:root {
  --paper: #f2ede4;
  --paper-deep: #e7ded0;
  --ink: #29251f;
  --ink-soft: #6d665d;
  --line: rgba(41, 37, 31, .17);
  --accent: #a4482f;
  --accent-dark: #74301f;
  --sage: #657063;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;
  --shell: min(1180px, calc(100vw - 48px));
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
::selection { background: rgba(164, 72, 47, .18); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 16px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border-radius: 999px;
}
.skip-link:focus { transform: translateY(0); }

.page-grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  opacity: .035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled {
  background: rgba(242, 237, 228, .84);
  border-color: var(--line);
  backdrop-filter: blur(18px) saturate(115%);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 500 11px/1 var(--mono);
  letter-spacing: .04em;
}
.brand-name { font-weight: 600; font-size: 14px; letter-spacing: -.02em; }
.site-nav { display: flex; gap: 34px; align-items: center; }
.site-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: var(--accent);
  transition: right .3s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { right: 0; }
.menu-toggle { display: none; }

.hero {
  min-height: calc(100vh - 78px);
  padding: clamp(72px, 11vh, 130px) 0 90px;
  display: grid;
  grid-template-columns: minmax(0, 1.48fr) minmax(320px, .72fr);
  gap: clamp(64px, 8vw, 120px);
  align-items: center;
}
.eyebrow {
  margin: 0 0 26px;
  color: var(--ink-soft);
  font: 400 11px/1.4 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 5px rgba(101, 112, 99, .11);
}
.hero h1, .section-title, .contact h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.045em;
}
.hero h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(64px, 7.6vw, 116px);
  line-height: .88;
}
.hero h1 em, .section-title em { color: var(--accent); font-weight: 400; }
.hero-intro {
  max-width: 680px;
  margin: 36px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.75;
  letter-spacing: -.015em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: transform .25s var(--ease), background .25s ease, color .25s ease, border-color .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button-quiet:hover { border-color: var(--ink); }

.notebook-card {
  position: relative;
  min-height: 470px;
  padding: 28px 28px 64px;
  background: rgba(255, 252, 246, .48);
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px rgba(61, 46, 32, .07);
  transform: rotate(1.2deg);
}
.notebook-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(41, 37, 31, .08);
  pointer-events: none;
}
.notebook-topline {
  display: flex;
  justify-content: space-between;
  color: var(--ink-soft);
  font: 400 10px/1 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.notebook-question {
  margin: 62px 0 36px;
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1.08;
  letter-spacing: -.025em;
}
.diagram { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: center; gap: 4px; }
.diagram-node {
  display: grid;
  place-items: center;
  height: 60px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font: 400 11px/1.2 var(--mono);
}
.diagram-arrow { position: relative; height: 1px; background: var(--accent); }
.diagram-arrow::after { content: "→"; position: absolute; right: -2px; top: 50%; transform: translateY(-53%); color: var(--accent); font-size: 18px; }
.diagram-arrow span { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); color: var(--accent); font: 400 10px/1 var(--mono); white-space: nowrap; }
.notebook-rule { height: 1px; margin: 40px 0 18px; background: var(--line); }
.notebook-note { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.page-number { position: absolute; right: 28px; bottom: 22px; color: var(--accent); font: 400 10px/1 var(--mono); }

.marquee-band { overflow: hidden; border-block: 1px solid var(--line); }
.marquee-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 16px 0;
  animation: marquee 34s linear infinite;
  color: var(--ink-soft);
  font: 400 10px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section { padding: clamp(100px, 12vw, 170px) 0; }
.section-label { display: flex; align-items: center; gap: 14px; margin-bottom: 56px; }
.section-label span { color: var(--accent); font: 400 10px/1 var(--mono); }
.section-label p { margin: 0; font: 500 11px/1 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.section-label::after { content: ""; width: 52px; height: 1px; background: var(--line); }
.about-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(70px, 10vw, 150px); align-items: start; }
.section-title { margin: 0; font-size: clamp(52px, 6vw, 86px); line-height: .98; }
.about-copy { max-width: 570px; }
.about-copy > p { margin: 0 0 24px; color: var(--ink-soft); font-size: 15px; line-height: 1.82; }
.facts { margin: 48px 0 0; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 150px 1fr; gap: 22px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--ink-soft); font: 400 10px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.facts dd { margin: 0; font-size: 13px; }

.research-section, .recognition-section { background: var(--ink); color: var(--paper); }
.research-section .section-label::after, .recognition-section .section-label::after { background: rgba(242, 237, 228, .24); }
.research-section .section-label span, .recognition-section .section-label span { color: #d47b61; }
.research-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 90px; align-items: end; margin-bottom: 80px; }
.research-heading .section-title { max-width: 760px; }
.research-heading > p { max-width: 360px; margin: 0 0 6px; color: rgba(242, 237, 228, .55); font-size: 12px; line-height: 1.7; }
.project-list { border-top: 1px solid rgba(242, 237, 228, .22); }
.project {
  position: relative;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(130px, .35fr);
  gap: clamp(28px, 5vw, 80px);
  padding: 52px 0;
  border-bottom: 1px solid rgba(242, 237, 228, .22);
}
.project-index { padding-top: 6px; color: #d47b61; font: 400 11px/1 var(--mono); }
.project-meta { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 14px; color: rgba(242, 237, 228, .48); font: 400 10px/1.5 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.project h3 { max-width: 760px; margin: 0; font: 400 clamp(30px, 3.6vw, 50px)/1.02 var(--serif); letter-spacing: -.025em; }
.project-body > p { max-width: 780px; margin: 24px 0 0; color: rgba(242, 237, 228, .62); font-size: 14px; line-height: 1.8; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.tags span { padding: 7px 11px; border: 1px solid rgba(242, 237, 228, .18); border-radius: 999px; color: rgba(242, 237, 228, .63); font: 400 9px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.project-mark { align-self: center; justify-self: end; color: rgba(242, 237, 228, .18); font: 400 clamp(30px, 4vw, 62px)/1 var(--serif); white-space: nowrap; }
.project-mark.equation { font-size: clamp(24px, 3vw, 42px); }

.lens-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.lens-card { min-height: 310px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); background: rgba(255, 252, 246, .28); }
.lens-number { color: var(--accent); font: 400 10px/1 var(--mono); }
.lens-card h3 { margin: auto 0 18px; font: 400 34px/1.04 var(--serif); letter-spacing: -.02em; }
.lens-card p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }

.recognition-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(70px, 10vw, 150px); }
.recognition-section .section-title { max-width: 560px; }
.timeline { border-top: 1px solid rgba(242, 237, 228, .22); }
.timeline-item { display: grid; grid-template-columns: 72px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid rgba(242, 237, 228, .22); }
.timeline-item time { color: #d47b61; font: 400 10px/1.6 var(--mono); }
.timeline-item h3 { margin: 0 0 7px; font: 400 25px/1.16 var(--serif); }
.timeline-item p { margin: 0; color: rgba(242, 237, 228, .5); font-size: 12px; line-height: 1.7; }
.placeholder-list { border-top: 1px solid rgba(242, 237, 228, .22); }
.placeholder-item { min-height: 184px; display: flex; flex-direction: column; justify-content: center; padding: 30px 0; border-bottom: 1px solid rgba(242, 237, 228, .22); }
.placeholder-kicker { margin-bottom: 28px; color: #d47b61; font: 400 10px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.placeholder-item h3 { margin: 0 0 8px; color: rgba(242, 237, 228, .78); font: 400 30px/1.1 var(--serif); }
.placeholder-item p { margin: 0; color: rgba(242, 237, 228, .4); font-size: 12px; line-height: 1.7; }

.contact { padding: clamp(100px, 14vw, 190px) 0 80px; }
.contact-inner { border-top: 1px solid var(--line); padding-top: 54px; }
.contact h2 { max-width: 900px; margin: 0; font-size: clamp(54px, 7vw, 102px); line-height: .94; }
.email-link { display: inline-flex; align-items: center; gap: 16px; margin-top: 54px; color: var(--accent); font: 400 clamp(20px, 2.2vw, 30px)/1.2 var(--serif); text-decoration-thickness: 1px; text-underline-offset: 8px; }
.contact-foot { display: flex; justify-content: space-between; gap: 20px; margin-top: 100px; color: var(--ink-soft); font: 400 10px/1.5 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.contact-foot a { color: var(--ink); }
.footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 20px; padding: 26px 0 34px; border-top: 1px solid var(--line); color: var(--ink-soft); font: 400 9px/1.5 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.footer p { margin: 0; }
.footer a { color: var(--ink); text-decoration: none; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .22s; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .notebook-card { width: min(100%, 560px); min-height: 410px; margin-left: auto; transform: none; }
  .about-layout, .recognition-layout { grid-template-columns: 1fr; }
  .about-copy { margin-left: auto; }
  .research-heading { grid-template-columns: 1fr; gap: 28px; }
  .project { grid-template-columns: 48px 1fr; }
  .project-mark { display: none; }
  .lens-grid { grid-template-columns: 1fr; }
  .lens-card { min-height: 230px; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 32px, 1180px); }
  .nav-wrap { min-height: 68px; }
  .brand-name { display: none; }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 0;
    padding: 8px 0;
    background: none;
    color: var(--ink);
    font: 500 11px/1 var(--mono);
    text-transform: uppercase;
    letter-spacing: .08em;
  }
  .menu-icon, .menu-icon::before { width: 18px; height: 1px; display: block; background: currentColor; transition: transform .25s ease; }
  .menu-icon { position: relative; }
  .menu-icon::before { content: ""; position: absolute; top: 5px; }
  .menu-toggle[aria-expanded="true"] .menu-icon { transform: translateY(2px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(-90deg); }
  .site-nav {
    position: fixed;
    inset: 68px 0 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 40px 24px;
    background: var(--paper);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .site-nav a { width: 100%; padding: 18px 0; border-bottom: 1px solid var(--line); font: 400 38px/1 var(--serif); color: var(--ink); }
  .site-nav a::after { display: none; }
  .hero { padding: 76px 0 80px; gap: 70px; }
  .hero h1 { font-size: clamp(58px, 18vw, 84px); }
  .hero-intro { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .notebook-card { padding: 24px 24px 58px; }
  .notebook-question { margin-top: 50px; font-size: 30px; }
  .section { padding: 92px 0; }
  .section-label { margin-bottom: 40px; }
  .section-title { font-size: clamp(48px, 15vw, 68px); }
  .facts div { grid-template-columns: 115px 1fr; }
  .project { grid-template-columns: 1fr; gap: 12px; padding: 40px 0; }
  .project-index { padding: 0; }
  .project-meta { flex-wrap: wrap; }
  .project h3 { font-size: 34px; }
  .project-body > p { font-size: 13px; }
  .timeline-item { grid-template-columns: 54px 1fr; gap: 18px; }
  .contact h2 { font-size: clamp(50px, 15vw, 72px); }
  .contact-foot { margin-top: 72px; flex-direction: column; }
  .footer { grid-template-columns: 1fr auto; }
  .footer p:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  :root { --paper: #fff; --ink: #111; --ink-soft: #444; --line: rgba(0,0,0,.2); }
  .page-grain, .site-header, .marquee-band, .hero-actions, .contact-foot, .footer { display: none !important; }
  body { background: #fff; color: #111; font-size: 11pt; }
  .shell { width: 100%; }
  .hero { min-height: auto; padding: 0 0 44px; grid-template-columns: 1.35fr .65fr; }
  .hero h1 { font-size: 58pt; }
  .notebook-card { min-height: 330px; box-shadow: none; }
  .section { padding: 48px 0; break-inside: avoid; }
  .research-section, .recognition-section { background: #fff; color: #111; border-block: 1px solid #bbb; }
  .research-section .section-label span, .recognition-section .section-label span,
  .project-index, .timeline-item time, .placeholder-kicker { color: #7a2818; }
  .project-list, .project, .timeline, .timeline-item, .placeholder-list, .placeholder-item { border-color: #bbb; }
  .project-body > p, .research-heading > p, .timeline-item p, .placeholder-item p { color: #444; }
  .tags span { color: #444; border-color: #bbb; }
  .project-mark { color: #bbb; }
  .contact { padding: 48px 0 0; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a { text-decoration: none; }
}