/* ============================================================
   Concept2 Model E Campaign — Shared Design System
   Four campaigns, one machine. Theme set via body class.
   Type: Fraunces (display) / Source Sans 3 (body) / IBM Plex Mono (data)
   ============================================================ */

:root {
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
  --max-w: 1040px;
  --radius: 10px;
}

/* ---- Campaign themes ---- */
body.theme-stayactive {
  --bg: #f2f5f4;
  --surface: #ffffff;
  --ink: #22302e;
  --ink-soft: #4d5e5b;
  --accent: #2a6f6b;
  --accent-ink: #ffffff;
  --warm: #c97b4a;
  --rule: #d8e0de;
}
body.theme-athlete {
  --bg: #101418;
  --surface: #1a2026;
  --ink: #eceff2;
  --ink-soft: #9aa3ad;
  --accent: #6fc2e8;
  --accent-ink: #0d1318;
  --warm: #6fc2e8;
  --rule: #2a323b;
}
body.theme-trainsmart {
  --bg: #ffffff;
  --surface: #f5f7fa;
  --ink: #1a1d21;
  --ink-soft: #555c66;
  --accent: #1b3a5c;
  --accent-ink: #ffffff;
  --warm: #b98a2f;
  --rule: #e2e6eb;
}
body.theme-recovery {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #2b3138;
  --ink-soft: #5a6470;
  --accent: #5c8a72;
  --accent-ink: #ffffff;
  --warm: #8a7ba8;
  --rule: #dde1e6;
}

/* ---- Reset & base ---- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---- Header band ---- */
.band {
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
}
.band .wrap {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; flex-wrap: wrap;
}
.band-name {
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
}
.band-cta {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--ink); text-decoration: none;
  border-bottom: 2px solid var(--accent); padding-bottom: 1px;
}

/* ---- Hero ---- */
.hero { padding: 72px 0 48px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  max-width: 18ch;
}
.hero .lede {
  margin-top: 22px;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 56ch;
}
.hero .lede strong { color: var(--ink); }

/* ---- PM5-style data chips (campaign signature) ---- */
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink-soft);
  padding: 7px 13px; border-radius: 4px;
}
.chip b { color: var(--accent); font-weight: 600; }

/* ---- Video blocks ---- */
.video-block { margin: 48px 0; }
.video-block video {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--rule);
  background: #000;
}
.video-cap {
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-top: 12px;
}
.video-cap b { color: var(--accent); }

/* ---- Sections ---- */
.section { padding: 56px 0; border-top: 1px solid var(--rule); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.15; max-width: 24ch; margin-bottom: 20px;
}
.section p { max-width: 62ch; color: var(--ink-soft); margin-bottom: 16px; }
.section p strong { color: var(--ink); }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }

/* ---- Feature list ---- */
.features { list-style: none; display: grid; gap: 18px; margin-top: 8px; }
.features li { padding-left: 26px; position: relative; color: var(--ink-soft); }
.features li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 12px; height: 3px; background: var(--accent);
}
.features li strong { color: var(--ink); display: block; }

/* ---- CTA ---- */
.cta-box {
  margin: 64px 0;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
  padding: 40px;
}
.cta-box h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px;
}
.cta-box p { color: var(--ink-soft); max-width: 56ch; margin-bottom: 24px; }
.btn {
  display: inline-block;
  font-family: var(--font-mono); font-size: 1rem; letter-spacing: 0.04em;
  background: var(--accent); color: var(--accent-ink);
  text-decoration: none; padding: 15px 28px; border-radius: 6px;
}
.btn:hover { opacity: 0.92; }

/* ---- Purchase terms (deliberately quiet) ---- */
.terms {
  border-top: 1px solid var(--rule);
  padding: 48px 0 24px;
}
.terms h2 {
  font-family: var(--font-mono); font-weight: 500;
  font-size: 0.95rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 28px;
}
.terms dl { display: grid; gap: 22px; max-width: 64ch; }
.terms dt {
  font-family: var(--font-body); font-weight: 700;
  font-size: 0.95rem; color: var(--ink); margin-bottom: 4px;
}
.terms dd { font-size: 0.95rem; color: var(--ink-soft); }
.terms a { color: var(--ink); }

footer {
  border-top: 1px solid var(--rule);
  padding: 24px 0 40px;
  font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.08em; color: var(--ink-soft);
}