:root {
  color-scheme: dark;
  --bg: #0f1419;
  --surface: #151b21;
  --surface-2: #1a2128;
  --line: #303840;
  --line-soft: #252d34;
  --text: #f4f6f8;
  --muted: #a9b1b9;
  --subtle: #77818b;
  --red: #e74045;
  --red-soft: rgba(231,64,69,.12);
  --green: #55c878;
  --green-soft: rgba(85,200,120,.12);
  --max: 1480px;
  --radius: 6px;
  --shadow: 0 16px 40px rgba(0,0,0,.22);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: -.01em;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; display: block; }
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 100;
  padding: 10px 14px; background: var(--text); color: var(--bg);
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }
.site-header, .site-footer, .section-shell {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  min-height: 86px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--line-soft);
}
.brand img { width: 230px; height: 58px; object-fit: contain; object-position: left center; }
.header-actions { display: flex; align-items: center; gap: 20px; }
.demo-chip, .summary-chip, .live-label {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; }
.text-button {
  border: 0; background: transparent; color: var(--text); padding: 8px 0;
  border-bottom: 1px solid var(--subtle);
}
.section-shell { padding-block: 54px; }
.hero {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(400px, .85fr);
  gap: 44px; align-items: end;
}
.eyebrow {
  margin: 0 0 10px; color: var(--muted); font-weight: 700; font-size: .76rem;
  text-transform: uppercase; letter-spacing: .12em;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 850px; font-size: clamp(2.7rem, 6vw, 5.9rem); line-height: .98;
  letter-spacing: -.055em; margin-bottom: 24px;
}
h2 { font-size: clamp(1.55rem, 2.4vw, 2.45rem); line-height: 1.1; letter-spacing: -.035em; }
h3 { font-size: 1rem; letter-spacing: -.02em; }
.hero-lede { max-width: 780px; font-size: clamp(1.05rem, 1.6vw, 1.35rem); color: #d9dee3; }
.hero-support, .muted { color: var(--muted); }
.disclosure {
  margin-top: 30px; max-width: 780px; padding: 16px 18px;
  border-left: 3px solid var(--red); background: var(--surface);
  display: grid; gap: 4px; color: var(--muted); font-size: .9rem;
}
.disclosure strong { color: var(--text); }
.card, .decision-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.decision-card { overflow: hidden; }
.decision-state {
  padding: 28px 30px; display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--line);
}
.decision-state .label { color: var(--muted); text-transform: uppercase; font-size: .8rem; letter-spacing: .1em; }
.decision-state strong { color: var(--red); font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1; }
.decision-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.decision-grid div { padding: 22px 28px; border-bottom: 1px solid var(--line-soft); }
.decision-grid div:nth-child(odd) { border-right: 1px solid var(--line-soft); }
.decision-grid dt, .proof-rows dt, .audit-list dt { color: var(--muted); font-size: .82rem; }
.decision-grid dd, .proof-rows dd, .audit-list dd { margin: 5px 0 0; font-weight: 700; }
.mono, code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.danger { color: var(--red); }
.sequence { border-top: 1px solid var(--line-soft); }
.section-heading, .card-heading {
  display: flex; align-items: end; justify-content: space-between; gap: 24px;
}
.sequence-meta {
  display: grid; justify-items: end; color: var(--muted); font-size: .86rem;
}
.sequence-meta strong, #sequenceClock { color: var(--text); font-variant-numeric: tabular-nums; }
.progress-track {
  margin: 24px 0 28px; height: 2px; background: var(--line);
}
.progress-track span {
  display: block; height: 100%; width: 0; background: var(--red);
  transition: width .25s linear;
}
.sequence-layout {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); gap: 20px;
}
.flow-card, .feed-card, .controls-card, .prevented-card, .audit-card { padding: 26px; }
.flow {
  list-style: none; margin: 26px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 14px; position: relative;
}
.flow::before {
  content: ""; position: absolute; top: 19px; left: 7%; right: 7%;
  border-top: 1px solid var(--line); z-index: 0;
}
.flow li {
  position: relative; z-index: 1; display: grid; justify-items: center; text-align: center;
  gap: 9px; color: var(--subtle); font-size: .82rem;
}
.flow .node {
  display: grid; place-items: center; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface);
  font-size: .72rem; font-variant-numeric: tabular-nums;
}
.flow li.active { color: var(--text); }
.flow li.active .node { border-color: var(--text); }
.flow li.intercepted { color: var(--text); }
.flow li.intercepted .node { border-color: var(--red); color: var(--red); background: var(--red-soft); }
.flow em {
  display: none; font-style: normal; color: var(--red); font-size: .65rem;
  text-transform: uppercase; letter-spacing: .08em;
}
.flow li.intercepted em { display: block; }
.intercept-note {
  margin-top: 30px; padding: 14px 16px; border-left: 3px solid var(--red);
  background: var(--red-soft); display: grid; gap: 3px;
}
.intercept-note span { color: var(--muted); font-size: .88rem; }
.event-feed {
  list-style: none; padding: 0; margin: 18px 0 0; height: 290px; overflow: auto;
  border-top: 1px solid var(--line);
}
.event-feed li {
  display: grid; grid-template-columns: 58px 1fr; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--line-soft);
  animation: eventIn .3s ease both;
}
.event-feed time { color: var(--subtle); font-variant-numeric: tabular-nums; font-size: .8rem; }
.event-feed strong { display: block; font-size: .9rem; }
.event-feed span { color: var(--muted); font-size: .78rem; }
@keyframes eventIn { from { opacity: 0; transform: translateY(6px); } }
.grid-two { display: grid; grid-template-columns: 1.12fr .88fr; gap: 20px; padding-top: 0; }
.control-list { margin: 26px 0 0; padding: 0; list-style: none; display: grid; }
.control-list li {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 16px 0; border-bottom: 1px solid var(--line-soft); color: var(--muted);
}
.control-list li.active { color: var(--text); }
.control-list strong {
  color: var(--red); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; white-space: nowrap;
}
.summary-chip { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; }
.proof-rows, .audit-list { margin: 24px 0 0; }
.proof-rows div, .audit-list div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 12px 0; border-bottom: 1px solid var(--line-soft);
}
.proof-rows dd { color: var(--red); font-family: "SFMono-Regular", Consolas, monospace; }
.proof-section { padding-top: 0; }
.audit-card {
  display: grid; grid-template-columns: minmax(260px, .7fr) minmax(280px, .7fr) minmax(320px, 1fr);
  gap: 34px; align-items: start;
}
.audit-card > div:first-child p:last-child { color: var(--muted); }
.audit-list { margin: 0; }
.audit-list dd { color: var(--green); }
.receipt {
  border: 1px solid var(--line); background: #10151a; padding: 16px;
  font-size: .78rem; overflow: auto;
}
.receipt div { display: grid; grid-template-columns: 140px 1fr; gap: 12px; padding: 5px 0; }
.receipt span { color: var(--subtle); }
.receipt code { color: #dfe5ea; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.metric { padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.metric strong { display: block; font-size: 2.3rem; line-height: 1; margin-bottom: 10px; }
.metric span { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.positioning {
  display: flex; justify-content: space-between; gap: 34px; align-items: end;
  border-top: 1px solid var(--line-soft);
}
.positioning > div { max-width: 850px; }
.positioning p:last-child { color: var(--muted); font-size: 1.05rem; }
.primary-button {
  border: 1px solid var(--red); background: var(--red); color: white;
  border-radius: 3px; padding: 14px 20px; font-weight: 800; white-space: nowrap;
}
.primary-button:hover, .primary-button:focus-visible { background: #c93237; border-color: #c93237; }
.site-footer {
  min-height: 80px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  color: var(--subtle); font-size: .84rem;
}
dialog {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text);
  width: min(520px, calc(100% - 32px)); padding: 0; box-shadow: 0 30px 100px rgba(0,0,0,.6);
}
dialog::backdrop { background: rgba(0,0,0,.72); }
dialog form { padding: 28px; }
dialog p:not(.eyebrow) { color: var(--muted); }

@media (max-width: 1050px) {
  .hero, .sequence-layout, .grid-two { grid-template-columns: 1fr; }
  .audit-card { grid-template-columns: 1fr 1fr; }
  .receipt { grid-column: 1 / -1; }
  .positioning { align-items: start; flex-direction: column; }
}
@media (max-width: 760px) {
  .site-header, .site-footer, .section-shell { width: min(100% - 24px, var(--max)); }
  .site-header { min-height: 74px; }
  .brand img { width: 165px; height: 44px; }
  .header-actions { gap: 10px; }
  .demo-chip { display: none; }
  .section-shell { padding-block: 38px; }
  .hero { gap: 26px; }
  h1 { font-size: clamp(2.55rem, 15vw, 4.4rem); }
  .decision-grid { grid-template-columns: 1fr; }
  .decision-grid div:nth-child(odd) { border-right: 0; }
  .flow { grid-template-columns: 1fr; gap: 8px; }
  .flow::before { top: 20px; bottom: 20px; left: 19px; right: auto; border-top: 0; border-left: 1px solid var(--line); }
  .flow li { grid-template-columns: 40px 1fr; justify-items: start; text-align: left; align-items: center; }
  .flow em { grid-column: 2; }
  .intercept-note { margin-top: 20px; }
  .audit-card { grid-template-columns: 1fr; }
  .receipt { grid-column: auto; }
  .receipt div { grid-template-columns: 1fr; gap: 2px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .section-heading, .card-heading { align-items: start; flex-direction: column; }
  .sequence-meta { justify-items: start; }
  .site-footer { align-items: start; flex-direction: column; justify-content: center; padding-block: 20px; }
}
@media (max-width: 470px) {
  .metrics { grid-template-columns: 1fr; }
  .control-list li { align-items: flex-start; flex-direction: column; gap: 5px; }
  .header-actions .text-button { font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* Synthetic Threat Lab */
.threat-lab {
  border-top: 1px solid var(--line-soft);
}
.threat-lab-heading {
  display: flex; justify-content: space-between; align-items: end; gap: 32px;
}
.threat-lab-heading > div:first-child { max-width: 900px; }
.threat-lab-lede { color: var(--muted); font-size: 1.02rem; margin-bottom: 0; }
.threat-lab-actions { display: grid; justify-items: end; gap: 12px; min-width: 260px; }
.threat-safety-chip {
  display: inline-flex; align-items: center; padding: 7px 10px;
  border: 1px solid var(--line); border-radius: 999px; color: var(--muted);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .09em;
}
.secondary-button {
  border: 1px solid var(--line); background: var(--surface-2); color: var(--text);
  border-radius: 3px; padding: 12px 16px; font-weight: 800;
}
.secondary-button:hover, .secondary-button:focus-visible { border-color: var(--text); }
.threat-summary {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px;
}
.threat-summary div {
  padding: 18px 20px; border: 1px solid var(--line); background: var(--surface);
}
.threat-summary strong { display: block; font-size: 1.55rem; line-height: 1; margin-bottom: 8px; }
.threat-summary span { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
.threat-status-bar {
  margin: 16px 0 20px; min-height: 42px; display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border: 1px solid var(--line-soft); background: #10151a;
  color: var(--muted); font-size: .86rem;
}
.threat-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px;
}
.threat-card {
  position: relative; padding: 24px; overflow: hidden;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.threat-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--red);
  opacity: .45;
}
.threat-card.active {
  border-color: var(--red); background: linear-gradient(180deg, var(--red-soft), var(--surface) 42%);
  transform: translateY(-2px);
}
.threat-card.active::before { opacity: 1; }
.threat-card-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.threat-number { color: var(--subtle); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.threat-badge {
  color: var(--green); border: 1px solid rgba(85,200,120,.3); background: var(--green-soft);
  padding: 6px 8px; border-radius: 999px; font-size: .68rem; text-transform: uppercase; letter-spacing: .07em;
}
.threat-family { margin: 0 0 4px; color: var(--red); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.threat-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.threat-description { color: var(--muted); min-height: 72px; }
.threat-proof { margin: 22px 0 0; }
.threat-proof div {
  display: grid; grid-template-columns: 140px 1fr; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--line-soft);
}
.threat-proof dt { color: var(--subtle); font-size: .78rem; }
.threat-proof dd { margin: 0; color: #dfe5ea; font-size: .84rem; font-weight: 700; }
.blocked-stages { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.blocked-stages span {
  padding: 6px 9px; border: 1px solid var(--line); background: #10151a; color: var(--muted);
  border-radius: 999px; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em;
}
.threat-boundary-card {
  margin-top: 20px; padding: 26px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr); gap: 34px;
}
.threat-boundary-card > div p:last-child { color: var(--muted); margin-bottom: 0; }
.threat-boundary-card dl { margin: 0; }
.threat-boundary-card dl div {
  display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line-soft);
}
.threat-boundary-card dt { color: var(--subtle); font-family: "SFMono-Regular", Consolas, monospace; font-size: .76rem; }
.threat-boundary-card dd { margin: 0; color: var(--red); font-family: "SFMono-Regular", Consolas, monospace; font-size: .76rem; font-weight: 800; }

@media (max-width: 1050px) {
  .threat-lab-heading { align-items: start; flex-direction: column; }
  .threat-lab-actions { justify-items: start; min-width: 0; }
  .threat-boundary-card { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .threat-summary { grid-template-columns: 1fr 1fr; }
  .threat-grid { grid-template-columns: 1fr; }
  .threat-description { min-height: 0; }
  .threat-proof div { grid-template-columns: 1fr; gap: 3px; }
  .threat-card-topline { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 470px) {
  .threat-summary { grid-template-columns: 1fr; }
  .secondary-button { width: 100%; }
  .threat-lab-actions { width: 100%; }
}