:root {
    --primary-color: #f7f4ef;
    /* Warm ivory/cream */
    --secondary-bg: #ffffff;
    /* Pure white surfaces */
    --accent-color: #1e3461;
    /* Deep navy — from LEaPReg logo */
    --accent-gold: #d4a832;
    /* Amber gold — from LEaPReg logo */
    --text-dark: #1a1a2e;
    /* Near-black for headings */
    --text-light: #5f6474;
    /* Medium gray for body copy */
    --white: #ffffff;
    --border-color: rgba(0, 0, 0, 0.09);
    --gradient-hero: linear-gradient(180deg, rgba(10, 15, 35, 0.55) 0%, rgba(10, 15, 35, 0.88) 100%);
    --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.13);
    --transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--primary-color);
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: var(--text-dark);
}

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

/* NAVBAR */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 2rem 0;
    background: #e8ecf4;
    border-bottom: none;
    transition: var(--transition);
}

header.scrolled {
    background: var(--accent-color);
    backdrop-filter: blur(15px);
    padding: 1.2rem 0;
    border-bottom: none;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

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


.logo-img {
    height: 36px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.logo-img--white,
.logo-img--color {
    display: none;
}

header.scrolled .logo-img--white {
    display: block;
}

header.scrolled .logo-img--color {
    display: none;
}

.logo-text {
    font-size: 1.4rem;
    color: var(--white);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

header.scrolled .logo-text {
    color: var(--text-dark);
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 3rem;
}

nav a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 400;
    font-size: 0.9rem;
    transition: var(--transition);
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

header.scrolled nav a {
    color: rgba(255, 255, 255, 0.85);
}

header.scrolled nav a:hover {
    color: var(--white);
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white) !important;
    padding: 0.7rem 1.8rem;
    border-radius: 2px;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--text-dark);
    transform: translateY(-2px);
}

.hero-logo {
    width: 100%;
    max-width: 620px;
    height: auto;
    margin: 0 auto 3.5rem;
    display: block;
}

/* HERO */
.hero {
    height: 100vh;
    background-color: #e8ecf4;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--text-dark);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(247, 244, 239, 0.0) 0%, rgba(247, 244, 239, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 850px;
}

.section-badge {
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.75rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: block;
}

.badge {
    border: 1px solid rgba(163, 137, 93, 0.5);
    color: var(--accent-gold);
    padding: 0.4rem 1.2rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    display: inline-block;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -1px;
    color: var(--text-dark);
}

.subtitle {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 3.5rem;
    font-weight: 300;
    max-width: 780px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.btn-solid {
    background: var(--accent-gold);
    color: var(--white);
    padding: 1.2rem 3rem;
    border-radius: 2px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-solid:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: translateY(-5px);
}

.btn-outline {
    border: 1px solid rgba(30, 52, 97, 0.35);
    color: var(--accent-color);
    padding: 1.2rem 3rem;
    border-radius: 2px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

/* SECTION HEADERS */
section {
    padding: 120px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-header.center p {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* ABOUT */
.about {
    background-color: var(--primary-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 6rem;
    align-items: center;
}

.about-image-wrap {
    text-align: center;
}

.about-doc-img {
    width: 100%;
    max-width: 380px;
    box-shadow: 4px 6px 24px rgba(0,0,0,0.18);
    transform: rotate(1.5deg);
    border: 6px solid #fff;
    display: block;
    margin: 0 auto;
}

.about-doc-caption {
    margin-top: 1rem;
    font-size: 0.78rem;
    color: var(--text-light);
    opacity: 0.6;
    letter-spacing: 0.04em;
    font-style: italic;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 6rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 2rem;
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.9;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--secondary-bg);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    text-align: left;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.stat-card.highlight {
    background: var(--accent-color);
    border-top-color: var(--accent-gold);
}

.stat-card.highlight .stat-number,
.stat-card.highlight .stat-label {
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* WP SECTION */
.wp-section {
    background-color: var(--secondary-bg);
}

.wp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.wp-card {
    background: var(--primary-color);
    padding: 4rem 2.5rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
}

.wp-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow-hover);
}

.wp-icon {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    color: var(--accent-color);
    opacity: 0.08;
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    font-weight: 900;
}

.wp-card h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.wp-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

/* TEAM */
.team {
    background-color: var(--primary-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.member-card {
    background: var(--secondary-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.member-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px);
}

.member-info {
    padding: 2rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.member-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--accent-color);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
    margin-bottom: 1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.member-card:hover .member-avatar {
    background: var(--accent-gold);
}

.member-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.1rem;
    color: var(--text-dark);
}

.member-info .role {
    display: block;
    color: var(--accent-color);
    font-size: 0.72rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.member-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.member-links a {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--accent-gold);
    transition: var(--transition);
}

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

/* PUBLICATIONS */
.publications-section {
    background-color: var(--secondary-bg);
}

.pub-group {
    margin-bottom: 4rem;
}

.pub-group:last-child {
    margin-bottom: 0;
}

.pub-group-title {
    font-family: 'Outfit', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.pub-card {
    background: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--card-shadow);
}

.pub-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.pub-card--dataset {
    border-left: 3px solid var(--accent-gold);
}

.pub-meta {
    margin-bottom: 0.8rem;
}

.pub-type {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    background: rgba(29, 53, 87, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 2px;
}

.pub-card h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.pub-authors {
    font-size: 0.85rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    font-weight: 600;
}

.pub-abstract {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* RESOURCES */
.resources-section {
    background-color: var(--primary-color);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.resource-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}

.resource-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: rgba(29, 53, 87, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.resource-content h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.resource-subtitle {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
}

.resource-content p:not(.resource-subtitle) {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.resource-link {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

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

/* LINK TBD */
.link-tbd {
    text-decoration: none;
    color: var(--text-light) !important;
    font-weight: 400;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    font-style: italic;
    border-bottom: none !important;
    cursor: default;
}

/* FUNDERS */
.funders-section {
    background-color: var(--primary-color);
    padding: 80px 0;
    border-bottom: none;
    border-top: 1px solid var(--border-color);
}

.funders-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.funders-header .section-badge {
    color: var(--accent-gold);
}

.funders-header p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.8rem;
}

.funders-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2.5rem 5rem;
}

.funder-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    padding: 0;
    opacity: 0.75;
    transition: var(--transition);
    text-decoration: none;
}

.funder-item:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.funder-logo {
    max-height: 44px;
    max-width: 180px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* FOOTER URL */
.footer-url {
    font-size: 0.8rem;
    color: var(--accent-gold) !important;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

/* FOOTER — dark for contrast */
footer {
    background: #111827;
    padding: 80px 0 40px;
    border-top: none;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 52px;
    width: auto;
    display: block;
    margin: 0 auto 1rem;
}

.footer-logo .logo-text {
    color: #ffffff;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-contact-info {
    margin-bottom: 4rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-contact-info p {
    margin-bottom: 0.5rem;
}

.footer-contact-info strong {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact-info a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact-info a:hover {
    color: #ffffff;
}

.footer-bottom {
    width: 100%;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.25);
}

/* SCROLL INDICATOR */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(30, 52, 97, 0.3);
    border-radius: 20px;
    position: relative;
}

.mouse::after {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--white);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }

    100% {
        opacity: 0;
        top: 20px;
    }
}

/* RESPONSIVE */
@media (max-width: 968px) {
    .hero {
        overflow: hidden;
    }

    .hero-content {
        width: 100%;
        padding: 0 1.5rem;
        text-align: center;
    }

    .hero-logo {
        max-width: 85%;
        margin: 0 auto 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
        max-width: 100%;
        margin-bottom: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .btn-solid,
    .btn-outline {
        width: 100%;
        max-width: 320px;
        text-align: center;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .grid-2,
    .contact-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

    nav ul {
        display: none;
    }

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

    .about-header h2 {
        font-size: 2.2rem;
    }

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

    .funder-logos {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 1100px) {
    .about-image-wrap {
        display: none;
    }
}