:root {
  color-scheme: light;
  --ink: #171411;
  --muted: #6d655e;
  --paper: #f5f2ed;
  --surface: #fffdf9;
  --line: #d9d2c9;
  --ember: #d4552a;
  --ember-dark: #a83b18;
  --good: #197049;
  --good-bg: #e4f4ec;
  --warn: #8a5315;
  --warn-bg: #fbefd8;
  --quiet-bg: #ece8e2;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); line-height: 1.5; }
body { margin: 0; min-width: 280px; }
a { color: inherit; }
button, .external-button { min-height: 44px; }
button { font: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}
.brand { color: var(--ink); font-weight: 760; letter-spacing: -.02em; text-decoration: none; }
.privacy-mark { color: var(--muted); font-size: .83rem; }
main, footer { width: min(1060px, calc(100% - 32px)); margin-inline: auto; }

.hero {
  margin-top: 32px;
  padding: clamp(28px, 6vw, 64px);
  overflow: hidden;
  border: 1px solid #c8bdb3;
  border-radius: 28px;
  background: radial-gradient(circle at 94% 10%, rgba(212, 85, 42, .16), transparent 32%), var(--surface);
  box-shadow: 0 18px 48px rgba(56, 42, 30, .08);
}
.eyebrow { margin: 0 0 10px; color: var(--ember-dark); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.ip-row { display: flex; align-items: center; gap: 12px; }
.ip { min-width: 0; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: clamp(1.65rem, 5.4vw, 4.25rem); font-weight: 760; letter-spacing: -.055em; overflow-wrap: anywhere; }
.icon-button {
  display: grid; flex: 0 0 auto; place-items: center; width: 46px; padding: 0;
  color: var(--ink); border: 1px solid var(--line); border-radius: 50%; background: var(--surface); cursor: pointer;
}
.icon-button:hover, .icon-button:focus-visible { border-color: var(--ember); color: var(--ember-dark); }
.hero-facts { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-top: 24px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 11px; border-radius: 999px; background: var(--quiet-bg); color: var(--ink); font-weight: 720; }
.approximation { margin: 16px 0 0; color: var(--muted); font-size: .88rem; }

section:not(.hero) { padding: 72px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
h1, h2 { margin: 0; letter-spacing: -.035em; line-height: 1.12; }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2.1rem); }
.section-intro { max-width: 700px; margin: -8px 0 24px; color: var(--muted); }

.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.status-card { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-top h2 { font-size: 1.15rem; letter-spacing: -.01em; }
.status { flex: 0 0 auto; padding: 4px 9px; border-radius: 999px; font-size: .75rem; font-weight: 760; }
.status.good { color: var(--good); background: var(--good-bg); }
.status.warn { color: var(--warn); background: var(--warn-bg); }
.status.pending, .status.neutral { color: var(--muted); background: var(--quiet-bg); }
.mono { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }
.value { min-height: 48px; margin: 28px 0 10px; font-size: 1rem; font-weight: 720; overflow-wrap: anywhere; }
.explain, .data-credit { margin: 0; color: var(--muted); font-size: .84rem; }
.compact-list { margin: 22px 0 14px; }
.compact-list div { display: grid; grid-template-columns: 88px 1fr; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.compact-list dt { color: var(--muted); }
.compact-list dd { margin: 0; overflow-wrap: anywhere; }
.data-credit a { color: var(--ember-dark); }

.primary-button, .secondary-button, .external-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 17px;
  border-radius: 999px; font-weight: 760; text-decoration: none; cursor: pointer;
}
.primary-button, .external-button { color: white; border: 1px solid var(--ember-dark); background: var(--ember-dark); }
.primary-button:hover, .external-button:hover { background: #812e12; }
.secondary-button { color: var(--ink); border: 1px solid var(--line); background: var(--surface); }
.secondary-button:hover { border-color: var(--ember); }
button:focus-visible, a:focus-visible { outline: 3px solid rgba(212, 85, 42, .35); outline-offset: 3px; }
button[aria-busy="true"] { cursor: wait; opacity: .72; }

.privacy-summary { margin-bottom: 14px; padding: 14px 18px; border-radius: 12px; background: var(--quiet-bg); font-weight: 700; }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.check-item { display: grid; grid-template-columns: 12px 1fr; gap: 13px; padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.check-dot { width: 10px; height: 10px; margin-top: 7px; border-radius: 50%; background: var(--muted); }
.check-item.good .check-dot { background: var(--good); }
.check-item.warn .check-dot { background: #b46a18; }
.check-item.neutral .check-dot { background: #6b7280; }
.check-name { margin: 0 0 3px; font-size: .98rem; }
.check-detail { margin: 0; color: var(--muted); font-size: .84rem; }

.dns-boundary { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
.dns-boundary p:not(.eyebrow) { max-width: 700px; margin: 14px 0 0; color: var(--muted); }
.technical { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: start; }
.code-grid { display: grid; gap: 10px; }
.code-grid code { display: block; padding: 14px 16px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #211c18; color: #f5e9df; }

footer { padding: 34px 0 48px; color: var(--muted); font-size: .86rem; }
footer p { margin: 0 0 12px; }
footer nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
footer a:hover { color: var(--ember-dark); }

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark; --ink: #f4eee8; --muted: #b4aaa0; --paper: #14110f; --surface: #1d1916;
    --line: #3d3530; --ember: #ee7b51; --ember-dark: #f08a63; --good: #79d7aa; --good-bg: #163f2d;
    --warn: #f0bd75; --warn-bg: #4a3216; --quiet-bg: #2a2420;
  }
  .primary-button, .external-button { color: #1b100b; background: var(--ember-dark); }
  .primary-button:hover, .external-button:hover { background: #ffad8c; }
  .hero { border-color: var(--line); box-shadow: none; }
  .code-grid code { background: #090807; }
}

@media (max-width: 780px) {
  .topbar { padding-inline: 16px; }
  .privacy-mark { display: none; }
  main, footer { width: min(100% - 24px, 620px); }
  .hero { margin-top: 12px; padding: 26px 20px; border-radius: 20px; }
  .ip-row { align-items: flex-start; }
  .icon-button { width: 44px; }
  section:not(.hero) { padding: 52px 0; }
  .section-heading { align-items: flex-start; }
  .status-grid, .check-list { grid-template-columns: 1fr; }
  .dns-boundary, .technical { grid-template-columns: 1fr; gap: 24px; }
  .external-button { width: 100%; }
}

@media (max-width: 430px) {
  .section-heading { flex-direction: column; }
  .section-heading button { width: 100%; }
  .hero-facts { gap: 8px 12px; }
}

@media (prefers-reduced-motion: no-preference) {
  button, .external-button, .status-card, .check-item { transition: border-color .18s ease, background-color .18s ease, opacity .18s ease, transform .18s ease; }
  button:active, .external-button:active { transform: translateY(1px); }
  .check-item { animation: reveal .24s ease both; }
  @keyframes reveal { from { opacity: 0; transform: translateY(5px); } }
}