:root{
--bg-canvas:#13261d;--bg-surface:#1b3328;--bg-surface-hover:#22402f;--text-primary:#efe6d2;--text-muted:#c9bea5;--accent-primary:#b8923a;--accent-secondary:#d6b25e;--border-subtle:rgba(184,146,58,.28);
--ease-kinetic:cubic-bezier(0.16,1,0.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);--glow-accent:0 0 24px -4px var(--accent-primary);--glass-backdrop:blur(16px) saturate(180%);
--mono:ui-monospace,Consolas,"Liberation Mono",monospace}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:17px/1.68 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3,h4{line-height:1.2;overflow-wrap:anywhere;hyphens:auto;margin:0 0 .6em}
h1{font-size:clamp(2rem,4.6vw,3.3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.8vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-secondary)}
.mono,code,.latin,.badge,.kicker,.flabel,th,td,label,.node{font-family:var(--mono)}
.latin{font-style:italic;color:var(--accent-secondary);font-size:.86rem;letter-spacing:.02em}
.kicker{font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;color:var(--accent-primary)}
.muted{color:var(--text-muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent-primary);color:var(--bg-canvas);padding:8px 14px;z-index:50}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:3px}
/* header */
.site-header{position:relative;background:var(--bg-canvas);z-index:20}
.top{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.08rem;margin-right:auto}
.mark{width:34px;height:34px;border-radius:50%;background:var(--accent-primary);color:var(--bg-canvas);display:grid;place-items:center;font-family:var(--mono);font-size:.8rem;font-weight:700}
.tld{font-family:var(--mono);font-weight:400;color:var(--accent-secondary);font-size:.85em}
.menu-btn{display:none;background:none;border:0;color:var(--text-primary);font-size:1.7rem;line-height:1;padding:6px 12px;cursor:pointer}
.site-nav{border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
.site-nav ul{list-style:none;margin:0 auto;padding:10px 24px;display:flex;justify-content:center;flex-wrap:wrap;gap:6px 30px;max-width:1200px}
.site-nav a{font-family:var(--mono);font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-primary);text-decoration:none;padding:4px 0;background:linear-gradient(var(--accent-primary),var(--accent-primary)) 0 100%/0 1px no-repeat;transition:background-size .4s var(--ease-kinetic)}
.site-nav a:hover,.site-nav a[aria-current=page]{background-size:100% 1px;color:var(--accent-secondary)}
/* hero */
.hero{position:relative;padding:46px 24px 70px;background:linear-gradient(120deg,#13261d,#1b3328,#2a3d22,#13261d);background-size:200% 200%;animation:gradientShift 12s ease infinite;clip-path:polygon(0 0,100% 0,100% 82%,0 100%);overflow:hidden;isolation:isolate}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(40px);z-index:-1;animation:float 14s ease-in-out infinite}
.hero::before{width:260px;height:260px;background:rgba(184,146,58,.22);right:8%;top:-60px}
.hero::after{width:200px;height:200px;background:rgba(98,140,90,.25);left:30%;bottom:-80px;animation-delay:-6s}
.hero-inner{max-width:1200px;margin:0 auto}
.hero p{font-size:1.12rem;color:var(--text-muted);max-width:62ch;margin:0}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,20px)}}
/* flow */
.flow{position:relative;max-width:1200px;margin:0 auto;padding:0 24px 40px 76px}
.flow::before{content:"";position:absolute;left:40px;top:0;bottom:0;width:1px;background:linear-gradient(var(--accent-primary),rgba(184,146,58,.25));z-index:0}
.sec{position:relative;z-index:1;isolation:isolate;padding:58px 34px}
.sec.alt::before{content:"";position:absolute;inset:0;background:var(--bg-surface);clip-path:polygon(0 5%,100% 0,100% 95%,0 100%);z-index:-1}
.sec.curve::before{content:"";position:absolute;inset:0;background:var(--bg-surface);clip-path:ellipse(140% 100% at 50% 100%);z-index:-1}
.node{position:absolute;left:-52px;top:62px;width:26px;height:26px;border-radius:50%;background:var(--bg-canvas);border:1px solid var(--accent-primary);color:var(--accent-secondary);font-size:.68rem;display:grid;place-items:center}
.sec h2 .n{font-family:var(--mono);color:var(--accent-primary);font-size:.8em;margin-right:.4em}
.prose{max-width:70ch}
.prose a,.tl{color:var(--accent-secondary);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/30% 1px no-repeat;transition:background-size .4s var(--ease-kinetic)}
.prose a:hover,.tl:hover{background-size:100% 1px}
button.tl{background-color:transparent;border:0;padding:2px 0;font:inherit;cursor:pointer}
.btn{display:inline-block;background:var(--accent-primary);color:var(--bg-canvas);font-weight:700;padding:12px 24px;border:0;text-decoration:none;cursor:pointer;font-size:1rem;transition:transform .4s var(--ease-kinetic),box-shadow .4s var(--ease-kinetic)}
.btn:hover{transform:translateY(-3px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:1.2em}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;margin-top:26px}
.card{background:var(--bg-surface);box-shadow:0 6px 18px rgba(0,0,0,.28);transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic),background .3s;display:flex;flex-direction:column}
.sec.alt .card,.sec.curve .card{background:var(--bg-canvas)}
.card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card .body{padding:20px 22px 24px}
.card h3{margin:.3em 0 .4em}
.card p{color:var(--text-muted);font-size:.96rem}
.badge{display:inline-block;border-radius:999px;padding:2px 11px;font-size:.7rem;letter-spacing:.06em;border:1px solid var(--accent-primary);color:var(--accent-secondary)}
.badge.hard{background:var(--accent-primary);color:var(--bg-canvas)}
.meta{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center;margin-top:24px}
.banner{width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:var(--shadow-elevation)}
.thumb{width:72px;height:72px;aspect-ratio:1/1;object-fit:cover;border-radius:50%}
.thumbrow{display:flex;gap:16px;align-items:center;margin:16px 0}
/* table */
.tablewrap{overflow-x:auto;margin-top:20px}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.88rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border-subtle)}
th{color:var(--accent-secondary);text-transform:uppercase;font-size:.74rem;letter-spacing:.1em}
td em{font-style:italic}
/* timeline */
.steps{list-style:none;margin:24px 0 0;padding:0;counter-reset:s;max-width:72ch}
.steps li{position:relative;padding:0 0 26px 54px;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;border:1px solid var(--accent-primary);display:grid;place-items:center;font-family:var(--mono);font-size:.78rem;color:var(--accent-secondary);background:var(--bg-canvas)}
.steps li::after{content:"";position:absolute;left:18px;top:38px;bottom:2px;width:1px;background:var(--border-subtle)}
.steps li:last-child::after{display:none}
.steps h3{margin-bottom:.25em}
/* accordion */
.acc{max-width:72ch;margin-top:20px}
.acc details{background:var(--bg-surface);margin-bottom:12px;box-shadow:0 4px 14px rgba(0,0,0,.22)}
.sec.alt .acc details{background:var(--bg-canvas)}
.acc summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-family:var(--mono);color:var(--accent-primary)}
.acc details[open] summary::after{content:"–"}
.acc details p{padding:0 20px 16px;margin:0;color:var(--text-muted)}
/* specimen form */
.specimen{background:var(--bg-surface);box-shadow:var(--shadow-elevation);padding:28px;max-width:720px;border-top:3px solid var(--accent-primary)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.74rem;letter-spacing:.18em;color:var(--accent-secondary);margin-bottom:6px}
.field input,.field textarea{width:100%;background:var(--bg-canvas);border:0;border-bottom:1px solid var(--accent-primary);color:var(--text-primary);padding:10px 12px;font:inherit}
.field textarea{min-height:130px;resize:vertical}
.preview{white-space:pre-wrap;font-family:var(--mono);font-size:.85rem;background:var(--bg-canvas);padding:16px;margin-top:20px;border-left:2px solid var(--accent-primary);min-height:90px;color:var(--text-muted)}
.status{font-family:var(--mono);font-size:.82rem;color:var(--accent-secondary);min-height:1.4em;margin-top:10px}
/* footer */
.site-footer{background:var(--bg-surface);clip-path:ellipse(130% 100% at 50% 100%);padding:100px 24px 30px;margin-top:40px}
.foot-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
.flabel{font-size:.74rem;letter-spacing:.2em;color:var(--accent-primary);margin-bottom:.8em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:6px}
.site-footer a{color:var(--text-primary);text-decoration:none;background:linear-gradient(var(--accent-primary),var(--accent-primary)) 0 100%/0 1px no-repeat;transition:background-size .4s var(--ease-kinetic)}
.site-footer a:hover{background-size:100% 1px}
.legal-line{font-family:var(--mono);font-size:.78rem;color:var(--text-muted)}
.copy{max-width:1200px;margin:30px auto 0;padding-top:18px;border-top:1px solid var(--border-subtle);font-family:var(--mono);font-size:.8rem;color:var(--text-muted)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:all .7s var(--ease-kinetic)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
@media (min-width:1025px){.sec{padding:66px 44px}}
@media (max-width:1024px){.split{grid-template-columns:1fr}}
@media (max-width:768px){
.menu-btn{display:block}
.site-nav{position:absolute;left:0;right:0;top:100%;background:var(--bg-surface);max-height:0;overflow:hidden;border:0;transition:max-height .5s var(--ease-kinetic);box-shadow:var(--shadow-elevation)}
.site-nav.open{max-height:420px;border-bottom:2px solid var(--accent-primary)}
.site-nav ul{flex-direction:column;align-items:flex-start;padding:16px 24px 22px;gap:12px}
.flow{padding-left:44px;padding-right:14px}.flow::before{left:22px}.node{left:-35px;width:24px;height:24px}
.sec{padding:46px 18px}
.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}
@media (max-width:480px){body{font-size:16px}.hero{padding:34px 18px 56px}.foot-grid{grid-template-columns:1fr}.specimen{padding:18px}}