:root {
  --ink: #142033;
  --muted: #627087;
  --line: #dbe4ef;
  --paper: #ffffff;
  --canvas: #f5f8fc;
  --soft: #eef4fb;
  --blue: #2563eb;
  --blue-dark: #1748b6;
  --cyan: #0ea5b7;
  --navy: #0b1728;
  --green: #0f8a67;
  --shadow: 0 14px 38px rgba(20, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.shell {
  width: min(1140px, calc(100% - 36px));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 58px;
  padding: 0 max(18px, calc((100vw - 1140px) / 2));
  border-bottom: 1px solid rgba(219, 228, 239, 0.9);
  background: rgba(245, 248, 252, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

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

.topbar nav {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.topbar nav a,
.header-link {
  color: #42526a;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.topbar nav a:hover,
.header-link:hover {
  color: var(--blue);
}

.header-link {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 46px;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 56px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 700px;
  margin-bottom: 18px;
  font-size: clamp(36px, 4.8vw, 54px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(27px, 3vw, 38px);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.13;
}

h3 {
  margin-bottom: 7px;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.3;
}

.lead {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  box-shadow: 0 7px 20px rgba(20, 32, 51, 0.05);
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: #a8bad1;
  box-shadow: 0 10px 24px rgba(20, 32, 51, 0.09);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff;
}

.button.dark {
  border-color: #29384f;
  background: #142237;
  color: #fff;
}

.text-link {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 22px;
  color: #6a7890;
  font-size: 12px;
}

.trust-row span::before {
  content: "✓";
  margin-right: 6px;
  color: var(--green);
  font-weight: 800;
}

.product-shot {
  margin: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: linear-gradient(145deg, #fff, #edf4fc);
  box-shadow: var(--shadow);
}

.product-shot img {
  display: block;
  width: 100%;
  border-radius: 10px;
}

.product-shot figcaption {
  padding: 9px 6px 2px;
  color: #718096;
  font-size: 11px;
}

.section {
  padding-top: 62px;
  padding-bottom: 62px;
}

.section-soft {
  border-block: 1px solid var(--line);
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading.compact {
  max-width: 620px;
}

.section-heading > p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.product-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 15px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper);
  box-shadow: 0 10px 28px rgba(20, 32, 51, 0.055);
}

.product-label {
  display: grid;
  place-items: center;
  width: 46px;
  height: 34px;
  border-radius: 8px;
  background: #e7f0ff;
  color: #2459b9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.product-label.secondary {
  background: #e3f7f3;
  color: #08745a;
}

.product-card p {
  margin-bottom: 13px;
  color: var(--muted);
}

.product-card ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #45556d;
  font-size: 13px;
}

.product-card li::before {
  content: "•";
  margin-right: 7px;
  color: var(--blue);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.capability-grid article {
  min-height: 190px;
  padding: 18px;
  border: 1px solid #d5e0ed;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.76);
}

.capability-grid article > span {
  display: block;
  margin-bottom: 18px;
  color: #7390b5;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
}

.capability-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.download-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 10px 28px rgba(20, 32, 51, 0.055);
}

.download-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 68px;
  padding: 11px 15px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background 160ms ease;
}

.download-item:last-child {
  border-bottom: 0;
}

.download-item:hover {
  background: #f7faff;
}

.download-item.featured {
  background: linear-gradient(90deg, #f0f7ff, #fff);
}

.file-type {
  display: grid;
  place-items: center;
  width: 42px;
  height: 32px;
  border: 1px solid #cddbeb;
  border-radius: 7px;
  background: #f7faff;
  color: #426286;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
}

.download-item strong,
.download-item small {
  display: block;
}

.download-item strong {
  font-size: 14px;
  font-weight: 650;
}

.download-item small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.download-action {
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 700;
}

.download-note {
  margin: 14px 0 0;
  color: #6a7890;
  font-size: 12px;
}

.download-note a {
  color: var(--blue-dark);
}

.safety-section {
  background: var(--navy);
  color: #f7fbff;
}

.safety-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 54px;
  align-items: start;
}

.safety-section .eyebrow {
  color: #79d7e2;
}

.safety-copy p {
  color: #b8c6d9;
  font-size: 15px;
}

.text-link.light {
  color: #8edee8;
}

.faq details {
  margin-bottom: 9px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
}

.faq summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
}

.faq details p {
  margin: 10px 0 2px;
  color: var(--muted);
  font-size: 13px;
}

.final-cta {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  background: #eaf1f9;
}

.final-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.final-cta h2 {
  margin-bottom: 0;
  font-size: clamp(24px, 2.6vw, 34px);
}

.final-cta .actions {
  margin-top: 0;
}

footer {
  padding: 22px 0;
  background: #e3ebf4;
  color: #66758b;
  font-size: 12px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner nav {
  display: flex;
  gap: 16px;
}

.footer-inner a {
  color: #3f5877;
  font-weight: 600;
  text-decoration: none;
}

code {
  padding: 1px 4px;
  border: 1px solid #d8e3ef;
  border-radius: 5px;
  background: #f2f6fb;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.92em;
}

@media (max-width: 960px) {
  .topbar nav {
    display: none;
  }

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

  .product-shot {
    max-width: 760px;
  }

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

@media (max-width: 720px) {
  .shell {
    width: min(100% - 28px, 1140px);
  }

  .hero {
    gap: 30px;
    padding-top: 48px;
    padding-bottom: 42px;
  }

  h1 {
    font-size: 37px;
  }

  .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .product-grid,
  .capability-grid,
  .safety-layout {
    grid-template-columns: 1fr;
  }

  .product-card ul {
    grid-template-columns: 1fr;
  }

  .final-cta-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .download-item {
    grid-template-columns: 42px 1fr;
  }

  .download-action {
    display: none;
  }

  .product-card {
    grid-template-columns: 1fr;
  }
}