:root{--ink:#1C1A17;--paper:#F6F4EF;--card:#FFFFFF;--steel:#6E6A63;--line:#E4E0D7;
--amber:#E8A13D;--amber-deep:#B87A1F;--ok:#3E7C4F;--r:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--amber-deep)}
img{max-width:100%;display:block}
h1,h2,h3,.brand-name{font-family:'Archivo',system-ui,sans-serif;letter-spacing:-.01em}
h1{font-weight:900;font-size:clamp(30px,5.6vw,54px);line-height:1.06}
h2{font-weight:900;font-size:clamp(23px,3.4vw,32px);line-height:1.15;margin-bottom:10px}
h3{font-weight:700;font-size:19px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--amber-deep)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber)}
.level{position:relative;display:inline-block;padding-bottom:10px}
.level::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;background:linear-gradient(90deg,var(--amber),var(--amber-deep))}
.level::before{content:"";position:absolute;left:64px;bottom:-2.5px;width:8px;height:8px;border-radius:50%;background:var(--amber)}
/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(246,244,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--ink);display:grid;place-items:center;color:var(--amber);font-family:'Archivo';font-weight:900;font-size:17px}
.brand-name{font-weight:900;font-size:19px}
.brand-name b{color:var(--amber-deep)}
.nav-links{display:flex;gap:20px;align-items:center;font-size:14.5px;font-weight:600}
.nav-links a{color:var(--ink);text-decoration:none}
.nav-links a:hover{color:var(--amber-deep)}
.nav-cta{background:var(--ink);color:#fff!important;padding:9px 16px;border-radius:999px}
.lang a{color:var(--steel);text-decoration:none;font-weight:700;font-size:13px}
.lang b{color:var(--amber-deep);font-size:13px}
@media(max-width:860px){.nav-links{display:none}}
/* hero */
.hero{padding:64px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero p.lead{margin:18px 0 26px;font-size:18.5px;color:#3d3a35;max-width:52ch}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 22px;border-radius:12px;font-weight:800;text-decoration:none;font-size:16px;border:2px solid transparent}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:0 8px 22px rgba(232,161,61,.35)}
.btn-amber:hover{background:#f0ac4a}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.facts{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.fact b{display:block;font-family:'Archivo';font-weight:900;font-size:26px}
.fact span{font-size:13px;color:var(--steel)}
/* facade cross-section — signature */
.section-cut{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:0 18px 50px rgba(28,26,23,.08)}
.cut-title{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-bottom:14px;display:flex;justify-content:space-between}
.cut-title i{font-style:normal;color:var(--amber-deep)}
.layer{display:grid;grid-template-columns:1fr 118px;align-items:center;gap:12px;margin:7px 0}
.layer .bar{height:34px;border-radius:7px;position:relative;overflow:hidden;transition:transform .18s}
.layer:hover .bar{transform:translateX(6px)}
.layer small{font-size:12.5px;color:var(--steel);text-align:left;line-height:1.3}
.b-apdare{background:repeating-linear-gradient(90deg,#4b4741 0 22px,#3c3934 22px 24px)}
.b-lat{background:repeating-linear-gradient(90deg,#C89B6B 0 14px,#B3854F 14px 26px)}
.b-vejs{background:linear-gradient(90deg,#8fae9d,#7d9c8b)}
.b-vate{background:repeating-linear-gradient(45deg,#E9D9A8 0 8px,#E2CD8F 8px 16px)}
.b-siena{background:repeating-linear-gradient(90deg,#c9c2b6 0 30px,#bdb5a8 30px 32px,#c9c2b6 32px 62px,#bdb5a8 62px 64px)}
.gap-air{height:12px;border-radius:6px;border:2px dashed var(--amber);background:rgba(232,161,61,.08)}
/* sections */
section{padding:52px 0}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}.hero .wrap{grid-template-columns:1fr}}
@media(max-width:560px){.g3,.g2,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--ink);display:block;transition:border-color .15s, transform .15s}
a.card:hover{border-color:var(--amber);transform:translateY(-2px)}
.card .ic{font-size:26px}
.card h3{margin:10px 0 6px}
.card p{font-size:14.5px;color:var(--steel)}
.dark{background:var(--ink);color:var(--paper)}
.dark h2{color:#fff}
.dark .card{background:#26231F;border-color:#3a362f;color:var(--paper)}
.dark .card p{color:#B7B1A6}
.steps .card{position:relative;padding-top:26px}
.steps .num{position:absolute;top:-14px;left:20px;background:var(--amber);color:var(--ink);font-family:'Archivo';font-weight:900;border-radius:9px;padding:4px 11px;font-size:15px}
/* content pages */
.page-head{padding:56px 0 26px}
.page-head p.lead{margin-top:14px;font-size:18px;color:#3d3a35;max-width:62ch}
article.body{max-width:780px}
article.body h2{margin-top:34px}
article.body ul{padding-left:22px;margin:12px 0}
article.body li{margin:5px 0}
article.body p{margin:12px 0}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 17px;margin:9px 0}
summary{font-weight:700;cursor:pointer}
details p{margin:9px 0 3px;color:#44403a}
/* calculator */
.calc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 50px rgba(28,26,23,.08);overflow:hidden}
.calc-head{background:var(--ink);color:var(--paper);padding:16px 22px;display:flex;justify-content:space-between;align-items:center;font-family:'Archivo',system-ui,sans-serif;font-weight:700}
.calc-head .no{color:var(--amber);font-size:13px;letter-spacing:.1em}
.calc-body{padding:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);margin-bottom:6px}
.field select,.field input[type=number]{width:100%;padding:13px 14px;font-size:16px;border:1.5px solid var(--line);border-radius:11px;background:var(--paper);color:var(--ink)}
.field select:focus,.field input:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.chk{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.chk input{width:19px;height:19px;accent-color:var(--amber-deep)}
.calc-rows{border-top:2px solid var(--ink);margin-top:18px}
.crow{display:flex;justify-content:space-between;gap:10px;padding:11px 2px;border-bottom:1px dashed var(--line);font-size:15.5px}
.crow b{font-variant-numeric:tabular-nums;white-space:nowrap}
.crow.total{border-bottom:none;padding-top:14px;font-family:'Archivo';font-weight:900;font-size:20px;align-items:center}
.crow.total b{color:var(--amber-deep);font-size:24px}
.calc-note{font-size:13px;color:var(--steel);margin-top:12px}
.calc-cta{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
/* footer */
footer{background:var(--ink);color:#CFC9BE;padding:56px 0 30px;margin-top:40px}
footer h4{color:#fff;font-size:15px;margin-bottom:10px}
footer a{color:#CFC9BE;text-decoration:none;display:block;padding:3px 0;font-size:14.5px}
footer a:hover{color:var(--amber)}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px}
@media(max-width:860px){.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.f-grid{grid-template-columns:1fr}}
.f-bottom{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid #3a362f;margin-top:28px;padding-top:18px;font-size:13px;color:#98928a}
.badge-siteai{text-align:center;font-size:13px;color:#98928a;margin-top:16px}
.badge-siteai a{display:inline;color:var(--amber);font-weight:700}
.f-seo{font-size:12px;color:#6f6a62;margin-top:14px;line-height:1.5}
/* mobile call bar */
.mbar{position:fixed;left:0;right:0;bottom:0;display:none;z-index:60;background:var(--ink);padding:10px 14px;gap:10px}
.mbar a{flex:1;text-align:center;padding:12px;border-radius:11px;font-weight:800;text-decoration:none;font-size:15px}
.mbar .c{background:var(--amber);color:var(--ink)}
.mbar .w{background:#25D366;color:#fff}
@media(max-width:720px){.mbar{display:flex}body{padding-bottom:64px}}
.tools-block{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:10px 0 0}
.tools-block .grid a{font-size:14px;font-weight:700;padding:12px 14px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

/* photos */
.photos{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:22px 0 6px}
.photos figure{margin:0}
.photos img{width:100%;height:250px;object-fit:cover;border-radius:14px;border:1px solid var(--line);display:block}
.photos figcaption{font-size:12.5px;color:var(--steel);margin-top:6px}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
@media(max-width:900px){.gal{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gal{grid-template-columns:1fr}}
.gal a{position:relative;display:block;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.gal img{width:100%;height:270px;object-fit:cover;display:block;transition:transform .25s}
.gal a:hover img{transform:scale(1.045)}
.gal span{position:absolute;left:12px;bottom:12px;background:rgba(28,26,23,.84);color:#fff;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:700}