/* ============================================
   Duke Traumatic Stress and Health Research Lab
   Custom Styles — Burgundy & Blush Palette
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-burgundy: #7B1FA2;
    --color-burgundy-dark: #5C1480;
    --color-burgundy-deep: #3D0F54;
    --color-blush: #FCE4EC;
    --color-blush-light: #FFF0F5;
    --color-blush-mid: #F8D0DC;
    --color-cream: #FDF6F8;
    --color-white: #FFFFFF;
    --color-charcoal: #1A1A2E;
    --color-dark: #2D2D3F;
    --color-mid: #4A4A5A;
    --color-light: #8A8A9A;
    --color-border: #F0D0DA;
    --color-bg: #FDF8FA;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --shadow-sm: 0 2px 8px rgba(123, 31, 162, 0.06);
    --shadow-md: 0 8px 30px rgba(123, 31, 162, 0.1);
    --shadow-lg: 0 20px 60px rgba(123, 31, 162, 0.12);
    
    --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;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

address {
    font-style: normal;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-charcoal);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 248, 250, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-burgundy);
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: var(--color-burgundy);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    transition: var(--transition);
}

.nav-logo:hover .logo-mark {
    transform: rotate(45deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-mid);
    letter-spacing: 0.02em;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-burgundy);
    transition: var(--transition);
}

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

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

.nav-cta {
    background: var(--color-burgundy);
    color: var(--color-white) !important;
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--color-burgundy-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(123, 31, 162, 0.3);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-charcoal);
    transition: var(--transition);
    transform-origin: center;
}

.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 Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-blush-light) 50%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(123, 31, 162, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: var(--space-lg);
}

.eyebrow-line {
    width: 40px;
    height: 2px;
    background: var(--color-burgundy);
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: var(--space-md);
    color: var(--color-charcoal);
}

.headline-accent {
    color: var(--color-burgundy);
    font-style: italic;
    font-weight: 500;
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--color-mid);
    line-height: 1.75;
    margin-bottom: var(--space-lg);
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-burgundy);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(123, 31, 162, 0.25);
}

.btn-primary:hover {
    background: var(--color-burgundy-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(123, 31, 162, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--color-burgundy);
    border: 2px solid var(--color-burgundy);
}

.btn-ghost:hover {
    background: var(--color-burgundy);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-burgundy);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-light);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.visual-frame:hover img {
    transform: scale(1.03);
}

.visual-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-burgundy);
    border-radius: var(--radius-md);
    z-index: -1;
    opacity: 0.15;
}

.visual-caption {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-light);
    letter-spacing: 0.04em;
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-light);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-burgundy), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* --- Section Shared --- */
.section-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: var(--space-sm);
}

.eyebrow-accent {
    width: 32px;
    height: 2px;
    background: var(--color-burgundy);
    flex-shrink: 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.title-accent {
    color: var(--color-burgundy);
    font-style: italic;
    font-weight: 500;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-mid);
    max-width: 600px;
    line-height: 1.8;
}

/* --- Research Section --- */
.research {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header .section-desc {
    margin: 0 auto;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.research-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-burgundy);
    transform: scaleX(0);
    transition: var(--transition);
}

.research-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-burgundy);
}

.research-card:hover::before {
    transform: scaleX(1);
}

.research-card.featured {
    background: var(--color-burgundy);
    border-color: var(--color-burgundy);
    color: var(--color-white);
}

.research-card.featured::before {
    background: var(--color-blush);
}

.research-card.featured .card-number,
.research-card.featured .card-label,
.research-card.featured h3,
.research-card.featured p {
    color: var(--color-white);
}

.research-card.featured .card-link {
    color: var(--color-blush);
}

.research-card.featured .card-link:hover {
    color: var(--color-white);
}

.card-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-blush-mid);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.card-icon {
    width: 52px;
    height: 52px;
    background: var(--color-blush);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-burgundy);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

.research-card.featured .card-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.research-card:hover .card-icon {
    background: var(--color-burgundy);
    color: var(--color-white);
}

.research-card.featured:hover .card-icon {
    background: rgba(255, 255, 255, 0.25);
}

.research-card h3 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    margin-bottom: var(--space-sm);
    color: var(--color-charcoal);
}

.research-card p {
    font-size: 0.9375rem;
    color: var(--color-mid);
    line-height: 1.75;
    margin-bottom: var(--space-md);
}

.card-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-burgundy);
    transition: var(--transition);
}

.card-link:hover {
    letter-spacing: 0.04em;
}

/* --- Focus Section --- */
.focus {
    padding: var(--space-3xl) 0;
    background: var(--color-bg);
}

.focus-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.focus-content .section-desc {
    margin-bottom: 0;
}

.focus-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.focus-image:hover img {
    transform: scale(1.03);
}

/* Pillars */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.pillar {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: var(--transition);
}

.pillar:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.pillar-num {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-blush-mid);
    line-height: 1;
}

.pillar h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-charcoal);
}

.pillar p {
    font-size: 0.9375rem;
    color: var(--color-mid);
    line-height: 1.75;
    margin-bottom: var(--space-md);
}

.pillar-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pillar-list li {
    font-size: 0.875rem;
    color: var(--color-dark);
    padding-left: 16px;
    position: relative;
}

.pillar-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-burgundy);
    border-radius: 50%;
}

/* --- About Section --- */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-image-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(26, 26, 46, 0.85), transparent);
    color: var(--color-white);
}

.overlay-stat {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
}

.overlay-label {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
}

.about-content .section-desc {
    margin-bottom: var(--space-lg);
}

.about-text {
    font-size: 1rem;
    color: var(--color-mid);
    line-height: 1.85;
    margin-bottom: var(--space-md);
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark);
}

.value-item svg {
    color: var(--color-burgundy);
    flex-shrink: 0;
}

/* --- Location Section --- */
.location {
    padding: var(--space-3xl) 0;
    background: var(--color-bg);
}

.location-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: stretch;
}

.location-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.location-info .section-desc {
    margin-bottom: var(--space-lg);
}

.location-address {
    font-size: 1.0625rem;
    color: var(--color-dark);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-burgundy);
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-mid);
}

.detail-item svg {
    color: var(--color-burgundy);
    flex-shrink: 0;
}

.detail-item a {
    color: var(--color-burgundy);
    font-weight: 500;
    transition: var(--transition);
}

.detail-item a:hover {
    color: var(--color-burgundy-dark);
    text-decoration: underline;
}

.location-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 400px;
}

/* --- Contact Section --- */
.contact {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-burgundy-deep) 0%, var(--color-burgundy) 50%, var(--color-burgundy-dark) 100%);
    color: var(--color-white);
}

.contact .section-eyebrow {
    color: var(--color-blush);
}

.contact .eyebrow-accent {
    background: var(--color-blush);
}

.contact .section-title {
    color: var(--color-white);
}

.contact .title-accent {
    color: var(--color-blush);
}

.contact .section-desc {
    color: rgba(255, 255, 255, 0.75);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-desc {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    color: rgba(255, 255, 255, 0.8);
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-white);
}

.contact-value a {
    color: var(--color-white);
    transition: var(--transition);
}

.contact-value a:hover {
    color: var(--color-blush);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-mid);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-dark);
    transition: var(--transition);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-burgundy);
    box-shadow: 0 0 0 3px rgba(123, 31, 162, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-burgundy);
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--color-burgundy);
}

.form-success span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.6;
}

/* --- Footer --- */
.footer {
    background: var(--color-charcoal);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-sm);
}

.footer-logo-mark {
    width: 28px;
    height: 28px;
    background: var(--color-burgundy);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.footer-logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer-nav-label,
.footer-contact .footer-nav-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-sm);
}

.footer-nav ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a,
.footer-contact a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-nav a:hover,
.footer-contact a:hover {
    color: var(--color-blush);
}

.footer-contact span {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-affiliation {
    font-size: 0.8125rem;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-visual {
        max-width: 500px;
    }

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

    .research-card:last-child {
        grid-column: span 2;
    }

    .focus-layout {
        grid-template-columns: 1fr;
    }

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

    .pillar:last-child {
        grid-column: span 2;
    }

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

    .about-image-wrap {
        max-width: 500px;
    }

    .location-layout {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(253, 248, 250, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-sm);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }

    .nav-links.open {
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px var(--space-md) var(--space-2xl);
    }

    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }

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

    .hero-scroll {
        display: none;
    }

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

    .research-card:last-child {
        grid-column: span 1;
    }

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

    .pillar:last-child {
        grid-column: span 1;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }
}