:root {
  color-scheme: light;
  --bg: #eef4f1;
  --ink: #153032;
  --muted: #4f6667;
  --brand: #0d5c63;
  --brand-strong: #083f44;
  --accent: #d6943a;
  --surface: #ffffff;
  --surface-soft: #f7fbf9;
  --line: #c9d8d3;
  --shadow: 0 18px 42px rgb(17 42 43 / 12%);
  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(--ink);
  line-height: 1.55;
}

a {
  color: var(--brand);
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  font-weight: 700;
}

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

.hero {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: 36px;
  padding: clamp(32px, 6vw, 70px);
  color: #f7fcfb;
  background:
    linear-gradient(90deg, rgb(8 63 68 / 92%), rgb(13 92 99 / 72%)),
    url("/assets/boat-icon.png") right 42px center / min(42vw, 420px) no-repeat,
    #0d5c63;
  border-radius: 8px;
  overflow: hidden;
}

.hero h1 {
  margin: 10px 0 14px;
  color: #ffffff;
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero p {
  max-width: 640px;
  margin: 0;
  color: #e4f0ec;
  font-size: 1.15rem;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button,
.store-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button {
  padding: 12px 18px;
}

.button.primary {
  background: var(--accent);
  color: #231708;
}

.button.secondary {
  border: 1px solid rgb(255 255 255 / 62%);
  color: #ffffff;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.vessel-panel {
  width: min(100%, 430px);
  padding: 22px;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 8px;
  background: rgb(255 255 255 / 12%);
  backdrop-filter: blur(8px);
}

.panel-head,
.status-grid {
  display: grid;
  gap: 10px;
}

.panel-head {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgb(255 255 255 / 25%);
  font-weight: 800;
}

.panel-head strong {
  padding: 5px 10px;
  border-radius: 999px;
  background: #c8f1c9;
  color: #124519;
}

.status-grid {
  grid-template-columns: 1fr auto;
  padding-top: 16px;
}

.status-grid strong {
  color: #ffffff;
}

.band {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 32px;
  align-items: start;
  padding: clamp(36px, 6vw, 64px) 0;
}

.band + .band {
  border-top: 1px solid var(--line);
}

.section-copy h2,
.policy h1 {
  margin: 0;
  color: var(--brand-strong);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-copy p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.feature-grid,
.store-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-grid article,
.system-list li,
.store-link,
.policy,
.reference-list > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-grid article {
  padding: 22px;
}

h3 {
  margin: 0;
  color: var(--brand-strong);
  font-size: 1.2rem;
}

.feature-grid p {
  margin: 10px 0 0;
  color: var(--muted);
}

.system-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.system-list li {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 18px;
  padding: 16px 18px;
}

.system-list span {
  color: var(--brand-strong);
  font-weight: 800;
}

.system-list small {
  color: var(--muted);
  font-size: 0.96rem;
}

.url-line a {
  overflow-wrap: anywhere;
  font-weight: 800;
}

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

.store-link {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 24px;
  color: var(--ink);
}

.store-link strong {
  color: var(--brand);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  justify-content: space-between;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-weight: 800;
}

.site-footer a {
  font-weight: 700;
}

.policy-page {
  max-width: 860px;
  padding-bottom: 56px;
}

.policy {
  padding: clamp(24px, 6vw, 56px);
}

.policy h1 {
  margin-top: 8px;
}

.updated {
  color: var(--muted);
  font-weight: 700;
}

.policy section {
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.policy h2 {
  margin: 0;
  color: var(--brand-strong);
  font-size: 1.35rem;
}

.policy p {
  margin: 10px 0 0;
  color: var(--muted);
}

.reference-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
}

.reference-list > div {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: 16px;
  padding: 12px 14px;
  box-shadow: none;
}

.reference-list dt,
.reference-list dd {
  margin: 0;
}

.reference-list dt {
  color: var(--brand-strong);
  font-weight: 800;
}

.reference-list dd {
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero,
  .band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(90deg, rgb(8 63 68 / 94%), rgb(13 92 99 / 78%)),
      url("/assets/boat-icon.png") right 24px top 28px / 180px no-repeat,
      #0d5c63;
  }

  .hero-visual {
    justify-content: stretch;
  }

  .vessel-panel {
    width: 100%;
  }

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

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    padding: 28px 22px;
  }

  .hero h1 {
    font-size: 3.1rem;
  }

  .system-list li,
  .reference-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}