/* Radiant — shared stylesheet. No build step. */
:root {
  --bg: #0b0f17;
  --bg-2: #0f1520;
  --panel: #131b28;
  --panel-2: #182233;
  --line: #233047;
  --text: #f7efe4;
  --muted: #a3acbb;
  --accent: #f3952b;
  --accent-2: #f7b160;
  --accent-ink: #1a0f02;
  --teal: #3fd1c3;
  --radius: 14px;
  --maxw: 1120px;
  --font-display: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(243,149,43,.16), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(63,209,195,.07), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-2); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; z-index: 100; font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,15,23,.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: .08em; text-transform: uppercase; }
.brand img { width: auto; height: 32px; }
.nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; padding: .45rem .7rem; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--panel); }
@media (max-width: 560px) { .nav a.hide-sm { display: none; } .brand span { font-size: 1.05rem; } }

/* Hero */
.hero { padding: 5.5rem 0 3.5rem; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; right: -120px; top: 40px; width: 520px; height: 520px;
  background: linear-gradient(135deg, rgba(243,149,43,.22), rgba(243,149,43,0) 60%);
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%);
  pointer-events: none;
}
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .2em; font-size: .8rem; color: var(--accent-2); font-weight: 600; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: .01em; }
.hero h1 { font-size: clamp(3.2rem, 11vw, 7rem); margin: .6rem 0 .4rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.hero h1 .dot { color: var(--accent); }
.tagline { font-size: clamp(1.15rem, 2.6vw, 1.5rem); color: var(--text); max-width: 38ch; margin: 0 0 1.75rem; font-weight: 500; }
.hero p.lede { color: var(--muted); max-width: 60ch; margin: 0 0 2rem; }
.btn-row { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; font-weight: 600;
  padding: .8rem 1.25rem; border-radius: 10px; border: 1px solid var(--line); color: var(--text); background: var(--panel);
  font-family: var(--font-body);
}
.btn:hover { border-color: var(--accent); color: #fff; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-2); color: var(--accent-ink); }
.btn[aria-disabled="true"] { opacity: .75; cursor: not-allowed; }

/* Announcement */
.announce {
  margin: 0 0 2.5rem; display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
  background: linear-gradient(90deg, rgba(243,149,43,.14), rgba(243,149,43,.04));
  border: 1px solid rgba(243,149,43,.45); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 1.1rem 1.25rem; max-width: 760px;
}
.announce .pulse { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); margin-top: .45rem; box-shadow: 0 0 0 0 rgba(243,149,43,.7); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(243,149,43,.6);} 70% { box-shadow: 0 0 0 12px rgba(243,149,43,0);} 100% { box-shadow: 0 0 0 0 rgba(243,149,43,0);} }
.announce strong { display: block; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .08em; font-size: 1.05rem; color: #fff; }
.announce p { margin: .25rem 0 0; color: var(--text); }
.announce small { color: var(--muted); }

/* Sections */
section { padding: 3.5rem 0; }
.section-head { margin-bottom: 2rem; max-width: 70ch; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin: .4rem 0 .5rem; text-transform: uppercase; letter-spacing: .04em; }
.section-head p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.25rem 1.1rem; position: relative;
}
.card h3 { margin: .2rem 0 .4rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card .icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(243,149,43,.12); color: var(--accent-2); font-family: var(--font-display); font-weight: 700; margin-bottom: .6rem; }
.card .icon svg { width: 22px; height: 22px; }
.tag { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: .15rem .5rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); margin-left: .35rem; vertical-align: middle; }
.tag.optin { color: var(--teal); border-color: rgba(63,209,195,.45); }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); padding: 0; margin: 0; list-style: none; }
.steps li { counter-increment: step; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.steps li::before { content: "0" counter(step); display: block; font-family: var(--font-display); color: var(--accent); font-weight: 700; font-size: 1.4rem; margin-bottom: .2rem; }
.steps li h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.steps li p { margin: 0; color: var(--muted); font-size: .95rem; }
.notice {
  margin-top: 1.25rem; border: 1px solid rgba(63,209,195,.4); background: rgba(63,209,195,.07);
  border-radius: var(--radius); padding: 1rem 1.2rem; color: var(--text);
}
.notice strong { color: var(--teal); }

/* Preview gallery */
.gallery { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.gallery figure { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.gallery a { display: block; }
.gallery img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; object-position: top left; background: #313338; }
.gallery figcaption { padding: .75rem 1rem .9rem; font-size: .92rem; color: var(--muted); border-top: 1px solid var(--line); }
.gallery figcaption code { color: var(--text); }
.preview-note { display: inline-block; margin-bottom: 1.25rem; font-size: .9rem; color: var(--muted); border: 1px dashed var(--line); padding: .4rem .75rem; border-radius: 8px; }

.soon {
  text-align: center; border: 1px solid var(--line); border-radius: var(--radius); padding: 2.5rem 1.25rem;
  background: linear-gradient(135deg, rgba(243,149,43,.10), rgba(19,27,40,.6));
}
.soon h2 { margin: 0 0 .5rem; font-size: clamp(1.6rem, 4vw, 2.2rem); text-transform: uppercase; letter-spacing: .05em; }
.soon p { margin: 0 auto; color: var(--muted); max-width: 60ch; }

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; background: rgba(255,255,255,.06); padding: .1em .35em; border-radius: 5px; }

/* Legal pages */
.legal { padding: 3.5rem 0 4rem; }
.legal .container { max-width: 860px; }
.legal h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); margin: .4rem 0 .5rem; text-transform: uppercase; letter-spacing: .04em; }
.legal .meta { color: var(--muted); margin: 0 0 2rem; }
.legal h2 { font-size: 1.4rem; margin: 2.4rem 0 .6rem; padding-top: .4rem; border-top: 1px solid var(--line); }
.legal h3 { font-size: 1.1rem; margin: 1.5rem 0 .4rem; color: #fff; }
.legal p, .legal li { color: #d6d2cb; }
.legal ul, .legal ol { padding-left: 1.3rem; }
.legal li { margin: .3rem 0; }
.toc { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1rem; }
.toc h2 { border: 0; margin: 0 0 .4rem; padding: 0; font-size: 1rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.toc ol { margin: 0; columns: 2; column-gap: 2rem; }
@media (max-width: 640px) { .toc ol { columns: 1; } }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent-2); text-decoration: underline; }
.callout { background: rgba(243,149,43,.08); border: 1px solid rgba(243,149,43,.35); border-radius: 10px; padding: .9rem 1.1rem; margin: 1rem 0; }
.table-wrap { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: .94rem; }
th, td { text-align: left; padding: .65rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--panel-2); font-family: var(--font-display); letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: #080b11; padding: 2.5rem 0 2rem; margin-top: 2rem; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--text); text-decoration: none; font-weight: 500; }
.footer-links a:hover { color: var(--accent-2); text-decoration: underline; }
.legal-boilerplate { margin: 1.5rem 0 0; color: var(--muted); font-size: .85rem; line-height: 1.6; max-width: 90ch; }
.copyright { color: #7e8796; font-size: .85rem; margin: .75rem 0 0; }

/* 404 */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 4rem 1.25rem; }
.notfound .code { font-family: var(--font-display); font-size: clamp(5rem, 20vw, 9rem); font-weight: 700; color: var(--accent); line-height: 1; margin: 0; }
.notfound h1 { margin: .5rem 0; text-transform: uppercase; letter-spacing: .05em; }
.notfound p { color: var(--muted); margin: 0 0 1.5rem; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
ul.plain { list-style: none; padding: 0; margin: 0; }
.fine { color: var(--muted); margin-top: 1.25rem; font-size: .95rem; }
.notfound .code.small { font-size: clamp(3rem, 12vw, 5rem); }

/* Preview lightbox (homepage). Hidden unless [open]; the gallery links work without JS. */
html.lb-open { overflow: hidden; }
.lightbox { padding: 0; margin: 0; border: 0; width: 100%; height: 100%; max-width: none; max-height: none; background: rgba(6,8,12,.975); color: var(--text); }
.lightbox::backdrop { background: rgba(0,0,0,.7); }
.lightbox[open] { display: block; }
.lb-stage { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 4.5rem 5.5rem 2rem; }
.lb-figure { margin: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .9rem; max-width: 100%; max-height: 100%; }
.lb-img { width: auto; height: auto; max-width: min(1200px, 100%); max-height: calc(100vh - 10rem); max-height: calc(100dvh - 10rem); border-radius: 10px; border: 1px solid var(--line); background: #313338; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lb-figure figcaption { color: var(--muted); font-size: .95rem; text-align: center; max-width: 70ch; }
.lb-figure figcaption code { color: var(--text); }
.lb-count { font-family: var(--font-display); font-weight: 700; color: var(--accent); margin-right: .4rem; letter-spacing: .06em; }
.lb-btn { position: absolute; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(247,239,228,.28); background: rgba(19,27,40,.92); color: var(--text); cursor: pointer; padding: 0; }
.lb-btn svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.lb-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.lb-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 50%; }
.lb-close { top: 1rem; right: 1rem; z-index: 2; }
.lb-prev { left: 1.25rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.25rem; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) {
  .lb-stage { padding: 4.75rem .75rem 6rem; }
  .lb-img { max-height: calc(100vh - 13rem); max-height: calc(100dvh - 13rem); }
  .lb-close { top: .75rem; right: .75rem; }
  .lb-prev, .lb-next { top: auto; bottom: 1.25rem; transform: none; }
  .lb-prev { left: calc(50% - 64px); }
  .lb-next { right: calc(50% - 64px); }
}