:root {
  --navy: #071e38;
  --blue: #1a6db5;
  --cream: #f3efe6;
  --ink: #1b2a3d;
  --muted: #546478;
  --line: #d6dde6;
  --white: #ffffff;
  --green: #2ead6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: inherit;
}

.topbar {
  background: var(--navy);
  color: var(--white);
  padding: 18px clamp(18px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  width: 172px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 999px;
}

.nav a:hover,
.nav a.active {
  background: var(--white);
  color: var(--navy);
}

.hero {
  background: linear-gradient(180deg, var(--navy), #0b3d6f);
  color: var(--white);
  padding: clamp(64px, 10vw, 124px) clamp(22px, 5vw, 72px);
}

.hero-inner,
.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.eyebrow {
  color: #9bc9ff;
  font: 700 12px/1.2 "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 8vw, 82px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  max-width: 900px;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  margin: 0 0 18px;
}

h3 {
  font-size: 19px;
  margin: 0 0 8px;
}

p {
  margin: 0 0 16px;
}

.lead {
  font-size: clamp(18px, 2.2vw, 23px);
  color: rgba(255,255,255,0.78);
  max-width: 760px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.28);
}

.btn.primary {
  background: var(--white);
  color: var(--navy);
}

.btn.secondary {
  color: var(--white);
}

.section {
  padding: clamp(52px, 8vw, 88px) clamp(22px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.section.alt {
  background: #fffaf0;
}

.intro {
  color: var(--muted);
  font-size: 18px;
  max-width: 820px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

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

.card {
  background: rgba(255,255,255,0.62);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.card p,
.list li {
  color: var(--muted);
}

.list {
  margin: 24px 0 0;
  padding-left: 20px;
}

.list li {
  margin: 9px 0;
}

.catalog-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.catalog-item {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255,255,255,0.66);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

a.catalog-item {
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

a.catalog-item:hover {
  border-color: var(--blue);
  background: rgba(255,255,255,0.86);
  transform: translateY(-1px);
}

.tag {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.price {
  white-space: nowrap;
  color: var(--navy);
  font-weight: 800;
}

.notice {
  border-left: 4px solid var(--blue);
  background: rgba(26,109,181,0.08);
  padding: 18px;
  border-radius: 6px;
  margin-top: 26px;
  color: var(--muted);
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.fact {
  border-top: 2px solid var(--blue);
  background: rgba(255,255,255,0.62);
  padding: 16px;
}

.fact strong {
  display: block;
  color: var(--navy);
  margin-bottom: 4px;
}

.fact span {
  color: var(--muted);
  font-size: 14px;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.related a {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  color: var(--navy);
  border-radius: 999px;
  padding: 9px 13px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.related a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.74);
  padding: 34px clamp(22px, 5vw, 72px);
}

.footer-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer a {
  color: #fff;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .grid,
  .grid.two,
  .catalog-list,
  .facts {
    grid-template-columns: 1fr;
  }

  .catalog-item {
    flex-direction: column;
    gap: 8px;
  }
}