/* ============================================================
   OWELL TOOLS — sistema visual (compartido en todas las páginas)
   Derivado del empaque PRO 200: lima #a4d925 sobre negro #11151d
   ============================================================ */
:root{
  --negro:#11151d;
  --negro-900:#0a0d12;
  --carbon:#171c26;
  --acero:#2a3342;
  --lima:#a4d925;
  --lima-alta:#c3f24a;
  --humo:#98a3b3;
  --blanco:#f2f5ee;

  --display:'Saira',system-ui,sans-serif;
  --data:'Chakra Petch',ui-monospace,monospace;
  --texto:'Barlow',system-ui,sans-serif;

  --chaflan: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  --borde:1px solid var(--acero);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--negro-900);color:var(--blanco);
  font-family:var(--texto);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--lima);outline-offset:3px}
::selection{background:var(--lima);color:var(--negro)}

.wrap{width:min(1180px,100% - 44px);margin-inline:auto}
.sec{padding:clamp(60px,8.5vw,116px) 0;position:relative}
.sec--carbon{background:var(--carbon)}
.sec--negro{background:var(--negro)}

/* Franja diagonal tomada del filo inferior de la caja */
.hatch{height:13px;background:repeating-linear-gradient(115deg,var(--lima) 0 9px,transparent 9px 20px);opacity:.9}
.hatch--tenue{opacity:.28}

.eyebrow{
  font-family:var(--data);font-weight:600;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lima);margin:0 0 14px;display:block;
}
h1,h2,h3,h4{font-family:var(--display);font-weight:900;letter-spacing:-.015em;text-transform:uppercase;margin:0;line-height:1.02}
h2{font-size:clamp(30px,4.4vw,54px)}
h3{font-size:clamp(20px,2.2vw,26px);letter-spacing:0}
p{margin:0 0 16px}
.lead{color:var(--humo);font-size:clamp(16px,1.35vw,19px);max-width:62ch}
.sec__head{margin-bottom:clamp(34px,4vw,56px);max-width:760px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--data);font-weight:700;font-size:14px;letter-spacing:.09em;text-transform:uppercase;
  padding:15px 26px;border-radius:2px;border:2px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--lima{background:var(--lima);color:var(--negro)}
.btn--lima:hover{background:var(--lima-alta)}
.btn--linea{border-color:var(--acero);color:var(--blanco)}
.btn--linea:hover{border-color:var(--lima);color:var(--lima)}
.btn--negro{background:var(--negro);color:var(--blanco)}
.btn--negro:hover{background:#000}
.btn--sm{padding:11px 18px;font-size:12.5px}
.btn svg{width:17px;height:17px;flex:none}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn[disabled]:hover{transform:none}

/* ---------- Barra de envío gratis (arriba de todo) ---------- */
.topbar{background:var(--lima);color:var(--negro)}
.topbar__in{display:flex;align-items:center;justify-content:center;gap:10px;
  min-height:34px;padding:6px 16px;text-align:center;
  font-family:var(--data);font-weight:700;font-size:12px;letter-spacing:.05em;text-transform:uppercase;line-height:1.35}
.topbar__in svg{width:16px;height:16px;flex:none}
.topbar b{font-weight:700}

/* ---------- Cabecera ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(10,13,18,.86);
  backdrop-filter:blur(14px);border-bottom:var(--borde);
}
.site-header__in{display:flex;align-items:center;gap:26px;height:74px}
.brand{font-family:var(--display);font-style:italic;font-weight:900;font-size:29px;letter-spacing:-.03em;line-height:1;display:flex;align-items:flex-start}
.brand sup{font-size:11px;font-style:normal;margin-left:2px;margin-top:3px;color:var(--lima)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{font-family:var(--data);font-weight:600;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--humo);padding:6px 0;border-bottom:2px solid transparent;transition:color .16s,border-color .16s}
.nav a:hover{color:var(--blanco);border-color:var(--lima)}
.header-cta{margin-left:6px}
.burger{display:none;margin-left:auto;background:none;border:var(--borde);border-radius:2px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--blanco);margin:4px 0}

/* ---------- Botón carrito en la cabecera ---------- */
.cart-link{position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:var(--borde);border-radius:2px;color:var(--blanco);transition:border-color .16s,color .16s}
.cart-link:hover{border-color:var(--lima);color:var(--lima)}
.cart-link svg{width:21px;height:21px}
.cart-count{position:absolute;top:-8px;right:-8px;min-width:20px;height:20px;padding:0 5px;
  background:var(--lima);color:var(--negro);border-radius:20px;font-family:var(--data);font-weight:700;
  font-size:11px;display:flex;align-items:center;justify-content:center;line-height:1}
.cart-count[hidden]{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(70% 55% at 72% 42%,rgba(164,217,37,.16),transparent 62%),
  linear-gradient(180deg,var(--negro) 0%,var(--negro-900) 100%);
  padding:clamp(52px,7vw,92px) 0 0;
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{font-size:clamp(42px,6.6vw,86px);line-height:.92}
.hero h1 em{font-style:normal;color:var(--lima);display:block}
.hero__sub{color:var(--humo);max-width:46ch;margin-top:20px;font-size:17.5px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-family:var(--data);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--humo)}
.hero__meta b{color:var(--blanco);font-weight:600}

.hero__art{position:relative;display:flex;justify-content:center;align-items:center;min-height:340px}
.arc{position:absolute;inset:auto;width:min(430px,86%);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(164,217,37,.42) 0%,rgba(164,217,37,.10) 42%,transparent 68%);filter:blur(6px)}
.hero__art img{position:relative;width:min(430px,90%);filter:drop-shadow(0 30px 50px rgba(0,0,0,.6))}
.amp-tag{
  position:absolute;right:2%;bottom:6%;background:var(--lima);color:var(--negro);
  font-family:var(--display);font-weight:900;font-size:clamp(30px,4.4vw,48px);line-height:.85;
  padding:14px 18px 12px;clip-path:var(--chaflan);
}
.amp-tag small{display:block;font-family:var(--data);font-weight:700;font-size:10.5px;letter-spacing:.14em;margin-top:5px}

/* Tira de funciones — como el filo inferior de la caja */
.featstrip{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--acero);border-top:var(--borde);margin-top:clamp(40px,5vw,68px)}
.feat{background:var(--negro-900);padding:20px 16px;display:flex;flex-direction:column;gap:8px}
.feat svg{width:24px;height:24px;color:var(--lima)}
.feat span{font-family:var(--data);font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;line-height:1.35}

/* ---------- Barra de confianza ---------- */
.trust{background:var(--lima);color:var(--negro)}
.trust__in{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:26px 0}
.trust__item{display:flex;gap:12px;align-items:flex-start}
.trust__item svg{width:22px;height:22px;flex:none;margin-top:2px}
.trust__item b{display:block;font-family:var(--data);font-weight:700;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase}
.trust__item small{font-size:13.5px;opacity:.78;line-height:1.4;display:block;font-family:var(--texto)}

/* ---------- Máquinas ---------- */
.machines{display:grid;gap:26px}
.machine{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:0;
  background:var(--negro);border:var(--borde);clip-path:var(--chaflan);
}
.machine__media{position:relative;padding:34px;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(60% 60% at 50% 45%,rgba(164,217,37,.13),transparent 70%);border-right:var(--borde)}
.machine__media img{width:min(320px,100%)}
.tag{position:absolute;top:20px;left:20px;background:var(--lima);color:var(--negro);font-family:var(--data);font-weight:700;font-size:11px;letter-spacing:.13em;text-transform:uppercase;padding:6px 11px}
.tag--gris{background:var(--acero);color:var(--blanco)}
.machine__body{padding:clamp(26px,3vw,40px)}
.machine__body h3{font-size:clamp(24px,2.8vw,34px);font-weight:900;text-transform:uppercase}
.machine__body .lead{font-size:16px;margin-top:12px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.pill{font-family:var(--data);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--lima);border:1px solid rgba(164,217,37,.4);padding:5px 10px;border-radius:2px}
.price{font-family:var(--display);font-weight:900;font-size:34px;line-height:1;display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.price small{font-family:var(--texto);font-weight:400;font-size:13px;color:var(--humo);letter-spacing:0;text-transform:none}
.machine__cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* Placa de datos — elemento firma */
.plate{
  position:relative;background:linear-gradient(160deg,#1d2432,#141a24);
  border:1px solid #333e4f;box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  padding:18px 20px;clip-path:var(--chaflan);
}
.plate__hd{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px dashed #3a4557;padding-bottom:10px;margin-bottom:10px}
.plate__hd b,.plate__hd span{font-family:var(--data);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.plate__hd b{color:var(--lima);font-weight:700}
.plate__hd span{color:var(--humo)}
.plate__row{display:flex;align-items:baseline;gap:8px;padding:5px 0;font-family:var(--data);font-size:13.5px}
.plate__row .k{color:var(--humo);white-space:nowrap;font-weight:500}
.plate__row .dots{flex:1;border-bottom:1px dotted #3a4557;transform:translateY(-4px)}
.plate__row .v{color:var(--blanco);font-weight:700;white-space:nowrap}
.rivet{position:absolute;width:7px;height:7px;border-radius:50%;background:radial-gradient(circle at 32% 32%,#6c788c,#252c39)}
.rivet.tl{top:9px;left:9px}.rivet.bl{bottom:9px;left:9px}.rivet.br{bottom:9px;right:9px}

.incluye{margin-top:20px;border-top:var(--borde);padding-top:16px}
.incluye b{font-family:var(--data);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--humo)}
.incluye ul{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px}
.incluye li{font-size:14.5px;display:flex;gap:8px;align-items:center;color:var(--blanco)}
.incluye li::before{content:"";width:6px;height:6px;background:var(--lima);flex:none}

/* ---------- Electrodos E6011 ---------- */
.elec{background:
  linear-gradient(180deg,var(--negro) 0%,var(--negro-900) 100%);
  position:relative}
.elec__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,4vw,60px);align-items:start}
.calc{background:var(--carbon);border:var(--borde);clip-path:var(--chaflan);padding:clamp(22px,2.6vw,32px)}
.calc__hd{font-family:var(--data);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--humo);margin-bottom:16px}
.diam-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:24px}
.diam{
  background:transparent;border:1px solid var(--acero);color:var(--humo);cursor:pointer;
  padding:12px 6px;border-radius:2px;font-family:var(--data);font-weight:700;font-size:15px;
  transition:all .18s ease;line-height:1.25;
}
.diam small{display:block;font-size:10.5px;letter-spacing:.1em;opacity:.75;margin-top:3px;font-weight:500}
.diam:hover{border-color:var(--lima);color:var(--blanco)}
.diam[aria-pressed="true"]{background:var(--lima);border-color:var(--lima);color:var(--negro)}
.gauge{display:block;width:100%;max-width:330px;margin:0 auto}
.gauge .track{fill:none;stroke:var(--acero);stroke-width:15}
.gauge .rango{fill:none;stroke:var(--lima);stroke-width:15;transition:stroke-dasharray .55s cubic-bezier(.22,1,.36,1),stroke-dashoffset .55s cubic-bezier(.22,1,.36,1)}
.gauge .tick{stroke:#39445a;stroke-width:2}
.gauge text{font-family:var(--data);fill:var(--humo);font-size:11px;letter-spacing:.1em}
.gauge .big{fill:var(--blanco);font-size:34px;font-weight:700;letter-spacing:-.01em}
.gauge .cap{fill:var(--lima);font-size:11px;letter-spacing:.18em}
.calc__out{margin-top:18px;border-top:var(--borde);padding-top:16px;display:grid;gap:9px}
.calc__out div{display:flex;gap:10px;align-items:baseline;font-size:15px}
.calc__out .k{font-family:var(--data);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--humo);min-width:112px}
.nota{font-size:13px;color:var(--humo);margin-top:16px;line-height:1.5}

.bene{display:grid;gap:2px;background:var(--acero);border:var(--borde);margin-top:26px}
.bene__i{background:var(--negro);padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
.bene__i svg{width:20px;height:20px;color:var(--lima);flex:none;margin-top:3px}
.bene__i b{display:block;font-family:var(--data);font-weight:700;font-size:13.5px;letter-spacing:.05em;text-transform:uppercase}
.bene__i p{margin:3px 0 0;font-size:14.5px;color:var(--humo);line-height:1.5}
.usos{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.uso{font-family:var(--data);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--carbon);border:var(--borde);color:var(--blanco);padding:7px 12px}

/* ---------- Tecnología ---------- */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--acero);border:var(--borde)}
.tech{background:var(--negro);padding:clamp(22px,2.4vw,30px);transition:background .2s}
.tech:hover{background:#141924}
.tech svg{width:30px;height:30px;color:var(--lima);margin-bottom:14px}
.tech h4{font-size:17px;letter-spacing:.02em;margin-bottom:8px}
.tech p{color:var(--humo);font-size:14.5px;margin:0;line-height:1.55}

/* ---------- Repuestos ---------- */
.parts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.part{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.part:hover{border-color:var(--lima);transform:translateY(-3px)}
.part__media{background:#0f131b;padding:22px;display:flex;align-items:center;justify-content:center;min-height:150px;border-bottom:var(--borde)}
.part__media img{max-height:120px;width:auto}
.part__body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.part__body h4{font-size:15px;letter-spacing:.01em;line-height:1.25}
.part__spec{font-family:var(--data);font-size:12px;letter-spacing:.05em;color:var(--humo);text-transform:uppercase}
.part__price{font-family:var(--display);font-weight:900;font-size:23px;color:var(--lima);margin-top:auto}
.part__price small{font-family:var(--texto);font-weight:400;font-size:11.5px;color:var(--humo);display:block;letter-spacing:0}

/* ---------- Ferreterías / mayoreo ---------- */
.b2b{background:var(--negro);position:relative;
  background-image:linear-gradient(rgba(42,51,66,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(42,51,66,.5) 1px,transparent 1px);
  background-size:46px 46px}
.b2b__panel{background:linear-gradient(150deg,#161c27,#10141c);border:var(--borde);clip-path:var(--chaflan);
  padding:clamp(28px,4vw,56px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.b2b__list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.b2b__list li{display:flex;gap:13px;align-items:flex-start;font-size:15.5px}
.b2b__list svg{width:19px;height:19px;color:var(--lima);flex:none;margin-top:4px}
.b2b__list b{font-family:var(--data);font-weight:700;letter-spacing:.03em}

/* ---------- Nosotros ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--acero);border:var(--borde);margin-top:38px}
.stat{background:var(--negro);padding:26px 22px;text-align:center}
.stat b{display:block;font-family:var(--display);font-weight:900;font-size:clamp(30px,3.6vw,44px);color:var(--lima);line-height:1}
.stat span{font-family:var(--data);font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--humo);margin-top:7px;display:block}

.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:44px}
.quote{background:var(--carbon);border:var(--borde);border-left:3px solid var(--lima);padding:24px}
.quote p{font-size:15.5px;color:var(--blanco);margin:0 0 14px;line-height:1.6}
.quote b{font-family:var(--data);font-size:13px;letter-spacing:.05em;text-transform:uppercase;display:block}
.quote span{font-size:13px;color:var(--humo)}

/* ---------- FAQ ---------- */
.qa{border-bottom:var(--borde)}
.qa summary{
  cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;
  font-family:var(--display);font-weight:600;text-transform:none;font-size:17.5px;letter-spacing:0;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:8px;top:17px;color:var(--lima);font-family:var(--data);font-size:24px;font-weight:600;transition:transform .2s}
.qa[open] summary::after{content:"–"}
.qa p{color:var(--humo);font-size:15.5px;padding:0 44px 22px 0;margin:0}

/* ---------- Contacto ---------- */
.contact__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:start}
.form{display:grid;gap:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-family:var(--data);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--humo);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;background:var(--negro);border:var(--borde);border-radius:2px;color:var(--blanco);
  font-family:var(--texto);font-size:15.5px;padding:13px 14px;transition:border-color .18s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lima);outline:none}
.field textarea{resize:vertical;min-height:112px}
.contact__data{display:grid;gap:2px;background:var(--acero);border:var(--borde)}
.cdata{background:var(--negro);padding:20px 22px;display:flex;gap:15px;align-items:flex-start}
.cdata svg{width:21px;height:21px;color:var(--lima);flex:none;margin-top:3px}
.cdata b{display:block;font-family:var(--data);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--humo);margin-bottom:3px}
.cdata a,.cdata p{font-size:16px;margin:0;color:var(--blanco)}
.cdata a:hover{color:var(--lima)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:42px;height:42px;border:var(--borde);border-radius:2px;display:flex;align-items:center;justify-content:center;transition:border-color .18s,color .18s}
.social a:hover{border-color:var(--lima);color:var(--lima)}
.social svg{width:19px;height:19px}

/* ---------- Pie ---------- */
.site-footer{background:var(--negro-900);border-top:var(--borde);padding:44px 0 30px}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.foot__grid h5{font-family:var(--data);font-size:11.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--humo);margin:0 0 14px}
.foot__grid ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot__grid a{font-size:15px;color:var(--blanco)}
.foot__grid a:hover{color:var(--lima)}
.foot__legal{margin-top:34px;padding-top:20px;border-top:var(--borde);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:var(--humo)}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:70;background:var(--lima);color:var(--negro);
  width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(0,0,0,.5);transition:transform .2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px}

/* ---------- Aparición al hacer scroll ---------- */
.rev{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rev.on{opacity:1;transform:none}

/* ---------- Reemplazo si una imagen no carga ---------- */
.ph{position:relative}
.ph.vacio{min-height:170px;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(115deg,#161c27 0 9px,#11151d 9px 20px);border:1px dashed var(--acero)}
.ph.vacio::after{content:attr(data-ph);font-family:var(--data);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--humo);text-align:center;padding:22px;line-height:1.5}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .parts-grid{grid-template-columns:repeat(3,1fr)}
  .featstrip{grid-template-columns:repeat(3,1fr)}
  .trust__in{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero__grid,.machine,.elec__grid,.b2b__panel,.contact__grid{grid-template-columns:1fr}
  .machine__media{border-right:0;border-bottom:var(--borde)}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .parts-grid{grid-template-columns:repeat(2,1fr)}
  .featstrip{grid-template-columns:repeat(2,1fr)}
  .trust__in{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr}
  .amp-tag{right:0;bottom:0}
  .btn{width:100%;justify-content:center}
  .hero__cta .btn{width:auto;flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rev{opacity:1;transform:none}
}

/* ============================================================
   Sitio multipágina — utilidades comunes
   ============================================================ */
.brand{display:inline-flex;align-items:center;line-height:0}
.brand img{height:29px;width:auto;display:block}
.site-footer .brand img{height:34px}

.nav{gap:20px;align-items:center}
.nav a{font-size:12.5px;letter-spacing:.05em}
.nav a.activo{color:var(--lima);border-color:var(--lima)}

/* --- Encabezado de página interior --- */
.page-hero{position:relative;padding:clamp(44px,6vw,78px) 0 clamp(32px,4.2vw,54px);
  background:radial-gradient(62% 100% at 10% 0%,rgba(164,217,37,.14),transparent 62%),var(--negro);
  border-bottom:var(--borde)}
.page-hero h1{font-size:clamp(32px,5vw,60px);line-height:.98}
.page-hero .lead{margin-top:18px}
.crumbs{font-family:var(--data);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--humo);margin-bottom:16px}
.crumbs a:hover{color:var(--lima)}

/* --- Control segmentado --- */
.segment{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.segment button{background:transparent;border:1px solid var(--acero);color:var(--humo);cursor:pointer;
  font-family:var(--data);font-weight:700;font-size:13px;letter-spacing:.07em;text-transform:uppercase;
  padding:12px 18px;border-radius:2px;transition:background .18s,border-color .18s,color .18s}
.segment button:hover{border-color:var(--lima);color:var(--blanco)}
.segment button[aria-pressed="true"]{background:var(--lima);border-color:var(--lima);color:var(--negro)}

/* --- Tablas técnicas --- */
.tabla-wrap{overflow-x:auto;border:var(--borde);background:var(--negro)}
table.tec{width:100%;border-collapse:collapse;min-width:600px}
table.tec th,table.tec td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--acero);font-size:14.5px}
table.tec th{font-family:var(--data);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--humo);background:var(--carbon);font-weight:600}
table.tec td{font-family:var(--data);font-weight:500;color:var(--blanco)}
table.tec tr:last-child td{border-bottom:0}
table.tec tr.destacada td{background:rgba(164,217,37,.07)}
table.tec .si{color:var(--lima);font-weight:700}
table.tec .no{color:#6d7789}

/* --- Avisos --- */
.aviso{display:flex;gap:13px;background:rgba(164,217,37,.08);border-left:3px solid var(--lima);padding:15px 18px;margin-top:20px}
.aviso svg{width:20px;height:20px;color:var(--lima);flex:none;margin-top:2px}
.aviso p{margin:0;font-size:14.5px;color:var(--blanco);line-height:1.55}
.aviso--alerta{background:rgba(255,140,90,.09);border-left-color:#ff8c5a}
.aviso--alerta svg{color:#ff8c5a}

/* --- Disponibilidad --- */
.stock{font-family:var(--data);font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:2px;display:inline-block}
.stock--si{background:rgba(164,217,37,.15);color:var(--lima)}
.stock--consultar{background:rgba(154,164,178,.14);color:var(--humo)}
.stock--incluido{background:rgba(164,217,37,.15);color:var(--lima)}
.stock--noventa{background:rgba(154,164,178,.14);color:var(--humo)}

/* --- Calculadora de soldadura --- */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,44px);align-items:start}
.calc-form{display:grid;gap:15px}
.res{display:grid;gap:2px;background:var(--acero);border:var(--borde)}
.res__i{background:var(--negro);padding:16px 18px}
.res__i b{display:block;font-family:var(--data);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--humo);margin-bottom:5px}
.res__i span{font-family:var(--data);font-weight:700;font-size:17px;color:var(--blanco);line-height:1.35;display:block}
.res__i small{display:block;font-family:var(--texto);font-weight:400;font-size:13.5px;color:var(--humo);margin-top:5px;line-height:1.5}
.res__amp{background:var(--lima)}
.res__amp b{color:rgba(17,21,29,.62)}
.res__amp span{color:var(--negro);font-size:clamp(28px,4vw,36px);font-family:var(--display);font-weight:900;letter-spacing:-.02em}
.res__amp small{color:rgba(17,21,29,.72)}
.tips{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:11px}
.tips li{display:flex;gap:11px;font-size:15px;color:var(--blanco);align-items:flex-start;line-height:1.55}
.tips li::before{content:"";width:6px;height:6px;background:var(--lima);flex:none;margin-top:8px}

/* --- Repuestos por modelo (lista) --- */
.rep-lista{display:grid;gap:2px;background:var(--acero);border:var(--borde)}
.rep{background:var(--negro);padding:20px;display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center}
.rep__img{background:#12171f;border:var(--borde);height:92px;display:flex;align-items:center;justify-content:center;padding:8px}
.rep__img img{max-height:74px;width:auto}
.rep h4{font-size:16px;letter-spacing:.01em;margin-bottom:5px}
.rep p{margin:0;font-size:14.5px;color:var(--humo);line-height:1.5;max-width:64ch}
.rep__meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:9px}
.rep__precio{font-family:var(--display);font-weight:900;font-size:20px;color:var(--lima)}
.rep__cta{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.rep__vacio{background:var(--negro);padding:34px;text-align:center;color:var(--humo)}
.filtro-info{font-family:var(--data);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--humo);margin:0 0 16px}

/* --- Pasos (soporte / garantía) --- */
.pasos{display:grid;gap:2px;background:var(--acero);border:var(--borde)}
.paso{background:var(--negro);padding:22px;display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start}
.paso__n{font-family:var(--display);font-weight:900;font-size:26px;color:var(--lima);line-height:1}
.paso h4{font-size:17px;margin-bottom:6px}
.paso p{margin:0;color:var(--humo);font-size:15px}

.cubre{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cubre__col{background:var(--negro);border:var(--borde);padding:24px;clip-path:var(--chaflan)}
.cubre__col h4{font-size:17px;margin-bottom:14px}
.cubre__col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.cubre__col li{display:flex;gap:11px;font-size:15px;align-items:flex-start;color:var(--blanco);line-height:1.5}
.cubre__col svg{width:18px;height:18px;flex:none;margin-top:3px}
.cubre--si svg{color:var(--lima)}
.cubre--no svg{color:#6d7789}
.cubre--no li{color:var(--humo)}

/* --- Cierre con llamada a la acción --- */
.cierre{background:var(--lima);color:var(--negro);text-align:center;padding:clamp(44px,6vw,76px) 0}
.cierre h2{color:var(--negro)}
.cierre p{max-width:56ch;margin:16px auto 26px;color:rgba(17,21,29,.78);font-size:17px}
.cierre .btn--negro{background:var(--negro);color:var(--blanco)}
.cierre .btn--negro:hover{background:#000}

@media (max-width:900px){
  .calc-grid{grid-template-columns:1fr}
  .cubre{grid-template-columns:1fr}
  .rep{grid-template-columns:68px 1fr;gap:15px}
  .rep__img{height:68px}
  .rep__img img{max-height:52px}
  .rep__cta{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:flex-start;flex-wrap:wrap}
}

/* --- Tarjetas de portada --- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--lima);transform:translateY(-3px)}
.card__media{background:#0f131b;border-bottom:var(--borde);padding:24px;display:flex;align-items:center;justify-content:center;min-height:178px}
.card__media img{max-height:148px;width:auto}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:19px}
.card__body p{color:var(--humo);font-size:14.5px;margin:0;line-height:1.55}
.card__body .btn{margin-top:auto;align-self:flex-start}
.card__icon{width:34px;height:34px;color:var(--lima)}
@media (max-width:900px){.cards3,.cards2{grid-template-columns:1fr}}

/* --- Galería de accesorios --- */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--acero);border:var(--borde)}
.galeria figure{margin:0;background:var(--negro);padding:22px;text-align:center}
.galeria img{height:150px;width:auto;max-width:100%;margin:0 auto 14px;object-fit:contain}
.galeria b{display:block;font-family:var(--display);font-weight:900;font-size:15px;text-transform:uppercase;margin-bottom:5px;color:var(--blanco);letter-spacing:0}
.galeria figcaption{font-size:13.5px;color:var(--humo);line-height:1.5}
.galeria .stock{margin-top:10px}

/* --- Ficha del producto principal --- */
.hero-prod{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,56px);align-items:center}
.hero-prod__art{position:relative;display:flex;align-items:center;justify-content:center;min-height:320px}
.hero-prod__art img{position:relative;width:min(430px,92%);filter:drop-shadow(0 26px 44px rgba(0,0,0,.6))}
@media (max-width:900px){.hero-prod{grid-template-columns:1fr}}

/* --- Bloque Lift TIG --- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--acero);border:var(--borde)}
.duo__col{background:var(--negro);padding:clamp(22px,3vw,32px)}
.duo__col h4{font-size:18px;margin-bottom:14px}
.duo__col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.duo__col li{display:flex;gap:11px;font-size:15px;align-items:flex-start;line-height:1.55;color:var(--blanco)}
.duo__col li::before{content:"";width:6px;height:6px;background:var(--lima);flex:none;margin-top:8px}
.duo--gris .duo__col li::before{background:#5b6678}
.duo--gris .duo__col li{color:var(--humo)}
@media (max-width:900px){.duo{grid-template-columns:1fr}}

/* ============================================================
   TIENDA — tarjetas de producto, selector de cantidad
   ============================================================ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.prod:hover{border-color:var(--lima);transform:translateY(-3px)}
.prod__media{background:#0f131b;border-bottom:var(--borde);padding:24px;display:flex;align-items:center;justify-content:center;min-height:190px;position:relative}
.prod__media img{max-height:150px;width:auto}
.prod__tag{position:absolute;top:14px;left:14px;background:var(--lima);color:var(--negro);font-family:var(--data);font-weight:700;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;padding:5px 10px}
.prod__body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1}
.prod__cat{font-family:var(--data);font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--humo)}
.prod__body h3{font-size:17px;line-height:1.2;letter-spacing:0}
.prod__spec{font-family:var(--data);font-size:12.5px;letter-spacing:.03em;color:var(--humo)}
.prod__price{font-family:var(--display);font-weight:900;font-size:26px;color:var(--lima);margin-top:auto;line-height:1}
.prod__price small{font-family:var(--texto);font-weight:400;font-size:12px;color:var(--humo);display:block;letter-spacing:0;margin-top:2px}
.prod__cta{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}
.prod__cta .btn{flex:1 1 auto;justify-content:center}
@media (max-width:1080px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.prod-grid{grid-template-columns:1fr}}

/* Selector de cantidad */
.qty{display:inline-flex;align-items:stretch;border:var(--borde);border-radius:2px;overflow:hidden;background:var(--negro)}
.qty button{width:44px;background:var(--carbon);border:0;color:var(--blanco);font-size:20px;font-family:var(--data);cursor:pointer;transition:background .16s,color .16s;line-height:1}
.qty button:hover{background:var(--acero);color:var(--lima)}
.qty input{width:60px;border:0;border-left:var(--borde);border-right:var(--borde);background:var(--negro);color:var(--blanco);
  text-align:center;font-family:var(--data);font-weight:700;font-size:16px;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* --- Ficha de detalle de producto --- */
.detalle{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
.detalle__art{background:#0f131b;border:var(--borde);clip-path:var(--chaflan);padding:36px;display:flex;align-items:center;justify-content:center;min-height:340px;position:relative}
.detalle__art img{max-height:360px;width:auto}
.detalle__cat{font-family:var(--data);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lima);margin-bottom:12px;display:block}
.detalle h1{font-size:clamp(26px,3.4vw,40px);line-height:1.02;margin-bottom:14px}
.detalle__precio{font-family:var(--display);font-weight:900;font-size:40px;color:var(--lima);line-height:1;margin:6px 0 4px}
.detalle__precio small{font-family:var(--texto);font-weight:400;font-size:14px;color:var(--humo);letter-spacing:0}
.detalle__compra{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:22px 0 8px}
.detalle__desc{color:var(--humo);font-size:16px;line-height:1.65;margin-bottom:20px}
.opcion-precio{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.opcion-precio button{background:transparent;border:1px solid var(--acero);color:var(--humo);cursor:pointer;
  font-family:var(--data);font-weight:700;font-size:13px;letter-spacing:.04em;padding:11px 16px;border-radius:2px;
  transition:background .18s,border-color .18s,color .18s;text-align:left;line-height:1.3}
.opcion-precio button small{display:block;font-weight:500;font-size:11px;opacity:.8;margin-top:2px}
.opcion-precio button:hover{border-color:var(--lima);color:var(--blanco)}
.opcion-precio button[aria-pressed="true"]{background:var(--lima);border-color:var(--lima);color:var(--negro)}

/* --- Repuestos opcionales al pie de la ficha --- */
.opcionales{margin-top:clamp(46px,6vw,72px)}

/* ============================================================
   CARRITO
   ============================================================ */
.cart-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:clamp(26px,3.5vw,48px);align-items:start}
@media (max-width:960px){.cart-grid{grid-template-columns:1fr}}

.cart-items{display:grid;gap:2px;background:var(--acero);border:var(--borde)}
.cart-row{background:var(--negro);padding:18px;display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:center}
.cart-row__img{background:#12171f;border:var(--borde);height:80px;display:flex;align-items:center;justify-content:center;padding:8px}
.cart-row__img img{max-height:64px;width:auto}
.cart-row h4{font-size:15.5px;margin-bottom:4px;letter-spacing:0}
.cart-row__spec{font-family:var(--data);font-size:12px;color:var(--humo);letter-spacing:.03em}
.cart-row__precio{font-family:var(--data);font-size:13px;color:var(--humo);margin-top:6px}
.cart-row__precio b{color:var(--lima);font-family:var(--display);font-size:16px}
.cart-row__acc{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.cart-row__quitar{background:none;border:0;color:var(--humo);cursor:pointer;font-family:var(--data);font-size:12px;letter-spacing:.05em;text-transform:uppercase;display:flex;align-items:center;gap:5px;transition:color .16s}
.cart-row__quitar:hover{color:#ff8c5a}
.cart-row__quitar svg{width:14px;height:14px}
.cart-row__sub{font-family:var(--display);font-weight:900;font-size:18px;color:var(--blanco)}
@media (max-width:520px){
  .cart-row{grid-template-columns:64px 1fr;gap:12px}
  .cart-row__acc{grid-column:1/-1;flex-direction:row;justify-content:space-between;align-items:center}
}

.cart-vacio{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);padding:clamp(34px,5vw,60px);text-align:center}
.cart-vacio svg{width:52px;height:52px;color:var(--acero);margin:0 auto 18px}
.cart-vacio h3{margin-bottom:10px}
.cart-vacio p{color:var(--humo);max-width:44ch;margin:0 auto 22px}

/* Barra de progreso de envío gratis */
.envio-barra{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);padding:20px 22px;margin-bottom:22px}
.envio-barra__txt{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.5;margin-bottom:14px}
.envio-barra__txt svg{width:20px;height:20px;color:var(--lima);flex:none;margin-top:2px}
.envio-barra__txt b{color:var(--lima)}
.envio-barra__txt.ok svg{color:var(--lima)}
.barra{height:9px;background:var(--carbon);border:1px solid var(--acero);border-radius:20px;overflow:hidden}
.barra__fill{height:100%;background:linear-gradient(90deg,var(--lima),var(--lima-alta));width:0;transition:width .5s cubic-bezier(.22,1,.36,1)}

/* Panel resumen / checkout */
.resumen{background:var(--carbon);border:var(--borde);clip-path:var(--chaflan);padding:clamp(22px,2.6vw,30px);position:sticky;top:96px}
.resumen h3{font-size:20px;margin-bottom:18px}
.resumen__linea{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:9px 0;font-size:15px;border-bottom:1px dashed #2a3342}
.resumen__linea .k{color:var(--humo);font-family:var(--data);font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.resumen__linea .v{font-family:var(--data);font-weight:700;color:var(--blanco)}
.resumen__linea .v.gratis{color:var(--lima)}
.resumen__total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:14px;padding-top:14px;border-top:var(--borde)}
.resumen__total .k{font-family:var(--display);font-weight:900;font-size:18px;text-transform:uppercase}
.resumen__total .v{font-family:var(--display);font-weight:900;font-size:30px;color:var(--lima);line-height:1}
.resumen .btn{width:100%;justify-content:center;margin-top:20px}
.resumen__nota{font-size:12.5px;color:var(--humo);margin:14px 0 0;line-height:1.5}

/* Formulario de datos de envío (guía) */
.guia{background:var(--negro);border:var(--borde);clip-path:var(--chaflan);padding:clamp(22px,3vw,32px);margin-top:26px}
.guia h3{font-size:20px;margin-bottom:6px}
.guia .lead{font-size:15px;margin-bottom:22px}
.guia__form{display:grid;gap:14px}

@media (max-width:960px){.resumen{position:static}}

/* ============================================================
   MEJORAS RESPONSIVE — menú hamburguesa, catálogo móvil, logo
   ============================================================ */

/* El logo siempre visible y bien dimensionado en todos los formatos */
.site-header__in{gap:16px}
.brand{flex:none}
.brand img{height:30px;width:auto}
@media (max-width:600px){ .brand img{height:26px} }
@media (max-width:380px){ .brand img{height:23px} }

/* Menú de escritorio horizontal; en tablet/móvil pasa al ícono ☰ */
@media (min-width:901px){
  .burger{display:none}
  .nav{display:flex}
}
@media (max-width:900px){
  .nav{display:none}
  /* A la derecha: primero el carrito, luego el ícono ☰ (3 líneas) */
  .cart-link{order:3;margin-left:auto}
  .burger{order:4;margin-left:12px;display:flex;flex-direction:column;align-items:center;justify-content:center}
  /* Ambos como botones redondos, iguales entre sí */
  .cart-link,.burger{
    width:48px;height:48px;border-radius:50%;border:0;padding:0;
    background:rgba(255,255,255,.08);transition:background .16s;
  }
  .cart-link:hover,.burger:hover{background:rgba(164,217,37,.18)}
  .cart-link svg{width:23px;height:23px}
  .burger span{width:20px;height:2px;margin:2.5px 0}
  .cart-count{top:-4px;right:-4px}
  /* Menú desplegable de arriba hacia abajo */
  .nav.abierto{
    display:flex;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;background:var(--negro);
    border-bottom:var(--borde);box-shadow:0 18px 40px rgba(0,0,0,.5);
    padding:6px 22px 16px;z-index:70;
    animation:navDown .22s ease;
  }
  .nav.abierto a{
    padding:15px 2px;border-bottom:1px solid var(--acero);
    font-size:15px;letter-spacing:.04em;
  }
  .nav.abierto a:last-child{border-bottom:0}
}
@keyframes navDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* La cabecera necesita posición relativa para anclar el menú desplegable */
.site-header__in{position:relative}

/* Catálogo en móvil: SIEMPRE 2 productos por fila */
@media (max-width:640px){
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .prod__media{min-height:130px;padding:14px}
  .prod__media img{max-height:96px}
  .prod__body{padding:13px;gap:7px}
  .prod__body h3{font-size:14px}
  .prod__spec{font-size:11px}
  .prod__price{font-size:20px}
  .prod__price small{font-size:10.5px}
  .prod__cta{flex-direction:column;gap:6px}
  .prod__cta .btn{width:100%;font-size:11.5px;padding:9px 8px}
  .prod__tag{font-size:9.5px;padding:4px 7px;top:10px;left:10px}
}
@media (max-width:380px){
  .prod-grid{gap:9px}
  .prod__body{padding:11px}
  .prod__body h3{font-size:13px}
}

/* Repuestos opcionales (ficha) también 2 por fila en móvil */
@media (max-width:640px){
  .opcionales .prod-grid{grid-template-columns:repeat(2,1fr)}
}

/* Evitar distorsión: todas las imágenes de producto mantienen proporción */
.prod__media img,.card__media img,.detalle__art img,.galeria img,
.cart-row__img img,.rep__img img,.part__media img{object-fit:contain}

/* Ficha de producto: que no se desborde en pantallas pequeñas */
@media (max-width:600px){
  .detalle__art{min-height:240px;padding:22px}
  .detalle__art img{max-height:240px}
  .detalle__precio{font-size:32px}
}

/* ============================================================
   BLINDAJE RESPONSIVE — sin scroll horizontal en teléfono vertical
   ============================================================ */
/* NOTA: no poner overflow-x:hidden en <html> — rompe position:sticky.
   El scroll horizontal se controla en <body> y con min-width:0 en los hijos. */
html{max-width:100%}
body{overflow-x:hidden;max-width:100%}
*{min-width:0}                 /* evita que hijos flex/grid fuercen ancho extra */
.wrap{max-width:100%}
img,svg,video{max-width:100%}
/* Cualquier tabla ancha se desliza dentro de su caja, nunca empuja la página */
.tabla-wrap{max-width:100%}

/* Header a prueba de teléfonos angostos */
@media (max-width:900px){
  .site-header__in{gap:10px;height:66px}
  .brand{margin-right:auto}          /* logo pegado a la izquierda */
  .cart-link{order:3;margin-left:0}
  .burger{order:4}
}
@media (max-width:360px){
  .cart-link,.burger{width:44px;height:44px}
  .brand img{height:22px}
  .topbar__in{font-size:10.5px;letter-spacing:.02em}
}

/* ============================================================
   HEADER STICKY (barra de envío + encabezado juntos y fijos)
   ============================================================ */
.site-top{position:sticky;top:0;z-index:60}
.site-header{position:relative;top:auto}   /* el sticky lo maneja .site-top */

/* ============================================================
   FICHA DE PRODUCTO — versión móvil compacta (teléfono vertical)
   ============================================================ */
@media (max-width:760px){
  /* Menos aire vertical en todas las secciones */
  #ficha.sec{padding:18px 0 22px}
  .detalle{grid-template-columns:1fr;gap:16px}
  /* Imagen del producto más pequeña, sin ocupar media pantalla */
  .detalle__art{min-height:auto;padding:16px;max-height:none}
  .detalle__art img{max-height:190px}
  .detalle__art .ph.vacio{min-height:150px}
  /* Encabezado del producto compacto */
  .detalle__cat{margin-bottom:6px;font-size:10.5px}
  .detalle h1{font-size:clamp(21px,6vw,28px);margin-bottom:8px}
  .detalle__desc{font-size:14.5px;line-height:1.5;margin-bottom:14px}
  .detalle__precio{font-size:30px;margin:6px 0 2px}
  .detalle__precio small{font-size:12.5px}
  #pPrecioNota{margin-top:2px !important;font-size:12px}
  /* Fila de compra ordenada: cantidad + botón en una sola línea */
  .detalle__compra{gap:10px;margin:16px 0 6px;align-items:stretch;flex-wrap:nowrap}
  .detalle__compra .qty{flex:none}
  .detalle__compra .btn{flex:1;min-width:0;padding:12px 10px;font-size:12px;letter-spacing:.05em;white-space:nowrap}
  .detalle__compra .btn svg{width:15px;height:15px}
  .qty button{width:40px;font-size:18px}
  .qty input{width:46px;font-size:15px}
  /* Botones secundarios: media fila cada uno, no gigantes */
  .detalle__compra + div{gap:8px !important}
  .detalle__compra + div .btn{flex:1 1 calc(50% - 4px);justify-content:center;padding:11px 8px}
  /* Variantes (electrodo) más compactas */
  .opcion-precio{gap:6px;margin:12px 0}
  .opcion-precio button{padding:10px 12px;font-size:12.5px}
  /* Placa/ficha técnica y "lo importante" con menos margen superior */
  #pSpecsWrap{margin-top:18px !important}
}

/* --- FICHA TÉCNICA: nunca se encima el texto (clave / valor) --- */
@media (max-width:600px){
  .plate{padding:16px 16px}
  .plate__row{
    display:grid;grid-template-columns:auto 1fr;gap:6px 10px;
    align-items:baseline;font-size:13px;
  }
  .plate__row .k{white-space:normal;line-height:1.3}
  .plate__row .dots{display:none}
  .plate__row .v{white-space:normal;text-align:right;line-height:1.3}
  .plate__hd b,.plate__hd span{font-size:10px}
}

/* --- Menos scroll: secciones interiores más compactas en móvil --- */
@media (max-width:640px){
  .sec{padding:34px 0}
  .sec__head{margin-bottom:22px}
  .hatch{height:10px}
  .galeria{grid-template-columns:repeat(2,1fr)}
  .galeria img{height:110px}
  .tech-grid{grid-template-columns:1fr}
  .duo,.cubre{grid-template-columns:1fr}
  .opcionales{margin-top:30px}
  .amp-tag{font-size:26px;padding:10px 12px 9px}
}

/* ============================================================
   FONDO VERDE detrás de cada producto (resalta sobre el oscuro)
   ============================================================ */
.prod__media{background:radial-gradient(58% 58% at 50% 42%,rgba(164,217,37,.20),rgba(164,217,37,.05) 55%,transparent 72%),#0f131b}
.card__media{background:radial-gradient(58% 58% at 50% 42%,rgba(164,217,37,.16),transparent 70%),#0f131b}
.detalle__art{background:radial-gradient(55% 55% at 50% 45%,rgba(164,217,37,.18),transparent 68%),#0f131b}
.galeria figure{background:radial-gradient(62% 62% at 50% 40%,rgba(164,217,37,.14),transparent 72%),var(--negro)}
.rep__img{background:radial-gradient(70% 70% at 50% 45%,rgba(164,217,37,.16),transparent 72%),#12171f}
.cart-row__img{background:radial-gradient(70% 70% at 50% 45%,rgba(164,217,37,.16),transparent 72%),#12171f}
.part__media{background:radial-gradient(58% 58% at 50% 45%,rgba(164,217,37,.16),transparent 72%),#0f131b}

/* ============================================================
   ESTADOS DE STOCK (badges)
   ============================================================ */
.prod{position:relative}
.prod__estado{position:absolute;top:12px;left:12px;z-index:2;font-family:var(--data);font-weight:700;
  font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:5px 9px;border-radius:2px}
.prod__estado.estado--stock{background:var(--lima);color:var(--negro)}
.prod__estado.estado--agotado{background:#ff8c5a;color:#11151d}
.prod__estado.estado--proximo{background:var(--acero);color:var(--blanco);border:1px solid #3a4557}
.prod--off .prod__media{filter:grayscale(.3);opacity:.85}

.estado-badge{display:inline-block;font-family:var(--data);font-weight:700;font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;padding:5px 11px;border-radius:2px;margin:0 0 12px}
.estado-badge.estado--stock{background:rgba(164,217,37,.16);color:var(--lima)}
.estado-badge.estado--agotado{background:rgba(255,140,90,.18);color:#ff8c5a}
.estado-badge.estado--proximo{background:rgba(154,164,178,.16);color:var(--humo)}

.btn[disabled],.prod__cta .btn[disabled]{background:var(--acero);color:var(--humo);border-color:var(--acero);opacity:.7}
.prod__cta .btn[disabled]{flex:1 1 auto}

/* ============================================================
   PROMOCIÓN Y PRECIOS TACHADOS
   ============================================================ */
.promo-banner{display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  background:rgba(164,217,37,.10);border:1px solid rgba(164,217,37,.4);border-radius:2px;
  padding:9px 13px;margin-bottom:12px;font-size:13.5px;color:var(--blanco);font-family:var(--data)}
.promo-banner .promo-badge{background:var(--lima);color:var(--negro);font-weight:700;font-size:11px;letter-spacing:.08em;padding:3px 9px}
.promo-banner s{color:var(--humo)}
.promo-banner b{color:var(--lima)}
.precio-antes{color:var(--humo);text-decoration:line-through;font-family:var(--texto);font-weight:400;font-size:.46em;letter-spacing:0;margin-right:2px}
.precio-ahorro{display:inline-block;background:var(--lima);color:var(--negro);font-family:var(--data);font-weight:700;
  font-size:.3em;letter-spacing:.05em;padding:4px 8px;border-radius:2px;vertical-align:middle;margin-left:4px}
.nota-desc{color:var(--lima)!important;opacity:.9;font-weight:500}
.tiers-wrap{margin-top:16px;max-width:440px}
.tiers-wrap table{min-width:0}
.tiers-wrap td:last-child{font-family:var(--display);font-weight:900;color:var(--lima);text-align:right}

/* Descuentos en el carrito */
.cart-row__antes{color:var(--humo);text-decoration:line-through;font-size:12px;margin-right:3px}
.cart-row__precio b{color:var(--blanco);font-family:var(--display);font-size:16px}
.cart-row__desc{display:inline-block;background:var(--lima);color:var(--negro);font-family:var(--data);font-weight:700;
  font-size:10.5px;letter-spacing:.04em;padding:2px 7px;border-radius:2px;margin-left:5px}

/* ============================================================
   PANEL: lista de funciones en 2 columnas (imagen eliminada)
   ============================================================ */
.bene--2col{grid-template-columns:1fr 1fr}
.bene--2col .bene__i:last-child:nth-child(odd){grid-column:1 / -1}
@media (max-width:760px){.bene--2col{grid-template-columns:1fr}}

/* Galería "qué incluye" compacta */
.galeria--compacta{grid-template-columns:repeat(5,1fr)}
.galeria--compacta figure{padding:16px 12px}
.galeria--compacta img{height:100px;margin-bottom:10px}
.galeria--compacta b{font-size:13px}
.galeria--compacta figcaption{font-size:12px;line-height:1.4}
@media (max-width:900px){.galeria--compacta{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.galeria--compacta{grid-template-columns:repeat(2,1fr)}}

/* ============================================================
   COMPACTACIÓN — tecnología, compatibilidad, calculadora, formularios
   ============================================================ */
/* Tecnología */
.tech{padding:clamp(18px,2vw,26px)}
.tech svg{width:26px;height:26px;margin-bottom:10px}
.tech h4{margin-bottom:6px}
.tech p{font-size:14px;line-height:1.5}
@media (max-width:640px){
  #tecnologia.sec{padding:30px 0}
  .tech-grid{gap:1px}
  .tech{padding:16px}
  #panel.sec,#compatibilidad.sec,#incluye.sec{padding:30px 0}
}

/* Compatibilidad */
@media (max-width:640px){
  .calc{padding:18px}
  .diam-btns{gap:6px;margin-bottom:16px}
  .diam{padding:10px 5px;font-size:14px}
  .calc__out{gap:7px}
  .calc__out div{font-size:14px}
  .gauge{max-width:280px}
}

/* Calculadora de soldadura (soporte) — más compacta */
@media (max-width:760px){
  #calculadora.sec{padding:30px 0}
  .calc-grid{gap:18px}
  .calc-form{gap:11px}
  .res{gap:1px}
  .res__i{padding:13px 15px}
  .res__amp span{font-size:26px}
  .tips li{font-size:14.5px}
}

/* Campos de formulario más compactos en móvil (contacto, calculadora, envío) */
@media (max-width:760px){
  .field input,.field select,.field textarea{padding:11px 12px;font-size:15px}
  .field label{margin-bottom:5px;font-size:11px}
  .field textarea{min-height:92px}
  .form,.guia__form{gap:12px}
}

/* Formulario "Datos para el envío": nombres/apellidos y cédula/teléfono
   se quedan en 2 columnas y solo colapsan en pantallas muy angostas */
@media (min-width:361px){ .row2{grid-template-columns:1fr 1fr} }
@media (max-width:360px){ .row2{grid-template-columns:1fr} }
.guia{padding:clamp(18px,3vw,30px)}
.guia h3{margin-bottom:4px}
.guia .lead{margin-bottom:16px}
@media (max-width:640px){
  .guia .lead{font-size:14px;margin-bottom:14px}
  .cart-grid{gap:22px}
}

/* Precio promocional en el Hero (Inicio) */
.hero__promo{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:24px 0 0;font-family:var(--display)}
.hero__promo .promo-badge{align-self:center;background:var(--lima);color:var(--negro);font-family:var(--data);font-weight:700;font-size:11px;letter-spacing:.08em;padding:4px 9px}
.hero__antes{color:var(--humo);text-decoration:line-through;font-weight:900;font-size:clamp(20px,2.4vw,28px)}
.hero__ahora{color:var(--lima);font-weight:900;font-size:clamp(34px,4.6vw,46px);line-height:1}
.hero__promo .precio-ahorro{align-self:center;font-size:13px;margin-left:0}

/* ============================================================
   FONDO VERDE — tono más vivo y perceptible detrás del producto
   (override; sin tocar imagen, tamaño ni posición)
   ============================================================ */
.prod__media{background:radial-gradient(60% 60% at 50% 44%,rgba(126,201,64,.38),rgba(126,201,64,.12) 54%,transparent 74%),#0f131b}
.detalle__art{background:radial-gradient(58% 58% at 50% 46%,rgba(126,201,64,.34),rgba(126,201,64,.10) 56%,transparent 72%),#0f131b}
.card__media{background:radial-gradient(58% 58% at 50% 44%,rgba(126,201,64,.30),transparent 72%),#0f131b}
.galeria figure{background:radial-gradient(62% 62% at 50% 42%,rgba(126,201,64,.26),transparent 74%),var(--negro)}
.rep__img{background:radial-gradient(72% 72% at 50% 46%,rgba(126,201,64,.30),transparent 74%),#12171f}
.cart-row__img{background:radial-gradient(72% 72% at 50% 46%,rgba(126,201,64,.28),transparent 74%),#12171f}
.part__media{background:radial-gradient(58% 58% at 50% 46%,rgba(126,201,64,.28),transparent 74%),#0f131b}

/* ============================================================
   #tecnologia — "Tecnología que se nota al soldar" más compacto
   Dos tarjetas por fila también en móvil; menos altura y espacios.
   (Solo afecta a esta sección; el resto de la página no cambia.)
   ============================================================ */
#tecnologia .tech-grid{gap:2px}
#tecnologia .tech{padding:16px 16px 15px}
#tecnologia .tech svg{width:24px;height:24px;margin-bottom:8px}
#tecnologia .tech h4{font-size:15px;margin-bottom:5px;letter-spacing:.01em}
#tecnologia .tech p{font-size:13.5px;line-height:1.45}

@media (max-width:640px){
  #tecnologia .tech-grid{grid-template-columns:repeat(2,1fr);gap:1px}
  #tecnologia .tech{padding:13px 12px 12px}
  #tecnologia .tech svg{width:21px;height:21px;margin-bottom:6px}
  #tecnologia .tech h4{font-size:13.5px;margin-bottom:4px;line-height:1.2}
  #tecnologia .tech p{font-size:12px;line-height:1.4}
}
@media (max-width:360px){
  #tecnologia .tech-grid{grid-template-columns:1fr}
}

/* ============================================================
   CARRITO LATERAL (panel deslizable desde la derecha)
   ============================================================ */
.cart-overlay{position:fixed;inset:0;background:rgba(4,6,10,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:300}
.cart-overlay.abierto{opacity:1;visibility:visible}
.cart-drawer{position:fixed;top:0;right:0;height:100%;height:100dvh;width:min(430px,100%);
  background:var(--negro-900);border-left:1px solid var(--acero);
  display:flex;flex-direction:column;z-index:310;
  transform:translateX(100%);transition:transform .34s cubic-bezier(.22,1,.36,1);
  box-shadow:-18px 0 50px rgba(0,0,0,.5)}
.cart-drawer.abierto{transform:none}
.cart-drawer__hd{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;border-bottom:1px solid var(--acero);background:var(--negro);flex:none}
.cart-drawer__hd b{font-family:var(--display);font-weight:900;font-size:18px;letter-spacing:.02em;text-transform:uppercase}
.cart-drawer__hd span{color:var(--humo);font-family:var(--data);font-size:14px}
.cart-drawer__x{background:none;border:0;color:var(--humo);cursor:pointer;padding:6px;display:flex;transition:color .16s}
.cart-drawer__x:hover{color:var(--lima)}
.cart-drawer__x svg{width:22px;height:22px}
.cart-drawer__body{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding:20px;-webkit-overflow-scrolling:touch}
.cart-drawer .envio-barra{margin-bottom:18px}
.cart-drawer .cart-items{gap:2px}
.cart-drawer .cart-row{grid-template-columns:64px 1fr;gap:12px;padding:14px}
.cart-drawer .cart-row__img{height:64px}
.cart-drawer .cart-row__img img{max-height:52px}
.cart-drawer .cart-row h4{font-size:14px}
.cart-drawer .cart-row__acc{grid-column:1/-1;flex-direction:row;justify-content:space-between;align-items:center;margin-top:2px}
.cart-drawer .qty{margin-top:8px}
.cart-drawer__empty{text-align:center;color:var(--humo);font-size:14.5px;line-height:1.6;padding:40px 10px}
.cart-drawer__ft{flex:none;border-top:1px solid var(--acero);background:var(--negro);padding:18px 20px}
.cart-drawer__tot{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.cart-drawer__tot span{font-family:var(--data);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--humo)}
.cart-drawer__tot b{font-family:var(--display);font-weight:900;font-size:24px;color:var(--blanco)}
.cart-drawer__ivanota{font-size:11.5px;color:var(--humo);margin:0 0 14px}
.cart-drawer__buy{width:100%;justify-content:center;font-size:16px;padding:15px}
.cart-drawer__cont{display:block;text-align:center;margin-top:12px;color:var(--humo);font-family:var(--data);
  font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;text-decoration:none;transition:color .16s}
.cart-drawer__cont:hover{color:var(--lima)}
body.cart-open{overflow:hidden}

/* ============================================================
   LOGO un poco más grande (sin cambiar la altura del encabezado)
   ============================================================ */
.brand img{height:36px}
@media (max-width:900px){ .brand img{height:33px} }
@media (max-width:600px){ .brand img{height:30px} }
@media (max-width:380px){ .brand img{height:27px} }
@media (max-width:360px){ .brand img{height:26px} }