@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&display=swap');

:root {
  --bg: #0f0e0d;
  --surface: #171614;
  --raised: #1d1b18;
  --text: #f2eee7;
  --muted: #a29c94;
  --primary: #e2a53f;
  --primary-dark: #251b0e;
  --node: #5ba3a0;
  --danger: #e26b61;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --max: 1180px;
  --radius: 6px;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--text); }
::selection { background: rgba(226, 165, 63, 0.32); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

.container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.section { padding: 88px 0; border-bottom: 1px solid var(--border); }
.section.surface { background: var(--surface); }
.section.compact { padding: 68px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 14, 13, 0.9);
  backdrop-filter: blur(14px);
}
.header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 29px; height: 29px; color: var(--primary); flex: none; }
.brand-name { font: 500 21px/1 var(--serif); letter-spacing: -0.02em; }
.desktop-nav { display: flex; align-items: center; gap: 31px; color: var(--muted); font-size: 14px; }
.desktop-nav a:hover { color: var(--text); }
.nav-signin { border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 7px 15px; color: var(--text); }
.nav-signin:hover { background: var(--raised); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { list-style: none; cursor: pointer; border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 7px 12px; font-size: 14px; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-panel { position: absolute; right: 0; top: 45px; min-width: 210px; border: 1px solid var(--border-strong); background: var(--bg); padding: 10px; box-shadow: 0 18px 40px rgba(0,0,0,.4); }
.mobile-panel a { display: block; padding: 10px 11px; color: var(--muted); font-size: 14px; }
.mobile-panel a:hover { background: var(--surface); color: var(--text); }

.label {
  margin: 0;
  color: var(--muted);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: .17em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.018em; margin: 0; }
h1 { font-size: clamp(43px, 5.1vw, 68px); line-height: 1.06; }
h2 { font-size: clamp(35px, 4vw, 52px); line-height: 1.12; }
h3 { font-size: 25px; line-height: 1.2; }
p { margin: 0; }
.lead { margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.75; max-width: 650px; }
.body-copy { color: var(--muted); line-height: 1.8; }
.body-copy p + p { margin-top: 19px; }

.hero { padding: 92px 0 70px; border-bottom: 1px solid var(--border); }
.hero + .section { padding-top: 64px; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 72px; align-items: center; }
.hero h1 { margin-top: 22px; max-width: 690px; }
.hero .lead { max-width: 650px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 21px; border-radius: var(--radius); border: 1px solid var(--border-strong); font-size: 14px; font-weight: 500; transition: .15s ease; }
.button.primary { background: var(--primary); color: var(--primary-dark); border-color: var(--primary); }
.button.primary:hover { filter: brightness(1.04); color: var(--primary-dark); }
.button.secondary:hover { background: var(--raised); }
.audience-note { margin-top: 35px; max-width: 520px; }
.visual-frame { border: 1px solid var(--border-strong); background: var(--surface); padding: 16px; }
.network-visual { display: block; width: 100%; height: auto; }

.split { display: grid; grid-template-columns: .94fr 1.06fr; gap: 68px; align-items: start; }
.split h2 { margin-top: 17px; }
.split-copy { margin-top: 23px; color: var(--muted); max-width: 520px; }
.matrix { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--border-strong); background: var(--border); gap: 1px; }
.matrix-item { background: var(--bg); padding: 23px; min-height: 104px; }
.matrix-item p:last-child { margin-top: 9px; color: var(--muted); font-size: 14px; }
.matrix-note { grid-column: 1 / -1; background: var(--bg); padding: 23px; font-size: 14px; }
.accent { color: var(--primary); }

.section-heading { max-width: 760px; }
.section-heading h2 { margin-top: 17px; }
.capabilities { margin-top: 52px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--border); background: var(--border); }
.capability { background: var(--bg); padding: 36px; min-height: 235px; }
.capability h3 { margin-top: 17px; }
.capability .body-copy { margin-top: 15px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 52px 0 0; padding: 0; border: 1px solid var(--border); background: var(--border); list-style: none; }
.step { background: var(--bg); padding: 31px; }
.step .step-number { color: var(--primary); }
.step h3 { margin-top: 12px; font-size: 22px; }
.step p:last-child { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.safety-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 45px; padding-top: 38px; border-top: 1px solid var(--border); }
.safety-statement { font: 500 clamp(25px, 3vw, 35px)/1.28 var(--serif); }
.bullets { margin: 0; padding: 0; list-style: none; color: var(--muted); }
.bullets li { position: relative; padding-left: 29px; margin: 11px 0; }
.bullets li::before { content: ''; position: absolute; left: 0; top: .8em; width: 15px; height: 1px; background: var(--primary); }

.process { margin-top: 50px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-row { display: grid; grid-template-columns: 90px 230px 1fr; gap: 30px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--border); }
.process-row:last-child { border-bottom: 0; }
.process-num { font: 500 42px/1 var(--serif); color: var(--primary); }
.process-row h3 { font-size: 25px; }
.process-row p { color: var(--muted); }

.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; align-items: center; }
.vision-grid h2 { margin-top: 17px; }
.vision-copy { margin-top: 23px; color: var(--muted); line-height: 1.8; }
.vision-copy p + p { margin-top: 19px; }
.direction-note { border-left: 1px solid var(--primary); padding-left: 17px; font-size: 14px; }

.users-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 65px; align-items: start; }
.users-grid h2 { margin-top: 17px; font-size: 40px; }
.users-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--border); background: var(--border); list-style: none; margin: 0; padding: 0; }
.users-list li { background: var(--bg); padding: 22px; font-size: 14px; }
.users-list li:last-child { grid-column: 1 / -1; }

.principles { margin-top: 50px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; border: 1px solid var(--border); background: var(--border); }
.principle { grid-column: span 2; background: var(--bg); padding: 29px; min-height: 180px; }
.principle:nth-child(n+4) { grid-column: span 3; }
.principle h3 { font-size: 21px; }
.principle p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.75; }

.cta h2 { max-width: 800px; }
.cta .body-copy { margin-top: 22px; max-width: 660px; }
.contact-line { margin-top: 27px; font-size: 14px; }
.contact-line a { text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 4px; }
.site-footer { border-top: 1px solid var(--border); }
.footer-main { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 55px; padding: 52px 0; }
.footer-brand .label { margin-top: 13px; }
.footer-nav { display: grid; gap: 9px; align-content: start; font-size: 14px; }
.footer-nav a { color: var(--muted); }
.footer-contact a { display: inline-block; margin-top: 12px; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; color: var(--muted); font-size: 12px; }

.about-hero h1 { margin-top: 22px; max-width: 850px; }
.about-hero .lead { max-width: 770px; }
.quote { max-width: 860px; font: 500 clamp(30px, 4vw, 46px)/1.27 var(--serif); }
.quote-label { margin-top: 22px; }
.name-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.name-grid h2 { margin-top: 17px; font-size: 42px; }
.name-grid .body-copy { font-size: 17px; }
.founder-card { margin-top: 30px; display: grid; grid-template-columns: 190px 1fr; gap: 48px; padding: 42px; border: 1px solid var(--border-strong); background: var(--surface); }
.founder-monogram { width: 128px; height: 128px; display: grid; place-items: center; border: 1px solid var(--border-strong); color: var(--primary); font: 500 31px/1 var(--serif); }
.founder-name { margin-top: 18px; font: 500 21px/1.2 var(--serif); }
.founder-role { margin-top: 8px; }
.founder-bio p + p { margin-top: 18px; }
.contact-section { display: flex; justify-content: space-between; gap: 50px; align-items: end; }
.contact-section h2 { font-size: 40px; }
.contact-section p { margin-top: 13px; color: var(--muted); }

.login-shell { min-height: 100vh; display: flex; flex-direction: column; }
.login-header { border-bottom: 1px solid var(--border); }
.login-header .header-inner { height: 68px; }
.login-main { flex: 1; display: grid; place-items: center; padding: 66px 24px; }
.login-card { width: min(100%, 460px); }
.login-card h1 { margin-top: 15px; font-size: 42px; }
.login-card > .body-copy { margin-top: 9px; }
.status { margin-top: 29px; padding: 13px 15px; border: 1px solid var(--border-strong); background: var(--surface); font-size: 14px; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 999px; background: var(--primary); vertical-align: middle; }
.login-form { margin-top: 27px; }
.field + .field { margin-top: 18px; }
.field label { display: block; }
.field input { width: 100%; margin-top: 8px; padding: 12px 13px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--surface); color: var(--text); font: 14px var(--sans); }
.field input:disabled { opacity: .58; cursor: not-allowed; }
.login-form button { width: 100%; margin-top: 21px; }
.form-note { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.login-enquiries { margin-top: 23px; color: var(--muted); font-size: 14px; }
.login-enquiries a { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
.login-footer { border-top: 1px solid var(--border); padding: 20px 0; color: var(--muted); font-size: 12px; }

.not-found { min-height: 100vh; display: grid; place-items: center; padding: 40px 24px; text-align: center; }
.not-found h1 { font-size: 76px; }
.not-found h2 { margin-top: 7px; font-size: 30px; }
.not-found p { margin-top: 12px; color: var(--muted); }
.not-found .button { margin-top: 26px; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero { padding: 72px 0 58px; }
  .hero + .section { padding-top: 56px; }
  .hero-grid, .split, .vision-grid, .users-grid, .name-grid { grid-template-columns: 1fr; }
  .hero-grid, .split, .vision-grid, .name-grid { gap: 45px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .principle, .principle:nth-child(n+4) { grid-column: auto; }
  .principle:last-child { grid-column: 1 / -1; }
  .process-row { grid-template-columns: 70px 180px 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 650px) {
  .container { width: min(calc(100% - 34px), var(--max)); }
  .section { padding: 65px 0; }
  .hero { padding: 60px 0 50px; }
  .hero + .section { padding-top: 52px; }
  h1 { font-size: 43px; }
  h2 { font-size: 36px; }
  .lead { font-size: 17px; }
  .matrix, .capabilities, .steps, .principles, .users-list { grid-template-columns: 1fr; }
  .matrix-note, .users-list li:last-child, .principle:last-child { grid-column: auto; }
  .safety-summary { grid-template-columns: 1fr; gap: 31px; }
  .process-row { grid-template-columns: 52px 1fr; gap: 15px; }
  .process-row p { grid-column: 2; }
  .founder-card { grid-template-columns: 1fr; padding: 27px; gap: 30px; }
  .contact-section { align-items: start; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
  .footer-contact { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}