:root {
  color-scheme: light;
  --ink: #202126;
  --muted: #666b77;
  --line: #e6e2dc;
  --paper: #fffaf3;
  --panel: #ffffff;
  --brand: #15958b;
  --brand-dark: #0f6f68;
  --rose: #e4546b;
  --gold: #d79d3f;
  --shadow: 0 18px 60px rgba(44, 36, 27, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(228, 84, 107, 0.14), transparent 30rem),
    linear-gradient(180deg, #fffdf9 0%, var(--paper) 48%, #f7fbfa 100%);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(230, 226, 220, 0.86);
  background: rgba(255, 253, 249, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(21, 149, 139, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

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

.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 48px;
  padding: 58px 0 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lead {
  max-width: 640px;
  color: #3f424b;
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.actions.compact {
  margin: 0;
  justify-content: flex-end;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-weight: 750;
  box-shadow: 0 8px 20px rgba(32, 33, 38, 0.06);
}

.button.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.fact,
.card,
.contact-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.fact {
  padding: 14px;
}

.fact strong {
  display: block;
  font-size: 17px;
}

.fact span,
.card p,
.muted {
  color: var(--muted);
}

.app-showcase {
  justify-self: center;
  width: min(360px, 100%);
  margin: 0;
  overflow: hidden;
  border: 12px solid #171719;
  border-radius: 34px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(23, 23, 25, 0.24);
}

.app-showcase img {
  display: block;
  width: 100%;
  height: auto;
}

.section {
  padding: 70px 0;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
}

.card .mark {
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eef8f7;
  color: var(--brand-dark);
  font-weight: 900;
}

.band {
  background: rgba(255, 255, 255, 0.72);
  border-block: 1px solid var(--line);
}

.contact-box {
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.download-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  background: linear-gradient(135deg, rgba(21, 149, 139, 0.1), rgba(228, 84, 107, 0.08)), #fff;
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding: 28px 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.legal {
  max-width: 860px;
  padding: 48px 0 80px;
}

.legal h1 {
  font-size: 42px;
}

.legal article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.86);
}

.legal li {
  margin: 8px 0;
}

@media (max-width: 860px) {
  .nav {
    min-height: 62px;
  }

  .nav-links {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 38px;
  }

  .app-showcase {
    width: min(300px, 100%);
  }

  .facts,
  .section-grid,
  .contact-box,
  .download-box {
    grid-template-columns: 1fr;
  }

  .actions.compact {
    justify-content: flex-start;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand span {
    display: none;
  }

  .nav-links {
    gap: 10px;
  }

  h1 {
    font-size: 44px;
  }

  .lead {
    font-size: 17px;
  }

  .legal article {
    padding: 20px;
  }
}