:root {
  color-scheme: light;
  --ink: #0f172a;
  --muted: #53627a;
  --line: #d7dee8;
  --panel: #ffffff;
  --surface: #f5f7fb;
  --brand: #137b76;
  --brand-strong: #0b5f5a;
  --accent: #2563eb;
  --warn: #b45309;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(18px, 5vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(215, 222, 232, 0.88);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 760;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

nav a,
.quick-links a,
.primary-action,
.secondary-action {
  border-radius: 8px;
  font-weight: 650;
}

nav a {
  padding: 8px 10px;
  color: #26364f;
}

nav a:hover {
  background: #edf2f8;
}

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(760px, 86vh);
  padding: 104px clamp(22px, 6vw, 72px) 72px;
  overflow: hidden;
  color: #fff;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background: rgba(4, 10, 24, 0.64);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #9be7dc;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(54px, 12vw, 128px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.hero-copy {
  max-width: 660px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(17px, 2.2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
}

.primary-action {
  background: #11b8a7;
  color: #032421;
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.48);
  color: #fff;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.intro p,
.section-heading p,
.split p,
.feature-grid p {
  margin: 0;
  color: var(--muted);
}

.quick-links {
  display: grid;
  gap: 10px;
}

.quick-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.feature-band {
  max-width: none;
  background: #ffffff;
  border-block: 1px solid var(--line);
}

.feature-band > * {
  max-width: 1180px;
  margin-inline: auto;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.feature-grid article,
.download-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-grid article {
  min-height: 180px;
  padding: 22px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 34px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: #26364f;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--brand);
  content: "✓";
  font-weight: 800;
}

.product-panel {
  width: 100%;
  max-height: 620px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.14);
}

.download {
  padding-top: 28px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.download-item {
  display: grid;
  gap: 8px;
  min-height: 126px;
  padding: 18px;
}

.download-item span {
  color: var(--muted);
  font-size: 13px;
}

.download-item strong {
  font-size: 20px;
}

.download-item:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.1);
}

.download-item.is-disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 5vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-links {
  display: flex;
  gap: 14px;
}

.footer-links a:hover {
  color: var(--brand-strong);
}

.legal-page {
  max-width: 860px;
}

.legal-page h1 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(42px, 8vw, 72px);
}

.legal-page p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 17px;
}

.legal-page a {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 78vh;
    padding-top: 72px;
  }

  .intro,
  .split,
  .feature-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    gap: 10px;
  }

  nav a {
    padding-inline: 8px;
  }

  .hero {
    min-height: 72vh;
    padding-inline: 18px;
  }

  .section {
    padding: 52px 18px;
  }
}
