:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --ink: #101217;
  --muted: #5f6673;
  --line: #dfe4ec;
  --orange: #ff7a21;
  --green: #13a772;
  --blue: #1e6eea;
  --navy: #0b1020;
  --shadow: 0 20px 60px rgba(13, 21, 38, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgba(223, 228, 236, 0.8);
  background: rgba(247, 248, 251, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 8px 20px rgba(16, 18, 23, 0.18);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(780px, calc(100vh - 64px));
  padding: clamp(56px, 9vw, 112px) clamp(20px, 4vw, 64px) 72px;
  background:
    linear-gradient(90deg, rgba(5, 7, 12, 0.96) 0%, rgba(5, 7, 12, 0.84) 45%, rgba(5, 7, 12, 0.48) 100%),
    #0b1020;
  color: #ffffff;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 760px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(13, 21, 38, 0.08);
}

.button.primary {
  border-color: var(--orange);
  background: var(--orange);
  color: #ffffff;
}

.product-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.phone {
  position: relative;
  width: min(360px, 86vw);
  margin: 34px 8vw 0 auto;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 42px;
  background:
    radial-gradient(circle at 72% 12%, rgba(255, 122, 33, 0.28), transparent 28%),
    linear-gradient(160deg, #151923, #05070c);
  box-shadow: 0 30px 90px rgba(5, 7, 12, 0.28);
}

.screen {
  min-height: 520px;
  overflow: hidden;
  border-radius: 30px;
  background: #f4f5f8;
  padding: 24px 20px;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.screen-title {
  font-size: 30px;
  font-weight: 900;
}

.status-pill {
  border-radius: 999px;
  background: rgba(19, 167, 114, 0.14);
  color: var(--green);
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 800;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.metric {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  padding: 12px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.metric strong {
  display: block;
  color: var(--orange);
  font-size: 28px;
  line-height: 1.1;
}

.feed-card {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.logo-tile {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #0b1020;
  color: #ffffff;
  font-weight: 900;
}

.signal-name {
  font-weight: 900;
}

.signal-sub {
  color: var(--muted);
  font-size: 13px;
}

.badge {
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(19, 167, 114, 0.12);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.badge.sell {
  background: rgba(232, 65, 91, 0.12);
  color: #d93656;
}

.app-icon-float {
  position: absolute;
  right: 8%;
  bottom: 30px;
  width: 98px;
  height: 98px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.section {
  padding: 72px clamp(20px, 4vw, 64px);
}

.section.dark {
  background: var(--navy);
  color: #ffffff;
}

.section h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-intro {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.dark .section-intro {
  color: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
  box-shadow: 0 10px 28px rgba(13, 21, 38, 0.05);
}

.dark .card {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.card p {
  color: var(--muted);
}

.dark .card p {
  color: rgba(255, 255, 255, 0.68);
}

.legal-shell,
.support-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 20px 88px;
}

.legal-shell h1,
.support-shell h1 {
  font-size: clamp(40px, 6vw, 68px);
}

.document {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(24px, 4vw, 44px);
  box-shadow: var(--shadow);
}

.document h2 {
  margin-top: 32px;
  font-size: 24px;
}

.document h2:first-child {
  margin-top: 0;
}

.document p,
.document li {
  color: var(--muted);
}

.document a {
  color: var(--blue);
  font-weight: 750;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding: 34px clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

@media (max-width: 880px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 260px;
  }

  .product-visual {
    top: auto;
    height: 430px;
    opacity: 0.72;
  }

  .phone {
    width: min(320px, 82vw);
    margin: 0 auto;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}