:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #5d6863;
  --line: #d8dfdc;
  --panel: #ffffff;
  --soft: #f5f7f2;
  --field: #eef3f1;
  --teal: #0f766e;
  --green: #267348;
  --gold: #b56b11;
  --red: #a44536;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(245, 247, 242, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  color: var(--teal);
  font-size: 14px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 7vw, 96px) clamp(18px, 5vw, 72px) 36px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 840px;
  font-size: clamp(44px, 8vw, 92px);
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
}

h3 {
  font-size: 20px;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-weight: 720;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--line);
  background: var(--line);
}

.status-strip div {
  min-height: 92px;
  padding: 16px;
  background: var(--panel);
}

.status-strip strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.system-map {
  margin: 0;
}

.system-map img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.system-map figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.section.alt {
  background: #fff;
}

.section-header {
  max-width: 840px;
  margin-bottom: 32px;
}

.section-header p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
}

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

.card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.card p,
.policy p,
.checkout-panel p {
  color: var(--muted);
}

.metric {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

.pricing-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: start;
}

.price {
  margin: 16px 0 8px;
  font-size: 42px;
  font-weight: 800;
}

.price small {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

.checkout-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
}

.checkout-panel ul {
  padding-left: 20px;
}

.notice {
  padding: 12px 14px;
  border-left: 4px solid var(--gold);
  background: #fff8ee;
  color: #58370d;
  font-size: 14px;
}

.policy {
  max-width: 860px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer nav {
  display: flex;
  gap: 14px;
}

@media (max-width: 860px) {
  .hero,
  .pricing-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 580px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }
}