:root {
  color-scheme: dark;
  --ink: #f6efe4;
  --muted: rgba(246, 239, 228, 0.68);
  --line: rgba(255, 255, 255, 0.18);
  --glass: rgba(255, 255, 255, 0.12);
  --gold: #f5bf5d;
  --mint: #77e0b5;
  --rust: #d66f4d;
  --night: #10151d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family:
    "Avenir Next", "SF Pro Rounded", "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 16% 18%, rgba(245, 191, 93, 0.28), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(119, 224, 181, 0.2), transparent 24rem),
    linear-gradient(135deg, #0b1018 0%, #142033 52%, #271612 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 420px;
  gap: 56px;
  align-items: center;
  min-height: 680px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(52px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.72;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 14px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.22);
}

.primary-action {
  background: linear-gradient(135deg, var(--gold), #f07e4e);
  color: #24130c;
}

.secondary-action {
  background: var(--glass);
}

.download-note {
  color: var(--muted);
  font-size: 14px;
}

.phone-card {
  position: relative;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 48px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 36px 100px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(28px);
}

.phone-top {
  position: absolute;
  top: 28px;
  left: 50%;
  z-index: 2;
  width: 98px;
  height: 25px;
  border-radius: 999px;
  background: #080a0d;
  transform: translateX(-50%);
}

.phone-screen {
  min-height: 640px;
  padding: 74px 24px 24px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 70% 4%, rgba(245, 191, 93, 0.28), transparent 16rem),
    linear-gradient(160deg, #151e2b, #0d121a);
  overflow: hidden;
}

.status-pill {
  display: inline-flex;
  margin-bottom: 34px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.11);
  color: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.mini-label {
  color: var(--muted);
  font-weight: 800;
}

.phone-screen strong {
  display: block;
  margin-bottom: 16px;
  font-size: 58px;
  letter-spacing: -0.06em;
}

.budget-bar {
  height: 14px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.budget-bar span {
  display: block;
  width: 64%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--gold));
}

.glass-list,
.ai-card,
.security-panel,
.feature-grid article {
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(22px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.glass-list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 13px;
  padding: 16px;
  border-radius: 24px;
}

.glass-list b,
.glass-list small {
  display: block;
}

.glass-list small {
  margin-top: 5px;
  color: var(--muted);
}

.glass-list em {
  color: var(--gold);
  font-style: normal;
  font-weight: 900;
}

.ai-card {
  margin-top: 28px;
  padding: 18px;
  border-radius: 26px;
  color: var(--muted);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.feature-grid article {
  min-height: 250px;
  padding: 24px;
  border-radius: 34px;
}

.feature-grid span {
  color: var(--rust);
  font-weight: 1000;
}

.feature-grid h2,
.security-panel h2 {
  margin-bottom: 12px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.feature-grid p,
.security-panel li {
  color: var(--muted);
  line-height: 1.7;
}

.security-panel {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 28px;
  margin: 18px 0 32px;
  padding: 28px;
  border-radius: 38px;
}

.security-panel ul {
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 920px) {
  .page-shell {
    padding-top: 34px;
  }

  .hero,
  .security-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .phone-card {
    max-width: 420px;
    margin: 0 auto;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 58px;
  }

  .actions a {
    width: 100%;
  }

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

  .phone-screen {
    min-height: 560px;
  }
}