:root {
  color-scheme: dark;
  --bg: #0c0f14;
  --surface: #151922;
  --surface-2: #1b2130;
  --text: #f2f5fb;
  --muted: #a9b2c3;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #3c6df0;
  --accent-2: #00acc1;
  --warning: #f6b43b;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 75% 20%, rgba(60, 109, 240, 0.2), transparent 32rem),
    radial-gradient(circle at 20% 80%, rgba(0, 172, 193, 0.12), transparent 24rem),
    var(--bg);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.header-link {
  color: var(--muted);
  font-size: 15px;
}

.header-nav {
  display: flex;
  gap: 18px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 56px;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  min-height: calc(100vh - 78px);
  margin: 0 auto;
  padding: 54px 0 72px;
}

.hero-copy {
  max-width: 710px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #9eb2ff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(44px, 8vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.button.full {
  width: 100%;
}

.product-visual {
  display: flex;
  justify-content: center;
}

.phone-shell {
  width: min(100%, 360px);
  min-height: 520px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(155deg, #1a2030, #0f1219);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.app-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--muted);
  font-weight: 700;
}

.app-top img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.status-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(60, 109, 240, 0.25), transparent 55%),
    var(--surface);
}

.signal {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #43a047;
}

.status-card strong {
  font-size: 28px;
}

.status-card small {
  color: var(--muted);
  font-size: 15px;
}

.connect-pill {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  padding: 14px;
  border-radius: 999px;
  background: #b9c4ff;
  color: #132049;
  font-weight: 800;
}

.mode-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.mode-row span {
  padding: 10px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.download-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 86px;
}

.purchase-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 34px;
}

.section-heading {
  margin-bottom: 20px;
}

h2 {
  margin-bottom: 0;
  font-size: 34px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.purchase-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 16px;
}

.price-card,
.purchase-form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.price-card {
  display: grid;
  align-content: space-between;
  gap: 24px;
}

.plan-name {
  display: block;
  margin-bottom: 10px;
  color: #9eb2ff;
  font-weight: 800;
}

.price {
  display: block;
  margin-bottom: 14px;
  font-size: 54px;
  line-height: 1;
}

.plan-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.45;
}

.purchase-form {
  display: grid;
  gap: 14px;
}

.purchase-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.purchase-form small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
}

.purchase-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #10151f;
  color: var(--text);
  font: inherit;
}

.purchase-form input:focus {
  border-color: rgba(60, 109, 240, 0.72);
  outline: none;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.download-card {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.download-card.muted {
  background: rgba(255, 255, 255, 0.04);
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: rgba(60, 109, 240, 0.18);
  color: #cbd5ff;
  font-weight: 900;
}

.download-card h3 {
  margin-bottom: 6px;
  font-size: 24px;
}

.download-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    padding-top: 34px;
  }

  h1 {
    font-size: 48px;
  }

  .lead {
    font-size: 18px;
  }

  .product-visual {
    justify-content: flex-start;
  }

  .phone-shell {
    min-height: 430px;
  }

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

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

  .site-footer {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 460px) {
  .site-header,
  .hero,
  .purchase-section,
  .download-section,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: 40px;
  }

  .hero-actions {
    flex-direction: column;
  }
}
