:root {
  color-scheme: dark;
  --bg: #030914;
  --surface: #07152e;
  --surface-2: #0d2148;
  --surface-3: #102d61;
  --ink: #f7fbff;
  --soft: #b9c7db;
  --muted: #7e91ad;
  --line: rgba(185, 199, 219, 0.18);
  --blue: #2f9cff;
  --cyan: #37d6f5;
  --green: #50d88a;
  --orange: #ff9a55;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, #092a52 0, #061228 360px, var(--bg) 100%);
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.08rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--cyan), #6a5cff);
  color: white;
  box-shadow: 0 12px 28px rgba(47, 156, 255, 0.28);
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--soft);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
}

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

.hero,
.section,
.legal-page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 670px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: center;
  gap: 56px;
  padding: 54px 0 80px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.78rem;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.08;
}

h3 {
  font-size: 1.15rem;
}

.lead {
  color: var(--soft);
  font-size: 1.18rem;
  line-height: 1.65;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 18px;
}

.button {
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: linear-gradient(135deg, var(--cyan), #3388ff);
  color: #061228;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border: 1px solid var(--line);
}

.note {
  color: var(--muted);
}

.phone-preview {
  justify-self: center;
}

.phone-shell {
  width: 330px;
  min-height: 660px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 42px;
  background: #061126;
  box-shadow: var(--shadow);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.phone-status {
  width: 118px;
  height: 28px;
  border-radius: 999px;
  background: #000;
  margin: 0 auto 10px;
}

.preview-card,
.preview-grid > div,
.preview-list > div,
.feature-card,
.support-card,
.link-list,
.legal-section {
  border: 1px solid var(--line);
  background: rgba(13, 33, 72, 0.78);
  border-radius: var(--radius);
}

.preview-card {
  padding: 20px;
}

.preview-card span,
.preview-grid span,
.preview-list span {
  display: block;
  color: var(--soft);
  font-size: 0.88rem;
  margin-bottom: 7px;
}

.preview-card strong,
.preview-grid strong,
.preview-list strong {
  display: block;
}

.sparkline {
  height: 4px;
  margin-top: 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.preview-grid > div {
  padding: 16px;
}

.preview-list {
  display: grid;
  gap: 12px;
}

.preview-list > div {
  padding: 16px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.section {
  padding: 72px 0;
}

.section-heading {
  margin-bottom: 28px;
  max-width: 700px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 22px;
}

.feature-card p,
.legal-section p,
.legal-section li,
.support-card p {
  color: var(--soft);
  line-height: 1.62;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.link-list {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.link-list a {
  padding: 15px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 52px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
}

.legal-page {
  padding: 52px 0 72px;
}

.legal-page h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
}

.legal-section,
.support-card {
  padding: 24px;
  margin-top: 18px;
}

.legal-section h2,
.support-card h2 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.legal-section a,
.support-card a,
.site-footer a {
  color: var(--cyan);
}

.centered-page {
  min-height: 100vh;
  display: grid;
  align-content: center;
  justify-items: start;
}

.centered-brand {
  margin-bottom: 24px;
}

@media (max-width: 920px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
  }

  .phone-preview {
    justify-self: start;
  }

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

@media (max-width: 620px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

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

  .phone-shell {
    width: min(330px, calc(100vw - 32px));
  }

  .preview-list > div {
    flex-direction: column;
  }
}