:root {
  color-scheme: light dark;
  --msd-primary: #0d6cf2;
  --msd-accent: #06b6d4;
  --msd-ink: #0f172a;
  --msd-muted: #64748b;
  --msd-surface: rgba(255, 255, 255, 0.78);
  --msd-surface-strong: rgba(255, 255, 255, 0.92);
  --msd-border: rgba(148, 163, 184, 0.32);
  --msd-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.dark {
  --msd-ink: #f8fafc;
  --msd-muted: #94a3b8;
  --msd-surface: rgba(15, 23, 42, 0.68);
  --msd-surface-strong: rgba(15, 23, 42, 0.88);
  --msd-border: rgba(71, 85, 105, 0.5);
  --msd-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "DM Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(13, 108, 242, 0.16), transparent 34rem),
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.14), transparent 30rem),
    #f5f7f8;
  letter-spacing: -0.01em;
}

h1,
h2,
h3,
h4,
h5,
h6,
.font-display {
  font-family: "Syne", "DM Sans", "Inter", sans-serif;
}

.dark body {
  background:
    radial-gradient(circle at top left, rgba(13, 108, 242, 0.22), transparent 34rem),
    radial-gradient(circle at 85% 15%, rgba(6, 182, 212, 0.16), transparent 30rem),
    #0a0e14;
}

a,
button,
input {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(13, 108, 242, 0.35);
  outline-offset: 3px;
}

.site-shell {
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(13, 108, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 108, 242, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
}

.site-header {
  border-bottom: 1px solid var(--msd-border);
  background: rgba(245, 247, 248, 0.82);
  backdrop-filter: blur(18px);
}

.dark .site-header {
  background: rgba(10, 14, 20, 0.82);
}

.nav-link {
  color: var(--msd-muted);
  font-weight: 700;
  transition: color 160ms ease, transform 160ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--msd-primary);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 1rem;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--msd-primary), var(--msd-accent));
  color: white;
  box-shadow: 0 18px 42px rgba(13, 108, 242, 0.26);
}

.btn-secondary {
  border: 1px solid var(--msd-border);
  background: var(--msd-surface);
  color: var(--msd-ink);
}

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

.glass-card,
.msd-card {
  background: var(--msd-surface);
  border: 1px solid var(--msd-border);
  box-shadow: var(--msd-shadow);
  backdrop-filter: blur(18px);
}

.glass-card:hover,
.msd-card:hover {
  border-color: rgba(13, 108, 242, 0.45);
}

.hero-gradient {
  background:
    radial-gradient(ellipse 85% 55% at 50% -15%, rgba(13, 108, 242, 0.24), transparent 62%),
    radial-gradient(ellipse 60% 42% at 92% 20%, rgba(6, 182, 212, 0.15), transparent 58%),
    radial-gradient(ellipse 65% 45% at 5% 85%, rgba(13, 108, 242, 0.1), transparent 58%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  border-radius: 9999px;
  border: 1px solid rgba(13, 108, 242, 0.22);
  background: rgba(13, 108, 242, 0.1);
  color: var(--msd-primary);
  padding: 0.4rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.animate-in {
  opacity: 0;
  transform: translateY(24px);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 620ms ease, transform 620ms ease;
}

.mobile-menu-panel {
  background: var(--msd-surface-strong);
  border-left: 1px solid var(--msd-border);
  box-shadow: var(--msd-shadow);
  backdrop-filter: blur(18px);
}

.prose-policy {
  font-size: 1rem;
  line-height: 1.8;
}

.prose-policy h1 {
  color: var(--msd-ink);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin: 0 0 1.5rem;
}

.prose-policy h2 {
  color: var(--msd-ink);
  font-size: 1.28rem;
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 2.3rem 0 0.85rem;
}

.prose-policy h3 {
  color: var(--msd-ink);
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 800;
  margin: 1.5rem 0 0.65rem;
}

.prose-policy p,
.prose-policy li {
  color: var(--msd-muted);
  margin-bottom: 1rem;
}

.prose-policy ul,
.prose-policy ol {
  padding-left: 1.4rem;
  margin: 0 0 1.15rem;
}

.prose-policy ul {
  list-style: disc;
}

.prose-policy ol {
  list-style: decimal;
}

.prose-policy a {
  color: var(--msd-primary);
  font-weight: 700;
  text-decoration: none;
}

.prose-policy a:hover {
  text-decoration: underline;
}

.prose-policy strong {
  color: var(--msd-ink);
  font-weight: 800;
}

.prose-policy hr {
  border: 0;
  border-top: 1px solid var(--msd-border);
  margin: 2rem 0;
}

.privacy-filter[aria-pressed="true"] {
  background: var(--msd-primary) !important;
  color: white !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}