:root {
  --ink: #101511;
  --paper: #f4f2eb;
  --paper-deep: #e9e5da;
  --line: #cbc8bd;
  --green: #b9f227;
  --coral: #ff6b4a;
  --blue: #3b65f2;
  --white: #fffef9;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 22px 36px;
}

.wordmark { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; }
.mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 4px; background: var(--ink); color: var(--green); font-family: "IBM Plex Mono", monospace; }
nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 600; }
nav a { text-decoration: none; }
.nav-console { border-bottom: 2px solid var(--ink); padding-bottom: 3px; }

.hero {
  min-height: 92svh;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
  position: relative;
  padding: 112px max(36px, calc((100vw - 1368px) / 2)) 76px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(rgba(16, 21, 17, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 21, 17, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
}

.hero::before { content: ""; position: absolute; width: 34vw; height: 10px; left: 0; top: 0; background: var(--coral); }
.hero-copy { position: relative; z-index: 1; animation: reveal 600ms ease-out both; }
.eyebrow { margin: 0 0 18px; font-family: "IBM Plex Mono", monospace; font-size: 12px; font-weight: 500; text-transform: uppercase; }
.pulse { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(185, 242, 39, 0.24); }
h1 { margin: 0; font-size: clamp(70px, 10vw, 148px); line-height: 0.86; letter-spacing: 0; }
.lede { max-width: 630px; margin: 30px 0 32px; font-size: clamp(20px, 2vw, 30px); line-height: 1.32; font-weight: 500; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 19px; border: 1px solid var(--ink); border-radius: 5px; font-size: 14px; font-weight: 700; text-decoration: none; }
.button.primary { background: var(--ink); color: var(--white); }
.button.primary:hover { background: var(--blue); }
.button.secondary { background: rgba(244, 242, 235, 0.7); }
.button.secondary:hover { background: var(--white); }

.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 45px 0 0; border-top: 1px solid var(--ink); }
.hero-facts div { padding: 13px 14px 0 0; }
.hero-facts dt { font-family: "IBM Plex Mono", monospace; font-size: 10px; text-transform: uppercase; color: #5c625d; }
.hero-facts dd { margin: 6px 0 0; font-size: 13px; font-weight: 600; }

.topology { position: relative; z-index: 1; width: 100%; border: 1px solid var(--ink); border-radius: 6px; background: var(--ink); color: var(--white); box-shadow: 16px 16px 0 var(--green); animation: reveal 650ms 120ms ease-out both; }
.topology-head { display: flex; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid #414942; font: 500 10px "IBM Plex Mono", monospace; }
.topology-status { color: var(--green); }
.flow-stage { display: grid; grid-template-columns: 1fr 100px 1.2fr; align-items: center; min-height: 330px; padding: 26px; }
.flow-column { display: grid; gap: 13px; }
.flow-label { color: #8d978f; font: 10px "IBM Plex Mono", monospace; }
.node { min-height: 54px; display: flex; align-items: center; padding: 10px 14px; border: 1px solid #59625a; border-radius: 4px; font: 500 13px "IBM Plex Mono", monospace; background: #1a211b; }
.node.api { border-color: var(--green); color: var(--green); }
.node.console { border-color: var(--coral); color: #ffb09d; }
.node small { margin-right: 2px; color: #89928b; font: inherit; }
.flow-lines { display: grid; gap: 56px; padding: 28px 0 0; }
.flow-lines i { height: 1px; position: relative; background: #626b63; }
.flow-lines i::after { content: ""; position: absolute; right: -1px; top: -3px; width: 7px; height: 7px; border-top: 1px solid #8f9991; border-right: 1px solid #8f9991; transform: rotate(45deg); }
.storage-strip { display: flex; align-items: center; gap: 9px; padding: 14px 16px; border-top: 1px solid #414942; overflow: hidden; font: 10px "IBM Plex Mono", monospace; }
.storage-strip span { margin-right: auto; color: #8d978f; }
.storage-strip b { padding: 5px 7px; border-radius: 3px; background: #303831; color: #cbd3cc; font-weight: 400; }
.scroll-cue { position: absolute; left: max(36px, calc((100vw - 1368px) / 2)); bottom: 22px; display: flex; gap: 12px; font: 11px "IBM Plex Mono", monospace; text-decoration: none; text-transform: uppercase; }
.scroll-cue span { color: var(--blue); }

.architecture { padding: 110px max(36px, calc((100vw - 1200px) / 2)); background: var(--white); }
.section-heading { display: grid; grid-template-columns: 0.65fr 1.3fr 1fr; gap: 42px; align-items: start; }
.section-heading h2, .quickstart h2, .endcap h2 { margin: 0; font-size: clamp(34px, 4.5vw, 64px); line-height: 1.03; letter-spacing: 0; }
.section-heading > p:last-child { margin: 4px 0 0; color: #555c56; font-size: 17px; line-height: 1.7; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 78px; border-top: 1px solid var(--ink); }
.principles article { padding: 22px 28px 20px 0; border-right: 1px solid var(--line); }
.principles article + article { padding-left: 28px; }
.principles article:last-child { border-right: 0; }
.index { color: var(--blue); font: 12px "IBM Plex Mono", monospace; }
.principles h3 { margin: 40px 0 12px; font-size: 20px; }
.principles p { margin: 0; color: #5c625d; line-height: 1.65; }

.quickstart { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px; align-items: center; padding: 110px max(36px, calc((100vw - 1200px) / 2)); background: var(--paper-deep); }
.quickstart-copy > p:not(.eyebrow) { color: #555c56; line-height: 1.7; }
.text-link { display: inline-block; margin-top: 18px; font-weight: 700; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.terminal { min-width: 0; border: 1px solid var(--ink); border-radius: 6px; background: #111612; color: #e8ede9; box-shadow: 12px 12px 0 var(--coral); }
.terminal-bar { display: flex; align-items: center; gap: 7px; height: 42px; padding: 0 15px; border-bottom: 1px solid #3d463f; }
.terminal-bar span { width: 8px; height: 8px; border-radius: 50%; background: #657067; }
.terminal-bar span:first-child { background: var(--coral); }
.terminal-bar span:nth-child(2) { background: #f2d644; }
.terminal-bar span:nth-child(3) { background: var(--green); }
.terminal-bar b { margin-left: auto; color: #8d978f; font: 10px "IBM Plex Mono", monospace; }
pre { margin: 0; padding: 30px; overflow-x: auto; font: 13px/1.9 "IBM Plex Mono", monospace; }
.prompt { color: var(--green); }
.muted { color: #829087; }

.endcap { display: flex; justify-content: space-between; gap: 60px; align-items: end; padding: 90px max(36px, calc((100vw - 1200px) / 2)); background: var(--blue); color: var(--white); }
.endcap h2 { max-width: 760px; }
.endcap-links { display: grid; min-width: 210px; }
.endcap-links a { display: flex; justify-content: space-between; gap: 30px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.45); text-decoration: none; font-weight: 600; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 22px max(36px, calc((100vw - 1200px) / 2)); background: var(--ink); color: #adb5ae; font: 10px "IBM Plex Mono", monospace; text-transform: uppercase; }

@keyframes reveal { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .hero-copy, .topology { animation: none; } }

@media (max-width: 900px) {
  .site-header { padding: 18px 22px; }
  nav a:not(.nav-console) { display: none; }
  .hero { grid-template-columns: 1fr; align-content: start; gap: 52px; padding: 112px 22px 82px; }
  .hero::before { width: 55vw; }
  h1 { font-size: clamp(68px, 23vw, 118px); }
  .topology { max-width: 680px; box-shadow: 9px 9px 0 var(--green); }
  .scroll-cue { display: none; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .architecture, .quickstart, .endcap { padding: 76px 22px; }
  .quickstart { grid-template-columns: 1fr; gap: 45px; }
}

@media (max-width: 580px) {
  .site-header nav { gap: 12px; }
  .nav-console { font-size: 12px; }
  .hero { min-height: auto; gap: 28px; padding-top: 94px; padding-bottom: 38px; }
  .lede { margin: 20px 0 22px; font-size: 18px; }
  .hero-facts { grid-template-columns: repeat(3, 1fr); margin-top: 28px; }
  .hero-facts div { padding-top: 9px; }
  .hero-facts dd { font-size: 10px; line-height: 1.35; }
  .flow-stage { grid-template-columns: 1fr; min-height: 150px; gap: 12px; padding: 18px; }
  .flow-column.clients { display: none; }
  .flow-lines { display: none; }
  .node { min-height: 44px; }
  .storage-strip b:nth-last-child(-n+2) { display: none; }
  .principles { grid-template-columns: 1fr; margin-top: 52px; }
  .principles article, .principles article + article { padding: 22px 0 30px; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles h3 { margin-top: 22px; }
  .terminal { box-shadow: 7px 7px 0 var(--coral); }
  pre { padding: 22px 18px; font-size: 11px; }
  .endcap { align-items: start; flex-direction: column; }
  .endcap-links { width: 100%; }
  footer { flex-direction: column; }
}