:root {
    --paper: #f4f1ea;
    --ink: #171717;
    --muted: #6d6a63;
    --line: #d6d0c5;
    --accent: #7b5b37;
    --max: 1240px
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, Arial, sans-serif;
    line-height: 1.6
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 4vw;
    background: rgba(244, 241, 234, .9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(23, 23, 23, .08)
}

.brand {
    font-weight: 600;
    letter-spacing: -.02em
}

.site-nav {
    display: flex;
    gap: 26px;
    font-size: .92rem
}

.site-nav a {
    opacity: .72
}

.site-nav a:hover {
    opacity: 1
}

.menu-toggle {
    display: none;
    background: none;
    border: 0;
    font: inherit
}

.section-shell {
    width: min(var(--max), 92vw);
    margin: 0 auto
}

.hero {
    min-height: calc(100vh - 78px);
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 6vw;
    align-items: center;
    padding: 7vw 0
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .16em;
    font-size: .75rem;
    font-weight: 600;
    color: var(--accent);
    margin: 0 0 18px
}

h1,
h2,
h3 {
    font-family: "Libre Caslon Display", Georgia, serif;
    font-weight: 400;
    line-height: 1.04;
    margin: 0
}

h1 {
    font-size: clamp(4rem, 8vw, 8.5rem);
    letter-spacing: -.055em
}

h2 {
    font-size: clamp(2.4rem, 5vw, 5rem);
    letter-spacing: -.04em
}

h3 {
    font-size: clamp(1.8rem, 3vw, 3rem);
    letter-spacing: -.03em
}

.hero-line {
    font-family: "Libre Caslon Display", Georgia, serif;
    font-size: clamp(1.35rem, 2vw, 2.1rem);
    max-width: 620px;
    margin: 26px 0
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap
}

.button {
    border: 1px solid var(--ink);
    padding: 13px 18px;
    font-size: .9rem
}

.button.primary {
    background: var(--ink);
    color: white
}

.research-tags {
    color: var(--muted);
    font-size: .88rem;
    margin-top: 28px
}

.hero-image img {
    height: min(74vh, 820px);
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%)
}

.bio {
    padding: 10vw 0
}

.section-label {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--accent);
    margin-bottom: 28px
}

.bio-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 5vw;
    align-items: start;
}

.bio-copy {
    font-size: 1.06rem;
    color: #333
}

.bio-portrait{
  margin-top:3vw;
  max-width:360px;
  margin-left:auto;
  margin-right:4vw;
}

.bio-portrait img {
    filter: grayscale(100%)
}

.feature-panel {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    min-height: 720px
}

.feature-panel.dark {
    background: #111;
    color: white
}

.feature-image img {
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%)
}

.feature-copy {
    padding: 7vw;
    display: flex;
    flex-direction: column;
    justify-content: center
}

.feature-copy p:last-child {
    color: #c5c5c5;
    max-width: 500px
}

.landscape-section {
    position: relative
}

.landscape-section img {
    height: 78vh;
    object-fit: cover
}

.landscape-caption {
    position: absolute;
    left: 5vw;
    bottom: 4vw;
    background: rgba(244, 241, 234, .92);
    padding: 24px 28px;
    max-width: 430px
}

.landscape-caption span {
    font-family: "Libre Caslon Display", Georgia, serif;
    font-size: 2rem
}

.landscape-caption p {
    margin: 8px 0 0;
    color: var(--muted)
}

.research {
    padding: 10vw 0
}

.section-heading {
    margin-bottom: 5vw;
    max-width: 850px
}

.research-card {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 6vw;
    margin: 0 0 9vw
}

.research-card.reverse {
    grid-template-columns: .9fr 1.1fr
}

.research-card.reverse .research-media {
    order: 2
}

.research-media {
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden
}

.research-media.black {
    background: #050505
}

.research-media.light {
    background: #ece8df
}

.research-media img {
    height: 100%;
    object-fit: contain
}

.research-copy p {
    color: var(--muted);
    font-size: 1.02rem
}

.kicker {
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem !important;
    color: var(--accent) !important
}

.split-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr
}

.split-gallery figure {
    margin: 0;
    position: relative;
    overflow: hidden
}

.split-gallery img {
    height: 65vh;
    object-fit: cover;
    filter: grayscale(100%)
}

.split-gallery figcaption {
    position: absolute;
    left: 24px;
    bottom: 22px;
    background: rgba(17, 17, 17, .78);
    color: white;
    padding: 10px 14px;
    font-size: .85rem
}

.publications {
    padding: 10vw 0
}

.publication-list article {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 20px;
    padding: 30px 0;
    border-top: 1px solid var(--line)
}

.publication-list article:last-child {
    border-bottom: 1px solid var(--line)
}

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

.publication-list h3 {
    font-size: clamp(1.5rem, 2.3vw, 2.4rem)
}

.publication-list p {
    margin: 8px 0 0;
    color: var(--muted)
}

.profile-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    margin-top: 34px
}

.profile-links a {
    border-bottom: 1px solid var(--ink)
}

.contact {
    background: #171717;
    color: white;
    padding: 9vw 0
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8vw
}

.contact h2 {
    max-width: 650px
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 18px;
    justify-content: center
}

.contact-links a {
    font-size: 1.08rem;
    border-bottom: 1px solid rgba(255, 255, 255, .25);
    padding-bottom: 10px
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 4vw;
    font-size: .8rem;
    background: #0d0d0d;
    color: #aaa
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .8s ease, transform .8s ease
}

.reveal.visible {
    opacity: 1;
    transform: none
}

@media(max-width:850px) {
    .menu-toggle {
        display: block
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 69px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--paper);
        padding: 22px 4vw;
        border-bottom: 1px solid var(--line)
    }

    .site-nav.open {
        display: flex
    }

    .hero,
    .bio-grid,
    .feature-panel,
    .research-card,
    .research-card.reverse,
    .contact-grid {
        grid-template-columns: 1fr
    }

    .hero {
        padding-top: 60px
    }

    h1 {
        font-size: clamp(3.4rem, 16vw, 6rem)
    }

    .hero-image img {
        height: 65vh
    }

    .feature-copy {
        padding: 12vw 7vw
    }

    .feature-image img {
        height: 60vh
    }

    .research-card.reverse .research-media {
        order: 0
    }

    .research-media {
        min-height: 420px
    }

    .split-gallery {
        grid-template-columns: 1fr
    }

    .split-gallery img {
        height: 52vh
    }

    .publication-list article {
        grid-template-columns: 72px 1fr
    }

    .site-footer {
        flex-direction: column
    }
}