/* ===================== ATH Catálogo — estilos ===================== */
:root{
  --ath:#1a3a5c;          /* azul profundo marca */
  --ath-2:#2f6bb0;        /* azul secundario */
  --ath-tint:#eaf1f8;     /* azul muy claro (activo) */
  --ok:#12a06b; --warn:#e08a1e; --bad:#d64550;
  --ink:#17222f;          /* texto */
  --muted:#6b7686;        /* texto suave */
  --line:#e7ebf0;         /* bordes */
  --bg:#f4f6f9;           /* fondo pág */
  --card:#ffffff;
  --beige:#efe9e1;        /* fondo foto (como el PDF) */
  --shadow:0 1px 2px rgba(23,34,47,.04), 0 4px 16px rgba(23,34,47,.06);
  --shadow-lg:0 12px 40px rgba(23,34,47,.16);
  --r:14px; --r-sm:10px;
  --mat-pet:#2f6bb0; --mat-pead:#12a06b; --mat-pp:#a05fd6;
  --font:'Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
img{max-width:100%;display:block}
button{font-family:inherit}

/* ---------- Brand ---------- */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ath)}
.brand-mark{color:var(--ath);display:flex}
.brand-mark svg{width:44px;height:auto}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ath)}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.brand.small .brand-mark svg{width:36px}
.brand.small .brand-text strong{font-size:16px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(23,34,47,.06)}
.header-inner{display:flex;align-items:center;gap:16px;height:66px}
.header-search{flex:1;display:none;align-items:center;gap:9px;max-width:520px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--muted)}
.header-search input{border:0;background:none;outline:none;width:100%;font-size:14px;color:var(--ink)}
.site-header.scrolled .header-search{display:flex}
.header-cta{margin-left:auto;display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  background:var(--ath);color:#fff;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;
  transition:transform .15s,background .2s}
.header-cta:hover{background:#12293f;transform:translateY(-1px)}
.header-cta .i{width:17px;height:17px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero-inner{padding:clamp(36px,6vw,64px) 0 clamp(24px,4vw,36px);max-width:820px}
.hero-eyebrow{color:var(--ath-2);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.hero h1{margin:0 0 12px;font-size:clamp(28px,4.6vw,46px);line-height:1.08;letter-spacing:-.02em;font-weight:800}
.hero-sub{margin:0 0 26px;color:var(--muted);font-size:clamp(15px,1.6vw,18px);max-width:60ch}
.big-search{display:flex;align-items:center;gap:12px;background:var(--card);border:1.5px solid var(--line);
  border-radius:16px;padding:14px 18px;box-shadow:var(--shadow);transition:border-color .2s,box-shadow .2s}
.big-search:focus-within{border-color:var(--ath-2);box-shadow:0 0 0 4px var(--ath-tint)}
.big-search .i{width:22px;height:22px;color:var(--muted)}
.big-search input{flex:1;border:0;outline:none;background:none;font-size:17px;color:var(--ink);min-width:0}
.q-clear{border:0;background:var(--bg);color:var(--muted);width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,color .15s}
.q-clear:hover{background:#e6e9ee;color:var(--ink)}
.q-clear .i{width:16px;height:16px}

.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 15px;
  display:flex;align-items:center;gap:8px;font-size:13px;box-shadow:var(--shadow)}
.stat b{font-weight:700;font-variant-numeric:tabular-nums}
.stat .dot{width:8px;height:8px;border-radius:2px}

/* ---------- Toolbar ---------- */
.toolbar{position:sticky;top:66px;z-index:40;background:rgba(244,246,249,.9);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.toolbar-inner{display:flex;align-items:center;gap:12px;padding:12px 0;overflow-x:auto;scrollbar-width:thin}
.filter-group{display:flex;gap:7px;flex:none}
.filter-divider{width:1px;height:22px;background:var(--line);flex:none}
.filter-spacer{flex:1;min-width:8px}
.chip{border:1px solid var(--line);background:var(--card);color:var(--muted);font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:7px;
  transition:all .16s;min-height:36px}
.chip:hover{border-color:#cfd6df;color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ath);border-color:var(--ath);color:#fff}
.chip .cdot{width:8px;height:8px;border-radius:50%}
.chip[aria-pressed="true"] .cdot{box-shadow:0 0 0 2px rgba(255,255,255,.5)}
.cap-select{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);font-weight:600;flex:none}
.cap-select select{font-family:inherit;font-size:13px;font-weight:600;color:var(--ink);border:1px solid var(--line);
  background:var(--card);border-radius:10px;padding:8px 12px;cursor:pointer;min-height:36px}
.cap-select select:focus{outline:none;border-color:var(--ath-2);box-shadow:0 0 0 3px var(--ath-tint)}

/* ---------- Results ---------- */
.results-area{padding:24px 0 60px;min-height:50vh}
.results-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.count{margin:0;color:var(--muted);font-size:14px}
.count b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.link-btn{border:0;background:none;color:var(--ath-2);font-weight:600;font-size:14px;cursor:pointer;padding:4px}
.link-btn:hover{text-decoration:underline}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s;
  text-align:left;padding:0;font:inherit;color:inherit;animation:fadeUp .4s both}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d7dee7}
.card:focus-visible{outline:3px solid var(--ath-2);outline-offset:2px}
.card-media{aspect-ratio:3/4;background:var(--beige);position:relative;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:contain;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.mat-tag{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;letter-spacing:.02em;color:#fff;
  padding:4px 9px;border-radius:999px;backdrop-filter:blur(2px)}
.card-body{padding:13px 14px 15px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-title{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.card-cat{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-top:-4px}
.caps{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}
.cap{font-size:11.5px;font-weight:600;color:var(--ath);background:var(--ath-tint);border-radius:6px;padding:3px 7px;
  font-variant-numeric:tabular-nums}
.cap.more{background:var(--bg);color:var(--muted)}
.var-note{font-size:11.5px;color:var(--muted)}

@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- Empty ---------- */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.empty svg{width:46px;height:46px;fill:none;stroke:#c3ccd7;stroke-width:1.6;margin-bottom:8px}
.empty h3{margin:0 0 6px;color:var(--ink);font-size:20px}
.empty p{margin:0 auto 18px;max-width:42ch}

/* ---------- Buttons ---------- */
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;
  font-size:15px;border-radius:12px;padding:12px 18px;cursor:pointer;text-decoration:none;transition:all .16s;border:1px solid transparent}
.btn-primary{background:var(--ath);color:#fff}
.btn-primary:hover{background:#12293f;transform:translateY(-1px)}
.btn-primary .i{width:18px;height:18px}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#c9d1db;background:var(--bg)}

/* ---------- Footer ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--line);margin-top:20px}
.footer-inner{padding:36px 0;text-align:center;color:var(--muted);font-size:14px}
.footer-inner .brand{justify-content:center;margin-bottom:12px}
.footer-inner p{margin:6px 0}
.footer-inner .muted{font-size:12px;color:#95a0ad;max-width:52ch;margin:10px auto 0}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,34,.55);backdrop-filter:blur(3px);animation:fade .2s}
.modal-card{position:relative;background:var(--card);border-radius:20px;max-width:940px;width:100%;max-height:92vh;
  overflow:hidden;box-shadow:var(--shadow-lg);animation:pop .24s cubic-bezier(.2,.9,.3,1.2)}
.modal-close{position:absolute;top:14px;right:14px;z-index:3;width:38px;height:38px;border-radius:50%;border:0;
  background:rgba(255,255,255,.85);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);transition:background .15s}
.modal-close:hover{background:#fff}
.modal-body{display:grid;grid-template-columns:1.05fr 1fr;max-height:92vh}
.modal-figure{margin:0;background:var(--beige);display:flex;align-items:center;justify-content:center;padding:8px}
.modal-figure img{max-height:88vh;width:100%;object-fit:contain}
.modal-info{padding:clamp(22px,3vw,34px);overflow-y:auto}
.modal-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.badge{font-size:12px;font-weight:700;color:#fff;padding:4px 11px;border-radius:999px}
.badge.cat{background:var(--bg);color:var(--muted)}
.modal-info h2{margin:0 0 10px;font-size:clamp(22px,3vw,30px);line-height:1.12;letter-spacing:-.02em}
.modal-variants{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.vtag{font-size:12.5px;font-weight:600;color:var(--ath);background:var(--ath-tint);border-radius:8px;padding:5px 11px}
.spec-list{margin:0 0 22px;display:flex;flex-direction:column;gap:0}
.spec-row{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.spec-row:last-child{border-bottom:1px solid var(--line)}
.spec-ic{width:34px;height:34px;border-radius:9px;background:var(--ath-tint);color:var(--ath-2);display:flex;
  align-items:center;justify-content:center;flex:none}
.spec-ic .i{width:18px;height:18px}
.spec-k{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:3px}
.spec-v{font-size:15px;font-weight:600;line-height:1.4}
.spec-v .cap{margin:0 4px 4px 0;display:inline-block;font-size:13px;padding:4px 9px}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap}
.modal-actions .btn-primary,.modal-actions .btn-ghost{flex:1;min-width:150px}
.modal-page{margin:16px 0 0;font-size:12px}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media(max-width:720px){
  .header-cta span{display:none}
  .header-cta{padding:9px 11px}
  .modal-body{grid-template-columns:1fr;overflow-y:auto}
  .modal-figure{max-height:44vh}
  .modal-figure img{max-height:44vh}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .toolbar{top:66px}
}
@media(max-width:480px){
  .card-title{font-size:14px}
  .hero-stats .stat{font-size:12px;padding:7px 12px}
}

/* ---------- A11y / motion ---------- */
:focus-visible{outline:3px solid var(--ath-2);outline-offset:2px}
.chip:focus-visible,.cap-select select:focus-visible{outline-offset:1px}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}