:root {
  color-scheme: light;
  --bg: #050816;
  --surface: #ffffff;
  --surface-soft: #f4f6ff;
  --text: #f7f9ff;
  --text-dark: #111827;
  --muted: #aeb7cf;
  --muted-dark: #667085;
  --primary: #0f5bff;
  --primary-dark: #00b8ff;
  --accent: #8d35ff;
  --cyan: #00c7ff;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 6%, rgba(0, 199, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(141, 53, 255, 0.24), transparent 30rem),
    linear-gradient(180deg, #050816 0%, #0b1228 48%, #f7f8ff 48%, #f7f8ff 100%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(5, 8, 22, 0.82);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: inline-flex;
  overflow: hidden;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--cyan), var(--accent));
  box-shadow: 0 12px 30px rgba(0, 199, 255, 0.24);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-links {
  gap: 24px;
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.76);
}

.nav-links a:hover {
  color: #fff;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1fr);
  gap: 44px;
  align-items: center;
  padding: 72px 0 60px;
}

.hero-content {
  max-width: 760px;
}

.hero-logo {
  width: min(260px, 72vw);
  height: auto;
  margin-bottom: 22px;
  border-radius: 24px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(2.45rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h1 span,
.gradient-text {
  background: linear-gradient(90deg, #fff, #63dcff 42%, #ae55ff);
  background-clip: text;
  color: transparent;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.hero-copy {
  max-width: 680px;
  color: #c9d1e6;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  box-shadow: 0 14px 34px rgba(0, 199, 255, 0.24);
}

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

.hero-visual,
.card,
.support-panel,
.compact {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.hero-visual {
  overflow: hidden;
  padding: 10px;
  background:
    linear-gradient(135deg, rgba(0, 199, 255, 0.24), rgba(141, 53, 255, 0.2)),
    rgba(255, 255, 255, 0.08);
}

.hero-visual img {
  display: block;
  width: 100%;
  border-radius: 22px;
}

.app-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 36px;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 78px;
}

.preview-copy {
  max-width: 560px;
}

.preview-copy h2,
.preview-copy p {
  color: #fff;
}

.preview-copy p:not(.eyebrow) {
  color: #c9d1e6;
}

.phone-stack {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 18px;
}

.phone-card {
  width: min(220px, 42vw);
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.phone-card.offset {
  margin-top: 46px;
}

.phone-card img {
  display: block;
  width: 100%;
  border-radius: 22px;
}

.phone-card figcaption {
  padding: 12px 6px 4px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
}

.section {
  padding: 72px 0;
  color: var(--text-dark);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted-dark);
  font-size: 1.04rem;
}

.grid {
  display: grid;
  gap: 18px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 26px;
}

.card p,
.privacy-list p,
.support-panel p,
.compact p {
  color: var(--muted-dark);
}

.contrast {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 72px max(16px, calc((100% - 1120px) / 2));
  background:
    radial-gradient(circle at 86% 10%, rgba(141, 53, 255, 0.24), transparent 24rem),
    linear-gradient(135deg, #050816, #111b3d 52%, #152a74);
  color: #fff;
}

.contrast .eyebrow,
.contrast a {
  color: #aebcff;
}

.contrast .section-heading p,
.contrast .privacy-list p {
  color: rgba(255, 255, 255, 0.74);
}

.privacy-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.privacy-list > div {
  min-height: 160px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
}

.support-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 30px;
}

.support-panel ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted-dark);
}

.support-panel li + li {
  margin-top: 8px;
}

.policy-table {
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.policy-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.1fr;
  gap: 18px;
  padding: 18px 22px;
  color: var(--muted-dark);
}

.policy-row + .policy-row {
  border-top: 1px solid rgba(17, 24, 39, 0.08);
}

.policy-row span:first-child {
  color: var(--text-dark);
  font-weight: 900;
}

.policy-head {
  background: linear-gradient(135deg, rgba(15, 91, 255, 0.1), rgba(0, 199, 255, 0.1));
  color: var(--text-dark);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.policy-notes {
  margin-top: 18px;
}

.compact {
  margin-bottom: 60px;
  padding: 30px;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.source-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(15, 91, 255, 0.08);
  color: var(--primary);
  font-weight: 800;
}

.promo-strip {
  width: min(1120px, calc(100% - 32px));
  margin: 72px auto 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: #050816;
  box-shadow: 0 24px 70px rgba(5, 8, 22, 0.2);
}

.promo-strip img {
  display: block;
  width: 100%;
  border-radius: 20px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 0 44px;
  color: var(--muted-dark);
  font-size: 0.94rem;
}

.footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 56px;
  }

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

  .phone-stack {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .phone-card {
    flex: 0 0 210px;
  }

  .two-columns,
  .support-panel,
  .privacy-list,
  .policy-row {
    grid-template-columns: 1fr;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}