* {
  box-sizing: border-box;
}

:root {
  --brand: #146c94;
  --brand-dark: #0c4f70;
  --accent: #19a7a0;
  --text: #17212b;
  --muted: #65727d;
  --line: #e4e9ed;
  --background: #f5f7f9;
  --card: #ffffff;
}

html {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--background);
}

body {
  margin: 0;
  min-height: 100vh;
}

.container {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand img {
  display: block;
  width: 150px;
  height: auto;
  max-height: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .06em;
}

.topbar-label {
  color: var(--muted);
  font-size: 14px;
}

.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(25,167,160,.12), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, #f0f6f8 100%);
  padding: 76px 0 66px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  margin-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 64px);
  line-height: 1;
  letter-spacing: -.045em;
}

.lead {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.downloads {
  padding: 56px 0 70px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  margin-bottom: 26px;
}

.section-icon {
  flex: 0 0 auto;
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--brand);
  background: #e8f4f7;
  font-size: 22px;
  font-weight: 700;
}

h2 {
  margin: 0;
  font-size: 27px;
  letter-spacing: -.025em;
}

.section-heading p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.download-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(20, 42, 56, .055);
  transition: transform .18s ease, box-shadow .18s ease;
}

.download-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(20, 42, 56, .09);
}

.platform-icon {
  flex: 0 0 auto;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: #eef5f8;
  color: var(--brand);
  font-size: 28px;
  font-weight: 700;
}

.platform-icon.apple {
  font-size: 17px;
}

.card-content {
  min-width: 0;
  flex: 1;
}

.tag {
  color: var(--brand);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
}

h3 {
  margin: 5px 0 9px;
  font-size: 21px;
}

.card-content p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0 0 15px;
}

.meta {
  display: flex;
  gap: 8px;
  color: #89949d;
  font-size: 12px;
  margin-bottom: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: background .18s ease, transform .18s ease;
}

.button:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.button span {
  font-size: 18px;
  line-height: 1;
}

.notice {
  margin-top: 28px;
  display: flex;
  gap: 15px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.notice-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brand);
  background: #e8f4f7;
  font-size: 14px;
  font-weight: 800;
}

.notice strong {
  font-size: 14px;
}

.notice p {
  margin: 5px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #89949d;
  font-size: 13px;
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1080px);
  }

  .topbar-inner {
    min-height: 62px;
  }

  .topbar-label {
    display: none;
  }

  .hero {
    padding: 54px 0 48px;
  }

  .lead {
    font-size: 16px;
  }

  .downloads {
    padding: 42px 0 55px;
  }

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

  .download-card {
    padding: 22px;
  }

  .footer-inner {
    min-height: 58px;
  }
}