:root {
  color-scheme: light dark;
  --background: #ffffff;
  --ink: #101012;
  --secondary: #595959;
  --surface: #f2f2f7;
  --line: #c6c6c8;
  --focus: #005ec4;
  --inverse-secondary: #d0d0d5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --ink: #fafafa;
    --secondary: #b5b5ba;
    --surface: #1c1c1e;
    --line: #48484a;
    --focus: #91c5ff;
    --inverse-secondary: #4f4f54;
  }
}

@media (prefers-contrast: more) {
  :root {
    --background: #ffffff;
    --ink: #000000;
    --secondary: #303033;
    --surface: #eeeeee;
    --line: #595959;
    --focus: #003a8c;
    --inverse-secondary: #eeeeee;
  }
}

@media (prefers-color-scheme: dark) and (prefers-contrast: more) {
  :root {
    --background: #000000;
    --ink: #ffffff;
    --secondary: #efeff4;
    --surface: #1c1c1e;
    --line: #b5b5ba;
    --focus: #b4d9ff;
    --inverse-secondary: #303033;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font: 1.0625rem/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 0.25em; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible, main:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 5px;
  border-radius: 6px;
}
h1, h2, h3, p { margin: 0; overflow-wrap: break-word; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.08; font-weight: 750; letter-spacing: -0.045em; }
h1 { font-size: clamp(2.5rem, 7.6vw, 5.6rem); letter-spacing: -0.06em; }
h2 { font-size: clamp(1.9rem, 4vw, 3.25rem); }
h3 { font-size: 1.25rem; line-height: 1.2; letter-spacing: -0.025em; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link {
  position: absolute;
  top: 12px;
  left: 24px;
  z-index: 10;
  padding: 12px 18px;
  min-height: 44px;
  background: var(--ink);
  color: var(--background);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }
.site-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 32px; padding-block: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; font-size: 1.125rem; font-weight: 750; letter-spacing: -0.045em; }
.brand img { flex-shrink: 0; }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 24px; }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.875rem; font-weight: 550; text-decoration: none; }
.main-nav a:hover, .brand:hover { text-decoration: underline; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; align-items: center; padding-block: 80px 100px; }
.eyebrow { font-size: 0.8125rem; font-weight: 650; letter-spacing: 0.03em; margin-bottom: 20px; }
.lead { max-width: 31rem; margin-top: 28px; font-size: 1.1875rem; color: var(--secondary); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-block: 32px 18px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-width: 44px; min-height: 52px; max-width: 100%; padding: 14px 20px; border: 1px solid var(--ink); border-radius: 16px; text-align: center; text-decoration: none; font-size: 0.9375rem; font-weight: 650; line-height: 1.4; overflow-wrap: anywhere; }
.button.primary { background: var(--ink); color: var(--background); }
.button:hover { opacity: 0.85; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 0.9375rem; font-weight: 600; }
.fine-print { max-width: 33rem; color: var(--secondary); font-size: 0.8125rem; line-height: 1.6; }
.hero-art { min-width: 0; text-align: center; }
.orbit { position: relative; width: min(100%, 440px); aspect-ratio: 1; margin: auto; }
.orbit-lines { width: 100%; height: 100%; stroke: var(--line); stroke-width: 1; }
.orbit-center { position: absolute; top: 50%; left: 50%; width: 22%; height: auto; transform: translate(-50%, -50%); }
.network { position: absolute; display: flex; flex-direction: column; align-items: center; gap: 8px; transform: translate(-50%, -50%); font-size: 0.75rem; font-weight: 550; }
.network-icon { display: flex; align-items: center; justify-content: center; width: clamp(44px, 5.5vw, 68px); aspect-ratio: 1; border-radius: 27%; color: #ffffff; box-shadow: 0 6px 18px #0000000a; }
.network-icon svg { width: 65%; height: 65%; }
.network-icon.letter { font-size: clamp(28px, 3.5vw, 44px); font-weight: 700; line-height: 1; }
.instagram { left: 50%; top: 14%; }
.instagram .network-icon { background: linear-gradient(140deg, #7538b3, #b81a59, #a64a0f); }
.youtube { left: 79.7%; top: 27.5%; }
.youtube .network-icon { background: linear-gradient(140deg, #d11f36, #b81429); }
.facebook { left: 87%; top: 56.8%; }
.facebook .network-icon { background: linear-gradient(140deg, #1f63c2, #1247a3); }
.reddit { left: 66.5%; top: 80.5%; }
.reddit .network-icon { background: linear-gradient(140deg, #c7400d, #b32612); }
.x { left: 33.5%; top: 80.5%; }
.x .network-icon { background: #18181b; border: 1px solid #595959; }
.tiktok { left: 13%; top: 56.8%; }
.tiktok .network-icon { background: #18181b; }
.snapchat { left: 20.3%; top: 27.5%; }
.snapchat .network-icon { background: #fadd0d; color: #171719; }
@media (max-width: 400px) {
  .orbit { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 12px; aspect-ratio: auto; }
  .orbit-lines { display: none; }
  .orbit-center { position: static; grid-column: 1 / -1; width: 80px; justify-self: center; transform: none; }
  .network { position: static; transform: none; }
}
.art-caption { margin-top: 20px; color: var(--secondary); font-size: 0.875rem; }
.section { padding-block: 80px; border-top: 1px solid var(--line); }
.section-heading { max-width: 660px; margin-bottom: 40px; }
.section-heading > p:last-child:not(.eyebrow) { margin-top: 24px; color: var(--secondary); max-width: 35rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { padding: clamp(20px, 3vw, 32px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.card-index { display: block; color: var(--secondary); font-size: 0.8125rem; font-variant-numeric: tabular-nums; margin-bottom: 28px; }
.card p { margin-top: 16px; color: var(--secondary); font-size: 0.9375rem; line-height: 1.7; }
.boundary-note { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: 16px 24px; margin-top: 32px; padding: 28px 0; }
.boundary-note strong { font-size: 0.9375rem; font-weight: 650; }
.boundary-note p { color: var(--secondary); font-size: 0.875rem; }
.how-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; }
.steps { margin: 0; padding-left: 2rem; }
.steps li { padding: 0 0 28px 12px; }
.steps li + li { padding-top: 28px; border-top: 1px solid var(--line); }
.steps li::marker { font-size: 0.875rem; font-weight: 650; color: var(--secondary); }
.steps p { color: var(--secondary); margin-top: 14px; font-size: 0.9375rem; }
.faq { max-width: 900px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 22px 0; min-height: 64px; font-weight: 600; font-size: 1rem; overflow-wrap: anywhere; }
.faq details p { padding: 0 0 24px; color: var(--secondary); font-size: 0.9375rem; }
.guide-link { margin-top: 28px; max-width: 48rem; }
.guide-hero { padding-block: 56px; max-width: 900px; }
.guide-hero h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
.guide-hero p { margin-top: 24px; color: var(--secondary); }
.guide-hero .eyebrow { margin-top: 0; }
.guide-hero .boundary-note a { display: inline-flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; word-break: break-word; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-block: 28px; }
.guide-nav a, .back-top { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; padding-block: 8px; }
.guide-section { max-width: 900px; }
.guide-section .section-heading { margin-bottom: 28px; }
.guide-section .back-top { margin-top: 20px; font-size: 0.9375rem; }
.guide-sources { padding-left: 1.25rem; }
.guide-sources li { padding-block: 6px; }
.guide-sources a { display: inline-block; min-height: 44px; padding-block: 8px; overflow-wrap: anywhere; }
.access-section { padding-block: 24px 80px; }
.access-panel { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 32px; border-radius: 32px; padding: clamp(28px, 5vw, 64px); background: var(--ink); color: var(--background); }
.access-panel > div { max-width: 620px; min-width: 0; }
.access-panel p:not(.eyebrow) { margin-top: 24px; color: var(--inverse-secondary); max-width: 32rem; }
.access-panel .button { background: var(--background); color: var(--ink); border-color: var(--background); flex-shrink: 0; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-block: 36px; border-top: 1px solid var(--line); }
.site-footer > a { display: inline-flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; word-break: break-word; }
.site-footer > div > p { color: var(--secondary); font-size: 0.8125rem; }
.site-footer .fine-print { max-width: none; flex-basis: 100%; }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 48px 64px; gap: 40px; }
  .hero-copy { max-width: 650px; }
  .hero-art { max-width: 440px; width: 100%; justify-self: center; }
  .network-icon { width: 60px; }
  .network-icon.letter { font-size: 38px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .how-section { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .section { padding-block: 56px; }
  .boundary-note { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 540px) {
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .network-icon { width: 48px; }
  .network-icon.letter { font-size: 32px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 8px; }
  .site-header { padding-block: 20px; gap: 12px; }
  .main-nav { gap: 4px 20px; }
  .access-panel .button { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .button { transition: opacity 120ms ease, transform 120ms ease; }
  .button:active { transform: scale(0.98); }
}

@media (forced-colors: active) {
  .button, .card, .access-panel { border: 1px solid CanvasText; }
  a:focus-visible, summary:focus-visible { outline-color: Highlight; }
}