:root {
  --navy: #273653;
  --ink: #101828;
  --muted: #5c6678;
  --blue: #46b6ff;
  --blue-dark: #0f7bc2;
  --blue-soft: #e9f6ff;
  --sun: #ffd558;
  --coral: #ff7a5e;
  --line: #d7e5ef;
  --surface: rgba(255, 255, 255, 0.9);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 8%, rgba(255, 213, 88, 0.38), transparent 25rem),
    radial-gradient(circle at 6% 14%, rgba(70, 182, 255, 0.22), transparent 22rem),
    linear-gradient(135deg, #f6fbff 0%, #ffffff 45%, #eaf7ff 100%);
}

a {
  color: var(--blue-dark);
  font-weight: 750;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 26px 22px 56px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin-bottom: 48px;
}

.brand {
  align-items: center;
  color: var(--navy);
  display: flex;
  font-weight: 900;
  gap: 12px;
  letter-spacing: 0.01em;
}

.brand-icon {
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(39, 54, 83, 0.18);
  height: 48px;
  width: 48px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

.hero {
  align-items: center;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
}

.hero-copy h1 {
  color: var(--navy);
  font-size: clamp(2.6rem, 7vw, 5.8rem);
  letter-spacing: -0.055em;
  line-height: 0.9;
  margin: 0 0 22px;
}

.hero-copy p {
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  font-weight: 650;
  margin: 0 0 26px;
  max-width: 620px;
}

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

.button {
  align-items: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: 12px;
  box-shadow: 0 16px 34px rgba(15, 123, 194, 0.24);
  color: white;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  text-transform: uppercase;
}

.button.secondary {
  background: white;
  border: 1px solid var(--line);
  box-shadow: none;
  color: var(--blue-dark);
}

.phone-card {
  background: var(--surface);
  border: 1px solid rgba(70, 182, 255, 0.34);
  border-radius: 24px;
  box-shadow: 0 28px 70px rgba(39, 54, 83, 0.16);
  padding: 26px;
}

.title-logo {
  display: block;
  margin: 0 auto 20px;
  max-width: 420px;
  width: 100%;
}

.app-icon {
  border-radius: 28px;
  box-shadow: 0 24px 54px rgba(39, 54, 83, 0.22);
  display: block;
  margin: 0 auto;
  max-width: 260px;
  width: 70%;
}

.mode-strip {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 54px;
}

.mode {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.mode strong {
  color: var(--navy);
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.mode span {
  color: var(--muted);
  display: block;
  font-size: 0.95rem;
}

.policy {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 20px 54px rgba(39, 54, 83, 0.11);
  margin: 0 auto;
  max-width: 880px;
  padding: clamp(22px, 4vw, 44px);
}

.policy h1 {
  color: var(--navy);
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0 0 12px;
}

.policy h2 {
  color: var(--navy);
  font-size: 1.25rem;
  margin: 32px 0 8px;
}

.policy p,
.policy li {
  color: var(--muted);
  font-size: 1rem;
}

.policy ul {
  padding-left: 1.2rem;
}

.updated {
  color: var(--muted);
  font-weight: 750;
  margin-bottom: 28px;
}

.footer {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 52px;
  text-align: center;
}

@media (max-width: 780px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

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