:root {
  color-scheme: dark;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg-primary: #060608;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --bg-surface-raised: rgba(255, 255, 255, 0.05);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --text-primary: #f4f4f5;
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-muted: rgba(255, 255, 255, 0.4);
  --glow-soft: rgba(255, 255, 255, 0.06);
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 999px;
  --transition-smooth: 320ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 180ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: -25%;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background:
    radial-gradient(circle at 20% 22%, rgba(255, 255, 255, 0.07), transparent 50%),
    radial-gradient(circle at 78% 82%, rgba(255, 255, 255, 0.04), transparent 53%);
}

body::after {
  background:
    radial-gradient(circle at 83% 18%, rgba(255, 255, 255, 0.035), transparent 48%),
    radial-gradient(circle at 12% 78%, rgba(255, 255, 255, 0.03), transparent 45%);
  opacity: 0.85;
}

/* ── Navigation ── */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 4;
}

.top-nav {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid transparent;
  background: transparent;
  backdrop-filter: blur(0);
  transition:
    background-color var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth),
    backdrop-filter var(--transition-smooth);
}

body.nav-scrolled .top-nav {
  border-bottom-color: var(--border-subtle);
  background: rgba(6, 6, 8, 0.82);
  backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: 0 1px 0 var(--glow-soft);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  width: clamp(2rem, 3.5vw, 2.5rem);
  height: clamp(2rem, 3.5vw, 2.5rem);
  object-fit: contain;
}

.nav-auth-slot {
  position: relative;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  min-height: 2.2rem;
}

.nav-signin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.1rem;
  padding: 0.42rem 1rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-signin-button:hover,
.nav-signin-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.06);
}

.nav-avatar-shell {
  position: relative;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  overflow: hidden;
  background: var(--bg-surface);
}

.nav-avatar-placeholder,
.nav-avatar {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.nav-avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.94);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.nav-avatar {
  object-fit: cover;
}

.nav-avatar[hidden] {
  display: none;
}

.nav-avatar-shell.is-ready .nav-avatar-placeholder {
  opacity: 0;
}

.nav-avatar-shell.is-ready.has-fallback .nav-avatar-placeholder {
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
}

.nav-avatar-button {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  border-radius: var(--radius-full);
}

.nav-avatar-button:focus-visible .nav-avatar-shell {
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.nav-avatar-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 8.5rem;
  padding: 0.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(14, 14, 16, 0.98);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
}

.nav-avatar-menu[hidden] {
  display: none;
}

.nav-signout-button {
  width: 100%;
  display: block;
  border: 0;
  border-radius: 0.5rem;
  padding: 0.5rem 0.65rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: left;
  color: #ff5959;
  background: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.nav-signout-button:hover,
.nav-signout-button:focus-visible {
  background: rgba(255, 89, 89, 0.1);
}

/* ── Legal page layout ── */

.legal-main {
  flex: 1;
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 6rem 0 3rem;
  display: grid;
  gap: 1.25rem;
}

.legal-hero {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.legal-kicker {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.legal-title {
  margin: 0.4rem 0 0;
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.legal-date {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.legal-meta {
  margin: 0.65rem 0 0;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.93rem;
  max-width: 72ch;
}

.legal-grid {
  display: grid;
  grid-template-columns: minmax(200px, 235px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

/* ── Table of contents ── */

.toc {
  position: sticky;
  top: 5.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.15rem;
}

.toc-heading {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.05rem;
}

.toc a {
  display: block;
  padding: 0.28rem 0.5rem;
  border-radius: 0.4rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.83rem;
  line-height: 1.45;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.toc a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* ── Legal body ── */

.legal-body {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.legal-section {
  padding-bottom: 1.75rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.legal-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.legal-section h2 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.legal-section p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.9rem;
}

.legal-section p + p {
  margin-top: 0.6rem;
}

.legal-section ul {
  margin: 0.55rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.3rem;
}

.legal-section li {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .legal-main {
    padding-top: 5rem;
  }

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

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .top-nav {
    padding: 0.75rem 1rem;
  }

  .legal-main {
    padding-top: 4.75rem;
    padding-bottom: 2rem;
  }
}