/* =========================================================
   ACTC — TIEMPOS  ·  Design tokens (editorial broadcast)
   ========================================================= */
:root {
  /* Canvas */
  --bg-0: oklch(0.11 0.012 260);     /* deepest */
  --bg-1: oklch(0.145 0.014 260);    /* surface */
  --bg-2: oklch(0.18 0.016 260);     /* raised */
  --bg-3: oklch(0.22 0.018 260);     /* hover/stroke */
  --line: oklch(0.28 0.018 260 / 0.55);
  --line-soft: oklch(0.28 0.018 260 / 0.28);

  /* Ink */
  --ink-0: oklch(0.985 0.002 260);
  --ink-1: oklch(0.92 0.006 260);
  --ink-2: oklch(0.72 0.01 260);
  --ink-3: oklch(0.55 0.012 260);
  --ink-4: oklch(0.40 0.012 260);

  /* Signature + broadcast timing */
  --red: #E10600;               /* ACTC signature */
  --red-ink: oklch(0.68 0.22 27);
  --red-glow: color-mix(in oklab, var(--red), transparent 70%);

  --amber: oklch(0.85 0.18 82);   /* warning / yellow flag */
  --green: oklch(0.80 0.19 148);  /* personal best / go */
  --violet: oklch(0.72 0.22 300); /* overall best */
  --blue: oklch(0.73 0.16 240);   /* info / practice */

  /* Radius + shadow */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  --shadow-card: 0 1px 0 oklch(1 0 0 / 0.04) inset, 0 18px 48px oklch(0 0 0 / 0.45);
  --shadow-glow: 0 0 0 1px var(--red-glow), 0 24px 60px var(--red-glow);

  /* Type */
  --font-display: 'Archivo Narrow', 'Oswald', ui-sans-serif, system-ui, sans-serif;
  --font-ui: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
}

/* Light theme override */
[data-theme="light"] {
  --bg-0: oklch(0.985 0.003 260);
  --bg-1: oklch(0.97 0.004 260);
  --bg-2: oklch(0.94 0.005 260);
  --bg-3: oklch(0.90 0.006 260);
  --line: oklch(0.78 0.01 260 / 0.55);
  --line-soft: oklch(0.78 0.01 260 / 0.3);
  --ink-0: oklch(0.18 0.015 260);
  --ink-1: oklch(0.25 0.015 260);
  --ink-2: oklch(0.42 0.015 260);
  --ink-3: oklch(0.55 0.012 260);
  --ink-4: oklch(0.68 0.008 260);
  --shadow-card: 0 1px 0 oklch(1 0 0 / 0.8) inset, 0 10px 30px oklch(0 0 0 / 0.08);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  color: var(--ink-0);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; }

/* ========= Ambient background: subtle grain + vignette ========= */
.ambient {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(1200px 600px at 110% -10%, color-mix(in oklab, var(--red), transparent 92%), transparent 60%),
    radial-gradient(1000px 700px at -20% 110%, color-mix(in oklab, var(--violet), transparent 94%), transparent 60%),
    repeating-linear-gradient(135deg, transparent 0 2px, oklch(1 0 0 / 0.012) 2px 3px);
  mask-image: linear-gradient(to bottom, black, black 70%, transparent);
}
[data-theme="light"] .ambient {
  background:
    radial-gradient(900px 500px at 110% -10%, color-mix(in oklab, var(--red), transparent 94%), transparent 60%),
    repeating-linear-gradient(135deg, transparent 0 2px, oklch(0 0 0 / 0.015) 2px 3px);
}

/* ========= Shared top chrome ========= */
.topbar {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; gap: 18px;
  padding: 14px 22px;
  backdrop-filter: blur(14px) saturate(1.2);
  background: color-mix(in oklab, var(--bg-0), transparent 20%);
  border-bottom: 1px solid var(--line);
}
.topbar .mark {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase;
  font-size: 15px;
}
.mark-badge {
  width: 30px; height: 30px; border-radius: 6px;
  display: grid; place-items: center;
  background: var(--red);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.06em;
  box-shadow: 0 6px 18px var(--red-glow);
}
.mark-divider { width: 1px; height: 20px; background: var(--line); }
.mark-sub {
  font-family: var(--font-ui); font-weight: 500; font-size: 11px;
  letter-spacing: 0.22em; color: var(--ink-3);
}
.nav {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
  overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch;
  flex-shrink: 1; min-width: 0;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  padding: 8px 14px; border-radius: 999px;
  font-size: 13px; letter-spacing: 0.04em;
  color: var(--ink-2); white-space: nowrap; flex-shrink: 0;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav a:hover { color: var(--ink-0); background: var(--bg-2); }
.nav a[aria-current="page"] { color: var(--ink-0); background: var(--bg-2); box-shadow: inset 0 0 0 1px var(--line); }

/* ── Hamburger button (mobile only) ── */
.nav-burger {
  display: none;
  width: 36px; height: 36px;
  border-radius: 10px;
  align-items: center; justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  color: var(--ink-1);
  font-size: 20px;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: all .2s var(--ease);
  line-height: 1;
}
.nav-burger:hover { color: var(--ink-0); border-color: var(--line); background: var(--bg-3); }
.nav-burger.open { color: var(--ink-0); border-color: var(--line); }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .mark-name { display: none; }
  .nav { display: none !important; }
  .nav-burger { display: flex !important; }
  .icon-btn { width: 32px; height: 32px; flex-shrink: 0; }
}

.icon-btn {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  color: var(--ink-2);
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  transition: all .2s var(--ease);
}
.icon-btn:hover { color: var(--ink-0); border-color: var(--line); background: var(--bg-3); }

/* ========= Live indicator ========= */
.live-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--red), transparent 85%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700; font-size: 11px;
  letter-spacing: 0.24em; text-transform: uppercase;
  border: 1px solid color-mix(in oklab, var(--red), transparent 70%);
}
.live-dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 0 0 var(--red);
  animation: livePulse 1.6s var(--ease) infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0   color-mix(in oklab, var(--red), transparent 40%); }
  80%  { box-shadow: 0 0 0 10px color-mix(in oklab, var(--red), transparent 100%); }
  100% { box-shadow: 0 0 0 0   color-mix(in oklab, var(--red), transparent 100%); }
}

/* ========= Common button ========= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 10px;
  font-weight: 600; font-size: 14px; letter-spacing: 0.01em;
  background: var(--bg-2); color: var(--ink-0);
  border: 1px solid var(--line-soft);
  transition: all .2s var(--ease);
}
.btn:hover { border-color: var(--line); background: var(--bg-3); }
.btn.primary {
  background: var(--red); color: #fff; border-color: transparent;
  box-shadow: 0 10px 30px var(--red-glow);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; }

/* ========= Section label ========= */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 11px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow::before {
  content: ""; display: inline-block;
  width: 22px; height: 1px; background: var(--ink-4);
}

/* ========= Card / Surface ========= */
.surface {
  background: var(--bg-1);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

/* ========= Flag dots ========= */
.flag { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.flag.green { background: var(--green); box-shadow: 0 0 10px color-mix(in oklab, var(--green), transparent 60%); }
.flag.yellow { background: var(--amber); box-shadow: 0 0 10px color-mix(in oklab, var(--amber), transparent 60%); }
.flag.red { background: var(--red); box-shadow: 0 0 10px var(--red-glow); }
.flag.checkered { background: repeating-conic-gradient(#000 0% 25%, #fff 0% 50%) 50%/6px 6px; }