body {
  min-height: 100vh;
  font-family: var(--font);
  line-height: 1.65;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 34%),
    radial-gradient(circle at 18% 0%, rgba(141, 225, 234, 0.22), transparent 32%),
    radial-gradient(circle at 82% 22%, rgba(245, 250, 252, 0.18), transparent 34%),
    linear-gradient(180deg, #4a545d 0%, #364049 48%, #46515a 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

[hidden] {
  display: none !important;
}

main {
  position: relative;
  z-index: 1;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  font-size: clamp(2rem, 4vw, 4rem);
}

h2 {
  margin-top: 2rem;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
}

h3 {
  margin-top: 1.35rem;
  font-size: 1.15rem;
}

p,
li {
  color: var(--muted-strong);
}

p + p,
p + ul,
p + ol,
ul + p,
ol + p {
  margin-top: 1rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 3px solid rgba(127, 208, 220, 0.75);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 999;
  transform: translateY(-160%);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #061012;
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.narrow-container {
  width: min(var(--narrow), calc(100% - 2rem));
}

.glass-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--glass-strong), var(--glass-soft));
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px) saturate(135%);
}

@supports not ((backdrop-filter: blur(12px))) {
  .glass-panel,
  .site-header,
  .dropdown,
  .promo-popup {
    background: rgba(22, 27, 31, 0.94);
  }
}