:root{
  --ink:#25211f;--muted:#665d58;--accent:#e95a2a;--accent-dark:#b83c17;
  --paper:#fff;--soft:#f8f5f2;--line:#e5d9d0;--dark:#151312;--max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
img{max-width:100%;height:auto;display:block} a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(9px);border-bottom:1px solid var(--line)}
.header-inner{height:84px;display:flex;align-items:center;gap:28px;justify-content:space-between}
.brand img{width:300px;max-height:66px;object-fit:contain;object-position:left center}
.nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:750}
.nav a{text-decoration:none}.nav a:hover{color:var(--accent)}
.menu-btn{display:none;border:0;background:transparent;font-size:28px}
.hero{padding:62px 0;background:#fff;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--accent-dark);font-size:13px;font-weight:800;margin-bottom:10px}
h1{font-size:clamp(42px,5.3vw,68px);line-height:1.03;letter-spacing:-.045em;margin:0 0 22px}
h2{font-size:clamp(27px,3vw,38px);line-height:1.15;letter-spacing:-.025em;margin:46px 0 16px}
h3{font-size:22px;line-height:1.25;margin:32px 0 10px}
.lead{font-size:21px;color:#554c47;max-width:760px}
.hero-image{border-radius:24px;aspect-ratio:4/3;object-fit:cover;background:#efeae6;border:1px solid var(--line)}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chip{border:1px solid #decabd;border-radius:999px;padding:8px 12px;font-size:13px;background:#fff}
.section{padding:64px 0}.section.soft{background:var(--soft)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;text-decoration:none;transition:.2s}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(47,33,24,.08)}
.card h3{margin-top:0}.card p{margin-bottom:0;color:var(--muted)}
.hub-card img{aspect-ratio:4/3;object-fit:cover;border-radius:14px;margin-bottom:18px}
.article{padding:52px 0 78px}.article-inner{max-width:860px;margin:auto}
.breadcrumb{font-size:13px;color:#7a6e67;margin-bottom:20px}.breadcrumb a{color:#7a6e67}
.article h1{font-size:clamp(38px,4.5vw,56px)} .article .lead{font-size:20px}
.article p,.article li{font-size:18px}.article ul{padding-left:1.35em}
.note{background:#fff8f4;border-left:4px solid var(--accent);padding:18px 20px;border-radius:10px;margin:28px 0}
.compare{overflow-x:auto;margin:28px 0}.compare table{width:100%;border-collapse:collapse;min-width:640px}
.compare th,.compare td{border:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}.compare th{background:var(--soft)}
.cta{margin:48px 0 0;background:var(--dark);color:#fff;border-radius:20px;padding:26px;display:flex;gap:24px;align-items:center;justify-content:space-between}
.cta img{width:170px;max-height:48px;object-fit:contain;object-position:left center}.cta p{margin:6px 0;color:#e7ded8;font-size:16px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;border-radius:10px;padding:11px 16px;font-weight:750;white-space:nowrap}
.footer{background:#11100f;color:#eee;padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer-logo{width:290px;max-height:70px;object-fit:contain;object-position:left center}
.footer .sf-logo{width:150px;max-height:42px;object-fit:contain;object-position:left center}
.footer a{color:#fff}.footer small{color:#bfb6b0}.footer-bottom{border-top:1px solid #3b3532;margin-top:34px;padding-top:18px;color:#bfb6b0;font-size:14px}
.form-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;margin:28px 0}
label{font-weight:700;display:block;margin:14px 0 6px} input,select,button{font:inherit}
input,select{width:100%;padding:12px;border:1px solid #cdbfb7;border-radius:9px;background:#fff}
button.calc{margin-top:18px;border:0;background:var(--accent);color:#fff;padding:12px 18px;border-radius:9px;font-weight:800;cursor:pointer}
.result{display:none;margin-top:22px;background:#fff6f1;border:1px solid #f0c9b7;border-radius:14px;padding:20px}
.visual-wall{height:240px;background:#eee7e2;border-radius:14px;position:relative;margin-top:20px;overflow:hidden;border:1px solid var(--line)}
.visual-tv{position:absolute;top:40px;left:50%;transform:translateX(-50%);height:68px;background:#1a1a1a;border-radius:4px}
.visual-fire{position:absolute;bottom:42px;left:50%;transform:translateX(-50%);height:28px;background:linear-gradient(90deg,#6f301f,var(--accent),#f69c41,var(--accent),#6f301f);border-radius:3px}
@media(max-width:980px){
  .header-inner{height:72px}.brand img{width:240px}.menu-btn{display:block}.nav{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;padding:22px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.nav.open{display:flex}
  .hero-grid{grid-template-columns:1fr}.hero{padding:42px 0}.grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta{align-items:flex-start;flex-direction:column}
}
@media(max-width:640px){
  .wrap{width:min(100% - 28px,var(--max))}.brand img{width:205px}
  h1{font-size:42px}.article h1{font-size:38px}.lead{font-size:18px}
  .grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.section{padding:46px 0}.article p,.article li{font-size:17px}
  .hero-image{border-radius:17px}.visual-wall{height:200px}
}