:root {
  --ink: #0b0e0d;
  --paper: #ecebe5;
  --muted: #aeb4ad;
  --line: rgba(236, 235, 229, 0.18);
  --signal: #c8ff32;
  --heat: #f05b43;
  --display: "Bahnschrift", "Arial Narrow", sans-serif;
  --body: "Aptos", "Segoe UI", sans-serif;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  overflow-x: clip;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  line-height: 1.5;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(20px, 3vw, 52px);
  border-bottom: 1px solid transparent;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.site-header.scrolled { background: rgba(11, 14, 13, 0.95); border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; font-family: var(--display); font-weight: 700; text-transform: uppercase; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--signal); color: var(--ink); border: 1px solid var(--paper); transform: rotate(45deg); font-size: 12px; }
.brand-mark span { transform: rotate(-45deg); }

nav { display: flex; gap: 30px; font-size: 13px; color: var(--muted); }
nav a:hover, nav a:focus-visible { color: var(--signal); }
.build-status { justify-self: end; color: var(--signal); font-family: var(--display); font-size: 12px; font-weight: 700; text-transform: uppercase; }

.hero { position: relative; min-height: min(860px, 88vh); overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); }
.hero-image, .hero-overlay, .hero-grid { position: absolute; inset: 0; }
.hero-image { z-index: -3; background: url("assets/state-of-six-hero.png") center / cover no-repeat; filter: saturate(0.78) contrast(1.06); animation: settle 16s ease-out both; }
.hero-overlay { z-index: -2; background: rgba(3, 7, 6, 0.58); }
.hero-grid { z-index: -1; opacity: 0.2; background-size: 25% 100%; background-image: linear-gradient(to right, transparent calc(100% - 1px), rgba(255,255,255,0.35) 100%); }

.hero-content { width: min(var(--max), 100%); min-height: min(860px, 88vh); margin: 0 auto; padding: 150px clamp(20px, 5vw, 80px) 150px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.eyebrow { margin: 0 0 20px; color: var(--signal); font-family: var(--display); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: var(--display); font-size: clamp(72px, 10.5vw, 162px); font-weight: 800; line-height: 0.79; text-transform: uppercase; }
.hero-copy { width: min(580px, 100%); margin: 32px 0 0; font-size: clamp(20px, 2vw, 28px); line-height: 1.25; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 0 20px; border: 1px solid var(--line); border-radius: 2px; font-family: var(--display); font-size: 14px; font-weight: 700; }
.button.primary { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.button:hover, .button:focus-visible { border-color: var(--paper); }
.button.primary:hover, .button.primary:focus-visible { background: var(--paper); }

.signal-strip { position: absolute; inset: auto 0 0; min-height: 58px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 20px; padding: 10px clamp(20px, 5vw, 80px); background: var(--ink); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.signal-strip b { color: var(--signal); margin-right: 10px; }

.section { width: 100%; max-width: var(--max); margin: 0 auto; padding: 108px clamp(20px, 5vw, 80px); border-bottom: 1px solid var(--line); }
.section-index { margin: 0 0 70px; color: var(--muted); font-family: var(--display); font-size: 12px; text-transform: uppercase; }
h2, h3 { font-family: var(--display); text-transform: uppercase; }
h2 { max-width: 980px; margin: 0; font-size: clamp(42px, 6vw, 88px); font-weight: 650; line-height: 0.98; }
.lead { max-width: 800px; margin: 34px 0 0; color: var(--muted); font-size: 21px; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 80px; background: var(--line); border: 1px solid var(--line); }
.principles div { min-height: 170px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; background: var(--ink); }
.principles b { color: var(--signal); font-family: var(--display); font-size: 26px; }
.principles span { max-width: 250px; color: var(--muted); }

.product-lines { margin-top: 72px; border-top: 1px solid var(--line); }
.product-lines article { min-height: 148px; display: grid; grid-template-columns: 70px minmax(250px, 0.8fr) 1.2fr; align-items: center; gap: 32px; padding: 26px 20px; border-bottom: 1px solid var(--line); }
.product-lines article.active { border-left: 4px solid var(--heat); }
.product-lines article > span { color: var(--signal); font-family: var(--display); font-size: 13px; }
.product-lines small { color: var(--muted); font-family: var(--display); font-weight: 700; text-transform: uppercase; }
.product-lines h3 { margin: 4px 0 0; font-size: 36px; }
.product-lines p { max-width: 520px; color: var(--muted); }

.standards { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 70px; }
.standards .section-index { grid-column: 1 / -1; }
.standards h2 { font-size: clamp(42px, 5vw, 72px); }
.source-links { border-top: 1px solid var(--line); }
.source-links a { display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.source-links a:hover, .source-links a:focus-visible { color: var(--signal); }

footer { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 44px; padding: 70px clamp(20px, 5vw, 80px) 46px; }
.operator { justify-self: end; text-align: right; color: var(--muted); }
.operator p { margin: 0 0 6px; }
.disclaimer, .privacy-note { grid-column: 1 / -1; max-width: 900px; margin: 0; color: var(--muted); font-size: 13px; }
.privacy-note { color: var(--paper); }
.copyright { grid-column: 1 / -1; margin: 0; padding-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

@keyframes settle { from { transform: scale(1.04); } to { transform: scale(1); } }

@media (max-width: 840px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero, .hero-content { min-height: 810px; }
  .hero-content { padding-top: 120px; }
  .signal-strip { grid-template-columns: 1fr; }
  .signal-strip span { display: none; }
  .section { padding-top: 80px; padding-bottom: 80px; }
  .section-index { margin-bottom: 48px; }
  .principles { grid-template-columns: 1fr; }
  .principles div { min-height: 135px; }
  .product-lines article { grid-template-columns: 42px 1fr; gap: 20px; padding-left: 0; padding-right: 0; }
  .product-lines article p { grid-column: 2; margin-top: 0; }
  .standards { grid-template-columns: 1fr; gap: 46px; }
  footer { grid-template-columns: 1fr; }
  .operator { justify-self: start; text-align: left; }
}

@media (max-width: 520px) {
  .site-header { height: 64px; }
  .build-status { display: none; }
  .hero, .hero-content { min-height: 760px; }
  .hero-content { padding-bottom: 120px; }
  .hero h1 { font-size: 70px; }
  .hero-copy { max-width: 320px; font-size: 18px; overflow-wrap: anywhere; }
  .hero-actions, .hero-actions .button { width: 100%; }
  h2 { font-size: 42px; overflow-wrap: anywhere; }
  .lead { font-size: 18px; }
  .product-lines h3 { font-size: 31px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}