:root {
  color-scheme: light;
  --ink: #111b2d;
  --muted: #5f6f82;
  --blue: #1466d8;
  --blue-dark: #0b326e;
  --blue-deep: #071d43;
  --blue-soft: #e8f1ff;
  --green: #18a969;
  --green-soft: #e6f8ef;
  --gold: #c27b10;
  --gold-soft: #fff2d5;
  --paper: #f3f7fb;
  --surface: #ffffff;
  --line: #d8e3ef;
  --shadow: 0 24px 70px rgba(11, 50, 110, .14);
  --radius: 24px;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, video { max-width: 100%; }
button, input, select, textarea { font: inherit; }
.shell { width: min(var(--shell), calc(100% - 40px)); margin-inline: auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(216, 227, 239, .85);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(18px);
}
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 22px; font-weight: 850; letter-spacing: -.025em; }
.brand img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 8px 20px rgba(20, 102, 216, .25); }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links > a:not(.play-button) { color: #46566a; text-decoration: none; font-size: 14px; font-weight: 750; }

.play-button {
  min-height: 50px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(17, 27, 45, .2);
  transition: transform .2s ease, box-shadow .2s ease;
}
.play-button:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(17, 27, 45, .26); }
.play-triangle { width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 13px solid #58d48d; filter: drop-shadow(4px 0 0 #5aa5ff); }
.play-button small { display: block; margin-bottom: 1px; color: #b8c3d2; font-size: 9px; font-weight: 700; letter-spacing: .06em; line-height: 1; text-transform: uppercase; }
.play-button span:last-child { display: grid; gap: 2px; }

.hero {
  overflow: hidden;
  padding: 88px 0 78px;
  background:
    radial-gradient(circle at 82% 14%, rgba(72, 145, 244, .28), transparent 30rem),
    linear-gradient(145deg, var(--blue-deep), #0d3f89 60%, #1466d8);
  color: #fff;
}
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: #70e0a5; font-size: 12px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(50px, 6.6vw, 84px); line-height: .98; letter-spacing: -.055em; }
.hero-copy { max-width: 620px; margin-bottom: 30px; color: #d7e4f7; font-size: clamp(18px, 2vw, 21px); line-height: 1.58; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.text-button { min-height: 50px; padding: 0 18px; display: inline-flex; align-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 14px; color: #fff; text-decoration: none; font-size: 14px; font-weight: 800; }
.trust-row { margin-top: 27px; display: flex; flex-wrap: wrap; gap: 10px; }
.trust-chip { padding: 9px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.08); color: #dce9f9; font-size: 12px; font-weight: 750; }
.hero-visual { position: relative; padding: 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 28px; background: rgba(255,255,255,.09); box-shadow: 0 40px 90px rgba(0,0,0,.28); transform: rotate(1.2deg); }
.hero-visual img { display: block; width: 100%; border-radius: 18px; }
.hero-badge { position: absolute; right: -18px; bottom: -22px; padding: 14px 18px; border-radius: 16px; background: #fff; color: var(--ink); box-shadow: var(--shadow); font-size: 13px; font-weight: 850; transform: rotate(-1.2deg); }
.hero-badge b { display: block; color: var(--green); font-size: 21px; }

.section { padding: 100px 0; }
.section.white { background: #fff; }
.section.dark { background: var(--blue-deep); color: #fff; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.kicker { margin: 0 0 14px; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.dark .kicker { color: #6de2a6; }
h2 { margin-bottom: 18px; font-size: clamp(38px, 5vw, 62px); line-height: 1.02; letter-spacing: -.045em; }
.section-lead { margin-bottom: 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.dark .section-lead { color: #c9d8ee; }

.demo-frame { padding: 14px; border: 1px solid var(--line); border-radius: 30px; background: #07142e; box-shadow: var(--shadow); }
.demo-frame video { width: 100%; display: block; border-radius: 18px; background: #07142e; aspect-ratio: 16 / 9; }
.demo-note { margin: 14px 4px 0; color: var(--muted); font-size: 13px; }

.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flow-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 18px 45px rgba(11, 50, 110, .08); }
.flow-shot { height: 330px; overflow: hidden; background: #eaf1f9; }
.flow-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.flow-copy { padding: 22px; }
.step-no { display: inline-grid; width: 32px; height: 32px; place-items: center; margin-bottom: 16px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); font-size: 13px; font-weight: 900; }
.flow-copy h3 { margin-bottom: 9px; font-size: 20px; }
.flow-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.offline-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.offline-panel, .offline-points { padding: 42px; border-radius: var(--radius); }
.offline-panel { background: linear-gradient(145deg, #1466d8, #0c448f); color: #fff; }
.offline-panel .kicker { color: #75e1a9; }
.offline-panel p { margin: 0; color: #dce9f9; font-size: 18px; line-height: 1.65; }
.offline-points { display: grid; gap: 14px; border: 1px solid var(--line); background: #fff; }
.point { display: flex; gap: 15px; align-items: flex-start; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.point:last-child { padding-bottom: 0; border-bottom: 0; }
.point-icon { width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 12px; background: var(--green-soft); color: var(--green); font-weight: 900; }
.point b { display: block; margin-bottom: 4px; }
.point p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.pricing-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 20px; align-items: stretch; }
.price-card { position: relative; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 50px rgba(11, 50, 110, .08); }
.price-card.pro { border: 2px solid var(--blue); box-shadow: 0 24px 70px rgba(20, 102, 216, .16); }
.price-label { margin: 0 0 18px; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.price { margin-bottom: 22px; font-size: 48px; font-weight: 900; letter-spacing: -.05em; line-height: 1; }
.price small { color: var(--muted); font-size: 14px; font-weight: 650; letter-spacing: 0; }
.annual { margin: -10px 0 22px; color: var(--muted); font-size: 14px; }
.feature-list { margin: 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.feature-list li { position: relative; padding-left: 27px; color: #425267; line-height: 1.45; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.price-card .play-button { width: 100%; margin-top: 28px; }
.price-note { margin: 18px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

.founding-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 52px; align-items: center; }
.offer-points { display: grid; gap: 12px; margin-top: 28px; }
.offer-point { display: flex; gap: 12px; align-items: center; color: #d7e5f7; font-weight: 700; }
.offer-point span { width: 30px; height: 30px; flex: none; display: grid; place-items: center; border-radius: 9px; background: rgba(109, 226, 166, .14); color: #6de2a6; }
.signup-form { padding: 34px; border-radius: var(--radius); background: #fff; color: var(--ink); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 800; color: #46566a; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid #cdd9e6; border-radius: 12px; background: #f9fbfd; color: var(--ink); outline: none; }
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(20,102,216,.12); }
.submit-button { width: 100%; min-height: 52px; margin-top: 18px; border: 0; border-radius: 14px; background: var(--blue); color: #fff; font-weight: 850; cursor: pointer; box-shadow: 0 14px 28px rgba(20,102,216,.25); }
.form-note { margin: 13px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

.footer { padding: 34px 0; border-top: 1px solid var(--line); background: #fff; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: #46566a; text-decoration: none; font-weight: 700; }

@media (max-width: 960px) {
  .hero-grid, .founding-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { max-width: 760px; }
}
@media (max-width: 720px) {
  .shell { width: min(100% - 28px, var(--shell)); }
  .nav { min-height: 70px; }
  .nav-links > a:not(.play-button) { display: none; }
  .nav .play-button { min-height: 44px; padding-inline: 13px; }
  .hero { padding: 60px 0 56px; }
  .hero-grid { gap: 42px; }
  .hero-badge { right: 8px; }
  .section { padding: 72px 0; }
  .flow-grid, .offline-grid, .pricing-grid { grid-template-columns: 1fr; }
  .flow-shot { height: 390px; }
  .offline-panel, .offline-points, .price-card, .signup-form { padding: 26px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: 1; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 420px) {
  .brand { font-size: 18px; }
  .brand img { width: 38px; height: 38px; }
  .nav .play-button small { display: none; }
  .flow-shot { height: 330px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .play-button { transition: none; }
}
