/* Gym Boss — shared site design system.
   Tokens match the live app's actual theme (constants/gym-boss-theme.ts). */

:root {
  --bg: #0c1014;
  --surface: #14191e;
  --surface-raised: #1b2129;
  --border: #232b33;
  --text: #f2f5f8;
  --text-dim: #93a0ac;
  --text-faint: #5f6a75;
  --blue: #72a7ea;
  --blue-strong: #2668c7;
  --blue-soft: rgba(114, 167, 234, 0.14);
  --danger: #e2695f;

  --font-display: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1120px;
  --radius: 14px;
  --radius-sm: 9px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; color: var(--text-dim); }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

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

/* --- Nav ------------------------------------------------------------ */

header.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 16, 20, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

nav.site-nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Matches the real in-app wordmark: a white "GB" badge beside "Gym Boss"
   set in the app's own Georgia display face — not a generic caps lockup. */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand-badge {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: #f2f5f8;
  color: #05070a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: 0;
}

.navlinks {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  font-weight: 600;
}
.navlinks a { color: var(--text-dim); }
.navlinks a:hover { color: var(--text); text-decoration: none; }

/* --- Buttons ---------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--blue);
  color: #05070a;
}
.btn-primary:hover { background: #86b6ee; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }

.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* --- Sections ---------------------------------------------------------- */

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: none; }
.section-tight { padding: 64px 0; }
/* ~27% less than .section's 96px — used where content-to-content rhythm
   was reading as too much dead air between sections. */
.section-snug { padding: 70px 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 14px; }
.section-head p { font-size: 1.08rem; line-height: 1.6; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }

@media (max-width: 860px) {
  .split, .split.reverse .split-media { grid-template-columns: 1fr; order: initial; }
  .split { gap: 40px; }
}

/* --- Card / device mockup shell ---------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.phone-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 14px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  max-width: 320px;
  margin: 0 auto;
}
.phone-screen {
  background: var(--bg);
  border-radius: 22px;
  overflow: hidden;
  padding: 18px 16px;
  min-height: 420px;
}
/* Real device screenshots — never force both width and height. The mask
   reserves space at the screenshot's own native ratio (avoids layout shift);
   the image itself only ever sets width, letting height follow naturally. */
.device-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 10px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  max-width: 280px;
  margin: 0 auto;
}
.hero .device-frame {
  max-width: 210px;
}
.device-frame .screen-mask {
  border-radius: 22px;
  overflow: hidden;
  aspect-ratio: 1242 / 2688;
}
.real-app-screen {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* One deliberate, disclosed exception: the Next Workout screenshot itself
   has a stray note fragment and a lot of dead space above/below the actual
   card. This crops to just that card — object-fit: cover still preserves
   the image's real aspect ratio and only ever crops, it never stretches
   (unlike object-fit: fill). Every other real screenshot stays uncropped. */
.screen-mask.crop-window {
  aspect-ratio: auto;
}
.screen-mask.crop-window .real-app-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Small supporting thumbnails (Progress back/analytics, secondary
   nutrition shot) — same no-distortion rule, just smaller and paired. */
.device-frame.thumb {
  max-width: 128px;
  padding: 6px;
}
.device-frame.thumb .screen-mask {
  border-radius: 14px;
}
.thumb-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 18px;
}
.thumb-caption {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-top: 8px;
}

/* Premium's single restrained real-UI crop: the actual "Past conversations"
   row from the Ask Gym Boss screenshot, showing a real Premium-gated
   feature rather than an invented mockup. */
.premium-crop {
  max-width: 360px;
  margin: 28px auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.premium-crop .crop-mask {
  aspect-ratio: 1206 / 250;
  overflow: hidden;
}
.premium-crop .crop-mask img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 41%;
  display: block;
}

.phone-screen .screen-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.phone-screen .screen-sub {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 18px;
}

.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.mock-row .mock-name { font-size: 0.88rem; font-weight: 700; color: var(--text); }
.mock-row .mock-meta { font-size: 0.72rem; color: var(--text-faint); margin-top: 2px; }
.mock-row .mock-value { font-size: 0.95rem; font-weight: 700; color: var(--blue); }

.mock-chip {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  padding: 4px 9px;
  margin-bottom: 10px;
}

.mock-bubble {
  border-radius: 16px;
  padding: 12px 14px;
  font-size: 0.86rem;
  line-height: 1.45;
  margin-bottom: 10px;
  max-width: 88%;
}
.mock-bubble.user {
  background: var(--blue-soft);
  color: var(--text);
  margin-left: auto;
}
.mock-bubble.assistant {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

/* --- Feature grid -------------------------------------------------------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.92rem; }

/* --- Hero ---------------------------------------------------------------- */

.hero {
  padding: 80px 0 64px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding: 56px 0 40px; } }

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  letter-spacing: -0.01em;
}
.hero .lede {
  font-size: 1.15rem;
  max-width: 46ch;
  margin: 20px 0 30px;
  line-height: 1.6;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Legal sections (preserved content, restyled) ------------------------- */

.legal-section h2 { font-size: 1.9rem; color: var(--text); margin-bottom: 6px; }
.legal-updated {
  color: var(--text-faint);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 32px;
}
.legal-section h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
  border-left: 3px solid var(--blue);
  padding-left: 12px;
  margin: 32px 0 10px;
}
.legal-section h3:first-of-type { margin-top: 0; }
.legal-section p { margin: 0 0 14px; font-size: 0.95rem; }
.legal-section p:last-child { margin-bottom: 0; }

/* --- Footer ---------------------------------------------------------------- */

footer.site-footer {
  padding: 40px 0 60px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}
footer.site-footer a { color: var(--text-faint); }
footer.site-footer a:hover { color: var(--blue); }
footer.site-footer .sep { margin: 0 10px; color: var(--border); }

/* --- Utility --------------------------------------------------------------- */

.center { text-align: center; }
.hidden { display: none !important; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.muted { color: var(--text-faint); font-size: 0.85rem; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}