: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;
  --peach:#dfa88f;
  --lavender:#c0a8dd;
  --maxw:1200px;
  --r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-pill:9999px;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--canvas);
  color:var(--body);
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.15px;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);font-weight:400;letter-spacing:-0.72px;line-height:1.2}
h1{font-size:72px;letter-spacing:-2.16px;line-height:1.1}
h2{font-size:36px}
h3{font-size:26px;letter-spacing:-0.325px;line-height:1.25}
h4{font-size:22px;letter-spacing:-0.11px;line-height:1.3}
p{margin-bottom:16px}
section{padding:80px 0}

.label{
  font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;display:block;
}

/* nav */
.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:50}
.top-nav .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.wordmark{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.3px}
.wordmark .mark{width:14px;height:14px;border-radius:3px;background:var(--primary);display:inline-block}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:6px 10px;cursor:pointer;font-size:18px;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:500;font-size:14px;border-radius:var(--r-md);cursor:pointer;border:1px solid transparent;transition:background .15s,color .15s}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px}
.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);padding:10px 18px;height:40px}
.btn-secondary:hover{color:var(--ink);border-color:var(--ink)}
.btn-dark{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px}
.btn-dark:hover{color:var(--canvas);background:#000}

/* hero */
.hero{background:var(--canvas);padding-top:72px;padding-bottom:72px}
.hero .label{color:var(--muted)}
.hero p.lead{font-size:18px;max-width:640px;color:var(--body);margin-top:8px}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-figure{margin-top:48px;border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:440px;object-fit:cover}
figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}

/* grid */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px}
.card h3{font-size:22px;margin-bottom:12px}
.card .badge{margin-bottom:14px}
.card p{margin-bottom:0;font-size:15px}
.card-media{padding:0;overflow:hidden}
.card-media img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid var(--hairline)}
.card-media .card-body{padding:24px}

.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:var(--r-pill);padding:4px 10px}

.section-head{max-width:720px;margin-bottom:48px}
.section-head p{font-size:16px;color:var(--body);margin-bottom:0}

/* article body */
.article-head{padding:64px 0 0}
.article-meta{font-size:13px;color:var(--muted);margin-top:16px}
.article-figure{margin:40px 0;border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;background:var(--surface-card)}
.article-figure img{width:100%;height:420px;object-fit:cover}
.prose{max-width:760px}
.prose h2{font-size:28px;margin:40px 0 16px}
.prose h3{font-size:20px;margin:28px 0 12px}
.prose p{color:var(--body)}
.prose ul,.prose ol{margin:0 0 16px 22px;color:var(--body)}
.prose li{margin-bottom:8px}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:var(--r-md);padding:16px 20px;margin:24px 0}
.callout strong{color:var(--ink)}
.spec-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.spec-table th,.spec-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--hairline)}
.spec-table th{color:var(--ink);font-weight:600;background:var(--canvas-soft)}
.refs{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline)}
.refs a{color:var(--primary);word-break:break-word}

.related{border-top:1px solid var(--hairline);background:var(--canvas)}

/* form */
.contact{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:32px;max-width:560px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:12px 16px;height:44px;font-family:var(--sans);font-size:15px;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--primary)}
.field input:invalid:not(:placeholder-shown){border-color:var(--error)}
.form-status{margin-top:8px;font-size:14px;font-weight:600;color:var(--success);display:none}
.form-status.show{display:block}

/* footer */
.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:48px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer h5{font-size:11px;text-transform:uppercase;letter-spacing:0.88px;color:var(--muted);font-weight:600;margin-bottom:16px}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer a{font-size:14px;color:var(--body)}
.footer .about p{font-size:14px;color:var(--body);max-width:320px}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:40px;padding-top:24px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* cookie */
.cookie{position:fixed;left:24px;right:24px;bottom:24px;max-width:560px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-lg);padding:20px 24px;z-index:100;display:none}
.cookie.show{display:block}
.cookie p{font-size:14px;color:var(--body);margin-bottom:16px}
.cookie-actions{display:flex;gap:12px}

@media(max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.5px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-figure img{height:360px}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--canvas);border-bottom:1px solid var(--hairline);padding:16px 24px;gap:18px;align-items:flex-start}
  .nav-links.open{display:flex}
  .nav-toggle{display:inline-block}
}
@media(max-width:640px){
  h1{font-size:32px;letter-spacing:-1px}
  h2{font-size:28px}
  section{padding:56px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-figure img{height:240px}
}