:root {
  color-scheme: light;
  --bg: #f6f9fd;
  --surface: #ffffff;
  --text: #0a2244;
  --muted: #52677f;
  --line: #d8e3ef;
  --blue: #1769e8;
  --blue-dark: #0c3f9c;
  --shadow: 0 18px 50px rgba(10, 34, 68, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  background: rgba(246, 249, 253, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.nav {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1080px;
  padding: 14px 20px;
}

.brand {
  align-items: center;
  color: var(--text);
  display: flex;
  font-weight: 800;
  gap: 10px;
}

.brand img {
  border-radius: 12px;
  height: 38px;
  width: 38px;
}

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

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.hero {
  display: grid;
  gap: 42px;
  grid-template-columns: 1.05fr 0.95fr;
  margin: 0 auto;
  max-width: 1080px;
  min-height: calc(100vh - 72px);
  padding: 78px 20px 56px;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5.25rem);
  letter-spacing: 0;
  line-height: 0.96;
  margin: 14px 0 20px;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0 0 14px;
}

h3 {
  margin-bottom: 8px;
}

p {
  color: var(--muted);
  font-size: 1.06rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 640px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  background: var(--blue);
  border-radius: 8px;
  color: white;
  display: inline-flex;
  font-weight: 750;
  min-height: 46px;
  padding: 0 18px;
}

.button.secondary {
  background: white;
  border: 1px solid var(--line);
  color: var(--text);
}

.phone-card {
  align-self: center;
  background: linear-gradient(160deg, #ffffff 0%, #dfefff 100%);
  border: 1px solid rgba(23, 105, 232, 0.18);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 36px;
}

.app-icon {
  border-radius: 28px;
  box-shadow: 0 20px 42px rgba(12, 63, 156, 0.26);
  display: block;
  margin: 0 auto 26px;
  max-width: 240px;
  width: 62%;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.feature-list li {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(216, 227, 239, 0.9);
  border-radius: 8px;
  color: var(--text);
  list-style: none;
  padding: 12px 14px;
}

.section {
  margin: 0 auto;
  max-width: 1080px;
  padding: 58px 20px;
}

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

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

.page {
  margin: 0 auto;
  max-width: 860px;
  padding: 52px 20px 80px;
}

.page h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
}

.page section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 18px;
  padding: 22px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin: 0 auto;
  max-width: 1080px;
  padding: 28px 20px 44px;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
    padding-top: 48px;
  }
}