:root {
  color-scheme: light;
  --ink: #132036;
  --muted: #506077;
  --line: #d9e1ea;
  --surface: #ffffff;
  --soft: #f5f7f9;
  --accent: #0b6f86;
  --accent-dark: #094f60;
  --gold: #c49b42;
  --shadow: 0 24px 70px rgba(19, 32, 54, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--soft);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 247, 249, 0.98)),
    url("assets/apple-touch-icon.png") right 8vw top 18vh / min(46vw, 520px) auto no-repeat,
    var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  display: block;
  width: min(286px, 54vw);
  height: auto;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

nav a,
footer a {
  text-decoration: none;
}

nav a:hover,
footer a:hover {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 172px);
  margin: 0 auto;
  padding: 38px 0 52px;
}

.hero-copy {
  max-width: 570px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.6rem, 7vw, 5.35rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.lede {
  max-width: 520px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
}

.button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.product-visual {
  overflow: hidden;
  border: 1px solid rgba(19, 32, 54, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.visual-topbar {
  display: flex;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.visual-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #bcc8d4;
}

.visual-grid {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  min-height: 390px;
}

.visual-rail {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: #eef3f6;
}

.visual-rail span {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #d5dee6;
}

.visual-rail .active {
  background: var(--gold);
}

.visual-table {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 28px;
}

.visual-row {
  display: grid;
  grid-template-columns: 76px minmax(140px, 1fr) 80px 56px;
  gap: 16px;
  align-items: center;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.visual-head {
  min-height: 42px;
  color: var(--muted);
  background: #f7f9fb;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.visual-row.selected {
  border-color: rgba(11, 111, 134, 0.55);
  box-shadow: inset 4px 0 0 var(--accent);
}

.visual-row.muted {
  color: var(--muted);
  background: #f7f9fb;
}

.info-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.info-band div {
  min-height: 170px;
  padding: clamp(24px, 4vw, 44px);
  background: #ffffff;
}

.info-band h2 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.info-band p {
  max-width: 410px;
  margin-bottom: 0;
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 34px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

@media (max-width: 900px) {
  .site-header,
  footer {
    width: min(100% - 28px, 680px);
  }

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

  nav {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    width: min(100% - 28px, 680px);
    min-height: 0;
    padding-top: 28px;
  }

  .product-visual {
    order: -1;
  }

  .visual-grid {
    grid-template-columns: 54px minmax(0, 1fr);
    min-height: 320px;
  }

  .visual-rail {
    padding: 22px 12px;
  }

  .visual-rail span {
    width: 28px;
    height: 28px;
  }

  .visual-table {
    padding: 18px;
  }

  .visual-row {
    grid-template-columns: 52px minmax(104px, 1fr) 58px;
    gap: 10px;
    min-height: 48px;
    padding: 0 12px;
    font-size: 0.78rem;
  }

  .visual-row span:nth-child(4) {
    display: none;
  }

  .info-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  body {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 249, 0.99)),
      url("assets/apple-touch-icon.png") right -86px top 180px / 260px auto no-repeat,
      var(--soft);
  }

  nav {
    gap: 16px;
    font-size: 0.86rem;
  }

  h1 {
    font-size: clamp(3.2rem, 18vw, 4.3rem);
  }

  .button {
    width: 100%;
  }

  footer {
    flex-direction: column;
  }
}