/* QuickLatch marketing site
   Theme: dark, locked (matches the app; color-scheme pinned).
   Accent: one vermilion, used identically everywhere.
   Shape rule: buttons are full-pill, cards 18px, images 12px.
   Motion: entrance + scroll reveals, transform/opacity only,
   fully disabled under prefers-reduced-motion. */

:root {
  color-scheme: dark;
  --bg: #0a0b0d;
  --bg-raised: #0e1013;
  --text: #f2f3f5;
  --text-dim: #a2a7af;
  --hairline: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.04);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  --accent: #ff453a;
  --accent-hover: #ff5a50;
  --accent-ink: #16090a; /* button text on accent, passes AA */
  --radius-card: 18px;
  --radius-img: 12px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection { background: rgba(255, 69, 58, 0.35); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  background: rgba(10, 11, 13, 0.7);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.nav.is-scrolled { border-bottom-color: var(--hairline); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-mark { color: var(--text); flex: none; }

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
  text-decoration: none;
  padding: 12px 24px;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 8px 28px rgba(255, 69, 58, 0.22);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 10px 32px rgba(255, 69, 58, 0.3);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--hairline);
  background: var(--glass);
}

.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.2); }

.btn-nav { padding: 9px 18px; font-size: 0.9rem; }

.btn-lg { padding: 15px 32px; font-size: 1.05rem; }

/* ---------- Layout primitives ---------- */

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
  font-weight: 700;
}

/* ---------- Hero ---------- */

.hero { padding: 160px 0 96px; }

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: 56px;
}

.hero-title {
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  letter-spacing: -0.032em;
  line-height: 1.05;
  font-weight: 700;
}

.hero-sub {
  margin-top: 22px;
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 46ch;
}

.hero-ctas {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media img,
.split-media img,
.library-media img {
  border-radius: var(--radius-img);
  border: 1px solid var(--hairline);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.hero-copy > * { animation: rise 0.8s var(--ease) both; }
.hero-sub { animation-delay: 0.08s; }
.hero-ctas { animation-delay: 0.16s; }
.hero-media { animation: rise 0.9s var(--ease) 0.12s both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- How it works (split) ---------- */

.how { padding: 96px 0; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: 64px;
}

.flow {
  list-style: none;
  margin-top: 40px;
}

.flow li { padding: 22px 0; }

.flow li + li { border-top: 1px solid var(--hairline); }

.flow h3 {
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.flow p {
  margin-top: 6px;
  color: var(--text-dim);
  font-size: 0.99rem;
  max-width: 44ch;
}

/* ---------- Library (full-width media) ---------- */

.library {
  padding: 96px 0;
  background: var(--bg-raised);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.library-copy {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.library-copy p {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.library-media { margin: 56px auto 0; max-width: 1020px; }

/* ---------- Feature bento ---------- */

.features { padding: 104px 0; }

.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.cell {
  background: var(--glass);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.cell h3 {
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.cell p {
  margin-top: 8px;
  color: var(--text-dim);
  font-size: 0.97rem;
}

.cell-media {
  grid-column: span 7;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.cell-media .cell-copy { padding: 28px 28px 20px; }

.cell-media .cell-img {
  flex: 1;
  min-height: 260px;
  overflow: hidden;
}

.cell-media .cell-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.cell-tint {
  grid-column: span 5;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 69, 58, 0.16), transparent 55%),
    var(--glass);
}

.cell:nth-child(3) { grid-column: span 5; }
.cell:nth-child(4) { grid-column: span 6; }
.cell:nth-child(5) { grid-column: span 6; }

.gesture-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
}

.gesture-line + .gesture-line { margin-top: 6px; }

.kbd {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  border: 1px solid var(--hairline);
  border-radius: 7px;
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- Privacy ---------- */

.privacy {
  padding: 112px 0;
  background: var(--bg-raised);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.privacy-inner {
  max-width: 620px;
  text-align: center;
}

.privacy-inner p {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 1.08rem;
}

.text-link {
  display: inline-block;
  margin-top: 22px;
  color: var(--text);
  font-weight: 600;
  text-underline-offset: 4px;
}

/* ---------- Privacy and support ---------- */

.legal-nav { border-bottom-color: var(--hairline); }

.legal-page {
  min-height: calc(100vh - 76px);
  padding: 142px 24px 96px;
}

.legal-article {
  width: min(100%, 760px);
  margin: 0 auto;
}

.legal-header {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--hairline);
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legal-header h1 {
  margin-top: 12px;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.legal-lede {
  max-width: 62ch;
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 1.12rem;
}

.legal-date {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.legal-article > section {
  padding: 34px 0;
  border-bottom: 1px solid var(--hairline);
}

.legal-article > section:last-child { border-bottom: 0; }

.legal-article section h2 {
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

.legal-article section p,
.legal-article section li {
  color: var(--text-dim);
  font-size: 1rem;
}

.legal-article section p { margin-top: 14px; }

.legal-article section ul {
  margin: 14px 0 0 1.25rem;
  display: grid;
  gap: 12px;
}

.legal-article section strong { color: var(--text); }

.legal-article section a {
  color: var(--text);
  text-underline-offset: 3px;
}

.support-callout {
  margin-top: 38px;
  padding: 30px !important;
  border: 1px solid rgba(255, 69, 58, 0.28) !important;
  border-radius: var(--radius-card);
  background:
    radial-gradient(100% 180% at 100% 0%, rgba(255, 69, 58, 0.16), transparent 58%),
    var(--glass);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.support-callout h2 { margin-top: 8px; }

.support-callout .btn {
  margin-top: 22px;
  color: var(--accent-ink);
  text-decoration: none;
}

/* ---------- Closing CTA ---------- */

.get { padding: 120px 0 128px; }

.get-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.fineprint { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--hairline); }

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.footer-links a,
.footer-note {
  font-size: 0.88rem;
  color: var(--text-dim);
  text-decoration: none;
}

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

/* ---------- Scroll reveals ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Mobile ---------- */

@media (max-width: 960px) {
  .hero-inner,
  .split { grid-template-columns: 1fr; gap: 44px; }

  .hero { padding: 130px 0 72px; }

  .hero-media { order: 2; }

  .cell,
  .cell-media,
  .cell-tint,
  .cell:nth-child(3),
  .cell:nth-child(4),
  .cell:nth-child(5) { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }

  .how, .library, .features, .privacy { padding: 72px 0; }

  .get { padding: 88px 0 96px; }

  .footer-inner { flex-direction: column; gap: 14px; }

  .footer-links { margin-left: 0; }

  .legal-page { padding: 116px 20px 72px; }

  .legal-header { padding-bottom: 36px; }

  .support-callout { padding: 24px !important; }
}

/* ---------- Reduced motion ---------- */

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

  .hero-copy > *,
  .hero-media { animation: none; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn { transition: none; }
  .btn:hover, .btn:active { transform: none; }
}