:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --ink: #1c1c1e;
  --ink-soft: #5b6068;
  --accent: #f2802b;
  --accent-soft: #fff1e2;
  --border: #e4e7ec;
  --caption-bg: rgba(0, 0, 0, 0.78);
  --radius: 14px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Helvetica Neue", Arial, "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0 auto 0 16px;
  padding: 0;
}
.nav-links a { color: var(--ink-soft); font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: default;
  transition: transform .08s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); border-color: var(--border); }
.btn-ghost:hover { text-decoration: none; background: var(--accent-soft); }
.btn-soon { position: relative; opacity: .92; }
.btn-soon::after {
  content: "Coming soon";
  position: absolute;
  bottom: -18px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  color: var(--ink-soft);
  white-space: nowrap;
  font-weight: 500;
}
.nav .btn-soon::after { display: none; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(180deg, var(--accent-soft), #fff 70%);
  padding: 72px 0 80px;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.18;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.hero-lead { font-size: 1.08rem; color: var(--ink-soft); margin: 0 0 28px; max-width: 36em; }
.hero-actions { display: flex; gap: 14px; align-items: center; margin-bottom: 30px; }
.hero-meta { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

/* Hero visual: mock window with caption */
.hero-visual { display: grid; place-items: center; }
.mock-window {
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(20, 40, 80, 0.16);
  overflow: hidden;
}
.mock-titlebar {
  display: flex; gap: 7px;
  padding: 11px 14px;
  background: #f1f3f6;
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.mock-content { position: relative; aspect-ratio: 16 / 10; }
.mock-video {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: repeating-linear-gradient(135deg, #dfe5ee, #dfe5ee 14px, #d7dde7 14px, #d7dde7 28px);
  color: #8a93a3; font-size: 0.95rem; letter-spacing: .02em;
}
.mock-caption, .demo-caption {
  position: absolute;
  left: 50%; bottom: 14px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--caption-bg);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  max-width: 88%;
  text-align: center;
}
.cap-line { font-weight: 600; font-size: 1.02rem; line-height: 1.4; }
.cap-line.volatile { opacity: 0.55; }

/* ---- Sections ---- */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 10px; letter-spacing: -0.01em; }
.section-sub { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 36px; max-width: 44em; }

/* ---- Feature grid ---- */
.feature-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }
.feature-card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.feature-card p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* ---- Overlay feature ---- */
.overlay-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.check-list { list-style: none; margin: 24px 0 0; padding: 0; }
.check-list li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--ink); }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  border-radius: 50%; font-size: 0.72rem; font-weight: 700;
  margin-top: 4px;
}
.overlay-demo {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  background: radial-gradient(120% 120% at 30% 20%, #2b3a55, #11161f);
  box-shadow: 0 24px 60px rgba(10, 20, 40, 0.28);
  overflow: hidden;
}

/* ---- Privacy ---- */
.privacy { text-align: center; }
.privacy-badge { font-size: 2.6rem; margin-bottom: 8px; }
.privacy .section-sub { margin-left: auto; margin-right: auto; }
.pill-list {
  list-style: none; margin: 8px 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.pill-list li {
  background: var(--accent-soft);
  color: #b85c16;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}

/* ---- Specs / Pricing ---- */
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.spec-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.spec-list { list-style: none; margin: 8px 0 0; padding: 0; }
.spec-list li {
  display: flex; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.spec-list li:last-child { border-bottom: none; }
.spec-list span { color: var(--ink-soft); }
.price-card { text-align: center; }
.price { margin: 8px 0 4px; display: flex; align-items: baseline; justify-content: center; gap: 8px; }
.price-amount { font-size: 3rem; font-weight: 800; letter-spacing: -0.02em; }
.price-note { color: var(--ink-soft); font-weight: 600; }
.price-sub { color: var(--ink-soft); margin: 0 0 20px; }
.price-fineprint { font-size: 0.85rem; color: var(--ink-soft); margin: 22px 0 0; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-links { list-style: none; display: flex; gap: 20px; margin: 0 auto; padding: 0; }
.footer-links a { color: var(--ink-soft); font-size: 0.92rem; }
.copyright { color: var(--ink-soft); font-size: 0.85rem; margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .overlay-feature { grid-template-columns: 1fr; }
  .specs { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 540px) {
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}