/* CASAERA — sober corporate stylesheet. No external fonts, no JS. */
:root{--ink:#1c2430;--ink-2:#4a5566;--muted:#6b7585;--line:#e3e7ec;--bg:#ffffff;--bg-alt:#f5f7f9;--accent:#1f5f5b;--accent-ink:#ffffff;--max:1180px;--r:10px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 "Inter","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(2rem,4.2vw,3.1rem);font-weight:700}h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:650}h3{font-size:1.1rem;font-weight:650}
p{margin:0 0 1em}.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.muted{color:var(--muted)}.small{font-size:.9rem}.kicker{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:600;color:var(--accent);margin-bottom:1rem}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:62ch}.prose{max-width:74ch}.prose h2{margin-top:2rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:.8rem 1.4rem;border-radius:6px;font-weight:600;border:1px solid var(--accent)}
.btn.ghost{background:transparent;color:var(--accent)}.btn+.btn{margin-left:.6rem}.link{color:var(--accent);font-weight:600}
.preview{background:#b45309;color:#fff;text-align:center;font-size:.85rem;font-weight:600;padding:.45rem 1rem;letter-spacing:.02em}
/* header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem}
.nav{display:flex;gap:1.6rem;font-size:.95rem;font-weight:500;color:var(--ink-2)}.nav a[aria-current]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent)}
.nav a:hover{color:var(--ink)}.nav-toggle,.nav-burger{display:none}
@media(max-width:900px){.nav-burger{display:block;width:40px;height:40px;position:relative;cursor:pointer}.nav-burger span,.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:8px;width:24px;height:2px;background:var(--ink);top:19px}.nav-burger span::before{top:-7px;left:0}.nav-burger span::after{top:7px;left:0}
.nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:.5rem 0}.nav a{padding:.8rem clamp(16px,4vw,32px);border-top:1px solid var(--line)}.nav-toggle:checked~.nav{display:flex}}
/* sections */
.section{padding:clamp(2.6rem,6vw,4.5rem) 0}.section.alt{background:var(--bg-alt)}.sec-head{margin-bottom:1.6rem}.sec-head h2{margin-bottom:.2em}
.page-head{padding:clamp(2.6rem,6vw,4.5rem) 0 clamp(1rem,3vw,2rem);border-bottom:1px solid var(--line)}
.grid-2,.grid-3,.grid-4{display:grid;gap:1.4rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.pillar{padding:1.4rem;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}.pillar h3{margin-bottom:.4em}.pillar p{margin:0;color:var(--ink-2);font-size:.95rem}
/* hero */
.hero{padding:clamp(2.5rem,6vw,5rem) 0;background:linear-gradient(180deg,var(--bg-alt),var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero-brands{display:flex;gap:2rem;align-items:center;margin-top:2rem;opacity:.85}.hero-brands img{height:26px;width:auto}
.actions{margin-top:1.6rem}
.hero-visual{display:grid;gap:.8rem}.hv-main{border-radius:var(--r);aspect-ratio:2.6/1;object-fit:cover;width:100%}
.hv-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}.hv-strip img{background:#fff;border:1px solid var(--line);border-radius:var(--r);aspect-ratio:1;object-fit:contain;padding:8%}
/* tiles (ranges) */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.tiles .tile:first-child{grid-column:span 2}
@media(max-width:980px){.tiles{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.tiles{grid-template-columns:1fr}.tiles .tile:first-child{grid-column:auto}}
.tile{position:relative;display:block;border-radius:var(--r);overflow:hidden;aspect-ratio:1.6/1;background:#ddd}.tile img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.tile:hover img{transform:scale(1.03)}
.tile-label{position:absolute;left:0;right:0;bottom:0;padding:2.2rem 1rem .9rem;background:linear-gradient(180deg,transparent,rgba(20,28,38,.78));color:#fff;font-weight:600;font-size:1.02rem}
/* cards */
.cards{display:grid;gap:1rem}.cards-4{grid-template-columns:repeat(4,1fr)}@media(max-width:980px){.cards-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.cards-4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);overflow:hidden}.card-img{aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:10%}.card-img img{width:100%;height:100%;object-fit:contain}
.card-body{padding:.9rem 1rem 1.1rem;border-top:1px solid var(--line)}.card-body h3{font-size:.98rem;margin:0;font-weight:600}
.tag{display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:.35rem}
/* brands */
.brand-card{padding:1.6rem;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}.brand-card img{height:40px;width:auto;margin-bottom:.8rem}.brand-card p:last-child{margin:0}
.brand-row{display:grid;grid-template-columns:1fr 2fr;gap:2rem;align-items:start}.brand-row>div:first-child img{height:44px;width:auto;margin-bottom:.8rem}
@media(max-width:900px){.brand-row{grid-template-columns:1fr}}
/* ranges page */
.range-banner{position:relative;border-radius:var(--r);overflow:hidden;margin-bottom:1.2rem;aspect-ratio:2.6/1;background:#ddd}.range-banner img{width:100%;height:100%;object-fit:cover}
.range-cap{position:absolute;left:0;right:0;bottom:0;padding:2.4rem clamp(1rem,3vw,2rem) 1.2rem;background:linear-gradient(180deg,transparent,rgba(20,28,38,.82));color:#fff}.range-cap h2{margin-bottom:.2em}.range-cap p{margin:0;max-width:70ch;opacity:.92}
@media(max-width:600px){.range-banner{aspect-ratio:1.6/1}.range-cap p{display:none}}
/* marketplaces */
.marketplaces{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.8rem}
.marketplaces li{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:.9rem 1.4rem;font-weight:650;color:var(--ink-2);letter-spacing:.01em;display:flex;align-items:center;min-height:56px}
.marketplaces li img{height:26px;width:auto}.marketplaces.big li{padding:1.3rem 2rem;font-size:1.1rem;min-height:72px}.marketplaces.big li img{height:34px}
/* steps / lists */
.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 1.6rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}@media(max-width:800px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:s;padding:1.2rem 1.2rem 1.2rem 3.4rem;position:relative;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}
.steps li::before{content:counter(s);position:absolute;left:1.1rem;top:1.05rem;width:1.7rem;height:1.7rem;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center}
.contact-list{display:grid;gap:1rem;margin:0 0 1.2rem}.contact-list dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.contact-list dd{margin:0;font-size:1.05rem}
.cta{text-align:center}.cta .lead{margin:0 auto 1.2rem}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:3rem 0 1.5rem;background:var(--bg-alt);font-size:.95rem}
.foot-logo{margin-bottom:.8rem;opacity:.9}.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}.foot-links a{color:var(--ink-2)}.foot-links a:hover{color:var(--ink)}
.langs a{margin-right:.6rem;color:var(--muted)}.langs a[aria-current]{color:var(--ink);font-weight:600}
.copy{margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--ink-2);font-size:.85rem}
/* legal pages */
.updated{margin-top:.4rem}
.id-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem 2rem;margin:0 0 2rem;padding:1.4rem 1.6rem;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-alt)}
@media(max-width:640px){.id-list{grid-template-columns:1fr}}
.id-list dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.id-list dd{margin:0;font-size:1rem}
.legal-list{padding-left:1.2rem;margin:0 0 1.2rem}.legal-list li{margin-bottom:.6rem;color:var(--ink-2)}
.prose h2{font-size:1.25rem;margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--line)}.prose h2:first-child{border-top:0;padding-top:0;margin-top:0}