/* Who's Up — Public Website Stylesheet
 * Single source of truth visual system matched to the mobile app design tokens.
 * Colors: Deep midnight navy (#0a1330), Moonlight cream (#f5ecd9), Awake amber (#e8a355).
 */

/* ==========================================================================
   1. Typography & Font Face Declarations
   ========================================================================== */

@font-face {
  font-family: 'Barlow Condensed';
  src: url('./fonts/BarlowCondensed-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Barlow Condensed';
  src: url('./fonts/BarlowCondensed-Black.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter Tight';
  src: url('./fonts/InterTight-Variable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   2. Design Tokens & CSS Variables
   ========================================================================== */

:root {
  /* Palette matching theme.ts */
  --bg: #0a1330;
  --bg-deep: #060b1e;
  --bg-elevated: rgba(245, 236, 217, 0.06);
  --bg-elevated-hover: rgba(245, 236, 217, 0.10);
  --bg-overlay: rgba(245, 236, 217, 0.08);

  --accent: #f5ecd9;
  --accent-glow: rgba(245, 236, 217, 0.35);
  --accent-soft: rgba(245, 236, 217, 0.15);

  --awake: #e8a355;
  --awake-glow: rgba(232, 163, 85, 0.35);
  --awake-subtle: rgba(232, 163, 85, 0.12);

  --text-primary: #f5ecd9;
  --text-secondary: rgba(245, 236, 217, 0.78);
  --text-muted: rgba(245, 236, 217, 0.55);
  --text-dim: rgba(245, 236, 217, 0.35);

  --border: rgba(245, 236, 217, 0.14);
  --border-strong: rgba(245, 236, 217, 0.34);
  --border-subtle: rgba(245, 236, 217, 0.08);

  --error: #ff6b6b;
  --error-bg: rgba(255, 107, 107, 0.12);
  --error-border: rgba(255, 107, 107, 0.3);

  /* Radii matching theme.ts */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 26px;
  --radius-pill: 9999px;

  /* Typography Stacks */
  --font-display: 'Barlow Condensed', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-med: 250ms;
}

/* ==========================================================================
   3. Base Reset & Accessibility
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip link for screen reader and keyboard accessibility */
.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  background: var(--accent);
  color: var(--bg);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  z-index: 99999;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: top var(--duration-fast) var(--ease-spring);
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Visible Keyboard Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

a:hover {
  text-decoration: underline;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* ==========================================================================
   4. Atmospheric Background (Gradient + Orbit Wave Motion)
   ========================================================================== */

.bg-atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 50% 15%, #131f45 0%, #0a1330 55%, #050b1e 100%);
}

.bg-waves-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  display: flex;
  opacity: 0.9;
  animation: driftOrbitWaves 26s linear infinite;
  will-change: transform;
}

.bg-waves-svg {
  width: 50%;
  height: 100%;
  flex-shrink: 0;
}

@keyframes driftOrbitWaves {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

/* ==========================================================================
   5. Global Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 19, 48, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.brand-link:hover {
  text-decoration: none;
  opacity: 0.9;
}

.brand-icon {
  width: 26px;
  height: 26px;
  color: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-nav-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 4px;
  transition: color var(--duration-fast) ease;
  white-space: nowrap;
}

.header-nav-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.header-cta-pill {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all var(--duration-fast) ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.header-cta-pill:hover {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

@media (max-width: 680px) {
  .site-header {
    padding: 10px 14px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-link {
    font-size: 1.25rem;
    gap: 8px;
  }

  .brand-icon {
    width: 22px;
    height: 22px;
  }

  .header-nav {
    gap: 8px;
  }

  .header-nav .nav-extra {
    display: none;
  }

  .header-nav-link {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    padding: 4px 6px;
  }

  .header-cta-pill {
    padding: 6px 12px;
    font-size: 0.82rem;
    min-height: 32px;
  }
}

/* ==========================================================================
   6. Shared Layout & Containers
   ========================================================================== */

.page-container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  flex: 1;
}

.legal-container {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  flex: 1;
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */

.hero-section {
  padding: 64px 0 80px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.status-dot-mini {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--awake);
  box-shadow: 0 0 8px var(--awake-glow);
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 5vw + 1rem, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin: 0 0 20px;
  text-wrap: balance;
}

.hero-supporting {
  font-size: clamp(1.05rem, 1.2vw + 0.5rem, 1.25rem);
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 32px;
  max-width: 520px;
}

.hero-supporting strong {
  color: var(--accent);
  font-weight: 600;
}

.store-buttons-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

/* Store Badge Buttons */
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  text-decoration: none;
  min-height: 52px;
  transition: all var(--duration-fast) var(--ease-spring);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.store-btn:hover {
  background: var(--bg-elevated-hover);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
  text-decoration: none;
}

.store-btn:active {
  transform: translateY(0);
  opacity: 0.9;
}

.store-icon {
  width: 24px;
  height: 24px;
  fill: var(--accent);
  flex-shrink: 0;
}

.store-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-btn-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.1;
}

.store-btn-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--accent);
  line-height: 1.15;
}

.hero-subnote {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin: 0;
}

/* ==========================================================================
   8. Hero Centerpiece: Moon Button & App Frame Simulation
   ========================================================================== */

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.app-preview-card {
  width: 100%;
  max-width: 340px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(245, 236, 217, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.preview-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.preview-meta-row {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 0 8px;
}

.preview-meta-live {
  color: var(--text-secondary);
}

/* Glowing Circular Moon Button Visual (CSS recreation of GlassMoonButton) */
.glass-moon-control,
.moon-control,
.moon-button {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at 50% 30%, rgba(245, 236, 217, 0.12) 0%, rgba(245, 236, 217, 0.03) 60%, rgba(245, 236, 217, 0) 100%);
  border: 2.4px solid rgba(245, 236, 217, 0.85);
  box-shadow: 0 0 32px rgba(245, 236, 217, 0.16), inset 0 0 24px rgba(245, 236, 217, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  margin-bottom: 28px;
  transition: all var(--duration-med) var(--ease-spring);
  cursor: default;
}

.glass-moon-control:hover,
.moon-control:hover,
.moon-button:hover {
  border-color: var(--accent);
  box-shadow: 0 0 44px rgba(245, 236, 217, 0.28), inset 0 0 30px rgba(245, 236, 217, 0.12);
  transform: scale(1.02);
}

.moon-control-arc {
  position: absolute;
  top: 14px;
  width: 130px;
  height: 40px;
  border-top: 1.2px solid rgba(245, 236, 217, 0.25);
  border-radius: 50% 50% 0 0;
  pointer-events: none;
}

.moon-glyph-svg {
  width: 22px;
  height: 22px;
  margin-bottom: 12px;
  color: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.moon-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0 0 6px;
}

.moon-sublabel {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}

/* Circle preview mockup list */
.preview-circle-preview {
  width: 100%;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.preview-circle-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 12px 6px;
}

.preview-friend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(245, 236, 217, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 6px;
}

.preview-friend-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
}

.preview-friend-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.status-dot-active {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ==========================================================================
   9. Section Headers & Text
   ========================================================================== */

.section {
  padding: 72px 0;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
  margin: 0;
  border: none;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0 0 16px;
}

.section-subtitle {
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ==========================================================================
   10. Glass Cards & Grids
   ========================================================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.glass-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--duration-fast) ease, transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(245, 236, 217, 0.08);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.65rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin: 0 0 12px;
}

.card-body {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* 2x2 Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.value-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.value-icon-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--awake);
  box-shadow: 0 0 8px var(--awake-glow);
  flex-shrink: 0;
}

.value-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin: 0;
}

/* ==========================================================================
   11. Closing Call-To-Action Card
   ========================================================================== */

.closing-cta-card {
  background: radial-gradient(circle at 50% 0%, rgba(245, 236, 217, 0.1) 0%, rgba(245, 236, 217, 0.04) 60%, rgba(10, 19, 48, 0.6) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 56px 36px;
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 0 40px rgba(245, 236, 217, 0.06);
  max-width: 860px;
  margin: 0 auto;
}

.closing-moon-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto 20px;
  color: var(--accent);
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.closing-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 4vw + 0.5rem, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0 0 16px;
}

.closing-desc {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 36px;
}

.closing-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   12. Legal & Subpage Styles (Support, Privacy, Terms, Child Safety, Delete)
   ========================================================================== */

.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.page-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
  text-decoration: none;
}

.page-back-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.page-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 4vw + 0.5rem, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0 0 10px;
}

.page-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0;
}

.doc-content {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.doc-content h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--accent);
  margin: 44px 0 16px;
  padding-top: 12px;
}

.doc-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--accent);
  margin: 28px 0 10px;
}

.doc-content p {
  margin: 0 0 18px;
}

.doc-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.doc-content em {
  font-style: italic;
  color: var(--text-primary);
}

.doc-content ul, .doc-content ol {
  margin: 0 0 22px;
  padding-left: 24px;
}

.doc-content li {
  margin-bottom: 8px;
}

.doc-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

.doc-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 24px;
  margin: 24px 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.doc-card h3 {
  margin-top: 0;
}

.doc-callout {
  border-left: 3px solid var(--accent);
  background: rgba(245, 236, 217, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.doc-warning {
  border-left: 3px solid var(--error);
  background: var(--error-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.doc-warning strong {
  color: var(--error);
}

/* ==========================================================================
   13. Footer
   ========================================================================== */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: rgba(10, 19, 48, 0.9);
  padding: 48px 24px 36px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  max-width: 340px;
}

.footer-brand-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--accent);
  margin-bottom: 8px;
  text-decoration: none;
}

.footer-brand-title:hover {
  text-decoration: none;
}

.footer-tagline {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

.footer-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   14. Responsive Breakpoints
   ========================================================================== */

@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 40px 0 64px;
  }

  .hero-content {
    align-items: center;
    text-align: center;
  }

  .hero-supporting {
    max-width: 100%;
  }

  .store-buttons-group {
    justify-content: center;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 12px 16px;
  }

  .page-container, .legal-container {
    padding: 0 16px;
  }

  .legal-container {
    padding-top: 32px;
    padding-bottom: 64px;
  }

  .hero-section {
    padding: 28px 0 48px;
  }

  .store-btn {
    width: 100%;
    justify-content: center;
  }

  .glass-card, .value-card {
    padding: 24px 20px;
  }

  .closing-cta-card {
    padding: 40px 20px;
  }

  .closing-buttons .store-btn {
    width: 100%;
  }

  .glass-moon-control,
  .moon-control,
  .moon-button {
    width: 200px;
    height: 200px;
  }

  .moon-headline {
    font-size: 1.95rem;
  }

  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ==========================================================================
   15. Motion Accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .bg-waves-track {
    animation: none !important;
  }

  .glass-moon-control:hover,
  .moon-control:hover,
  .moon-button:hover,
  .glass-card:hover,
  .store-btn:hover {
    transform: none !important;
  }
}