:root {
  --ink: #142421;
  --forest: #18332f;
  --cream: #f4f0e8;
  --paper: #fbfaf6;
  --sage: #a9b9a9;
  --gold: #c59a58;
  --line: rgba(20, 36, 33, 0.17);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.site-header {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center;
  justify-content: space-between; min-height: 76px; padding: 0 6vw;
  background: rgba(251,250,246,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px);
}
.brand { font-family: "Playfair Display", serif; font-size: 1.7rem; font-weight: 700; text-decoration: none; }
.brand span { color: var(--gold); }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { font-size: .9rem; font-weight: 600; text-decoration: none; }
.nav-linkedin { padding: .7rem 1rem; border: 1px solid var(--ink); }
.menu-button { display: none; border: 0; background: none; font-weight: 600; }

.hero { min-height: calc(100vh - 76px); display: grid; grid-template-columns: 1.08fr .92fr; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 8vw 6vw; background: var(--cream); }
.eyebrow { margin: 0 0 1.4rem; color: #65736d; font-size: .75rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3 { font-family: "Playfair Display", serif; }
h1 { margin: 0; font-size: clamp(4rem, 8vw, 8rem); line-height: .82; letter-spacing: -.055em; }
h1 em { color: var(--gold); font-weight: 600; }
.hero-lead { max-width: 620px; margin: 2.5rem 0; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.button { display: inline-flex; justify-content: center; padding: .95rem 1.35rem; border: 1px solid var(--forest); text-decoration: none; cursor: pointer; transition: .2s ease; }
.button-primary { color: white; background: var(--forest); }
.button-primary:hover { background: #295148; transform: translateY(-2px); }
.button-secondary { background: transparent; }
.hero-visual { position: relative; display: grid; place-items: center; min-height: 560px; overflow: hidden; color: white; background: var(--forest); }
.hero-visual::before { content: ""; position: absolute; width: 70%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.monogram { z-index: 1; font: 600 clamp(7rem, 17vw, 14rem)/1 "Playfair Display", serif; color: var(--sage); letter-spacing: -.1em; }
.hero-note { position: absolute; right: 6%; bottom: 7%; left: 6%; display: flex; justify-content: space-between; gap: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.3); font-size: .8rem; }
.hero-note span { color: var(--sage); }

.section { padding: clamp(5rem, 9vw, 9rem) 6vw; }
.about, .languages { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; }
.section-heading h2, .contact h2 { max-width: 620px; margin: 0; font-size: clamp(2.7rem, 5vw, 5rem); line-height: 1.03; letter-spacing: -.035em; }
.about-content { max-width: 780px; }
.about-content > p { color: #4f5c58; line-height: 1.8; }
.about-content .large-copy { margin-top: 0; color: var(--ink); font-size: 1.5rem; line-height: 1.55; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 3.5rem; border-top: 1px solid var(--line); }
.facts div { display: flex; flex-direction: column; gap: .5rem; padding: 1.5rem 1rem 0 0; }
.facts span, .publication-list span, .language-list span { color: #697670; font-size: .8rem; }

.career, .publications { color: white; background: var(--forest); }
.section-heading.light .eyebrow { color: var(--sage); }
.timeline { margin-top: 5rem; border-top: 1px solid rgba(255,255,255,.25); }
.timeline-item { display: grid; grid-template-columns: .42fr 1fr; gap: 3rem; padding: 2.7rem 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.timeline-meta { display: flex; flex-direction: column; gap: .55rem; }
.timeline-meta span, .role-kicker { color: var(--sage); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.timeline-item h3 { margin: 0 0 .8rem; font-size: clamp(1.6rem, 3vw, 2.6rem); }
.timeline-item p { max-width: 760px; color: #cbd5d1; line-height: 1.7; }
.timeline-item .previous-role { margin-top: 1.2rem; color: white; font-size: .88rem; font-weight: 600; }
.timeline-item.current h3 { color: #ddbc84; }

.education { background: var(--cream); }
.education-content { display: grid; grid-template-columns: 1fr .85fr; gap: 6vw; margin-top: 5rem; }
.education-list { border-top: 1px solid var(--line); }
.education-list article { padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.education-list span, .research-detail span { color: #6c7772; font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
.education-list h3 { margin: .45rem 0 .25rem; font-size: clamp(1.35rem, 2.4vw, 2rem); }
.education-list p { margin: 0; color: #69746f; }
.research-card { align-self: start; padding: clamp(2rem, 4vw, 3.5rem); color: white; background: var(--forest); }
.research-card > h3 { margin: 0 0 1rem; font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.15; }
.research-card > p:not(.eyebrow), .research-detail p { color: #c5d0cc; line-height: 1.7; }
.research-detail { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.23); }
.research-detail span, .research-detail strong { display: block; }
.research-detail strong { margin-top: .45rem; }
.publication-list { margin-top: 5rem; border-top: 1px solid rgba(255,255,255,.25); }
.publication-list article { display: grid; grid-template-columns: .42fr 1fr; gap: 3rem; padding: 2.2rem 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.publication-list span { color: var(--sage); }
.publication-list h3 { max-width: 800px; margin: 0; font-size: clamp(1.25rem, 2.4vw, 2rem); line-height: 1.35; }

.language-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.language-list div { display: flex; justify-content: space-between; gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }

.contact { display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; background: var(--cream); }
.contact-intro > p:not(.eyebrow) { color: #596560; line-height: 1.7; }
.text-link { display: inline-block; margin-top: 1rem; font-weight: 600; text-underline-offset: .3rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.field { display: flex; flex-direction: column; gap: .55rem; }
.field-full { grid-column: 1 / -1; }
label { font-size: .82rem; font-weight: 600; }
input, textarea { width: 100%; padding: .9rem 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #7b8580; border-radius: 0; outline: none; }
input:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 1px var(--gold); }
textarea { resize: vertical; }
.form-footer { display: flex; align-items: center; gap: 1rem; }
.form-message { margin: 0; font-size: .88rem; line-height: 1.4; }
.form-message.error { color: #a02c2c; }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; }
.consent { display: flex; align-items: flex-start; gap: .7rem; color: #596560; font-size: .78rem; line-height: 1.5; }
.consent input { flex: 0 0 auto; width: 1rem; height: 1rem; margin-top: .15rem; accent-color: var(--forest); }
.consent a { text-underline-offset: .2rem; }
.footer-links { display: flex; gap: 1.4rem; }

footer { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2rem 6vw; color: white; background: #10221f; }
footer p, footer a:not(.brand) { font-size: .8rem; }

.simple-page { min-height: 100vh; display: grid; place-items: center; padding: 6vw; background: var(--cream); }
.simple-card { width: min(820px, 100%); padding: clamp(2rem, 6vw, 5rem); background: var(--paper); border: 1px solid var(--line); box-shadow: 0 24px 70px rgba(20,36,33,.1); }
.simple-card .brand { display: inline-block; margin-bottom: 4rem; }
.simple-card h1 { margin-bottom: 2rem; font-size: clamp(3rem, 7vw, 6rem); line-height: .95; }
.simple-card > p { color: #596560; line-height: 1.75; }
.simple-card > .button { margin-top: 1.5rem; }
.privacy-page { place-items: start center; }
.privacy-page .simple-card h1 { font-size: clamp(3rem, 6vw, 5rem); }
.privacy-page .simple-card h2 { margin-top: 2.4rem; font-size: 1.5rem; }
.policy-date { margin-top: 2.5rem; font-size: .82rem; }

@media (max-width: 800px) {
  .menu-button { display: block; }
  nav { position: absolute; top: 76px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; padding: 1.5rem 6vw; background: var(--paper); border-bottom: 1px solid var(--line); }
  nav.open { display: flex; }
  .hero, .about, .languages, .contact, .education-content { grid-template-columns: 1fr; }
  .hero-copy { min-height: 70vh; }
  .hero-visual { min-height: 480px; }
  .section { padding-top: 5rem; padding-bottom: 5rem; }
  .publication-list article, .timeline-item { grid-template-columns: 1fr; gap: 1rem; }
  .facts { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  h1 { font-size: 3.65rem; }
  .hero-note, .language-list div, footer { align-items: flex-start; flex-direction: column; }
  .form-footer { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}