:root {
  --bg: #0f2633;
  --panel: #153746;
  --violet: #f2b705;
  --violet-d: #d64541;
  --lilac: #dce6e8;
  --white: #fafafa;
  --ink: #1a1a1a;
  --line: rgba(220,230,232,.12);
  --line-strong: rgba(242,183,5,.2);
  --content-max: 1216px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--lilac); font-family: 'Archivo', system-ui, sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--lilac); text-decoration: none; }
a:hover { color: var(--violet); }
a:focus-visible { outline: 3px solid var(--violet-d); outline-offset: 3px; }

@keyframes kkBlink { 0%,49% { opacity: 1 } 50%,100% { opacity: 0 } }
@keyframes kkPulse { 0% { box-shadow: 0 0 0 0 rgba(242,183,5,.5) } 100% { box-shadow: 0 0 0 14px rgba(242,183,5,0) } }

.depth-bar { min-height: 42px; padding: 8px clamp(20px, 4vw, 48px); display: flex; justify-content: center; align-items: center; gap: clamp(12px, 2.4vw, 30px); border-bottom: 1px solid var(--line-strong); background: #091c26; font: 500 10px 'JetBrains Mono', monospace; letter-spacing: .08em; }
.depth-bar a { color: rgba(220,230,232,.48); }
.depth-bar a:hover { color: var(--lilac); }
.depth-bar a.active { color: var(--white); }
.depth-label { color: var(--violet); }

.section { max-width: var(--content-max); margin: 0 auto; padding: clamp(50px, 7vw, 80px) clamp(20px, 4vw, 32px); }
.section-label { margin: 0 0 clamp(24px, 4vw, 36px); color: var(--violet); font: 500 12px 'JetBrains Mono', monospace; letter-spacing: .14em; }
.mono-label { margin: 0 0 4px; color: var(--lilac); font: 500 11px 'JetBrains Mono', monospace; letter-spacing: .1em; }

.nav { max-width: var(--content-max); margin: 0 auto; padding: 20px clamp(20px, 4vw, 32px); display: flex; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid var(--line-strong); }
.wordmark { display: flex; align-items: center; gap: 10px; color: var(--white); }
.wordmark:hover { color: var(--white); }
.wordmark-mark { width: auto; height: 28px; display: block; }
.wordmark-name { font: 900 18px 'Archivo'; letter-spacing: -.02em; font-stretch: 125%; }
.wordmark-id { color: var(--violet); font: 500 11px 'JetBrains Mono'; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 26px); font: 500 11px 'JetBrains Mono'; letter-spacing: .07em; }
.btn-github { padding: 9px 18px; border-radius: 100px; color: var(--ink); background: var(--violet); }
.btn-github:hover { color: #fff; background: var(--violet-d); }

.hero { position: relative; max-width: var(--content-max); margin: 0 auto; padding: clamp(58px, 9vw, 94px) clamp(20px, 4vw, 32px) clamp(48px, 7vw, 74px); overflow: hidden; }
.hero-mesh { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; pointer-events: none; }
.hero-inner { position: relative; }
.eyebrow { margin: 0 0 20px; color: var(--violet); font: 500 13px 'JetBrains Mono'; letter-spacing: .14em; }
.hero-title { margin: 0; color: var(--white); font: 900 clamp(58px, 11vw, 128px)/.92 'Archivo'; font-stretch: 120%; letter-spacing: -.03em; text-transform: uppercase; cursor: default; }
.hero-title span[data-kk-line] { display: inline-block; }
.hero-sub { max-width: 690px; margin: 28px 0 0; color: rgba(220,230,232,.82); font: 400 clamp(16px, 2.2vw, 20px)/1.55 'Archivo'; }
.hero-cta { margin-top: 36px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn-solid { padding: 16px 30px; border-radius: 100px; color: var(--ink); background: var(--violet); font: 800 14px 'Archivo'; letter-spacing: .04em; text-transform: uppercase; }
.btn-solid:hover { color: var(--ink); background: #ffd866; }
.terminal { max-width: 100%; padding: 14px 20px; display: flex; align-items: center; gap: 10px; overflow: hidden; border: 1px solid rgba(220,230,232,.3); border-radius: 100px; font: 500 13px 'JetBrains Mono'; }
.terminal-prompt { color: var(--violet); }
.cursor { width: 8px; height: 16px; display: inline-block; flex: none; background: var(--lilac); animation: kkBlink 1.1s infinite; }
.hero-flags { margin-top: 44px; display: flex; flex-wrap: wrap; gap: clamp(14px, 3vw, 30px); color: rgba(220,230,232,.48); font: 500 11px 'JetBrains Mono'; }

.doctrine-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.doctrine-card { padding: clamp(28px, 4vw, 38px) clamp(24px, 3vw, 34px); border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.doctrine-num { color: var(--violet); font: 900 64px/1 'Archivo'; }
.doctrine-card h2 { margin: 16px 0 10px; color: var(--white); font: 800 clamp(20px, 2.4vw, 24px) 'Archivo'; text-transform: uppercase; }
.doctrine-card p { margin: 0; color: rgba(220,230,232,.72); font: 400 15px/1.65 'Archivo'; }
.card-link, .inline-link { margin-top: 22px; display: inline-block; color: var(--violet); font: 700 11px 'JetBrains Mono'; letter-spacing: .05em; }
.card-link:hover, .inline-link:hover { color: var(--lilac); }

.stack-section { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: clamp(40px, 7vw, 86px); }
.stack-copy h2 { max-width: 520px; margin: 0; color: var(--white); font: 850 clamp(34px, 5vw, 55px)/1.03 'Archivo'; letter-spacing: -.03em; text-transform: uppercase; }
.stack-copy > p:not(.section-label) { max-width: 520px; margin: 22px 0 0; color: rgba(220,230,232,.66); font: 400 15px/1.7 'Archivo'; }
.stack-diagram { padding: clamp(24px, 4vw, 38px); border: 1px solid var(--line-strong); border-radius: 20px; background: #102d3a; }
.stack-layer { min-height: 62px; padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; gap: 18px; border: 1px solid rgba(220,230,232,.18); border-radius: 10px; background: var(--panel); }
.stack-layer b, .stack-split span { color: var(--white); font: 700 12px 'JetBrains Mono'; }
.stack-layer span { color: rgba(220,230,232,.55); font: 400 11px 'JetBrains Mono'; text-align: right; }
.stack-diagram > i { height: 24px; display: grid; place-items: center; color: var(--violet); font-style: normal; }
.stack-split { display: grid; grid-template-columns: 1fr .72fr 1fr; gap: 7px; }
.stack-split span { min-height: 54px; padding: 8px; display: grid; place-items: center; border: 1px solid rgba(220,230,232,.18); border-radius: 9px; background: var(--panel); text-align: center; font-size: 9px; }
.layer-apps { background: #183d4e; }
.layer-crypto { border-color: var(--violet); background: rgba(242,183,5,.12); }

.transports { display: grid; grid-template-columns: 1fr 1.1fr; gap: 16px; align-items: start; }
.journey-panel { padding: 26px 24px 10px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.journey-canvas { width: 100%; height: 380px; display: block; }
.carriers { display: flex; flex-direction: column; gap: 10px; }
.carriers-label { margin: 8px 0 6px; }
.carrier { padding: 18px 22px; display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.carrier-name { color: var(--white); font: 800 16px 'Archivo'; text-transform: uppercase; }
.carrier-desc { color: rgba(220,230,232,.58); font: 400 13px 'Archivo'; }
.carrier-metric { flex: none; color: var(--violet); font: 500 10px 'JetBrains Mono'; white-space: nowrap; }

.limits-panel { padding: clamp(36px, 5vw, 56px) clamp(28px, 4vw, 48px); border-radius: 24px; color: var(--ink); background: var(--violet); }
.limits-title { margin: 0 0 12px; font: 900 clamp(38px, 6vw, 56px)/1 'Archivo'; font-stretch: 118%; letter-spacing: -.02em; text-transform: uppercase; }
.limits-intro { max-width: 720px; margin: 0 0 36px; color: rgba(20,18,31,.75); font: 400 16px/1.55 'Archivo'; }
.limits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.limits-col { padding-top: 18px; border-top: 4px solid var(--ink); }
.limits-col.cannot { border-top-color: var(--violet-d); }
.limits-head { margin-bottom: 14px; font: 800 13px 'JetBrains Mono'; letter-spacing: .08em; }
.limits-col.cannot .limits-head { color: var(--violet-d); }
.limits-col ul { margin: 0; padding: 0; list-style: none; font: 400 15px/1.9 'Archivo'; }
.limits-col li { position: relative; padding-left: 22px; }
.limits-col li::before { content: ''; position: absolute; left: 0; top: .85em; width: 12px; height: 2px; background: var(--ink); opacity: .55; }
.limits-col.cannot li::before { background: var(--violet-d); opacity: 1; }
.limits-link { margin-top: 32px; display: inline-block; color: var(--violet-d); font: 800 11px 'JetBrains Mono'; letter-spacing: .06em; }
.limits-link:hover { color: var(--ink); }

.status-cta { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(34px, 6vw, 70px); }
.timeline { display: flex; flex-direction: column; border-left: 2px solid rgba(220,230,232,.2); }
.tl-item { position: relative; padding: 10px 0 10px 20px; }
.tl-dot { position: absolute; border-radius: 50%; }
.tl-item.done .tl-dot { left: -6px; top: 16px; width: 10px; height: 10px; background: var(--violet); }
.tl-item.active .tl-dot { left: -6px; top: 16px; width: 10px; height: 10px; border: 2px solid var(--violet); animation: kkPulse 2s infinite; }
.tl-item.future .tl-dot { left: -5px; top: 18px; width: 8px; height: 8px; border: 1px solid rgba(220,230,232,.4); }
.tl-tag { color: var(--white); font: 700 13px 'JetBrains Mono'; }
.tl-text { color: rgba(220,230,232,.68); font: 400 14px/1.6 'Archivo'; }
.muted { color: rgba(220,230,232,.48); }
.cta { padding: clamp(26px, 4vw, 40px); display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.cta-kicker { margin: 0 0 15px; color: var(--violet); font: 600 11px 'JetBrains Mono'; letter-spacing: .12em; }
.cta h2 { margin: 0; color: var(--white); font: 850 clamp(28px, 4vw, 42px)/1.05 'Archivo'; text-transform: uppercase; }
.cta > p:not(.cta-kicker) { margin: 18px 0 24px; color: rgba(220,230,232,.65); font: 400 14px/1.65 'Archivo'; }
.btn-cta-primary, .btn-cta-secondary { padding: 17px 22px; display: block; border-radius: 100px; font: 700 13px 'Archivo'; text-align: center; }
.btn-cta-primary { color: var(--ink); background: var(--violet); }
.btn-cta-primary:hover { color: #fff; background: var(--violet-d); }
.btn-cta-secondary { margin-top: 10px; border: 1px solid rgba(220,230,232,.3); }

.site-footer { padding: clamp(48px, 7vw, 80px) clamp(20px, 6vw, 80px) 38px; border-top: 1px solid var(--line-strong); }
.footer-depth { max-width: var(--content-max); margin: 0 auto 50px; }
.footer-depth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.footer-depth-grid a { min-height: 150px; padding: 24px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.footer-depth-grid a.current { border-color: var(--violet); background: rgba(242,183,5,.08); }
.footer-depth-grid span { color: var(--violet); font: 700 11px 'JetBrains Mono'; }
.footer-depth-grid b { margin-top: 18px; color: var(--white); font: 800 19px 'Archivo'; text-transform: uppercase; }
.footer-depth-grid small { margin-top: 8px; color: rgba(220,230,232,.5); font: 400 12px/1.5 'Archivo'; }
.footer-meta { max-width: var(--content-max); margin: 0 auto; padding-top: 26px; display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); color: rgba(220,230,232,.42); font: 400 11px 'JetBrains Mono'; }
.footer-meta a { color: var(--violet); }

@media (max-width: 900px) {
  .stack-section, .transports, .limits-grid, .status-cta { grid-template-columns: 1fr; }
  .stack-copy { max-width: 620px; }
  .carrier { flex-wrap: wrap; gap: 6px; }
}

@media (max-width: 720px) {
  .depth-label { display: none; }
  .depth-bar { justify-content: space-between; gap: 8px; font-size: 8px; }
  .nav-links a:not(.btn-github) { display: none; }
  .doctrine-grid, .footer-depth-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(52px, 18vw, 82px); }
  .hero-sub { font-size: 16px; }
  .terminal { font-size: 10px; padding: 12px 14px; }
  .journey-canvas { height: 320px; }
  .stack-layer { align-items: flex-start; flex-direction: column; }
  .stack-layer span { text-align: left; }
  .footer-meta { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor, .tl-item.active .tl-dot { animation: none; }
}