* {
  box-sizing: border-box;
}

:root {
  --bg: #050914;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #eef7ff;
  --muted: #9fb3c8;
  --accent: #53f4ff;
  --accent-2: #8d6cff;
  --line: rgba(83, 244, 255, 0.25);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(83, 244, 255, 0.18), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(141, 108, 255, 0.2), transparent 30%),
    linear-gradient(135deg, #050914 0%, #07162a 45%, #050914 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(83, 244, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 244, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px clamp(20px, 5vw, 72px);
  background: rgba(5, 9, 20, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  letter-spacing: 0.22em;
  font-weight: 800;
  color: var(--accent);
}

nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: center;
  gap: 40px;
  padding: 80px clamp(20px, 5vw, 72px);
}

.eyebrow,
.section-label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 700;
}

h1 {
  max-width: 920px;
  margin: 18px 0 24px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(32px, 4vw, 56px);
  letter-spacing: -0.04em;
}

h3 {
  margin: 0 0 12px;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.lead {
  max-width: 680px;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

.primary {
  color: #041016;
  background: linear-gradient(135deg, var(--accent), #ffffff);
}

.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.orb {
  position: relative;
  width: min(420px, 80vw);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(83, 244, 255, 0.18), transparent 56%);
}

.ring,
.core {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
}

.ring {
  border: 1px solid var(--line);
  box-shadow: 0 0 40px rgba(83, 244, 255, 0.15);
}

.ring-1 {
  transform: rotateX(62deg) rotateZ(25deg);
}

.ring-2 {
  transform: rotateY(62deg) rotateZ(-25deg);
  border-color: rgba(141, 108, 255, 0.35);
}

.core {
  inset: 38%;
  background: radial-gradient(circle, #ffffff, var(--accent) 42%, transparent 70%);
  box-shadow: 0 0 60px var(--accent);
}

.section {
  padding: 96px clamp(20px, 5vw, 72px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.card,
.product,
.banner,
.contact {
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.card {
  min-height: 230px;
  padding: 28px;
  border-radius: 28px;
}

.card:hover {
  background: var(--panel-strong);
  border-color: var(--line);
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.product-list {
  display: grid;
  gap: 16px;
}

.product {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  padding: 24px;
  border-radius: 24px;
}

.product span {
  color: var(--accent);
  font-weight: 800;
  font-size: 28px;
}

.banner {
  margin: 40px clamp(20px, 5vw, 72px);
  padding: 52px;
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(83, 244, 255, 0.12), rgba(141, 108, 255, 0.12)),
    var(--panel);
}

.contact {
  margin: 40px clamp(20px, 5vw, 72px) 90px;
  padding: 52px;
  border-radius: 32px;
}

.contact-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 24px;
  color: var(--accent);
  font-weight: 800;
}

footer {
  padding: 32px clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

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

  h1 {
    font-size: clamp(40px, 14vw, 64px);
  }

  .orb {
    width: min(320px, 86vw);
  }
}