:root {
  --bg: #0b1020;
  --bg-soft: #11182c;
  --card: #151f36;
  --card-light: #1b2944;
  --text: #f5f7fb;
  --muted: #aeb8cc;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #58c7ff;
  --accent-2: #8b5cf6;
  --success: #3ddc97;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(88, 199, 255, 0.18), transparent 30%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 16, 32, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 30px rgba(88, 199, 255, 0.25);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-dropdown-trigger::after {
  content: "▾";
  font-size: 0.72rem;
  opacity: 0.7;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.98);
  box-shadow: var(--shadow);
  display: none;
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.nav-dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}

.hero {
  padding: 92px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 760px;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.18rem;
}

.hero-actions,
.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    var(--card);
  box-shadow: var(--shadow);
}

.card-label {
  display: inline-flex;
  margin-bottom: 20px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(61, 220, 151, 0.12);
  color: var(--success);
  font-weight: 800;
  font-size: 0.78rem;
}

.hero-card p {
  color: var(--muted);
}

.hero-card a {
  color: var(--accent);
  font-weight: 800;
}

.section {
  padding: 72px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.feature-card p {
  color: var(--muted);
}

.product-highlight {
  padding-bottom: 96px;
}

.product-highlight-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(88, 199, 255, 0.16), rgba(139, 92, 246, 0.13)),
    var(--card-light);
  box-shadow: var(--shadow);
}

.product-highlight-inner p {
  max-width: 720px;
  color: var(--muted);
}

.page-hero {
  padding: 84px 0 36px;
}

.product-list {
  display: grid;
  gap: 22px;
}

.product-card-large {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025)),
    var(--card);
  box-shadow: var(--shadow);
}

.product-card-large p {
  max-width: 760px;
  color: var(--muted);
}

.clean-list {
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.clean-list li {
  margin-bottom: 8px;
}

.product-card-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 190px;
}

.muted-product {
  opacity: 0.72;
}

.edition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.edition-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.035);
}

.edition-card p {
  color: var(--muted);
}

.edition-card a {
  color: var(--accent);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 0.95rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: var(--text);
}

@media (max-width: 860px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .nav-dropdown-menu {
    position: static;
    margin-top: 8px;
  }

  .hero {
    padding-top: 62px;
  }

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

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

  .product-highlight-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-card-large {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-card-actions {
    width: 100%;
  }

  .product-card-actions .btn {
    width: 100%;
  }

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

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 0;
  }
}