:root{--black:#0b0b0b;--offwhite:#f7f7f2;--muted:#bcbcb6;--gray:#2a2a28}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--black);color:var(--offwhite);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;line-height:1.6}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;background:rgba(11,11,11,.95);backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid #1a1a18;z-index:10}
.site-header .container{min-height:64px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--offwhite);text-decoration:none;font-size:18px}
.nav{display:flex;align-items:center;gap:8px;order:2}
.nav a{color:var(--offwhite);opacity:.9;text-decoration:none;font-size:15px;white-space:nowrap}

.menu-toggle{display:none;background:transparent;border:none;color:var(--offwhite);cursor:pointer;padding:8px;margin:-8px;order:3}
.menu-toggle svg{width:24px;height:24px;stroke:currentColor}
.menu-toggle .icon-close{display:none}
.menu-toggle[aria-expanded="true"] .icon-menu{display:none}
.menu-toggle[aria-expanded="true"] .icon-close{display:block}

@media(max-width:768px){
.site-header .container{align-items:flex-start}
.brand{order:1}
.menu-toggle{display:block;order:2}
.nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:12px 0 16px;border-top:1px solid #1a1a18;margin-top:12px;order:3}
.nav.open{display:flex}
.nav a{padding:12px 0;font-size:16px;border-bottom:1px solid #1a1a18}
.nav a:last-child{border-bottom:none}
.nav .btn{text-align:center;margin-top:8px;border:1px solid var(--offwhite)}
}

.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid var(--offwhite);background:transparent;color:var(--offwhite);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--offwhite);color:var(--black)}
.btn-outline{background:transparent}
.btn-solid{background:var(--offwhite);color:var(--black);border-color:var(--offwhite)}

.hero{padding:96px 0 64px;border-bottom:1px solid #1a1a18;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 12px}
.hero p{color:var(--muted);max-width:720px;margin:0 0 24px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}

.section{padding:56px 0;border-bottom:1px solid #1a1a18}
.section.alt{background:var(--offwhite);color:var(--black)}
.section.alt .muted{color:#4a4a46}
.section h2{font-size:28px;margin:0 0 8px}
.section p.muted{color:var(--muted);margin-top:0}

.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid.cols-3{grid-template-columns:1fr}.grid.cols-2{grid-template-columns:1fr}}

.card{border:1px solid #1a1a18;border-radius:14px;padding:18px;background:rgba(255,255,255,.02)}
.card.alt{background:#f2f2ee;border-color:#e4e4dc}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}

.icon{display:inline-flex;width:20px;height:20px;vertical-align:-4px;margin-right:8px;flex-shrink:0}
.icon svg{width:20px;height:20px;stroke:currentColor}
h3 .icon{width:24px;height:24px}
h3 .icon svg{width:24px;height:24px}

.features-list{display:grid;gap:12px;margin:16px 0}
.features-list .feature{display:flex;align-items:flex-start;gap:10px}
.features-list .feature .text{color:var(--muted);line-height:1.5}

.product-section{padding:72px 0}
.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.product-layout.reverse{direction:rtl}
.product-layout.reverse>*{direction:ltr}
@media(max-width:920px){.product-layout,.product-layout.reverse{grid-template-columns:1fr;gap:32px;direction:ltr}}

.product-image{position:relative;border-radius:16px;overflow:hidden;background:rgba(255,255,255,.03);border:1px solid #1a1a18}
.section.alt .product-image{background:#e8e8e2;border-color:#d4d4cc}
.product-image img{width:100%;height:auto;display:block}
.image-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;color:var(--muted);padding:48px}
.image-placeholder svg{width:64px;height:64px;opacity:.3;margin-bottom:12px}
.image-placeholder p{margin:0;font-size:14px}
.product-image img:not([src=""]):not([src$=".jpg"]):not([src$=".png"]):not([src$=".webp"])~.image-placeholder{display:none}

.product-content h2{font-size:32px;margin:0 0 12px}
.product-content .intro{font-size:17px;line-height:1.6;margin:0 0 28px;color:var(--offwhite)}
.section.alt .product-content .intro{color:var(--black)}
.product-content h3{font-size:20px;margin:32px 0 16px 0}
.product-cta{margin-top:28px}

.badge{display:inline-block;padding:4px 10px;background:rgba(255,255,255,.1);border-radius:6px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px}
.section.alt .badge{background:rgba(0,0,0,.08)}

.showcase-section{padding:72px 0}
.showcase-header{text-align:center;max-width:800px;margin:0 auto 48px}
.showcase-header h2{font-size:36px;margin:0 0 12px}
.showcase-header .intro{font-size:17px;color:var(--muted)}
.showcase-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
@media(max-width:920px){.showcase-grid{grid-template-columns:1fr;gap:32px}}

.showcase-image-large{border-radius:20px;overflow:hidden;background:rgba(255,255,255,.04);border:1px solid #1a1a18}
.showcase-image-large img{width:100%;height:auto;display:block}
.image-placeholder.large{min-height:500px}

.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:32px}
.spec-card{background:rgba(255,255,255,.03);border:1px solid #1a1a18;border-radius:12px;padding:16px;text-align:center}
.spec-label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.spec-value{font-size:22px;font-weight:700;margin-bottom:4px}
.spec-desc{font-size:13px;color:var(--muted)}

.feature-highlights h3{font-size:20px;margin:0 0 16px}
.features-list.compact{gap:10px}
.features-list.compact .feature .text{font-size:15px}

.showcase-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}

.contact-section{text-align:center;padding:80px 0}
.contact-content{max-width:700px;margin:0 auto}
.contact-content h2{font-size:36px;margin:0 0 16px}
.contact-content .intro{font-size:17px;color:var(--muted);margin:0 0 32px}
.btn-large{font-size:18px;padding:16px 32px;display:inline-flex;align-items:center;gap:12px}
.btn-large .icon{width:20px;height:20px;margin:0}
.contact-note{margin-top:16px;font-size:14px;color:var(--muted)}

.flash-wrapper{padding-top:12px}
.flash{border-radius:10px;padding:12px 14px;margin:10px 0}
.flash.success{background:#0d2; color:#061}
.flash.error{background:#f8d7da;color:#58151c}

.site-footer{padding:36px 0}
.footer-grid{display:grid;gap:20px;grid-template-columns:2fr 1fr}
.footer-heading{font-weight:600;margin-bottom:8px}
.legal{margin-top:12px;color:var(--muted);font-size:13px}