/* Antikythera Mechanism Dial — site styles. Local file only: no web fonts, no external resources. */
:root {
  color-scheme: light dark;
  --bg: #faf7f1;
  --bg-alt: #f1ebdf;
  --fg: #1d1a16;
  --muted: #6b6257;
  --line: #d9cfbf;
  --accent: #8a5a12;        /* bronze, 5.6:1 on --bg */
  --accent-strong: #6e470c;
  --btn-fg: #fffaf0;
  --card: #fffdf8;
  --hero-bg: #0d0b09;
  --hero-fg: #f5ecdc;
  --hero-muted: #c9b99d;
  --shadow: 0 1px 2px #0000000d, 0 8px 24px #0000000f;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12100d;
    --bg-alt: #1a1713;
    --fg: #ede5d8;
    --muted: #a99d8c;
    --line: #3a332a;
    --accent: #e0aa55;
    --accent-strong: #f0c27a;
    --btn-fg: #1a1209;
    --card: #1c1915;
    --shadow: 0 1px 2px #0000004d, 0 8px 24px #00000059;
  }
}
:root[data-theme="dark"] {
  --bg: #12100d; --bg-alt: #1a1713; --fg: #ede5d8; --muted: #a99d8c; --line: #3a332a;
  --accent: #e0aa55; --accent-strong: #f0c27a; --btn-fg: #1a1209; --card: #1c1915;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
a { color: var(--accent); text-underline-offset: .15em; }
a:hover { color: var(--accent-strong); }
img, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); margin: 0 0 .6rem; letter-spacing: -.01em; }
h3 { font-size: 1.1rem; margin: 1.4rem 0 .3rem; }
p { margin: 0 0 1rem; }
.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 700px) { .wrap { padding: 0 2rem; } }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.eyebrow { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: .4rem; }

/* Header */
.top { border-bottom: 1px solid var(--line); background: var(--bg); }
.top .wrap { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; padding-top: .7rem; padding-bottom: .7rem; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--fg); text-decoration: none; font-weight: 600; }
.brand img { width: 32px; height: 32px; border-radius: 7px; }
.top nav { margin-left: auto; display: flex; gap: .2rem 1rem; flex-wrap: wrap; font-size: .93rem; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--fg); }

/* Hero (always dark: it sits on the bronze render) */
.hero { background: var(--hero-bg); color: var(--hero-fg); position: relative; overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-media img { display: none; }
@media (prefers-reduced-motion: reduce) {
  .hero-media video { display: none; }
  .hero-media img { display: block; }
}
.hero::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, #0d0b09f2 0%, #0d0b09b3 45%, #0d0b0933 100%); }
.hero .wrap { position: relative; z-index: 1; padding-top: 5rem; padding-bottom: 4.5rem; }
.hero h1 { font-size: clamp(2rem, 1.3rem + 3.4vw, 3.4rem); margin: 0 0 .9rem; max-width: 15ch; letter-spacing: -.02em; }
.hero .lead { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); max-width: 34rem; color: var(--hero-fg); }
.hero .muted, .hero .credit { color: var(--hero-muted); }
.hero .eyebrow { color: #e0aa55; }
.credit { font-size: .78rem; margin-top: 2.2rem; }
.credit a { color: inherit; }

.cta { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; margin: 1.6rem 0 .4rem; }
.btn {
  display: inline-flex; align-items: center; gap: .55rem; padding: .78rem 1.3rem; border-radius: 999px;
  background: #e0aa55; color: #1a1209; text-decoration: none; font-weight: 650; font-size: 1rem;
}
.btn:hover { background: #f0c27a; color: #1a1209; }
.btn svg { width: 1.1em; height: 1.1em; }
.btn-line { background: transparent; color: var(--accent); border: 1.5px solid currentColor; }
.btn-line:hover { background: transparent; color: var(--accent-strong); }
.badges { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-size: .92rem; color: var(--hero-muted); }
.badges li::before { content: "✓ "; color: #e0aa55; }

/* Sections */
section { padding: 4rem 0; }
section.alt { background: var(--bg-alt); }
.intro p { max-width: 44rem; font-size: 1.08rem; }

.feature { display: grid; gap: 2rem; align-items: center; padding: 2.5rem 0; border-top: 1px solid var(--line); }
.feature:first-of-type { border-top: 0; }
@media (min-width: 860px) {
  .feature { grid-template-columns: 5fr 7fr; gap: 3rem; }
  .feature.flip .text { order: 2; }
}
.feature .text p { max-width: 32rem; }
.shots { display: flex; gap: 1rem; align-items: flex-end; }
.shots figure { margin: 0; }
.shots .ipad { flex: 1 1 auto; min-width: 0; }
.shots .iphone { flex: 0 0 26%; }
.shots img { border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.shots .iphone img { border-radius: 18px; }
.shots figcaption { font-size: .78rem; color: var(--muted); margin-top: .4rem; }
.shots.portrait { justify-content: center; }
.shots.portrait .ipad { flex: 0 1 60%; }
.shots.portrait .iphone { flex: 0 0 31%; }

.platforms { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); margin: 1.5rem 0 2rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.2rem; }
.card h3 { margin-top: 0; }
.card p { margin: 0; font-size: .95rem; }
.card .tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--btn-fg); background: var(--accent); border-radius: 4px; padding: .05rem .4rem; margin-left: .3rem; vertical-align: .15em; }
.platform-shots { display: grid; gap: 1rem; grid-template-columns: 1fr; align-items: end; }
@media (min-width: 700px) { .platform-shots { grid-template-columns: 3fr 1fr; } }
.platform-shots figure { margin: 0; }
.platform-shots img { border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.platform-shots .watch img { max-width: 210px; border-radius: 40px; margin: 0 auto; }
.platform-shots figcaption { font-size: .78rem; color: var(--muted); margin-top: .4rem; text-align: center; }

.proofs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin-top: 1.5rem; }
.num { font-size: 1.9rem; font-weight: 700; color: var(--accent); line-height: 1.1; font-variant-numeric: tabular-nums; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .92em; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); }
.table-scroll { overflow-x: auto; }

.links { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .5rem; }
.links li { padding-left: 1.2rem; position: relative; }
.links li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }

.note { border-left: 3px solid var(--accent); padding: .2rem 0 .2rem 1rem; color: var(--muted); max-width: 44rem; }
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.gallery figure { margin: 0; }
.gallery img { border-radius: 10px; border: 1px solid var(--line); }
.gallery figcaption { font-size: .85rem; margin-top: .35rem; }

footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; font-size: .86rem; color: var(--muted); }
footer p { max-width: 50rem; }
footer nav { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; margin-bottom: 1rem; }