:root {
  --ink: #e9f6f1;
  --muted: #9bb2aa;
  --dim: #688078;
  --paper: #081411;
  --paper-2: #0c1d18;
  --paper-3: #112720;
  --line: rgba(166, 211, 197, 0.16);
  --line-strong: rgba(166, 211, 197, 0.28);
  --kaspa: #70e1c2;
  --kaspa-bright: #9cf5dc;
  --kaspa-dark: #133d32;
  --orange: #ff9f68;
  --red: #f47d79;
  --max: 1240px;
  --radius: 18px;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(112, 225, 194, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(112, 225, 194, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img, svg { display: block; }

::selection { background: var(--kaspa); color: #04100c; }

:focus-visible { outline: 2px solid var(--kaspa); outline-offset: 3px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 1000;
  border-radius: 8px;
  background: var(--kaspa);
  color: #04100c;
  padding: .7rem 1rem;
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 76px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid transparent;
  transition: background .25s, border .25s, height .25s;
}

.site-header.scrolled {
  height: 66px;
  border-color: var(--line);
  background: rgba(8, 20, 17, .9);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-size: 1.02rem; font-weight: 550; letter-spacing: -.02em; }
.brand strong { color: var(--kaspa); font-weight: 850; }
.brand img { width: 50px; height: 50px; margin: -6px; filter: drop-shadow(0 0 16px rgba(112,225,194,.16)); }

.desktop-nav { display: flex; align-items: center; gap: 2.2rem; }
.desktop-nav a { color: var(--muted); font-size: .86rem; font-weight: 700; transition: color .2s; }
.desktop-nav a:hover { color: var(--ink); }
.desktop-nav .nav-app { display: inline-flex; align-items: center; gap: 6px; color: var(--kaspa); }
.nav-app small { border-radius: 999px; background: rgba(112,225,194,.13); padding: 1px 6px; font-size: .47rem; letter-spacing: .07em; text-transform: uppercase; }

.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 10px; }
.search-trigger { display: flex; align-items: center; gap: 8px; border: 0; background: none; color: var(--muted); padding: 8px; cursor: pointer; }
.search-trigger:hover { color: var(--ink); }
.search-trigger svg, .glossary-search svg, .search-box svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.search-trigger kbd { border: 1px solid var(--line-strong); border-radius: 5px; padding: 0 6px; color: var(--dim); font-family: inherit; font-size: .72rem; }
.menu-button { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
.menu-button span { display: block; width: 16px; height: 1px; margin: 4px auto; background: currentColor; }
.mobile-nav { display: none; }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 24px;
  font-size: .86rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s, background .2s, border .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--kaspa); color: #06130f; box-shadow: 0 12px 35px rgba(112,225,194,.14); }
.button-primary:hover { background: var(--kaspa-bright); }
.button-ghost { border-color: var(--line); background: rgba(255,255,255,.025); }
.button-ghost:hover, .button-outline:hover { border-color: var(--kaspa); }
.button-outline { border-color: var(--line-strong); background: transparent; }
.button-small { min-height: 38px; padding: 0 16px; font-size: .76rem; }
.play-icon { display: grid; width: 25px; height: 25px; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--kaspa); font-size: .55rem; }

.section { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.eyebrow { margin: 0 0 1rem; color: var(--kaspa); font-size: .68rem; font-weight: 900; letter-spacing: .16em; line-height: 1.4; text-transform: uppercase; }
.live-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--kaspa); box-shadow: 0 0 0 5px rgba(112,225,194,.08); animation: breathe 2s ease infinite; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
  min-height: 830px;
  align-items: center;
  gap: 4rem;
  padding-top: 110px;
}
.hero-glow { position: absolute; left: -26vw; top: -20vw; width: 58vw; height: 58vw; border-radius: 50%; background: radial-gradient(circle, rgba(112,225,194,.11), transparent 62%); filter: blur(15px); pointer-events: none; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 4rem; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; }
h1 { max-width: 720px; margin: 0 0 1.8rem; font-size: clamp(3.4rem, 6vw, 6.15rem); letter-spacing: -.07em; font-weight: 760; }
h1 em, h2 em { color: var(--kaspa); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-lede { max-width: 590px; margin-bottom: 2rem; color: var(--muted); font-size: 1.13rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-proof { display: flex; gap: 1.6rem; margin-top: 3.2rem; color: var(--dim); font-size: .74rem; }
.hero-proof span + span { padding-left: 1.6rem; border-left: 1px solid var(--line); }
.hero-proof strong { margin-right: 5px; color: var(--ink); font-size: .92rem; }

.dag-stage { position: relative; }
.dag-card { position: relative; width: 100%; aspect-ratio: 1.22; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 26px; background: linear-gradient(145deg, rgba(21,54,44,.58), rgba(6,16,13,.9)); box-shadow: 0 50px 100px rgba(0,0,0,.28), inset 0 1px rgba(255,255,255,.04); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); }
.dag-card::before { position: absolute; inset: 0; background-image: radial-gradient(rgba(112,225,194,.18) 1px, transparent 1px); background-size: 18px 18px; mask-image: linear-gradient(to bottom, black, transparent 88%); content: ""; opacity: .35; }
.dag-card-header { position: absolute; z-index: 4; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; padding: 20px 22px; border-bottom: 1px solid var(--line); color: var(--dim); font-size: .6rem; font-weight: 900; letter-spacing: .13em; }
.network-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); letter-spacing: .04em; text-transform: none; }
.network-badge i { width: 5px; height: 5px; border-radius: 50%; background: var(--kaspa); }
.live-dag { position: absolute; inset: 52px 10px 48px; }
.live-dag svg { width: 100%; height: 100%; display: block; }
.live-dag-status { margin: 28% 24px 0; color: var(--dim); text-align: center; font-size: .78rem; }
.live-dag-edge { fill: none; stroke: rgba(112,225,194,.22); stroke-width: 1.4; }
.live-dag-edge.sel { stroke: rgba(112,225,194,.55); stroke-width: 2; }
.live-dag-node { cursor: pointer; }
.live-dag-node circle { stroke-width: 1.5; }
.live-dag-node.blue circle { fill: #102c24; stroke: rgba(112,225,194,.75); }
.live-dag-node.red circle { fill: #28201d; stroke: rgba(244,125,121,.55); }
.live-dag-node.gray circle { fill: #1a201c; stroke: rgba(160,170,164,.4); }
.live-dag-node.vspc circle { stroke: var(--kaspa-bright); stroke-width: 2.2; }
.live-dag-node.newest circle { fill: var(--kaspa); stroke: var(--kaspa-bright); }
.live-dag-node text { fill: var(--dim); font-size: 8px; text-anchor: middle; pointer-events: none; }
.live-dag-node.newest text { fill: #071510; }
.dag-kgi-link { margin-left: auto; color: var(--kaspa); text-decoration: none; font-size: .62rem; }
.dag-lines { position: absolute; inset: 12% 3% 12%; width: 94%; height: 76%; }
.dag-edges path { fill: none; stroke: url(#edge); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 5 5; animation: dash 20s linear infinite; }
.dag-node { position: absolute; z-index: 2; display: grid; width: 52px; height: 52px; place-items: center; border: 1px solid rgba(112,225,194,.6); border-radius: 12px; background: #102c24; box-shadow: 0 9px 24px rgba(0,0,0,.35), inset 0 0 16px rgba(112,225,194,.08); color: var(--kaspa); transform: translate(-50%,-50%); }
.dag-node b { position: relative; top: -4px; font-size: 1.05rem; }
.dag-node small { position: absolute; bottom: 3px; color: var(--dim); font-size: .48rem; }
.dag-node.alt { border-color: rgba(244,125,121,.42); background: #28201d; color: var(--red); opacity: .76; }
.dag-node.active { border-color: var(--kaspa-bright); background: var(--kaspa); color: #071510; box-shadow: 0 0 0 7px rgba(112,225,194,.08), 0 0 35px rgba(112,225,194,.28); animation: active-node 2.2s ease infinite; }
.node-1 { left: 11.5%; top: 48%; }.node-2 { left: 27.6%; top: 29%; }.node-3 { left: 27.6%; top: 48%; }.node-4 { left: 27.6%; top: 67%; }.node-5 { left: 45.2%; top: 22%; }.node-6 { left: 45.2%; top: 41%; }.node-7 { left: 45.2%; top: 60%; }.node-8 { left: 45.2%; top: 76%; }.node-9 { left: 63%; top: 32%; }.node-10 { left: 63%; top: 52%; }.node-11 { left: 81%; top: 43%; }
.block-pulse { position: absolute; z-index: 1; width: 8px; height: 8px; border-radius: 50%; background: var(--kaspa); box-shadow: 0 0 12px var(--kaspa); animation: travel 4s linear infinite; }
.pulse-a { left: 11%; top: 46%; }.pulse-b { left: 28%; top: 27%; animation-delay: 1.7s; }
.dag-caption { position: absolute; z-index: 5; left: 22px; right: 22px; bottom: 18px; display: flex; gap: 16px; align-items: center; color: var(--dim); font-size: .59rem; }
.dag-caption span { display: flex; align-items: center; gap: 5px; }
.dag-caption i { width: 6px; height: 6px; border-radius: 50%; }.dag-caption .blue { background: var(--kaspa); }.dag-caption .red { background: var(--red); }.dag-caption .gray { background: #8a938e; }
.dag-caption button { margin-left: auto; border: 0; background: none; color: var(--kaspa); font-size: .62rem; cursor: pointer; }
.stage-note { margin: 1.4rem 0 0 2rem; color: var(--dim); font-family: Georgia, serif; font-size: .85rem; font-style: italic; }
.stage-note span { color: var(--kaspa); }

.ticker { display: grid; grid-template-columns: 1.2fr repeat(5, 1fr) 1.25fr; width: 100%; min-height: 84px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #091713; }
.ticker > * { display: flex; min-width: 0; align-items: center; justify-content: center; border-right: 1px solid var(--line); }
.ticker-label { color: var(--muted); font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.ticker-stat { flex-direction: column; align-items: flex-start; padding-left: 1.7vw; }
.ticker-stat span { color: var(--dim); font-size: .58rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.ticker-stat strong { overflow: hidden; max-width: 100%; margin-top: 2px; font-size: .86rem; text-overflow: ellipsis; white-space: nowrap; }
.ticker-source { border: 0; padding: 0 1rem; color: var(--dim); font-size: .58rem; text-align: center; }
.ticker-source.error { color: var(--orange); }

.intro, .paths-section, .tools-section, .resources-section, .glossary-section { padding: 140px 0; }
.section-heading h2 { margin: 0; font-size: clamp(2.8rem, 5vw, 5.6rem); letter-spacing: -.065em; }
.split-heading { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 5rem; }
.split-heading > p { max-width: 460px; margin-bottom: .5rem; color: var(--muted); font-size: 1rem; }
.split-heading.compact h2 { font-size: clamp(2.7rem, 4.5vw, 4.7rem); }
.compare-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 70px; }
.compare-card { min-height: 470px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.018); }
.compare-topline { display: flex; justify-content: space-between; color: var(--muted); font-size: .67rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.compare-topline small { color: var(--dim); font-weight: 650; text-transform: none; letter-spacing: 0; }
.chain-demo, .mini-dag { position: relative; display: flex; height: 230px; align-items: center; justify-content: center; }
.chain-demo > span:not(.orphan) { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--paper-2); color: var(--muted); }
.chain-demo > i { width: 55px; height: 1px; background: var(--line-strong); }
.chain-demo .orphan { position: absolute; top: 57px; left: 59%; display: grid; place-items: center; width: 45px; height: 45px; border: 1px dashed rgba(244,125,121,.45); border-radius: 8px; color: var(--red); transform: rotate(10deg); }
.chain-demo .orphan small { position: absolute; top: -20px; color: var(--dim); font-size: .52rem; }
.compare-card h3 { margin: 0 0 .8rem; font-size: 1.6rem; letter-spacing: -.035em; }
.compare-card > p { max-width: 560px; color: var(--muted); font-size: .9rem; }
.dag-compare-card { border-color: rgba(112,225,194,.26); background: linear-gradient(145deg, rgba(112,225,194,.055), transparent); }
.mini-dag svg { position: absolute; width: 82%; }
.mini-dag svg path { fill: none; stroke: rgba(112,225,194,.4); stroke-dasharray: 4 4; }
.mini-dag span { position: absolute; left: var(--x); top: var(--y); display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid rgba(112,225,194,.5); border-radius: 7px; background: var(--paper-3); color: var(--kaspa); font-size: .7rem; box-shadow: 0 6px 12px rgba(0,0,0,.2); }
.plain-english { display: grid; grid-template-columns: 85px 1fr auto; align-items: center; gap: 30px; margin-top: 18px; padding: 25px 28px; border: 1px solid var(--line); border-radius: var(--radius); }
.plain-english .number { color: var(--dim); font-family: Georgia, serif; font-size: 2.8rem; font-style: italic; }
.plain-english small { color: var(--kaspa); font-size: .62rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.plain-english p { margin: 3px 0 0; font-size: .9rem; }
.circle-button { width: 46px; height: 46px; border: 1px solid var(--line-strong); border-radius: 50%; background: transparent; color: var(--kaspa); cursor: pointer; transition: transform .2s, background .2s; }
.circle-button:hover { transform: rotate(45deg); background: var(--kaspa-dark); }

.paths-section { width: 100%; max-width: none; background: #0b1915; }
.paths-section > * { width: min(var(--max), calc(100% - 48px)); margin-left: auto; margin-right: auto; }
.center-heading { text-align: center; }
.center-heading h2 { font-size: clamp(3rem, 5vw, 5.1rem); }
.center-heading > p:last-child { margin: 1rem auto 0; color: var(--muted); }
.path-tabs { display: flex; justify-content: center; gap: 7px; margin-top: 50px; }
.path-tabs button { min-height: 42px; padding: 0 18px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font-size: .73rem; font-weight: 750; cursor: pointer; }
.path-tabs button.active { border-color: var(--kaspa); background: var(--kaspa); color: #07130f; }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 35px; }
.course-card { position: relative; min-height: 330px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #0e211b; cursor: pointer; transition: transform .25s, border-color .25s, background .25s; }
.course-card:hover { transform: translateY(-5px); border-color: rgba(112,225,194,.45); background: #112a22; }
.course-card.complete { border-color: rgba(112,225,194,.38); }
.course-card-top { display: flex; justify-content: space-between; align-items: center; }
.course-number { color: var(--dim); font-family: Georgia, serif; font-size: 1.5rem; font-style: italic; }
.course-state { display: grid; width: 24px; height: 24px; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: transparent; font-size: .65rem; }
.complete .course-state { border-color: var(--kaspa); background: var(--kaspa); color: #07130f; }
.course-tag { display: inline-block; margin-top: 50px; color: var(--kaspa); font-size: .59rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.course-card h3 { margin: 9px 0 10px; font-size: 1.55rem; letter-spacing: -.04em; }
.course-card p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.6; }
.course-meta { position: absolute; left: 26px; right: 26px; bottom: 24px; display: flex; justify-content: space-between; color: var(--dim); font-size: .63rem; }
.progress-note { display: flex; align-items: center; gap: 13px; margin-top: 20px; padding: 16px 20px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); }
.progress-icon { display: grid; width: 31px; height: 31px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--kaspa-dark); color: var(--kaspa); }
.progress-note div:nth-child(2) { display: flex; flex-direction: column; font-size: .72rem; }
.progress-note strong { color: var(--ink); }
.progress-note button { margin-left: auto; border: 0; background: none; color: var(--dim); font-size: .67rem; cursor: pointer; text-decoration: underline; }

.fact-section { position: relative; display: grid; grid-template-columns: .8fr 1.2fr .7fr; min-height: 520px; align-items: center; gap: 5rem; overflow: hidden; }
.fact-section::before, .fact-section::after { position: absolute; left: -20vw; right: -20vw; height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong), transparent); content: ""; }.fact-section::before { top: 0; }.fact-section::after { bottom: 0; }
.fact-number { display: flex; align-items: flex-end; }
.fact-number > span { color: var(--kaspa); font-family: Georgia, serif; font-size: clamp(9rem, 19vw, 17rem); font-style: italic; line-height: .7; letter-spacing: -.09em; text-shadow: 0 0 60px rgba(112,225,194,.1); }
.fact-number small { margin-left: 10px; color: var(--dim); font-size: .66rem; font-weight: 800; letter-spacing: .08em; line-height: 1.3; text-transform: uppercase; }
.fact-copy h2 { margin: 0 0 1.2rem; font-size: clamp(2.5rem, 4.3vw, 4.5rem); letter-spacing: -.06em; }
.fact-copy > p:not(.eyebrow) { max-width: 610px; color: var(--muted); }
.fact-copy a { color: var(--kaspa); font-size: .75rem; font-weight: 800; }
.fact-copy a span { margin-left: 7px; }
.fact-orbit { position: relative; width: 220px; height: 220px; border: 1px solid var(--line); border-radius: 50%; }
.fact-orbit::before { position: absolute; inset: 28px; border: 1px dashed var(--line-strong); border-radius: 50%; content: ""; animation: spin 15s linear infinite; }
.fact-orbit span { position: absolute; left: 50%; top: 50%; display: grid; width: 68px; height: 68px; place-items: center; border-radius: 18px; background: var(--kaspa); color: #07130f; font-size: 1.8rem; font-weight: 900; transform: translate(-50%,-50%) rotate(-8deg); }
.fact-orbit i { position: absolute; display: block; width: 10px; height: 10px; border-radius: 50%; background: var(--kaspa); }.fact-orbit i:nth-of-type(1){left: 16px;top: 94px}.fact-orbit i:nth-of-type(2){right: 30px;top: 35px}.fact-orbit i:nth-of-type(3){right: 27px;bottom: 35px}

.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 60px; }
.tool-card { position: relative; min-height: 440px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.018); }
.tool-icon { position: absolute; right: 26px; top: 24px; display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--kaspa); }
.tool-card h3 { margin-bottom: .8rem; font-size: 1.8rem; letter-spacing: -.04em; }
.tool-card > p:not(.eyebrow):not(.field-error) { min-height: 74px; color: var(--muted); font-size: .82rem; }
.tool-card label { display: block; margin: 2rem 0 8px; color: var(--dim); font-size: .66rem; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.input-shell, .explorer-form { display: flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--paper-2); }
.input-shell:focus-within, .explorer-form:focus-within { border-color: var(--kaspa); }
.input-shell input, .explorer-form input { width: 100%; min-width: 0; height: 54px; border: 0; outline: 0; background: transparent; color: var(--ink); padding: 0 15px; }
.input-shell span { padding-right: 15px; color: var(--dim); font-size: .68rem; font-weight: 800; }
.conversion-result { display: grid; grid-template-columns: auto 1fr; margin-top: 24px; column-gap: 10px; }
.conversion-result span { grid-row: span 2; color: var(--dim); font-family: Georgia,serif; font-size: 2rem; }
.conversion-result strong { overflow: hidden; font-size: clamp(1.25rem, 2vw, 1.75rem); text-overflow: ellipsis; }
.conversion-result small { color: var(--kaspa); font-size: .63rem; font-weight: 800; text-transform: uppercase; }
.range { width: 100%; height: 4px; accent-color: var(--kaspa); cursor: pointer; }
.time-result { display: flex; flex-direction: column; margin-top: 32px; }
.time-result strong { color: var(--kaspa); font-size: 1.7rem; letter-spacing: -.035em; }.time-result span { color: var(--dim); font-size: .64rem; }
.explorer-form button { width: 44px; height: 42px; margin-right: 6px; border: 0; border-radius: 8px; background: var(--kaspa); color: #07130f; cursor: pointer; }
.field-error { min-height: 20px !important; margin-top: 8px !important; color: var(--red) !important; font-size: .66rem !important; }

.quiz-section { width: 100%; max-width: none; padding: 130px max(24px, calc((100vw - var(--max)) / 2)); background: var(--kaspa); color: #07130f; }
.quiz-shell { display: grid; grid-template-columns: .75fr 1.25fr; align-items: stretch; gap: 7rem; }
.quiz-intro .eyebrow { color: #174a3d; }.quiz-intro h2 { margin-bottom: 1.4rem; font-size: clamp(3rem, 5vw, 5.2rem); letter-spacing: -.065em; }.quiz-intro > p:not(.eyebrow) { max-width: 390px; color: #245448; }
.quiz-progress { max-width: 350px; margin-top: 50px; color: #245448; font-size: .68rem; font-weight: 800; }.quiz-progress > div { height: 3px; margin-top: 10px; background: rgba(7,19,15,.18); }.quiz-progress i { display: block; width: 25%; height: 100%; background: #07130f; transition: width .25s; }
.quiz-card { display: flex; min-height: 450px; flex-direction: column; padding: 38px; border: 1px solid rgba(7,19,15,.18); border-radius: 20px; background: rgba(8,20,17,.96); color: var(--ink); box-shadow: 0 40px 80px rgba(7,19,15,.2); }
.quiz-card small { color: var(--kaspa); font-size: .6rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }.quiz-card h3 { margin: 16px 0 25px; font-size: clamp(1.5rem, 2.4vw, 2.2rem); letter-spacing: -.04em; }
.quiz-options { display: grid; gap: 9px; }.quiz-option { display: flex; min-height: 58px; align-items: center; gap: 13px; padding: 0 16px; border: 1px solid var(--line); border-radius: 10px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; }.quiz-option:hover { border-color: var(--kaspa); color: var(--ink); }.quiz-option span { display: grid; width: 25px; height: 25px; flex: 0 0 auto; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; font-size: .64rem; }.quiz-option.correct { border-color: var(--kaspa); background: rgba(112,225,194,.07); color: var(--ink); }.quiz-option.wrong { border-color: var(--red); background: rgba(244,125,121,.07); }.quiz-feedback { min-height: 50px; margin: 15px 0 0; color: var(--muted); font-size: .78rem; }.quiz-next { align-self: flex-end; margin-top: auto; border: 0; background: none; color: var(--kaspa); font-size: .75rem; font-weight: 800; cursor: pointer; }.quiz-score { display: grid; flex: 1; place-items: center; text-align: center; }.quiz-score strong { display: block; color: var(--kaspa); font-family: Georgia,serif; font-size: 6rem; font-style: italic; }.quiz-score button { margin-top: 20px; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; color: var(--ink); padding: 10px 18px; cursor: pointer; }

.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 60px; }
.resource-card { display: grid; grid-template-columns: 48px 1fr auto; min-height: 190px; align-items: start; gap: 16px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.016); transition: transform .2s, border-color .2s; }
.resource-card:hover { transform: translateY(-3px); border-color: rgba(112,225,194,.5); }.resource-card.feature { background: linear-gradient(130deg, rgba(112,225,194,.08), transparent); }
.resource-index { color: var(--dim); font-family: Georgia,serif; font-size: 1.3rem; font-style: italic; }.resource-card small { color: var(--kaspa); font-size: .58rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }.resource-card h3 { margin: 8px 0 10px; font-size: 1.45rem; letter-spacing: -.035em; }.resource-card p { margin: 0; color: var(--muted); font-size: .78rem; }.resource-card > b { color: var(--kaspa); font-size: 1rem; }
.safety-banner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; margin-top: 60px; padding: 30px; border: 1px solid rgba(255,159,104,.25); border-radius: var(--radius); background: rgba(255,159,104,.045); }.shield { display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid rgba(255,159,104,.4); border-radius: 50%; color: var(--orange); font-size: 1.5rem; }.safety-banner .eyebrow { margin-bottom: 6px; color: var(--orange); }.safety-banner h3 { margin: 0 0 4px; font-size: 1.2rem; }.safety-banner p:last-child { margin: 0; color: var(--muted); font-size: .76rem; }.safety-banner > a { color: var(--orange); font-size: .68rem; font-weight: 850; white-space: nowrap; }

.glossary-section { padding-top: 20px; }
.glossary-heading { display: flex; align-items: end; justify-content: space-between; }.glossary-heading h2 { margin: 0; font-size: clamp(3rem, 5vw, 5rem); letter-spacing: -.06em; }.glossary-search { display: flex; width: 280px; align-items: center; gap: 8px; padding: 0 13px; border-bottom: 1px solid var(--line-strong); color: var(--dim); }.glossary-search input { width: 100%; height: 44px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: .78rem; }
.glossary-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.term-card { min-height: 190px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.term-card span { color: var(--kaspa); font-family: Georgia,serif; font-size: 1.5rem; font-style: italic; }.term-card h3 { margin: 18px 0 8px; font-size: 1rem; }.term-card p { margin: 0; color: var(--muted); font-size: .73rem; line-height: 1.6; }.term-card.hidden { display: none; }.glossary-empty { grid-column: 1/-1; padding: 3rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); text-align: center; }

.closing-section { position: relative; min-height: 620px; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; text-align: center; }.closing-section h2 { margin: 0 0 1.5rem; font-size: clamp(3.3rem, 6vw, 6.6rem); letter-spacing: -.07em; }.closing-section > p:not(.eyebrow) { color: var(--muted); }.closing-section .button { margin-top: 1rem; }.closing-dag { position: absolute; z-index: -1; inset: 5%; background: radial-gradient(circle at 20% 50%, rgba(112,225,194,.08), transparent 20%), radial-gradient(circle at 80% 50%, rgba(112,225,194,.08), transparent 20%); opacity: .8; }

.site-footer { border-top: 1px solid var(--line); background: #06100d; }.footer-main { display: grid; grid-template-columns: 1fr auto auto; width: min(var(--max), calc(100% - 48px)); min-height: 250px; align-items: start; gap: 8rem; margin: 0 auto; padding: 60px 0; }.footer-brand p { max-width: 320px; margin: 20px 0 0; color: var(--dim); font-size: .75rem; }.footer-links { display: flex; min-width: 130px; flex-direction: column; gap: 8px; }.footer-links strong { margin-bottom: 6px; color: var(--ink); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }.footer-links a { color: var(--dim); font-size: .73rem; }.footer-links a:hover { color: var(--kaspa); }.footer-bottom { display: flex; justify-content: space-between; width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 20px 0; border-top: 1px solid var(--line); color: var(--dim); font-size: .61rem; }

dialog { padding: 0; color: var(--ink); }
dialog::backdrop { background: rgba(1,8,6,.8); backdrop-filter: blur(8px); }
.lesson-dialog { width: min(760px, calc(100% - 32px)); max-height: min(850px, calc(100vh - 32px)); border: 1px solid var(--line-strong); border-radius: 20px; background: var(--paper-2); box-shadow: 0 50px 100px rgba(0,0,0,.45); }
.dialog-bar { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--line); background: rgba(12,29,24,.94); color: var(--dim); font-size: .64rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; backdrop-filter: blur(10px); }.dialog-bar button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: none; color: var(--muted); cursor: pointer; font-size: 1.2rem; }
.lesson-dialog article { padding: 45px 50px 55px; }.lesson-dialog .lesson-label { color: var(--kaspa); font-size: .65rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }.lesson-dialog h2 { margin: 12px 0 20px; font-size: clamp(2.5rem, 6vw, 4rem); letter-spacing: -.06em; }.lesson-dialog .lesson-lede { color: var(--muted); font-size: 1.05rem; }.lesson-dialog h3 { margin-top: 2.2rem; font-size: 1.2rem; }.lesson-dialog p, .lesson-dialog li { color: var(--muted); font-size: .86rem; }.lesson-dialog strong { color: var(--ink); }.lesson-dialog .lesson-callout { margin: 2rem 0; padding: 20px; border-left: 2px solid var(--kaspa); background: rgba(112,225,194,.05); }.lesson-dialog .lesson-source { display: flex; margin-top: 2.2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--kaspa); font-size: .72rem; font-weight: 800; }.lesson-complete { display: flex; width: 100%; min-height: 48px; margin-top: 2.2rem; align-items: center; justify-content: center; border: 1px solid var(--kaspa); border-radius: 999px; background: transparent; color: var(--kaspa); font-weight: 800; cursor: pointer; }.lesson-complete.done { background: var(--kaspa); color: #07130f; }

.search-dialog { width: min(680px, calc(100% - 32px)); max-height: min(680px, calc(100vh - 32px)); border: 1px solid var(--line-strong); border-radius: 16px; background: #0a1915; box-shadow: 0 40px 100px rgba(0,0,0,.5); }.search-box { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); color: var(--muted); }.search-box input { width: 100%; height: 36px; border: 0; outline: 0; background: none; color: var(--ink); }.search-box button { border: 1px solid var(--line); border-radius: 5px; background: none; color: var(--dim); font-size: .62rem; cursor: pointer; }.search-results { max-height: 520px; overflow: auto; padding: 10px; }.search-results > p { padding: 25px; color: var(--dim); font-size: .78rem; text-align: center; }.search-result { display: block; width: 100%; padding: 14px 16px; border: 0; border-radius: 9px; background: transparent; color: inherit; text-align: left; cursor: pointer; }.search-result:hover { background: rgba(112,225,194,.06); }.search-result small { color: var(--kaspa); font-size: .56rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }.search-result strong { display: block; margin: 3px 0; font-size: .9rem; }.search-result span { display: block; overflow: hidden; color: var(--dim); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }

@keyframes breathe { 50% { opacity: .45; box-shadow: 0 0 0 8px rgba(112,225,194,0); } }
@keyframes dash { to { stroke-dashoffset: -200; } }
@keyframes active-node { 50% { box-shadow: 0 0 0 11px rgba(112,225,194,0), 0 0 45px rgba(112,225,194,.35); } }
@keyframes travel { 0% { transform: translate(0,0); opacity: 0; } 10% { opacity: 1; } 45% { transform: translate(105px,-88px); } 75% { transform: translate(215px,-35px); } 100% { transform: translate(325px,-85px); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }.desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 1rem; padding-top: 180px; padding-bottom: 100px; }.hero-copy { padding: 0; }.dag-stage { width: min(680px, 100%); margin: 1rem auto 0; }
  .ticker { grid-template-columns: repeat(3, 1fr); }.ticker-label, .ticker-source { display: none; }.ticker-stat:nth-last-of-type(1) { border-right: 0; }
  .fact-section { grid-template-columns: .75fr 1.25fr; }.fact-orbit { display: none; }
  .quiz-shell { gap: 3rem; }
}

@media (max-width: 820px) {
  .site-header { padding: 0 20px; }.button-outline, .search-trigger span, .search-trigger kbd { display: none; }.menu-button { display: block; }.mobile-nav { position: absolute; left: 12px; right: 12px; top: 70px; display: none; flex-direction: column; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: #0c1d18; box-shadow: 0 20px 50px rgba(0,0,0,.35); }.mobile-nav.open { display: flex; }.mobile-nav a { padding: 12px; color: var(--muted); font-size: .82rem; }
  .hero { min-height: auto; padding-top: 145px; }.hero h1 { font-size: clamp(3.2rem, 13vw, 5.5rem); }.dag-card { transform: none; }.hero-proof { flex-wrap: wrap; }
  .ticker { grid-template-columns: repeat(2,1fr); }.ticker-stat { min-height: 70px; padding-left: 24px; border-bottom: 1px solid var(--line); }.ticker-stat:nth-child(6) { grid-column: span 2; border-bottom: 0; }
  .intro, .paths-section, .tools-section, .resources-section, .glossary-section { padding: 100px 0; }.split-heading { grid-template-columns: 1fr; align-items: start; gap: 1.5rem; }.compare-grid { grid-template-columns: 1fr; }.path-tabs { flex-wrap: wrap; }.course-grid { grid-template-columns: repeat(2, 1fr); }.fact-section { grid-template-columns: 1fr; gap: 3rem; padding: 100px 0; }.fact-number > span { font-size: 13rem; }.tools-grid { grid-template-columns: 1fr; }.tool-card { min-height: 380px; }.quiz-shell { grid-template-columns: 1fr; }.resource-grid { grid-template-columns: 1fr; }.safety-banner { grid-template-columns: auto 1fr; }.safety-banner > a { grid-column: 2; }.glossary-grid { grid-template-columns: repeat(2,1fr); }.footer-main { grid-template-columns: 1fr 1fr; gap: 3rem; }.footer-brand { grid-column: span 2; }
}

@media (max-width: 560px) {
  .section { width: min(100% - 30px, var(--max)); }.hero-actions { align-items: stretch; flex-direction: column; }.hero-actions .button { width: 100%; }.hero-proof { gap: .8rem; }.hero-proof span + span { padding-left: .8rem; }.dag-stage { width: calc(100% + 10px); margin-left: -5px; }.dag-card-header { padding: 14px; }.dag-node { width: 36px; height: 36px; border-radius: 8px; }.dag-node b { top: -2px; font-size: .75rem; }.dag-node small { font-size: .38rem; }.dag-caption { left: 12px; right: 12px; bottom: 10px; gap: 8px; }.dag-caption span { display: none; }.dag-caption button { margin-left: 0; }.stage-note { margin-left: 0; }
  .section-heading h2 { font-size: 2.8rem; }.compare-card { min-height: 440px; padding: 20px; }.chain-demo > i { width: 30px; }.mini-dag span { width: 28px; height: 28px; }.plain-english { grid-template-columns: 48px 1fr; gap: 13px; padding: 20px; }.plain-english .circle-button { display: none; }
  .paths-section > * { width: calc(100% - 30px); }.path-tabs button { flex: 1 1 45%; padding: 0 10px; }.course-grid { grid-template-columns: 1fr; }.progress-note span { display: none; }.progress-note button { white-space: nowrap; }
  .fact-number > span { font-size: 10rem; }.fact-section { gap: 2rem; }.tools-grid { margin-top: 40px; }.quiz-section { padding: 90px 15px; }.quiz-card { min-height: 500px; padding: 24px; }.resource-card { grid-template-columns: 38px 1fr auto; padding: 20px; }.safety-banner { grid-template-columns: 1fr; }.safety-banner > a { grid-column: auto; }.glossary-heading { align-items: start; flex-direction: column; gap: 25px; }.glossary-search { width: 100%; }.glossary-grid { grid-template-columns: 1fr; }.closing-section { min-height: 520px; }.footer-main { gap: 2rem; }.footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }.lesson-dialog article { padding: 32px 24px 40px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}