/* ───────────────────────────────────────────────────────────────
   Landing page — public marketing surface at /
   All tokens inherited from platform.css :root
   ─────────────────────────────────────────────────────────────── */

body.landing {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

body.landing .landing-main {
  display: block;
}

/* ── Header ─────────────────────────────────────────────────── */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.landing-logo {
  height: 32px;
  width: auto;
  display: block;
}

.landing-wordmark {
  font-size: var(--text-base);
  letter-spacing: 0.01em;
}

.landing-nav {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.landing-theme-toggle {
  min-width: 36px;
  padding-inline: 10px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.landing-hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 96px;
  position: relative;
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--primary-soft), transparent 60%),
    var(--bg);
}

.landing-hero-inner {
  max-width: 820px;
  text-align: center;
}

.landing-eyebrow {
  margin: 0 0 18px;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}

.landing-hero-title {
  margin: 0 0 20px;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
}

.landing-hero-sub {
  margin: 0 auto 36px;
  max-width: 60ch;
  font-size: var(--text-lg);
  color: var(--text-dim);
}

.landing-hero-cta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.landing-hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-faint);
  font-size: 1.25rem;
  opacity: 0.7;
  animation: landing-bounce 2.4s ease-in-out infinite;
  pointer-events: none;
  user-select: none;
}

@keyframes landing-bounce {
  0%,100% { transform: translate(-50%, 0); }
  50%     { transform: translate(-50%, 6px); }
}

/* ── Section shell ──────────────────────────────────────────── */
.landing-section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.landing-section-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 500;
}

.landing-section-title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.landing-section-sub {
  margin: 0 0 32px;
  font-size: var(--text-lg);
  color: var(--text-dim);
  max-width: 60ch;
}

/* ── Scroll-triggered fade ──────────────────────────────────── */
[data-fade] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease-out, transform .65s ease-out;
  will-change: opacity, transform;
}
[data-fade].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-fade] { opacity: 1; transform: none; transition: none; }
}

/* ── Showcase ───────────────────────────────────────────────── */
.landing-showcase {
  padding: 96px 24px;
  background: var(--bg);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.showcase-loading {
  grid-column: 1 / -1;
  padding: 32px;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.showcase-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: border-color .2s ease, transform .25s ease;
}

.showcase-card:hover .showcase-thumb,
.showcase-card:focus-visible .showcase-thumb {
  border-color: var(--primary);
}

.showcase-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.showcase-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  color: #fff;
  text-shadow: 0 2px 18px rgba(0,0,0,0.5);
  opacity: 0.85;
  pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
}

.showcase-card:hover .showcase-play,
.showcase-card:focus-visible .showcase-play {
  transform: scale(1.1);
  opacity: 1;
}

.showcase-duration {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 2px 6px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  border-radius: 3px;
}

.showcase-title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
}

/* ── How it works ───────────────────────────────────────────── */
.landing-howitworks {
  padding: 96px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.howitworks-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.howitworks-step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px 26px;
  position: relative;
}

.howitworks-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--primary);
  margin-bottom: 14px;
}

.howitworks-step-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.howitworks-step-body {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--text-base);
}

/* ── Features ───────────────────────────────────────────────── */
.landing-features {
  padding: 96px 24px;
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.feature-body {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--text-base);
  line-height: 1.5;
}

/* ── Video modal — wider than platform default for 16:9 player ── */
.landing-video-modal-card {
  width: min(960px, 100%);
}

.landing-video-modal-body {
  padding: 0 1.5rem 1.25rem;
}

.landing-video-modal-body video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
}

.landing-video-modal-meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* ── Contact section ────────────────────────────────────────── */
.landing-contact {
  padding: 96px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.landing-contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.landing-contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 8px;
}

.landing-contact-status {
  min-height: 1.25em;
  font-size: var(--text-sm);
  color: var(--text-dim);
}

.landing-contact-status.is-info    { color: var(--text-dim); }
.landing-contact-status.is-success { color: var(--success); font-weight: 500; }
.landing-contact-status.is-error   { color: var(--danger);  font-weight: 500; }

.landing-contact-submit {
  align-self: flex-start;
}

/* ── Footer ─────────────────────────────────────────────────── */
.landing-footer {
  padding: 32px 24px;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: var(--text-sm);
}

.landing-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.landing-footer-links {
  display: inline-flex;
  gap: 16px;
}

.landing-footer-links a {
  color: var(--text-dim);
  text-decoration: none;
}

.landing-footer-links a:hover {
  color: var(--text);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .landing-header        { padding: 12px 16px; }
  .landing-wordmark      { display: none; }           /* keep logo only on tight widths */
  .landing-hero          { padding: 32px 20px 72px; }
  .landing-hero-cta      { flex-direction: column; align-items: stretch; }
  .landing-hero-cta .btn { width: 100%; }
  .landing-showcase,
  .landing-howitworks,
  .landing-features      { padding: 64px 20px; }
  .landing-contact       { padding: 64px 20px; }
}