:root {
  color-scheme: dark;
  --background: #090d1d;
  --surface: #12172a;
  --surface-soft: #181d34;
  --border: #303751;
  --text: #f7f8ff;
  --muted: #b7bfdc;
  --primary: #9b9cff;
  --primary-strong: #6d5dfc;
  --green: #76e6bd;
  --amber: #ffd36a;
  --sky: #7dd3fc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: inherit; }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
  border-radius: 6px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(9, 13, 29, 0.94);
}

.header-inner, .page, .footer-inner {
  width: min(100% - 2rem, 920px);
  margin-inline: auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  background: var(--primary-strong);
  font-size: 1.15rem;
}

.nav { display: flex; align-items: center; gap: 1rem; }
.nav a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}
.nav a:hover { color: var(--text); }

.page { padding-block: 4.5rem 5rem; }
.hero { max-width: 760px; }
.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.035em; }
h1 { margin: 0; font-size: clamp(2.2rem, 7vw, 4rem); }
h2 { margin: 2.8rem 0 0.8rem; font-size: clamp(1.45rem, 4vw, 2rem); }
h3 { margin: 0; font-size: 1.05rem; }
.lede { max-width: 720px; margin: 1.2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.reviewed { margin-top: 1rem; color: var(--muted); font-size: 0.78rem; }

.summary-grid, .resource-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  padding: 1.15rem;
}
.card p { margin: 0.45rem 0 0; color: var(--muted); font-size: 0.92rem; }
.card-link { display: block; text-decoration: none; transition: border-color 160ms ease, transform 160ms ease; }
.card-link:hover { border-color: var(--primary); transform: translateY(-2px); }
.card-link span { display: inline-block; margin-top: 0.8rem; color: var(--primary); font-size: 0.84rem; font-weight: 800; }

.article { max-width: 760px; }
.article p, .article li { color: var(--muted); }
.article strong { color: var(--text); }
.article ul, .article ol { padding-left: 1.25rem; }
.article li + li { margin-top: 0.55rem; }

.callout {
  margin-top: 1.5rem;
  border: 1px solid #3e4770;
  border-left: 4px solid var(--primary);
  border-radius: 14px;
  background: var(--surface-soft);
  padding: 1rem 1.1rem;
}
.callout p { margin: 0; }
.callout.privacy { border-left-color: var(--green); }
.callout.warning { border-left-color: var(--amber); }

.comparison {
  width: 100%;
  margin-top: 1.25rem;
  border-collapse: collapse;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
  font-size: 0.9rem;
}
.comparison th, .comparison td { border: 1px solid var(--border); padding: 0.8rem; text-align: left; vertical-align: top; }
.comparison th { color: var(--text); background: var(--surface-soft); }
.comparison td { color: var(--muted); }

.cta {
  margin-top: 3rem;
  border: 1px solid #5554a2;
  border-radius: 20px;
  background: linear-gradient(135deg, #1b2141, #17152f);
  padding: 1.4rem;
}
.cta h2 { margin: 0; font-size: 1.35rem; }
.cta p { margin: 0.6rem 0 1rem; color: var(--muted); }
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--primary-strong);
  padding: 0.65rem 1.1rem;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}
.button:hover { background: #7a6cff; }

.support-form {
  display: grid;
  gap: 1.15rem;
  max-width: 680px;
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  padding: clamp(1.1rem, 4vw, 1.6rem);
}
.form-field { display: grid; gap: 0.4rem; }
.form-field label { color: var(--text); font-size: 0.9rem; font-weight: 800; }
.form-field input, .form-field textarea {
  width: 100%;
  border: 1px solid #46506f;
  border-radius: 12px;
  background: var(--background);
  padding: 0.75rem 0.85rem;
  color: var(--text);
  font: inherit;
}
.form-field textarea { min-height: 11rem; resize: vertical; }
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(155, 156, 255, 0.2);
  outline-offset: 2px;
}
.field-help, .form-note { margin: 0; color: var(--muted); font-size: 0.78rem; }
.form-submit { border: 0; cursor: pointer; justify-self: start; min-width: 110px; }
.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.form-status {
  max-width: 680px;
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.form-status.success { border-color: var(--green); background: #0c2b27; }
.form-status.error { border-color: #ff8e9e; background: #32151d; }

.text-link { color: var(--primary); font-weight: 750; text-underline-offset: 3px; }

.site-footer { border-top: 1px solid var(--border); }
.footer-inner {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-links a { color: var(--muted); }

@media (max-width: 680px) {
  .page { padding-block: 3rem 4rem; }
  .summary-grid, .resource-grid { grid-template-columns: 1fr; }
  .nav a:not(.keep-mobile) { display: none; }
  .comparison { display: block; overflow-x: auto; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card-link { transition: none; }
}