:root{--navy:#12385f;--navy2:#0b2948;--blue:#0742F4;--blue2:#0536c9;--text:#17304d;--muted:#627184;--line:#e4eaf0;--soft:#f5f7fa;--white:#fff;--green:#18a558;--shadow:0 14px 36px rgba(18,56,95,.10);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{background:var(--navy2);color:#dce7f4;font-size:.82rem}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(8,42,85,.08)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}.logo img{width:194px}.menu{display:flex;align-items:center;gap:26px;font-size:.91rem;font-weight:700}.menu a{color:#263d58}.menu a:hover,.menu a.active{color:var(--blue)}.nav-cta{padding:12px 18px;border-radius:9px;background:var(--blue);color:#fff!important}.hamburger{display:none;border:0;background:none;font-size:1.8rem;color:var(--navy);cursor:pointer}.page-hero{padding:62px 0 46px;background:linear-gradient(135deg,#f7faff,#eef4ff)}.crumbs{font-size:.82rem;color:#728198;margin-bottom:16px}.page-hero h1{margin:0 0 10px;color:var(--navy);font-size:clamp(2rem,4vw,3.3rem);line-height:1.05}.page-hero p{margin:0;max-width:760px;color:var(--muted);font-size:1.04rem}.section{padding:60px 0}.grid{display:grid;gap:20px}.brand-grid{grid-template-columns:repeat(3,1fr)}.brand-card,.category-card,.product-card{border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 24px rgba(18,56,95,.06);transition:.2s ease}.brand-card:hover,.category-card:hover,.product-card:hover{transform:translateY(-3px);border-color:#b7c9ff;box-shadow:var(--shadow)}.brand-card{padding:30px;min-height:210px;display:flex;flex-direction:column;justify-content:space-between}.brand-wordmark{font-weight:800;font-size:1.55rem;letter-spacing:-.03em;color:#154b89}.brand-card h2{margin:20px 0 4px;font-size:1.15rem}.brand-card p{margin:0;color:var(--muted);font-size:.92rem}.brand-card span,.category-card span{color:var(--blue);font-weight:800;font-size:.9rem}.notice{margin-top:28px;padding:15px 18px;border-radius:10px;background:#f7f9fc;border:1px solid var(--line);color:#5c6b7e;font-size:.88rem}.category-grid{grid-template-columns:repeat(4,1fr)}.category-card{padding:22px;min-height:155px;display:flex;flex-direction:column;justify-content:space-between}.category-icon{font-size:2rem}.category-card h3{margin:10px 0 5px;color:var(--navy)}.category-card p{margin:0 0 12px;color:var(--muted);font-size:.88rem}.toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap}.search{flex:1;min-width:250px;max-width:430px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:inherit}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:700;color:#526278;cursor:pointer}.chip.active{background:#eef3ff;color:var(--blue);border-color:#b9c9ff}.product-grid{grid-template-columns:repeat(4,1fr)}.product-card{overflow:hidden}.product-image{height:220px;background:#fff;display:flex;align-items:center;justify-content:center;padding:18px}.product-image img{max-height:100%;object-fit:contain}.product-image.placeholder{background:linear-gradient(145deg,#f8fafc,#eef2f7);color:#8b98a8;font-weight:800;text-align:center}.product-body{padding:18px}.product-brand{font-size:.72rem;font-weight:800;letter-spacing:.11em;color:var(--blue);text-transform:uppercase}.product-card h3{margin:6px 0 4px;font-size:1.06rem;color:var(--navy)}.product-meta{margin:0;color:var(--muted);font-size:.85rem}.product-spec{margin:12px 0 16px;font-weight:700;font-size:.9rem}.product-link{font-weight:800;color:var(--blue)}.detail{display:grid;grid-template-columns:46% 54%;gap:48px;align-items:start}.detail-media{border:1px solid var(--line);border-radius:14px;min-height:460px;padding:24px;display:flex;align-items:center;justify-content:center;background:#fff}.detail-media img{max-height:430px;object-fit:contain}.detail h1{font-size:clamp(2rem,3vw,2.8rem);line-height:1.08;margin:5px 0 8px;color:var(--navy)}.code{color:#728198;margin:0 0 22px}.description{font-size:1rem;color:#526278}.badge{display:inline-flex;padding:7px 10px;border-radius:8px;background:#fff7e8;border:1px solid #f3d9a8;color:#8b651b;font-weight:700;font-size:.8rem}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:9px;font-weight:800}.btn-primary{background:var(--blue);color:#fff}.btn-whatsapp{background:var(--green);color:#fff}.btn-outline{border:1px solid #b9c6d4;color:var(--navy)}.spec-wrap{margin-top:34px}.spec-wrap h2{color:var(--navy)}.spec-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.spec-table td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}.spec-table tr:last-child td{border-bottom:0}.spec-table td:first-child{width:46%;color:#5c6b7e;background:#fafbfd}.spec-table td:last-child{font-weight:700}.empty{padding:50px;text-align:center;color:var(--muted);border:1px dashed #cbd5e1;border-radius:14px}.footer{margin-top:70px;background:var(--navy2);color:#dce7f4;padding:34px 0}.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{color:#fff}.source-note{font-size:.8rem;color:#7c8999;margin-top:16px}.source-note a{color:var(--blue);font-weight:700}
@media(max-width:900px){.brand-grid{grid-template-columns:repeat(2,1fr)}.category-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.menu{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.menu.open{display:flex}.hamburger{display:block}.detail-media{min-height:320px}}
@media(max-width:560px){.container{width:min(100% - 28px,var(--max))}.brand-grid,.category-grid,.product-grid{grid-template-columns:1fr}.topbar .container{justify-content:center}.topbar .container span:last-child{display:none}.page-hero{padding:42px 0 34px}.section{padding:42px 0}.detail-media{min-height:260px}.actions .btn{width:100%}}

/* V3: product presentation refinements */
.detail{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:42px}
.detail>div{min-width:0}
.detail h1{font-size:clamp(1.9rem,2.55vw,2.65rem);overflow-wrap:anywhere}
.code{overflow-wrap:anywhere}
.equipment-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#6f8196;text-align:center}
.equipment-placeholder strong{font-size:1.05rem;color:#49627d}
.equipment-placeholder small{font-size:.78rem;font-weight:600;color:#93a0af}
.balance-icon{position:relative;width:118px;height:104px;margin-bottom:4px;opacity:.72}
.balance-icon .shield{position:absolute;left:24px;top:5px;width:62px;height:66px;border:3px solid #9aaabc;border-radius:5px;background:linear-gradient(135deg,rgba(255,255,255,.8),rgba(222,231,241,.35))}
.balance-icon .pan{position:absolute;left:15px;bottom:22px;width:82px;height:10px;border:3px solid #8195aa;border-radius:3px;background:#f8fafc}
.balance-icon .terminal{position:absolute;right:2px;bottom:2px;width:50px;height:30px;border:3px solid #8195aa;border-radius:5px;transform:skew(-10deg);background:#fff}
.detail-placeholder .balance-icon{transform:scale(1.45);margin-bottom:28px}
.detail-media.placeholder{background:linear-gradient(145deg,#fbfcfe,#f1f5f9)}
@media(max-width:900px){.detail{grid-template-columns:1fr;gap:30px}.detail h1{font-size:clamp(1.9rem,6vw,2.6rem)}}
.generic-icon{width:118px;height:92px;margin:0 auto 16px;position:relative;opacity:.62}.generic-icon:before,.generic-icon:after,.generic-icon span{content:"";position:absolute;border:3px solid #7f98b2;border-radius:8px}.generic-icon.balance:before{width:62px;height:62px;left:12px;top:0}.generic-icon.balance:after{width:72px;height:10px;left:4px;top:68px;border-radius:3px}.generic-icon.balance span{width:48px;height:28px;right:0;bottom:0;transform:skew(-8deg)}.generic-icon.moisture:before{width:78px;height:54px;left:15px;top:28px;border-radius:14px}.generic-icon.moisture:after{width:58px;height:12px;left:25px;top:10px;border-radius:50%}.generic-icon.moisture span{width:28px;height:18px;right:8px;bottom:14px}.generic-icon.thermal:before{width:58px;height:70px;left:30px;top:8px}.generic-icon.thermal:after{width:28px;height:28px;left:45px;top:29px;border-radius:50%}.generic-icon.thermal span{width:74px;height:8px;left:22px;bottom:2px;border-radius:3px}
/* V5: ficha técnica ampliada */
.info-block{margin-top:34px}.info-block h2{color:var(--navy);margin:0 0 14px}.feature-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.feature-list li{position:relative;padding:13px 16px 13px 42px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe;color:#465b73}.feature-list li:before{content:'✓';position:absolute;left:16px;top:12px;color:var(--blue);font-weight:900}.application-tags{display:flex;gap:9px;flex-wrap:wrap}.application-tags span{padding:9px 12px;border-radius:999px;background:#eef4ff;border:1px solid #d7e3ff;color:#294b73;font-size:.86rem;font-weight:700}.technical-note{margin-top:30px;padding:16px 18px;border-radius:10px;background:#f7f9fc;border-left:4px solid var(--blue);color:#5b6b7e}.technical-note strong{color:var(--navy)}.technical-note p{margin:5px 0 0;font-size:.88rem}.detail>div:last-child{min-width:0}.spec-table td:last-child{overflow-wrap:anywhere}

/* V6: fotografías oficiales de producto */
.product-image:not(.placeholder){background:#fff}.product-image img,.detail-media img{width:100%;height:100%;object-fit:contain;object-position:center}.detail-media:not(.placeholder){background:#fff}.image-error{background:linear-gradient(145deg,#f8fafc,#eef2f7)}