/* Named family palettes. Burton is the FOUC-safe default on :root.
   Add html[data-brand="rabun"] (and tallulah) blocks later; do not replace :root. */

:root,
:root[data-theme="light"],
html[data-brand="burton"],
html[data-brand="burton"][data-theme="light"] {
  --color-bg: #fbfcfd;
  --color-surface: #f4f8fb;
  --color-fg: #14283a;
  --color-muted: #4f6778;
  --color-border: #d7e8f2;
  --color-accent: #2a5f7d;
  --color-accent-contrast: #f7fbfe;
  --shadow-color: 16 40 63;
  --color-code-bg: #e8f0f6;
  --color-code-fg: #14283a;
  --color-pre-bg: #eef4f8;
  --color-pre-fg: #14283a;
}

@media (prefers-color-scheme: dark) {
  :root,
  html[data-brand="burton"] {
    --color-bg: #0d1a28;
    --color-surface: #16324f;
    --color-fg: #e8eef3;
    --color-muted: #9eb0bc;
    --color-border: #2a4560;
    --color-accent: #8ec4e0;
    --color-accent-contrast: #0d1a28;
    --shadow-color: 0 0 0;
    --color-code-bg: #16324f;
    --color-code-fg: #e8eef3;
    --color-pre-bg: #0b1520;
    --color-pre-fg: #e8eef3;
  }
}

:root[data-theme="dark"],
html[data-brand="burton"][data-theme="dark"] {
  --color-bg: #0d1a28;
  --color-surface: #16324f;
  --color-fg: #e8eef3;
  --color-muted: #9eb0bc;
  --color-border: #2a4560;
  --color-accent: #8ec4e0;
  --color-accent-contrast: #0d1a28;
  --shadow-color: 0 0 0;
  --color-code-bg: #16324f;
  --color-code-fg: #e8eef3;
  --color-pre-bg: #0b1520;
  --color-pre-fg: #e8eef3;
}

.hero-with-media .hero-title {
  max-width: 16ch;
}

.hero-media-stack {
  aspect-ratio: 2 / 1;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.hero-media-stack::before {
  content: none;
}

.hero-shot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) + var(--space-1));
  background: var(--color-surface-strong);
  box-shadow: var(--shadow-overlay);
}

.hero-media-stack .hero-shot {
  position: absolute;
  width: 78%;
  height: auto;
  border-block-start: 0;
}

.hero-shot-dark {
  top: 0;
  right: 0;
  z-index: 1;
}

.hero-shot-light {
  left: 0;
  bottom: 0;
  z-index: 2;
}

@media (max-width: 900px) {
  .hero-media-stack {
    width: min(100%, 36rem);
    margin-inline: auto;
  }
}

.home-learn-cta .hero-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-gate {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  background: var(--color-bg);
}

html.site-gate-unlocked .site-gate,
.site-gate[hidden] {
  display: none;
}

html:has(#site-gate):not(.site-gate-unlocked) {
  overflow: hidden;
}

.site-gate-card {
  width: min(100%, 24rem);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-overlay);
}

.site-gate-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.site-gate-mark {
  display: block;
  width: 2rem;
  height: 2rem;
}

.site-gate-brand-text {
  font-weight: 700;
  letter-spacing: var(--tracking-heading);
}

.site-gate-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-heading);
}

.site-gate-copy {
  margin: 0 0 var(--space-6);
  color: var(--color-muted);
}

.site-gate-form {
  display: grid;
  gap: var(--space-3);
}

.site-gate-label {
  font-size: var(--text-sm);
  font-weight: 700;
}

.site-gate-input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.7rem var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-fg);
  font: inherit;
}

.site-gate-input:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

.site-gate-error {
  margin: 0;
  min-height: 1.25em;
  color: #b42318;
  font-size: var(--text-sm);
}

:root[data-theme="dark"] .site-gate-error,
html[data-brand="burton"][data-theme="dark"] .site-gate-error {
  color: #f97066;
}

.site-gate-submit {
  justify-self: start;
  margin-top: var(--space-2);
}

.site-gate noscript .site-gate-copy {
  margin: var(--space-4) 0 0;
}