:root {
  color-scheme: light;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --text: #192124;
  --muted: #657174;
  --line: #dfe5e2;
  --teal: #0b8178;
  --forest: #183f36;
  --copper: #b76f2a;
  --ink: #10191c;
  --radius: 8px;
  --shadow: 0 18px 42px rgba(24, 36, 38, 0.12);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  height: 68px;
  padding: 0 clamp(18px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(223, 229, 226, 0.84);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--forest);
  color: #ffffff;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #475357;
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--teal);
}

.hero {
  min-height: 88vh;
  padding: 156px clamp(20px, 6vw, 84px) 90px;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(90deg, rgba(12, 24, 25, 0.84) 0%, rgba(12, 24, 25, 0.56) 46%, rgba(12, 24, 25, 0.12) 100%),
    url("https://images.unsplash.com/photo-1556761175-b413da4baf72?auto=format&fit=crop&w=1800&q=82") center / cover no-repeat;
  color: #ffffff;
}

.hero-content {
  width: min(820px, 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8be1d8;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
}

.hero-copy {
  max-width: 720px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.75;
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 80px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
}

.section-copy {
  display: grid;
  gap: 18px;
}

.section-copy p,
.section-title p,
.status-section p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.platform-section {
  border-top: 1px solid var(--line);
}

.section-title {
  display: grid;
  gap: 18px;
  max-width: 880px;
}

.feature-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 250px;
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(29, 43, 42, 0.06);
}

.feature-card span {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: #e5f4f1;
  color: var(--teal);
  font-weight: 900;
}

.feature-card:nth-child(2) span {
  background: #f7ecdf;
  color: var(--copper);
}

.feature-card:nth-child(3) span {
  background: #e9eef1;
  color: #405f6b;
}

.feature-card:nth-child(4) span {
  background: #edf0e5;
  color: #5d7130;
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.status-section {
  margin-bottom: 64px;
  padding: 38px;
  display: grid;
  grid-template-columns: minmax(220px, 0.4fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  background: var(--forest);
  border-radius: var(--radius);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.status-section h2 {
  color: #ffffff;
}

.status-section .eyebrow {
  color: #92e4dc;
}

.status-section p {
  color: rgba(255, 255, 255, 0.78);
}

.site-footer {
  min-height: 86px;
  padding: 24px clamp(20px, 6vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #5a676a;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.site-footer a {
  color: var(--teal);
  font-weight: 700;
}

.site-footer a:hover {
  color: var(--forest);
}

.footer-records {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.police-record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.police-record img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

@media (max-width: 980px) {
  .site-header {
    height: auto;
    min-height: 68px;
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    padding-top: 174px;
  }

  .split,
  .status-section {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .brand span:last-child {
    overflow-wrap: anywhere;
  }

  .hero {
    min-height: 72vh;
    padding: 76px 20px 48px;
    align-items: center;
  }

  .section {
    width: calc(100% - 32px);
    padding: 56px 0;
  }

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

  .feature-card {
    min-height: auto;
  }

  .status-section {
    width: calc(100% - 32px);
    margin-bottom: 40px;
    padding: 26px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-records {
    justify-content: flex-start;
    gap: 10px 18px;
  }
}