:root {
  --bg: #eef3f9;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --line: rgba(25, 41, 68, 0.12);
  --text: #10203c;
  --muted: #586984;
  --accent: #10295f;
  --accent-soft: #dae6f5;
  --shadow: 0 20px 60px rgba(16, 32, 60, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Aptos", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(176, 198, 227, 0.9), transparent 36%),
    radial-gradient(circle at 85% 20%, rgba(22, 53, 105, 0.18), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero,
.intro-panel,
.grid-section,
.highlight-box,
.footer {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: var(--radius-xl);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -140px auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 41, 95, 0.18) 0%, rgba(16, 41, 95, 0) 68%);
  pointer-events: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  max-width: 420px;
}

.brand img {
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
  filter: contrast(1.03);
}

.nav-link {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(16, 41, 95, 0.08);
}

.hero-content {
  padding: 56px 8px 34px;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Bahnschrift", "Trebuchet MS", sans-serif;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 5.3rem);
  line-height: 0.96;
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.02;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.lead,
.intro-panel p,
.info-card p,
.highlight-box p,
.footer p {
  font-size: 1.03rem;
  line-height: 1.75;
  color: var(--muted);
}

.lead {
  max-width: 64ch;
  margin: 24px 0 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible,
.nav-link:hover,
.nav-link:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 16px 40px rgba(16, 41, 95, 0.22);
}

.button-secondary {
  background: var(--accent-soft);
  color: var(--accent);
}

.intro-panel,
.product-spotlight,
.grid-section,
.footer {
  margin-top: 22px;
  border-radius: var(--radius-lg);
  padding: 28px;
}

.product-spotlight {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(220, 231, 245, 0.88)),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.spotlight-copy {
  max-width: 70ch;
  margin: 20px 0 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 720px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.info-card {
  background: var(--surface-strong);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid rgba(16, 41, 95, 0.08);
}

.featured-card {
  background: linear-gradient(180deg, rgba(218, 230, 245, 0.9), rgba(255, 255, 255, 0.96));
  border-color: rgba(16, 41, 95, 0.16);
}

.card-index {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
}

.highlight-section {
  margin-top: 22px;
}

.highlight-box {
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 40%),
    linear-gradient(120deg, rgba(16, 41, 95, 0.08), transparent 56%);
  pointer-events: none;
}

.footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.footer-copy {
  max-width: 760px;
}

.footer-note {
  white-space: nowrap;
  color: var(--muted);
}

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

  .footer-note {
    white-space: normal;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding-top: 10px;
  }

  .hero,
  .intro-panel,
  .product-spotlight,
  .grid-section,
  .highlight-box,
  .footer {
    padding: 20px;
  }

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

  .brand {
    max-width: 300px;
  }

  .hero-content {
    padding: 34px 0 12px;
  }
}
