/* ==========================================================
   Bulonera Da Silva — "Acero y precisión"
   ========================================================== */
:root{
  --carbon-900:#0B0C0E; --carbon-800:#131519; --carbon-700:#1C1F24; --carbon-600:#262A31;
  --steel-500:#6B7280; --steel-400:#9AA1AC; --steel-300:#C7CBD1; --steel-100:#EDEFF2; --white:#fff;
  --signal-500:#FFC300; --signal-600:#E0A800; --signal-100:#FFF4CC;
  --success:#1DB464; --danger:#F04438; --whatsapp:#25D366;
  --radius-sm:3px; --radius-md:6px; --radius-lg:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --f-head:'Barlow Condensed',system-ui,sans-serif;
  --f-body:'Inter',system-ui,-apple-system,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;
  --fs-h1:clamp(2.6rem,7.2vw,5.6rem);
  --fs-h2:clamp(2rem,4.4vw,3.4rem);
  --fs-h3:clamp(1.25rem,2vw,1.6rem);
  --gutter:clamp(16px,4vw,40px);
  --maxw:1280px;

  /* tema oscuro por defecto */
  --bg:var(--carbon-900); --bg-2:var(--carbon-800); --surface:var(--carbon-700); --surface-2:var(--carbon-600);
  --text:#F3F4F6; --muted:var(--steel-400); --line:#2A2E35; --line-2:#3A3F48;
  --shadow-card:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-lift:0 18px 40px rgba(0,0,0,.5);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#F4F5F7; --bg-2:#FFFFFF; --surface:#FFFFFF; --surface-2:#EDEFF2;
  --text:#0B0C0E; --muted:#4B5261; --line:#DADDE3; --line-2:#C7CBD1;
  --shadow-card:0 1px 2px rgba(11,12,14,.06),0 8px 24px rgba(11,12,14,.08);
  --shadow-lift:0 14px 34px rgba(11,12,14,.16);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .25s,color .25s}
img,video{max-width:100%;display:block}
svg{width:1.25em;height:1.25em;flex:none}
.ic-inline{width:16px;height:16px;vertical-align:-3px;color:var(--signal-500)}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--signal-500);outline-offset:3px;border-radius:2px}
::selection{background:var(--signal-500);color:var(--carbon-900)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:12px;top:-60px;z-index:999;background:var(--signal-500);color:var(--carbon-900);padding:10px 16px;font-weight:600;border-radius:var(--radius-sm);transition:top .2s}
.skip:focus{top:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--f-mono);font-size:.82em;letter-spacing:.02em}
.muted{color:var(--muted)}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:800;line-height:.95;letter-spacing:-.005em;margin:0;text-transform:uppercase}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);font-weight:700;line-height:1.05}
p{margin:0 0 1em}
.hl{color:var(--signal-500)}

/* ---------- botones ---------- */
.btn{--h:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--h);padding:0 22px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:600;font-size:.95rem;text-decoration:none;white-space:nowrap;transition:transform .15s var(--ease),background .2s,border-color .2s,color .2s;position:relative}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--signal-500);color:var(--carbon-900)}
.btn-primary:hover{background:var(--signal-600)}
.btn-ghost{border-color:var(--line-2);background:transparent}
.btn-ghost:hover{border-color:var(--signal-500);color:var(--signal-500)}
.on-dark .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.on-dark .btn-ghost:hover{border-color:var(--signal-500);color:var(--signal-500)}
.btn-wa{background:var(--whatsapp);color:#062A14}
.btn-wa:hover{background:#1fbf5b}
.btn-dark{background:var(--carbon-900);color:#fff}
.btn-dark:hover{background:var(--carbon-700)}
.btn-sm{--h:40px;padding:0 14px;font-size:.88rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.icon-btn{width:44px;height:44px;display:inline-grid;place-items:center;border-radius:var(--radius-sm);border:1px solid var(--line);background:transparent;position:relative;transition:border-color .2s,color .2s}
.icon-btn:hover{border-color:var(--signal-500);color:var(--signal-500)}
.icon-btn svg{width:20px;height:20px}

/* link subrayado animado (A18) */
.ul{text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .2s var(--ease)}
.ul:hover,.ul[aria-current="page"]{background-size:100% 1px}

/* tags técnicos */
.tag{display:inline-flex;align-items:center;gap:6px;font:500 .72rem/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line-2);padding:6px 8px;border-radius:2px;color:var(--muted)}
.tag-y{border-color:var(--signal-500);color:var(--signal-500)}
.tbc{display:inline-block;font:500 .72rem/1.3 var(--f-mono);letter-spacing:.03em;border:1px dashed var(--signal-500);color:var(--signal-500);padding:3px 6px;border-radius:2px;vertical-align:middle}
.dot{width:8px;height:8px;border-radius:50%;background:var(--steel-500);display:inline-block;flex:none}
.dot.open{background:var(--success);box-shadow:0 0 0 0 rgba(29,180,100,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(29,180,100,.55)}70%{box-shadow:0 0 0 8px rgba(29,180,100,0)}100%{box-shadow:0 0 0 0 rgba(29,180,100,0)}}

/* ---------- topbar + header (A2) ---------- */
.topbar{background:var(--signal-500);color:var(--carbon-900);font:500 .78rem/1 var(--f-mono);letter-spacing:.02em}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:34px;overflow:hidden}
.topbar a{text-decoration:none}
.topbar .sep{opacity:.4}
.topbar .status{display:flex;align-items:center;gap:8px;font-weight:600}
.topbar .status .dot{background:var(--carbon-900)}
.topbar .status .dot.open{background:#0b6b38}
.topbar .right{margin-left:auto;display:flex;gap:18px;align-items:center}
@media (max-width:760px){.topbar .hide-sm{display:none}.topbar .right{gap:12px}}

.header{position:sticky;top:0;z-index:60;color:#fff;transition:background .25s,backdrop-filter .25s,border-color .25s;border-bottom:1px solid transparent}
.header.is-home{background:transparent}
.header.scrolled,.header:not(.is-home){background:rgba(11,12,14,.82);-webkit-backdrop-filter:blur(12px) saturate(140%);backdrop-filter:blur(12px) saturate(140%);border-bottom-color:rgba(255,255,255,.08)}
.header .wrap{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:44px;width:auto}
.nav{display:flex;gap:22px;margin-left:12px}
.nav a{font-weight:500;font-size:.93rem;text-decoration:none;padding:6px 0;color:rgba(255,255,255,.86)}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]{color:var(--signal-500)}
.hdr-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.header .icon-btn{border-color:rgba(255,255,255,.18);color:#fff}
.header .icon-btn:hover{border-color:var(--signal-500);color:var(--signal-500)}
.searchbtn{display:flex;align-items:center;gap:10px;height:44px;min-width:230px;padding:0 12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);border-radius:var(--radius-sm);color:rgba(255,255,255,.7);font-size:.9rem;transition:border-color .2s}
.searchbtn:hover{border-color:var(--signal-500)}
.searchbtn svg{width:18px;height:18px}
.searchbtn kbd{margin-left:auto;font:500 .7rem var(--f-mono);border:1px solid rgba(255,255,255,.2);padding:2px 6px;border-radius:2px}
.badge{position:absolute;top:-7px;right:-7px;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--signal-500);color:var(--carbon-900);font:700 .7rem/20px var(--f-mono);text-align:center}
.badge[hidden]{display:none}
.pop{animation:pop .4s var(--ease)}
@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.35)}100%{transform:scale(1)}}
.bounce{animation:bounce .45s var(--ease)}
@keyframes bounce{0%,100%{transform:translateY(0)}35%{transform:translateY(-5px)}70%{transform:translateY(1px)}}
.menu-btn{display:none}
@media (max-width:1080px){.nav{display:none}.menu-btn{display:inline-grid}.searchbtn{min-width:0;width:44px;justify-content:center;padding:0}.searchbtn span,.searchbtn kbd{display:none}}
@media (max-width:420px){.logo img{height:36px}.header .wrap{gap:10px}.theme-btn{display:none}}

/* menú móvil */
.drawer-menu{position:fixed;inset:0;z-index:90;background:var(--carbon-900);color:#fff;padding:90px var(--gutter) 30px;display:flex;flex-direction:column;gap:4px;transform:translateY(-100%);transition:transform .35s var(--ease);visibility:hidden}
.drawer-menu.open{transform:none;visibility:visible}
.drawer-menu a{font:800 2.2rem/1.15 var(--f-head);text-transform:uppercase;text-decoration:none;padding:6px 0;border-bottom:1px solid #22252B;display:flex;justify-content:space-between;align-items:baseline}
.drawer-menu a span{font:500 .75rem var(--f-mono);color:var(--steel-400)}
.drawer-menu .close{position:absolute;top:16px;right:var(--gutter)}

/* ---------- vistas / transición (A12) ---------- */
main{display:block;min-height:70vh}
main:focus,main:focus-visible{outline:none}
.view{animation:viewIn .25s var(--ease)}
@keyframes viewIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- secciones con retícula técnica ---------- */
.section{position:relative;padding:clamp(64px,9vw,120px) 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg-2)}
.sec-head{display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.sec-num{font:500 .8rem var(--f-mono);color:var(--muted);letter-spacing:.08em;padding-bottom:6px;border-top:1px solid var(--signal-500);padding-top:10px;align-self:start}
.sec-head p{max-width:560px;color:var(--muted);margin:14px 0 0}
@media (max-width:760px){.sec-head{grid-template-columns:1fr}.sec-num{width:80px}}
.corners{position:relative}
.corners::before,.corners::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--signal-500);pointer-events:none}
.corners::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.corners::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.grain{position:relative;isolation:isolate}
.grain::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.05;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.gridlines{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:80px 80px;background-position:-1px -1px}

/* scroll reveal (A3) */
.rv{opacity:0;transform:translateY(24px);transition:opacity .45s var(--ease),transform .45s var(--ease);transition-delay:calc(var(--i,0) * 80ms)}
.rv.in{opacity:1;transform:none}

/* ---------- HERO (A1) ---------- */
.hero{position:relative;margin-top:-72px;min-height:min(100svh,920px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--carbon-900)}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(1.08)}
.hero-media img{animation:kenburns 12s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(11,12,14,.75) 0%,rgba(11,12,14,.35) 30%,rgba(11,12,14,.55) 60%,rgba(11,12,14,.97) 100%),linear-gradient(90deg,rgba(11,12,14,.85) 0%,rgba(11,12,14,.2) 70%)}
.hero .wrap{position:relative;z-index:2;width:100%;padding-top:140px;padding-bottom:0}
.hero-grid{display:grid;grid-template-columns:1.5fr .8fr;gap:48px;align-items:end}
.hero .eyebrow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.hero .eyebrow .tag{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(11,12,14,.4)}
.hero h1{font-size:var(--fs-h1);line-height:.9;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--signal-500)}
.hero .sub{font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:560px;color:rgba(255,255,255,.82);margin:22px 0 30px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:rgba(11,12,14,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);padding:22px;font-size:.9rem}
.hero-card .row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.hero-card .row:last-child{border:0}
.hero-card .k{font:500 .72rem var(--f-mono);color:var(--steel-400);text-transform:uppercase;letter-spacing:.08em}
.hero-card .stars{color:var(--signal-500);letter-spacing:2px}
.hero-strip{position:relative;z-index:2;margin-top:48px;border-top:1px solid rgba(255,255,255,.14);display:flex;align-items:center;gap:24px;min-height:58px;font:500 .82rem var(--f-mono);color:rgba(255,255,255,.8);flex-wrap:wrap;padding:12px 0}
.hero-strip .status{display:flex;gap:8px;align-items:center;color:#fff}
.hero-strip .scroll{margin-left:auto;display:flex;gap:8px;align-items:center}
.hero-strip .scroll i{width:1px;height:22px;background:linear-gradient(var(--signal-500),transparent);animation:drip 1.6s infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:28px}.hero-card{display:none}.hero-strip .scroll{display:none}}

/* credenciales (A4) */
.creds{background:var(--signal-500);color:var(--carbon-900)}
.creds .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.cred{padding:26px 18px;border-left:1px solid rgba(11,12,14,.18)}
.cred:first-child{border-left:0}
.cred b{display:block;font:800 clamp(2.2rem,4vw,3.4rem)/1 var(--f-head)}
.cred span{font:500 .75rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em}
@media (max-width:760px){.creds .wrap{grid-template-columns:repeat(2,1fr)}.cred{border-left:0;border-top:1px solid rgba(11,12,14,.18)}.cred:first-child{grid-column:1/-1;border-top:0}}

/* buscador rápido */
.quick{padding:40px 0;border-bottom:1px solid var(--line);background:var(--bg-2)}
.quick form{display:flex;gap:0;border:1px solid var(--line-2);background:var(--surface);border-radius:var(--radius-sm);overflow:hidden}
.quick input{flex:1;min-width:0;border:0;background:transparent;padding:0 18px;height:62px;font-size:1.1rem;outline:none}
.quick .btn{border-radius:0;--h:62px}
.quick .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;align-items:center}
.chip{border:1px solid var(--line-2);background:transparent;padding:8px 12px;font:500 .8rem var(--f-mono);border-radius:2px;color:var(--muted);transition:all .2s;text-decoration:none;min-height:36px}
.chip:hover,.chip[aria-pressed="true"]{border-color:var(--signal-500);color:var(--signal-500)}

/* categorías */
.cats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cat{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:190px;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;transition:background .25s;overflow:hidden}
.cat:hover{background:var(--surface)}
.cat .n{font:500 .72rem var(--f-mono);color:var(--muted)}
.cat h3{font-size:1.55rem;margin-top:30px}
.cat p{font-size:.86rem;color:var(--muted);margin:8px 0 0}
.cat .arrow{position:absolute;top:20px;right:20px;width:22px;height:22px;transition:transform .25s var(--ease);color:var(--muted)}
.cat:hover .arrow{transform:translate(4px,-4px);color:var(--signal-500)}
.cat .count{font:500 .72rem var(--f-mono);color:var(--signal-500);margin-top:12px}
.cat.main{grid-column:span 2;grid-row:span 2;background:var(--signal-500);color:var(--carbon-900)}
.cat.main .n,.cat.main p,.cat.main .arrow{color:rgba(11,12,14,.7)}
.cat.main .count{color:var(--carbon-900)}
.cat.main h3{font-size:clamp(2.6rem,5vw,4.4rem)}
.cat.main:hover{background:var(--signal-600)}
.cat.main .bolt{position:absolute;right:-30px;bottom:-40px;width:300px;height:300px;opacity:.14;color:var(--carbon-900)}
@media (max-width:980px){.cats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.cat{min-height:150px;padding:16px}.cat h3{font-size:1.25rem}.cat.main h3{font-size:2.4rem}}

/* bloque asesor */
.advisor-cta{display:grid;grid-template-columns:1.1fr 1fr;gap:0;border:1px solid var(--line)}
.advisor-cta .l{padding:clamp(28px,4vw,56px);background:var(--carbon-900);color:#fff}
.advisor-cta .l h2{font-size:clamp(2rem,4vw,3.2rem)}
.advisor-cta .r{padding:clamp(28px,4vw,56px);background:var(--surface);display:flex;flex-direction:column;gap:12px;justify-content:center}
.stepline{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line-2)}
.stepline:last-child{border:0}
.stepline b{font:500 .78rem var(--f-mono);color:var(--signal-500);padding-top:3px}
@media (max-width:860px){.advisor-cta{grid-template-columns:1fr}}

/* ---------- tarjeta de producto (A7 + A8) ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.pcard{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s,box-shadow .25s,transform .25s var(--ease);transform-style:preserve-3d;will-change:transform}
.pcard:hover{border-color:var(--line-2);box-shadow:var(--shadow-lift)}
.pcard a.cover{display:block;position:relative;aspect-ratio:1;background:#fff;overflow:hidden}
.pcard a.cover img{width:100%;height:100%;object-fit:contain;padding:14px;transition:transform .4s var(--ease),opacity .2s}
.pcard:hover a.cover img{transform:scale(1.05)}
.pcard .alt-img{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:opacity .2s;background:var(--carbon-900);color:#fff;padding:16px;text-align:center}
.pcard .alt-img .mono{color:var(--signal-500)}
.pcard .alt-img ul{list-style:none;padding:0;margin:8px 0 0;font-size:.82rem;line-height:1.5;color:var(--steel-300)}
@media (hover:hover){.pcard:hover .alt-img{opacity:1}}
.pcard .flag{position:absolute;top:10px;left:10px;z-index:2}
.pcard .flag .tag{background:var(--signal-500);color:var(--carbon-900);border-color:var(--signal-500)}
.pcard .body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard .brand{font:500 .7rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pcard h3{font:600 .98rem/1.3 var(--f-body);text-transform:none;letter-spacing:0}
.pcard h3 a{text-decoration:none}
.pcard h3 a::after{content:"";position:absolute;inset:0;z-index:1}
.pcard .foot{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;margin-top:auto;padding-top:8px}
.pcard .price{font:700 1.25rem/1 var(--f-head);letter-spacing:.01em}
.pcard .price small{display:block;font:500 .66rem var(--f-mono);color:var(--muted);letter-spacing:.04em;margin-bottom:4px;text-transform:uppercase}
.pcard .add{position:relative;z-index:2;width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line-2);background:transparent;display:grid;place-items:center;transition:all .2s}
.pcard .add:hover{background:var(--signal-500);border-color:var(--signal-500);color:var(--carbon-900)}
.pcard .add svg{width:20px;height:20px}
.pcard .add.done{background:var(--success);border-color:var(--success);color:#fff}
.noimg{width:100%;height:100%;display:grid;place-items:center;background:repeating-linear-gradient(135deg,#f1f2f4 0 12px,#e7e9ec 12px 24px);color:#6b7280;font:500 .72rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em;text-align:center;padding:12px}
@media (max-width:520px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pcard .body{padding:10px}.pcard h3{font-size:.86rem}.pcard .price{font-size:1.08rem}}

/* skeleton (A13) */
.sk{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.sk .a{aspect-ratio:1}
.sk .b{height:12px;margin:14px;border-radius:2px}
.sk .c{height:12px;margin:0 14px 18px;width:50%;border-radius:2px}
.sk .a,.sk .b,.sk .c{background:linear-gradient(90deg,var(--surface-2) 0%,var(--line-2) 50%,var(--surface-2) 100%);background-size:200% 100%;animation:shimmer 1.2s infinite linear}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}

/* ---------- slider (A6) ---------- */
.slider{position:relative}
.slider-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*16px)/4);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 20px;cursor:grab;overscroll-behavior-x:contain}
.slider-track::-webkit-scrollbar{display:none}
.slider-track.dragging{cursor:grabbing;scroll-snap-type:none}
.slider-track.dragging *{pointer-events:none}
.slider-track>*{scroll-snap-align:start;min-width:0}
.slider-ctrl{display:flex;gap:8px;align-items:center}
.slider-dots{display:flex;gap:6px;margin-right:12px}
.slider-dots button{width:22px;height:4px;border:0;padding:0;background:var(--line-2);border-radius:2px;transition:all .25s}
.slider-dots button[aria-current="true"]{background:var(--signal-500);width:36px}
@media (max-width:1000px){.slider-track{grid-auto-columns:calc((100% - 2*16px)/3)}}
@media (max-width:700px){.slider-track{grid-auto-columns:72%}.slider-dots{display:none}}

/* por qué elegirnos */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}
.why article{padding:28px 24px 32px;border-left:1px solid var(--line);position:relative}
.why article:first-child{border-left:0}
.why .ico{width:48px;height:48px;border:1px solid var(--signal-500);display:grid;place-items:center;color:var(--signal-500);margin-bottom:40px}
.why .ico svg{width:24px;height:24px}
.why h3{font-size:1.7rem;margin-bottom:10px}
.why p{color:var(--muted);font-size:.94rem;margin:0}
.why .n{position:absolute;top:28px;right:24px;font:500 .72rem var(--f-mono);color:var(--muted)}
@media (max-width:960px){.why{grid-template-columns:1fr 1fr}.why article:nth-child(3){border-left:0}.why article:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:560px){.why{grid-template-columns:1fr}.why article{border-left:0;border-top:1px solid var(--line)}.why article:first-child{border-top:0}.why .ico{margin-bottom:20px}}

/* marquee (A5) */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);padding:10px 0}
.marquee .row{display:flex;gap:28px;width:max-content;animation:marq 40s linear infinite}
.marquee .row.rev{animation-direction:reverse;animation-duration:46s;margin-top:22px}
.marquee:hover .row{animation-play-state:paused}
.marquee img{width:104px;height:104px;border-radius:50%;filter:grayscale(1) contrast(1.1);opacity:.75;transition:filter .3s,opacity .3s,transform .3s var(--ease)}
.marquee img:hover{filter:none;opacity:1;transform:scale(1.06)}
.marquee .word{height:104px;display:grid;place-items:center;padding:0 10px;font:800 1.9rem var(--f-head);text-transform:uppercase;color:var(--muted);white-space:nowrap;transition:color .2s}
.marquee .word:hover{color:var(--signal-500)}
@keyframes marq{to{transform:translateX(-50%)}}
.makita-note{display:flex;gap:14px;align-items:center;justify-content:center;margin-top:40px;font:500 .85rem var(--f-mono)}

/* reseñas (R6) */
.reviews{display:grid;grid-template-columns:.8fr 1.6fr;gap:40px;align-items:center}
.score{border:1px solid var(--line);padding:32px;background:var(--surface)}
.score .big{font:800 6.5rem/.85 var(--f-head)}
.score .stars{display:flex;gap:4px;color:var(--signal-500);margin:14px 0}
.score .stars svg{width:22px;height:22px}
.quotes .q{background:var(--surface);border:1px solid var(--line);padding:28px;display:flex;flex-direction:column;gap:20px;min-height:230px}
.quotes blockquote{margin:0;font:600 1.18rem/1.45 var(--f-body)}
.quotes blockquote::before{content:"“";display:block;font:800 3.6rem/.6 var(--f-head);color:var(--signal-500);margin-bottom:10px}
.quotes .src{font:500 .75rem var(--f-mono);color:var(--muted);margin-top:auto}
.quotes .slider-track{grid-auto-columns:calc((100% - 16px)/2)}
@media (max-width:900px){.reviews{grid-template-columns:1fr}.quotes .slider-track{grid-auto-columns:88%}}

/* historia */
.story{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.story .media{position:relative;aspect-ratio:4/5;overflow:hidden}
.story .media img{width:100%;height:115%;object-fit:cover;filter:grayscale(1) contrast(1.1);will-change:transform}
.story .media .stamp{position:absolute;left:16px;bottom:16px;background:var(--signal-500);color:var(--carbon-900);padding:14px 16px;font:800 1.5rem/1 var(--f-head);text-transform:uppercase}
.story .media .stamp small{display:block;font:500 .68rem var(--f-mono);letter-spacing:.06em;margin-top:6px}
.story blockquote{margin:28px 0;padding-left:20px;border-left:2px solid var(--signal-500);font:600 1.15rem/1.5 var(--f-body)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:28px}
.timeline div{padding:16px 12px 0 0}
.timeline b{font:800 1.6rem var(--f-head);display:block}
.timeline span{font-size:.84rem;color:var(--muted)}
@media (max-width:860px){.story{grid-template-columns:1fr}.story .media{aspect-ratio:4/3}}

/* oferta (R7) */
.deal{display:grid;grid-template-columns:1fr 1.2fr;border:1px solid var(--line);background:var(--surface)}
.deal .pic{background:#fff;display:grid;place-items:center;padding:30px;position:relative}
.deal .pic img{max-height:340px;object-fit:contain}
.deal .info{padding:clamp(24px,4vw,48px);display:flex;flex-direction:column;gap:14px}
.countdown{display:flex;gap:8px}
.countdown div{border:1px solid var(--line-2);min-width:70px;padding:10px 8px;text-align:center}
.countdown b{display:block;font:800 2.2rem/1 var(--f-head);font-variant-numeric:tabular-nums}
.countdown span{font:500 .66rem var(--f-mono);text-transform:uppercase;color:var(--muted)}
.arrivals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:6px}
.arrivals a{min-width:0;overflow-wrap:anywhere}
.arrivals a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);padding:10px;text-decoration:none;font-size:.8rem;line-height:1.3;transition:border-color .2s}
.arrivals a:hover{border-color:var(--signal-500)}
.arrivals img{aspect-ratio:1;object-fit:contain;background:#fff;width:100%}
@media (max-width:860px){.deal{grid-template-columns:1fr}.countdown div{min-width:0;flex:1}}

/* B2B */
.b2b{background:var(--carbon-900);color:#fff;position:relative;overflow:hidden}
.b2b .bgimg{position:absolute;inset:0;opacity:.18}
.b2b .bgimg img{width:100%;height:100%;object-fit:cover;filter:grayscale(1)}
.b2b .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.b2b ul{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.b2b li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.b2b li svg{width:20px;height:20px;color:var(--signal-500);flex:none;margin-top:2px}
@media (max-width:860px){.b2b .wrap{grid-template-columns:1fr}}

/* formularios */
.form{display:grid;gap:14px;background:var(--surface);color:var(--text);border:1px solid var(--line);padding:clamp(20px,3vw,32px)}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.form .two{grid-template-columns:1fr}}
.field{display:grid;gap:6px}
.field label{font:500 .74rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line-2);background:var(--bg);border-radius:var(--radius-sm);padding:0 14px;outline:none;transition:border-color .2s;width:100%}
.field textarea{height:auto;min-height:90px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--signal-500)}
.field [aria-invalid="true"]{border-color:var(--danger)}
.field .err{color:var(--danger);font-size:.8rem;min-height:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ok-msg{display:flex;gap:10px;align-items:center;padding:12px 14px;border:1px solid var(--success);color:var(--success);font-size:.9rem}

/* guías */
.guides{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guide{display:flex;flex-direction:column;border:1px solid var(--line);padding:22px;text-decoration:none;min-height:230px;transition:border-color .2s,transform .25s var(--ease);background:var(--surface)}
.guide:hover{border-color:var(--signal-500);transform:translateY(-3px)}
.guide .n{font:500 .72rem var(--f-mono);color:var(--signal-500)}
.guide h3{font-size:1.5rem;margin:18px 0 10px}
.guide p{font-size:.88rem;color:var(--muted);margin:0}
.guide .go{margin-top:auto;padding-top:18px;font:500 .78rem var(--f-mono);display:flex;justify-content:space-between}
.guide.pdf{background:var(--signal-500);color:var(--carbon-900);border-color:var(--signal-500)}
.guide.pdf .n,.guide.pdf p{color:rgba(11,12,14,.75)}
@media (max-width:980px){.guides{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.guides{grid-template-columns:1fr}.guide{min-height:0}}

/* FAQ (A11) */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;cursor:pointer;font:600 1.08rem/1.4 var(--f-body)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{width:36px;height:36px;border:1px solid var(--line-2);display:grid;place-items:center;flex:none;transition:transform .3s var(--ease),border-color .2s}
.faq details[open] summary .chev{transform:rotate(180deg);border-color:var(--signal-500);color:var(--signal-500)}
.faq .ans{overflow:hidden;color:var(--muted);padding:0 50px 22px 0}
.faq details[open] .ans{animation:faqIn .3s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* newsletter WA (R8) */
.news{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:clamp(28px,4vw,48px);border:1px solid var(--line);background:var(--surface)}
.news form{display:flex;border:1px solid var(--line-2);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg)}
.news .pre{display:grid;place-items:center;padding:0 12px;font:500 .9rem var(--f-mono);color:var(--muted);border-right:1px solid var(--line)}
.news input{flex:1;min-width:0;border:0;background:transparent;padding:0 14px;height:54px;outline:none}
.news .btn{border-radius:0;--h:54px}
@media (max-width:860px){.news{grid-template-columns:1fr}.news .btn span{display:none}}

/* contacto (R11) */
.visit{display:grid;grid-template-columns:1.2fr 1fr;gap:0;border:1px solid var(--line)}
.map{position:relative;min-height:440px;background:var(--carbon-800);overflow:hidden}
.map>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) brightness(.55)}
.map .load{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#fff;gap:12px;align-content:center;padding:20px}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.3)}
.visit .info{padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:18px;background:var(--surface)}
.hours{width:100%;border-collapse:collapse;font-size:.92rem}
.hours td{padding:9px 0;border-bottom:1px dashed var(--line-2)}
.hours td:last-child{text-align:right;font-family:var(--f-mono);font-size:.85rem}
.hours tr.today td{color:var(--signal-500);font-weight:600}
.status-box{display:flex;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--line-2);font-weight:600}
.contact-list{display:grid;gap:4px}
.contact-list a{display:flex;gap:12px;align-items:center;padding:10px 0;text-decoration:none;border-bottom:1px solid var(--line)}
.contact-list a:hover{color:var(--signal-500)}
.contact-list svg{width:18px;height:18px;color:var(--signal-500);flex:none}
@media (max-width:900px){.visit{grid-template-columns:1fr}.map{min-height:320px}}

/* footer */
.footer{background:var(--carbon-900);color:#D1D5DB;padding:72px 0 28px;border-top:3px solid var(--signal-500)}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{font:500 .74rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--steel-400);margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:.92rem}
.footer a{text-decoration:none}
.footer a:hover{color:var(--signal-500)}
.footer .logo img{height:54px}
.footer .big{font:800 clamp(3.4rem,11vw,10rem)/.85 var(--f-head);text-transform:uppercase;color:transparent;-webkit-text-stroke:1px #2F333A;margin:56px 0 24px;white-space:nowrap;overflow:hidden}
.footer .legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font:500 .74rem var(--f-mono);color:var(--steel-500);border-top:1px solid #1F2227;padding-top:22px}
.socials{display:flex;gap:8px;margin-top:18px}
.socials a{width:44px;height:44px;border:1px solid #2A2E35;display:grid;place-items:center}
.socials a:hover{border-color:var(--signal-500)}
.socials svg{width:18px;height:18px}
@media (max-width:860px){.footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer .cols{grid-template-columns:1fr}}

/* ---------- flotantes ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;align-items:center;gap:10px;height:56px;padding:0 20px 0 16px;border-radius:28px;background:var(--whatsapp);color:#062A14;font-weight:700;text-decoration:none;box-shadow:0 10px 30px rgba(0,0,0,.35);transform:scale(.8);opacity:0;pointer-events:none;transition:transform .3s var(--ease),opacity .3s}
.wa-float.show{transform:none;opacity:1;pointer-events:auto}
.wa-float svg{width:26px;height:26px}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--whatsapp);animation:ring 4s infinite}
@keyframes ring{0%,80%{transform:scale(1);opacity:0}85%{opacity:.8}100%{transform:scale(1.35);opacity:0}}
.list-bar{position:fixed;left:50%;bottom:18px;z-index:69;transform:translate(-50%,120px);display:flex;align-items:center;gap:14px;background:var(--carbon-900);color:#fff;border:1px solid #2A2E35;padding:8px 8px 8px 18px;box-shadow:var(--shadow-lift);transition:transform .35s var(--ease);font-size:.9rem;border-radius:var(--radius-md)}
.list-bar{visibility:hidden}.list-bar.show{transform:translate(-50%,0);visibility:visible}
.list-bar b{color:var(--signal-500);font-family:var(--f-mono)}
@media (max-width:640px){.wa-float{width:56px;padding:0;justify-content:center;bottom:84px}.wa-float span{display:none}.list-bar{left:12px;right:12px;transform:translateY(120px);justify-content:space-between}.list-bar.show{transform:none}body.has-buybar .list-bar,body.has-buybar .wa-float{display:none}}

/* drawer lista (R3) */
.overlay{position:fixed;inset:0;z-index:95;background:rgba(5,6,8,.6);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .25s}
.overlay.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;z-index:96;width:min(480px,100%);background:var(--bg-2);border-left:1px solid var(--line);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .35s var(--ease);visibility:hidden}
.drawer.open{transform:none;visibility:visible}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer header h2{font-size:1.9rem}
.drawer .items{flex:1;overflow:auto;padding:8px 20px}
.litem{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.litem img,.litem .ph{width:64px;height:64px;object-fit:contain;background:#fff;border-radius:2px}
.litem .ph{display:grid;place-items:center;background:var(--signal-500);color:var(--carbon-900)}
.litem .ph svg{width:28px;height:28px}
.litem .t{font-weight:600;font-size:.9rem;line-height:1.3}
.litem .v{font:500 .72rem var(--f-mono);color:var(--muted);margin-top:2px}
.litem .row{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
.litem .note{width:100%;margin-top:8px;height:36px;border:1px dashed var(--line-2);background:transparent;padding:0 10px;font-size:.82rem;border-radius:2px;outline:none}
.litem .note:focus{border-color:var(--signal-500);border-style:solid}
.qty{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--radius-sm);overflow:hidden}
.qty button{width:36px;height:36px;border:0;background:transparent;font-size:1.1rem}
.qty button:hover{background:var(--surface-2)}
.qty input{width:48px;height:36px;border:0;border-left:1px solid var(--line-2);border-right:1px solid var(--line-2);background:transparent;text-align:center;font-family:var(--f-mono);-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.litem .sub{margin-left:auto;font:700 1rem var(--f-head)}
.litem .rm{border:0;background:transparent;color:var(--muted);font-size:.78rem;text-decoration:underline;min-height:36px}
.drawer footer{border-top:1px solid var(--line);padding:16px 20px 20px;display:grid;gap:10px;background:var(--bg)}
.drawer .total{display:flex;justify-content:space-between;align-items:baseline}
.drawer .total b{font:800 2rem var(--f-head)}
.deliv{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.deliv label{display:flex;gap:8px;align-items:center;border:1px solid var(--line-2);padding:10px 12px;cursor:pointer;font-size:.88rem;border-radius:var(--radius-sm);min-height:44px}
.deliv label:has(input:checked){border-color:var(--signal-500);color:var(--signal-500)}
.deliv input{accent-color:var(--signal-500)}
.empty{padding:50px 10px;text-align:center;color:var(--muted)}
.empty svg{width:48px;height:48px;margin:0 auto 14px;color:var(--line-2)}

/* modal búsqueda (A20) */
.search-modal{position:fixed;inset:0;z-index:100;display:flex;justify-content:center;align-items:flex-start;padding:10vh 16px 16px;background:rgba(5,6,8,.65);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .2s}
.search-modal.show{opacity:1;pointer-events:auto}
.search-box{width:min(720px,100%);background:var(--bg-2);border:1px solid var(--line-2);box-shadow:var(--shadow-lift);transform:translateY(-12px) scale(.98);transition:transform .25s var(--ease);max-height:78vh;display:flex;flex-direction:column}
.search-modal.show .search-box{transform:none}
.search-box .in{display:flex;align-items:center;gap:12px;padding:0 16px;border-bottom:1px solid var(--line)}
.search-box .in svg{width:22px;height:22px;color:var(--signal-500)}
.search-box input{flex:1;height:64px;border:0;background:transparent;font-size:1.15rem;outline:none;min-width:0}
.search-box .res{overflow:auto;padding:8px}
.sres{display:flex;gap:14px;align-items:center;padding:10px;text-decoration:none;border-radius:var(--radius-sm);animation:viewIn .25s var(--ease) both;animation-delay:calc(var(--i) * 30ms)}
.sres:hover,.sres.act{background:var(--surface)}
.sres img,.sres .ph{width:48px;height:48px;object-fit:contain;background:#fff;flex:none;border-radius:2px}
.sres .t{font-weight:600;font-size:.92rem;line-height:1.3}
.sres .m{font:500 .72rem var(--f-mono);color:var(--muted)}
.sres .p{margin-left:auto;font:700 1rem var(--f-head);white-space:nowrap}
.search-box .hint{padding:12px 16px;border-top:1px solid var(--line);font:500 .72rem var(--f-mono);color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}

/* ---------- catálogo ---------- */
.page-head{padding:48px 0 32px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2.4rem,6vw,4.4rem)}
.page-head p{color:var(--muted);max-width:640px;margin:14px 0 0}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font:500 .74rem var(--f-mono);color:var(--muted);margin-bottom:18px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--signal-500)}
.catalog{display:grid;grid-template-columns:260px 1fr;gap:32px;padding:32px 0 80px}
.filters{position:sticky;top:90px;align-self:start;display:grid;gap:22px;max-height:calc(100vh - 110px);overflow:auto;padding-right:6px}
.fgroup h4{font:500 .74rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.fopt{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:.9rem;cursor:pointer;min-height:36px}
.fopt input{accent-color:var(--signal-500);width:18px;height:18px}
.fopt .c{margin-left:auto;font:500 .72rem var(--f-mono);color:var(--muted)}
.range{display:flex;gap:8px}
.range input{width:100%;height:42px;border:1px solid var(--line-2);background:var(--bg);padding:0 10px;border-radius:var(--radius-sm);font-family:var(--f-mono);font-size:.85rem}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.toolbar .search{flex:1;min-width:200px;display:flex;align-items:center;gap:10px;border:1px solid var(--line-2);padding:0 12px;height:48px;background:var(--surface);border-radius:var(--radius-sm)}
.toolbar .search input{flex:1;border:0;background:transparent;outline:none;min-width:0}
.toolbar .search svg{width:18px;height:18px;color:var(--muted)}
.toolbar select{height:48px;border:1px solid var(--line-2);background:var(--surface);padding:0 12px;border-radius:var(--radius-sm)}
.active-f{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.active-f button{display:flex;gap:6px;align-items:center;font:500 .76rem var(--f-mono);border:1px solid var(--signal-500);color:var(--signal-500);background:transparent;padding:6px 10px;border-radius:2px;min-height:34px}
.rcount{font:500 .78rem var(--f-mono);color:var(--muted)}
.filters-toggle{display:none}
.cat-copy{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);color:var(--muted);max-width:760px;font-size:.95rem}
@media (max-width:900px){
  .catalog{grid-template-columns:1fr}
  .filters{position:fixed;inset:auto 0 0 0;top:auto;z-index:97;max-height:80vh;background:var(--bg-2);border-top:1px solid var(--line-2);padding:20px var(--gutter) 90px;transform:translateY(100%);transition:transform .3s var(--ease);visibility:hidden}
  .filters.open{transform:none;visibility:visible}
  .filters .apply{position:fixed;left:var(--gutter);right:var(--gutter);bottom:16px}
  .filters-toggle{display:inline-flex}
}
@media (min-width:901px){.filters .apply{display:none}}

/* ---------- ficha producto (R10) ---------- */
.pdp{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,4vw,56px);padding:28px 0 64px}
.gallery{position:sticky;top:90px;align-self:start}
.gallery .main{width:100%;padding:0;background:#fff;aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--line);cursor:zoom-in;position:relative;overflow:hidden}
.gallery .main img{width:88%;height:88%;object-fit:contain;transition:transform .35s var(--ease)}
.gallery .main:hover img{transform:scale(1.04)}
.gallery .zoom{position:absolute;right:12px;bottom:12px;background:var(--carbon-900);color:#fff;font:500 .7rem var(--f-mono);padding:6px 8px}
.pdp h1{font:800 clamp(2rem,4vw,3.1rem)/.98 var(--f-head);margin:10px 0 14px}
.pdp .meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pdp .pprice{font:800 clamp(2.4rem,5vw,3.4rem)/1 var(--f-head);margin:22px 0 4px}
.pdp .pnote{font:500 .74rem var(--f-mono);color:var(--muted)}
.variants{margin:22px 0}
.variants h4{font:500 .74rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px}
.vopts{display:flex;gap:8px;flex-wrap:wrap}
.vopts button{min-height:44px;min-width:52px;padding:0 14px;border:1px solid var(--line-2);background:transparent;border-radius:var(--radius-sm);font-size:.88rem;transition:all .15s}
.vopts button:hover{border-color:var(--text)}
.vopts button[aria-pressed="true"]{border-color:var(--signal-500);background:var(--signal-500);color:var(--carbon-900);font-weight:600}
.buy{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0}
.buy .qty button,.buy .qty input{height:48px}
.buy .qty button{width:44px}
.specs{width:100%;border-collapse:collapse;margin-top:10px;font-size:.92rem}
.specs th,.specs td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line)}
.specs th{font:500 .74rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);width:42%}
.buyinfo{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);margin-top:26px}
.buyinfo div{padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.86rem}
.buyinfo div:nth-child(2n){border-right:0}
.buyinfo div:nth-last-child(-n+2){border-bottom:0}
.buyinfo b{display:flex;gap:8px;align-items:center;font-size:.9rem;margin-bottom:4px}
.buyinfo svg{width:18px;height:18px;color:var(--signal-500)}
.calcq{margin-top:22px;border:1px dashed var(--line-2);padding:16px;font-size:.88rem}
@media (max-width:900px){.pdp{grid-template-columns:1fr}.gallery{position:relative;top:0}}
@media (max-width:420px){.buyinfo{grid-template-columns:1fr}.buyinfo div{border-right:0}.buyinfo div:nth-last-child(2){border-bottom:1px solid var(--line)}}
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:68;background:var(--carbon-900);color:#fff;border-top:1px solid #2A2E35;display:none;align-items:center;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .3s var(--ease)}
.buybar.show{transform:none}
.buybar .pr{font:800 1.3rem/1 var(--f-head);margin-right:auto}
.buybar .pr small{display:block;font:500 .64rem var(--f-mono);color:var(--steel-400)}
.buybar .btn{--h:46px;padding:0 14px}
@media (max-width:900px){.buybar{display:flex}}

/* lightbox (A16) */
.lightbox{position:fixed;inset:0;z-index:110;background:rgba(5,6,8,.92);display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .25s}
.lightbox.show{opacity:1;pointer-events:auto}
.lightbox figure{margin:0;max-width:min(1100px,92vw);max-height:84vh;transform:scale(.9);transition:transform .35s var(--ease);display:flex;flex-direction:column;gap:12px}
.lightbox.show figure{transform:none}
.lightbox img{max-height:76vh;width:auto;margin:0 auto;object-fit:contain;background:#fff}
.lightbox img.photo{background:none}
.lightbox figcaption{color:#cbd0d6;font:500 .8rem var(--f-mono);text-align:center}
.lightbox .x{position:absolute;top:16px;right:16px;color:#fff;border-color:rgba(255,255,255,.3)}
.lightbox .prev,.lightbox .next{position:absolute;top:50%;transform:translateY(-50%);color:#fff;border-color:rgba(255,255,255,.3)}
.lightbox .prev{left:16px}.lightbox .next{right:16px}

/* galería local */
.shots{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:220px 220px;gap:10px}
.shots button{padding:0;border:0;overflow:hidden;position:relative;background:#000}
.shots button:first-child{grid-row:span 2}
.shots img{width:100%;height:100%;object-fit:cover;filter:grayscale(.85) contrast(1.05);transition:filter .4s,transform .5s var(--ease)}
.shots button:hover img{filter:none;transform:scale(1.04)}
.shots span{position:absolute;left:10px;bottom:10px;font:500 .7rem var(--f-mono);background:rgba(11,12,14,.8);color:#fff;padding:5px 8px}
@media (max-width:760px){.shots{grid-template-columns:1fr 1fr;grid-template-rows:180px 140px 140px}.shots button:first-child{grid-column:span 2;grid-row:auto}}

/* ---------- asesor (R1) ---------- */
.wizard{border:1px solid var(--line);background:var(--surface);max-width:980px;margin:0 auto}
.wz-top{display:flex;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line)}
.wz-prog{flex:1;height:4px;background:var(--line);position:relative;overflow:hidden}
.wz-prog i{position:absolute;inset:0;background:var(--signal-500);transform-origin:left;transition:transform .4s var(--ease)}
.wz-body{padding:clamp(20px,4vw,40px)}
.wz-body h2{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:8px}
.wz-opts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.wz-opts.three{grid-template-columns:repeat(3,1fr)}
.wz-opt{display:flex;flex-direction:column;gap:10px;text-align:left;padding:20px 18px;min-height:150px;border:1px solid var(--line-2);background:var(--bg);border-radius:var(--radius-sm);transition:all .2s;animation:viewIn .3s var(--ease) both;animation-delay:calc(var(--i) * 60ms)}
.wz-opt:hover{border-color:var(--signal-500);transform:translateY(-2px)}
.wz-opt[aria-pressed="true"]{border-color:var(--signal-500);background:var(--signal-500);color:var(--carbon-900)}
.wz-opt[aria-pressed="true"] small{color:rgba(11,12,14,.75)}
.wz-opt svg{width:30px;height:30px}
.wz-opt b{font:800 1.4rem/1 var(--f-head);text-transform:uppercase}
.wz-opt small{color:var(--muted);font-size:.8rem;line-height:1.35}
.wz-nav{display:flex;justify-content:space-between;gap:10px;padding:16px 22px;border-top:1px solid var(--line)}
.recs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.rec{border:1px solid var(--line-2);padding:18px;display:flex;flex-direction:column;gap:8px;background:var(--bg);animation:viewIn .35s var(--ease) both;animation-delay:calc(var(--i) * 90ms)}
.rec .k{font:500 .7rem var(--f-mono);color:var(--signal-500);text-transform:uppercase;letter-spacing:.06em}
.rec h3{font:700 1.08rem/1.3 var(--f-body);text-transform:none}
.rec dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:6px 0 0;font-size:.83rem}
.rec dt{font:500 .7rem var(--f-mono);color:var(--muted);text-transform:uppercase;padding-top:2px}
.rec dd{margin:0}
.rec img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}
.rec .ph{aspect-ratio:4/3;display:grid;place-items:center;background:var(--signal-500);color:var(--carbon-900)}
.rec .ph svg{width:56px;height:56px}
.why-box{margin-top:18px;padding:14px 16px;border-left:2px solid var(--signal-500);background:var(--bg);font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.wz-opts,.wz-opts.three{grid-template-columns:1fr 1fr}.recs{grid-template-columns:1fr}}
@media (max-width:420px){.wz-opt{min-height:120px;padding:14px}.wz-opt b{font-size:1.15rem}}

/* confeti sobrio (R12) */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:120;overflow:hidden}
.confetti i{position:absolute;top:-10px;width:6px;height:12px;background:var(--signal-500);animation:fall 1.4s var(--ease) forwards}
@keyframes fall{to{transform:translate(var(--dx),105vh) rotate(var(--r));opacity:.2}}

/* ---------- bulonería configurador ---------- */
.bconf{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;padding:32px 0 80px}
.bconf .panel{border:1px solid var(--line);background:var(--surface);padding:clamp(18px,3vw,30px)}
.bconf .types{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.bconf .types button{display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;padding:14px;border:1px solid var(--line-2);background:var(--bg);border-radius:var(--radius-sm);min-height:92px;transition:all .15s}
.bconf .types button svg{width:28px;height:28px;color:var(--signal-500)}
.bconf .types button b{font-size:.9rem;line-height:1.2}
.bconf .types button[aria-pressed="true"]{border-color:var(--signal-500);background:var(--signal-500);color:var(--carbon-900)}
.bconf .types button[aria-pressed="true"] svg{color:var(--carbon-900)}
.bconf h3{font-size:1.3rem;margin:24px 0 12px}
.bconf h3:first-child{margin-top:0}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{min-height:40px;padding:0 12px;border:1px solid var(--line-2);background:transparent;border-radius:var(--radius-sm);font:500 .84rem var(--f-mono)}
.seg button[aria-pressed="true"]{border-color:var(--signal-500);color:var(--signal-500);background:rgba(255,195,0,.08)}
.bsummary{position:sticky;top:90px;align-self:start}
.bsummary .plate{background:var(--carbon-900);color:#fff;padding:24px;border:1px solid #2A2E35}
.bsummary .plate .code{font:800 clamp(2rem,4vw,2.8rem)/1 var(--f-head);color:var(--signal-500);margin:12px 0 18px;word-break:break-word}
.bsummary .plate dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:.88rem;margin:0}
.bsummary .plate dt{font:500 .7rem var(--f-mono);color:var(--steel-400);text-transform:uppercase;padding-top:3px}
.bsummary .plate dd{margin:0}
.bsummary .draw{margin:20px auto 0;display:block;width:100%;max-width:300px;height:130px;color:var(--signal-500)}
@media (max-width:900px){.bconf{grid-template-columns:1fr}.bsummary{position:relative;top:0}}

/* herramientas (R4) */
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:32px 0 80px}
.tool{border:1px solid var(--line);background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:14px}
.tool>.tag{align-self:flex-start}
.tool h2{font-size:1.9rem}
.tool .out{margin-top:auto;border-top:1px dashed var(--line-2);padding-top:14px}
.tool .out b{display:block;font:800 2.6rem/1 var(--f-head);color:var(--signal-500)}
.tool .out span{font:500 .74rem var(--f-mono);color:var(--muted)}
.mtable{width:100%;border-collapse:collapse;font-family:var(--f-mono);font-size:.8rem}
.mtable th,.mtable td{padding:7px 6px;border-bottom:1px solid var(--line);text-align:left}
.mtable th{color:var(--muted);font-weight:500;font-size:.7rem;text-transform:uppercase}
.mtable tr.hi td{background:rgba(255,195,0,.12);color:var(--signal-500)}
.tblwrap{overflow:auto;max-height:280px;border:1px solid var(--line)}
@media (max-width:1000px){.tools{grid-template-columns:1fr}}

/* guía (A10) */
.readbar{position:fixed;top:0;left:0;right:0;height:3px;z-index:80;background:var(--signal-500);transform-origin:left;transform:scaleX(0)}
.article{max-width:760px;margin:0 auto;padding:40px var(--gutter) 90px}
.article h1{font-size:clamp(2.4rem,6vw,4rem);margin-bottom:18px}
.article h2{font-size:1.9rem;margin:40px 0 14px}
.article p,.article li{color:var(--muted);font-size:1.03rem}
.article strong{color:var(--text)}
.article .lead{font-size:1.2rem;color:var(--text)}
.article .tblwrap{max-height:none;margin:14px 0}

/* cookies */
.cookie{position:fixed;left:16px;bottom:16px;z-index:75;width:min(420px,calc(100% - 32px));background:var(--carbon-900);color:#E5E7EB;border:1px solid #2A2E35;padding:16px;font-size:.84rem;box-shadow:var(--shadow-lift);display:grid;gap:12px}
.cookie[hidden]{display:none}
.cookie .row{display:flex;gap:8px;justify-content:flex-end}

/* panel de eventos demo */
.evpanel{position:fixed;left:16px;bottom:16px;z-index:74;width:min(340px,calc(100% - 32px));max-height:280px;overflow:auto;background:rgba(11,12,14,.94);color:#D1D5DB;border:1px solid #2A2E35;font:500 .72rem/1.5 var(--f-mono);padding:10px 12px;display:none}
.evpanel.show{display:block}
.evpanel .e{padding:4px 0;border-bottom:1px solid #1F2227;animation:viewIn .2s both}
.evpanel .e b{color:var(--signal-500)}

/* toast (R12) */
.toast{position:fixed;left:50%;top:90px;z-index:130;transform:translate(-50%,-20px);opacity:0;background:var(--carbon-900);color:#fff;border:1px solid var(--success);padding:12px 16px;display:flex;gap:10px;align-items:center;font-size:.9rem;transition:all .3s var(--ease);pointer-events:none;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast svg{width:20px;height:20px;color:var(--success);flex:none}

.demo-tag{position:fixed;right:18px;top:120px;z-index:50;writing-mode:vertical-rl;font:500 .66rem var(--f-mono);letter-spacing:.14em;text-transform:uppercase;background:var(--carbon-900);color:var(--steel-400);border:1px solid #2A2E35;padding:10px 6px;text-decoration:none}
.demo-tag:hover{color:var(--signal-500)}
@media (max-width:760px){.demo-tag{display:none}}

/* impresión: solo la lista (PDF) */
.print-area{display:none}
@media print{
  body>*:not(.print-area){display:none!important}
  .print-area{display:block!important;color:#000;font:12pt/1.4 Inter,sans-serif}
  .print-area table{width:100%;border-collapse:collapse}
  .print-area td,.print-area th{border-bottom:1px solid #ccc;padding:6px;text-align:left}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.15s!important;scroll-behavior:auto!important}
  .rv{transform:none}
  .marquee .row{animation:none;flex-wrap:wrap;width:auto;justify-content:center}
  .hero-media img{animation:none}
}

/* hijos de grilla: evitar que el contenido (sliders, tablas) estire la columna */
.reviews>*,.deal>*,.story>*,.visit>*,.advisor-cta>*,.bconf>*,.pdp>*,.catalog>*,.b2b .wrap>*,.news>*,.hero-grid>*,.sec-head>*,.tools>*,#ccGrid>*{min-width:0}
.topbar .wrap{white-space:nowrap}
.topbar .status{min-width:0}
.topbar .status span:last-child{overflow:hidden;text-overflow:ellipsis}
.buybar{visibility:hidden}.buybar.show{visibility:visible}

/* franja de propuesta demo */
.demo-strip{background:#000;color:#C7CBD1;font:500 .7rem/1 var(--f-mono);letter-spacing:.05em;border-bottom:1px solid #2A2E35}
.demo-strip .wrap{display:flex;justify-content:space-between;gap:12px;min-height:28px;align-items:center;white-space:nowrap;overflow:hidden}
.demo-strip span{overflow:hidden;text-overflow:ellipsis}
.demo-strip b{color:var(--signal-500)}
.demo-strip a{color:#fff}
@media (max-width:760px){.demo-strip .hide-sm{display:none}}