:root {
  --bg: #0A0D12;
  --bg-2: #0E1219;
  --surface: #141A23;
  --surface-2: #1A212C;
  --ink: #F4F6F8;
  --muted: #9AA6B2;
  --muted-2: #828E9A;
  --hairline: #222B36;
  --hairline-2: #2C3644;
  --accent: #F5A623;
  --accent-bright: #FFB733;
  --accent-dark: #D98E17;
  --green: #34D399;

  --maxw: 820px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Warm amber glow anchored top-left, echoing the app's marketing */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 8% -8%, rgba(245, 166, 35, 0.10), transparent 60%),
    radial-gradient(50rem 40rem at 100% 0%, rgba(245, 166, 35, 0.05), transparent 55%);
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-bright); }

img, svg { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 16px;
  border: 1px solid var(--hairline-2);
  border-radius: 8px;
}
.skip-link:focus { left: 24px; }

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn-primary { background: var(--accent); color: #10130A; }
.btn-primary:hover { background: var(--accent-bright); color: #10130A; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline-2); }
.btn-ghost:hover { color: var(--ink); border-color: var(--accent); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 18, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.1875rem;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--ink); }
.brand-mark { flex: none; }

.site-nav { display: flex; align-items: center; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a:not(.btn) {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9375rem;
}
.nav-menu a:not(.btn):hover,
.nav-menu a[aria-current="page"] { color: var(--ink); }
.nav-menu a[aria-current="page"] { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--hairline-2);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* Page intro */
.page-title {
  font-weight: 800;
  font-size: clamp(2.1rem, 5.4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}
.lead {
  font-size: clamp(1.0625rem, 1.7vw, 1.1875rem);
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 20px;
}
.updated {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--muted-2);
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
}

/* Legal / long-form prose */
.legal { padding-block: clamp(40px, 7vw, 72px) clamp(56px, 9vw, 96px); }
.legal h2 {
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  margin: 48px 0 14px;
  padding-top: 12px;
  scroll-margin-top: 84px;
}
.legal h2:first-of-type { margin-top: 8px; }
.legal h3 {
  font-weight: 600;
  font-size: 1.0625rem;
  margin: 26px 0 8px;
  color: var(--ink);
}
.legal p { color: var(--muted); margin: 0 0 16px; }
.legal ul { color: var(--muted); margin: 0 0 16px; padding-left: 1.25rem; }
.legal li { margin-bottom: 8px; }
.legal li::marker { color: var(--accent); }
.legal strong { color: var(--ink); font-weight: 600; }
.legal a { border-bottom: 1px solid rgba(245, 166, 35, 0.35); }
.legal a:hover { border-bottom-color: var(--accent-bright); }

/* Table of contents */
.toc {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 8px 0 36px;
}
.toc-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 12px;
}
.toc ol {
  margin: 0;
  padding-left: 1.1rem;
  columns: 2;
  column-gap: 28px;
}
.toc li { margin-bottom: 7px; color: var(--muted); }
.toc li::marker { color: var(--muted-2); font-variant-numeric: tabular-nums; }
.toc a { color: var(--muted); border: none; }
.toc a:hover { color: var(--accent); }

/* Callout */
.callout {
  display: flex;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--hairline-2);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
}
.callout p { margin: 0; color: var(--muted); }
.callout p strong { color: var(--ink); }
.callout .callout-icon { flex: none; color: var(--accent); margin-top: 2px; }

/* FAQ */
.faq { margin: 8px 0 0; }
.faq-item {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item[open] { border-color: var(--hairline-2); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item summary:hover { color: var(--accent); }
.faq-item summary:hover::after { border-color: var(--accent); }
.faq-body { padding: 0 20px 18px; }
.faq-body p { color: var(--muted); margin: 0 0 12px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body ul { color: var(--muted); margin: 0 0 12px; padding-left: 1.2rem; }
.faq-body li { margin-bottom: 6px; }

/* Contact cards (support) */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 8px 0 40px;
}
.support-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 24px;
}
.support-card h2 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.support-card p { color: var(--muted); margin: 0 0 16px; font-size: 0.9375rem; }
.support-card .email-link {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  word-break: break-word;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 44px 0 16px;
}

/* Footer */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--hairline);
  padding-block: 44px 40px;
}
.footer-inner {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 24px;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links a { color: var(--muted); font-size: 0.9375rem; }
.footer-links a:hover { color: var(--ink); }
.footer-legal { padding-top: 22px; }
.footer-legal p { margin: 0 0 5px; color: var(--muted-2); font-size: 0.875rem; }
.footer-legal a { color: var(--muted); }
.footer-legal a:hover { color: var(--accent); }
.footer-parent { color: var(--muted); }

/* Responsive */
@media (max-width: 720px) {
  .toc ol { columns: 1; }
  .support-grid { grid-template-columns: 1fr; }

  .js .nav-toggle { display: flex; }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-menu li { padding: 4px 0; }
  .nav-menu li + li { border-top: 1px solid var(--hairline); }
  .nav-menu .btn { align-self: flex-start; margin-top: 10px; }

  .js .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--hairline);
    padding: 8px 24px 20px;
    box-shadow: 0 16px 30px rgba(0, 0, 0, .4);
  }
  .js .site-header:not(.nav-open) .nav-menu { display: none; }
}