:root {
  --paper: #f3f0e8;
  --ink: #292825;
  --strong: #121316;
  --muted: #5c5d60;
  --line: #cbc7bd;
  --red: #c63f32;
  --blue: #1858d7;
  --panel: #e8e4da;
}

[data-theme="dark"] {
  --paper: #121316;
  --ink: #f1eee6;
  --strong: #f1eee6;
  --muted: #a9a9aa;
  --line: #3b3c40;
  --red: #f05b4e;
  --blue: #6f98ff;
  --panel: #1d1f24;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--red); }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-family: Arial, Helvetica, sans-serif; font-weight: 800; letter-spacing: -.04em; text-decoration: none; font-size: 1.12rem; }
.brand span { color: inherit; }
.nav-links { display: flex; align-items: center; gap: 22px; font-family: Arial, Helvetica, sans-serif; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.nav-links a { text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--red); }
.theme-toggle { border: 1px solid var(--line); border-radius: 50%; width: 38px; height: 38px; background: transparent; color: var(--ink); cursor: pointer; font-size: 1rem; }

.hero { padding: 104px 0 96px; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(48px, 7vw, 92px); align-items: center; }
.eyebrow { font-family: Arial, Helvetica, sans-serif; text-transform: uppercase; letter-spacing: .13em; font-size: .73rem; font-weight: 700; color: var(--red); }
h1, h2, h3 { margin: 0; line-height: .98; font-weight: 500; }
h1 { font-size: clamp(4.2rem, 10vw, 9.4rem); letter-spacing: -.075em; max-width: 9ch; }
h2 { font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -.055em; }
h3 { font-size: clamp(1.45rem, 2.4vw, 2.15rem); letter-spacing: -.035em; }
.hero-copy { max-width: 620px; font-size: clamp(1.15rem, 2.1vw, 1.55rem); }
.hero-aside { align-self: center; }
.hero-illustration { display: block; width: min(100%, 510px); height: auto; aspect-ratio: 1 / 1; object-fit: contain; margin: 0 auto 20px; }
.hero-note { max-width: 38ch; color: var(--muted); margin: 0 auto; padding-top: 18px; border-top: 1px solid var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border: 1px solid var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; text-decoration: none; }
.button.primary { background: var(--strong); color: var(--paper); }
.button:hover { background: var(--red); color: white; border-color: var(--red); }

.section { padding: 94px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; margin-bottom: 52px; align-items: start; }
.section-intro { color: var(--muted); max-width: 55ch; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; }
.card { border-top: 3px solid var(--ink); padding: 18px 0 24px; }
.card.feature { grid-column: span 6; }
.card.third { grid-column: span 4; }
.card.quarter { grid-column: span 3; }
.card .meta { font-family: Arial, Helvetica, sans-serif; text-transform: uppercase; letter-spacing: .08em; font-size: .69rem; color: var(--muted); margin-bottom: 18px; }
.card p { color: var(--muted); }
.card-link { font-family: Arial, Helvetica, sans-serif; text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; text-decoration: none; }
.project-card { min-height: 330px; padding: 26px; background: var(--panel); display: flex; flex-direction: column; justify-content: space-between; }
.project-card:nth-child(2) { background: var(--red); color: #fff; }
.project-card:nth-child(2) p { color: #ffe9e5; }
.project-card:nth-child(3) { background: var(--ink); color: var(--paper); }
.project-card:nth-child(3) p { color: var(--muted); }
.project-card:nth-child(4) { border: 1px solid var(--line); background: transparent; }
.quote { font-size: clamp(2rem, 4.5vw, 4.2rem); line-height: 1.08; letter-spacing: -.045em; max-width: 21ch; }
.quote em { color: var(--red); font-style: normal; }
.service-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.service-list li { display: grid; grid-template-columns: 60px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.service-list span { font-family: Arial, Helvetica, sans-serif; color: var(--red); font-weight: 700; }
.page-hero { padding: 100px 0 76px; }
.page-hero h1 { max-width: 12ch; }
.page-deck { font-size: 1.35rem; max-width: 56ch; color: var(--muted); margin-top: 30px; }
.lane { padding: 52px 0; border-top: 1px solid var(--line); }
.lane-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; margin-bottom: 34px; }
.books-entry { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); background: var(--panel); }
.books-entry-image { padding: 20px; align-self: center; }
.books-entry-image img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
.books-entry-copy { padding: clamp(24px, 4vw, 44px); align-self: center; }
.books-entry-copy h2 { font-size: clamp(2rem, 4vw, 3.6rem); margin-bottom: 18px; }
.books-entry-copy p { color: var(--muted); }
.book-list { padding-top: 14px; border-top: 1px solid var(--line); }
.tag { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 5px 10px; margin: 3px 3px 3px 0; font: 700 .67rem Arial, sans-serif; text-transform: uppercase; letter-spacing: .07em; }
.bio-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.facts { margin: 0; }
.facts div { border-top: 1px solid var(--line); padding: 16px 0; }
.facts dt { font: 700 .72rem Arial, sans-serif; text-transform: uppercase; letter-spacing: .09em; color: var(--red); }
.facts dd { margin: 4px 0 0; }
footer { border-top: 1px solid var(--line); padding: 35px 0 55px; font-family: Arial, Helvetica, sans-serif; font-size: .78rem; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; padding: 16px 0; }
  .nav-links { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  .hero, .section-head, .lane-head, .bio-grid { grid-template-columns: 1fr; }
  .hero { padding: 68px 0; }
  .hero-aside { max-width: 560px; }
  .card.feature, .card.third, .card.quarter { grid-column: span 6; }
  .books-entry { grid-template-columns: 1fr; }
  .books-entry-image { padding-bottom: 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .shell { width: min(100% - 28px, 1180px); }
  .nav { display: block; }
  .nav-links { margin-top: 14px; justify-content: flex-start; }
  .theme-toggle { position: absolute; right: 14px; top: 12px; }
  h1 { font-size: 3.7rem; }
  .section { padding: 68px 0; }
  .card.feature, .card.third, .card.quarter { grid-column: 1 / -1; }
  .project-card { min-height: 260px; }
  .books-entry-image { padding: 12px 12px 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }