/* SuperBased Design System v1
   Canonical reference: docs/DESIGN_LANGUAGE.md
   Loaded by every page in website/. Owns tokens + primitives. */

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Brand accents — only two */
  --accent-primary:    #00d4ff;
  --accent-primary-d:  rgba(0,212,255,0.12);
  --accent-secondary:  #34d399;
  --accent-secondary-d:rgba(52,211,153,0.12);

  /* Grayscale ramp — dark surfaces */
  --bg-dark-0: #06080d;
  --bg-dark-1: #0c1019;
  --bg-dark-2: #111623;
  --text-dark-pri: #e8ecf4;
  --text-dark-sec: #8892a8;
  --text-dark-mut: #545f78;
  --border-dark:  rgba(255,255,255,0.08);

  /* Grayscale ramp — light surfaces */
  --bg-light-0: #ffffff;
  --bg-light-1: #f5f7fb;
  --bg-light-2: #ebeef5;
  --text-light-pri: #0c1019;
  --text-light-sec: #4a5468;
  --text-light-mut: #8892a8;
  --border-light:  rgba(0,0,0,0.08);

  /* Spacing & rhythm */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 96px;
  --space-2xl: 144px;

  /* Container — one canonical width */
  --container: min(1200px, 92vw);

  /* Type */
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --type-hero: clamp(48px, 7vw, 96px);
  --type-h2:   clamp(32px, 4vw, 56px);
  --type-h3:   24px;
  --type-body: 18px;
  --type-small: 15px;

  /* Radius */
  --radius:    16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-dark:  0 40px 100px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-light: 0 20px 60px -16px rgba(15,30,60,0.18), 0 0 0 1px rgba(0,0,0,0.04);

  /* Motion */
  --ease: cubic-bezier(.2,.8,.2,1);
}

/* ============================================================
   GLOBAL RESET / BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: var(--type-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-dark-0);
  color: var(--text-dark-pri);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

p { margin: 0; }

/* ============================================================
   PRIMITIVE 1: sb-section
   ============================================================ */
.sb-section {
  padding: var(--space-xl) 0;
  position: relative;
}
.sb-section-inner {
  width: var(--container);
  margin: 0 auto;
}
/* Single dark canvas. Every section is bg-dark-0. Section breaks via spacing,
   eyebrow labels, and an optional thin accent divider — no bg tier shifts.
   The earlier tier system (deep/default/raised) read as "white panel out of nowhere"
   when surrounded by darker sections, so we flattened to one canvas.
   See DESIGN_LANGUAGE §2. */
.sb-section-dark,
.sb-section-light,
.sb-section-raised {
  background: var(--bg-dark-0);
  color: var(--text-dark-pri);
  position: relative;
}
.sb-section-dark.sb-section-deep,
.sb-section-light.sb-section-tinted,
.sb-section-raised.sb-section-tinted { background: var(--bg-dark-0); }

/* Subtle accent divider on top edge of "lifted-feel" sections — marks the
   transition without shouting. Applied via a modifier class so authoring
   stays explicit about where act boundaries should be visually marked. */
.sb-section-divider::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-primary-d) 50%, transparent 100%);
  pointer-events: none;
}

.sb-section-dark a:not(.sb-btn):not(.sb-pill),
.sb-section-light a:not(.sb-btn):not(.sb-pill),
.sb-section-raised a:not(.sb-btn):not(.sb-pill) { color: var(--accent-primary); }

.sb-section-dark h1, .sb-section-dark h2, .sb-section-dark h3,
.sb-section-light h1, .sb-section-light h2, .sb-section-light h3,
.sb-section-raised h1, .sb-section-raised h2, .sb-section-raised h3 { color: var(--text-dark-pri); }

.sb-section-dark p,
.sb-section-light p,
.sb-section-raised p { color: var(--text-dark-sec); }

/* Section openers */
.sb-h2 {
  font-size: var(--type-h2);
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.sb-h2-accent { color: var(--accent-primary); }
.sb-h2-accent-secondary { color: var(--accent-secondary); }
.sb-eyebrow {
  font-size: var(--type-small);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  display: block;
}
.sb-section-light .sb-eyebrow,
.sb-section-raised .sb-eyebrow { color: var(--accent-secondary); }

.sb-lede {
  font-size: 20px;
  line-height: 1.55;
  max-width: 640px;
  margin-top: var(--space-sm);
}

/* ============================================================
   PRIMITIVE 2: sb-card
   Flex column with footer-anchored CTA via margin-top: auto.
   ============================================================ */
.sb-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
/* Cards on a raised tier surface need slightly more contrast against their bg */
.sb-section-light .sb-card,
.sb-section-raised .sb-card {
  background: var(--bg-dark-1);
  border-color: var(--border-dark);
}
.sb-card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}
.sb-card-body { flex: 1 1 auto; }
.sb-card-footer { margin-top: auto; padding-top: var(--space-md); }

/* Accent stripe at top — uses --icon-color so card sets ONE token */
.sb-card-accent {
  position: relative;
  --icon-color: var(--accent-primary);
}
.sb-card-accent::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--icon-color);
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ============================================================
   PRIMITIVE 3: sb-pill
   Trust pill. Replaces all third-party shields.
   ============================================================ */
.sb-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-dark);
  background: rgba(255,255,255,0.03);
  color: var(--text-dark-sec);
  transition: border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.sb-pill:hover { border-color: var(--accent-primary); color: var(--text-dark-pri); }

.sb-section-light .sb-pill,
.sb-section-raised .sb-pill {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-dark);
  color: var(--text-dark-sec);
}
.sb-section-light .sb-pill:hover,
.sb-section-raised .sb-pill:hover { border-color: var(--accent-primary); color: var(--text-dark-pri); }

.sb-pill-primary {
  border-color: rgba(0,212,255,0.4);
  background: var(--accent-primary-d);
  color: var(--accent-primary);
}
.sb-pill-success {
  border-color: rgba(52,211,153,0.4);
  background: var(--accent-secondary-d);
  color: var(--accent-secondary);
}
.sb-pill-num {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
}
.sb-pill-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  justify-content: center;
}

/* ============================================================
   PRIMITIVE 4: sb-media
   Aspect-ratio enforced media wrapper.
   ============================================================ */
.sb-media {
  display: block;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--bg-dark-2);
  box-shadow: var(--shadow-dark);
}
.sb-section-light .sb-media,
.sb-section-raised .sb-media { box-shadow: var(--shadow-dark); }

.sb-media[data-aspect="16:9"] { aspect-ratio: 16/9; }
.sb-media[data-aspect="4:3"]  { aspect-ratio: 4/3; }
.sb-media[data-aspect="3:2"]  { aspect-ratio: 3/2; }

.sb-media img,
.sb-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.sb-media-frame {
  /* Faux-browser chrome wrapper for product shots */
  border-radius: var(--radius);
  overflow: hidden;
}

/* ============================================================
   PRIMITIVE 5: sb-logo
   One SVG, theme-aware via currentColor.
   ============================================================ */
.sb-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: inherit;
}
.sb-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #6366f1 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

/* ============================================================
   PRIMITIVE 6: sb-icon
   Inherits color from parent's --icon-color custom property.
   ============================================================ */
.sb-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--icon-color, var(--accent-primary)) 12%, transparent);
  color: var(--icon-color, var(--accent-primary));
  flex-shrink: 0;
}
.sb-icon svg { width: 20px; height: 20px; }

/* ============================================================
   PRIMITIVE 7: sb-anim — animation wrapper
   ============================================================ */
.sb-anim { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.sb-anim.is-in { opacity: 1; transform: none; }
.sb-anim-fade { transform: none; }
.sb-anim-fade.is-in { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .sb-anim { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.sb-btn-primary {
  background: var(--accent-primary);
  color: #06080d;
}
.sb-btn-primary:hover { transform: translateY(-1px); filter: brightness(1.08); }
.sb-btn-secondary {
  background: transparent;
  border-color: var(--border-dark);
  color: var(--text-dark-pri);
}
.sb-btn-secondary:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

/* ============================================================
   HEADER (top nav)
   ============================================================ */
.sb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px) saturate(180%);
  background: rgba(6,8,13,0.7);
  border-bottom: 1px solid var(--border-dark);
}
.sb-header-inner {
  width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}
.sb-nav {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.sb-nav a {
  color: var(--text-dark-sec);
  font-size: 15px;
  font-weight: 500;
  transition: color .15s var(--ease);
}
.sb-nav a:hover { color: var(--text-dark-pri); }
.sb-nav .sb-btn { padding: 10px 18px; font-size: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
.sb-footer {
  background: var(--bg-dark-0);
  color: var(--text-dark-mut);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--border-dark);
}
.sb-footer-inner {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-lg);
}
.sb-footer h4 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark-sec);
  margin-bottom: var(--space-sm);
}
.sb-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-xs); }
.sb-footer a { color: var(--text-dark-mut); font-size: 14px; transition: color .15s var(--ease); }
.sb-footer a:hover { color: var(--text-dark-pri); }
.sb-footer-bottom {
  width: var(--container);
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 13px;
}

/* ============================================================
   GRID HELPERS
   ============================================================ */
.sb-grid { display: grid; gap: var(--space-md); }
.sb-grid-2 { grid-template-columns: repeat(2, 1fr); }
.sb-grid-3 { grid-template-columns: repeat(3, 1fr); }
.sb-grid-4 { grid-template-columns: repeat(4, 1fr); }
.sb-stack { display: flex; flex-direction: column; gap: var(--space-md); }
.sb-row { display: flex; gap: var(--space-sm); align-items: center; flex-wrap: wrap; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .sb-grid-2, .sb-grid-3, .sb-grid-4 { grid-template-columns: 1fr; }
  .sb-footer-inner { grid-template-columns: 1fr 1fr; }
  .sb-nav .sb-nav-links { display: none; }
  :root { --space-xl: 64px; --space-2xl: 96px; }
}
@media (max-width: 600px) {
  .sb-footer-inner { grid-template-columns: 1fr; }
  :root { --space-xl: 48px; --space-lg: 32px; }
}