:root {
  color-scheme: light;
  --ink: #17342f;
  --muted: #637a74;
  --line: #d8e6e1;
  --paper: #ffffff;
  --soft: #edf7f3;
  --soft-2: #f8f3f5;
  --green: #1f8f68;
  --green-dark: #176a51;
  --gold: #b88735;
  --shadow: 0 24px 70px rgba(28, 75, 65, .14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(240, 248, 244, .96) 0%, rgba(248, 250, 246, .96) 48%, rgba(255, 247, 250, .96) 100%);
  line-height: 1.75;
}

a { color: inherit; }

.site-header {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 24px 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.site-header.compact { padding-bottom: 8px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(31, 143, 104, .16);
}

.brand strong {
  display: block;
  font-size: 22px;
  line-height: 1.2;
}

.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  color: #436059;
  font-size: 15px;
}

nav a {
  text-decoration: none;
}

nav a:hover,
.inline-link:hover {
  color: var(--green-dark);
}

.hero {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  min-height: min(680px, calc(100vh - 92px));
  padding: 72px 0 66px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: 52px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 22px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.lead {
  max-width: 730px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
}

.button.primary {
  color: white;
  background: var(--green);
  border-color: var(--green);
}

.button.secondary {
  background: rgba(255, 255, 255, .7);
}

.phone-demo {
  min-height: 500px;
  border-radius: 36px;
  padding: 24px;
  background: #102d28;
  box-shadow: var(--shadow);
}

.phone-screen {
  height: 100%;
  min-height: 452px;
  border-radius: 28px;
  padding: 28px;
  background: linear-gradient(180deg, #fcfffd 0%, #edf8f2 100%);
  border: 1px solid rgba(255,255,255,.8);
}

.status-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
}

.phone-screen h2 {
  margin-bottom: 8px;
}

.phone-screen p {
  margin: 0 0 20px;
  color: var(--muted);
}

.phone-screen article {
  padding: 16px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.86);
}

.phone-screen article strong {
  display: block;
  margin-bottom: 4px;
}

.phone-screen article span {
  color: var(--muted);
}

.section {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 56px 0;
}

.section-heading {
  margin-bottom: 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-grid article,
.legal-cards a {
  min-height: 178px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 40px rgba(28, 75, 65, .07);
}

.feature-grid p,
.legal-cards p {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 42px;
  align-items: start;
}

.split.soft {
  padding: 34px;
  border: 1px solid #cfe4db;
  border-radius: 8px;
  background: var(--soft);
}

.text-stack p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 17px;
}

.inline-link {
  color: var(--green-dark);
  font-weight: 700;
  text-decoration: none;
}

.info-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255,255,255,.78);
}

.info-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.info-list dt {
  font-weight: 800;
  color: #49645e;
}

.info-list dd {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  width: min(1160px, calc(100% - 36px));
  margin: 32px auto 0;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 12px;
}

.site-footer nav {
  justify-content: flex-start;
  margin-bottom: 10px;
}

.site-footer p {
  margin: 0;
}

.legal-main,
.legal-doc {
  width: min(980px, calc(100% - 36px));
  margin: 0 auto;
}

.legal-hero {
  padding: 74px 0 32px;
}

.legal-hero h1,
.legal-doc h1 {
  font-size: clamp(34px, 5vw, 58px);
}

.legal-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.legal-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 60px;
}

.legal-cards a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.legal-cards span {
  display: block;
  margin-bottom: 10px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.legal-cards strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.legal-doc article {
  margin: 56px 0 70px;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.84);
  box-shadow: 0 18px 55px rgba(28, 75, 65, .08);
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}

.doc-meta span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.legal-doc p,
.legal-doc li {
  color: #465f59;
  font-size: 16px;
}

.legal-doc h2 {
  margin-top: 30px;
  font-size: 24px;
}

@media (max-width: 860px) {
  .site-header,
  .hero,
  .split {
    display: block;
  }
  nav {
    justify-content: flex-start;
    margin-top: 14px;
  }
  .hero {
    padding-top: 46px;
  }
  .phone-demo {
    min-height: 420px;
    margin-top: 32px;
  }
  .phone-screen {
    min-height: 372px;
  }
  .feature-grid,
  .info-list,
  .legal-cards {
    grid-template-columns: 1fr;
  }
  .info-list div {
    grid-template-columns: 1fr;
    border-right: 0;
  }
  .split.soft,
  .legal-doc article {
    padding: 24px;
  }
}