:root {
  --blue: #1e3a8a;
  --blue2: #2563eb;
  --ink: #0f172a;
  --muted: #64748b;
  --bg: #f8fafc;
  --line: #e2e8f0;
  --card: #ffffff;
  --soft: #eef6ff;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Roboto, Inter, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 42%, #fff 100%);
  line-height: 1.6;
}

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

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0.2px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), #60a5fa);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
}

.brand small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  margin-top: -4px;
}

.navlinks {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 14px;
  color: #334155;
}

.navlinks a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.navlinks a:hover,
.navlinks a.active {
  color: var(--blue2);
  border-color: var(--blue2);
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 9px 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 999px;
  padding: 13px 19px;
  font-weight: 800;
  font-size: 14px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 20px rgba(30, 58, 138, 0.06);
}

.btn.primary {
  background: var(--blue2);
  color: #fff;
  border-color: var(--blue2);
}

.btn.dark {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.hero {
  padding: 92px 0 64px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  padding: 8px 13px;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--blue);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  margin: 18px 0 20px;
  letter-spacing: -0.055em;
}

.lead {
  font-size: 18px;
  color: #475569;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-card {
  position: relative;
}

.hero-card:before {
  content: "";
  position: absolute;
  inset: -24px -24px auto auto;
  width: 220px;
  height: 220px;
  background: #dbeafe;
  border-radius: 999px;
  filter: blur(10px);
  z-index: -1;
}

.shot {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #dbeafe;
  background: white;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.stat {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.stat b {
  display: block;
  font-size: 28px;
  color: var(--blue2);
  line-height: 1;
}

.stat span {
  font-size: 12px;
  color: #64748b;
  font-weight: 700;
}

.section {
  padding: 76px 0;
}

.section.soft {
  background: linear-gradient(180deg, #f8fbff, #ffffff);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: end;
  margin-bottom: 30px;
}

.section h2 {
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.04;
  margin: 0;
  letter-spacing: -0.04em;
}

.section p.sub {
  color: #64748b;
  margin: 10px 0 0;
  max-width: 760px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.05);
}

.card h3 {
  font-size: 22px;
  line-height: 1.18;
  margin: 0 0 10px;
}

.card p {
  color: #64748b;
  margin: 0;
}

.pill {
  display: inline-flex;
  background: #eff6ff;
  color: var(--blue);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 12px;
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  padding: 0;
}

.product-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  background: #eef2ff;
}

.product-body {
  padding: 22px;
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid #eef2f7;
  padding-top: 8px;
  color: #475569;
  font-size: 14px;
}

.spec-list strong {
  color: #0f172a;
}

.band {
  background: linear-gradient(135deg, var(--blue), #2563eb);
  color: white;
  border-radius: 32px;
  padding: 36px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow);
}

.band h2 {
  color: #fff;
}

.band p {
  color: #dbeafe;
}

.timeline {
  display: grid;
  gap: 14px;
}

.trow {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 18px;
  align-items: start;
}

.year {
  font-size: 24px;
  font-weight: 900;
  color: var(--blue2);
}

.trow .card {
  padding: 18px;
}

.image-panel {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: white;
}

.feature {
  display: flex;
  gap: 14px;
}

.icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 15px;
  background: #eff6ff;
  color: var(--blue2);
  display: grid;
  place-items: center;
  font-weight: 900;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.table th,
.table td {
  padding: 14px;
  border-bottom: 1px solid #eef2f7;
  text-align: left;
  font-size: 14px;
}

.table th {
  background: #eff6ff;
  color: var(--blue);
  font-weight: 900;
}

.cta {
  padding: 78px 0;
}

.footer {
  background: #07112b;
  color: #cbd5e1;
  padding: 56px 0 28px;
}

.footer h3,
.footer b {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}

.footer a {
  color: #cbd5e1;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 32px;
  padding-top: 22px;
  color: #94a3b8;
  font-size: 12px;
}

.page-title {
  padding: 72px 0 36px;
  background: linear-gradient(135deg, #eff6ff, #fff);
}

.page-title h1 {
  font-size: clamp(38px, 5vw, 64px);
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 10px 0;
}

.breadcrumbs {
  font-size: 13px;
  color: #64748b;
}

.anchor-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.anchor-grid a {
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 13px;
  color: #334155;
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  border-radius: 20px;
  padding: 16px;
  margin-top: 18px;
}

.product-link {
  color: inherit;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  cursor: pointer;
}

.product-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
  border-color: #bfdbfe;
}

.product-link:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 3px;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 900;
  color: var(--blue2);
}

.card-cta:after {
  content: " ->";
}

.mobile-only {
  display: none;
}

@media (max-width: 920px) {
  .hero-grid,
  .grid-2,
  .band,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4,
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .navlinks {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 18px 22px;
    flex-direction: column;
    align-items: flex-start;
  }

  .navlinks.open {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .section-head {
    display: block;
  }

  .hero {
    padding-top: 62px;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: inline-flex;
  }
}

@media (max-width: 560px) {
  .grid-3,
  .grid-4,
  .stats {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 42px;
  }

  .nav {
    height: 68px;
  }

  .navlinks {
    top: 68px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
  }

  .trow {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }

  .card {
    padding: 20px;
  }
}