/* cbetting.com — "The Blueprint" design system (v1, 2026-09-04)
   Poker strategy drawn to scale: cyanotype blueprint ground, white
   drafting lines, one safety-orange CTA. Sora display, Plex Mono for
   measurements. Signature move: the schematic diagram system. */

:root {
  --print: #0c3357;
  --print-deep: #082541;
  --line-strong: #eaf4ff;
  --line-soft: rgba(223, 240, 255, 0.45);
  --grid: rgba(223, 240, 255, 0.08);
  --text: #dcebfa;
  --text-dim: #9db8d2;
  --cta: #ff8a1e;
  --cta-deep: #e97505;

  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem; --s-6: 2rem; --s-7: 3rem; --s-8: 4.5rem;

  --display: "Sora", "Trebuchet MS", Verdana, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --wrap: 64rem;
  --prose: 44rem;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }

html { overflow-x: clip; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem; line-height: 1.7;
  color: var(--text);
  background: var(--print);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.12; color: var(--line-strong); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
h3 { font-size: 1.2rem; }
h1 em, h2 em { font-style: normal; color: var(--cta); }
a { color: var(--text); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cta); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--s-5); }
.prose { max-width: var(--prose); }
.eyebrow { font-family: var(--mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--text-dim); }

/* Header — title block of a drawing */
.site-header { border-bottom: 2px solid var(--line-strong); background: var(--print-deep); }
.site-header .bar { display: flex; align-items: center; gap: var(--s-4); padding-block: var(--s-4); }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.3rem; color: var(--line-strong); text-decoration: none; white-space: nowrap; line-height: 1; }
.logo svg { width: 30px; height: 30px; flex: none; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: var(--s-5); }
.site-nav a { font-weight: 600; font-size: 0.9rem; color: var(--text-dim); text-decoration: none; }
.site-nav a:hover { color: var(--line-strong); }
.site-nav a.nav-cta { background: var(--cta); color: #241300; padding: 10px 18px; border-radius: 6px; white-space: nowrap; font-weight: 800; }
.site-nav a.nav-cta:hover { background: var(--cta-deep); }
.age-chip { font-family: var(--mono); font-size: 0.72rem; border: 2px solid var(--text-dim); border-radius: 999px; padding: 2px 9px; color: var(--text-dim); flex: none; }
@media (max-width: 720px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .site-header .bar, .site-nav { gap: var(--s-3); }
  .logo { font-size: 1.05rem; }
}

/* Hero — product close-up: the drawing IS the hero */
.hero { padding-block: var(--s-7) var(--s-8); }
.hero .grid2 { display: grid; gap: var(--s-6); align-items: center; }
@media (min-width: 900px) { .hero .grid2 { grid-template-columns: 0.95fr 1.05fr; } }
.hero h1 { max-width: 16ch; margin-block: var(--s-3) var(--s-4); }
.hero .sub { color: var(--text-dim); max-width: 48ch; margin-bottom: var(--s-5); }
.hero .micro { display: block; margin-top: var(--s-3); font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); }

/* Blueprint sheet (diagram frame) */
.sheet { border: 2px solid var(--line-strong); background: rgba(8, 37, 65, 0.55); padding: var(--s-4); position: relative; }
.sheet .titleblock {
  display: flex; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap;
  border-top: 1px solid var(--line-soft); margin-top: var(--s-3); padding-top: var(--s-2);
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
}
.sheet svg text { font-family: var(--mono); }

.btn { display: inline-block; background: var(--cta); color: #241300; font-weight: 800; font-size: 1rem; text-decoration: none; padding: 13px 30px; border-radius: 6px; border: none; cursor: pointer; min-height: 44px; }
.btn:hover { background: var(--cta-deep); }

/* Sections */
.section { padding-block: var(--s-8); }
.section.deep { background: var(--print-deep); border-block: 1px solid var(--line-soft); }
.section-head { max-width: var(--prose); margin-bottom: var(--s-6); }
.section-head h2 { margin-top: var(--s-2); }
.section-head p { margin-top: var(--s-3); color: var(--text-dim); }

/* Drawing index — a schedule table, not cards */
.drawings { border: 2px solid var(--line-strong); }
.drawings a, .drawings .row { display: grid; grid-template-columns: 6.5rem 1fr auto; gap: var(--s-4); align-items: baseline; padding: var(--s-4) var(--s-5); text-decoration: none; border-bottom: 1px solid var(--line-soft); }
.drawings > *:last-child { border-bottom: none; }
.drawings .no { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.1em; }
.drawings .name { font-family: var(--display); font-weight: 700; color: var(--line-strong); font-size: 1.05rem; }
.drawings .status { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
.drawings a:hover { background: rgba(223, 240, 255, 0.06); }
.drawings a .status.ready { color: var(--cta); }
@media (max-width: 560px) { .drawings a, .drawings .row { grid-template-columns: 1fr auto; } .drawings .no { display: none; } }

/* Article pages */
.article { padding-block: var(--s-7) var(--s-8); }
.article .prose > * + * { margin-top: var(--s-4); }
.article .prose h2 { margin-top: var(--s-7); }
.article .prose h3 { margin-top: var(--s-5); color: var(--cta); font-size: 1.05rem; }
.article .lede { font-size: 1.2rem; color: var(--text-dim); }
.article .updated { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); }
.callout { border: 2px solid var(--line-strong); background: rgba(8, 37, 65, 0.55); padding: var(--s-4) var(--s-5); }
.spec { font-family: var(--mono); font-size: 0.9rem; line-height: 1.8; color: var(--text); }

.disclosure { font-size: 0.85rem; color: var(--text-dim); font-style: italic; }
.rg-band { background: #051a2f; color: var(--text-dim); border-top: 1px solid var(--line-soft); }
.rg-band .wrap { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); align-items: center; padding-block: var(--s-5); font-size: 0.9rem; }
.rg-band a { color: var(--line-strong); }

.site-footer { background: #051a2f; color: #7f99b4; font-size: 0.9rem; }
.site-footer .wrap { padding-block: var(--s-6); display: grid; gap: var(--s-4); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.site-footer a { color: var(--text-dim); font-weight: 600; font-size: 0.85rem; text-decoration: none; }
.site-footer a:hover { color: var(--line-strong); text-decoration: underline; }
.site-footer p a { font-weight: 400; text-decoration: underline; font-size: inherit; }

@media (prefers-reduced-motion: no-preference) {
  a.btn, .site-nav a.nav-cta { transition: background-color 180ms ease-out; }
}