:root{--bg:#f3ece2;--bg-tint:#e8ddcc;--surface:#fbf7f1;--ink:#0c2c52;--ink-soft:#4a5873;--line:#d8ccb9;--accent:#b8312a;--accent-ink:#a12b24;--accent-hi:#ff8f80;--on-accent:#fff7ef;--flag-red:#c6363c;--flag-blue:#0c4076;--flag-white:#fff;--dark:#0c4076;--dark-2:#0a3563;--dark-line:#2a5a8f;--on-dark:#f3ece2;--on-dark-soft:#b5c6dd;--ok:#e7b84f;--font-display:"Atkinson Hyperlegible Next", system-ui, sans-serif;--font-body:"Atkinson Hyperlegible Next", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--radius:14px;--gutter:clamp(16px, 4vw, 40px)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.6}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.01em;margin:0;font-weight:700;line-height:1.15}p{margin:0}a{color:inherit}.container{width:100%;max-width:1160px;padding:0 var(--gutter);margin:0 auto}.accent{color:var(--accent)}.muted{color:var(--ink-soft)}.label,.eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:14px;font-size:13px;font-weight:600}.label:before{content:"// ";opacity:.6}.label--light{color:var(--accent-hi)}.header{z-index:10;background:var(--dark);color:var(--on-dark);position:sticky;top:0}.header svg g,.footer svg g{stroke-opacity:.7}.header__inner{align-items:center;gap:24px;height:64px;display:flex}.brand{font-family:var(--font-display);align-items:center;gap:10px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.nav{gap:28px;margin-left:auto;display:flex}.nav a{color:var(--on-dark-soft);font-weight:500;text-decoration:none}.nav a:hover{color:var(--on-dark)}.lang{border:1px solid var(--dark-line);border-radius:999px;padding:3px;display:flex}.lang button{font:600 13px var(--font-mono);color:var(--on-dark-soft);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:5px 11px}.lang button[aria-pressed=true]{background:var(--on-dark);color:var(--ink)}@media (width<=1080px){.nav{display:none}.lang{margin-left:auto}}.btn{border:1.5px solid var(--ink);border-radius:999px;align-items:center;gap:8px;padding:13px 22px;font-weight:700;text-decoration:none;transition:transform .15s,background .15s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn--primary{background:var(--ink);color:var(--on-dark)}.btn--ghost{background:0 0}.hero{padding:clamp(48px,9vw,110px) 0 clamp(56px,8vw,100px)}.hero__inner{grid-template-columns:1.15fr 1fr;align-items:center;gap:clamp(32px,5vw,64px);display:grid}.hero__title{font-size:clamp(32px,4.4vw,54px)}.hero__title .accent{margin-top:.3em;font-size:.62em;line-height:1.25;display:block}.hero__lead{max-width:34em;color:var(--ink-soft);margin-top:24px;font-size:19px}.hero__actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.demo{background:var(--dark);color:var(--on-dark);border-radius:var(--radius);min-width:0;margin:0;overflow:hidden;box-shadow:0 30px 60px -30px #0c407673}.demo__bar{background:var(--dark-2);gap:7px;padding:13px 16px;display:flex}.demo__bar span{background:#2c5a92;border-radius:50%;width:11px;height:11px}.demo__body{font-family:var(--font-mono);padding:20px 20px 8px;font-size:13.5px;line-height:1.6}.demo__line{gap:12px;margin-bottom:16px;display:flex}.demo__line--ok{color:var(--ok)}.demo__msg{min-width:0}.demo__who{width:6ch;color:var(--on-dark-soft);flex:none}.demo__who--ai{color:var(--accent-hi)}.demo pre{color:#dce6f3;min-width:0;margin:8px 0 0;overflow-x:auto}.demo figcaption{border-top:1px solid var(--dark-line);color:var(--on-dark-soft);padding:14px 20px;font-size:14px}@media (width<=900px){.hero__inner{grid-template-columns:1fr}}.term__definition{font-size:clamp(19px,2vw,22px);line-height:1.55}.term__why{border-left:4px solid var(--accent);margin-top:20px;padding-left:18px;font-size:19px;font-weight:700}.term__principle{color:var(--ink-soft);margin-top:28px;font-size:clamp(17px,1.8vw,19px)}.term__principle--next{margin-top:14px}.term__quote{margin:28px 0 0}.term__quote blockquote{margin:0;font-size:clamp(19px,2vw,22px);font-style:italic;line-height:1.45}.term__quote figcaption{font-family:var(--font-mono);color:var(--ink-soft);margin-top:10px;font-size:13px}.term__quote figcaption:before{content:"- "}.section{padding:clamp(64px,9vw,112px) 0}.section__title{max-width:22em;font-size:clamp(26px,3.4vw,40px)}.section__intro{max-width:40em;margin-top:14px}.section--tint{background:var(--bg-tint)}.section--dark{background:var(--dark);color:var(--on-dark)}.cards{gap:20px;margin-top:44px;display:grid}.cards--3{grid-template-columns:repeat(3,1fr)}.cards--2{grid-template-columns:repeat(2,1fr)}.card{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.card h3{margin-bottom:10px;font-size:19px}.card p{color:var(--ink-soft)}.card__num{font-family:var(--font-mono);color:var(--accent-ink);margin-bottom:18px;display:block}.card--line{border-left:4px solid var(--accent)}.card--pillar{padding:32px 28px}.card--pillar h3{font-size:22px}.pillar__num{background:var(--accent);width:44px;height:44px;color:var(--on-accent);font:800 19px var(--font-display);border-radius:12px;place-items:center;margin-bottom:22px;display:grid}.channel{flex-direction:column;display:flex}@media (width<=900px){.cards--3,.cards--2{grid-template-columns:1fr}}.phases{grid-template-columns:1fr 1fr;gap:56px;margin:44px 0 0;padding:0;list-style:none;display:grid}.phase{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;padding:clamp(28px,4vw,40px);display:flex;position:relative}.phase--dark{background:var(--dark);color:var(--on-dark);border-color:var(--dark)}.phase__bridge{text-align:center;width:56px;font-size:0;position:absolute;top:50%;left:-56px;transform:translateY(-50%)}.phase__bridge span{color:var(--accent);font-size:28px;font-weight:800}.phase__tag{background:var(--accent);color:var(--on-accent);font:700 13px var(--font-mono);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;align-self:flex-start;padding:4px 12px}.phase__title{margin-top:18px;font-size:clamp(28px,3.4vw,38px)}.phase__subtitle{color:var(--accent-ink);margin-top:6px;font-size:19px;font-weight:700}.phase--dark .phase__subtitle{color:var(--accent-hi)}.phase__text{color:var(--ink-soft);margin-top:16px}.phase--dark .phase__text{color:var(--on-dark-soft)}.phase__benefits-label{border-top:1px solid var(--line);font:600 13px var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-top:28px;padding-top:20px}.phase--dark .phase__benefits-label{border-color:var(--dark-line);color:var(--on-dark-soft)}.phase__benefits{gap:10px;margin:14px 0 0;padding:0;list-style:none;display:grid}.phase__benefits li{padding-left:28px;font-weight:500;position:relative}.phase__benefits li:before{content:"✓";color:var(--accent-ink);font-weight:800;position:absolute;left:0}.phase--dark .phase__benefits li:before{color:var(--ok)}@media (width<=900px){.phases{grid-template-columns:1fr;gap:64px}.phase__bridge{text-align:left;width:auto;font:600 14px var(--font-mono);color:var(--ink-soft);top:-48px;left:0;transform:none}.phase__bridge span{margin-right:6px;font-size:20px;display:inline-block;transform:rotate(90deg)}}.rules{grid-template-columns:1fr 1.3fr;align-items:start;gap:48px;display:grid}.rules__list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.rules__list li{color:var(--ink);background:var(--surface);border-radius:var(--radius);gap:20px;padding:24px;display:flex}.rules__list h3{margin-bottom:6px;font-size:18px}.rules__list p{color:var(--ink-soft)}.rules__num{background:var(--accent);width:40px;height:40px;color:var(--on-accent);font:700 17px var(--font-display);border-radius:50%;flex:none;place-items:center;display:grid}@media (width<=900px){.rules{grid-template-columns:1fr;gap:28px}}.path{counter-reset:stage;grid-template-columns:repeat(4,1fr);gap:20px;margin:44px 0 0;padding:0;list-style:none;display:grid}.path__stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;padding:28px 24px 24px;display:flex;position:relative}.path__stage:not(:last-child):after{content:"";background:var(--accent);width:21px;height:2px;position:absolute;top:47px;right:-21px}.path__num{background:var(--ink);width:40px;height:40px;color:var(--on-dark);font:700 17px var(--font-display);border-radius:10px;place-items:center;margin-bottom:20px;display:grid}.path__stage h3{margin-bottom:10px;font-size:19px}.path__stage>p{color:var(--ink-soft);font-size:15.5px}.badge{background:var(--bg-tint);font:600 12px var(--font-mono);color:var(--ink-soft);border-radius:999px;align-self:flex-start;margin-top:16px;padding:3px 10px}@media (width<=1000px){.path{grid-template-columns:repeat(2,1fr)}.path__stage:after{display:none}}@media (width<=600px){.path{grid-template-columns:1fr}}.back-to-top{margin-top:40px}.footer{background:var(--dark);color:var(--on-dark);padding:40px 0}.footer__bottom{color:var(--on-dark-soft);flex-wrap:wrap;justify-content:space-between;gap:20px;font-size:14px;display:flex}.footer__credits{max-width:44em}.footer__credits a{color:var(--on-dark)}.footer__tagline{align-items:center;gap:8px;display:flex}