;
    }

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

    .nav-menu a {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 16px;
        border-top: 1px solid var(--color-border);
        justify-content: center;
    }

    .hero {
        min-height: 90vh;
        padding: 100px 24px 60px;
    }

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

    .section {
        padding: 72px 0;
    }

    .section-title {
        font-size: 1.7rem;
        margin-bottom: 40px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .expertise-card {
        flex: 0 1 100%;
    }

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

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

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

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

    .social-link {
        justify-content: center;
    }
}