:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --surface: #ffffff;
  --text: #13202f;
  --muted: #5a6777;
  --line: #d9e0e8;
  --brand: #126b5b;
  --brand-dark: #0a4038;
  --accent: #2767b1;
  --soft: #e9f5f1;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  text-decoration: none;
  font-size: 1.05rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--brand);
}

.brand-mark span {
  width: 16px;
  height: 18px;
  border: 2px solid #ffffff;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  position: relative;
}

.brand-mark span::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 6px;
  left: 2px;
  top: -7px;
  border: 2px solid #ffffff;
  border-bottom: 0;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--text);
}

.nav-status {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--brand-dark);
  background: var(--surface);
}

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto 0;
  min-height: calc(100vh - 132px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: 44px;
  padding: 36px 0 64px;
}

.hero-content {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.subtitle {
  margin: 22px 0 0;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
  line-height: 1.18;
  max-width: 760px;
  color: #233244;
}

.intro {
  margin: 22px 0 0;
  max-width: 690px;
  color: var(--muted);
  font-size: 1.04rem;
}

.actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.inline-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
}

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

.button.secondary,
.inline-link {
  color: var(--brand-dark);
  background: var(--surface);
  border: 1px solid var(--line);
}

.status-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 16px 50px rgba(36, 52, 72, 0.08);
}

.status-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.status-row:first-child {
  padding-top: 0;
}

.status-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.status-row strong {
  display: block;
  line-height: 1.3;
}

.status-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.status-icon,
.section-icon {
  display: inline-block;
  border-radius: var(--radius);
  background: var(--soft);
  border: 1px solid #cfe3dc;
}

.status-icon {
  width: 42px;
  height: 42px;
  position: relative;
}

.status-icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid var(--brand);
}

.status-icon.secure::after {
  border-radius: 4px;
}

.status-icon.private::after {
  border-radius: 50%;
}

.status-icon.stable::after {
  height: 10px;
  top: 15px;
  border-left: 0;
  border-right: 0;
}

.sections {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 64px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.section-icon {
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  position: relative;
}

.section-icon::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 2px solid var(--brand);
}

.section-icon.shield::after {
  border-radius: 3px 3px 8px 8px;
}

.section-icon.lock::after {
  border-radius: 50%;
}

.section-icon.pulse::after {
  height: 10px;
  top: 14px;
  border-left: 0;
  border-right: 0;
}

.section-icon.check::after {
  width: 13px;
  height: 7px;
  top: 12px;
  left: 11px;
  border-top: 0;
  border-right: 0;
  transform: rotate(-45deg);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  letter-spacing: 0;
}

article p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

article .inline-link {
  margin-top: 18px;
}

footer {
  border-top: 1px solid var(--line);
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 34px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

footer p {
  margin: 0;
}

footer a {
  color: var(--brand-dark);
  text-decoration: none;
  font-weight: 650;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 34px 0 46px;
  }

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

@media (max-width: 560px) {
  .site-header,
  .hero,
  .sections,
  footer {
    width: min(100% - 24px, 1120px);
  }

  nav {
    gap: 14px;
    font-size: 0.9rem;
  }

  .actions {
    flex-direction: column;
  }

  .button,
  .inline-link {
    width: 100%;
  }

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

  .status-panel,
  article {
    padding: 18px;
  }
}