:root{
--canvas:#f7f7f4;
--canvas-soft:#fafaf7;
--surface-card:#ffffff;
--surface-strong:#e6e5e0;
--hairline:#e6e5e0;
--hairline-soft:#efeee8;
--hairline-strong:#cfcdc4;
--ink:#26251e;
--body:#5a5852;
--muted:#807d72;
--muted-soft:#a09c92;
--primary:#f54e00;
--primary-active:#d04200;
--on-primary:#ffffff;
--success:#1f8a65;
--error:#cf2d56;
--gold:#c08532;
--mint:#9fc9a2;
--blue:#9fbbe0;
--lavender:#c0a8dd;
--peach:#dfa88f;
--max:1200px;
--r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-pill:9999px;
--sp-section:80px;
--font-sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
margin:0;
background:var(--canvas);
color:var(--body);
font-family:var(--font-sans);
font-size:16px;
line-height:1.5;
letter-spacing:-0.15px;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{color:var(--ink);font-weight:400;line-height:1.2;margin:0 0 .5em;}
h1{font-size:48px;letter-spacing:-1.5px;}
h2{font-size:34px;letter-spacing:-0.72px;}
h3{font-size:24px;letter-spacing:-0.325px;}
h4{font-size:18px;font-weight:600;letter-spacing:0;}
p{margin:0 0 1em;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--canvas);padding:8px 14px;border-radius:var(--r-md);z-index:200;}
.skip-link:focus{left:16px;top:16px;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:48px 0;}
.eyebrow{display:inline-block;font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px;}
.lead{font-size:18px;color:var(--body);max-width:62ch;}

.top-nav{position:sticky;top:0;z-index:100;background:rgba(247,247,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--hairline);}
.nav-inner{max-width:var(--max);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);}
.brand:hover{text-decoration:none;}
.brand-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:var(--r-md);background:var(--primary);color:var(--on-primary);font-weight:600;font-size:16px;}
.brand-word{font-size:17px;letter-spacing:-0.4px;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-menu a{font-size:14px;font-weight:500;color:var(--ink);letter-spacing:0;}
.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;transition:.2s;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:1;cursor:pointer;border:1px solid transparent;border-radius:var(--r-md);padding:12px 18px;transition:.15s;text-decoration:none;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:var(--on-primary);}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary);}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong);}
.btn-secondary:hover{background:var(--canvas-soft);}
.btn-dark{background:var(--ink);color:var(--canvas);padding:13px 22px;}
.btn-dark:hover{background:#34332a;color:var(--canvas);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--hairline-strong);}
.btn-ghost:hover{background:var(--canvas-soft);}
.text-link{color:var(--ink);font-weight:500;border-bottom:1px solid var(--hairline-strong);}
.text-link:hover{border-color:var(--ink);text-decoration:none;}

.hero{padding:72px 0 56px;border-bottom:1px solid var(--hairline);}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero h1{font-size:56px;letter-spacing:-2px;margin-bottom:18px;}
.hero .lead{margin-bottom:26px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-figure{border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;background:var(--surface-card);}
.hero-figure img{width:100%;height:360px;object-fit:cover;}
.hero-figure figcaption{font-size:13px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--hairline-soft);}

.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--ink);background:var(--surface-strong);border-radius:var(--r-pill);padding:5px 11px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px;}
.card h3{font-size:20px;}
.card .kicker{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);}
.card-num{font-family:var(--font-mono);font-size:13px;color:var(--gold);margin-bottom:10px;}

.article-card{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.article-card img{height:180px;object-fit:cover;width:100%;border-bottom:1px solid var(--hairline);}
.article-card .ac-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.article-card h3{font-size:20px;margin:0;}
.article-card p{color:var(--body);margin:0;}
.article-card .ac-meta{margin-top:auto;font-size:13px;color:var(--muted);font-family:var(--font-mono);}

.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split img{border:1px solid var(--hairline);border-radius:var(--r-lg);width:100%;height:320px;object-fit:cover;}

.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.checklist li{position:relative;padding-left:28px;color:var(--body);}
.checklist li::before{content:"";position:absolute;left:0;top:7px;width:10px;height:10px;border-radius:var(--r-xs);background:var(--mint);}

.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--gold);border-radius:var(--r-md);padding:18px 20px;}
.callout strong{color:var(--ink);}

.codecard{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px;font-family:var(--font-mono);font-size:13px;color:var(--ink);overflow-x:auto;}
.codecard .ln{color:var(--muted-soft);}

.timeline{display:grid;gap:0;}
.tl-step{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--hairline-soft);}
.tl-step:last-child{border-bottom:0;}
.tl-pill{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--ink);border-radius:var(--r-pill);padding:5px 11px;height:fit-content;white-space:nowrap;}
.tl-1{background:var(--peach);}
.tl-2{background:var(--mint);}
.tl-3{background:var(--blue);}
.tl-4{background:var(--lavender);}
.tl-5{background:var(--gold);color:var(--on-primary);}

table.data{width:100%;border-collapse:collapse;background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;}
table.data caption{caption-side:bottom;font-size:13px;color:var(--muted);padding:10px;text-align:left;}
table.data th,table.data td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline-soft);font-size:15px;}
table.data th{background:var(--canvas-soft);color:var(--ink);font-weight:600;}
table.data tr:last-child td{border-bottom:0;}

.article-wrap{max-width:760px;margin:0 auto;}
.article-hero img{width:100%;height:340px;object-fit:cover;border:1px solid var(--hairline);border-radius:var(--r-lg);}
.article-hero figcaption{font-size:13px;color:var(--muted);margin-top:8px;}
.article-body h2{margin-top:40px;}
.article-body h3{margin-top:28px;font-size:20px;}
.article-body p,.article-body li{font-size:17px;line-height:1.65;letter-spacing:-0.1px;}
.article-body ul,.article-body ol{padding-left:22px;}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px;font-family:var(--font-mono);margin:10px 0 26px;}
.updated{color:var(--muted);font-size:13px;font-family:var(--font-mono);}
.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:28px;}

.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;}
.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field input{width:100%;height:44px;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:0 14px;font-family:var(--font-sans);font-size:15px;color:var(--ink);}
.field input:focus{outline:2px solid var(--primary);outline-offset:0;border-color:var(--primary);}
.field input:invalid:not(:placeholder-shown){border-color:var(--error);}
.form-note{font-size:13px;color:var(--muted);}
.form-status{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-md);font-size:14px;}
.form-status.show{display:block;}
.form-status.success{background:rgba(31,138,101,.1);color:var(--success);border:1px solid rgba(31,138,101,.3);}
.btn[disabled]{opacity:.6;cursor:not-allowed;}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

.contact-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;}
.contact-list li{font-size:15px;color:var(--body);}
.contact-list strong{color:var(--ink);}

.page-hero{padding:56px 0 0;}
.page-body{max-width:760px;}
.page-body h2{margin-top:36px;}
.page-body p,.page-body li{font-size:16px;line-height:1.65;}

.disclaimer{font-size:13px;color:var(--muted);border-top:1px solid var(--hairline);margin-top:40px;padding-top:18px;}

.to-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border-radius:var(--r-md);background:var(--ink);color:var(--canvas);border:0;font-size:18px;cursor:pointer;opacity:0;pointer-events:none;transition:.2s;z-index:90;}
.to-top.show{opacity:1;pointer-events:auto;}

.cookie-banner{position:fixed;left:20px;right:20px;bottom:20px;max-width:560px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-lg);padding:18px 20px;z-index:150;display:flex;flex-direction:column;gap:12px;}
.cookie-text{margin:0;font-size:14px;color:var(--body);}
.cookie-actions{display:flex;gap:10px;justify-content:flex-end;}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:56px 0 28px;margin-top:40px;}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-title{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px;}
.footer-link:hover{color:var(--ink);}
.footer-note{font-size:14px;color:var(--body);max-width:38ch;margin-top:12px;}
.footer-bottom{max-width:var(--max);margin:36px auto 0;padding:20px 24px 0;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:var(--muted);}

@media(max-width:1024px){
.hero h1{font-size:44px;}
.grid-3{grid-template-columns:repeat(2,1fr);}
.footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
.nav-toggle{display:flex;}
.nav-menu{position:absolute;top:64px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--hairline);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;display:none;}
.nav-menu.open{display:flex;}
.nav-menu a{padding:10px 0;width:100%;border-bottom:1px solid var(--hairline-soft);}
.hero-grid,.split,.grid-3,.grid-2,.contact{grid-template-columns:1fr;}
.hero h1{font-size:34px;letter-spacing:-1px;}
h2{font-size:28px;}
.section{padding:48px 0;}
.footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:520px){
.footer-inner{grid-template-columns:1fr;}
.cookie-actions{flex-direction:column;}
.cookie-actions .btn{width:100%;}
}