/* gigometry.com landing site (GBM-173). Colors match the app's theme
   (frontend/src/theme/constants.ts); dark like the app. */
:root {
  --bg: #111111;
  --surface: #1a1a1a;
  --surface-2: #1e1e1e;
  --border: #242424;
  --border-2: #2a2a2a;
  --amber: #d4a054;
  --amber-dark: #b8863f;
  --amber-glow: #d4a05426;
  --text: #f0ece6;
  --muted: #a8a39c;
  --dim: #77726c;
  --ok: #6fbf73;
  --maybe: #d4a054;
  --radius: 14px;
  --max: 1120px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.6 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--amber); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #e4b46a; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
h3 { font-size: 1.1rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.mono, .eyebrow { font-family: 'DM Mono', ui-monospace, monospace; }
.small { font-size: .875rem; }
.muted { color: var(--muted); }
.center { text-align: center; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 24px; } }
.wrap.narrow { max-width: 780px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: #111; padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  background: linear-gradient(180deg, var(--amber), var(--amber-dark)); color: #111;
  font-weight: 600; text-decoration: none; white-space: nowrap;
}
.btn:hover { color: #111; filter: brightness(1.07); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { color: var(--text); border-color: var(--amber); filter: none; }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: .9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.5em 0 1em; }
.actions.center { justify-content: center; }
.link { font-weight: 600; text-decoration: none; }

/* Shown only inside an old home-screen install (GBM-172). */
.moved { background: var(--amber); color: #111; padding: 12px 0; }
.moved .wrap { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.moved p { margin: 0; }
.moved .btn { background: #111; color: var(--text); }
.moved .btn:hover { color: var(--text); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(17,17,17,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; gap: 20px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.brand:hover { color: var(--text); }
.nav { display: none; gap: 22px; margin-left: auto; }
.nav a, .menu-panel a:not(.btn) { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav a:hover, .nav a[aria-current] { color: var(--text); }
.nav-cta { display: none; }
.menu { margin-left: auto; position: relative; }
.menu summary { list-style: none; cursor: pointer; width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
.menu-panel { position: absolute; right: 0; top: 52px; width: min(280px, calc(100vw - 32px)); display: flex; flex-direction: column; gap: 4px; padding: 12px; background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--radius); box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.menu-panel a:not(.btn) { padding: 10px 8px; }
.menu-panel .btn { margin-top: 8px; }
@media (min-width: 900px) {
  .nav, .nav-cta { display: flex; }
  .menu { display: none; }
}

/* Sections */
.section { padding: 64px 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { margin-bottom: 1.2em; }
.eyebrow { color: var(--amber); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: .8em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 42em; }
.page-head { padding: 56px 0 8px; }
.page-head .lead { margin-bottom: 0; }

/* Hero */
.hero { padding: 48px 0 64px; background: radial-gradient(800px 400px at 80% 10%, var(--amber-glow), transparent 70%); }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero { padding: 88px 0 96px; } .hero-grid { grid-template-columns: 1.15fr .85fr; } }

/* Phone mock */
.phone { justify-self: center; width: min(320px, 100%); padding: 12px; border-radius: 36px; background: #0b0b0b; border: 1px solid var(--border-2); box-shadow: 0 40px 80px rgba(0,0,0,.55), 0 0 0 6px #161616; }
.phone-screen { border-radius: 26px; background: var(--bg); padding: 18px 14px; display: grid; gap: 12px; }
.ph-top { display: flex; align-items: center; gap: 8px; color: var(--muted); letter-spacing: .1em; }
.ph-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.ph-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px; font-size: .92rem; }
.ph-row { display: flex; gap: 12px; align-items: center; }
.ph-date { display: grid; place-items: center; width: 46px; height: 50px; border-radius: 10px; background: var(--amber-glow); color: var(--amber); font: 500 1.2rem/1 'DM Mono', monospace; }
.ph-date b { font-size: .65rem; letter-spacing: .1em; }
.ph-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip { font-size: .75rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-2); color: var(--muted); }
.chip.ok { color: var(--ok); border-color: #6fbf7355; }
.chip.maybe { color: var(--maybe); border-color: #d4a05455; }
.ph-set { list-style: none; margin: 8px 0 0; padding: 0; counter-reset: s; }
.ph-set li { counter-increment: s; display: flex; justify-content: space-between; gap: 8px; padding: 6px 0; border-top: 1px solid var(--border); }
.ph-set li:first-child { border-top: 0; }
.ph-set li span:first-child::before { content: counter(s) '  '; color: var(--dim); font-family: 'DM Mono', monospace; }
.ph-set .mono { color: var(--amber); font-size: .8rem; }
.ph-busy { display: flex; justify-content: space-between; }

/* Grids and cards */
.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.four { grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.card { display: flex; flex-direction: column; padding: 22px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border-2); color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s; }
.section:not(.alt) .card { background: var(--surface); }
.card:hover { color: var(--text); border-color: var(--amber); transform: translateY(-2px); }
.card p { color: var(--muted); font-size: .95rem; flex: 1; }
.card .more { color: var(--amber); font-size: .9rem; font-weight: 600; }
.ico { width: 28px; height: 28px; color: var(--amber); margin-bottom: 12px; flex: none; }
.who { padding: 20px; border-left: 2px solid var(--amber); background: linear-gradient(90deg, var(--amber-glow), transparent 60%); border-radius: 0 var(--radius) var(--radius) 0; }
.who p { color: var(--muted); margin: 0; font-size: .95rem; }
.card-static { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border-2); margin-bottom: 40px; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); counter-reset: step; }
.steps li { counter-increment: step; padding: 22px; border-radius: var(--radius); border: 1px solid var(--border-2); background: var(--surface); }
.steps li::before { content: '0' counter(step); display: block; font: 500 .9rem 'DM Mono', monospace; color: var(--amber); margin-bottom: 10px; }
.steps p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Split + checks + providers */
.split { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: 1.1fr .9fr; gap: 64px; } }
.checks { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks .ico { width: 22px; height: 22px; margin: 3px 0 0; }
.providers { display: grid; gap: 12px; }
.provider { padding: 18px 20px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border-2); }
.provider h3 { margin-bottom: .3em; }
.provider p { margin: 0; color: var(--muted); font-size: .95rem; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border-2); border-radius: 12px; background: var(--bg); }
.section:not(.alt) .faq details { background: var(--surface); }
.faq summary { cursor: pointer; padding: 16px 48px 16px 18px; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--amber); font: 400 1.4rem 'DM Mono', monospace; }
.faq details[open] summary::after { content: '−'; }
.faq details > div { padding: 0 18px 4px; color: var(--muted); }

/* Prose (feature pages, guide, legal) */
.prose h2 { margin-top: 1.8em; font-size: clamp(1.3rem, 2.6vw, 1.6rem); scroll-margin-top: 80px; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin-bottom: .45em; }
.prose p, .prose li { color: #d8d3cc; }
.callout { padding: 16px 18px; border-left: 3px solid var(--amber); background: var(--surface); border-radius: 0 10px 10px 0; }
.toc { margin: 1.5em 0 2em; padding: 16px 20px; border: 1px solid var(--border-2); border-radius: 12px; background: var(--surface); }
.toc ol { margin: 0; padding-left: 1.3em; columns: 2 220px; }
.toc li { margin: .2em 0; }
.prose h3 { margin-top: 1.4em; }
.report-box { margin-bottom: 2em; }
.report-box p:last-child { margin-bottom: 0; }
.prose > ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose ul.todo { list-style: none; padding-left: 0; }
.todo li { position: relative; padding-left: 1.8em; }
.todo li::before { content: ''; position: absolute; left: 0; top: .3em; width: 1em; height: 1em; border: 1.5px solid var(--amber); border-radius: 4px; }
.draft { display: inline-block; margin-top: .5em; padding: 6px 12px; border-radius: 8px; background: #d4a05422; color: var(--amber); font-size: .9rem; }
mark { background: #d4a05433; color: var(--amber); padding: 0 3px; border-radius: 3px; }

/* CTA + footer */
.cta-band { padding: 72px 0; background: radial-gradient(600px 300px at 50% 0%, var(--amber-glow), transparent 70%); border-top: 1px solid var(--border); }
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; background: #0d0d0d; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
.footer-grid > div:first-child { grid-column: 1 / -1; max-width: 360px; }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } .footer-grid > div:first-child { grid-column: auto; } }
.footer-grid h2 { font: 500 .75rem 'DM Mono', monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin-bottom: 12px; }
.footer-grid nav { display: flex; flex-direction: column; gap: 8px; }
.footer-grid nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.footer-grid nav a:hover { color: var(--text); }
.footer-grid .brand { margin-bottom: 12px; }
.legal-line { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }