/* Lifting Eyeshadow — single-page site. Colors are tokens; dark mode follows the system. */
:root {
  --bg: #faf7f3;
  --bg-alt: #f2ece5;
  --ink: #2a211c;
  --muted: #7a6c62;
  --line: #e2d8ce;
  --accent: #9a6a4f;
  --accent-ink: #ffffff;
  --dark-bg: #2a211c;
  --dark-ink: #f4ede6;
  --shadow-dark: #6b4a37;
  --shadow-light: #d9b9a0;
  --ph: #b8860b;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1613;
    --bg-alt: #231d19;
    --ink: #f1e9e1;
    --muted: #a8998d;
    --line: #3a302a;
    --accent: #c99474;
    --accent-ink: #1b1613;
    --dark-bg: #120e0c;
    --dark-ink: #f1e9e1;
    --shadow-dark: #c99474;
    --shadow-light: #6b4a37;
    --ph: #e0b04a;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.1; margin: 0 0 .5em; }
h1 { font-size: clamp(3.2rem, 9vw, 6.5rem); letter-spacing: -.01em; }
h2 { font-size: clamp(2rem, 4.5vw, 3rem); }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.eyebrow {
  font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .9em;
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 36em; }
.note { color: var(--muted); max-width: 44em; margin-top: 2rem; }

/* Placeholders: everything still waiting for real data. Remove the class when filled. */
.ph { outline: 1.5px dashed var(--ph); outline-offset: 2px; color: var(--ph); }
.ph-img {
  display: grid; place-items: center; text-align: center;
  aspect-ratio: 4 / 3; border-radius: 6px;
  background: repeating-linear-gradient(45deg, var(--bg-alt) 0 12px, var(--line) 12px 13px);
  color: var(--muted); font-size: .9rem; padding: 1rem;
}
.ph-tall { aspect-ratio: 4 / 5; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 1rem; }
.brand { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.nav nav { display: flex; gap: 1.4rem; overflow-x: auto; }
.nav nav a { font-size: .9rem; text-decoration: none; color: var(--muted); white-space: nowrap; }
.nav nav a:hover { color: var(--ink); }
@media (max-width: 760px) { .nav nav { display: none; } }

/* Buttons */
.btn {
  display: inline-block; padding: .8em 1.5em; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  text-decoration: none; font-weight: 500; font-size: .95rem;
  border: 1.5px solid var(--accent);
}
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn:hover { filter: brightness(1.08); }

/* Hero */
.hero { padding: 64px 0 56px; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.15fr .85fr; } .hero { padding: 96px 0 80px; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.hero-figure { margin: 0; }

/* Facts */
.facts { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .facts-grid { grid-template-columns: repeat(4, 1fr); } }
.facts-grid div { padding: 28px 8px; text-align: center; }
.facts-grid strong { display: block; font-family: var(--serif); font-size: 2.6rem; font-weight: 600; line-height: 1; }
.facts-grid span { font-size: .85rem; color: var(--muted); }

/* Sections */
.section { padding: 80px 0; }
@media (min-width: 900px) { .section { padding: 112px 0; } }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark-bg); color: var(--dark-ink); }
.section-dark .eyebrow { color: var(--shadow-light); }
.two-col { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; } }
.prose { max-width: 36em; }

/* Diagram */
.diagram { margin: 0; }
.diagram svg { width: 100%; height: auto; }
.dg-label { font: 500 13px var(--sans); fill: var(--muted); }
.dg-accent { fill: var(--accent); }
.diagram figcaption { font-size: .88rem; color: var(--muted); margin-top: .5rem; }

/* Compare */
.compare { display: grid; gap: 20px; margin-top: 56px; }
@media (min-width: 720px) { .compare { grid-template-columns: 1fr 1fr; } }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.card p { margin: 0; color: var(--muted); }
.card-accent { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, transparent); }

/* Elements */
.elements { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 32px; }
@media (min-width: 720px) { .elements { grid-template-columns: repeat(3, 1fr); } }
.elements .num {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--accent); color: var(--accent);
  font-family: var(--serif); font-size: 1.4rem; margin-bottom: 1rem;
}
.elements p { color: var(--muted); }

/* Styles */
.styles-grid { display: grid; gap: 28px; margin-top: 40px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.style h3 { margin-top: 1rem; font-size: 1.3rem; }
.style p { color: var(--muted); font-size: .95rem; }

/* Principles */
.principles { display: grid; gap: 32px; margin-top: 40px; }
@media (min-width: 720px) { .principles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .principles { grid-template-columns: repeat(4, 1fr); } }
.principles p { color: var(--muted); font-size: .95rem; }

/* Gallery */
.gallery { display: grid; gap: 16px; margin-top: 40px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* Recognition */
.recog { list-style: none; padding: 0; margin: 40px 0 0; }
.recog li {
  display: grid; grid-template-columns: 72px 1fr; gap: 8px 24px; align-items: baseline;
  padding: 24px 0; border-top: 1px solid color-mix(in srgb, var(--dark-ink) 18%, transparent);
}
@media (min-width: 720px) { .recog li { grid-template-columns: 96px 1fr auto; } }
.recog .year { font-family: var(--serif); font-size: 1.6rem; color: var(--shadow-light); }
.recog h3 { font-size: 1.35rem; margin-bottom: .2em; }
.recog p { margin: 0; opacity: .75; font-size: .95rem; }
.recog .verify { grid-column: 2; font-size: .88rem; text-decoration: none; opacity: .9; }
@media (min-width: 720px) { .recog .verify { grid-column: auto; } }

/* About */
.about figure { margin: 0; }
blockquote {
  margin: 1.6em 0 0; padding-left: 1.2em; border-left: 2px solid var(--accent);
  font-family: var(--serif); font-style: italic; font-size: 1.35rem; line-height: 1.4;
}

/* Book */
.book { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .book { grid-template-columns: 280px 1fr; } }
.book-cover {
  width: 220px; aspect-ratio: 2 / 3; border-radius: 4px 10px 10px 4px;
  background: linear-gradient(160deg, var(--shadow-dark), var(--dark-bg));
  color: #f4ede6; display: flex; flex-direction: column; justify-content: space-between;
  padding: 28px 22px; box-shadow: 0 18px 40px rgba(0,0,0,.18);
  font-family: var(--serif); font-size: 1.9rem; line-height: 1.05;
}
.book-cover small { font-family: var(--sans); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }

/* Contact */
.contact { text-align: center; }
.contact .lead { margin: 0 auto 1.6rem; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; }

.footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: .85rem; color: var(--muted); }

/* Recognition groups */
.recog-intro { opacity: .85; margin-top: 1.2rem; }
.recog-intro a { color: var(--shadow-light); }
.recog-groups { display: grid; gap: 48px 64px; margin-top: 48px; }
@media (min-width: 900px) { .recog-groups { grid-template-columns: 1fr 1fr; } }
.recog-h { font-size: 1.15rem; font-family: var(--sans); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--shadow-light); }
.recog-groups .recog { margin-top: 12px; }
.recog-groups .recog li { grid-template-columns: 64px 1fr; padding: 14px 0; }
.recog h4 { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; margin: 0; line-height: 1.2; }
.recog-pubs li { grid-template-columns: 1fr !important; }
.recog-pubs h4 { font-style: italic; font-weight: 500; }
.portrait { border-radius: 6px; width: 100%; height: auto; }