:root { color-scheme: dark; --bg: #0d1523; --panel: #131e30; --ink: #eaf1fc; --muted: #a4b4ca; --line: #ffffff1a; --accent: #bcd5ff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse 900px 580px at 35% 110px, #1b2a43 0%, transparent 80%), var(--bg); color: var(--ink); font-size: 16px; line-height: 1.6; }
a { color: inherit; text-underline-offset: 4px; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible, video:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button { font: inherit; }
[hidden] { display: none !important; }
.shell { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.skip-link { position: absolute; top: -90px; left: 20px; padding: 12px 20px; background: var(--ink); color: var(--bg); z-index: 2; }
.skip-link:focus { top: 12px; }
.site-header { min-height: 104px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 14px; font-weight: 700; letter-spacing: 2px; line-height: 1.3; }
.brand-sub { display: block; font-size: 9px; letter-spacing: 3.9px; color: var(--muted); margin-top: 2px; }
.site-header nav { display: flex; gap: 27px; color: var(--muted); font-size: 13px; }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }
.intro { padding: 62px 0 44px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 600; letter-spacing: 2px; margin: 0 0 16px; }
h1 { font-size: clamp(38px, 5.2vw, 66px); line-height: 1.06; letter-spacing: -2.6px; font-weight: 650; margin: 0; }
h1 span { color: var(--accent); }
.intro-copy { color: var(--muted); margin: 23px 0 0; font-size: 17px; line-height: 1.7; max-width: 650px; }
.watch-layout { display: grid; grid-template-columns: minmax(0, 1fr) 288px; gap: 28px; align-items: stretch; }
.section-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; margin-bottom: 16px; }
h2 { font-size: 21px; line-height: 1.3; margin: 0; font-weight: 600; letter-spacing: -.5px; }
.section-heading > span { color: var(--muted); font-size: 12px; }
video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #05070c; border: 1px solid var(--line); border-radius: 12px; }
.video-note { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; color: var(--muted); margin-top: 11px; font-size: 12px; }
.video-note a { color: var(--accent); }
.dns-panel { background: linear-gradient(135deg, #1c2b43, var(--panel)); border: 1px solid #ffffff20; padding: 28px 25px 24px; border-radius: 12px; }
.dns-panel .eyebrow { font-size: 10px; margin-bottom: 13px; }
.dns-panel h2 { font-size: 22px; }
.dns-panel dl { margin: 24px 0 20px; }
.dns-panel dl > div { margin: 0 0 16px; }
.dns-panel dt { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.dns-panel dd { margin: 0; font-size: 16px; }
.dns-panel code { font-family: inherit; font-variant-numeric: tabular-nums; }
.dns-panel .primary-dns code { font-size: 23px; color: var(--accent); letter-spacing: -.5px; }
.copy-button { display: flex; width: 100%; justify-content: space-between; align-items: center; border: 1px solid #c6dcff42; border-radius: 6px; background: #c1d7fc0d; color: var(--ink); padding: 9px 12px; font-size: 12px; cursor: pointer; }
.copy-button:hover { background: #c1d7fc1c; }
.copy-button span { font-size: 19px; }
.feedback { color: var(--accent); font-size: 12px; margin: 10px 0 0; }
.feedback:empty { display: none; }
.dns-note { color: var(--muted); font-size: 12px; margin: 16px 0 18px; }
.steps-link { display: flex; justify-content: space-between; text-decoration: none; font-size: 13px; color: var(--accent); }
.instructions { margin-top: 60px; scroll-margin-top: 24px; }
.steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 48px minmax(0, 1fr) 77px; gap: 24px; align-items: start; padding: 27px 0; border-bottom: 1px solid var(--line); }
.step-number { color: #6e84a3; font-size: 22px; line-height: 1.5; font-weight: 300; font-variant-numeric: tabular-nums; }
h3 { font-size: 19px; font-weight: 600; margin: 0 0 6px; line-height: 1.5; letter-spacing: -.3px; }
.step-body p { max-width: 800px; font-size: 14px; color: var(--muted); margin: 0; }
.step-body strong { color: #d8e4f5; font-weight: 550; }
.timestamp { display: inline-flex; justify-content: center; align-items: center; gap: 8px; color: var(--accent); font-size: 12px; font-variant-numeric: tabular-nums; border: 1px solid var(--line); padding: 6px 9px; border-radius: 5px; text-decoration: none; margin-top: 2px; }
.timestamp:hover { background: #c1d7fc10; border-color: #c6dcff50; }
.timestamp span { font-size: 8px; }
.help { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 28px; margin-top: 56px; }
.help .eyebrow { margin-bottom: 12px; }
details { border-bottom: 1px solid var(--line); }
details:first-child { border-top: 1px solid var(--line); }
summary { padding: 17px 0; cursor: pointer; font-size: 14px; }
details p { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
.end-link { margin: 55px 0; padding: 24px 28px; background: #ffffff04; border: 1px solid var(--line); border-radius: 8px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.end-link p { margin: 0; font-size: 17px; }
.end-link a { color: var(--accent); font-size: 14px; text-decoration: none; }
.end-link a span { padding-left: 10px; }
footer { border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; padding: 24px 0 35px; font-size: 11px; color: #8496af; }
footer > span:first-child { letter-spacing: 1.2px; }
@media (max-width: 900px) { .watch-layout { grid-template-columns: minmax(0, 1fr) 250px; gap: 20px; } .dns-panel { padding: 23px 18px; } .section-heading { display: block; } .section-heading > span { display: block; margin-top: 6px; } }
@media (max-width: 740px) {
  .shell { width: calc(100% - 36px); }
  .site-header { min-height: 84px; gap: 15px; }
  .brand { font-size: 11px; letter-spacing: 1.2px; gap: 8px; }
  .brand img { width: 25px; height: 25px; }
  .brand-sub { font-size: 8px; letter-spacing: 2.3px; }
  .site-header nav { gap: 13px; font-size: 11px; }
  .intro { padding: 42px 0 32px; }
  h1 { letter-spacing: -1.5px; }
  .intro-copy { font-size: 15px; }
  .wide-break { display: none; }
  .watch-layout { grid-template-columns: 1fr; gap: 25px; }
  .dns-panel { padding: 23px; }
  .dns-panel dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; margin-bottom: 12px; }
  .dns-panel .primary-dns { grid-column: 1 / -1; grid-row: 1; }
  .dns-panel dl > div { margin-bottom: 10px; }
  .copy-button { max-width: 300px; }
  .dns-note { margin-bottom: 14px; }
  .instructions { margin-top: 40px; }
  .steps li { grid-template-columns: 28px minmax(0, 1fr); gap: 8px 14px; padding: 23px 0; }
  .step-number { font-size: 17px; }
  h3 { font-size: 17px; }
  .timestamp { grid-column: 2; justify-self: start; margin-top: 5px; min-height: 36px; padding-inline: 13px; }
  .help { grid-template-columns: 1fr; gap: 22px; margin-top: 40px; }
  .end-link { padding: 20px; margin: 35px 0; }
}
@media (max-width: 370px) { .site-header nav { gap: 9px; } .site-header nav a:first-child { display: none; } h1 { font-size: 34px; } }