/* ─── Brand tokens ────────────────────────────────────────────────────────── */
:root {
  --st-orange: #f97316;
  --st-orange-dim: #ea6a08;
  --st-surface: #0f111a;
  --st-surface-raised: #161926;
  --st-border: rgba(255, 255, 255, 0.07);
}

/* Dark mode (slate scheme) */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color:        #0f111a;
  --md-primary-fg-color--light: #161926;
  --md-primary-fg-color--dark:  #080a11;
  --md-accent-fg-color:         var(--st-orange);
  --md-default-bg-color:        #0f111a;
  --md-default-bg-color--light: #161926;
  --md-code-bg-color:           #161926;
  --md-typeset-a-color:         var(--st-orange);
}

/* Light mode (default scheme) */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #0f111a;
  --md-primary-fg-color--light: #1e2130;
  --md-primary-fg-color--dark:  #080a11;
  --md-accent-fg-color:         var(--st-orange);
  --md-typeset-a-color:         var(--st-orange-dim);
  --md-code-bg-color:           #f4f5f7;
}

/* ─── Colorblind-friendly palette (3rd toggle) ────────────────────────────── */
/*
   Uses blue (#1d6fa4) + amber (#f59e0b) — safe for deuteranopia,
   protanopia, and tritanopia. No red/green distinction required.
*/
[data-md-color-scheme="default"][data-md-color-accent="custom"] {
  --md-accent-fg-color:   #1d6fa4;
  --md-typeset-a-color:   #1d6fa4;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.md-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 200 !important;
  background-color: #080a11;
  border-bottom: 1px solid var(--st-border);
  box-shadow: none;
}

.md-header__title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ─── Hero ────────────────────────────────────────────────────────────────── */
.st-hero__logo-wrap {
  position: absolute;
  left: -8%;
  bottom: 0;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.st-hero__bg-logo {
  display: block;
  height: clamp(180px, 45vw, 640px) !important;
  width: auto !important;
  max-width: none !important;
  opacity: 0.15;
  filter: saturate(0) brightness(2);
}

[data-md-color-scheme="default"] .st-hero__bg-logo {
  opacity: 0.07;
  filter: saturate(0) brightness(0);
}

.st-hero__content {
  position: relative;
  z-index: 1;
}

.st-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  background: linear-gradient(160deg, #0f111a 60%, #1a0d05 100%);
  border-bottom: 1px solid var(--st-border);
  margin: -1.5rem -1.5rem 3rem;
}

[data-md-color-scheme="default"] .st-hero {
  background: linear-gradient(160deg, #f4f5f7 60%, #fff4ed 100%);
  border-bottom: 1px solid #e5e7eb;
}

.st-hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--st-orange);
  margin-bottom: 1.25rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(249, 115, 22, 0.35);
  border-radius: 999px;
  background: rgba(249, 115, 22, 0.08);
}

.st-hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  border: none;
  color: #f8fafc;
}

[data-md-color-scheme="default"] .st-hero h1 {
  color: #0f111a;
}

.st-hero__sub {
  font-size: 1.15rem;
  color: #94a3b8;
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

[data-md-color-scheme="default"] .st-hero__sub {
  color: #475569;
}

/* ─── Install block ───────────────────────────────────────────────────────── */
.st-install {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #161926;
  border: 1px solid var(--st-border);
  border-radius: 10px;
  padding: 0.65rem 1.1rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  color: #e2e8f0;
  margin-bottom: 2rem;
}

[data-md-color-scheme="default"] .st-install {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #0f172a;
}

.st-install__prompt {
  color: var(--st-orange);
  user-select: none;
}

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.st-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.st-badges img {
  height: 20px;
}

/* ─── Feature grid ────────────────────────────────────────────────────────── */
.st-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.st-card {
  background: #161926;
  border: 1px solid var(--st-border);
  border-radius: 12px;
  padding: 1.4rem 1.25rem;
  transition: border-color 0.15s, transform 0.15s;
}

[data-md-color-scheme="default"] .st-card {
  background: #f8fafc;
  border-color: #e2e8f0;
}

.st-card:hover {
  border-color: var(--st-orange);
  transform: translateY(-2px);
}

.st-card__icon {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.st-card__title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: #f1f5f9;
}

[data-md-color-scheme="default"] .st-card__title {
  color: #0f111a;
}

.st-card__body {
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.55;
}

[data-md-color-scheme="default"] .st-card__body {
  color: #64748b;
}

/* ─── CTA buttons ─────────────────────────────────────────────────────────── */
.st-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 2.5rem 0 1rem;
}

.st-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: opacity 0.15s, transform 0.15s;
}

.st-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.st-btn--primary {
  background: var(--st-orange);
  color: #fff !important;
}

.st-btn--ghost {
  background: transparent;
  border: 1px solid var(--st-border);
  color: #cbd5e1 !important;
}

[data-md-color-scheme="default"] .st-btn--ghost {
  border-color: #cbd5e1;
  color: #475569 !important;
}

/* ─── Kill header title cross-fade — instant swap, no visible animation ──── */
.md-header__topic {
  transition: none !important;
  animation: none !important;
}

/* ─── Nav tweaks ──────────────────────────────────────────────────────────── */
.md-nav__title {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.7rem;
  text-transform: uppercase;
}

/* ─── Code blocks ─────────────────────────────────────────────────────────── */
.md-typeset code {
  font-size: 0.85em;
}

/* ─── Mobile bottom nav ───────────────────────────────────────────────────── */
.st-bottom-nav {
  display: none;
}

@media (max-width: 1219px) {
  /* Flex layout: body is the column, md-container scrolls, nav is pinned at bottom.
     No position:fixed needed — avoids all browser/DevTools fixed-positioning bugs. */
  html,
  body {
    height: 100% !important;
    overflow: hidden !important;
  }

  body {
    display: flex !important;
    flex-direction: column !important;
  }

  /* md-container is the scrolling area — takes all space above the nav */
  .md-container {
    flex: 1 1 auto !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    padding-top: 0 !important;
    margin-top: 0 !important;
  }

  /* hide top header and tabs — bottom nav is the only nav on mobile */
  .md-header,
  .md-tabs {
    display: none !important;
  }

  /* clear any top padding added for the hidden header */
  .md-main,
  .md-main__inner {
    padding-top: 0 !important;
    margin-top: 0 !important;
  }

  /* nav is a static flex child — sits below md-container, never moves */
  .st-bottom-nav {
    display: flex !important;
    flex-shrink: 0 !important;
    position: static !important;
    width: 100%;
    background: #080a11;
    border-top: 1px solid var(--st-border);
    min-height: 56px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    z-index: 9999;
  }

  [data-md-color-scheme="default"] .st-bottom-nav {
    background: #fff;
    border-top-color: #e2e8f0;
  }

  .st-bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.6rem 0.25rem;
    text-decoration: none !important;
    color: #64748b !important;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.15s;
  }

  .st-bottom-nav__item svg {
    width: 1.35rem;
    height: 1.35rem;
    fill: currentColor;
  }

  .st-bottom-nav__item:hover,
  .st-bottom-nav__item--active {
    color: var(--st-orange) !important;
  }

  /* hero top padding is the visual gap on mobile — tighten it */
  .st-hero {
    padding-top: 1.5rem !important;
  }
}

/* ─── Colorblind: swap accent everywhere it matters ───────────────────────── */
[data-md-color-accent="custom"] .md-typeset a,
[data-md-color-accent="custom"] .md-nav__link--active,
[data-md-color-accent="custom"] .md-nav__link:hover {
  color: #1d6fa4 !important;
}

[data-md-color-accent="custom"] .st-card:hover {
  border-color: #1d6fa4;
}

[data-md-color-accent="custom"] .st-btn--primary {
  background: #1d6fa4;
}

[data-md-color-accent="custom"] .st-hero__eyebrow {
  color: #1d6fa4;
  border-color: rgba(29, 111, 164, 0.35);
  background: rgba(29, 111, 164, 0.08);
}

[data-md-color-accent="custom"] .st-install__prompt {
  color: #1d6fa4;
}