/*
  Lede landing — tokens derived from brand-guidelines.md (OKLCH + color-mix).
  Neutrals tinted toward brand orange hue (~38–75 in OKLCH hue for warm paper).
*/

:root {
  /* Hue anchor (orange family) for subtle neutral tint */
  --hue-brand: 48;
  --hue-ink: 55;

  --color-canvas: oklch(96.2% 0.012 var(--hue-brand));
  --color-subtle: oklch(93.5% 0.014 var(--hue-brand));
  --color-border: oklch(88% 0.018 var(--hue-brand));
  --color-border-hover: oklch(80% 0.02 var(--hue-brand));
  --color-ink: oklch(12.8% 0.012 var(--hue-ink));
  --color-ink-secondary: oklch(22% 0.012 var(--hue-ink));
  --color-ink-muted: oklch(72% 0.02 var(--hue-ink));
  --color-surface: oklch(99.4% 0.004 var(--hue-brand));

  --color-brand: oklch(64.5% 0.205 38);
  --color-brand-hover: oklch(58% 0.19 38);
  --color-brand-active: oklch(51% 0.175 38);
  --color-brand-soft: color-mix(in oklch, var(--color-brand) 14%, var(--color-canvas));
  --color-on-brand: oklch(99% 0.01 95);

  --color-link: oklch(38% 0.02 var(--hue-ink));
  --color-link-hover: var(--color-brand);

  /* Privacy band — soft apricot slab (light mode); hue locks to brand orange */
  --color-dark-canvas: oklch(92.5% 0.022 38);
  --color-dark-subtle: oklch(89.6% 0.025 38);
  --color-dark-border: oklch(84% 0.03 40);
  --color-dark-ink: var(--color-ink);
  --color-dark-ink-secondary: var(--color-ink-secondary);

  /* Typography */
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;

  /* Fluid display scale (≥1.25 ratio between steps) */
  --text-hero: clamp(2.85rem, 5.5vw + 1.15rem, 4.85rem);
  --text-xl: clamp(1.9rem, 2.6vw + 1.05rem, 2.75rem);
  --text-lg: clamp(1.35rem, 1.2vw + 1rem, 1.75rem);
  --text-md: clamp(1.0625rem, 0.5vw + 0.95rem, 1.25rem);
  --text-sm: 0.875rem;
  --text-xs: 0.6875rem;

  --leading-tight: 1.25;
  --leading-ui: 1.35;
  --leading-prose: 1.65;
  --leading-prose-dark: 1.72;

  --tracking-display: -0.02em;
  --tracking-label: 0.08em;

  /* 4pt-based semantic spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Section vertical rhythm (fluid where the page needs to breathe) */
  --section-y: clamp(2.75rem, 5vw, 4.25rem);
  --section-y-tight: clamp(1.35rem, 2.8vw, 2.25rem);
  --section-y-room: clamp(3.25rem, 6.5vw, 5.5rem);
  --section-y-hero-tail: clamp(3rem, 6vw, 5rem);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-pill: 14px;
  /* Floated site header — slightly rounder than cards, tuned for blur + shadow */
  --radius-nav-float: 13px;
  --nav-float-max: 1280px;
  /* Full-viewport top veil (html.site-nav-floated::before) — tall + opaque stops hide scroll “pop” */
  --nav-top-fade-reach: clamp(2rem, 6vw, 3.5rem);
  --nav-veil-pill-overlap: clamp(3.25rem, 8dvh, 6.25rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  /* Softer deceleration for first-paint choreography (no bounce) */
  --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-disclosure: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-enter: 0.74s;
  --duration-disclosure: 0.42s;
  /* Fixed caps for <details> collapse — animating 0fr→1fr is skipped inconsistently in browsers */
  --disclosure-collapse-max: min(92vh, 52rem);
  --faq-collapse-max: min(60vh, 22rem);
  --content-max: 70ch;
  --page-gutter: clamp(1rem, 4vw, 2.5rem);

  --focus-ring: 2px solid var(--color-brand);
  --focus-offset: 2px;

  /* Elevation (neutral black/alpha — not tied to --color-ink, so shadows work in dark mode) */
  --shadow-card-edge: oklch(0% 0 0 / 0.07);
  --shadow-card-soft: oklch(0% 0 0 / 0.11);
  --shadow-popup:
    0 0 0 1px color-mix(in oklch, var(--color-brand) 18%, oklch(0% 0 0 / 0.06)),
    0 12px 28px oklch(0% 0 0 / 0.08),
    0 32px 80px oklch(0% 0 0 / 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-canvas: oklch(17.2% 0.014 var(--hue-brand));
    --color-subtle: oklch(20.8% 0.016 var(--hue-brand));
    --color-border: oklch(28% 0.018 var(--hue-brand));
    --color-border-hover: oklch(36% 0.02 var(--hue-brand));
    --color-ink: oklch(95.5% 0.012 85);
    --color-ink-secondary: oklch(83% 0.014 78);
    --color-ink-muted: oklch(56% 0.022 70);
    --color-surface: oklch(21.2% 0.014 var(--hue-brand));

    --color-brand: oklch(70% 0.2 38);
    --color-brand-hover: oklch(76% 0.2 40);
    --color-brand-active: oklch(62% 0.175 38);
    --color-brand-soft: color-mix(in oklch, var(--color-brand) 18%, var(--color-canvas));
    --color-on-brand: oklch(14% 0.02 42);

    --color-link: oklch(78% 0.04 72);
    --color-link-hover: oklch(82% 0.12 48);

    /* Privacy band: slightly lifted warm slab vs page canvas */
    --color-dark-canvas: oklch(23.5% 0.017 var(--hue-ink));
    --color-dark-subtle: oklch(27% 0.016 var(--hue-ink));
    --color-dark-border: oklch(35% 0.015 var(--hue-ink));
    --color-dark-ink: oklch(96.5% 0.01 85);
    --color-dark-ink-secondary: oklch(87% 0.016 78);

    --shadow-card-edge: oklch(100% 0 0 / 0.08);
    --shadow-card-soft: oklch(0% 0 0 / 0.42);
    --shadow-popup:
      0 0 0 1px color-mix(in oklch, var(--color-brand) 28%, oklch(100% 0 0 / 0.12)),
      0 14px 32px oklch(0% 0 0 / 0.45),
      0 36px 88px oklch(0% 0 0 / 0.55);
  }

  .hero-mast {
    background:
      radial-gradient(ellipse 78% 58% at 0% 0%, color-mix(in oklch, var(--color-brand) 24%, transparent), transparent 55%),
      linear-gradient(
        172deg,
        color-mix(in oklch, var(--color-subtle) 92%, #000) 0%,
        var(--color-canvas) 48%,
        oklch(14.5% 0.016 var(--hue-brand)) 100%
      );
  }

  .hero-mast .eyebrow {
    color: color-mix(in oklch, var(--color-brand) 48%, var(--color-ink-muted));
  }

  .hero-proof .extension-demo {
    box-shadow:
      0 0 0 1px color-mix(in oklch, var(--color-brand) 22%, oklch(100% 0 0 / 0.1)),
      0 5px 14px oklch(0% 0 0 / 0.28),
      0 14px 32px oklch(0% 0 0 / 0.36);
  }
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light dark;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--leading-prose);
  color: var(--color-ink);
  background-color: var(--color-canvas);
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.14s var(--ease-out);
}

a:hover {
  color: var(--color-link-hover);
}

a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 100;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.skip-link:focus {
  left: var(--page-gutter);
}

/* ——— Layout shell ——— */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
}

/* Mast gradient paints the full hero; nav sits in the same grid cell so it reads integrated */
.hero-shell {
  display: grid;
  grid-template-areas: "stack";
  position: relative;
}

.hero-shell > .site-header,
.hero-shell > .hero-mast {
  grid-area: stack;
}

.hero-shell > .hero-mast {
  position: relative;
  z-index: 0;
}

.hero-shell > .site-header {
  position: sticky;
  top: 0;
  align-self: start;
  justify-self: stretch;
  width: 100%;
  z-index: 50;
}

.wrap {
  width: min(1120px, 100% - 2 * var(--page-gutter));
  margin-inline: auto;
}

.prose {
  max-width: var(--content-max);
  color: var(--color-ink-secondary);
}

.prose p {
  margin: 0 0 var(--space-md);
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ——— Type ——— */
.font-display {
  font-family: var(--font-display);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.display-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.028em;
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
  text-wrap: balance;
}

.heading-xl {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
}

.heading-lg {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin: 0 0 var(--space-xs);
}

.heading-md {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: var(--leading-ui);
  color: var(--color-ink);
  margin: 0 0 var(--space-2xs);
}

.lede {
  font-size: var(--text-md);
  line-height: var(--leading-ui);
  color: var(--color-ink-secondary);
  max-width: 36em;
  margin: 0;
}

.kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.12em 0.45em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: color-mix(in oklch, var(--color-subtle) 88%, transparent);
  color: var(--color-ink);
}

/* ——— Header ———
   In .hero-shell: sits over the mast gradient (integrated at top).
   Floated: one painted surface on ::after (inset ring + shadow) avoids radius seam glitches.

   Transition strategy:
   - sticky→fixed is a layout change; transitions don't reliably start from the pre-change value.
   - We use @keyframes (not transition) for the glass entrance — animations always fire.
   - translateY slide on the pill parent covers the geometry snap visually.
   - Exit is instant (glass snaps off, user is near top so sticky re-appears at same visual pos). */
.site-header {
  position: relative;
  isolation: isolate;
  z-index: 40;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0;
  box-shadow: none;
  transition: border-radius 0.55s var(--ease-reveal);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  box-sizing: border-box;
  border-radius: inherit;
  border: 1px solid transparent;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 0;
  pointer-events: none;
  box-shadow: none;
  /* No transition here — entrance is via @keyframes; exit is instant (glass snaps off at scroll≈0) */
  transition: border-radius 0.55s var(--ease-reveal);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Full glass styles in scrolled state — opacity driven by the animation below */
.site-header.site-header--scrolled::after {
  opacity: 1;
  border-color: transparent;
  border-radius: inherit;
  background: color-mix(in oklch, var(--color-canvas) 86%, transparent);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  box-shadow:
    inset 0 0 0 1px var(--color-border),
    0 14px 36px oklch(0% 0 0 / 0.07),
    0 32px 72px oklch(0% 0 0 / 0.09);
}

/* Pill entrance: slide down + glass fade — both as keyframes so they fire despite the position change */
@keyframes nav-glass-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes nav-pill-in {
  from { transform: translateY(-10px); }
  to   { transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .site-header.site-header--scrolled::after {
    animation: nav-glass-in 0.42s var(--ease-reveal) both;
  }

  html.site-nav-floated::before {
    animation: nav-glass-in 0.42s var(--ease-reveal) both;
  }

  .hero-shell > .site-header.site-header--scrolled {
    animation: nav-pill-in 0.45s var(--ease-reveal) both;
  }
}

/* Full-bleed top veil: must live on html (not the pill) so width isn’t clipped and transform doesn’t trap position:fixed */
html.site-nav-floated::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: calc(
    env(safe-area-inset-top, 0px) + var(--space-sm) + var(--nav-top-fade-reach) + var(--nav-veil-pill-overlap)
  );
  z-index: 55;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    color-mix(in oklch, var(--color-canvas) 100%, transparent) 0%,
    color-mix(in oklch, var(--color-canvas) 96%, transparent) 10%,
    color-mix(in oklch, var(--color-canvas) 82%, transparent) 26%,
    color-mix(in oklch, var(--color-canvas) 52%, transparent) 48%,
    color-mix(in oklch, var(--color-canvas) 22%, transparent) 70%,
    color-mix(in oklch, var(--color-canvas) 6%, transparent) 88%,
    transparent 100%
  );
}

.hero-shell > .site-header.site-header--scrolled {
  position: fixed;
  top: var(--space-sm);
  left: calc(var(--space-2xs) + env(safe-area-inset-left, 0px));
  right: calc(var(--space-2xs) + env(safe-area-inset-right, 0px));
  z-index: 60;
  width: auto;
  max-width: var(--nav-float-max);
  margin-inline: auto;
  border-radius: var(--radius-nav-float);
  border-color: transparent;
  box-shadow: none;
  overflow: clip;
  will-change: transform;
}

.site-header .wrap {
  position: relative;
  z-index: 2;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
}

.hero-shell > .site-header.site-header--scrolled .site-header__inner {
  padding-inline: clamp(var(--space-sm), 2.5vw, var(--space-lg));
}

.site-header__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm) var(--space-md);
}

.btn--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.8125rem;
}

.nav-install {
  flex-shrink: 0;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: inherit;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: var(--tracking-display);
  transition: transform 0.22s var(--ease-out), color 0.18s var(--ease-out);
}

.brand-lockup:hover {
  color: var(--color-ink);
  transform: translateY(-1px);
}

.brand-lockup:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-sm);
}

/* Summarizer mark (no wordmark in asset) + “Lede” set in markup */
.brand-lockup__mark {
  width: auto;
  height: 1.5rem;
  max-height: 1.65rem;
  flex-shrink: 0;
  display: block;
  transform-origin: 55% 60%;
}

@media (prefers-reduced-motion: no-preference) {
  .brand-lockup__mark {
    transition: transform 0.28s var(--ease-out);
  }

  .brand-lockup:hover .brand-lockup__mark {
    transform: rotate(-5deg) scale(1.04);
  }
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  text-decoration: none;
  color: var(--color-ink-secondary);
  transition:
    color 0.18s var(--ease-out),
    transform 0.22s var(--ease-out);
}

.nav a:hover {
  color: var(--color-brand);
  transform: translateY(-1px);
}

.firefox-note {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  max-width: 65ch;
}

.disclosure {
  margin-top: clamp(var(--space-lg), 3vw, var(--space-xl));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  overflow: hidden;
}

.disclosure summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: background-color 0.22s var(--ease-out), color 0.18s var(--ease-out);
}

.disclosure summary:hover {
  background: color-mix(in oklch, var(--color-subtle) 55%, var(--color-canvas));
}

.disclosure summary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-sm);
}

.disclosure summary:active {
  background: color-mix(in oklch, var(--color-subtle) 72%, var(--color-canvas));
}

.disclosure summary::-webkit-details-marker {
  display: none;
}

.disclosure summary::after {
  content: "+";
  flex-shrink: 0;
  font-weight: 700;
  color: var(--color-brand);
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--duration-disclosure) var(--ease-out-disclosure);
  transform: rotate(0deg);
}

.disclosure[open] summary::after {
  transform: rotate(45deg);
}

.disclosure.disclosure--animate > .disclosure__collapse {
  display: block;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-disclosure) var(--ease-out-disclosure);
}

.disclosure.disclosure--animate[open] > .disclosure__collapse {
  max-height: var(--disclosure-collapse-max);
}

.disclosure.disclosure--animate .disclosure__collapse-sheet {
  overflow: visible;
}

.disclosure__body {
  padding: 0 var(--space-lg) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: var(--leading-prose);
  border-top: 1px solid var(--color-border);
}

.disclosure__body p {
  margin: var(--space-sm) 0 0;
}

.disclosure__body p:first-child {
  margin-top: var(--space-sm);
}

.beta-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-brand);
}

/* ——— Buttons ——— */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: clamp(var(--space-md), 2vw, var(--space-lg));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.2;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.14s var(--ease-out),
    color 0.14s var(--ease-out),
    border-color 0.14s var(--ease-out),
    transform 0.14s var(--ease-out);
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn--primary {
  color: var(--color-on-brand);
  background: var(--color-brand);
  border-color: color-mix(in oklch, var(--color-brand) 78%, var(--color-ink));
  box-shadow:
    0 1px 0 color-mix(in oklch, var(--color-on-brand) 22%, transparent),
    0 3px 0 color-mix(in oklch, var(--color-brand-active) 55%, var(--color-ink));
}

.btn--primary:hover {
  background: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  color: var(--color-on-brand);
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 color-mix(in oklch, var(--color-on-brand) 28%, transparent),
    0 5px 0 color-mix(in oklch, var(--color-brand-active) 45%, var(--color-ink)),
    0 14px 28px color-mix(in oklch, var(--color-brand) 22%, transparent);
}

.btn--primary:active {
  background: var(--color-brand-active);
  border-color: var(--color-brand-active);
  color: var(--color-on-brand);
  transform: translateY(1px);
  box-shadow: 0 1px 0 color-mix(in oklch, var(--color-on-brand) 15%, transparent);
}

.btn--secondary {
  color: var(--color-ink-secondary);
  background: transparent;
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-subtle);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.btn--secondary:active {
  transform: translateY(1px);
}

/* ——— Sections ——— */
.section {
  padding-block: var(--section-y);
}

.section--tight-top {
  padding-top: var(--section-y-tight);
  padding-bottom: clamp(var(--space-lg), 3.5vw, var(--space-2xl));
}

.section--faq {
  padding-bottom: clamp(3.25rem, 6vw, 5rem);
}

.section__head {
  margin-bottom: clamp(var(--space-lg), 2.8vw, var(--space-xl));
  max-width: 65ch;
}

/* Privacy dark band */
.section--dark {
  background-color: var(--color-dark-canvas);
  /* Light mode: gentle brand glow on apricot base */
  background-image:
    radial-gradient(ellipse 125% 72% at 100% 0%, color-mix(in oklch, var(--color-brand) 13%, transparent) 0%, transparent 56%),
    radial-gradient(ellipse 100% 58% at 0% 100%, oklch(70% 0.06 38 / 0.09), transparent 52%);
  color: var(--color-dark-ink);
  padding-block: calc(var(--space-3xl) + var(--space-md));
  border-block: 1px solid var(--color-dark-border);
}

.section--dark .eyebrow {
  color: color-mix(in oklch, var(--color-brand) 34%, var(--color-ink-muted));
}

.section--dark .heading-xl {
  color: var(--color-dark-ink);
}

.section--dark .heading-md {
  color: var(--color-dark-ink);
}

.section--dark h4.heading-md {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: color-mix(in oklch, var(--color-dark-ink) 92%, var(--color-dark-ink-secondary));
}

.section--dark .prose {
  color: var(--color-dark-ink-secondary);
  line-height: var(--leading-prose-dark);
}

.section--dark a {
  color: color-mix(in oklch, var(--color-dark-ink) 88%, var(--color-brand));
}

.section--dark a:hover {
  color: color-mix(in oklch, var(--color-dark-ink) 70%, var(--color-brand));
}

@media (prefers-color-scheme: dark) {
  .section--dark {
    background-image:
      radial-gradient(ellipse 120% 70% at 100% 0%, oklch(38% 0.06 48 / 0.4), transparent 52%),
      radial-gradient(ellipse 90% 55% at 0% 100%, oklch(32% 0.07 38 / 0.35), transparent 48%);
  }

  .section--dark .eyebrow {
    color: oklch(76% 0.055 55);
  }
}

.split {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 800px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

.split h3,
.split h4 {
  margin-top: 0;
}

/* Install callout — container query */
.install-wrap {
  container-type: inline-size;
  container-name: install;
}

.install-panel {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-lg);
}

@container install (min-width: 560px) {
  .install-panel {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.install-panel h3 {
  margin: 0 0 var(--space-xs);
}

.install-panel ol {
  margin: 0;
  padding-left: 1.1em;
  color: var(--color-ink-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-prose);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Footer */
.site-footer {
  padding-block: clamp(var(--space-lg), 3vw, var(--space-xl));
  border-top: 1px solid var(--color-border);
  margin-top: clamp(var(--space-2xl), 5vw, var(--space-3xl));
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md) var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
}

.footer-brand-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  min-width: min(100%, 16rem);
}

.footer-brand-block .brand-lockup {
  color: var(--color-ink);
}

.footer-whisper {
  margin: 0;
  max-width: 22rem;
  font-size: 0.8125rem;
  line-height: var(--leading-ui);
  color: var(--color-ink-muted);
  letter-spacing: -0.01em;
}

/* ——— Motion: staggered reveal (first load — opacity + transform, smooth ease-out) ——— */
.reveal-group {
  --stagger: 0.09s;
}

.reveal-item {
  animation: reveal-in var(--duration-enter) var(--ease-reveal) both;
  animation-delay: calc(var(--i, 0) * var(--stagger));
}

@keyframes reveal-in {
  from {
    opacity: 0;
    transform: translateY(1.125rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .reveal-scroll {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .disclosure.disclosure--animate > .disclosure__collapse,
  .faq-disclosure.faq-disclosure--animate > .faq-disclosure__collapse {
    transition-duration: 0.01ms;
  }

  .disclosure summary::after,
  .faq-disclosure summary::after {
    transition-duration: 0.01ms;
  }

  .install-timeline__link,
  .install-snippet-copy,
  .editorial-block,
  .nav a,
  .footer-links a,
  .brand-lockup,
  .hero-highlights li,
  .site-header,
  .site-header::after,
  html.site-nav-floated::before {
    transition: none;
    animation: none !important;
  }

  .editorial-block:hover,
  .nav a:hover,
  .footer-links a:hover,
  .brand-lockup:hover,
  .install-timeline__link:hover {
    transform: none;
  }

  .brand-lockup:hover .brand-lockup__mark {
    transform: none;
  }

  .hero-highlights li:hover .hero-highlights__icon svg {
    transform: none;
  }

  .install-snippet-copy__icon {
    transition: opacity 0.01ms;
  }
}

/* ========= Redesign: masthead hero + proof, install journey, editorial ========= */

.site-header__tagline {
  display: none;
  margin: 0;
  padding-bottom: var(--space-xs);
  font-size: var(--text-xs);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  border-top: 1px solid color-mix(in oklch, var(--color-border) 70%, transparent);
  padding-top: var(--space-2xs);
}

@media (min-width: 900px) {
  .site-header__tagline {
    display: block;
  }
}

.deck {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.85vw + 0.7rem, 1.6rem);
  font-weight: 600;
  line-height: var(--leading-ui);
  letter-spacing: -0.018em;
  color: var(--color-ink);
  max-width: 28em;
  margin: 0 0 var(--space-sm);
}

/* Hero: light wit — journalism-flavored, not gimmicky */
.hero-whisper {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 0.35vw + 0.88rem, 1.0625rem);
  font-weight: 500;
  line-height: var(--leading-ui);
  color: color-mix(in oklch, var(--color-brand) 28%, var(--color-ink-muted));
  letter-spacing: -0.01em;
}

.lede--tight {
  max-width: 32em;
  font-size: var(--text-sm);
}

.hero-mast {
  position: relative;
  isolation: isolate;
  /* Breathing room under the header without pushing the headline down the tall demo column */
  padding-top: clamp(var(--space-md), 2.25vw + 0.65rem, var(--space-xl));
  padding-bottom: var(--section-y-hero-tail);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 85% 65% at 0% 0%, var(--color-brand-soft), transparent 58%),
    linear-gradient(
      168deg,
      color-mix(in oklch, var(--color-surface) 55%, var(--color-canvas)) 0%,
      var(--color-canvas) 42%,
      color-mix(in oklch, var(--color-subtle) 88%, var(--color-canvas)) 100%
    );
}

/* Nav overlays the mast paint; reserve vertical space for the sticky header strip */
.hero-shell > .hero-mast {
  padding-top: calc(3.5rem + clamp(var(--space-md), 2.25vw + 0.65rem, var(--space-xl)));
}

.hero-mast .eyebrow {
  color: color-mix(in oklch, var(--color-brand) 42%, var(--color-ink-muted));
}

.hero-mast__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(var(--space-xs), 1.5vw, var(--space-sm));
}

.hero-mast__copy .display-hero,
.hero-mast__copy .deck,
.hero-mast__copy .lede,
.hero-mast__copy .hero-whisper {
  margin: 0;
}

.hero-mast__copy .actions {
  margin-top: clamp(var(--space-sm), 1.5vw, var(--space-md));
}

.hero-mast__copy .hero-highlights + .actions {
  margin-top: clamp(var(--space-xs), 1.2vw, var(--space-sm));
}

.hero-highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  max-width: min(22rem, 100%);
}

.hero-highlights li {
  display: grid;
  grid-template-columns: 1.375rem 1fr;
  gap: var(--space-sm);
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: var(--leading-ui);
  color: var(--color-ink-secondary);
  border-radius: var(--radius-sm);
  margin-inline: calc(var(--space-2xs) * -1);
  padding: var(--space-3xs) var(--space-2xs);
  transition: color 0.22s var(--ease-out), background-color 0.22s var(--ease-out);
}

.hero-highlights li:hover {
  color: var(--color-ink);
  background: color-mix(in oklch, var(--color-brand-soft) 55%, transparent);
}

.hero-highlights__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.375rem;
  height: 1.375rem;
  flex-shrink: 0;
  color: color-mix(in oklch, var(--color-brand) 58%, var(--color-ink-muted));
}

.hero-highlights__icon svg {
  display: block;
  width: 1.125rem;
  height: 1.125rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-highlights__icon svg {
    transition: transform 0.26s var(--ease-out);
  }

  .hero-highlights li:hover .hero-highlights__icon svg {
    transform: scale(1.07) rotate(-6deg);
  }
}

.hero-mast__copy > p:not(.eyebrow):not(.deck):not(.lede):not(.hero-whisper) {
  margin: 0;
}

.hero-mast__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: stretch;
}

@media (min-width: 960px) {
  .hero-mast__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 1.12fr);
    gap: clamp(var(--space-2xl), 4vw, var(--space-3xl));
    /* Top-align copy with the demo — centering pushed the splash block halfway down the tall iframe */
    align-items: start;
  }
}

.hero-proof {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* One composed column: embedded demo frame */
.hero-proof__column {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  gap: var(--space-xs);
}

.hero-proof__demo-wrap {
  width: 100%;
  max-width: 100%;
}

.hero-proof__frame {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: 0 1px 0 var(--shadow-card-edge), 0 18px 48px var(--shadow-card-soft);
}

.hero-proof__frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Demo: one surface only — no outer “device frame”; shadow reads like a browser popup. */
.hero-proof__frame--demo {
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  animation: none;
}

.extension-demo {
  display: block;
  width: 400px;
  max-width: 100%;
  height: 560px;
  margin: 0 auto;
  border: 0;
  border-radius: 12px;
  color-scheme: light dark;
  box-shadow: var(--shadow-popup);
}

/* Hero: softer elevation on the embedded demo */
.hero-proof .extension-demo {
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--color-brand) 14%, oklch(0% 0 0 / 0.05)),
    0 4px 12px oklch(0% 0 0 / 0.05),
    0 12px 28px oklch(0% 0 0 / 0.07);
}

@media (max-width: 440px) {
  .hero-proof__frame--demo {
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: visible;
  }

  .extension-demo {
    max-width: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-proof__frame:not(.hero-proof__frame--demo) {
    animation: hero-frame-in 0.95s var(--ease-reveal) both;
    animation-delay: 0.14s;
  }

  @keyframes hero-frame-in {
    from {
      opacity: 0;
      transform: translateY(1.125rem) scale(0.988);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-proof__frame:not(.hero-proof__frame--demo) {
    animation: none;
  }
}

.section--install {
  position: relative;
  isolation: isolate;
  padding-top: clamp(var(--space-2xl), 5vw, var(--space-3xl));
  padding-bottom: var(--section-y-room);
  background:
    radial-gradient(ellipse 70% 55% at 100% 12%, var(--color-brand-soft), transparent 52%),
    radial-gradient(ellipse 55% 45% at 0% 88%, color-mix(in oklch, var(--color-subtle) 65%, var(--color-canvas)), transparent 50%),
    var(--color-canvas);
  border-top: 1px solid color-mix(in oklch, var(--color-border) 80%, transparent);
}

#install-browser-details {
  scroll-margin-top: clamp(4.5rem, 12vh, 7rem);
}

.section__head--install {
  margin-bottom: clamp(var(--space-md), 2vw, var(--space-lg));
}

.install-deck {
  margin: clamp(var(--space-xs), 1.5vw, var(--space-sm)) 0 0;
  max-width: 38rem;
  font-family: var(--font-display);
  font-size: clamp(0.9375rem, 0.35vw + 0.86rem, 1.0625rem);
  font-weight: 600;
  line-height: var(--leading-ui);
  letter-spacing: -0.015em;
  color: color-mix(in oklch, var(--color-ink-secondary) 55%, var(--color-ink));
}

/* Install: rail + markers (no heavy side stripe on the list) */
.install-timeline {
  list-style: none;
  margin: 0 0 clamp(var(--space-xl), 4vw, var(--space-2xl));
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(var(--space-lg), 3vw, var(--space-xl));
}

.install-timeline__step {
  display: grid;
  grid-template-columns: clamp(2.5rem, 4.2vw, 3.15rem) minmax(0, 1fr);
  column-gap: clamp(var(--space-md), 2.5vw, var(--space-lg));
  align-items: stretch;
}

.install-timeline__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.2rem;
  min-width: 0;
}

.install-timeline__marker {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-on-brand);
  background: var(--color-brand);
  box-shadow:
    0 0 0 2px color-mix(in oklch, var(--color-canvas) 88%, var(--color-brand)),
    0 6px 18px color-mix(in oklch, var(--color-brand) 22%, transparent);
}

.install-timeline__step:not(:last-child) .install-timeline__rail::after {
  content: "";
  flex: 1 1 auto;
  width: 1px;
  margin-top: var(--space-xs);
  min-height: clamp(1.25rem, 3vw, 2rem);
  background: linear-gradient(
    180deg,
    color-mix(in oklch, var(--color-brand) 42%, var(--color-border)) 0%,
    color-mix(in oklch, var(--color-brand) 8%, var(--color-border)) 100%
  );
}

.install-timeline__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 72ch;
  min-width: 0;
  padding-bottom: var(--space-2xs);
}

.install-timeline__kicker {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: color-mix(in oklch, var(--color-brand) 38%, var(--color-ink-muted));
}

.install-timeline__title {
  margin: calc(var(--space-3xs) * -1) 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  color: var(--color-ink);
}

.install-timeline__body {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: var(--leading-prose);
}

.install-timeline__body--compact {
  line-height: var(--leading-ui);
}

.install-timeline__body--muted {
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
}

.install-timeline__body code {
  padding: 0.12em 0.32em;
  border-radius: 4px;
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: color-mix(in oklch, var(--color-ink) 6%, var(--color-surface));
  border: 1px solid color-mix(in oklch, var(--color-border) 88%, var(--color-ink));
  color: var(--color-ink);
}

.install-snippet-wrap {
  position: relative;
  max-width: 100%;
}

.install-snippet-wrap .install-timeline__snippet {
  padding-block: var(--space-md);
  padding-inline: var(--space-md) clamp(2.65rem, 10vw, 3.25rem);
}

.install-snippet-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.install-snippet-copy {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2.125rem;
  height: 2.125rem;
  margin: 0;
  padding: 0;
  color: color-mix(in oklch, var(--color-ink-muted) 88%, var(--color-ink));
  background: color-mix(in oklch, var(--color-surface) 92%, transparent);
  border: 1px solid color-mix(in oklch, var(--color-border) 72%, transparent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 1px 2px oklch(0% 0 0 / 0.04);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.22s var(--ease-out),
    color 0.18s var(--ease-out),
    background-color 0.18s var(--ease-out),
    border-color 0.18s var(--ease-out),
    box-shadow 0.18s var(--ease-out);
}

.install-snippet-copy__icon {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.2s var(--ease-out),
    transform 0.22s var(--ease-out),
    color 0.18s var(--ease-out);
}

.install-snippet-copy__icon svg {
  display: block;
}

.install-snippet-copy__icon--copy {
  transform: scale(1);
}

.install-snippet-copy__icon--check {
  opacity: 0;
  transform: scale(0.88);
  color: var(--color-brand);
}

.install-snippet-wrap.is-copied .install-snippet-copy__icon--copy {
  opacity: 0;
  transform: scale(0.88);
}

.install-snippet-wrap.is-copied .install-snippet-copy__icon--check {
  opacity: 1;
  transform: scale(1);
}

@media (hover: hover) and (pointer: fine) {
  .install-snippet-wrap:is(:hover, :focus-within) .install-snippet-copy,
  .install-snippet-wrap.is-copied .install-snippet-copy {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (hover: none), (pointer: coarse) {
  .install-snippet-copy {
    opacity: 0.72;
    pointer-events: auto;
  }

  .install-snippet-wrap:is(:hover, :focus-within) .install-snippet-copy,
  .install-snippet-wrap.is-copied .install-snippet-copy {
    opacity: 1;
  }
}

.install-snippet-copy:hover {
  color: var(--color-ink);
  border-color: color-mix(in oklch, var(--color-brand) 32%, var(--color-border));
  background: color-mix(in oklch, var(--color-brand-soft) 38%, var(--color-surface));
  box-shadow: 0 2px 8px color-mix(in oklch, var(--color-brand) 7%, transparent);
}

.install-snippet-copy:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.install-timeline__snippet {
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--color-ink) 5.5%, var(--color-surface));
  border: 1px solid color-mix(in oklch, var(--color-border) 85%, var(--color-ink));
  font-size: 0.8125rem;
  line-height: 1.55;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.install-timeline__snippet code {
  font-family: inherit;
  font-size: inherit;
  color: var(--color-ink);
  white-space: pre;
  word-break: normal;
}

.install-browser-split {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-2xs);
}

@media (min-width: 640px) {
  .install-browser-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
  }
}

.install-browser-split__col {
  margin: 0;
  padding-top: var(--space-sm);
  border-top: 1px solid color-mix(in oklch, var(--color-brand) 18%, var(--color-border));
}

.install-browser-split__tag {
  margin: 0 0 var(--space-2xs);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: color-mix(in oklch, var(--color-brand) 48%, var(--color-ink-muted));
}

.install-timeline__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  align-self: flex-start;
  margin-top: var(--space-2xs);
  transition: color 0.18s var(--ease-out);
}

.install-timeline__link:hover {
  color: color-mix(in oklch, var(--color-brand) 55%, var(--color-ink));
}

.install-timeline__anchor {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.disclosure--install {
  background: color-mix(in oklch, var(--color-surface) 55%, var(--color-canvas));
  border-color: color-mix(in oklch, var(--color-brand) 14%, var(--color-border));
}

.disclosure--install summary {
  font-size: var(--text-md);
  letter-spacing: -0.012em;
}

.disclosure--install[open] {
  box-shadow: 0 12px 36px color-mix(in oklch, var(--color-brand) 6%, transparent);
}

@media (prefers-color-scheme: dark) {
  .section--install {
    background:
      radial-gradient(ellipse 68% 52% at 100% 8%, color-mix(in oklch, var(--color-brand) 16%, transparent), transparent 54%),
      radial-gradient(ellipse 50% 42% at 0% 92%, color-mix(in oklch, var(--color-subtle) 45%, transparent), transparent 48%),
      var(--color-canvas);
  }

  .install-timeline__marker {
    box-shadow:
      0 0 0 2px color-mix(in oklch, var(--color-canvas) 55%, var(--color-brand)),
      0 8px 22px oklch(0% 0 0 / 0.35);
  }

  .install-snippet-copy {
    color: color-mix(in oklch, var(--color-ink-muted) 92%, var(--color-ink));
    background: color-mix(in oklch, var(--color-canvas) 78%, var(--color-subtle));
    border-color: color-mix(in oklch, var(--color-border) 80%, transparent);
    box-shadow: 0 1px 3px oklch(0% 0 0 / 0.35);
  }

  .install-snippet-copy:hover {
    background: color-mix(in oklch, var(--color-brand-soft) 28%, var(--color-subtle));
    box-shadow: 0 2px 12px oklch(0% 0 0 / 0.42);
  }

  .disclosure--install[open] {
    box-shadow: 0 14px 40px oklch(0% 0 0 / 0.38);
  }
}

.section--editorial {
  padding-block: clamp(var(--space-2xl), 5vw, var(--space-3xl)) var(--section-y-room);
}

.section--editorial .section__head {
  margin-bottom: clamp(var(--space-xl), 3.5vw, var(--space-2xl));
}

.editorial-grid {
  display: grid;
  gap: clamp(var(--space-lg), 3vw, var(--space-xl));
}

@media (min-width: 800px) {
  .editorial-grid {
    grid-template-columns: 1.18fr 0.92fr 0.92fr;
    gap: clamp(var(--space-lg), 3vw, var(--space-xl));
    align-items: start;
  }
}

.editorial-block {
  padding-top: var(--space-lg);
  border-top: 3px solid color-mix(in oklch, var(--color-brand) 52%, var(--color-border));
  transition: border-color 0.24s var(--ease-out), transform 0.26s var(--ease-out);
}

.editorial-block:hover {
  border-top-color: color-mix(in oklch, var(--color-brand) 72%, var(--color-border));
  transform: translateY(-2px);
}

.editorial-block p {
  margin: var(--space-sm) 0 0;
  font-size: clamp(0.9375rem, 0.35vw + 0.88rem, 1.0625rem);
  line-height: var(--leading-prose);
  color: var(--color-ink-secondary);
}

@media (min-width: 800px) {
  .editorial-block:first-child .heading-md {
    font-size: clamp(1.2rem, 0.9vw + 1rem, 1.45rem);
  }
}

.usage-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.usage-flow li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(var(--space-md), 2vw, var(--space-lg));
  padding-block: clamp(var(--space-md), 2.5vw, var(--space-xl));
  padding-inline: 0;
  border-top: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background-color 0.22s var(--ease-out);
}

.usage-flow li:hover {
  background: color-mix(in oklch, var(--color-subtle) 45%, var(--color-canvas));
}

.usage-flow li:last-child {
  border-bottom: 1px solid var(--color-border);
}

.usage-flow__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-brand);
  letter-spacing: 0.04em;
}

.usage-flow p {
  margin: var(--space-2xs) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: var(--leading-prose);
}

.usage-afterword {
  margin: clamp(var(--space-lg), 3vw, var(--space-xl)) 0 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  line-height: var(--leading-prose);
  color: var(--color-ink-secondary);
}

.section__head--privacy {
  margin-bottom: clamp(var(--space-md), 2vw, var(--space-lg));
}

.privacy-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--space-xl), 4vw, var(--space-2xl));
  padding-top: clamp(var(--space-lg), 3vw, var(--space-xl));
  border-top: 1px solid color-mix(in oklch, var(--color-dark-border) 72%, transparent);
}

.privacy-point {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(var(--space-md), 2.5vw, var(--space-lg));
  align-items: start;
  padding: clamp(var(--space-xs), 1.5vw, var(--space-sm))
    clamp(var(--space-sm), 2vw, var(--space-md));
  margin-inline: calc(var(--space-sm) * -1);
  border-radius: var(--radius-md);
  transition: background-color 0.22s var(--ease-out);
}

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

.privacy-point:hover {
  background-color: color-mix(in oklch, var(--color-dark-subtle) 38%, transparent);
}

.privacy-point__step {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  line-height: 1.2;
  padding-top: 0.28rem;
  color: color-mix(in oklch, var(--color-brand) 58%, var(--color-dark-ink-secondary));
}

.privacy-point__body {
  min-width: 0;
}

.privacy-point__body > .heading-md {
  margin-bottom: var(--space-2xs);
}

.privacy-point__body > .prose {
  margin: 0;
}

.privacy-point__body > .prose p {
  margin: 0;
  max-width: 62ch;
}

.split--privacy {
  margin-top: clamp(var(--space-md), 2.2vw, var(--space-lg));
}

.split--privacy .prose {
  max-width: none;
}

.split--privacy .prose p {
  margin-top: var(--space-2xs);
}

.prose--dark p {
  color: var(--color-dark-ink-secondary);
}

.privacy-kicker {
  margin: clamp(var(--space-2xl), 5vw, var(--space-3xl)) 0 0;
  padding-top: clamp(var(--space-lg), 3vw, var(--space-xl));
  border-top: 1px solid color-mix(in oklch, var(--color-dark-border) 62%, transparent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  line-height: var(--leading-ui);
  max-width: 42ch;
  color: var(--color-dark-ink);
}

.faq-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--space-sm), 1.5vw, var(--space-md));
}

.faq-disclosure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.faq-disclosure summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: background-color 0.22s var(--ease-out), color 0.18s var(--ease-out);
}

.faq-disclosure summary:hover {
  background: color-mix(in oklch, var(--color-subtle) 70%, var(--color-surface));
}

.faq-disclosure summary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-sm);
}

.faq-disclosure summary:active {
  background: color-mix(in oklch, var(--color-subtle) 88%, var(--color-surface));
}

.faq-disclosure summary::-webkit-details-marker {
  display: none;
}

.faq-disclosure summary::after {
  content: "+";
  font-weight: 700;
  color: var(--color-brand);
  flex-shrink: 0;
  transition: transform var(--duration-disclosure) var(--ease-out-disclosure);
  transform: rotate(0deg);
}

.faq-disclosure[open] summary::after {
  transform: rotate(45deg);
}

.faq-disclosure.faq-disclosure--animate > .faq-disclosure__collapse {
  display: block;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-disclosure) var(--ease-out-disclosure);
}

.faq-disclosure.faq-disclosure--animate[open] > .faq-disclosure__collapse {
  max-height: var(--faq-collapse-max);
}

.faq-disclosure.faq-disclosure--animate .faq-disclosure__collapse-sheet {
  overflow: visible;
}

.faq-disclosure__body {
  padding: 0 var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.faq-disclosure__body p {
  margin: var(--space-sm) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: var(--leading-prose);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
}

.footer-links a {
  transition:
    color 0.18s var(--ease-out),
    transform 0.22s var(--ease-out);
}

.footer-links a:hover {
  transform: translateY(-1px);
}

/* ——— Scroll-driven section entrances (soft settle: small slide, gentle opacity lift) ——— */
.reveal-scroll {
  opacity: 1;
  transform: none;
}

@keyframes reveal-scroll-enter {
  from {
    opacity: 0.82;
    transform: translateY(1rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view(block)) {
    .reveal-scroll {
      opacity: 0.82;
      transform: translateY(1rem);
      /* Scroll timeline drives progress; ease maps scroll position → keyframes for a soft finish */
      animation: reveal-scroll-enter linear forwards;
      animation-timeline: view(block);
      animation-range: entry 8% cover 52%;
      animation-timing-function: var(--ease-reveal);
    }
  }

  @supports not (animation-timeline: view(block)) {
    .reveal-scroll:not(.reveal-scroll--visible) {
      opacity: 0.82;
      transform: translateY(1rem);
    }

    .reveal-scroll.reveal-scroll--visible {
      opacity: 1;
      transform: none;
      transition:
        opacity 0.55s var(--ease-reveal),
        transform 0.62s var(--ease-reveal);
    }
  }
}