/* ============================================================================================
   sirett.net — Vitrina de la Red (portada-directorio de catálogos públicos)
   Theme-aware (claro/oscuro por prefers-color-scheme + data-theme). Paleta teal/dorado propia
   de la portada (independiente de las paletas por catálogo de la revista).
   ============================================================================================ */

:root{
  /* Colores canónicos de la marca SiReTT (fijos; el isotipo y el logo los usan tal cual). */
  --brand-teal:#239F92; --brand-gold:#C99C18; --brand-ink:#0A2828;
  --bg:#FAF9F5; --bg-2:#F1EFE8; --surface:#FFFFFF;
  --ink:#17211F; --muted:#61706C; --line:#E6E2D8;
  --brand:#14897B; --brand-2:#0B615A; --brand-soft:#DAEDEB;
  --gold:#A87D10; --gold-soft:#F5E7C6; --gold-line:#E7CD90;
  --hero-grid:rgba(20,137,123,.07);
  --shadow:0 1px 2px rgba(20,32,30,.05), 0 8px 24px -12px rgba(20,32,30,.18);
  --radius:16px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#081F1D; --bg-2:#0B2523; --surface:#0F2B28;
    --ink:#EAEEE9; --muted:#8FA39E; --line:#1E413B;
    --brand:#2FB6AE; --brand-2:#1E877F; --brand-soft:#0F2E2B;
    --gold:#E4B14A; --gold-soft:#2E2610; --gold-line:#4A3B18;
    --hero-grid:rgba(47,182,174,.10);
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --bg:#081F1D; --bg-2:#0B2523; --surface:#0F2B28;
  --ink:#EAEEE9; --muted:#8FA39E; --line:#1E413B;
  --brand:#2FB6AE; --brand-2:#1E877F; --brand-soft:#0F2E2B;
  --gold:#E4B14A; --gold-soft:#2E2610; --gold-line:#4A3B18;
  --hero-grid:rgba(47,182,174,.10);
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
}
:root[data-theme="light"]{
  --bg:#FAF9F5; --bg-2:#F1EFE8; --surface:#FFFFFF;
  --ink:#17211F; --muted:#61706C; --line:#E6E2D8;
  --brand:#14897B; --brand-2:#0B615A; --brand-soft:#DAEDEB;
  --gold:#A87D10; --gold-soft:#F5E7C6; --gold-line:#E7CD90;
  --hero-grid:rgba(20,137,123,.07);
  --shadow:0 1px 2px rgba(20,32,30,.05), 0 8px 24px -12px rgba(20,32,30,.18);
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0}
.vit-wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* Topbar */
.vit-top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.vit-top-in{display:flex;align-items:center;gap:16px;height:64px}
.vit-brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em;font-size:1.12rem}
.vit-brand .mark{width:34px;height:34px;flex:0 0 auto;display:block}
.vit-brand .mark svg{width:100%;height:100%;display:block}
.vit-brand b{color:var(--brand)}
/* Wordmark en dos líneas, ajustado para no rebasar el alto del isotipo (34px). */
.vit-brand-txt{display:inline-block;line-height:1.05;font-size:.96rem;letter-spacing:-.01em}
.vit-spacer{flex:1}
.vit-theme{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink);cursor:pointer;font-size:1.05rem;line-height:1}

/* Hero */
.vit-hero{position:relative;overflow:hidden;padding:56px 0 34px;
  background:radial-gradient(115% 90% at 82% -18%,var(--brand-soft),transparent 56%),
    radial-gradient(90% 85% at 2% 118%,var(--gold-soft),transparent 60%),
    var(--bg)}
/* Cuadrícula tenue que evoca el isotipo (teselas 3x3); se desvanece hacia el centro/pie. */
.vit-hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--hero-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--hero-grid) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(125% 105% at 78% -5%,#000 8%,transparent 68%);
          mask-image:radial-gradient(125% 105% at 78% -5%,#000 8%,transparent 68%)}
/* Racimo de teselas de marca (guiño al logo) asomando arriba a la derecha. */
.vit-hero::after{content:"";position:absolute;z-index:0;pointer-events:none;top:-24px;right:-30px;
  width:236px;height:236px;opacity:.55;background-repeat:no-repeat;background-size:contain;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg fill='none' stroke='%23239F92' stroke-width='2'%3E%3Crect x='4' y='4' width='26' height='26' rx='5'/%3E%3Crect x='37' y='4' width='26' height='26' rx='5'/%3E%3Crect x='4' y='37' width='26' height='26' rx='5'/%3E%3Crect x='70' y='37' width='26' height='26' rx='5'/%3E%3C/g%3E%3Crect x='70' y='4' width='26' height='26' rx='5' fill='%23239F92' opacity='.16'/%3E%3Crect x='37' y='37' width='26' height='26' rx='5' fill='%23C99C18' opacity='.9'/%3E%3C/svg%3E")}
.vit-hero .vit-wrap{position:relative;z-index:1}
@media (max-width:760px){.vit-hero::after{display:none}}
.vit-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--brand);background:var(--surface);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:18px}
.vit-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.vit-hero h1{font-family:var(--serif);font-weight:600;letter-spacing:-.015em;line-height:1.05;
  font-size:clamp(2.1rem,5.4vw,3.4rem);text-wrap:balance;max-width:16ch}
.vit-hero h1 em{font-style:normal;color:var(--brand)}
.vit-lead{color:var(--muted);font-size:1.06rem;max-width:52ch;margin:16px 0 24px}

.vit-search{display:flex;gap:10px;max-width:560px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:8px;box-shadow:var(--shadow)}
.vit-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft),var(--shadow)}
.vit-search .field{flex:1;display:flex;align-items:center;gap:10px;padding-left:12px}
.vit-search svg{width:20px;height:20px;color:var(--muted);flex:0 0 auto}
.vit-search input{border:0;outline:0;background:transparent;color:var(--ink);font-size:1.02rem;width:100%;font-family:inherit}
.vit-note{font-size:.82rem;color:var(--muted);margin:10px 2px 0}

.vit-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px}
.vit-stat b{font-family:var(--serif);font-size:1.6rem;font-weight:600;font-variant-numeric:tabular-nums;display:block;line-height:1.1}
.vit-stat span{font-size:.82rem;color:var(--muted)}

/* Category chips */
.vit-catbar{position:sticky;top:64px;z-index:15;background:color-mix(in srgb,var(--bg) 90%,transparent);
  backdrop-filter:blur(8px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:32px}
.vit-chips{display:flex;gap:9px;overflow-x:auto;padding:13px 22px;max-width:1180px;margin:0 auto;scrollbar-width:none}
.vit-chips::-webkit-scrollbar{display:none}
.vit-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 15px;font-size:.9rem;
  font-weight:600;cursor:pointer;font-family:inherit;white-space:nowrap;transition:.12s}
.vit-chip:hover{border-color:var(--brand)}
.vit-chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* Sections */
.vit-block{padding:34px 0}
.vit-sec-head{margin-bottom:20px}
.vit-sec-head .k{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.vit-sec-head h2{font-family:var(--serif);font-weight:600;font-size:1.5rem;letter-spacing:-.01em}
.vit-sec-head p{margin:4px 0 0;color:var(--muted);font-size:.92rem}
.vit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:18px}
.vit-grid-dest{grid-template-columns:repeat(auto-fill,minmax(332px,1fr))}

/* Company card */
.vit-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  display:flex;flex-direction:column;gap:13px;box-shadow:var(--shadow);position:relative;transition:.14s}
.vit-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 45%,var(--line))}
.vit-card-top{display:flex;align-items:center;gap:13px}
.vit-logo{width:54px;height:54px;border-radius:13px;flex:0 0 auto;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.vit-logo img{width:100%;height:100%;object-fit:cover}
.vit-name{font-weight:700;font-size:1.05rem;letter-spacing:-.01em;line-height:1.15}
.vit-cat{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;color:var(--muted);margin-top:4px}
.vit-desc{color:var(--muted);font-size:.9rem;line-height:1.45;min-height:2.6em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vit-card-foot{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:4px}
.vit-mini{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted)}
.vit-mini:hover{color:var(--brand);border-color:var(--brand)}
.vit-mini svg{width:16px;height:16px}
.vit-foot-spacer{flex:1}
.vit-see{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:.9rem;color:var(--brand);
  border:1px solid color-mix(in srgb,var(--brand) 40%,var(--line));border-radius:10px;padding:8px 14px}
.vit-see:hover{background:var(--brand);color:#fff}
.vit-see svg{width:16px;height:16px}

.vit-badge{position:absolute;top:-10px;right:14px;display:inline-flex;align-items:center;gap:6px;
  background:var(--gold-soft);color:var(--gold);border:1px solid var(--gold-line);border-radius:999px;
  padding:4px 11px;font-size:.72rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase}
.vit-grid-dest .vit-card{border-color:var(--gold-line);
  background:linear-gradient(180deg,color-mix(in srgb,var(--gold-soft) 45%,var(--surface)),var(--surface))}
.vit-grid-dest .vit-logo{width:58px;height:58px}

.vit-empty{display:none;text-align:center;color:var(--muted);padding:48px 0;font-size:.95rem}

/* Footer */
.vit-foot{border-top:1px solid var(--line);background:var(--bg-2);margin-top:20px;padding:32px 0}
.vit-foot-in{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.vit-foot-brand{max-width:560px}
.vit-foot-pitch{color:var(--muted);font-size:.9rem;line-height:1.55;margin:0}
.vit-foot-pitch b{color:var(--ink)}
.vit-foot-cta{display:flex;flex-direction:column;gap:10px}
.vit-cta{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.9rem;border-radius:11px;
  padding:11px 18px;border:1px solid var(--line);white-space:nowrap}
.vit-cta svg{width:18px;height:18px;flex:0 0 auto}
.vit-cta-wa{background:#25D366;border-color:#25D366;color:#07352A}
.vit-cta-wa:hover{filter:brightness(1.06)}
.vit-cta-mail{background:var(--surface);color:var(--ink)}
.vit-cta-mail:hover{border-color:var(--brand);color:var(--brand)}
.vit-foot-legal{color:var(--muted);font-size:.8rem;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.vit-foot-legal b{color:var(--brand)}

/* Botón de la barra de búsqueda del hero (envía al buscador de productos) */
.vit-search button{border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:700;
  padding:0 20px;height:44px;cursor:pointer;font-family:inherit;font-size:.95rem}

/* ============================================================================================
   Buscador de productos de la red (buscar.php)
   ============================================================================================ */
.bus-hero{padding:26px 0 6px}
.bus-form{display:flex;gap:10px;max-width:640px;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:8px;box-shadow:var(--shadow)}
.bus-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft),var(--shadow)}
.bus-form .field{flex:1;display:flex;align-items:center;gap:10px;padding-left:12px}
.bus-form svg{width:20px;height:20px;color:var(--muted);flex:0 0 auto}
.bus-form input{border:0;outline:0;background:transparent;color:var(--ink);font-size:1.02rem;width:100%;font-family:inherit}
.bus-form button{border:0;border-radius:10px;background:var(--brand);color:#fff;font-weight:700;
  padding:0 20px;height:44px;cursor:pointer;font-family:inherit}
.bus-meta{color:var(--muted);font-size:.9rem;margin:14px 2px 0}
.bus-meta b{color:var(--ink)}
.bus-list{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.bus-row{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:12px;box-shadow:var(--shadow)}
.bus-row.bus-cheapest{border-color:var(--brand)}
.bus-thumb{width:66px;height:66px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;overflow:hidden;
  background:var(--bg-2);color:var(--muted);font-weight:800}
.bus-thumb img{width:100%;height:100%;object-fit:cover}
.bus-info{flex:1;min-width:0}
.bus-desc{font-weight:600;line-height:1.25}
.bus-sub{color:var(--muted);font-size:.85rem;margin-top:3px;display:flex;flex-wrap:wrap;gap:2px 12px}
.bus-emp{color:var(--brand);font-weight:600}
.bus-cmp{display:inline-block;margin-top:5px;font-size:.8rem;color:var(--brand);font-weight:600}
.bus-cmp:hover{text-decoration:underline}
.bus-price{flex:0 0 auto;text-align:right;min-width:128px}
.bus-price .p{font-family:var(--serif);font-size:1.28rem;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.1}
.bus-price .cur{font-size:.9em;margin-right:1px}
.bus-price .iva{display:block;font-size:.72rem;color:var(--muted);margin-top:2px}
.bus-tagbest{display:inline-block;margin-top:5px;font-size:.66rem;font-weight:800;text-transform:uppercase;
  letter-spacing:.03em;color:#fff;background:var(--brand);border-radius:999px;padding:2px 8px}
.bus-ver{display:inline-block;margin-top:8px;font-size:.82rem;border:1px solid color-mix(in srgb,var(--brand) 40%,var(--line));
  border-radius:9px;padding:5px 13px;color:var(--brand);font-weight:700}
.bus-ver:hover{background:var(--brand);color:#fff}
.bus-empty{text-align:center;color:var(--muted);padding:44px 0;font-size:.95rem}
@media(max-width:560px){
  .bus-row{flex-wrap:wrap}
  .bus-price{text-align:left;min-width:0;width:100%;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .bus-price .iva{margin-top:0}
}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}