:root {
  --ink: #0F1B2D;
  --ink-2: #1B2A40;
  --paper: #F5F3EE;
  --white: #FFFFFF;
  --line: #DAD6CC;
  --line-dark: rgba(255, 255, 255, 0.14);
  --text: #1C2635;
  --muted: #5D6675;
  --accent: #FF5A1F;
  --accent-dark: #D9420B;
  --max: 1200px;
  --sans: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; display: block; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--mono); }

/* Header */
.site-header { background: var(--paper); border-bottom: 1px solid var(--ink); position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 23px; letter-spacing: -0.4px; }
.brand:hover { color: var(--ink); }
.brand img { width: 34px; height: 34px; }
.brand b { font-weight: 700; }
.brand span { font-weight: 400; margin-left: -12px; }
.nav { display: flex; gap: 32px; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--accent-dark); }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px;
  background: var(--ink); color: var(--white) !important; text-decoration: none;
  font-weight: 600; font-size: 15px; border: 1px solid var(--ink); border-radius: 2px;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn::after { content: "→"; font-family: var(--mono); }
.btn-line { background: transparent; color: var(--ink) !important; }
.btn-line:hover { background: var(--ink); color: var(--white) !important; border-color: var(--ink); }
.nav .btn { padding: 10px 16px; }

/* Section label */
.label {
  display: flex; align-items: center; gap: 12px; margin: 0 0 28px;
  font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--muted);
}
.label::before { content: ""; width: 10px; height: 10px; background: var(--accent); }

h1, h2, h3, h4 { color: var(--ink); font-weight: 600; }
h1 { font-size: 64px; line-height: 1.04; letter-spacing: -2px; margin: 0 0 28px; }
h2 { font-size: 44px; line-height: 1.1; letter-spacing: -1.2px; margin: 0 0 20px; }

/* Hero */
.hero { padding: 88px 0 0; border-bottom: 1px solid var(--ink); }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; padding-bottom: 72px; }
.hero h1 .hl { box-shadow: inset 0 -0.18em 0 var(--accent); }
.lead { font-size: 20px; color: var(--muted); max-width: 580px; margin: 0 0 36px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }

.ledger { background: var(--white); border: 1px solid var(--ink); font-family: var(--mono); font-size: 13.5px; }
.ledger-head { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; background: var(--ink); color: #C9D1DE; font-size: 12px; letter-spacing: 0.6px; text-transform: uppercase; }
.ledger-head b { color: var(--accent); font-weight: 500; }
.ledger table { width: 100%; border-collapse: collapse; }
.ledger td, .ledger th { padding: 11px 16px; border-bottom: 1px solid var(--line); text-align: left; font-weight: 400; }
.ledger th { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.8px; }
.ledger td:last-child, .ledger th:last-child { text-align: right; }
.ledger tr.win td { background: #FFF1EA; color: var(--ink); font-weight: 600; }
.ledger tr.win td:first-child { box-shadow: inset 3px 0 0 var(--accent); }
.ledger-foot { display: flex; justify-content: space-between; padding: 11px 16px; color: var(--muted); font-size: 12px; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.fact { padding: 26px 24px 28px 0; border-right: 1px solid var(--line); }
.fact + .fact { padding-left: 24px; }
.fact:last-child { border-right: 0; }
.fact strong { display: block; font-family: var(--mono); font-weight: 500; font-size: 26px; color: var(--ink); letter-spacing: -0.5px; }
.fact span { color: var(--muted); font-size: 14px; }

/* Sections */
section { padding: 112px 0; }
.section-head { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; margin-bottom: 64px; align-items: end; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }

/* Formats */
.formats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.format { padding: 48px 48px 52px 0; }
.format + .format { padding: 48px 0 52px 48px; border-left: 1px solid var(--ink); }
.format .num { font-family: var(--mono); color: var(--accent); font-size: 14px; }
.format h3 { font-size: 36px; letter-spacing: -1px; margin: 6px 0 16px; }
.format p { color: var(--muted); margin: 0 0 28px; max-width: 480px; }
.format ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.format li { padding: 13px 0 13px 30px; border-bottom: 1px solid var(--line); position: relative; }
.format li::before { content: "+"; position: absolute; left: 4px; top: 12px; font-family: var(--mono); color: var(--accent); font-weight: 600; }

/* Dark band */
.dark { background: var(--ink); color: #C9D1DE; }
.dark h2, .dark h4 { color: var(--white); }
.dark .label { color: #8D99AD; }
.dark .section-head p { color: #A9B4C6; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.tick { padding: 28px 28px 0 0; position: relative; }
.tick::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; background: var(--accent); }
.tick .t { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.tick h4 { font-size: 21px; margin: 8px 0 10px; }
.tick p { margin: 0; color: #A9B4C6; font-size: 15.5px; }

/* Capabilities table */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.cap { padding: 32px 32px 36px 0; border-bottom: 1px solid var(--line); }
.cap:not(:nth-child(3n+1)) { padding-left: 32px; border-left: 1px solid var(--line); }
.cap .k { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.8px; }
.cap h4 { font-size: 21px; margin: 10px 0 10px; letter-spacing: -0.3px; }
.cap p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* Partners */
.white { background: var(--white); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--ink); }
.panel { padding: 40px 48px 8px 0; }
.panel + .panel { padding: 40px 0 8px 48px; border-left: 1px solid var(--line); }
.panel h3 { font-size: 28px; letter-spacing: -0.6px; margin: 0 0 6px; }
.panel .sub { color: var(--muted); margin: 0 0 24px; }
.panel dl { margin: 0; }
.panel dt { font-weight: 600; color: var(--ink); }
.panel dd { margin: 2px 0 18px; color: var(--muted); }
.protocols { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 28px; }
.protocols b { color: var(--ink); font-weight: 500; }

/* Contact */
.contact { padding: 96px 0; }
.contact-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; }
.contact p { color: var(--muted); font-size: 18px; margin: 0; max-width: 520px; }
.mail-block { border-top: 1px solid var(--ink); padding-top: 20px; }
.mail-block .k { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.mail { display: inline-block; margin-top: 8px; font-size: 30px; font-weight: 600; letter-spacing: -0.6px; color: var(--ink); }

/* Footer */
.site-footer { background: var(--ink); color: #8D99AD; font-size: 14px; padding: 40px 0; }
.site-footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: #C9D1DE; text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* Legal pages */
.legal { padding: 72px 0 112px; }
.legal .container { max-width: 860px; }
.legal h1 { font-size: 52px; letter-spacing: -1.5px; margin: 0 0 8px; }
.legal .updated { font-family: var(--mono); font-size: 13px; color: var(--muted); margin: 0 0 40px; }
.legal h2 { font-size: 24px; letter-spacing: -0.3px; margin: 48px 0 12px; padding-top: 20px; border-top: 1px solid var(--line); }
.legal h3 { font-size: 18px; margin: 24px 0 8px; }
.legal p, .legal li { color: #3A4454; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; background: var(--white); border: 1px solid var(--ink); }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { color: var(--white); background: var(--ink); font-weight: 500; }
.toc { padding: 20px 24px; border: 1px solid var(--ink); background: var(--white); margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; font-size: 15px; }
.toc li { margin: 3px 0; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 1000px) {
  .hero-grid, .section-head, .formats, .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .format, .format + .format, .panel, .panel + .panel { padding: 40px 0; border-left: 0; }
  .format + .format, .panel + .panel { border-top: 1px solid var(--line); }
  .format + .format { border-top-color: var(--ink); }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .caps { grid-template-columns: 1fr 1fr; }
  .cap, .cap:not(:nth-child(3n+1)) { padding: 28px 24px 30px 0; border-left: 0; }
  .cap:nth-child(2n) { padding-left: 24px; border-left: 1px solid var(--line); }
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3) { padding-left: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  h1 { font-size: 50px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .nav a:not(.btn) { display: none; }
  .hero { padding-top: 56px; }
  .hero-grid { padding-bottom: 48px; }
  h1 { font-size: 38px; letter-spacing: -1.2px; }
  h2 { font-size: 32px; }
  .lead { font-size: 18px; }
  section { padding: 72px 0; }
  .timeline, .caps { grid-template-columns: 1fr; }
  .cap:nth-child(2n) { padding-left: 0; border-left: 0; }
  .fact, .fact + .fact { padding: 20px 12px 22px 0; }
  .fact:nth-child(2n) { padding-left: 12px; }
  .fact strong { font-size: 20px; }
  .format h3 { font-size: 30px; }
  .mail { font-size: 22px; }
  .ledger td, .ledger th { padding: 10px 10px; }
  .toc ol { columns: 1; }
  .legal h1 { font-size: 36px; }
}