/* wherio launch site — cobalt compass identity (see assets/BRAND.md).
   Static, no webfonts, no CDNs; dark mode via prefers-color-scheme. */

:root {
  --blue: #3d6be3;
  --blue-deep: #2b4fb8;
  --coral: #ef6a4b;
  --ink: #16213c;
  --muted: #5b6478;
  --bg: #ffffff;
  --bg-soft: #f2f5fc;
  --card: #ffffff;
  --border: #e3e8f4;
  --link: #2b4fb8;
  --shadow: 0 12px 32px rgba(22, 33, 60, 0.10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ecf7;
    --muted: #9aa3ba;
    --bg: #0e1424;
    --bg-soft: #131b30;
    --card: #182238;
    --border: #24304d;
    --link: #8ea8f5;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* --- links ------------------------------------------------------------ */

/* Covers :visited too — without this, prose links (privacy page contact,
   etc.) fall back to browser-default blue/purple, unreadable in dark mode.
   :where() keeps specificity at zero so .btn/.pill/nav/footer rules win. */
:where(a) {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

:where(a:hover) { color: var(--blue); }

/* --- nav ------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.brand img { width: 28px; height: 28px; }

.nav-links { display: flex; gap: 22px; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover { color: var(--blue); }

/* --- hero ------------------------------------------------------------ */

.hero { padding: 72px 0 56px; background: var(--bg-soft); }

.hero .wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero h1 em { color: var(--blue); font-style: normal; }

.hero p.lead {
  margin: 18px 0 26px;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 34em;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.pill.ghost {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  margin-left: 10px;
}

.hero .shot img {
  width: 100%;
  max-width: 320px;
  border-radius: 24px;
  box-shadow: var(--shadow);
  display: block;
  margin: 0 auto;
}

/* --- sections ---------------------------------------------------------- */

section { padding: 64px 0; }

section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

section p.sub { color: var(--muted); margin-bottom: 36px; max-width: 42em; }

/* --- how it works ------------------------------------------------------ */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.step .num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.step h3 { font-size: 1.05rem; margin-bottom: 6px; }

.step p { color: var(--muted); font-size: 0.95rem; }

/* --- features ----------------------------------------------------------- */

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.card .glyph { font-size: 1.6rem; margin-bottom: 10px; display: block; }

.card h3 { font-size: 1.05rem; margin-bottom: 6px; }

.card p { color: var(--muted); font-size: 0.95rem; }

/* --- gallery ----------------------------------------------------------- */

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.gallery img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* --- join page ----------------------------------------------------------- */

.join-hero {
  min-height: calc(100vh - 60px);
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  text-align: center;
  padding: 48px 24px;
}

.join-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 40px 32px;
  max-width: 420px;
  width: 100%;
}

.join-card img.mark { width: 64px; height: 64px; margin-bottom: 16px; }

.join-card h1 { font-size: 1.5rem; margin-bottom: 6px; }

.join-card p { color: var(--muted); margin-bottom: 8px; }

.join-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 2rem;
  letter-spacing: 0.35em;
  padding-left: 0.35em; /* balance the tracking */
  color: var(--blue);
  font-weight: 700;
  margin: 14px 0 22px;
}

.btn {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border-radius: 14px;
  border: 0;
  background: var(--blue);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn:active { background: var(--blue-deep); }

.btn.secondary {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  margin-top: 12px;
}

.join-note { font-size: 0.88rem; color: var(--muted); margin-top: 18px; }

/* --- prose (privacy) ------------------------------------------------------ */

.prose { max-width: 720px; padding: 56px 24px; margin: 0 auto; }

.prose h1 { margin-bottom: 8px; }

.prose h2 { font-size: 1.2rem; margin: 28px 0 8px; }

.prose p, .prose li { color: var(--muted); }

.prose ul { padding-left: 22px; }

/* --- footer --------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer a { color: var(--muted); }

footer a:hover { color: var(--blue); }

/* --- reveal ---------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* --- responsive -------------------------------------------------------------- */

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .steps, .grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}