/* ApexGPS — public site styling.
   Palette pulled from play-feature-graphic.png: deep navy hero band,
   gold trail accent, warm off-white body. */

:root {
  --navy:    #0c1828;
  --navy-2:  #16263d;
  --gold:    #FFC857;
  --gold-d:  #e0a92e;
  --bg:      #fafafa;
  --bg-2:    #ffffff;
  --text:    #1f2937;
  --muted:   #4b5563;
  --border:  #e5e7eb;
  color-scheme: light dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy-2); text-decoration: none; border-bottom: 1px solid var(--border); }
a:hover { color: var(--gold-d); border-bottom-color: var(--gold); }

img { max-width: 100%; height: auto; display: block; }

/* ── Top nav (default layout for docs/) ───────────────────────── */
.site-nav {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.site-nav .brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: #fff;
  border-bottom: none;
}
.site-nav .brand .pin { color: var(--gold); margin-right: 4px; }
.site-nav .links { margin-left: auto; display: flex; gap: 18px; }
.site-nav .links a {
  color: #cbd5e1;
  border-bottom: none;
  font-size: 0.9rem;
}
.site-nav .links a:hover { color: var(--gold); }

/* ── Hero (home layout) ───────────────────────────────────────── */
.hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(12,24,40,0.55) 0%, rgba(12,24,40,0.85) 100%),
    url('/assets/hero.png') center/cover no-repeat;
  color: #fff;
  padding: 96px 24px 110px;
  text-align: center;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.95rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero .tag {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #f8e9bf;
  margin: 0 0 4px;
}
.hero .sub {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin: 0 0 32px;
}
.hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border-bottom: none;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); border-bottom: none; }
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover { background: var(--gold-d); color: var(--navy); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: #fff; border-color: var(--gold); }

/* ── Sections ─────────────────────────────────────────────────── */
section {
  padding: 64px 24px;
}
section.alt { background: var(--bg-2); }
.wrap { max-width: 1100px; margin: 0 auto; }
.section-title {
  font-size: clamp(1.35rem, 4.5vw, 1.85rem);
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.section-lede {
  color: var(--muted);
  margin: 0 0 36px;
  max-width: 620px;
}

/* ── Screenshot strip ─────────────────────────────────────────── */
/* Desktop default: wrap into rows, centred — no scroll, no clipping
   when 5 × 220 px overflows the wrap on 1100–1200 px viewports.
   Mobile (≤ 720 px): switch to a horizontal carousel with snap. */
.shots {
  /* Desktop: 7 tiles always in one row, sharing available width equally.
     Each tile gets `flex: 1 1 0` so they fill the row, capped at
     `max-width: 160px` so on ultra-wide they don't balloon. On smaller
     desktops (< ~1120 px viewport) tiles auto-shrink to keep 7-in-a-row
     instead of wrapping. The mobile breakpoint (≤ 720 px) below
     overrides this to a horizontal scroll-snap carousel. */
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 12px;
  padding: 4px;
}
.shots img {
  flex: 1 1 0;
  min-width: 0;
  max-width: 160px;
  height: auto;
  aspect-ratio: 630 / 1255;
  border-radius: 22px;
  box-shadow: 0 12px 28px -8px rgba(12,24,40,0.35), 0 2px 6px rgba(0,0,0,0.08);
  background: var(--navy);
  object-fit: cover;
}
@media (max-width: 720px) {
  .shots {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding: 4px 4px 24px;
    gap: 16px;
  }
  .shots img {
    /* Reset the desktop flex-fill rule — mobile uses fixed-width
       horizontal-scroll carousel tiles, not equal-share flex. */
    flex: 0 0 auto;
    width: 200px;
    max-width: 200px;
    scroll-snap-align: center;
  }
}

/* ── Feature grid ─────────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}
.feature .icon {
  font-size: 1.7rem;
  display: inline-block;
  margin-bottom: 10px;
}
.feature h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
}
.feature p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--muted);
}

/* ── Why list ─────────────────────────────────────────────────── */
.why ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.why li {
  padding: 14px 18px;
  background: var(--bg-2);
  border-left: 3px solid var(--gold);
  border-radius: 6px;
  color: var(--text);
}
.why li b { color: var(--navy); }

/* ── Languages strip ──────────────────────────────────────────── */
.langs {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.langs a {
  padding: 8px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text);
}
.langs a:hover { border-color: var(--gold); color: var(--gold-d); }

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: #cbd5e1;
  padding: 32px 24px 40px;
  text-align: center;
  font-size: 0.92rem;
}
.site-footer a { color: #cbd5e1; border-bottom-color: rgba(255,255,255,0.2); }
.site-footer a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.site-footer .row { margin-bottom: 6px; }

/* ── Docs page (default layout body) ──────────────────────────── */
.doc-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.doc-body h1 {
  font-size: 2rem;
  margin-top: 0;
  letter-spacing: -0.01em;
}
.doc-body h2 {
  font-size: 1.4rem;
  margin-top: 2.2em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.doc-body h3 { font-size: 1.1rem; margin-top: 1.8em; }
.doc-body code {
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}
.doc-body pre {
  background: var(--navy);
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.88rem;
}
.doc-body pre code { background: transparent; padding: 0; color: inherit; }
.doc-body blockquote {
  border-left: 3px solid var(--gold);
  margin: 1em 0;
  padding: 4px 14px;
  color: var(--muted);
  background: var(--bg-2);
}
.doc-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}
.doc-body th, .doc-body td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}
.doc-body th { background: var(--bg-2); }

/* ── Dark-mode tweaks ─────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:     #0f172a;
    --bg-2:   #1e293b;
    --text:   #e2e8f0;
    --muted:  #94a3b8;
    --border: #334155;
  }
  body { background: var(--bg); color: var(--text); }
  a { color: #e2e8f0; }
  .feature, .why li, .langs a, .doc-body pre, .doc-body th, .doc-body code, .site-nav .brand { color: inherit; }
  .doc-body code { background: #334155; }
  .doc-body blockquote { background: #0b1220; }
  .why li b { color: var(--gold); }
}

/* ── Tablet / large phone (≤ 720 px) ──────────────────────────── */
@media (max-width: 720px) {
  .hero { padding: 72px 20px 84px; }
  section { padding: 52px 20px; }
  .section-lede { margin-bottom: 28px; }

  /* Wide doc-body tables get horizontal scroll instead of overflowing
     the viewport (changelog "Track | Visible | Counts" style tables). */
  .doc-body .table-wrap, .doc-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
  .doc-body table { white-space: nowrap; }
}

/* ── Phone (≤ 480 px) ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .hero {
    padding: 56px 18px max(64px, calc(64px + env(safe-area-inset-bottom)));
  }
  .hero .tag { font-size: 1rem; }
  .hero .sub { font-size: 0.88rem; margin-bottom: 24px; }

  /* Stack CTAs full-width — easier to tap, more obvious primary action. */
  .hero .ctas {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    padding: 0 4px;
  }
  .hero .ctas .btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    text-align: center;
  }

  section { padding: 40px 18px; }
  .section-lede { font-size: 0.95rem; margin-bottom: 22px; }

  /* Nav: keep brand on left, links horizontally scrollable on the right
     instead of wrapping. Hides scrollbar for a cleaner look. */
  .site-nav {
    padding: 10px 14px;
    gap: 8px;
    flex-wrap: nowrap;
    align-items: center;
  }
  .site-nav .brand { font-size: 1rem; flex-shrink: 0; }
  .site-nav .links {
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .site-nav .links::-webkit-scrollbar { display: none; }
  .site-nav .links a {
    padding: 8px 10px;
    font-size: 0.88rem;
    flex-shrink: 0;
  }

  .features { gap: 12px; }
  .feature { padding: 18px; border-radius: 14px; }
  .feature h3 { font-size: 1rem; }
  .feature p { font-size: 0.9rem; }

  .why ul { gap: 10px; }
  .why li { padding: 12px 14px; }

  .langs a { padding: 10px 18px; font-size: 0.92rem; }

  /* Carousel: image takes ~76 % of viewport width so neighbours peek in,
     making the swipe affordance obvious. */
  .shots img { flex: 0 0 auto; width: 76vw; max-width: 240px; }

  .doc-body { padding: 20px 16px 48px; }
  .doc-body h1 { font-size: 1.55rem; }
  .doc-body h2 { font-size: 1.2rem; margin-top: 1.8em; }
  .doc-body h3 { font-size: 1.05rem; margin-top: 1.5em; }
  .doc-body pre { padding: 12px; font-size: 0.85rem; border-radius: 6px; }
  .doc-body p, .doc-body li { font-size: 0.97rem; }

  .site-footer {
    padding: 24px 16px calc(28px + env(safe-area-inset-bottom));
    font-size: 0.88rem;
  }
}

/* ── Small phone (≤ 360 px) ───────────────────────────────────── */
@media (max-width: 360px) {
  .hero h1 { font-size: 1.85rem; }
  .hero .ctas .btn { font-size: 0.95rem; padding: 13px 16px; }
  .feature, .why li { padding: 14px; }
}

/* ── Reduce motion preference ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
  .btn:hover { transform: none; }
}