/* =====================================================================
   DESIGN TOKENS: change colors and fonts here.
   To swap the heading font: change --font-serif below AND the Google
   Fonts link in index.html. Same for --font-sans.
   ===================================================================== */
:root {
  --font-serif: "Bodoni Moda", "Bodoni 72", Didot, Georgia, serif;
  --font-sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --bg: #0f0e0d;          /* near-black, slightly warm */
  --bg-raised: #171513;   /* cards */
  --line: #2b2723;        /* hairline rules */
  --text: #ede8df;        /* off-white */
  --muted: #a49d92;       /* secondary text */
  --accent: #c9a45c;      /* deep gold, use sparingly */

  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 2px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* Bodoni Moda at its sturdier "text" optical size: thicker thin strokes,
     easier to read on dark backgrounds. Remove this line if you swap fonts. */
  font-variation-settings: "opsz" 11;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--accent) 60%, transparent); text-underline-offset: 0.2em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius); }
::selection { background: var(--accent); color: var(--bg); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -100px; z-index: 100; background: var(--accent); color: var(--bg); padding: 8px 14px; }
.skip:focus { top: 12px; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.label {
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}
.arrow { color: var(--accent); }

/* Placeholder marker, so unfilled content is obvious */
.ph { outline: 1px dashed var(--accent); outline-offset: 2px; color: var(--accent); font-size: 0.9em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0.6rem 1.25rem;
  background: var(--accent); color: var(--bg);
  border: 1px solid var(--accent); border-radius: var(--radius);
  font: 500 0.95rem/1 var(--font-sans); text-decoration: none; cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn:hover { background: transparent; color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-small { min-height: 38px; padding: 0.45rem 0.95rem; font-size: 0.875rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-family: var(--font-serif); font-size: 1.3rem; text-decoration: none; letter-spacing: 0.01em; }
.nav { display: flex; align-items: center; gap: 2rem; }
.nav ul { display: flex; gap: 1.75rem; }
.nav a:not(.btn) { text-decoration: none; font-size: 0.95rem; color: var(--muted); }
.nav a:not(.btn):hover { color: var(--text); }
.nav-elsewhere { display: none; }
.menu-btn { display: none; }

@media (max-width: 760px) {
  .menu-btn {
    display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.25rem;
    background: none; border: 0; color: var(--text); font: 500 0.95rem var(--font-sans); cursor: pointer;
  }
  .nav {
    display: none; position: fixed; inset: 64px 0 0 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 2rem;
    padding: 2rem var(--gutter); background: var(--bg); overflow-y: auto;
  }
  .menu-open .nav { display: flex; }
  /* the blur would trap the fixed menu inside the header, so drop it while open */
  .menu-open .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
  .menu-open { overflow: hidden; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav > ul a:not(.btn) {
    display: block; padding: 0.75rem 0; border-bottom: 1px solid var(--line);
    font-family: var(--font-serif); font-size: 1.75rem; color: var(--text);
  }
  .nav .btn { align-self: flex-start; }
  .nav-elsewhere { display: block; }
  .nav-elsewhere ul { gap: 0.5rem; margin-top: 0.5rem; }
}

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(2rem, 6vw, 5rem);
  align-items: end; padding-top: clamp(3rem, 8vw, 6.5rem); padding-bottom: clamp(3rem, 8vw, 6rem);
}
.hero h1 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.75rem, 6.4vw, 5.25rem); line-height: 0.98; letter-spacing: -0.015em;
}
.positioning { margin-top: 1.75rem; font-size: clamp(1.15rem, 2vw, 1.4rem); line-height: 1.45; max-width: 34ch; }
.hero-desc { margin-top: 1rem; color: var(--muted); max-width: 46ch; }
.hero-meta { margin-top: 1.5rem; font-size: 0.85rem; color: var(--muted); letter-spacing: 0.02em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.portrait {
  position: relative; margin: 0; aspect-ratio: 4 / 5; overflow: hidden;
  background: var(--bg-raised); border: 1px solid var(--line);
}
.portrait img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.35) contrast(1.05) brightness(0.95);
}
.portrait-fallback {
  display: none; position: absolute; inset: 0; place-items: center;
  font-family: var(--font-serif); font-size: 5rem; color: var(--line);
}
.portrait.is-missing img { display: none; }
.portrait.is-missing .portrait-fallback { display: grid; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .portrait { max-width: 300px; }
}

/* ---------- sections ---------- */
.section {
  display: grid; grid-template-columns: 220px 1fr; gap: 2.5rem;
  padding: clamp(3rem, 7vw, 5rem) 0; border-top: 1px solid var(--line);
}
.section-head h2, .contact h2 {
  font-family: var(--font-serif); font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1.1;
}
.section-head { position: relative; }
.section-head h2 { position: sticky; top: 96px; }
.section-head h2::before {
  content: ""; display: block; width: 28px; height: 2px; background: var(--accent); margin-bottom: 1rem;
}
.section-body { min-width: 0; }
@media (max-width: 860px) {
  .section { grid-template-columns: 1fr; gap: 1.75rem; }
  .section-head h2 { position: static; }
}

/* fade-in (only with JS and motion allowed) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- work: case studies ---------- */
.case { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.case:first-child { padding-top: 0; }
.case-num { font-family: var(--font-serif); color: var(--accent); font-size: 1.1rem; padding-top: 0.35rem; }
.case h4 { font-family: var(--font-serif); font-size: clamp(1.45rem, 2.4vw, 1.85rem); line-height: 1.2; }
.kicker { display: block; font-family: var(--font-sans); font-size: 1rem; color: var(--muted); margin-top: 0.35rem; }
.context { font-size: 0.85rem; color: var(--muted); margin-top: 0.6rem; }
.case-dl { margin: 1.4rem 0 0; display: grid; gap: 0.9rem; }
.case-dl > div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; }
.case-dl dt { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 0.3rem; }
.case-dl dd { margin: 0; }
.case-dl .insight dt { color: var(--accent); }
.case-dl .insight dd { font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.45; font-style: italic; }
.case-links { margin-top: 1.1rem; font-size: 0.95rem; display: flex; flex-wrap: wrap; gap: 1.25rem; }
@media (max-width: 560px) {
  .case { grid-template-columns: 1fr; gap: 0.25rem; }
  .case-dl > div { grid-template-columns: 1fr; gap: 0.15rem; }
}

.subgroup { margin-top: 3.5rem; }
.subgroup.first { margin-top: 0; }
.subhead { font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 1.25rem; }
.more { margin-top: 1.25rem; font-size: 0.95rem; }

/* films */
.films { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem; }
.film a { text-decoration: none; display: block; }
.film-thumb { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-raised); border: 1px solid var(--line); }
.film-thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.2); transition: transform 0.5s ease, filter 0.5s ease; }
.film a:hover img { transform: scale(1.03); filter: none; }
.play {
  position: absolute; left: 14px; bottom: 14px; width: 40px; height: 40px; border-radius: 50%;
  background: color-mix(in srgb, var(--bg) 75%, transparent); border: 1px solid var(--accent);
}
.play::after {
  content: ""; position: absolute; left: 15px; top: 12px;
  border-left: 13px solid var(--accent); border-top: 8px solid transparent; border-bottom: 8px solid transparent;
}
.film h4 { font-family: var(--font-serif); font-size: 1.4rem; margin-top: 0.9rem; letter-spacing: 0.04em; }
.film a:hover h4 { color: var(--accent); }
.film-type { font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin: 0.2rem 0 0.4rem; }
.film p:not(.film-type):not(.muted) { font-size: 0.95rem; }
@media (max-width: 560px) { .films { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .film-thumb img { transition: none; } .film a:hover img { transform: none; } }

/* ventures */
.ventures { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.venture { background: var(--bg-raised); border: 1px solid var(--line); padding: 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; }
.venture-top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.venture h4 { font-family: var(--font-serif); font-size: 1.5rem; }
.venture .kicker { margin: 0; }
.venture p:last-child { margin-top: auto; padding-top: 0.4rem; }
.badge { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: 0.2rem 0.55rem; }

/* ---------- about ---------- */
.prose p { max-width: 62ch; }
.prose p + p { margin-top: 1rem; }
.prose p:first-child { font-family: var(--font-serif); font-size: 1.35rem; line-height: 1.45; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 2.25rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pillars li { padding: 1.1rem 1rem 1.1rem 0; color: var(--muted); font-size: 0.92rem; line-height: 1.45; }
.pillars li + li { padding-left: 1rem; border-left: 1px solid var(--line); }
.pillar-name { display: block; font-family: var(--font-serif); font-size: 1.35rem; color: var(--text); margin-bottom: 0.2rem; }
@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; }
  .pillars li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}
.facts { margin: 2rem 0 0; display: grid; gap: 0.75rem; }
.facts > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; }
.facts dt { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 0.3rem; }
.facts dd { margin: 0; }
@media (max-width: 560px) { .facts > div { grid-template-columns: 1fr; gap: 0.1rem; } }

/* ---------- experience ---------- */
.timeline li { display: grid; grid-template-columns: 10rem 1fr; gap: 1.5rem; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.timeline li:first-child { padding-top: 0; }
.dates { font-size: 0.875rem; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 0.2rem; }
.timeline h3, .stack h3 { font-family: var(--font-sans); font-weight: 600; font-size: 1.05rem; line-height: 1.4; }
.org { color: var(--muted); font-size: 0.95rem; margin: 0.15rem 0 0.45rem; }
@media (max-width: 560px) { .timeline li { grid-template-columns: 1fr; gap: 0.25rem; } }

/* ---------- research / education ---------- */
.stack li { padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.stack li:first-child { padding-top: 0; }
.stack .label { margin-bottom: 0.4rem; }
.stack h3 + .muted, .stack .org + .muted { margin-top: 0.35rem; }
.formal { font-family: var(--font-serif); font-style: italic; color: var(--muted); font-size: 0.98rem; margin-top: 0.35rem; }
.cite { margin-top: 0.75rem; font-size: 0.85rem; color: var(--muted); }
.cite summary { cursor: pointer; color: var(--text); width: fit-content; min-height: 32px; display: flex; align-items: center; }
.cite summary::marker { color: var(--accent); }
.cite p { margin-top: 0.4rem; max-width: 70ch; }
.certs { margin-top: 1.75rem; }
.certs ul { margin-top: 0.5rem; display: grid; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }

/* ---------- leadership / press ---------- */
.lines li { padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.lines li:first-child { padding-top: 0; }
.press li { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.press li:first-child { padding-top: 0; }
.press .label { margin-bottom: 0.3rem; }
.press-link { font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.4; text-decoration: none; }
.press-link:hover { text-decoration: underline; }

/* ---------- contact / footer ---------- */
.site-footer { border-top: 1px solid var(--line); scroll-margin-top: 64px; }
.contact { padding: clamp(3.5rem, 8vw, 6rem) 0 3rem; }
.contact h2::before { content: ""; display: block; width: 28px; height: 2px; background: var(--accent); margin-bottom: 1rem; }
.contact-line { font-family: var(--font-serif); font-size: clamp(1.4rem, 3vw, 2.1rem); line-height: 1.3; max-width: 30ch; margin-top: 1.25rem; }
.email-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; margin-top: 2rem; }
.email { font-size: clamp(1.05rem, 2.4vw, 1.3rem); overflow-wrap: anywhere; user-select: all; }
.copy-status { color: var(--accent); font-size: 0.9rem; min-width: 4rem; }
.contact-links { margin-top: 1.25rem; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1.5rem;
  padding: 2rem 0 2.5rem; border-top: 1px solid var(--line);
}
.elsewhere ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-top: 0.5rem; }

.noscript { max-width: 640px; margin: 4rem auto; padding: 0 16px; }
.noscript h1 { font-family: var(--font-serif); font-size: 2.5rem; margin-bottom: 1rem; }