:root{--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--radius: 16px;--radius-sm: 10px;--container: 1180px;--section-y: clamp(64px, 9vw, 112px);--ease: cubic-bezier(.22, 1, .36, 1)}[data-theme=dark]{--bg: #0e1420;--bg-alt: #111823;--surface: #161f2e;--surface-2: #1b2536;--border: #263042;--border-soft: #1c2434;--text: #e9edf3;--muted: #97a3b7;--muted-2: #5c6a80;--accent: #f0a22e;--accent-text: #1a1206;--accent-dim: rgba(240, 162, 46, .14);--accent-border: rgba(240, 162, 46, .35);--teal: #3fb8a6;--teal-text: #0a201d;--teal-dim: rgba(63, 184, 166, .14);--teal-border: rgba(63, 184, 166, .35);--blue: #5b8def;--blue-text: #0c1730;--blue-dim: rgba(91, 141, 239, .14);--blue-border: rgba(91, 141, 239, .35);--danger: #e0524f;--danger-dim: rgba(224, 82, 79, .14);--ok: #5fb488;--ok-dim: rgba(95, 180, 136, .14);--shadow: 0 24px 48px -28px rgba(0, 0, 0, .6)}[data-theme=light]{--bg: #f6f4ef;--bg-alt: #efece4;--surface: #ffffff;--surface-2: #f7f5f0;--border: #ddd8cd;--border-soft: #e7e3d8;--text: #191712;--muted: #5c5748;--muted-2: #837c6a;--accent: #b4530a;--accent-text: #fff8ef;--accent-dim: rgba(180, 83, 10, .1);--accent-border: rgba(180, 83, 10, .3);--teal: #157567;--teal-text: #f4fdfb;--teal-dim: rgba(21, 117, 103, .1);--teal-border: rgba(21, 117, 103, .3);--blue: #2f5dc4;--blue-text: #f5f8ff;--blue-dim: rgba(47, 93, 196, .1);--blue-border: rgba(47, 93, 196, .3);--danger: #a8392c;--danger-dim: rgba(168, 57, 44, .1);--ok: #2f7a54;--ok-dim: rgba(47, 122, 84, .1);--shadow: 0 24px 48px -28px rgba(25, 23, 18, .18)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;-webkit-font-smoothing:antialiased;line-height:1.55;transition:background .25s var(--ease),color .25s var(--ease)}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul{margin:0;padding:0;list-style:none}h1,h2,h3,h4,p{margin:0}button{font:inherit}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.container{max-width:var(--container);margin:0 auto;padding:0 24px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-text);padding:10px 16px;z-index:200;border-radius:0 0 8px}.skip-link:focus{left:0}.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.reveal.is-visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important;transition:none!important}*{animation-duration:.001ms!important}.parallax{transform:none!important}}.parallax{will-change:transform}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-lg{padding:14px 26px;font-size:1rem}.btn-sm{padding:8px 14px;font-size:.85rem}.btn-block{width:100%}.btn:disabled{opacity:.6;cursor:progress}.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav{position:sticky;top:0;z-index:100;border-bottom:1px solid transparent;background:transparent;transition:background .3s var(--ease),border-color .3s var(--ease)}.nav.is-scrolled{background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-color:var(--border-soft)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.02rem}.brand-mark{width:24px;height:24px;color:var(--accent)}.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;font-size:.82rem;font-weight:600;transition:border-color .2s,color .2s}.theme-toggle:hover{color:var(--text);border-color:var(--accent-border)}.theme-toggle .icon{width:15px;height:15px}.hero{padding:clamp(56px,10vw,108px) 0 clamp(48px,7vw,80px)}.hero-inner{max-width:780px}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-family:var(--font-mono);font-size:.8rem;font-weight:600;letter-spacing:.02em;margin-bottom:20px}.hero-eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.hero-title{font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.14;letter-spacing:-.02em;font-weight:700;margin-bottom:22px}.hero-sub{font-size:1.08rem;color:var(--muted);max-width:58ch;margin-bottom:30px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px}.hero-map{margin-top:56px;display:flex;flex-wrap:wrap;gap:10px}.hero-map-item{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--border);border-radius:999px;font-size:.82rem;color:var(--muted);background:var(--surface);transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}.hero-map-item:hover{background:color-mix(in srgb,var(--surface) 82%,black);border-color:var(--accent-border);color:var(--text)}.hero-map-item .idx{font-family:var(--font-mono);color:var(--accent);font-weight:600}.problem-progress{position:fixed;right:22px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px;z-index:90;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}.problem-progress.is-visible{opacity:1;pointer-events:auto}.problem-progress-dot{width:30px;height:30px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:.68rem;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}.problem-progress-dot:hover{border-color:var(--accent-border);color:var(--text)}.problem-progress-dot.is-current{background:var(--accent);color:var(--accent-text);border-color:var(--accent);transform:scale(1.12)}@media (max-width: 1080px){.problem-progress{display:none}}.problem-section{padding:var(--section-y) 0;border-top:1px solid var(--border-soft)}.problem-section:nth-of-type(2n){background:var(--bg-alt)}.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.problem-section.flip .problem-grid{direction:rtl}.problem-section.flip .problem-grid>*{direction:ltr}.problem-index{font-family:var(--font-mono);color:var(--accent);font-size:.95rem;font-weight:600;margin-bottom:14px}.problem-title{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;letter-spacing:-.015em;line-height:1.28;margin-bottom:26px;max-width:44ch}.stat-list{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}.stat-row{display:flex;align-items:baseline;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--border-soft)}.stat-row:last-child{border-bottom:none;padding-bottom:0}.stat-figure{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--text);white-space:nowrap}.stat-unit{font-family:var(--font-mono);font-size:.78rem;color:var(--accent);white-space:nowrap}.stat-label{color:var(--muted);font-size:.92rem}.source-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.72rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}.source-tag:before{content:"—"}.scratch-wrap{display:flex;flex-direction:column;gap:14px}.scratch-card{position:relative;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);overflow:hidden;aspect-ratio:4 / 3;min-height:260px}.scratch-solution{position:absolute;top:0;right:0;bottom:0;left:0;padding:26px;display:flex;flex-direction:column;justify-content:center;gap:12px}.scratch-solution.is-revealed{animation:solutionIn .4s var(--ease)}@keyframes solutionIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.solution-check{width:34px;height:34px;border-radius:50%;background:var(--ok-dim);color:var(--ok);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.solution-check .icon{width:18px;height:18px}.solution-title{font-size:1.05rem;font-weight:700}.solution-body{color:var(--muted);font-size:.9rem;max-width:40ch}.solution-how{font-family:var(--font-mono);font-size:.78rem;color:var(--accent);margin-top:6px}.scratch-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:pointer;touch-action:none;transition:opacity .3s var(--ease)}.scratch-canvas.is-fading{opacity:0;pointer-events:none}.scratch-hint{position:absolute;bottom:14px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;background:color-mix(in srgb,var(--bg) 70%,transparent);border:1px solid var(--border);font-family:var(--font-mono);font-size:.72rem;color:var(--muted);pointer-events:none;transition:opacity .3s var(--ease);animation:hintFloat 2.4s ease-in-out infinite}.scratch-hint.is-hidden{opacity:0}@keyframes hintFloat{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-4px)}}.scratch-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.scratch-actions .btn-sm{flex-shrink:0}.scratch-progress-label{font-family:var(--font-mono);font-size:.75rem;color:var(--muted-2)}.problem-section.border-accent-left{border-left:3px solid var(--accent)}.problem-section.border-accent-right{border-right:3px solid var(--accent)}.problem-section.is-emphasis .problem-title{font-size:clamp(1.55rem,3vw,2.15rem)}.emphasis-tag{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;background:var(--accent-dim);border:1px solid var(--accent-border);color:var(--accent);font-family:var(--font-mono);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;margin-bottom:16px}.emphasis-tag:before{content:"●";font-size:.6rem}.trust-arc{position:relative}.trust-arc:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--accent),var(--teal),var(--blue))}.roi-section{padding:var(--section-y) 0;border-top:1px solid var(--border-soft);background:var(--bg-alt)}.roi-head{max-width:640px;margin-bottom:48px}.roi-title{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:700;letter-spacing:-.015em;margin-bottom:14px}.roi-sub{color:var(--muted);font-size:1.05rem}.roi-positioning{margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);background:var(--accent-dim);border:1px solid var(--accent-border);color:var(--text);font-size:.9rem}.roi-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:44px}.roi-step{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border)}.roi-step-num{font-family:var(--font-mono);color:var(--accent);font-size:.95rem;font-weight:600;margin-bottom:12px}.roi-step h3{font-size:1.02rem;font-weight:700;margin-bottom:8px}.roi-step p{color:var(--muted);font-size:.88rem}.roi-close{font-size:clamp(1.15rem,2vw,1.4rem);font-weight:700;letter-spacing:-.01em;border-left:3px solid var(--accent);padding-left:18px;max-width:48ch}.how-we-work{padding:var(--section-y) 0;border-top:1px solid var(--border-soft)}.how-head{max-width:640px;margin-bottom:20px}.how-title{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:700;letter-spacing:-.015em;margin-bottom:14px;color:var(--teal)}.how-motif{margin:0 0 40px}.how-chain{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-bottom:32px}.how-node{position:relative;padding:0 16px 0 0}.how-node-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--teal-dim);color:var(--teal);font-family:var(--font-mono);font-size:.82rem;font-weight:700;margin-bottom:12px}.how-node h3{font-size:.98rem;font-weight:700;margin-bottom:6px}.how-node p{color:var(--muted);font-size:.85rem}.how-core-message{font-size:1.05rem;font-weight:600;color:var(--text);border-left:3px solid var(--teal);padding-left:18px;white-space:nowrap}.how-motif-line{stroke-dasharray:1 10;animation:howLineDrift 3.2s linear infinite}@keyframes howLineDrift{to{stroke-dashoffset:-22}}.data-trust{padding:var(--section-y) 0;border-top:1px solid var(--border-soft);background:var(--bg-alt)}.data-trust-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}.data-trust-title{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:700;letter-spacing:-.015em;margin-bottom:14px;color:var(--blue)}.data-trust-motif{display:block;margin:24px auto 0;max-width:240px}.trust-list{display:flex;flex-direction:column;gap:18px}.trust-item{display:flex;gap:14px;align-items:flex-start}.trust-check{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--blue-dim);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-top:2px}.trust-check .icon{width:15px;height:15px}.trust-item h3{font-size:.98rem;font-weight:700;margin-bottom:4px}.trust-item p{color:var(--muted);font-size:.9rem}.workflow-cta{padding:var(--section-y) 0;border-top:1px solid var(--border-soft)}.workflow-cta-inner{position:relative;overflow:hidden;text-align:center;max-width:640px;margin:0 auto;padding:60px 40px 52px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}.workflow-cta-inner:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--teal),var(--blue))}.workflow-cta-title{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:700;letter-spacing:-.015em;margin-bottom:14px}.workflow-cta-body{color:var(--muted);font-size:1.02rem;margin-bottom:30px}.btn-cta{padding:17px 36px;font-size:1.06rem}.closing{padding:var(--section-y) 0;border-top:1px solid var(--border-soft)}.closing-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}.closing-title{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:700;letter-spacing:-.015em;margin-bottom:16px;max-width:34ch}.closing-body{color:var(--muted);font-size:1rem;max-width:46ch}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}.field span{font-size:.82rem;font-weight:600;color:var(--muted)}.field input,.field select,.field textarea{font-family:var(--font-body);font-size:.95rem;padding:11px 13px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-alt);color:var(--text);outline:none;transition:border-color .2s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}.field textarea{resize:vertical;min-height:96px}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.form-error{margin-top:14px;color:var(--danger);font-size:.85rem}.form-error a{text-decoration:underline}.form-success{text-align:center;padding:34px 10px}.success-mark{width:52px;height:52px;border-radius:50%;background:var(--ok-dim);color:var(--ok);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.success-mark .icon{width:24px;height:24px}.form-success h3{font-size:1.1rem;margin-bottom:8px}.form-success p{color:var(--muted);font-size:.92rem}.footer{padding:48px 0 28px}.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px;padding-bottom:24px;border-bottom:1px solid var(--border-soft)}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav a{color:var(--muted);font-size:.85rem;transition:color .2s}.footer-nav a:hover{color:var(--accent)}.footer-links{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.footer-links a{color:var(--muted);font-size:.9rem;transition:color .2s}.footer-links a:hover{color:var(--accent)}.footer-base{padding-top:18px;color:var(--muted-2);font-size:.78rem}@media (max-width: 720px){.footer-inner{flex-direction:column;align-items:flex-start}.footer-links{align-items:flex-start}}.icon{width:20px;height:20px}@media (max-width: 1080px){.problem-grid{grid-template-columns:1fr;gap:32px}.problem-section.flip .problem-grid{direction:ltr}.scratch-wrap{max-width:640px}.stat-list{flex-direction:row;flex-wrap:wrap;gap:20px 32px}.stat-row{flex-direction:column;align-items:flex-start;gap:4px;border-bottom:none;padding-bottom:0;flex:1 1 220px}.closing-inner{grid-template-columns:1fr}.roi-steps{grid-template-columns:1fr 1fr}.how-chain{grid-template-columns:1fr 1fr;gap:28px 16px}.how-node:not(:last-child):after{display:none}.data-trust-grid{grid-template-columns:1fr}.data-trust-motif{max-width:260px}}@media (max-width: 720px){.stat-list{flex-direction:column;gap:14px}.stat-row{flex:0 0 auto;border-bottom:1px solid var(--border-soft);padding-bottom:14px}.stat-row:last-child{border-bottom:none;padding-bottom:0}.stat-label{text-wrap:balance}.field-row{grid-template-columns:1fr}.hero-actions .btn{width:100%}.scratch-card{min-height:220px}.footer-inner{flex-direction:column;align-items:flex-start}.roi-steps{grid-template-columns:1fr}.how-chain{grid-template-columns:1fr;gap:20px}.how-node{text-align:center}.how-node p{text-wrap:balance}.workflow-cta-inner{padding:40px 24px}.workflow-cta .btn-cta{width:100%;white-space:normal}.how-core-message{white-space:normal}}