:root {
    color-scheme: light;
    --bg: #f4efe7;
    --bg-accent: #efe6d6;
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: #ffffff;
    --text: #171412;
    --muted: #5f554b;
    --line: rgba(23, 20, 18, 0.12);
    --accent: #8a4f2d;
    --accent-strong: #2f5d50;
    --shadow: 0 24px 80px rgba(47, 29, 12, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(138, 79, 45, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(47, 93, 80, 0.14), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, #f8f5ef 42%, #fbfaf7 100%);
}

.site-nav,
.hero-grid,
.content-grid,
.team-grid,
.paper-list,
.feature-grid {
    display: grid;
    gap: 16px;
}

.site-nav {
    position: relative;
    z-index: 1;
    grid-template-columns: auto 1fr;
    align-items: center;
    justify-content: space-between;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.page-hero {
    padding-bottom: 28px;
}

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

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.hero-home {
    margin-bottom: 8px;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.48);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.hero::before {
    top: -120px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(138, 79, 45, 0.22), transparent 70%);
}

.hero::after {
    bottom: -120px;
    left: -100px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(47, 93, 80, 0.16), transparent 70%);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), #c48a60);
    color: #fff9f3;
    font: 700 1.25rem/1 "Fraunces", Georgia, serif;
    box-shadow: 0 10px 30px rgba(138, 79, 45, 0.24);
}

.brand-kicker,
.eyebrow,
.stat-label,
.role {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    color: var(--muted);
}

.brand-name {
    margin: 2px 0 0;
    font: 700 1.1rem/1.1 "Fraunces", Georgia, serif;
}

.nav-pill {
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
}

.nav-pill.current {
    background: rgba(138, 79, 45, 0.12);
    border-color: rgba(138, 79, 45, 0.3);
}

.hero-grid {
    position: relative;
    z-index: 1;
    grid-template-columns: 1.7fr 1fr;
    align-items: end;
    padding-top: 48px;
}

.hero-grid-home {
    grid-template-columns: 1.9fr 1fr;
}

.hero-grid-slim {
    grid-template-columns: 1.5fr 1fr;
    padding-top: 32px;
}

.hero-copy h1,
.section-heading h2,
.callout h2 {
    margin: 10px 0 0;
    font-family: "Fraunces", Georgia, serif;
    line-height: 1;
    letter-spacing: -0.03em;
}

.hero-copy h1 {
    max-width: 11ch;
    font-size: clamp(3rem, 7vw, 5.8rem);
}

.lede,
.card p,
.person-card p,
.paper-card p,
.callout p,
.stat-card strong {
    color: var(--muted);
    line-height: 1.65;
    font-size: 1rem;
}

.lede {
    max-width: 62ch;
    margin: 18px 0 0;
    font-size: 1.06rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.nav-pill:hover {
    transform: translateY(-1px);
}

.button-primary {
    color: #fff8f2;
    background: linear-gradient(135deg, var(--accent), #b86b3d);
    box-shadow: 0 14px 30px rgba(138, 79, 45, 0.24);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.76);
}

.hero-panel {
    display: grid;
    gap: 14px;
}

.stat-card,
.card,
.person-card,
.paper-card,
.callout {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: 0 18px 40px rgba(33, 23, 14, 0.06);
}

.stat-card {
    padding: 18px 18px 20px;
}

.stat-card strong {
    display: block;
    margin-top: 6px;
    font-size: 1.02rem;
    color: var(--text);
}

.section {
    padding: 30px 8px 0;
}

.section-heading {
    margin-bottom: 18px;
}

.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.content-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.team-grid {
    /* grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); */
}

.paper-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.person-card,
.paper-card,
.callout {
    padding: 20px;
}

.card h3,
.person-card h3,
.paper-card h3 {
    margin: 0 0 10px;
    font-size: 1.15rem;
}

.card p,
.person-card p,
.paper-card p {
    margin-bottom: 0;
}

.card-link {
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.card-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 48px rgba(33, 23, 14, 0.1);
}

.feature-card {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.64);
    box-shadow: 0 18px 40px rgba(33, 23, 14, 0.06);
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.feature-card p {
    margin-bottom: 0;
}

.portrait-card {
    display: grid;
    grid-template-columns: 108px 1fr;
    gap: 16px;
    align-items: center;
}

.portrait {
    width: 108px;
    height: 108px;
    object-fit: cover;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
}

.paper-card {
    display: grid;
    gap: 14px;
}

.paper-link {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(138, 79, 45, 0.24);
    background: rgba(138, 79, 45, 0.08);
    color: var(--text);
}

.person-card.accent {
    background: linear-gradient(180deg, rgba(47, 93, 80, 0.11), rgba(255, 255, 255, 0.78));
}

.callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: linear-gradient(135deg, rgba(138, 79, 45, 0.12), rgba(47, 93, 80, 0.08));
}

.callout h2 {
    max-width: 16ch;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 980px) {

    .hero-grid,
    .content-grid,
    .team-grid,
    .paper-list,
    .feature-grid,
    .callout {
        grid-template-columns: 1fr;
    }

    .callout {
        display: grid;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(100% - 20px, 1120px);
        padding-top: 10px;
    }

    .hero {
        padding: 18px;
        border-radius: 24px;
    }

    .site-nav {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .nav-links {
        justify-content: flex-start;
    }

    .hero-grid {
        padding-top: 32px;
    }

    .hero-copy h1 {
        max-width: none;
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .button {
        width: 100%;
    }

    .portrait-card {
        grid-template-columns: 1fr;
    }

    .portrait {
        width: 100%;
        height: 240px;
    }
}