/* Starbright — dark broadcast-guide / streaming-signal visual. Navy + cyan + amber. */
:root {
  --navy: #101a26;
  --navy-2: #162232;
  --navy-3: #1e2c40;
  --ink: #e6edf3;
  --ink-dim: #a9b7c6;
  --ink-faint: #6f8195;
  --cyan: #2fb5c9;
  --cyan-deep: #1f8fa3;
  --amber: #f0c75e;
  --line: #24354c;
  --mono: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #6fdcf0; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* header */
.site-head { border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--navy-2), var(--navy)); }
.sigline {
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 14px, transparent 14px 20px, var(--amber) 20px 24px, transparent 24px 30px);
  opacity: .6;
}
.head-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 22px; flex-wrap: wrap; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand-bars { display: flex; align-items: flex-end; gap: 3px; height: 22px; flex: none; }
.brand-bars::before, .brand-bars::after { content: ""; width: 4px; border-radius: 1px; }
.brand-bars::before { height: 10px; background: var(--amber); }
.brand-bars::after { height: 20px; background: var(--cyan); }
.brand-name { font-size: 20px; letter-spacing: .14em; font-weight: 700; }
.brand-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--ink-faint); text-transform: uppercase; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.nav a { color: var(--ink-dim); }
.nav a:hover { color: var(--cyan); }

/* hero */
.hero { padding: 56px 0 34px; border-bottom: 1px solid var(--line); }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); margin: 0 0 14px; }
.hero h1, main > h1 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; letter-spacing: -.01em; font-weight: 700; }
.hero-sub { color: var(--ink-dim); max-width: 64ch; font-size: 18px; margin: 0; }
main > h1 { font-size: 34px; }
.zh { font-weight: 400; font-size: .55em; color: var(--ink-faint); margin-left: .6em; }

/* channel blocks */
.chan-block { padding: 40px 0; border-bottom: 1px solid var(--line); }
.chan-title { font-size: 26px; display: flex; align-items: baseline; gap: 14px; margin: 0 0 8px; font-weight: 700; }
.chan-no { font-family: var(--mono); font-size: 14px; color: var(--amber); letter-spacing: .1em; }
.chan-blurb { color: var(--ink-dim); margin: 0 0 22px; max-width: 66ch; }
.chan-blurb.big { font-size: 19px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.chan-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  padding: 14px 16px;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.chan-card:hover { transform: translateY(-2px); border-color: var(--cyan); background: var(--navy-3); }
.card-no { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: .1em; }
.card-name { font-size: 18px; color: var(--ink); line-height: 1.25; font-weight: 600; }
.card-meta { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }

/* per-channel accents */
.accent-genres-formats .chan-card { border-left-color: #2fb5c9; }
.accent-streaming-technology .chan-card { border-left-color: #6f7bf7; }
.accent-home-viewing-setup .chan-card { border-left-color: #f0c75e; }
.accent-discovery-curation .chan-card { border-left-color: #54c88a; }
.accent-tv-history-technology .chan-card { border-left-color: #e07a5f; }

/* article */
.article { padding-bottom: 40px; }
.breadcrumb { font-size: 13px; color: var(--ink-faint); margin: 22px 0 8px; }
.breadcrumb a { color: var(--ink-dim); }
.breadcrumb span { margin: 0 6px; }
.lede { font-size: 18px; color: var(--ink-dim); margin: 12px 0 24px; max-width: 64ch; }

.channel-card {
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  margin: 0 0 32px;
}
.cc-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.cc-label { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--cyan); text-transform: uppercase; }
.cc-no { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.cc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0; }
.cc-item { padding: 14px 16px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.d-label { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px; }
.cc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--mono); font-size: 12px; color: var(--ink); background: var(--navy-3);
  border: 1px solid var(--line); padding: 3px 9px; border-radius: 2px;
}
a.tag:hover { border-color: var(--cyan); color: var(--cyan); }
.tag-key { color: var(--cyan); border-color: var(--cyan-deep); background: transparent; }
.tag-dim { color: var(--ink-faint); opacity: .7; }

/* sections */
.sections { max-width: 720px; }
.sec { padding: 26px 0; border-bottom: 1px solid var(--line); }
.sec:last-child { border-bottom: none; }
.sec h2 { font-size: 23px; margin: 0 0 14px; display: flex; align-items: baseline; gap: 12px; font-weight: 700; }
.sec-no { font-family: var(--mono); font-size: 13px; color: var(--amber); letter-spacing: .1em; }
.sec p { margin: 0 0 14px; color: var(--ink); }
.sec p:last-child { margin-bottom: 0; }

.related-nav { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); max-width: 720px; }
.related-nav h2 { font-size: 20px; margin: 0 0 12px; font-weight: 700; }

.back { margin-top: 30px; }

/* legal / notfound */
.legal { max-width: 720px; padding-bottom: 50px; }
.legal h2 { font-size: 22px; margin: 30px 0 10px; font-weight: 700; }
.legal p { margin: 0 0 14px; color: var(--ink); }
.notfound { padding: 70px 0 90px; }
.notfound h1 { font-size: 36px; font-weight: 700; }
.notfound p { color: var(--ink-dim); max-width: 52ch; }

/* footer */
.site-foot { border-top: 1px solid var(--line); background: var(--navy-2); padding: 28px 0 34px; font-size: 14px; color: var(--ink-dim); }
.site-foot p { margin: 0 0 8px; max-width: 72ch; }
.foot-links a { color: var(--ink-dim); }
.foot-links a:hover { color: var(--cyan); }
.foot-links span { margin: 0 8px; color: var(--ink-faint); }
.foot-fine { color: var(--ink-faint); font-family: var(--mono); font-size: 12px; letter-spacing: .06em; }

@media (max-width: 640px) {
  .head-row { flex-direction: column; align-items: flex-start; }
  .hero h1, main > h1 { font-size: 30px; }
  .cc-grid { grid-template-columns: 1fr; }
}