/**
 * Product marketing home — thin layer on landings rhythm.
 * Visual contract stays in Caustica Design tokens / component classes.
 */

/*
 * Landing optical glass — more transparent so the Scene 01 caustic field
 * refracts through nav / buttons / panels. Layout, type, and spacing unchanged.
 */
.lp {
  --glass-surface: oklch(
    0.46 calc(0.055 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.14 * var(--ca-glass-fill)))
  );
  --glass-surface-strong: oklch(
    0.5 calc(0.06 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.24 * var(--ca-glass-fill)))
  );
  --glass-border: oklch(
    0.78 calc(0.08 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.22 * var(--ca-glass-edge)))
  );
  --glass-highlight: oklch(
    0.92 calc(0.05 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.4 * var(--ca-glass-edge)))
  );
  --glass-rim: oklch(
    0.84 calc(0.06 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.3 * var(--ca-glass-edge)))
  );
  --glass-shadow: oklch(
    0.06 calc(0.03 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.48 * var(--ca-glass-edge)))
  );
  --glass-blur: var(--ca-blur-glass);
  --glass-fill: oklch(
    0.46 calc(0.055 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.12 * var(--ca-glass-fill)))
  );
  --grain-opacity: 0.03;
}

html[data-theme='light'] .lp {
  --glass-surface: oklch(
    0.99 calc(0.015 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.42 * var(--ca-glass-fill)))
  );
  --glass-surface-strong: oklch(
    0.995 calc(0.01 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.62 * var(--ca-glass-fill)))
  );
  --glass-border: oklch(
    0.55 calc(0.05 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.14 * var(--ca-glass-edge)))
  );
  --glass-highlight: oklch(
    0.98 calc(0.02 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.62 * var(--ca-glass-edge)))
  );
  --glass-rim: oklch(
    0.92 calc(0.03 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.4 * var(--ca-glass-edge)))
  );
  --glass-shadow: oklch(
    0.45 calc(0.04 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.16 * var(--ca-glass-edge)))
  );
  --glass-blur: var(--ca-blur-glass);
  --glass-fill: oklch(
    0.99 calc(0.012 * var(--ca-chroma)) var(--ca-hue) / min(1, calc(0.38 * var(--ca-glass-fill)))
  );
  --grain-opacity: 0.035;
}

/* Hero + section glass controls — inherit field light through clearer glass. */
.lp .btn:not(.btn-primary):not(.btn-danger):not(.btn-ghost) {
  --btn-bg: color-mix(in oklab, var(--glass-surface-strong) 70%, transparent);
  box-shadow:
    0 0 0 0.5px color-mix(in oklab, var(--glass-highlight) 28%, transparent) inset,
    0 1px 0 0 color-mix(in oklab, white 14%, transparent) inset;
}

.lp .btn-primary {
  box-shadow:
    0 1px 0 0 color-mix(in oklab, white 28%, transparent) inset,
    0 0 0 0.5px color-mix(in oklab, var(--ca-caustic-sky-bright) 18%, transparent) inset,
    0 1px 2px color-mix(in oklab, oklch(0.04 0.02 260) 18%, transparent),
    0 8px 22px -10px color-mix(in oklab, var(--color-system-blue) 42%, transparent);
}

.lp .panel {
  box-shadow:
    0 0 0 0.5px color-mix(in oklab, var(--glass-highlight) 22%, transparent) inset,
    0 1px 0 0 color-mix(in oklab, white 10%, transparent) inset,
    var(--shadow);
}

.lp .panel::before {
  backdrop-filter: blur(var(--glass-blur)) saturate(170%) brightness(1.06);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%) brightness(1.06);
}

/*
 * Nav is a sibling above .lp-stage so sticky can pin for the full page.
 * (Sticky inside a short stage dies when the hero ends.)
 * Caustic extends upward under the island so nav + hero still share one field.
 */
.lp > .ui-navbar--sticky.ui-navbar--island {
  /* Keep above page content; island already sets z-index 50 — reinforce vs. stage. */
  z-index: 50;
}

/*
 * Mobile island drawer — hero copy overlaps the fixed menu vertically;
 * hide it while open so nav rows stay legible on the caustic field.
 */
@media (max-width: 63.999rem) {
  .lp:has(> .ui-navbar--island.is-open) .lp-stage > .lp-hero {
    visibility: hidden;
    pointer-events: none;
  }
}

/* Hash targets clear the sticky island instead of landing under it. */
.lp .lp-section[id] {
  scroll-margin-top: calc(5.25rem + env(safe-area-inset-top, 0px));
}

.lp-stage {
  /*
    Must match in-flow sticky island height (pad-block + inner + controls).
    4.75rem undershot (~76px vs ~82px) and left a dark strip above the caustic.
  */
  --lp-nav-underlap: 5.25rem;
  position: relative;
  isolation: isolate;
  /* Don’t set overflow:hidden here — it breaks sticky island. */
  /* Pull stage up so the caustic sits under the in-flow sticky island. */
  margin-block-start: calc(-1 * var(--lp-nav-underlap));
  min-height: 100vh;
}

/* Desktop: fixed full viewport — classic vh, not svh/dvh. */
@media (min-width: 768px) and (hover: hover) {
  .lp-stage {
    height: 100vh;
    min-height: 100vh;
  }
}

.lp-stage .lp-caustic {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  /* Size query so the rotating mark can cover the field at any angle. */
  container-type: size;
  /* Hero field only — paint containment; doesn’t touch brand-mark favicon. */
  contain: paint;
  transform: translateZ(0);
  /* Desktop first paint: deep navy void until WebGL is ready (no WebP). */
  background-color: var(--ca-caustic-void-dark);
}

html[data-theme='light'] .lp-stage .lp-caustic {
  background-color: var(--ca-caustic-void-light);
}

/* Legacy CSS mark field — never flash the old gradient/texture look. */
.lp-caustic .lp-caustic__mark {
  display: none !important;
}

/* WebP still — hidden unless live WebGL cannot run (`.is-still-fallback`). */
.lp-caustic__still {
  display: none;
}

.lp-caustic.is-still-fallback .lp-caustic__still {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center bottom;
  transform: scale(1.04);
  transform-origin: center bottom;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

html:not([data-theme='light']) .lp-caustic.is-still-fallback .lp-caustic__still--dark {
  display: block;
}

html[data-theme='light'] .lp-caustic.is-still-fallback .lp-caustic__still--light {
  display: block;
}

/* Live canvas — hidden until `.is-ready` (first frame painted). */
.lp-caustic__gl {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  object-fit: cover;
  filter: blur(1.35px);
  opacity: 0;
  transform: translateZ(0) scale(1.03);
  transform-origin: center bottom;
  transition: opacity 0.55s ease;
}

.lp-caustic__gl.is-ready {
  opacity: 1;
}

/*
  Light: same soft canvas treatment as dark — shader only swaps palette.
*/
html[data-theme='light'] .lp-caustic__gl.is-ready {
  opacity: 1;
}

/*
  Mid-layer atmosphere — Architectural void film: faint top glow, dark upper void.
  Desktop only; phones use the baked WebP (atmosphere included).
*/
.lp-stage .lp-caustic::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 70% 42% at 50% -6%,
      color-mix(in oklab, var(--ca-caustic-teal) 8%, transparent) 0%,
      transparent 58%
    ),
    linear-gradient(
      to bottom,
      color-mix(in oklab, var(--ca-caustic-void-dark) 55%, transparent) 0%,
      transparent 42%
    );
  mix-blend-mode: screen;
  opacity: 0.55;
}

html[data-theme='light'] .lp-stage .lp-caustic::after {
  mix-blend-mode: screen;
  opacity: 0.5;
  background:
    radial-gradient(
      ellipse 70% 42% at 50% -6%,
      color-mix(in oklab, var(--ca-caustic-ice) 28%, transparent) 0%,
      transparent 58%
    ),
    linear-gradient(
      to bottom,
      color-mix(in oklab, var(--ca-caustic-void-light) 20%, transparent) 0%,
      transparent 38%
    );
}

/*
  Thin hero: brand + one line + CTAs.
  Absolute over the stage; sit in the upper half with room under the
  sticky island — low enough that the void doesn’t read empty on tablets.
*/
.lp-stage > .lp-hero {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 0;
  padding:
    calc(var(--lp-nav-underlap) + clamp(3.25rem, 14vh, 8.5rem))
    var(--ca-space-4)
    var(--ca-space-8);
  text-align: center;
}

.lp-stage .lp-hero__copy {
  /* Wide enough for mark + full “Caustica Design” at --lp-brand-size. */
  position: relative;
  isolation: isolate;
  max-width: min(42rem, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Quiet water-void pocket behind type — caustics stay under the copy, not through it. */
.lp-stage .lp-hero__copy::before {
  content: '';
  position: absolute;
  inset: -18% -14% -10%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 72% 58% at 50% 42%,
    color-mix(in oklab, var(--ca-caustic-void-dark) 78%, transparent) 0%,
    color-mix(in oklab, var(--ca-caustic-void-dark) 42%, transparent) 48%,
    transparent 74%
  );
}

html[data-theme='light'] .lp-stage .lp-hero__copy::before {
  background: radial-gradient(
    ellipse 72% 58% at 50% 42%,
    color-mix(in oklab, var(--ca-caustic-sky-ink-deep) 48%, transparent) 0%,
    color-mix(in oklab, var(--ca-caustic-void-light) 32%, transparent) 48%,
    transparent 74%
  );
}

.lp-stage .lp-hero__brand-row {
  /*
    Cap type so the full title fits the copy column. Landings’ 5.5rem max
    overflowed 28rem and chopped background-clip:text mid-glyph.
  */
  --lp-brand-size: clamp(1.7rem, 2.6vw + 0.85rem, 3.1rem);
  justify-content: center;
  max-width: 100%;
  width: max-content;
}

.lp-stage .lp-hero__brand {
  /* Don’t flex-shrink the gradient title — clipped fill reads as chopped letters. */
  flex-shrink: 0;
  min-width: max-content;
  max-width: none;
}

.lp-stage .lp-hero__brand .brand-title,
.lp-stage .lp-hero__brand .brand-title__text {
  max-width: none;
}

.lp-stage .lp-hero__lede {
  max-width: 22rem;
  margin-inline: auto;
  margin-block-end: var(--ca-space-5);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--text);
}

.lp-stage .lp-hero__actions {
  justify-content: center;
}

/* Kill landings hero wash so nav + hero share one color field. */
.lp-stage .lp-hero::before {
  content: none;
}

@media (max-height: 40rem) {
  .lp-stage > .lp-hero {
    /* Short viewports: still clear the island, less air than tall tablets. */
    padding-block:
      calc(var(--lp-nav-underlap) + var(--ca-space-5))
      var(--ca-space-6);
  }
}

/*
  Phones + touch tablets (≤1023px): lite WebGL when allowed; baked WebP only as
  fallback. Stage breaks out to the small viewport (`svw`) and `--lp-vvw`
  (from wireHeroWebpViewport) can widen further when layout undershoots visualViewport.
  HERO_WEBP_MQ: keep in sync with site/assets/hero-viewport.js
 */
@media (max-width: 1023px), (hover: none) and (pointer: coarse) {
  /*
    Stable viewport height — not 100dvh. Dynamic vh grows/shrinks when mobile
    URL bars show or hide; resizing this stage after scroll-stop reads as a
    snap and fights the hero caustic layers.
  */
  .lp-stage {
    --lp-stage-w: max(100svw, var(--lp-vvw, 0px));
    width: var(--lp-stage-w);
    margin-inline: calc(50% - var(--lp-stage-w) / 2);
    height: auto;
    min-height: 100svh;
    overflow-x: clip;
    background-color: var(--ca-caustic-void-dark);
  }

  html[data-theme='light'] .lp-stage {
    background-color: var(--ca-caustic-void-light);
  }

  .lp-stage .lp-caustic {
    inset: 0;
    width: auto;
    height: auto;
    container-type: normal;
    contain: none;
    transform: none;
    overflow: hidden;
    background-color: transparent;
  }

  .lp-stage .lp-caustic::before,
  .lp-stage .lp-caustic::after {
    content: none !important;
  }

  /* Lite canvas: skip CSS blur — low-res already softens, blur taxes the GPU. */
  .lp-caustic.is-lite .lp-caustic__gl {
    filter: none;
    transform: translateZ(0);
  }
}

/* Reduced motion: keep the void / WebP still; don’t run the live canvas. */
@media (prefers-reduced-motion: reduce) {
  .lp-caustic__gl {
    display: none !important;
  }
}

.home-showcase {
  position: relative;
  max-width: 36rem;
  margin-inline: auto;
  margin-block-start: var(--ca-space-5);
}

/* Keep heading + demo as one centered composition. */
#showcase .lp-section-title,
#showcase .lp-section-lede {
  text-align: center;
}

#showcase .lp-section-lede {
  margin-inline: auto;
  max-width: 34rem;
}

.home-showcase__glow {
  position: absolute;
  inset: -12% -8% auto;
  height: 55%;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  background:
    radial-gradient(
      ellipse 70% 60% at 50% 40%,
      color-mix(in oklab, var(--color-accent) 28%, transparent) 0%,
      transparent 72%
    ),
    radial-gradient(
      ellipse 50% 45% at 70% 60%,
      color-mix(in oklab, var(--ca-caustic-cyan) 18%, transparent) 0%,
      transparent 70%
    );
  filter: blur(28px);
  opacity: 0.85;
}

html[data-theme='light'] .home-showcase__glow {
  opacity: 0.55;
  background:
    radial-gradient(
      ellipse 70% 60% at 50% 40%,
      color-mix(in oklab, var(--color-accent) 22%, transparent) 0%,
      transparent 72%
    ),
    radial-gradient(
      ellipse 50% 45% at 70% 60%,
      color-mix(in oklab, var(--ca-caustic-sky-ink) 14%, transparent) 0%,
      transparent 70%
    );
}

.home-showcase__panel {
  position: relative;
  z-index: 1;
}

.home-showcase__progress {
  display: flex;
  flex-direction: column;
  gap: var(--ca-space-2);
  margin-block: var(--ca-space-4) var(--ca-space-5);
}

.home-showcase__progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--ca-space-3);
  font-size: var(--ca-font-size-sm);
  color: var(--muted);
}

.home-showcase__progress-meta span:last-child {
  font-variant-numeric: tabular-nums;
  color: color-mix(in oklab, var(--text) 78%, var(--muted));
}

.home-showcase__tabs {
  margin-block-end: var(--ca-space-5);
}

.home-showcase__tabs .ui-tabs__content {
  margin-block-start: var(--ca-space-3);
  padding: var(--ca-space-4);
}

.home-showcase__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ca-space-3);
  align-items: center;
}

.home-showcase__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ca-space-3);
  align-items: center;
  padding-block-start: var(--ca-space-4);
  border-block-start: 0.5px solid color-mix(in oklab, var(--glass-border) 75%, transparent);
}

/* Toast stack sits in the showcase section — keep it above footer chrome. */
#showcase .toast-stack {
  z-index: 60;
}

/*
  Install — one cohesive code surface with two numbered steps inside,
  not two separate glass cards. Hairline divider between steps, terminal-
  style monospace rows. Showcase below owns the interactive glass panel.
*/
.home-install {
  list-style: none;
  margin: var(--ca-space-6) 0 0;
  padding: 0;
  max-width: 40rem;
  border-radius: var(--ca-radius-md);
  border: 1px solid color-mix(in oklab, var(--glass-border) 80%, transparent);
  background: color-mix(in oklab, var(--glass-fill) 55%, transparent);
  /* Don’t clip code — radius is fine without overflow:hidden. */
  overflow: visible;
}

.home-install__step {
  display: grid;
  gap: var(--ca-space-3);
  padding: var(--ca-space-5);
  min-width: 0;
}

.home-install__step + .home-install__step {
  border-block-start: 0.5px solid color-mix(in oklab, var(--glass-border) 70%, transparent);
}

.home-install__meta {
  display: flex;
  align-items: baseline;
  gap: var(--ca-space-3);
}

.home-install__index {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--ca-font-size-xs);
  letter-spacing: 0.06em;
  color: color-mix(in oklab, var(--color-accent) 75%, var(--muted));
}

.home-install__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--ca-font-size-md);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
}

.home-install__cmd {
  display: flex;
  align-items: flex-start;
  gap: var(--ca-space-3);
  min-width: 0;
}

.home-install__cmd pre {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.home-install__cmd code {
  display: block;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--ca-font-size-sm);
  line-height: 1.45;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.home-install__copy {
  appearance: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--ca-space-1);
  border: 1px solid color-mix(in oklab, var(--glass-border) 75%, transparent);
  background: color-mix(in oklab, var(--glass-surface) 60%, transparent);
  color: var(--muted);
  font: inherit;
  font-size: var(--ca-font-size-xs);
  font-weight: 650;
  letter-spacing: 0.01em;
  padding: var(--ca-space-1) var(--ca-space-3);
  border-radius: var(--ca-radius-sm);
  cursor: pointer;
  transition:
    color var(--ca-duration-fast, 0.15s) ease,
    background-color var(--ca-duration-fast, 0.15s) ease,
    border-color var(--ca-duration-fast, 0.15s) ease;
}

@media (prefers-reduced-motion: reduce) {
  .home-install__copy {
    transition: none;
  }
}

.home-install__copy .ui-icon {
  width: 0.85rem;
  height: 0.85rem;
}

@media (hover: hover) and (pointer: fine) {
  .home-install__copy:hover {
    color: var(--text);
    background: color-mix(in oklab, var(--glass-surface-strong) 70%, transparent);
  }
}

.home-install__copy:focus-visible {
  outline: 2px solid var(--color-system-blue);
  outline-offset: 2px;
}

.home-install__copy[data-copied='true'] {
  color: var(--color-system-blue);
  border-color: color-mix(in oklab, var(--color-system-blue) 45%, transparent);
}

.home-install__hint {
  margin: var(--ca-space-4) 0 0;
  max-width: 40rem;
  font-size: var(--ca-font-size-sm);
  color: var(--muted);
}

.home-install__hint code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.92em;
  color: color-mix(in oklab, var(--text) 82%, var(--muted));
}

.home-install__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ca-space-3);
  margin-block-start: var(--ca-space-5);
}

@media (min-width: 720px) {
  .home-install__step {
    grid-template-columns: minmax(0, 11.5rem) minmax(0, 1fr);
    align-items: start;
    padding-inline: var(--ca-space-6);
  }

  .home-install__meta {
    align-items: center;
    padding-block-start: 0.15em;
  }
}

/*
  Explore — editorial index, not a card grid. Typographic rows with
  hairlines, grouped by intent (Docs to read, Examples to see live).
  No border/background/shadow on the link itself; hover reveals an
  accent rule instead of boxing the row.
*/
.home-explore {
  margin-block-start: var(--ca-space-6);
  display: grid;
  gap: var(--ca-space-6);
}

@media (min-width: 700px) {
  .home-explore {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--ca-space-8);
  }
}

.home-explore__group-title {
  margin: 0 0 var(--ca-space-2);
  font-size: var(--ca-font-size-sm);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-explore__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-block-start: 0.5px solid color-mix(in oklab, var(--glass-border) 85%, transparent);
}

.home-explore__item {
  margin: 0;
  border-bottom: 0.5px solid color-mix(in oklab, var(--glass-border) 70%, transparent);
}

.home-explore__item a {
  display: block;
  padding: var(--ca-space-4) 0 var(--ca-space-4) var(--ca-space-4);
  border-inline-start: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .home-explore__item a:hover {
    border-inline-start-color: color-mix(in oklab, var(--color-accent) 55%, var(--glass-border));
    background: color-mix(in oklab, var(--glass-fill) 40%, transparent);
  }
}

.home-explore__item a:focus-visible {
  outline: 2px solid var(--color-system-blue);
  outline-offset: -2px;
  border-inline-start-color: color-mix(in oklab, var(--color-accent) 55%, var(--glass-border));
  background: color-mix(in oklab, var(--glass-fill) 40%, transparent);
}

.home-explore__title {
  display: block;
  margin-block-end: var(--ca-space-1);
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
}

.home-explore__desc {
  margin: 0;
  max-width: 26rem;
  font-size: var(--ca-font-size-sm);
  color: var(--muted);
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  .home-explore__item a {
    transition: none;
  }
}

/*
  Editorial “why” triad — typographic columns, not panel cards.
  Showcase below owns interactive glass; this section only explains.
*/
.home-why {
  list-style: none;
  margin: var(--ca-space-6) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-block: 0.5px solid color-mix(in oklab, var(--glass-border) 85%, transparent);
}

.home-why__item {
  margin: 0;
  padding: var(--ca-space-5) 0;
  border-bottom: 0.5px solid color-mix(in oklab, var(--glass-border) 70%, transparent);
}

.home-why__item:last-child {
  border-bottom: 0;
}

.home-why__title {
  margin: 0 0 var(--ca-space-2);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
}

.home-why__body {
  margin: 0;
  max-width: 26rem;
  font-size: var(--ca-font-size-md);
  line-height: 1.55;
  color: color-mix(in oklab, var(--text) 82%, var(--muted));
}

.home-why__body code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.92em;
  color: var(--text);
}

@media (min-width: 800px) {
  .home-why {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-block: 0;
    column-gap: var(--ca-space-6);
  }

  .home-why__item {
    padding: 0;
    padding-inline-start: var(--ca-space-4);
    border-bottom: 0;
    border-inline-start: 2px solid
      color-mix(in oklab, var(--color-accent) 32%, var(--glass-border));
  }

  .home-why__body {
    max-width: 22rem;
  }
}

/* FAQ — accordion sits in the narrow column; code stays soft on glass. */
.home-faq {
  margin-block-start: var(--ca-space-6);
}

.home-faq .ui-accordion__panel-body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.home-faq .ui-accordion__panel-body a {
  color: var(--color-accent);
  text-underline-offset: 0.15em;
}

@media (hover: hover) and (pointer: fine) {
  .home-faq .ui-accordion__panel-body a:hover {
    text-decoration-thickness: 2px;
  }
}

/* Theme + locale toggles in navbar actions */
.lp .ui-navbar__actions #theme-toggle,
.lp .ui-navbar__actions #locale-toggle {
  flex-shrink: 0;
}

/*
  Start building — the closing beat, not a fourth card grid.
  A hairline seam + a quiet top-down wash stand in for a fourth glass panel;
  no motion here, no card, nothing competing with the hero caustic.
*/
.home-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--ca-space-20);
}

.home-cta::before {
  content: '';
  position: absolute;
  inset-inline: 12%;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in oklab, var(--color-accent) 45%, var(--glass-border)) 50%,
    transparent
  );
}

.home-cta__glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse 60% 65% at 50% 0%,
    color-mix(in oklab, var(--color-accent) 16%, transparent) 0%,
    transparent 70%
  );
}

html[data-theme='light'] .home-cta__glow {
  background: radial-gradient(
    ellipse 60% 65% at 50% 0%,
    color-mix(in oklab, var(--color-accent) 9%, transparent) 0%,
    transparent 70%
  );
}

.home-cta > .ui-container {
  position: relative;
  z-index: 1;
}

.home-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.25rem);
  letter-spacing: -0.03em;
}

.home-cta__lede {
  max-width: 26rem;
  margin-block-end: var(--ca-space-8);
}

/* —— Support / sponsors marquee —— */
.home-support__sponsors {
  margin-block-start: var(--ca-space-8);
}

.home-support__actions {
  flex-wrap: wrap;
  justify-content: center;
}

.home-bank {
  margin-block-start: var(--ca-space-6);
  padding: var(--ca-space-5);
  border: 1px solid var(--glass-border, color-mix(in oklab, var(--color-fg) 12%, transparent));
  border-radius: var(--ca-radius-3, 0.75rem);
  background: color-mix(in oklab, var(--glass-surface, var(--color-bg)) 88%, transparent);
  text-align: start;
}

.home-bank__title {
  margin: 0 0 var(--ca-space-3);
  font-family: var(--font-display);
  font-size: var(--ca-font-size-sm, 0.9375rem);
  letter-spacing: -0.01em;
}

.home-bank__list {
  margin: 0;
  display: grid;
  gap: var(--ca-space-3);
}

.home-bank__row {
  display: grid;
  gap: 0.2rem;
}

.home-bank__row dt {
  margin: 0;
  font-size: var(--ca-font-size-xs, 0.75rem);
  color: var(--muted, var(--color-fg-muted));
}

.home-bank__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ca-space-2);
}

.home-bank__value {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--ca-font-size-sm, 0.875rem);
  word-break: break-all;
}

.home-bank__note {
  margin: var(--ca-space-4) 0 0;
  font-size: var(--ca-font-size-xs, 0.75rem);
  color: var(--muted, var(--color-fg-muted));
  line-height: 1.45;
}

.ui-container--narrow .home-bank,
.home-support__actions + .home-bank {
  max-width: 36rem;
  margin-inline: auto;
}

.home-sponsors__empty {
  margin: 0;
  text-align: center;
  color: var(--muted, var(--color-fg-muted));
  font-size: var(--ca-font-size-sm, 0.875rem);
  line-height: 1.5;
}

.home-sponsors__inline-copy {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--color-accent, var(--color-system-blue));
  text-decoration: underline;
  text-underline-offset: 0.15em;
  cursor: pointer;
}

@media (hover: hover) and (pointer: fine) {
  .home-sponsors__inline-copy:hover {
    color: var(--color-fg);
  }
}

.home-sponsors__inline-copy:focus-visible {
  color: var(--color-fg);
}

.home-sponsors {
  overflow: hidden;
  mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 8%,
    #000 92%,
    transparent 100%
  );
}

.home-sponsors__viewport {
  display: flex;
  width: max-content;
  gap: 0;
}

.home-sponsors__track {
  display: flex;
  align-items: center;
  gap: var(--ca-space-8);
  list-style: none;
  margin: 0;
  padding: var(--ca-space-3) var(--ca-space-4);
  flex-shrink: 0;
}

.home-sponsors__item {
  flex-shrink: 0;
  white-space: nowrap;
}

.home-sponsors__name {
  font-family: var(--font-display);
  font-size: var(--ca-font-size-sm, 0.9375rem);
  letter-spacing: -0.01em;
  color: var(--color-fg);
  text-decoration: none;
}

@media (hover: hover) and (pointer: fine) {
  a.home-sponsors__name:hover {
    color: var(--color-accent, var(--color-system-blue));
    text-decoration: underline;
    text-underline-offset: 0.15em;
  }
}

a.home-sponsors__name:focus-visible {
  color: var(--color-accent, var(--color-system-blue));
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

@media (prefers-reduced-motion: no-preference) {
  .home-sponsors__viewport {
    animation: home-sponsors-scroll 40s linear infinite;
  }

  @media (hover: hover) and (pointer: fine) {
    .home-sponsors:hover .home-sponsors__viewport {
      animation-play-state: paused;
    }
  }

  .home-sponsors:focus-within .home-sponsors__viewport {
    animation-play-state: paused;
  }
}

/* Touch / narrow: no infinite marquee transform (compositor tax while scrolling). */
@media (max-width: 767px), (hover: none) and (pointer: coarse) {
  .home-sponsors {
    mask-image: none;
  }

  .home-sponsors__viewport {
    display: block;
    width: auto;
    animation: none !important;
  }

  .home-sponsors__track {
    flex-wrap: wrap;
    justify-content: center;
    padding-inline: 0;
  }

  .home-sponsors__track--clone {
    display: none;
  }

  .home-showcase__glow {
    filter: none;
    opacity: 0.45;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-sponsors {
    mask-image: none;
  }

  .home-sponsors__viewport {
    display: block;
    width: auto;
    animation: none;
  }

  .home-sponsors__track {
    flex-wrap: wrap;
    justify-content: center;
    padding-inline: 0;
  }

  .home-sponsors__track--clone {
    display: none;
  }
}

@keyframes home-sponsors-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Docs support page reuses the same action + marquee classes */
.docs-body .home-support__actions {
  justify-content: flex-start;
  margin-block-start: var(--ca-space-4);
}

.docs-body .home-bank {
  margin-inline: 0;
  max-width: 36rem;
}

.docs-body .home-support__sponsors,
.docs-body [data-sponsor-marquee] {
  margin-block-start: var(--ca-space-4);
}

.docs-body .home-sponsors__empty {
  text-align: start;
}

/* —— 404 / not found (marketing chrome) —— */
.nf > .ui-navbar--sticky.ui-navbar--island {
  z-index: 50;
}

.nf-hero .nf-copy {
  max-width: 32rem;
}

/* Prefer safe centering so tall copy isn’t clipped above the fold. */
.nf-stage > .nf-hero {
  justify-content: safe center;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.nf-brand {
  margin-block-end: var(--ca-space-3);
}

.nf-brand__name {
  margin: 0;
  font-size: clamp(1.35rem, 3.5vw, 1.85rem);
  line-height: 1.1;
}

.nf-brand__name .text-gradient-hero__glow,
.nf-brand__name .text-gradient-hero__text {
  font-size: inherit;
}

.nf-code {
  margin: 0 0 var(--ca-space-2);
  font-size: clamp(3.5rem, 14vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  font-weight: 650;
  user-select: none;
}

.nf-code .text-gradient-hero__glow,
.nf-code .text-gradient-hero__text {
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
}

.nf-title {
  margin: 0 0 var(--ca-space-3);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
}

.nf-lede {
  margin-block-end: var(--ca-space-3);
}

.nf-path {
  margin: 0 0 var(--ca-space-5);
  font-size: var(--ca-font-size-sm);
  color: var(--muted);
}

.nf-path code {
  display: inline-block;
  max-width: min(100%, 28rem);
  margin-inline-start: 0.35em;
  padding: 0.15em 0.45em;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-size: 0.92em;
  color: var(--text);
  background: color-mix(in oklab, var(--glass-surface) 80%, transparent);
  border: 0.5px solid var(--glass-border);
  border-radius: var(--ca-radius-sm);
}

.nf-actions {
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ca-space-2);
  margin-block-end: var(--ca-space-5);
}

.nf-shortcuts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ca-space-2) var(--ca-space-4);
  font-size: var(--ca-font-size-sm);
}

.nf-shortcuts a {
  color: var(--muted);
  text-decoration: none;
  text-underline-offset: 0.18em;
}

@media (hover: hover) and (pointer: fine) {
  .nf-shortcuts a:hover {
    color: var(--text);
    text-decoration: underline;
  }
}

.nf-shortcuts a:focus-visible {
  color: var(--text);
  text-decoration: underline;
}

@media (prefers-reduced-motion: no-preference) and (min-width: 768px) and (hover: hover) {
  .nf-brand,
  .nf-code,
  .nf-title,
  .nf-lede,
  .nf-path,
  .nf-actions,
  .nf-shortcuts {
    opacity: 0;
    transform: translateY(0.45rem);
    transition:
      opacity 720ms cubic-bezier(0.16, 0.84, 0.22, 1),
      transform 720ms cubic-bezier(0.16, 0.84, 0.22, 1);
    transition-delay: var(--nf-delay, 0ms);
  }

  /* Brand leads — longer settle than the supporting 404 chrome. */
  .nf-brand {
    transform: translateY(0.4rem);
    transition-duration: 1.1s;
  }

  .nf-brand.is-entered,
  .nf-code.is-entered,
  .nf-title.is-entered,
  .nf-lede.is-entered,
  .nf-path.is-entered,
  .nf-actions.is-entered,
  .nf-shortcuts.is-entered {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-height: 40rem) {
  .nf-stage > .nf-hero {
    justify-content: flex-start;
    align-items: center;
    padding-block: calc(var(--lp-nav-underlap, 5.25rem) + var(--ca-space-3)) var(--ca-space-6);
  }

  .nf-code {
    font-size: clamp(2.25rem, 9vw, 3.5rem);
  }

  .nf-brand {
    margin-block-end: var(--ca-space-2);
  }

  .nf-lede {
    margin-block-end: var(--ca-space-2);
  }

  .nf-path {
    margin-block-end: var(--ca-space-3);
  }

  .nf-actions {
    margin-block-end: var(--ca-space-3);
  }
}