:root {
  --page: #f2efe7;
  --surface: #fbf9f3;
  --ink: #202522;
  --muted: #6f756e;
  --line: #c9c3b6;
  --accent: #d94f32;
  --dark: #17221f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--page); font: 16px/1.55 "IBM Plex Sans", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip { position: fixed; z-index: 5; top: 12px; left: 12px; padding: 10px 14px; color: var(--surface); background: var(--dark); transform: translateY(-150%); }
.skip:focus { transform: none; }
h1, h2, h3, .wordmark, .eyebrow, .stats strong, .command, .flow-item > span, .flow-item > b, .use-grid span, .resources span { font-family: "Space Grotesk", sans-serif; }
.site-header { height: 76px; padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 700; letter-spacing: .06em; }
.wordmark small { margin-left: 8px; color: var(--muted); font-size: 10px; font-weight: 500; }
.mark { display: grid; width: 28px; height: 28px; place-items: center; color: var(--surface); background: var(--accent); font-size: 17px; }
.site-header nav { display: flex; gap: 27px; color: var(--muted); font-size: 14px; }
.site-header nav a:hover, .header-link:hover { color: var(--accent); }
.header-link { color: var(--accent); font-size: 14px; font-weight: 600; }
.header-link span { margin-left: 8px; font-size: 18px; }
.hero { min-height: 650px; padding: 100px 8vw 80px; display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.eyebrow { margin: 0 0 22px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
h1 { max-width: 650px; margin: 0; font-size: clamp(54px, 7vw, 92px); line-height: .94; letter-spacing: -.075em; }
h1 em { color: var(--accent); font-style: normal; }
.intro { max-width: 470px; margin: 30px 0; color: #505851; font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { padding: 14px 18px; color: var(--surface); background: var(--dark); font-weight: 600; }
.button span { margin-left: 15px; color: var(--accent); }
.hero-note { color: var(--muted); font-size: 12px; line-height: 1.35; }
.pathway { max-width: 560px; justify-self: end; }
.pathway svg { width: 100%; overflow: visible; }
.ribbon { fill: none; stroke: var(--dark); stroke-width: 34; stroke-linecap: round; }
.ribbon-thin { fill: none; stroke: var(--line); stroke-width: 2; stroke-dasharray: 4 9; }
.packet { fill: var(--accent); stroke: var(--surface); stroke-width: 7; }
.packet-line { stroke: var(--surface); stroke-width: 2; }
.blocks rect { fill: var(--surface); stroke: var(--dark); stroke-width: 2; }
.nodes { fill: var(--muted); font: 700 11px "Space Grotesk", sans-serif; letter-spacing: .1em; }
.node-dot { fill: var(--accent); }
.diagram-caption { margin: -15px 0 0; color: var(--muted); font: 11px "Space Grotesk", sans-serif; letter-spacing: .1em; }
.section { padding: 115px 12vw; border-top: 1px solid var(--line); }
.section-heading h2 { margin: 0; font: 600 clamp(36px, 5vw, 62px)/.98 "Space Grotesk", sans-serif; letter-spacing: -.065em; }
.protocol { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.briefing { padding-top: 14px; }
.briefing > p { max-width: 520px; margin: 0 0 50px; font-size: 21px; }
.stats { display: flex; gap: 30px; border-top: 1px solid var(--line); padding-top: 18px; }
.stats div { flex: 1; }.stats strong { display: block; color: var(--accent); font-size: 38px; line-height: 1; }.stats span { display: block; margin-top: 9px; color: var(--muted); font-size: 12px; }
.flow-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; background: var(--surface); }
.flow-list { border-top: 1px solid var(--line); }.flow-item { width: 100%; padding: 26px 0; display: grid; grid-template-columns: 55px 1fr 25px; gap: 10px; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: transparent; }.flow-item > span, .flow-item > b { color: var(--accent); font-size: 14px; }.flow-item h3 { margin: 0; font-size: 21px; }.flow-item p { max-width: 530px; max-height: 0; margin: 0; overflow: hidden; color: var(--muted); transition: max-height .25s, margin-top .25s; }.flow-item.open p { max-height: 100px; margin-top: 10px; }.flow-item > b { text-align: right; font-size: 22px; }
.uses { background: var(--dark); color: var(--surface); }.uses .section-heading .eyebrow, .uses p { color: #aab1a9; }.use-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 70px; }.use-grid article { min-height: 230px; padding: 20px 0; border-top: 1px solid #50605a; }.use-grid span { color: var(--accent); font-size: 12px; }.use-grid h3 { margin: 55px 0 10px; font-size: 22px; }.use-grid p { margin: 0; font-size: 14px; }
.build-tools { max-width: 570px; margin: 55px 0 18px; border-bottom: 1px solid var(--ink); }.build-tools label { display: block; color: var(--muted); font: 11px "Space Grotesk", sans-serif; letter-spacing: .1em; }.build-tools label span { float: right; color: var(--accent); }.build-tools input { width: 100%; padding: 12px 0; border: 0; outline: 0; background: transparent; font-size: 18px; }.resources { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }.resources a { position: relative; min-height: 190px; padding: 20px; border: 1px solid var(--line); }.resources a:hover { border-color: var(--accent); }.resources span { color: var(--accent); font-size: 10px; letter-spacing: .1em; }.resources h3 { margin: 40px 0 8px; font-size: 20px; }.resources p { margin: 0; color: var(--muted); font-size: 13px; }.resources b { position: absolute; right: 18px; bottom: 16px; color: var(--accent); }.no-results { color: var(--muted); }.command { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 45px; padding: 22px; color: var(--surface); background: var(--dark); }.command div { display: grid; gap: 9px; }.command span { color: #aab1a9; font-size: 10px; letter-spacing: .1em; }.command code { font-size: 14px; }.command button { padding: 9px 12px; color: var(--surface); border: 1px solid #758079; background: transparent; font-size: 12px; }.command button:hover { border-color: var(--accent); color: var(--accent); }.command p { position: absolute; right: 22px; bottom: -25px; margin: 0; color: var(--accent); font-size: 12px; }
.notes { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; }.notes-list > div { padding: 19px 0; border-top: 1px solid var(--line); }.notes-list b { font: 700 12px "Space Grotesk", sans-serif; letter-spacing: .08em; }.notes-list p { max-width: 520px; margin: 9px 0 0; color: var(--muted); }
.footer { padding: 25px 5vw; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font: 11px "Space Grotesk", sans-serif; letter-spacing: .08em; }.footer a { color: var(--accent); }
@media (max-width: 800px) { .site-header { height: auto; padding: 18px; flex-wrap: wrap; gap: 16px; }.site-header nav { order: 3; width: 100%; justify-content: space-between; gap: 10px; }.header-link { margin-left: auto; }.hero, .protocol, .flow-section, .notes { grid-template-columns: 1fr; }.hero { padding: 70px 7vw; }.pathway { margin-top: 30px; }.section { padding: 75px 7vw; }.use-grid, .resources { grid-template-columns: repeat(2, 1fr); }.use-grid { margin-top: 45px; }.command { align-items: flex-start; flex-direction: column; }.command button { align-self: flex-start; } }
@media (max-width: 480px) { .wordmark small, .header-link { display: none; }.site-header nav { font-size: 12px; }.hero-actions { align-items: flex-start; flex-direction: column; }.stats { gap: 12px; }.stats strong { font-size: 30px; }.use-grid, .resources { grid-template-columns: 1fr; }.use-grid article { min-height: 170px; }.resources a { min-height: 150px; }.resources h3 { margin-top: 25px; }.command code { font-size: 11px; word-break: break-all; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }