/* ════════════════════════════════════════════════
   CID · Catálogo público — Tensión Monumental
   ════════════════════════════════════════════════ */

:root{
  --bg:#0d1117;--bg2:#161b22;
  --ink:#e6edf3;--ink2:#8b949e;--ink3:#6e7681;
  --rule:#30363d;
  --orange:#84cc16;--red:#e74c3c;
  --lime:#84cc16;--lime-bright:#a3e635;
  --grommet:#4a5d2a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 18px}

/* ═══ Top bar ═══ */
.topbar{background:#0e0e10;border-bottom:1px solid var(--rule);padding:7px 0;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3)}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar strong{color:var(--ink2);font-weight:600}

/* ═══ Header ═══ */
header.site{background:var(--bg);border-bottom:1px solid var(--rule);padding:16px 0;position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{height:34px;flex:0 0 auto}
.brand-txt{line-height:1.1;min-width:0;font-family:'Futura','Futura PT','Century Gothic','Avenir Next','URW Gothic',sans-serif}
.brand-txt .b1{font-size:15px;font-weight:700;letter-spacing:.14em}
.brand-txt .b2{font-size:10px;color:var(--ink3);letter-spacing:.2em;text-transform:uppercase;margin-top:2px}
.nav-cta{display:flex;gap:8px;align-items:center}

/* ═══ Botones ═══ */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:2px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .2s,color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:#25D366;color:#0a0a0a}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn-orange{background:var(--orange);color:#15100b}

/* ═══ Breadcrumb ═══ */
.crumbs{padding:14px 0;border-bottom:1px solid var(--rule);font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3)}
.crumbs a:hover{color:var(--orange)}
.crumbs .sep{margin:0 8px}
.crumbs .cur{color:var(--ink)}

/* ═══ Hero categoría ═══ */
.cat-hero{
  padding:72px 0 56px;border-bottom:1px solid var(--rule);position:relative;overflow:hidden;
  background:
    radial-gradient(ellipse 80% 60% at 30% 0%, var(--cat-glow, rgba(230,126,34,.08)), transparent 70%),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(255,255,255,.015) 59px 60px),
    repeating-linear-gradient(0deg, transparent 0 59px, rgba(255,255,255,.015) 59px 60px),
    var(--bg);
}
.cat-hero .spec-top{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--rule);padding-bottom:10px;margin-bottom:36px;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink3);gap:10px;flex-wrap:wrap}
.cat-hero h1{font-family:'Big Shoulders Display','Oswald',Impact,sans-serif;font-weight:800;font-size:clamp(64px,15vw,190px);line-height:.86;letter-spacing:-.01em;color:var(--cat-color,var(--orange));text-transform:uppercase}
.cat-hero h1 .dot{color:var(--cat-accent,var(--red))}
.cat-hero .intro{max-width:640px;margin-top:22px;font-size:clamp(15px,1.6vw,17px);color:var(--ink2)}
.cat-hero .meta{margin-top:42px;padding-top:16px;border-top:1px solid var(--rule);display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase}
.cat-hero .meta div{color:var(--ink3)}
.cat-hero .meta div strong{display:block;color:var(--ink);font-size:12px;margin-top:4px;letter-spacing:.1em}

/* ═══ Productos ═══ */
section.products{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--rule);padding-bottom:14px;margin-bottom:32px;gap:10px;flex-wrap:wrap}
.section-head h2{font-family:'Big Shoulders Display','Oswald',Impact,sans-serif;font-size:clamp(26px,4vw,42px);font-weight:700;letter-spacing:.02em;text-transform:uppercase}
.section-head .index{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink3)}

.prod-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:720px){.prod-grid{grid-template-columns:1fr 1fr}}

.prod{background:var(--bg2);border:1px solid var(--rule);display:flex;flex-direction:column;overflow:hidden;transition:border-color .25s,transform .25s}
.prod:hover{border-color:var(--orange);transform:translateY(-2px)}
.prod .visual{position:relative;aspect-ratio:16/9;overflow:hidden;display:flex;align-items:flex-end;padding:22px;background:var(--bg)}
.prod .visual::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg, var(--c1) 0%, var(--c2) 100%),repeating-linear-gradient(45deg, transparent 0 12px, rgba(0,0,0,.08) 12px 14px);background-blend-mode:multiply}
.prod .visual::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg, transparent 0 39px, rgba(0,0,0,.12) 39px 40px),linear-gradient(180deg, transparent 40%, rgba(0,0,0,.5) 100%)}
.prod .visual .mono{position:relative;z-index:2;font-family:'Big Shoulders Display','Oswald',Impact,sans-serif;font-size:clamp(38px,6.5vw,80px);font-weight:800;line-height:.86;letter-spacing:-.01em;color:#f6efe1;text-transform:uppercase;text-shadow:0 4px 20px rgba(0,0,0,.35)}
.prod .visual .tag{position:absolute;top:16px;left:18px;z-index:2;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.85);background:rgba(0,0,0,.35);padding:4px 8px;border:1px solid rgba(255,255,255,.2)}

.prod .body{padding:22px 24px 20px}
.prod h3{font-size:20px;font-weight:700;letter-spacing:.02em;margin-bottom:6px}
.prod .sub{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;color:var(--ink3);letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.prod p.desc{color:var(--ink2);font-size:14px;line-height:1.6;margin-bottom:16px}
.specs{border-top:1px solid var(--rule);padding-top:14px;margin-bottom:18px}
.specs .row{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:6px 0;border-bottom:1px dashed var(--rule);font-size:12.5px}
.specs .row:last-child{border-bottom:0}
.specs .k{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink3);padding-top:2px}
.specs .v{color:var(--ink)}
.prod .ctas{display:flex;gap:8px;flex-wrap:wrap}

/* ═══ Notas técnicas ═══ */
.notes{margin-top:40px;padding:22px 24px;border:1px solid var(--rule);background:var(--bg2)}
.notes h4{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink3);margin-bottom:10px}
.notes ul{list-style:none;display:grid;gap:8px}
.notes li{color:var(--ink2);font-size:14px;padding-left:18px;position:relative}
.notes li::before{content:"·";color:var(--orange);font-weight:700;position:absolute;left:6px;top:-1px;font-size:20px;line-height:14px}

/* ═══ CTA final ═══ */
.final-cta{padding:64px 0;text-align:center;border-top:1px solid var(--rule);background:linear-gradient(180deg,transparent, rgba(230,126,34,.05))}
.final-cta h2{font-family:'Big Shoulders Display','Oswald',Impact,sans-serif;font-size:clamp(36px,6vw,64px);text-transform:uppercase;letter-spacing:.01em;margin-bottom:14px}
.final-cta p{color:var(--ink2);margin-bottom:24px;max-width:520px;margin-left:auto;margin-right:auto}

/* ═══ Footer ═══ */
footer.site{padding:40px 0 36px;background:#0a0a0c;border-top:1px solid var(--rule)}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
footer.site .f-brand{display:flex;align-items:center;gap:10px}
footer.site .f-brand img{height:26px;opacity:.85}
footer.site .f-meta{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3)}

/* ═══ FAB WhatsApp ═══ */
.fab{position:fixed;right:16px;bottom:16px;z-index:80;background:#25D366;color:#0a0a0a;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(37,211,102,.35);transition:transform .2s}
.fab:hover{transform:scale(1.06)}
.fab svg{width:30px;height:30px}

/* ═══ Mobile ═══ */
@media(max-width:640px){
  .topbar{font-size:10px}
  .topbar .wrap{justify-content:center}
  .topbar .loc{display:none}
  header.site{padding:12px 0}
  .brand img{height:30px}
  .brand-txt .b1{font-size:13px}
  .brand-txt .b2{display:none}
  .nav-cta .btn-ghost{display:none}
  .specs .row{grid-template-columns:100px 1fr;font-size:12px}
  .prod .visual{aspect-ratio:4/3}
}