/* Matches williamgravestechnology.com: Syne display type, 32px-rounded panels, black pill buttons,
   gold hover accent, frosted header, glass footer. Light and dark follow the system. */
@import url("https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700;800&display=swap");
:root {
  --bg: #f8f8f8; --ink: #0d0d0d; --ink-2: #4b5563; --muted: #6b7280; --panel: #f0f1f3; --panel-2: #e5e7eb;
  --line: rgba(0,0,0,.1); --gold: #FFD60A; --btn: #000; --btn-ink: #fff;
  --code-bg: #111; --code-ink: #eee; --glass: rgba(255,255,255,.55); --glass-footer: rgba(220,220,220,.29);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141414; --ink: #f8f8f8; --ink-2: #d1d5db; --muted: #9ca3af; --panel: #1f2328; --panel-2: #111418;
    --line: rgba(255,255,255,.14); --btn: #fff; --btn-ink: #000; --code-bg: #0a0a0a; --glass: rgba(0,0,0,.45); --glass-footer: rgba(118,118,118,.4); color-scheme: dark; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 Inter, "SF Pro Display", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; opacity: 0; animation: in .8s ease forwards; }
@keyframes in { to { opacity: 1; } }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: Syne, Inter, sans-serif; letter-spacing: -.5px; line-height: 1.05; margin: 0; }

/* header */
header.top { position: fixed; top: 0; left: 0; width: 100%; z-index: 50; display: flex; align-items: center; gap: 24px; padding: 8px clamp(16px, 4vw, 64px);
  background: var(--glass); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
header.top .logo { display: flex; align-items: center; gap: 12px; }
header.top .logo img { height: 40px; width: auto; display: block; transition: transform .5s; }
header.top .logo:hover img { transform: rotate(12deg); }
.logo .dark { display: none !important; }
@media (prefers-color-scheme: dark) { .logo .light { display: none !important; } .logo .dark { display: block !important; } }
header.top .tag { font: 700 16px Syne, sans-serif; }
header.top nav { margin-left: auto; display: flex; gap: 24px; font-weight: 500; font-size: 16px; }
header.top nav a { transition: color .3s, transform .3s; }
header.top nav a:hover, header.top nav a[aria-current] { color: var(--gold); transform: scale(1.05); }

/* layout */
main { padding-top: 56px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.hero { position: relative; margin: 24px 15px 15px; padding: 110px 20px 90px; border-radius: 32px; overflow: hidden; text-align: center;
  background: linear-gradient(to bottom, rgba(0,170,104,.12), transparent); }
.hero h1 { font-size: clamp(44px, 8vw, 96px); font-weight: 800; }
.hero p { font-size: clamp(18px, 2.2vw, 24px); color: var(--ink-2); max-width: 680px; margin: 24px auto 34px; }
.eyebrow { display: inline-block; margin-bottom: 20px; padding: 5px 14px; border-radius: 999px; background: var(--panel); color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .03em; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; height: 52px; padding: 0 30px; border-radius: 999px; background: var(--btn); color: var(--btn-ink); font-weight: 600; font-size: 17px; transition: transform .25s, box-shadow .25s; }
.btn:hover { transform: scale(1.04); box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }

.band { margin: 15px; padding: 72px 20px; border-radius: 32px; background: var(--panel); }
.band.gold { background: linear-gradient(to bottom, transparent, rgba(239,220,110,.4)); }
.band h2 { font-size: clamp(30px, 4.5vw, 52px); font-weight: 800; margin-bottom: 12px; }
.band .sub { color: var(--ink-2); font-size: 19px; max-width: 640px; margin: 0 0 34px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--bg); border-radius: 28px; padding: 30px; transition: transform .3s, box-shadow .3s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,.08); }
.card h3 { font-size: 24px; margin-bottom: 8px; }
.card p { margin: 0; color: var(--ink-2); font-size: 16px; }
.tagpill { display: inline-block; margin-bottom: 12px; padding: 2px 11px; border-radius: 999px; background: rgba(255,214,10,.3); font-size: 12px; font-weight: 800; letter-spacing: .04em; }

/* doc pages */
.page { padding: 48px 0 24px; }
.page h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 800; margin: 14px 0 14px; }
.lead { font-size: 21px; color: var(--ink-2); max-width: 680px; margin: 0 0 28px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 26px 0; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: flex; gap: 16px; align-items: flex-start; background: var(--panel); border-radius: 24px; padding: 20px 24px; }
.steps li::before { content: counter(s); flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--gold); color: #000; display: grid; place-items: center; font: 800 15px Syne, sans-serif; }
.steps b { display: block; font-family: Syne, sans-serif; font-size: 18px; }
pre, code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
pre { background: var(--code-bg); color: var(--code-ink); border-radius: 24px; padding: 22px 26px; overflow-x: auto; font-size: 14.5px; line-height: 1.6; margin: 18px 0; }
code { background: var(--panel); padding: 2px 8px; border-radius: 8px; font-size: .88em; }
pre code { background: none; padding: 0; }
table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 18px 0; background: var(--panel); border-radius: 24px; overflow: hidden; }
th, td { text-align: left; padding: 14px 20px; border-bottom: 1px solid var(--line); font-size: 16px; vertical-align: top; }
th { font-family: Syne, sans-serif; background: var(--panel-2); }
tr:last-child td { border-bottom: 0; }
.note { border-radius: 24px; background: rgba(255,214,10,.2); padding: 18px 24px; margin: 22px 0; }
h2.sec { font-size: 34px; margin: 48px 0 8px; font-weight: 800; }
ul.plain { color: var(--ink-2); padding-left: 22px; }

/* glass footer, as on the main site */
footer { margin: 90px 0 0; padding: 70px 20px 36px; background: var(--glass-footer); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border-top: 1px solid var(--line); border-radius: 32px 32px 0 0; box-shadow: 0 -10px 30px rgba(0,0,0,.05); }
.fcols { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 36px; max-width: 1200px; margin: 0 auto; }
.fcol { flex: 1 1 140px; min-width: 140px; }
.fcol h4 { margin: 0 0 14px; font: 600 13px Inter, sans-serif; letter-spacing: .5px; text-transform: uppercase; }
.fcol a { display: block; margin-bottom: 9px; font-size: 14px; transition: color .3s, transform .2s; }
.fcol a:hover { color: var(--gold); transform: translateX(3px); }
.fbottom { max-width: 1200px; margin: 50px auto 0; padding-top: 28px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; text-align: center; color: var(--muted); }
.fbottom img { height: 40px; margin: 0 auto 14px; display: block; }
@media (max-width: 768px) { .fcols { flex-direction: column; align-items: center; text-align: center; } header.top .tag { display: none; } header.top nav { gap: 14px; font-size: 15px; } .hero { padding: 80px 16px 64px; } }
@media (prefers-reduced-motion: reduce) { body { animation: none; opacity: 1; } * { transition: none !important; } }