:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-surface-muted: #f0f3f7;
  --color-text: #142033;
  --color-muted: #647084;
  --color-primary: #1748d2;
  --color-primary-dark: #10369e;
  --color-navy: #102238;
  --color-border: #dde3eb;
  --color-success: #15805f;
  --color-error: #bc3f4a;
  --font-sans: "Avenir Next", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --font-number: "DIN Alternate", "Avenir Next Condensed", "Arial Narrow", sans-serif;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 7rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(20, 32, 51, 0.04), 0 8px 24px rgba(20, 32, 51, 0.04);
  --shadow-md: 0 16px 50px rgba(20, 32, 51, 0.09);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.top-rule { position: fixed; inset: 0 0 auto; z-index: 100; height: 3px; background: var(--color-primary); }
.mobile-only { display: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - 1240px) / 2));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
}

.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; text-decoration: none; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--color-primary);
  border-radius: 8px;
  font: 700 12px/1 var(--font-number);
  letter-spacing: -0.08em;
}
.brand-mark i { font-style: normal; }
.brand-mark i:first-child { justify-self: end; }
.brand-mark i:last-child { justify-self: start; opacity: 0.72; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy strong { font-size: 16px; line-height: 1.1; letter-spacing: 0.07em; }
.brand-copy small { margin-top: 4px; color: var(--color-muted); font-size: 10px; line-height: 1.2; letter-spacing: 0.05em; }

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav > a { color: #4f5b6d; font-size: 12px; font-weight: 600; text-decoration: none; transition: color 180ms ease; }
.site-nav > a:hover { color: var(--color-primary); }
.github-link { display: inline-flex; align-items: center; gap: 7px; }
.github-link svg { width: 17px; height: 17px; fill: currentColor; }

.header-actions { justify-self: end; }
.privacy-badge, .user-menu { display: flex; align-items: center; gap: 10px; color: var(--color-muted); font-size: 11px; }
.privacy-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 4px rgba(21, 128, 95, 0.1); }
.user-menu > span { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu button, .quiet-button {
  padding: 8px 13px;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: border-color 180ms ease, background 180ms ease;
}
.user-menu button:hover, .quiet-button:hover { background: var(--color-surface-muted); border-color: #c5cfdb; }

.auth-view, .portal-view, .public-section, .site-footer {
  width: min(1240px, calc(100% - 48px));
  margin-inline: auto;
}

.auth-view {
  min-height: 690px;
  padding: clamp(64px, 8vw, 104px) 0 clamp(74px, 9vw, 124px);
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: clamp(56px, 8vw, 116px);
}

.hero-copy { max-width: 720px; }
.public-label { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; color: var(--color-muted); font-size: 10px; letter-spacing: 0.08em; }
.public-label::before { content: ""; width: 28px; height: 2px; background: var(--color-primary); }
.public-label b { padding-left: 12px; color: var(--color-primary); border-left: 1px solid var(--color-border); font-weight: 700; }
.eyebrow { margin: 0 0 14px; color: var(--color-primary); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; }
.hero-copy h1, .workspace-head h1, .purpose-copy h2, .privacy-heading h2, .open-source-section h2, .disclaimer-section h2 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.12;
}
.hero-copy h1 { max-width: 760px; font-size: clamp(44px, 6.2vw, 76px); }
.hero-copy h1 em, .workspace-head h1 em, .privacy-heading h2 em { color: var(--color-primary); font-style: normal; }
.hero-lead { max-width: 590px; margin: 28px 0 0; color: var(--color-muted); font-size: clamp(16px, 1.5vw, 18px); line-height: 1.85; }

.trust-ledger {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.trust-ledger div { min-height: 108px; padding: 22px 20px; border-right: 1px solid var(--color-border); }
.trust-ledger div:last-child { border-right: 0; }
.trust-ledger span, .trust-ledger strong, .trust-ledger small { display: block; }
.trust-ledger span { color: var(--color-primary); font: 700 10px var(--font-number); }
.trust-ledger strong { margin-top: 13px; font-size: 13px; }
.trust-ledger small { margin-top: 4px; color: var(--color-muted); font-size: 10px; }

.auth-shell {
  position: relative;
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.document-index { position: absolute; top: 24px; right: 28px; color: #9aa5b5; text-align: right; }
.document-index span, .document-index strong { display: block; }
.document-index span { font-size: 8px; letter-spacing: 0.12em; }
.document-index strong { margin-top: 2px; font: 700 22px var(--font-number); }
.auth-shell-head p { margin: 0; color: var(--color-primary); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; }
.auth-shell-head h2 { margin: 8px 0 5px; font-size: 28px; line-height: 1.25; letter-spacing: -0.03em; }
.auth-shell-head small { color: var(--color-muted); }

.auth-tabs { margin: 28px 0 24px; padding-bottom: 0; display: flex; border-bottom: 1px solid var(--color-border); }
.auth-tabs button { position: relative; padding: 10px 18px 12px 0; color: var(--color-muted); background: transparent; border: 0; cursor: pointer; font-size: 13px; font-weight: 600; }
.auth-tabs button + button { padding-left: 18px; }
.auth-tabs button.active { color: var(--color-text); }
.auth-tabs button.active::after { content: ""; position: absolute; right: 18px; bottom: -1px; left: 0; height: 2px; background: var(--color-primary); }
.auth-tabs button + button.active::after { left: 18px; }

.auth-form label, .official-fields label { display: block; color: #3f4b5d; font-size: 12px; font-weight: 650; }
.auth-form label + label { margin-top: 17px; }
.auth-form label > span, .official-fields label > span { display: block; margin-bottom: 7px; }
.auth-form input, .official-fields input, .official-fields select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  color: var(--color-text);
  background: #fff;
  border: 1px solid #cfd7e2;
  border-radius: var(--radius-sm);
  outline: 0;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.auth-form input::placeholder, .official-fields input::placeholder { color: #9aa5b5; }
.auth-form input:focus, .official-fields input:focus, .official-fields select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(23, 72, 210, 0.1); }
.auth-form > small { display: block; margin-top: 9px; color: var(--color-muted); font-size: 11px; }

.primary-button {
  min-height: 50px;
  padding: 0 17px 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: #fff;
  background: var(--color-primary);
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(23, 72, 210, 0.16);
  transition: background 180ms ease, transform 180ms var(--ease), box-shadow 180ms ease;
}
.primary-button:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(23, 72, 210, 0.2); }
.primary-button:disabled { cursor: wait; opacity: 0.58; transform: none; }
.primary-button i { font-style: normal; font-size: 17px; font-weight: 400; }
.auth-form .primary-button { width: 100%; margin-top: 24px; }
.form-notice { min-height: 20px; margin: 14px 0 0; color: var(--color-error); font-size: 12px; line-height: 1.6; }
.form-notice.centered { text-align: center; }
.auth-assurance { margin: 22px -36px -36px; padding: 17px 36px; display: grid; grid-template-columns: auto 1fr; gap: 11px; color: var(--color-muted); background: #f7f9fb; border-top: 1px solid var(--color-border); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.auth-assurance > span { color: var(--color-success); font-size: 9px; }
.auth-assurance p { margin: 0; font-size: 10px; line-height: 1.65; }
.auth-assurance strong { margin-right: 7px; color: var(--color-text); }

.portal-view { padding: 74px 0 110px; }
.workspace-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 38px; }
.workspace-head h1 { font-size: clamp(40px, 5.6vw, 66px); }
.session-seal { min-width: 156px; padding: 18px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.session-seal > span, .session-seal > strong, .session-seal small { display: block; }
.session-seal > span { color: var(--color-muted); font-size: 8px; letter-spacing: 0.12em; }
.session-seal > strong { margin: 5px 0 11px; font: 700 18px var(--font-number); letter-spacing: 0.05em; }
.session-seal small { color: var(--color-success); font-size: 10px; }
.session-seal small i { display: inline-block; width: 6px; height: 6px; margin-right: 7px; background: var(--color-success); border-radius: 50%; }

.lookup-desk { display: grid; grid-template-columns: 320px 1fr; overflow: hidden; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.lookup-guide { position: relative; padding: 40px 34px; color: #fff; background: var(--color-navy); }
.document-index.light { top: 30px; right: 30px; color: rgba(255,255,255,0.4); }
.lookup-guide .eyebrow { color: #89a9ff; }
.lookup-guide h2 { margin: 0; font-size: 30px; line-height: 1.25; letter-spacing: -0.03em; }
.steps { margin: 38px 0 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.12); }
.steps li > span { color: #89a9ff; font: 700 10px var(--font-number); }
.steps strong { font-size: 13px; }
.steps p { margin: 4px 0 0; color: rgba(255,255,255,0.58); font-size: 11px; line-height: 1.65; }
.ephemeral-note { margin-top: 24px; padding-top: 20px; display: grid; grid-template-columns: auto 1fr; gap: 11px; color: rgba(255,255,255,0.6); border-top: 1px solid rgba(255,255,255,0.12); font-size: 10px; line-height: 1.6; }
.ephemeral-note i { width: 7px; height: 7px; margin-top: 5px; background: #53c9a3; border-radius: 50%; }
.ephemeral-note strong { display: block; margin-bottom: 2px; color: #fff; font-size: 11px; }

.official-form { padding: clamp(32px, 5vw, 54px); }
.form-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 30px; padding-bottom: 22px; border-bottom: 1px solid var(--color-border); }
.form-title span { color: var(--color-primary); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; }
.form-title h2 { margin: 5px 0 0; font-size: 27px; letter-spacing: -0.03em; }
.form-title a { color: var(--color-primary); font-size: 11px; font-weight: 700; text-decoration: none; }
.form-alert { margin: -4px 0 24px; padding: 15px 16px; display: grid; grid-template-columns: 24px 1fr; gap: 11px; color: #812c35; background: #fff5f6; border: 1px solid #efc9ce; border-radius: var(--radius-sm); }
.form-alert > i { width: 22px; height: 22px; display: grid; place-items: center; color: #fff; background: var(--color-error); border-radius: 50%; font-size: 12px; font-style: normal; font-weight: 800; }
.form-alert strong { display: block; color: #812c35; font-size: 12px; }
.form-alert p { margin: 3px 0 0; font-size: 11px; line-height: 1.6; }
.official-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 19px 18px; }
.wide-field { grid-column: 1 / -1; }
.official-fields select:disabled { color: var(--color-muted); cursor: wait; background: var(--color-surface-muted); }
.official-fields .field-invalid input, .official-fields .field-invalid select { border-color: var(--color-error); box-shadow: 0 0 0 3px rgba(188, 63, 74, 0.08); }
.field-error { display: block; margin-top: 6px; color: var(--color-error); font-size: 10px; font-weight: 600; line-height: 1.5; }
.consent-row { margin-top: 24px; padding: 16px; display: grid; grid-template-columns: auto 1fr; gap: 12px; color: var(--color-muted); background: #f7f9fb; border: 1px solid var(--color-border); border-radius: var(--radius-sm); cursor: pointer; font-size: 11px; line-height: 1.65; }
.consent-row input { width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--color-primary); }
.consent-row.field-invalid { background: #fff7f7; border-color: #efc9ce; }
.consent-row .field-error { grid-column: 2; margin-top: -5px; }
.form-action-row { margin-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.form-action-row p { max-width: 360px; margin: 0; color: var(--color-muted); font-size: 10px; line-height: 1.6; }
.form-action-row p span { display: block; margin-bottom: 2px; color: var(--color-text); font-weight: 700; }

.querying-panel { padding: 74px 32px; color: #fff; background: var(--color-navy); border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-md); }
.query-orbit { position: relative; width: 94px; height: 94px; margin: 0 auto 30px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; }
.query-orbit::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,0.08); border-radius: 50%; }
.query-orbit span { color: #a9beff; font: 700 11px var(--font-number); letter-spacing: 0.1em; }
.query-orbit i { position: absolute; top: -3px; left: 50%; width: 7px; height: 7px; background: #7fa0ff; border-radius: 50%; transform-origin: 0 50px; animation: orbit 1.8s infinite var(--ease); }
.querying-panel .eyebrow { color: #9bb3ff; }
.querying-panel h2 { margin: 0; font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.03em; }
.querying-panel > p:not(.eyebrow):not(.form-notice) { margin: 10px 0 0; color: rgba(255,255,255,0.6); }
.waiting-line { width: max-content; max-width: 100%; margin: 28px auto 0; padding-top: 22px; display: flex; align-items: center; gap: 12px; border-top: 1px solid rgba(255,255,255,0.12); text-align: left; }
.waiting-line > i { width: 8px; height: 8px; background: #53c9a3; border-radius: 50%; box-shadow: 0 0 0 0 rgba(83,201,163,0.4); animation: status-pulse 1.6s infinite; }
.waiting-line strong, .waiting-line small { display: block; }
.waiting-line strong { font-size: 12px; }
.waiting-line small { margin-top: 3px; color: rgba(255,255,255,0.46); font-size: 10px; }
.querying-panel .form-notice { color: #ffabb2; }
.querying-panel .quiet-button { margin-top: 10px; color: #fff; background: transparent; border-color: rgba(255,255,255,0.2); }

.result-topline { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.result-topline h2 { margin: 0; font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.035em; }
.quiet-button.dark { color: var(--color-text); background: transparent; }
.number-document { position: relative; overflow: hidden; padding: clamp(34px, 5vw, 58px); color: #fff; background: var(--color-primary); border-radius: var(--radius-lg); box-shadow: 0 20px 50px rgba(23,72,210,0.17); }
.number-document::before { content: ""; position: absolute; inset: 0; opacity: 0.12; background-image: repeating-linear-gradient(90deg, transparent 0, transparent 22px, rgba(255,255,255,0.18) 23px); }
.number-meta { position: relative; z-index: 1; }
.number-meta span, .number-meta small { display: block; }
.number-meta span { font: 700 9px var(--font-number); letter-spacing: 0.16em; }
.number-meta small { margin-top: 4px; color: rgba(255,255,255,0.62); font-size: 9px; }
.number-document > strong { position: relative; z-index: 1; display: inline-block; margin: 24px 14px 0 0; font: 700 clamp(32px, 5.3vw, 62px)/1 var(--font-number); letter-spacing: 0.025em; word-break: break-word; }
.number-document > button { position: relative; z-index: 1; padding: 8px 12px; color: #fff; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.35); border-radius: var(--radius-sm); cursor: pointer; font-size: 11px; font-weight: 700; }
.number-document > p { position: relative; z-index: 1; max-width: 720px; margin: 18px 0 0; color: rgba(255,255,255,0.72); font-size: 12px; }
.document-stamp { position: absolute; right: 5%; bottom: 18%; width: 105px; height: 105px; display: grid; place-content: center; color: rgba(255,255,255,0.18); border: 2px solid rgba(255,255,255,0.16); border-radius: 50%; text-align: center; transform: rotate(-10deg); }
.document-stamp span, .document-stamp strong { display: block; }
.document-stamp span { font-size: 8px; letter-spacing: 0.15em; }
.document-stamp strong { font: 700 18px var(--font-number); }
.result-ledger { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.result-ledger article { min-height: 130px; padding: 23px; border-right: 1px solid var(--color-border); }
.result-ledger article:last-child { border-right: 0; }
.result-ledger span, .result-ledger strong, .result-ledger small { display: block; }
.result-ledger span { color: var(--color-muted); font-size: 9px; }
.result-ledger strong { margin-top: 18px; font-size: 16px; word-break: break-word; }
.result-ledger small { margin-top: 5px; color: var(--color-muted); font-size: 10px; }
.download-callout { margin-top: 18px; padding: 30px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 26px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.download-index { width: 62px; padding-right: 22px; border-right: 1px solid var(--color-border); }
.download-index span, .download-index strong { display: block; }
.download-index span { color: var(--color-muted); font-size: 8px; }
.download-index strong { margin-top: 5px; color: var(--color-primary); font: 700 28px var(--font-number); }
.download-callout h2, .download-callout p { margin: 0; }
.download-callout h2 { font-size: 20px; letter-spacing: -0.02em; }
.download-callout > div:nth-child(2) > p:not(.eyebrow) { margin-top: 6px; color: var(--color-muted); font-size: 11px; }
.download-callout small { display: block; margin-top: 5px; color: #8a5b18; font-size: 9px; }
.download-callout > a, .source-button { padding: 12px 15px; color: #fff; background: var(--color-primary); border-radius: var(--radius-sm); text-decoration: none; font-size: 11px; font-weight: 700; }
.download-callout > a b { margin-left: 8px; }

.public-section { position: relative; margin-top: 22px; padding: clamp(54px, 7vw, 84px); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.section-rail { position: absolute; top: 62px; left: 30px; color: var(--color-muted); writing-mode: vertical-rl; }
.section-rail span { color: var(--color-primary); font: 700 25px var(--font-number); }
.section-rail small { margin-top: 12px; font-size: 8px; letter-spacing: 0.14em; }
.purpose-section { display: grid; grid-template-columns: 1fr 180px; gap: 70px; padding-left: clamp(80px, 9vw, 120px); }
.purpose-copy h2, .privacy-heading h2, .open-source-section h2, .disclaimer-section h2 { font-size: clamp(34px, 4.5vw, 54px); }
.purpose-columns { max-width: 790px; margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; color: var(--color-muted); }
.purpose-columns p { margin: 0; font-size: 13px; line-height: 1.9; }
.purpose-copy blockquote { position: relative; max-width: 790px; margin: 42px 0 0; padding: 25px 30px; color: #28364a; background: #f5f7fa; border-left: 3px solid var(--color-primary); font-size: 17px; line-height: 1.7; }
.purpose-copy blockquote > span { position: absolute; top: 4px; left: 9px; color: #cbd4e1; font-size: 30px; }
.purpose-copy cite { display: block; margin-top: 9px; color: var(--color-muted); font-size: 10px; font-style: normal; }
.purpose-monogram { align-self: center; display: grid; grid-template-columns: 1fr 1fr; place-items: center; color: var(--color-primary); font: 700 64px/1 var(--font-number); letter-spacing: -0.18em; }
.purpose-monogram span:first-child { justify-self: end; }
.purpose-monogram span:nth-child(2) { justify-self: start; opacity: 0.35; }
.purpose-monogram small { grid-column: 1/-1; margin-top: 18px; color: var(--color-muted); font-size: 8px; letter-spacing: 0.16em; }

.privacy-section { padding-left: clamp(80px, 9vw, 120px); color: #fff; background: var(--color-navy); border-color: var(--color-navy); }
.section-rail.inverse { color: rgba(255,255,255,0.45); }
.section-rail.inverse span { color: #84a6ff; }
.privacy-heading { display: grid; grid-template-columns: 1.1fr 0.7fr; align-items: end; gap: 60px; }
.privacy-heading .eyebrow { grid-column: 1/-1; color: #91aeff; }
.privacy-heading h2 em { color: #91aeff; }
.privacy-heading > p:last-child { margin: 0 0 4px; color: rgba(255,255,255,0.62); font-size: 13px; line-height: 1.85; }
.privacy-matrix { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,0.15); border-bottom: 1px solid rgba(255,255,255,0.15); }
.privacy-matrix article { min-height: 190px; padding: 25px 24px; border-right: 1px solid rgba(255,255,255,0.15); }
.privacy-matrix article:last-child { border-right: 0; }
.privacy-matrix span, .privacy-matrix strong { display: block; }
.privacy-matrix span { color: #91aeff; font-size: 9px; }
.privacy-matrix strong { margin-top: 18px; font-size: 14px; }
.privacy-matrix p { margin: 10px 0 0; color: rgba(255,255,255,0.55); font-size: 11px; line-height: 1.7; }

.open-source-section { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 36px; background: #eef3ff; border-color: #d7e1ff; }
.github-emblem { width: 76px; height: 76px; display: grid; place-items: center; color: var(--color-primary); background: #fff; border: 1px solid #d7e1ff; border-radius: 18px; }
.github-emblem svg { width: 38px; height: 38px; fill: currentColor; }
.open-source-section h2 { font-size: clamp(30px, 4vw, 46px); }
.open-source-section p:not(.eyebrow) { max-width: 690px; margin: 15px 0 0; color: var(--color-muted); font-size: 13px; }
.source-button { min-width: 174px; display: flex; justify-content: space-between; gap: 18px; }

.disclaimer-section { padding-left: clamp(80px, 9vw, 120px); }
.disclaimer-section h2 { font-size: clamp(30px, 4vw, 46px); }
.disclaimer-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--color-border); }
.disclaimer-grid p { margin: 0; padding: 24px 30px 24px 0; color: var(--color-muted); border-bottom: 1px solid var(--color-border); font-size: 11px; line-height: 1.8; }
.disclaimer-grid p:nth-child(odd) { padding-right: 36px; border-right: 1px solid var(--color-border); }
.disclaimer-grid p:nth-child(even) { padding-left: 36px; }
.disclaimer-grid strong { display: block; margin-bottom: 5px; color: var(--color-text); font-size: 12px; }

.site-footer { margin-top: 22px; padding: 34px 0 48px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; color: var(--color-muted); font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark.mini { width: 30px; height: 30px; border-radius: 6px; font-size: 9px; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand strong { color: var(--color-text); font-size: 12px; letter-spacing: 0.06em; }
.footer-brand small { margin-top: 2px; }
.site-footer > p { margin: 0; }
.footer-links { justify-self: end; display: flex; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--color-primary); }

:focus-visible { outline: 3px solid rgba(23,72,210,0.28); outline-offset: 3px; }
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(14px); }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes status-pulse { 70% { box-shadow: 0 0 0 8px rgba(83,201,163,0); } 100% { box-shadow: 0 0 0 0 rgba(83,201,163,0); } }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .auth-view { grid-template-columns: 1fr; max-width: 760px; }
  .hero-copy { max-width: none; }
  .lookup-desk { grid-template-columns: 280px 1fr; }
  .result-ledger, .privacy-matrix { grid-template-columns: repeat(2, 1fr); }
  .result-ledger article:nth-child(2), .privacy-matrix article:nth-child(2) { border-right: 0; }
  .result-ledger article:nth-child(-n+2), .privacy-matrix article:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
  .privacy-matrix article:nth-child(-n+2) { border-bottom-color: rgba(255,255,255,0.15); }
  .purpose-section { grid-template-columns: 1fr; }
  .purpose-monogram { display: none; }
  .open-source-section { grid-template-columns: 76px 1fr; }
  .source-button { grid-column: 2; width: max-content; }
}

@media (max-width: 760px) {
  .site-header { min-height: 68px; padding-inline: 18px; }
  .brand-copy small, .privacy-badge span, .user-menu > span { display: none; }
  .auth-view, .portal-view, .public-section, .site-footer { width: min(100% - 28px, 1240px); }
  .auth-view { min-height: 0; padding: 50px 0 72px; gap: 42px; }
  .hero-copy h1 { font-size: clamp(37px, 11.2vw, 50px); overflow-wrap: anywhere; }
  .mobile-only { display: block; }
  .trust-ledger { grid-template-columns: repeat(3, 1fr); }
  .trust-ledger div { min-height: 94px; padding: 15px 11px; border-right: 1px solid var(--color-border); border-bottom: 0; }
  .trust-ledger div:last-child { border-right: 0; }
  .trust-ledger strong { margin-top: 9px; font-size: 10px; }
  .trust-ledger small { font-size: 8px; }
  .auth-shell { padding: 26px 22px; }
  .auth-assurance { margin: 22px -22px -26px; padding: 16px 22px; }
  .document-index { display: none; }
  .portal-view { padding: 50px 0 76px; }
  .workspace-head { align-items: flex-start; flex-direction: column; }
  .workspace-head h1 { font-size: clamp(38px, 11vw, 54px); }
  .session-seal { min-width: 150px; }
  .lookup-desk { grid-template-columns: 1fr; }
  .lookup-guide { padding: 32px 25px; }
  .official-form { padding: 28px 22px; }
  .form-title, .form-action-row, .result-topline { align-items: stretch; flex-direction: column; }
  .form-title a { width: max-content; }
  .official-fields { grid-template-columns: 1fr; }
  .wide-field { grid-column: auto; }
  .form-action-row .primary-button { width: 100%; }
  .number-document { padding: 32px 24px; }
  .number-document > strong { display: block; margin-right: 0; font-size: clamp(28px, 8.7vw, 42px); }
  .number-document > button { margin-top: 17px; }
  .document-stamp { display: none; }
  .result-ledger, .privacy-matrix { grid-template-columns: 1fr; }
  .result-ledger article, .privacy-matrix article { min-height: 0; border-right: 0 !important; border-bottom: 1px solid var(--color-border); }
  .privacy-matrix article { border-bottom-color: rgba(255,255,255,0.15); }
  .result-ledger article:last-child, .privacy-matrix article:last-child { border-bottom: 0; }
  .download-callout { grid-template-columns: 1fr; padding: 25px 22px; }
  .download-index { width: auto; padding: 0 0 15px; border-right: 0; border-bottom: 1px solid var(--color-border); }
  .download-callout > a { text-align: center; }
  .public-section { padding: 48px 24px; }
  .section-rail { display: none; }
  .purpose-section, .privacy-section, .disclaimer-section { padding-left: 24px; }
  .purpose-columns, .privacy-heading, .disclaimer-grid { grid-template-columns: 1fr; gap: 22px; }
  .purpose-copy blockquote { padding: 22px; }
  .privacy-heading .eyebrow { grid-column: auto; }
  .privacy-matrix { margin-top: 34px; }
  .open-source-section { grid-template-columns: 1fr; gap: 24px; }
  .github-emblem { width: 60px; height: 60px; border-radius: 14px; }
  .source-button { grid-column: auto; width: 100%; }
  .disclaimer-grid p, .disclaimer-grid p:nth-child(odd), .disclaimer-grid p:nth-child(even) { padding: 20px 0; border-right: 0; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-self: start; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}