/* Periwinkle dark is the default; Paper light follows the system setting. */
:root {
  color-scheme: dark light;
  --ground: #0E1020;
  --ground-glow: rgba(139, 156, 255, 0.22);
  --surface: #151831;
  --surface-raised: #1B1F3D;
  --border: rgba(166, 171, 200, 0.16);
  --text: #F3F4F6;
  --muted: #A6ABC8;
  --accent: #8B9CFF;
  --on-accent: #0E1020;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 24px 48px -24px rgba(0, 0, 0, 0.6);
  --radius: 24px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans", "Apple SD Gothic Neo", "Noto Sans", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --ground: #F7F7F5;
    --ground-glow: rgba(47, 91, 255, 0.12);
    --surface: #FFFFFF;
    --surface-raised: #F1F2F7;
    --border: #E3E5EC;
    --text: #15171D;
    --muted: #5B616E;
    --accent: #2F5BFF;
    --on-accent: #FFFFFF;
    --shadow: 0 1px 2px rgba(21, 23, 29, 0.04), 0 20px 40px -24px rgba(21, 23, 29, 0.18);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background:
    radial-gradient(1100px 560px at 50% -180px, var(--ground-glow), transparent 70%),
    var(--ground);
  background-repeat: no-repeat;
  color: var(--text);
  font: 17px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; }
p { text-wrap: pretty; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  z-index: 10;
}
.skip:focus { top: 12px; }

/* Header and footer, shared with the privacy page */
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}
.brand img { border-radius: 7px; }
.site-header nav, .site-footer nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-header nav a, .site-footer nav a {
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
}
.site-header nav a:hover, .site-footer nav a:hover { color: var(--text); }
.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--border);
}
.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 28px;
  padding-bottom: 40px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.footer-brand img { border-radius: 5px; }

/* Hero */
.hero { padding-top: 56px; text-align: center; }
.hero-icon {
  border-radius: 24%;
  box-shadow: 0 18px 48px -8px rgba(139, 156, 255, 0.45);
}
.hero h1 {
  margin: 20px 0 8px;
  font-size: clamp(44px, 9vw, 72px);
  font-weight: 750;
  letter-spacing: -0.035em;
}
.hero-pitch {
  max-width: 720px;
  margin: 0 auto 16px;
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.hero-lede {
  max-width: 600px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: 18px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: none; }
.button-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 10px 28px -10px var(--accent);
}
.button-secondary {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.button-secondary:hover { background: var(--surface-raised); }
.hero-note {
  max-width: 520px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 14px;
  text-wrap: balance;
}

/* A dark stage like the Mac overlay: subtitle surfaces stay dark in both themes. */
.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  max-width: 880px;
  aspect-ratio: 16 / 9;
  margin: 56px auto 0;
  padding: 20px;
  overflow: hidden;
  border: 1px solid rgba(166, 171, 200, 0.18);
  border-radius: var(--radius);
  background: #0E1020;
  box-shadow: 0 40px 80px -40px rgba(14, 16, 32, 0.8);
  text-align: left;
}
.stage-scene {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(40% 55% at 70% 32%, rgba(214, 170, 120, 0.55), transparent 70%),
    radial-gradient(45% 60% at 28% 40%, rgba(94, 128, 178, 0.6), transparent 70%),
    radial-gradient(60% 50% at 50% 100%, rgba(31, 34, 73, 0.9), transparent 70%),
    linear-gradient(180deg, #2A3050 0%, #161A30 100%);
  filter: blur(24px);
  transform: scale(1.1);
}
.stage-status {
  position: relative;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(14, 16, 32, 0.6);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #D9DCF0;
  font-size: 13px;
  font-weight: 600;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8B9CFF;
  box-shadow: 0 0 0 0 rgba(139, 156, 255, 0.6);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  to { box-shadow: 0 0 0 8px rgba(139, 156, 255, 0); }
}
.caption {
  position: relative;
  align-self: center;
  width: min(100%, 680px);
  padding: 16px 22px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.82);
  text-align: center;
  transition: opacity 0.35s ease;
}
.caption.fading { opacity: 0; }
.caption p { margin: 0; }
.caption-original { margin-bottom: 6px !important; color: #A6ABC8; font-size: 15px; line-height: 1.4; }
.caption-translation { color: #FFFFFF; font-size: clamp(19px, 2.8vw, 26px); font-weight: 600; line-height: 1.3; }
@media (prefers-reduced-motion: reduce) {
  .dot { animation: none; }
  .button, .caption { transition: none; }
}

/* Sections */
.section { margin-top: 112px; }
.section-head { max-width: 640px; margin: 0 auto 40px; text-align: center; }
.section-head h2 { margin: 0 0 12px; font-size: clamp(30px, 5vw, 44px); letter-spacing: -0.03em; }
.section-head p:last-child { margin: 0; color: var(--muted); font-size: 18px; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Bento grid */
.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-flow: row dense;
  gap: 16px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.card-wide { grid-column: span 2; }
.card-tall { grid-row: span 2; }
.card h3 { margin: 0 0 8px; font-size: 22px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card-text { max-width: 560px; }
.card-small h3 { font-size: 19px; }
.card-small { gap: 12px; }
.shot {
  margin-top: auto;
  overflow: hidden;
  border: 1px solid rgba(166, 171, 200, 0.14);
  border-radius: 16px;
  background: linear-gradient(180deg, #252B59, #0E1020);
}
.shot img { display: block; width: 100%; }
/* Phones sit at the top of a panel that continues the screenshot's dark ground, so a tall card can grow without a seam. */
.shot-phone {
  flex-grow: 1;
  width: min(100%, 300px);
  margin-left: auto;
  margin-right: auto;
  background: radial-gradient(80% 40% at 50% 100%, rgba(139, 156, 255, 0.14), transparent 70%), #0E1020;
}
.options { margin: 4px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 15px; }
.options li { padding: 10px 0; border-top: 1px solid var(--border); }
.options li:first-child { border-top: 0; padding-top: 4px; }
.options strong { color: var(--text); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-raised);
  font-size: 15px;
  font-weight: 500;
}

/* Privacy */
.privacy {
  display: flex;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(500px 240px at 0% 0%, var(--ground-glow), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow);
}
.privacy-icon { flex: none; color: var(--accent); }
.privacy h2 { margin: 0 0 16px; font-size: clamp(28px, 4.5vw, 36px); letter-spacing: -0.03em; }
.privacy p { margin: 16px 0 0; color: var(--muted); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0; padding: 0; list-style: none; font-weight: 600; }
.checks li { display: inline-flex; align-items: center; gap: 8px; }
.checks li::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='m5 9.2 2.6 2.6L13 6.4' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 18px no-repeat;
}
.link-arrow { font-weight: 600; text-decoration: none; }
.link-arrow::after { content: " →"; }
.link-arrow:hover { text-decoration: underline; }

/* Closing call to action */
.cta { text-align: center; }
.cta img { border-radius: 24%; }
.cta h2 { margin: 16px 0 8px; font-size: clamp(30px, 5vw, 44px); letter-spacing: -0.03em; }
.cta p { margin: 0 0 28px; color: var(--muted); font-size: 18px; }

@media (max-width: 960px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-tall { grid-row: auto; }
  .card-small:last-child { grid-column: span 2; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .site-header nav { gap: 4px 16px; }
  .site-header nav a[href="#features"] { display: none; }
  .hero { padding-top: 32px; }
  .hero-lede { font-size: 17px; }
  .actions .button { width: 100%; }
  .stage { aspect-ratio: auto; min-height: 280px; gap: 48px; margin-top: 40px; padding: 14px; border-radius: 20px; }
  .caption { padding: 14px 16px; }
  .caption-original { font-size: 14px; }
  .section { margin-top: 80px; }
  .bento { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .card-wide, .card-small:last-child { grid-column: auto; }
  .card { padding: 22px; gap: 20px; border-radius: 20px; }
  .shot { border-radius: 12px; }
  .privacy { flex-direction: column; gap: 16px; padding: 28px 22px; border-radius: 20px; }
  .site-footer { margin-top: 72px; }
}

/* Privacy policy and other text pages */
.doc { max-width: 720px; padding-top: 32px; }
.doc h1 { margin: 0 0 8px; font-size: clamp(32px, 6vw, 44px); letter-spacing: -0.03em; }
.doc h2 { margin: 40px 0 8px; font-size: 22px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 10px; }
.doc li strong { font-weight: 650; }
.meta { margin: 0 0 32px; color: var(--muted); font-size: 15px; }