:root{
--canvas:#f7f7f4;
--canvas-soft:#fafaf7;
--surface-card:#ffffff;
--surface-strong:#e6e5e0;
--hairline:#e6e5e0;
--hairline-soft:#efeee8;
--hairline-strong:#cfcdc4;
--primary:#f54e00;
--primary-active:#d04200;
--ink:#26251e;
--body:#5a5852;
--muted:#807d72;
--muted-soft:#a09c92;
--on-primary:#ffffff;
--success:#1f8a65;
--error:#cf2d56;
--t-thinking:#dfa88f;
--t-grep:#9fc9a2;
--t-read:#9fbbe0;
--t-edit:#c0a8dd;
--t-done:#c08532;
--font-sans:'Inter',system-ui,'Helvetica Neue',Helvetica,Arial,sans-serif;
--font-mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--canvas);color:var(--body);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);font-weight:400;letter-spacing:-0.02em;line-height:1.2}
h1{font-size:72px;letter-spacing:-0.03em;line-height:1.1}
h2{font-size:36px;letter-spacing:-0.02em}
h3{font-size:26px;letter-spacing:-0.0125em;line-height:1.25}
h4{font-size:22px;line-height:1.3}
p{margin-bottom:16px}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.section{padding:80px 0}
.section-tight{padding:48px 0}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:16px;display:inline-block}

.site-nav{background:var(--canvas);border-bottom:1px solid var(--hairline)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.01em}
.wordmark:hover{text-decoration:none}
.wordmark .amp{color:var(--primary);padding:0 1px}
.wordmark-sm{font-size:18px}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--ink)}
.nav-link:hover{color:var(--primary);text-decoration:none}
.nav-cta{background:var(--primary);color:var(--on-primary);padding:10px 18px;border-radius:8px;font-weight:500}
.nav-cta:hover{background:var(--primary-active);color:var(--on-primary);text-decoration:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block}

.hero{background:var(--canvas);padding:80px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center}
.hero h1{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--body);max-width:46ch;margin-bottom:24px;letter-spacing:0.08px}
.hero-meta{font-size:13px;color:var(--muted);margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:500;font-size:14px;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:background .15s}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px}
.btn-primary:hover{background:var(--primary-active);text-decoration:none;color:var(--on-primary)}
.btn-dark{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px}
.btn-dark:hover{text-decoration:none;color:var(--canvas);opacity:.92}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);padding:10px 18px;height:40px}
.btn-secondary:hover{text-decoration:none;border-color:var(--ink)}
.btn-text{color:var(--ink);font-size:14px;font-weight:500;align-self:center}
.hero-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:420px;object-fit:cover}
figure{margin:0}
figcaption{font-size:13px;color:var(--muted);padding:12px 16px;line-height:1.4}

.band-soft{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.section-head{max-width:60ch;margin-bottom:32px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--body)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px}
.card h3{font-size:22px;margin-bottom:12px}
.card h4{font-size:18px;font-weight:600;margin-bottom:8px}
.card p{color:var(--body);font-size:15px}
.card-index{display:flex;flex-direction:column}
.card-img{border-radius:12px;overflow:hidden;border:1px solid var(--hairline);background:var(--surface-card)}
.card-img img{width:100%;height:200px;object-fit:cover}
.card-link{margin-top:16px;font-weight:500;color:var(--primary)}
.card-link:hover{color:var(--primary-active)}

.badge{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:9999px;padding:4px 10px;margin-bottom:12px}

.steps{counter-reset:step;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.step{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px;position:relative}
.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-mono);font-size:13px;color:var(--muted);display:block;margin-bottom:8px}
.step h4{font-size:18px;font-weight:600;margin-bottom:6px}
.step p{font-size:15px}

.spec{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;font-family:var(--font-mono);font-size:13px;color:var(--ink);line-height:1.5}
.spec .k{color:var(--muted)}

.checklist{list-style:none}
.checklist li{padding:10px 0;border-bottom:1px solid var(--hairline-soft);font-size:15px;color:var(--body);display:flex;gap:10px}
.checklist li:last-child{border-bottom:0}
.checklist li:before{content:'';width:8px;height:8px;border-radius:2px;background:var(--primary);margin-top:7px;flex-shrink:0}

.prose{max-width:none}
.article-hero{background:var(--canvas-soft);border-bottom:1px solid var(--hairline);padding:56px 0}
.article-wrap{display:grid;grid-template-columns:1fr 280px;gap:48px;padding:64px 0}
.article-body h2{font-size:30px;margin:32px 0 14px}
.article-body h3{font-size:22px;margin:24px 0 10px}
.article-body p{color:var(--body);margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 16px 20px;color:var(--body)}
.article-body li{margin-bottom:8px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.article-fig{margin:24px 0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.article-fig img{width:100%;height:360px;object-fit:cover}
.callout{background:var(--surface-card);border:1px solid var(--hairline);border-left:3px solid var(--t-done);border-radius:12px;padding:20px;margin:24px 0}
.callout h4{font-size:16px;font-weight:600;margin-bottom:6px}
.callout p{font-size:15px;margin:0}
.table-wrap{overflow-x:auto;margin:24px 0}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--hairline)}
th{color:var(--ink);font-weight:600;background:var(--canvas-soft)}
td{color:var(--body)}
.aside{position:sticky;top:24px;align-self:start}
.aside-box{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;margin-bottom:24px}
.aside-box h4{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.88px;color:var(--muted);margin-bottom:12px}
.aside-box a{display:block;font-size:14px;padding:6px 0;color:var(--ink)}
.refs{font-size:13px;color:var(--muted);margin-top:40px;border-top:1px solid var(--hairline);padding-top:20px}
.refs a{color:var(--ink);text-decoration:underline}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;height:44px;font-family:var(--font-sans);font-size:15px;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--ink)}
.field input.invalid{border-color:var(--error)}
.form-msg{font-size:14px;border-radius:8px;padding:12px 16px;margin-bottom:16px;display:none}
.form-msg.ok{display:block;background:rgba(31,138,101,.1);color:var(--success);border:1px solid var(--success)}
.btn-submit{width:100%}
.btn-submit[disabled]{opacity:.6;cursor:default}

.page-hero{background:var(--canvas-soft);border-bottom:1px solid var(--hairline);padding:56px 0}
.page-wrap{padding:56px 0;max-width:760px}
.page-wrap h2{font-size:28px;margin:28px 0 12px}
.page-wrap h3{font-size:20px;margin:20px 0 8px}
.page-wrap p,.page-wrap li{color:var(--body)}
.page-wrap ul{margin:0 0 16px 20px}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px}
.footer-head{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.88px;color:var(--muted);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--body);padding:5px 0}
.footer-note{font-size:14px;color:var(--body);margin-top:12px;max-width:34ch}
.footer-base{margin-top:40px;padding-top:24px;border-top:1px solid var(--hairline)}
.footer-small{font-size:13px;color:var(--muted);margin-bottom:8px}
.footer-disclaimer{max-width:80ch}

.cookie-banner{position:fixed;left:24px;right:24px;bottom:24px;background:var(--ink);color:var(--canvas);border-radius:12px;padding:20px 24px;display:none;align-items:center;justify-content:space-between;gap:24px;z-index:50;max-width:760px;margin:0 auto}
.cookie-banner.show{display:flex}
.cookie-banner p{margin:0;font-size:14px;color:var(--canvas);max-width:60ch}
.cookie-banner a{color:var(--canvas);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-actions .btn-primary{height:38px}
.cookie-actions .btn-ghost{background:transparent;color:var(--canvas);border:1px solid var(--muted);height:38px;padding:8px 16px}

@media(max-width:1024px){
h1{font-size:56px}
.hero-grid{grid-template-columns:1fr;gap:32px}
.article-wrap{grid-template-columns:1fr}
.aside{position:static}
}
@media(max-width:768px){
.nav-toggle{display:flex}
.nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--canvas);flex-direction:column;gap:0;border-bottom:1px solid var(--hairline);padding:8px 24px 16px;z-index:40}
.nav-menu.open{display:flex}
.nav-menu .nav-link{padding:12px 0;border-bottom:1px solid var(--hairline-soft);width:100%}
.nav-cta{display:inline-block;margin-top:8px;text-align:center}
.site-nav{position:relative}
.grid-3,.grid-2,.steps,.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.cookie-banner{flex-direction:column;align-items:flex-start}
}
@media(max-width:640px){
h1{font-size:32px}
h2{font-size:28px}
.hero-figure img{height:260px}
.footer-grid{grid-template-columns:1fr}
.section{padding:48px 0}
}