:root {
  color-scheme: dark;
  --bg: #05080d;
  --panel: #0b1420;
  --panel-2: #101c2a;
  --line: rgba(124, 218, 255, 0.18);
  --line-strong: rgba(124, 218, 255, 0.34);
  --text: #eff8ff;
  --muted: #9fb1c2;
  --cyan: #62d9ff;
  --cobalt: #2f86ff;
  --amber: #d7b166;
  --shadow: rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Bahnschrift", "Segoe UI", Arial, sans-serif;
  background:
    linear-gradient(180deg, rgba(8, 17, 26, 0.72), var(--bg) 34rem),
    var(--bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(98, 217, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(98, 217, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}

a,
button {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 72px;
  padding: 12px clamp(16px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 13, 0.88);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid rgba(98, 217, 255, 0.72);
  border-radius: 50%;
  background:
    radial-gradient(circle at 58% 42%, rgba(215, 177, 102, 0.9) 0 9%, transparent 10%),
    linear-gradient(135deg, rgba(98, 217, 255, 0.18), rgba(47, 134, 255, 0.12));
  box-shadow: 0 0 24px rgba(98, 217, 255, 0.28);
}

.brand-copy strong {
  display: block;
  font-size: 17px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.site-nav a:hover,
.site-nav button:hover,
.site-footer a:hover,
.site-footer button:hover {
  color: var(--cyan);
}

.section-shell,
.page-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(460px, 1.14fr);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 54px 0 66px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1,
h2 {
  line-height: 0.98;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(48px, 7.4vw, 92px);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4.25vw, 54px);
}

.lead {
  max-width: 680px;
  color: #c9d9e7;
  font-size: 18px;
  line-height: 1.72;
}

.hero-actions,
.download-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin: 30px 0 16px;
}

.button,
.download-card,
.product-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(16, 28, 42, 0.88), rgba(8, 17, 26, 0.9));
  box-shadow: 0 18px 34px var(--shadow);
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  font-weight: 800;
}

.button.primary,
.download-card.featured,
.product-grid article.featured-card {
  border-color: var(--line-strong);
  color: #03111d;
  background: linear-gradient(180deg, var(--cyan), var(--cobalt));
}

.hero-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #02060a;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
}

.product-section,
.download-band {
  padding: 78px 0;
  border-top: 1px solid rgba(124, 218, 255, 0.12);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading p,
.product-grid p,
.download-card small {
  color: var(--muted);
  line-height: 1.65;
}

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

.product-grid article {
  min-height: 230px;
  padding: 20px;
}

.product-grid span,
.download-card span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-grid article.featured-card span,
.download-card.featured span,
.product-grid article.featured-card p,
.download-card.featured small {
  color: rgba(3, 17, 29, 0.78);
}

.product-grid article a {
  color: var(--cyan);
  font-weight: 800;
}

.product-grid article.featured-card a {
  color: #03111d;
}

.download-band {
  align-items: center;
  justify-content: space-between;
}

.download-band div {
  flex: 1 1 380px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.download-card {
  display: flex;
  min-height: 112px;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.page-shell {
  padding: 76px 0;
}

.page-grid {
  margin-top: 34px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #04070b;
}

@media (max-width: 1080px) {
  .hero,
  .site-header {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 760px) {
  .section-shell,
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    gap: 14px;
    padding: 12px;
  }

  .site-nav {
    gap: 12px;
    font-size: 12px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 62px);
  }

  .hero,
  .product-section,
  .download-band {
    padding: 46px 0;
  }

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