:root{
  --brand:#aeca0b;          /* Verde lima Smart Touch */
  --brand-ink:#7f9500;      /* Verde oscuro para texto/acentos sobre blanco */
  --brand-soft:#f2f6dd;     /* Verde muy claro para fondos sutiles */
  --gray:#929497;           /* Gris Smart Touch */
  --dark:#58595b;           /* Gris oscuro (titulares) */
  --ink:#4d4d4f;
  --muted:#8a8c8f;
  --line:#e6e7e9;
  --bg:#f5f6f7;
  --card:#ffffff;
  --ok:#5a8a00;
  --shadow:0 4px 18px rgba(60,64,67,.08);
  --shadow-lg:0 14px 40px rgba(60,64,67,.14);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.02em;text-decoration:none;color:var(--dark)}
.brand .dot{width:32px;height:32px;border-radius:50%;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:17px}
.brand b{color:var(--brand-ink)}
.brand small{font-size:13px;color:var(--muted);font-weight:500}
.header-actions{display:flex;gap:12px;align-items:center}
.btn{border:none;cursor:pointer;font-weight:700;border-radius:10px;padding:11px 18px;font-size:14px;transition:.18s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--brand);color:#2f3300}
.btn-primary:hover{background:#9db500;transform:translateY(-1px)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--dark)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-ink)}
.btn-wa{background:#25d366;color:#fff}
.btn-sm{padding:8px 14px;font-size:13px}

/* Hero (claro, no saturado) */
.hero{background:#fff;border-bottom:1px solid var(--line);padding:56px 0 46px;position:relative}
.hero .container{max-width:760px}
.hero .eyebrow{display:inline-block;background:var(--brand-soft);color:var(--brand-ink);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 14px;font-weight:800;letter-spacing:-.02em;color:var(--dark);line-height:1.12}
.hero h1 span{color:var(--brand-ink)}
.hero p{font-size:clamp(15px,2.4vw,18px);color:var(--muted);margin:0;max-width:620px}
.hero .stats{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}
.hero .stats b{display:block;font-size:26px;font-weight:800;color:var(--dark)}
.hero .stats span{font-size:13px;color:var(--muted)}

/* Toolbar */
.toolbar{margin-top:26px;position:relative;z-index:5}
.toolbar .panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid var(--line)}
.search-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.search-box{flex:1;min-width:240px;display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.search-box input{border:none;background:transparent;outline:none;font-size:15px;width:100%;color:var(--ink)}
.select{border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;background:#fff;color:var(--ink);cursor:pointer}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 15px;font-size:13px;cursor:pointer;color:var(--muted);transition:.15s;font-weight:700}
.chip:hover{border-color:var(--brand);color:var(--brand-ink)}
.chip.active{background:var(--brand);color:#2f3300;border-color:transparent}
.result-count{color:var(--muted);font-size:14px;margin:22px 0 6px}

/* Grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;padding:6px 0 60px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;cursor:pointer;transition:.2s;display:flex;flex-direction:column;border:1px solid var(--line)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand)}
.card .thumb{height:150px;background:#eef0f1;position:relative;display:flex;align-items:center;justify-content:center;color:var(--gray);overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .ph{font-size:44px;opacity:.85}
.card .thumb .cat{position:absolute;top:12px;left:12px;background:#fff;color:var(--dark);font-size:11px;font-weight:700;padding:5px 10px;border-radius:999px;letter-spacing:.02em;box-shadow:0 1px 4px rgba(0,0,0,.08)}
.card .thumb .fav{position:absolute;top:12px;right:12px;background:var(--brand);color:#2f3300;font-size:11px;font-weight:800;padding:5px 9px;border-radius:999px}
.card .body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em;color:var(--dark)}
.card .desc{color:var(--muted);font-size:13.5px;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.tag{background:var(--bg);color:var(--muted);font-size:11px;padding:4px 9px;border-radius:8px;font-weight:600}
.card .more{margin-top:12px;color:var(--brand-ink);font-weight:800;font-size:13px}

/* Modal */
.modal-back{position:fixed;inset:0;background:rgba(40,42,44,.55);backdrop-filter:blur(3px);display:none;align-items:flex-start;justify-content:center;z-index:60;padding:30px 16px;overflow-y:auto}
.modal-back.open{display:flex}
.modal{background:#fff;border-radius:18px;max-width:820px;width:100%;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .22s ease}
@keyframes pop{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal .head{background:var(--dark);color:#fff;padding:26px 30px;position:relative}
.modal .head:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--brand)}
.modal .head .cat{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.05em}
.modal .head h2{margin:6px 0 0;font-size:26px}
.modal .close{position:absolute;top:18px;right:18px;background:rgba(255,255,255,.18);border:none;color:#fff;width:36px;height:36px;border-radius:50%;font-size:20px;cursor:pointer;line-height:1}
.modal .close:hover{background:rgba(255,255,255,.32)}
.modal .content{padding:26px 30px 30px}
.section{margin-bottom:24px}
.section h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--brand-ink);font-weight:800}
.section p{margin:0;color:var(--ink);font-size:15px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.spec-list{list-style:none;margin:0;padding:0}
.spec-list li{padding:6px 0 6px 22px;position:relative;font-size:14px;color:var(--ink);border-bottom:1px dashed var(--line)}
.spec-list li:before{content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.hw-box{background:var(--bg);border-radius:12px;padding:14px 16px}
.hw-box.optimo{border:1.5px solid var(--brand)}
.hw-box .lbl{font-size:12px;font-weight:800;text-transform:uppercase;color:var(--muted);margin-bottom:6px;letter-spacing:.03em}
.hw-box.optimo .lbl{color:var(--brand-ink)}

/* Checklist material */
.checklist{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.checklist .row{display:flex;align-items:flex-start;gap:12px;padding:12px 15px;border-bottom:1px solid var(--line);font-size:14px}
.checklist .row:last-child{border-bottom:none}
.checklist .row:nth-child(even){background:#fafbf5}
.check{width:20px;height:20px;border:2px solid var(--brand);border-radius:6px;flex-shrink:0;margin-top:2px}
.chk-material{font-weight:700;color:var(--dark)}
.chk-spec{color:var(--muted);font-size:13px}
.fmt-badge{display:inline-block;background:var(--brand);color:#2f3300;font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;margin-left:4px}
.modal .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;padding-top:22px;border-top:1px solid var(--line)}

/* Footer */
.site-footer{background:var(--dark);color:#d7d8da;padding:40px 0;margin-top:20px;font-size:14px}
.site-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.site-footer b{color:#fff}
.site-footer a{color:var(--brand);text-decoration:none}

.empty{text-align:center;padding:70px 20px;color:var(--muted)}
@media(max-width:640px){.two-col{grid-template-columns:1fr}.modal .head h2{font-size:22px}}