/* ============================================================================
   Landing page (logged-out front door, saas mode) — ui/landingView.js.
   Sits above the canvas as its own scroll container; every color/space/radius
   comes from variables.css so dark mode works for free.
   ========================================================================== */

.landing {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  overflow-y: auto;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* ---- header ------------------------------------------------------------- */

.landing__header {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-hairline);
}

.landing__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.landing__brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.landing__brand-name {
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
}

.landing__beta-chip {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
}

.landing__nav {
  display: flex;
  gap: var(--space-2);
}

/* ---- shared type -------------------------------------------------------- */

.landing__eyebrow {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-secondary);
  margin: 0 0 var(--space-2);
}

/* ---- hero + picker -------------------------------------------------------- */

.landing__hero {
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(48px, 10vh, 120px) var(--space-5) var(--space-8);
  text-align: center;
}

.landing__title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  margin: 0 0 var(--space-4);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}

.landing__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: var(--leading-normal);
  color: var(--color-ink-secondary);
  margin: 0 auto var(--space-7);
  max-width: 620px;
}

.landing__picker-prompt {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  margin: 0 0 var(--space-4);
}

.landing__picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.landing__pick {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-5) var(--space-3);
  background: var(--color-surface-raised);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition:
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.landing__pick:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.landing__pick.is-active {
  border: 1.5px solid var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.landing__pick-emoji {
  font-size: 1.8rem;
}

.landing__pick-label {
  font-weight: var(--weight-semibold);
  font-size: var(--text-md);
}

.landing__pick-sub {
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
}

/* ---- journey --------------------------------------------------------------- */

.landing__journey {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-8);
}

.landing__lede {
  max-width: 640px;
  margin: 0 auto var(--space-6);
  text-align: center;
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--color-ink-secondary);
}

.landing__rail {
  position: sticky;
  top: 58px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2);
  margin-bottom: var(--space-6);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
}

.landing__rail-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: var(--border-hairline);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink-secondary);
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.landing__rail-chip .landing__rail-num {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-round);
  background: var(--color-surface-sunken);
  font-size: var(--text-xs);
}

.landing__rail-chip.is-active {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.landing__rail-chip.is-active .landing__rail-num {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.landing__journey-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: var(--space-7);
  align-items: start;
}

.landing__stage {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.landing__stage h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 var(--space-3);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
}

.landing__stage-body {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-ink-secondary);
  margin: 0;
  max-width: 44ch;
}

.landing__media {
  position: sticky;
  top: 120px;
}

.landing__media-frame {
  aspect-ratio: 16 / 10;
  border: var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-2);
  display: grid;
}

.landing__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing__media-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-5);
}

.landing__media-emoji {
  font-size: 2.2rem;
}

.landing__media-stage {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin: 0;
}

.landing__media-headline {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  margin: 0;
}

/* ---- finale ------------------------------------------------------------------ */

.landing__finale {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-5);
  text-align: center;
}

.landing__finale-title {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin: 0 0 var(--space-2);
  font-weight: var(--weight-semibold);
}

.landing__finale-blurb {
  color: var(--color-ink-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-5);
  line-height: var(--leading-normal);
}

.landing__artifact {
  border: var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-3);
  text-align: left;
}

.landing__artifact-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-hairline);
  background: var(--color-surface);
}

.landing__artifact-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-round);
  background: var(--color-border-strong);
}

.landing__artifact-badge {
  margin-left: auto;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
}

.landing__artifact-body {
  aspect-ratio: 16 / 10;
  display: grid;
}

.landing__artifact-frame {
  width: 100%;
  height: 100%;
  border: 0;
}

.landing__artifact-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
  color: var(--color-ink-secondary);
  padding: var(--space-5);
}

.landing__artifact-placeholder p {
  margin: 0;
}

.landing__finale-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.landing__finale-cta p {
  margin: 0;
  color: var(--color-ink-secondary);
}

/* ---- trust ------------------------------------------------------------------- */

.landing__trust {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-5);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.landing__trust-card {
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.landing__trust-card h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

.landing__trust-card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-ink-secondary);
}

/* ---- pricing -------------------------------------------------------------------- */

.landing__pricing {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
  text-align: center;
}

.landing__pricing h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0 0 var(--space-6);
  font-weight: var(--weight-semibold);
}

.landing__pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.landing__price-card {
  background: var(--color-surface-raised);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: left;
}

.landing__price-card--featured {
  border: 1.5px solid var(--color-accent);
  box-shadow: var(--shadow-2);
}

.landing__price-card h3 {
  margin: 0 0 var(--space-1);
  font-size: var(--text-md);
}

.landing__price {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin: 0 0 var(--space-3);
}

.landing__price span {
  font-size: var(--text-sm);
  font-weight: var(--weight-regular);
  color: var(--color-ink-secondary);
}

.landing__price-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: var(--text-sm);
  color: var(--color-ink-secondary);
  line-height: 1.8;
}

/* ---- footer ------------------------------------------------------------------------ */

.landing__footer {
  text-align: center;
  padding: var(--space-8) var(--space-5) 96px;
}

.landing__footer h2 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  margin: 0 0 var(--space-5);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
}

.landing__footer-signin {
  margin-top: var(--space-4);
  color: var(--color-ink-secondary);
  font-size: var(--text-sm);
}

.landing__footer-signin button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
}

/* same quiet accent treatment as the Sign in button beside it */
.landing__footer-signin .landing__footer-docs {
  color: var(--color-accent);
}

/* ---- responsive ---------------------------------------------------------------------- */

@media (max-width: 900px) {
  .landing__picker,
  .landing__pricing-grid {
    grid-template-columns: 1fr;
  }

  .landing__trust {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing__journey-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Media docks under the rail; stages scroll beneath it. */
  .landing__media {
    order: -1;
    top: 108px;
    z-index: 1;
  }

  .landing__media-frame {
    aspect-ratio: 16 / 9;
  }

  .landing__stage {
    min-height: 46vh;
  }

  .landing__rail {
    top: 54px;
  }

  .landing__rail-chip {
    padding: 4px 10px;
  }
}

@media (max-width: 560px) {
  .landing__trust {
    grid-template-columns: 1fr;
  }

  .landing__artifact-body {
    aspect-ratio: 3 / 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing__pick,
  .landing__pick:hover {
    transition: none;
    transform: none;
  }
}