/* ==========================================================================
   QT — tensiletest.wa-ya.cn · Máquina de ensayo universal
   Estilos globales · responsive · mobile-first
   ========================================================================== */

:root{
  --navy-900:#050d1a;
  --navy-800:#0a1424;
  --navy-700:#0f1e33;
  --navy-600:#16293f;
  --steel:#33475f;
  --line:rgba(148,180,214,.18);
  --line-soft:rgba(148,180,214,.10);
  --accent:#1fa2ff;
  --accent-2:#00e0c8;
  --accent-warm:#ffb020;
  --text:#e8eef7;
  --text-dim:#a9bad0;
  --text-ink:#12202f;
  --text-ink-dim:#5a6b80;
  --white:#ffffff;
  --radius:18px;
  --radius-sm:10px;
  --shadow-lg:0 30px 70px -30px rgba(3,10,22,.75);
  --shadow-md:0 18px 40px -22px rgba(3,10,22,.55);
  --maxw:1220px;
  --gutter:clamp(18px,4vw,44px);
  --font-display:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--navy-900);color:var(--text);
  font-family:var(--font-body);font-size:16.5px;line-height:1.7;
  letter-spacing:.005em;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:.01em}
h1{font-size:clamp(2.3rem,5.4vw,4.1rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.7rem)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{margin:.35em 0}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(64px,9vw,120px) 0;position:relative}
.section--tight{padding:clamp(44px,6vw,76px) 0}
.muted{color:var(--text-dim)}
.light{background:#f3f6fa;color:var(--text-ink)}
.light .muted{color:var(--text-ink-dim)}
.light h1,.light h2,.light h3{color:var(--text-ink)}
.light a:hover{color:#0b6bcb}

/* ---------- Encabezados de sección ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-body);font-size:.76rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.light .eyebrow{color:#0b6bcb}
.section-head{max-width:760px;margin-bottom:clamp(30px,4vw,54px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}
.lead{font-size:clamp(1.05rem,1.7vw,1.25rem);color:var(--text-dim)}
.light .lead{color:var(--text-ink-dim)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.95rem 1.9rem;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:.95rem;letter-spacing:.02em;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  will-change:transform;text-align:center;
}
.btn--primary{background:linear-gradient(120deg,var(--accent),#0b6bcb 65%,var(--accent-2));color:#fff;box-shadow:0 14px 34px -14px rgba(31,162,255,.85)}
.btn--primary:hover{transform:translateY(-3px);color:#fff;box-shadow:0 22px 44px -16px rgba(31,162,255,.95)}
.btn--ghost{border-color:rgba(232,238,247,.34);color:var(--text);background:rgba(255,255,255,.04)}
.btn--ghost:hover{transform:translateY(-3px);border-color:var(--accent);color:#fff;background:rgba(31,162,255,.14)}
.light .btn--ghost{border-color:rgba(18,32,47,.24);color:var(--text-ink)}
.light .btn--ghost:hover{color:#fff;background:var(--navy-700);border-color:var(--navy-700)}
.btn--sm{padding:.68rem 1.35rem;font-size:.85rem}
.btn--wide{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:.85rem}

/* ---------- Cabecera / navegación ---------- */
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:.6rem 1rem;z-index:200}
.skip-link:focus{left:12px;top:12px}
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,13,26,.72);backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line-soft);transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(5,13,26,.95);box-shadow:0 10px 34px -18px rgba(0,0,0,.9)}
.nav{display:flex;align-items:center;gap:1.4rem;min-height:78px}
.brand{display:flex;align-items:center;gap:.85rem;margin-right:auto}
.brand img{width:56px;height:auto;border-radius:8px;background:#fff;padding:3px}
.brand__name{font-family:var(--font-display);font-size:1.18rem;font-weight:700;letter-spacing:.06em;line-height:1.15;text-transform:uppercase}
.brand__sub{display:block;font-family:var(--font-body);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2);font-weight:600}
.nav__list{display:none;gap:.35rem;list-style:none;margin:0;padding:0}
.nav__list a{display:block;padding:.6rem .85rem;font-size:.92rem;font-weight:600;color:var(--text-dim);border-radius:8px}
.nav__list a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav__list a[aria-current="page"]{color:#fff;background:rgba(31,162,255,.16);box-shadow:inset 0 -2px 0 var(--accent)}
.nav__cta{display:none}
.nav__actions{display:flex;align-items:center;gap:.6rem}
.burger{
  width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.05);
  display:grid;place-items:center;cursor:pointer;color:var(--text);
}
.burger span,.burger span::before,.burger span::after{content:"";display:block;width:20px;height:2px;background:currentColor;transition:.3s;position:relative}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}
.nav-open .burger span{background:transparent}
.nav-open .burger span::before{transform:rotate(45deg);top:0}
.nav-open .burger span::after{transform:rotate(-45deg);top:0}

@media(min-width:1080px){
  .nav__list{display:flex}
  .nav__cta{display:inline-flex}
  .burger{display:none}
}
.mobile-panel{
  position:fixed;inset:78px 0 auto;background:rgba(6,15,28,.98);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);padding:1rem var(--gutter) 2rem;
  transform:translateY(-120%);transition:transform .38s cubic-bezier(.4,0,.2,1);z-index:110;
}
.nav-open .mobile-panel{transform:translateY(0)}
.mobile-panel ul{list-style:none;margin:0;padding:0}
.mobile-panel a{display:block;padding:.95rem .2rem;border-bottom:1px solid var(--line-soft);font-weight:600}
.mobile-panel .btn{margin-top:1.2rem}
@media(min-width:1080px){.mobile-panel{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;padding:clamp(72px,10vw,140px) 0 clamp(64px,8vw,110px);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(5,13,26,.96) 0%,rgba(7,18,32,.86) 42%,rgba(6,16,28,.55) 100%),
  radial-gradient(90% 70% at 85% 10%,rgba(31,162,255,.28),transparent 60%)}
.hero__grid{display:grid;gap:clamp(34px,5vw,60px);align-items:center}
.hero h1{margin-bottom:.35em;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero__actions{margin-top:2.1rem}
.hero__stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:3rem;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.hero__stats div{background:rgba(10,20,36,.72);padding:1.15rem 1.2rem}
.hero__stats strong{display:block;font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.3rem);color:#fff;line-height:1}
.hero__stats span{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim)}
@media(min-width:900px){.hero__stats{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* ---------- Tarjetas ---------- */
.grid{display:grid;gap:clamp(16px,2.2vw,26px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr))}
.card{
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.6rem;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);border-color:rgba(31,162,255,.55);box-shadow:var(--shadow-md)}
.card h3{margin-bottom:.4em}
.card .num{font-family:var(--font-display);font-size:2.4rem;color:rgba(31,162,255,.35);line-height:1;margin-bottom:.6rem;display:block}
.light .card{background:#fff;border-color:rgba(18,32,47,.10);box-shadow:0 12px 34px -26px rgba(18,32,47,.5)}
.light .card:hover{border-color:rgba(11,107,203,.4);box-shadow:0 26px 50px -30px rgba(18,32,47,.45)}
.icon-dot{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(31,162,255,.22),rgba(0,224,200,.16));color:var(--accent);font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin-bottom:1rem}

/* ---------- Producto ---------- */
.product-card{
  background:linear-gradient(170deg,#fff,#f4f7fb);border:1px solid rgba(18,32,47,.10);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.product-card:hover{transform:translateY(-8px);box-shadow:0 34px 60px -34px rgba(9,25,45,.55);border-color:rgba(11,107,203,.42)}
.product-card__media{position:relative;aspect-ratio:4/3;background:#e9eef5;display:grid;place-items:center;overflow:hidden}
.product-card__media img{width:100%;height:100%;object-fit:contain;padding:14px;transition:transform .5s cubic-bezier(.2,.6,.2,1)}
.product-card:hover .product-card__media img{transform:scale(1.06)}
.product-card__tag{position:absolute;top:12px;left:12px;background:rgba(10,20,36,.88);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:.4rem .75rem;border-radius:999px}
.product-card__body{padding:1.5rem 1.5rem 1.7rem;display:flex;flex-direction:column;flex:1}
.product-card__body h3{font-size:1.28rem;margin-bottom:.35em}
.product-card__model{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#0b6bcb;font-weight:800;margin-bottom:.7rem}
.spec-chips{display:flex;flex-wrap:wrap;gap:.45rem;list-style:none;margin:0 0 1.2rem;padding:0}
.spec-chips li{font-size:.76rem;background:rgba(11,107,203,.09);color:#123b63;border:1px solid rgba(11,107,203,.18);padding:.3rem .65rem;border-radius:8px;font-weight:600}
.product-card__foot{margin-top:auto;display:flex;gap:.6rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.link-arrow{font-weight:700;font-size:.9rem;color:#0b6bcb;display:inline-flex;align-items:center;gap:.4rem}
.link-arrow::after{content:"→";transition:transform .3s}
.link-arrow:hover::after{transform:translateX(5px)}

/* Filtros */
.filter-bar{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:2.2rem}
.filter-btn{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-dim);padding:.55rem 1.15rem;border-radius:999px;font-weight:600;font-size:.85rem;cursor:pointer;transition:.25s}
.filter-btn:hover{color:#fff;border-color:var(--accent)}
.filter-btn.is-active{background:linear-gradient(120deg,var(--accent),#0b6bcb);color:#fff;border-color:transparent}

/* ---------- Soluciones (galería) ---------- */
.sol-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,160px),1fr))}
.sol-item{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:2/3;background:#0b1727;border:1px solid var(--line);display:block}
.sol-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.6,.2,1);opacity:.92}
.sol-item:hover img{transform:scale(1.08);opacity:1}
.sol-item figcaption{position:absolute;inset:auto 0 0;padding:.85rem .8rem .75rem;background:linear-gradient(transparent,rgba(4,10,20,.94));font-size:.8rem;font-weight:600;line-height:1.3}
.light .sol-item{border-color:rgba(18,32,47,.10)}

/* ---------- Muestras de sala expositora ---------- */
.showroom{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}
.showroom figure{margin:0;border-radius:14px;overflow:hidden;background:#fff;border:1px solid rgba(18,32,47,.10);aspect-ratio:1/1;position:relative}
.showroom img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.showroom figure:hover img{transform:scale(1.07)}

/* ---------- Certificados ---------- */
.cert-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}
.cert-grid figure{margin:0;background:#fff;border-radius:14px;padding:14px;border:1px solid rgba(18,32,47,.10);box-shadow:0 14px 30px -24px rgba(18,32,47,.45);transition:.35s}
.cert-grid figure:hover{transform:translateY(-6px);box-shadow:0 26px 46px -28px rgba(18,32,47,.5)}
.cert-grid img{width:100%;height:auto;border-radius:8px;background:#f1f4f8}
.cert-grid figcaption{text-align:center;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-ink-dim);margin-top:.7rem}

/* ---------- Detalles de producto ---------- */
.pd-hero{padding:clamp(34px,5vw,66px) 0 clamp(30px,4vw,50px)}
.pd-grid{display:grid;gap:clamp(28px,4vw,54px);align-items:start}
@media(min-width:960px){.pd-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.pd-media{position:sticky;top:104px;background:radial-gradient(circle at 50% 40%,#fff,#eaf0f7);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(16px,3vw,34px);box-shadow:var(--shadow-lg)}
.pd-media img{width:100%;height:auto;object-fit:contain;max-height:520px}
.pd-title{font-size:clamp(1.9rem,4vw,3rem);margin-bottom:.3em}
.badge-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.2rem 0 1.6rem}
.badge{background:rgba(31,162,255,.14);border:1px solid rgba(31,162,255,.34);color:#bfe1ff;font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.35rem .8rem;border-radius:999px}
.kv{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 0 1.8rem}
.kv div{background:rgba(10,20,36,.7);padding:.85rem 1.05rem;display:flex;justify-content:space-between;gap:1rem;font-size:.92rem}
.kv dt{color:var(--text-dim)}
.kv dd{margin:0;font-weight:700;text-align:right;color:#fff}

.tabs{margin:clamp(30px,4vw,50px) 0 0}
.tabs__nav{display:flex;gap:.4rem;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:0;margin-bottom:1.8rem}
.tab-btn{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-dim);font-weight:700;font-size:.95rem;padding:.7rem 1.1rem;cursor:pointer;transition:.25s;font-family:var(--font-body)}
.tab-btn:hover{color:#fff}
.tab-btn.is-active{color:#fff;border-color:var(--accent)}
.tab-panel[hidden]{display:none}
.spec-table{width:100%;border-collapse:collapse;background:#0a1424;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.spec-table caption{caption-side:bottom;text-align:left;font-size:.82rem;color:var(--text-dim);padding:.9rem 0 0}
.spec-table th,.spec-table td{padding:.8rem 1.05rem;text-align:left;border-bottom:1px solid var(--line-soft);font-size:.9rem;vertical-align:top}
.spec-table thead th{background:rgba(31,162,255,.12);color:#fff;font-weight:700;letter-spacing:.04em}
.spec-table tbody th{color:var(--text-dim);font-weight:600;width:58%}
.spec-table td{color:#fff;font-weight:700;text-align:right}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table tr:nth-child(even){background:rgba(255,255,255,.022)}
.table-wrap{overflow-x:auto;border-radius:14px}

.feature-list{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.feature-list li{padding-left:1.9rem;position:relative;color:var(--text-dim)}
.feature-list li::before{content:"";position:absolute;left:0;top:.62em;width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 0 4px rgba(31,162,255,.14)}
.feature-list strong{color:#fff;font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin-inline:auto}
.faq-item{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:1.2rem 3.2rem 1.2rem 1.4rem;font-weight:700;font-size:1.03rem;position:relative;transition:.25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent-2)}
.faq-item summary::after{content:"+";position:absolute;right:1.3rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--accent);transition:transform .3s;font-family:var(--font-display)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary{color:#fff}
.faq-body{padding:0 1.4rem 1.3rem;color:var(--text-dim);border-top:1px dashed var(--line);margin-top:.2rem;padding-top:1.1rem}
.faq-body p:last-child{margin-bottom:0}

/* ---------- Formularios ---------- */
.form-shell{display:grid;gap:clamp(26px,4vw,50px)}
@media(min-width:980px){.form-shell{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}}
.form-card{background:linear-gradient(165deg,rgba(255,255,255,.08),rgba(255,255,255,.025));border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3.4vw,42px)}
.field{margin-bottom:1.25rem;position:relative}
.field label{display:block;font-size:.82rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.5rem}
.field .req{color:var(--accent-warm)}
.control{
  width:100%;padding:.9rem 1.05rem;border-radius:12px;border:1px solid var(--line);
  background:rgba(4,11,22,.6);color:#fff;font-family:inherit;font-size:.97rem;transition:border-color .25s,box-shadow .25s,background .25s;
}
.control::placeholder{color:rgba(169,186,208,.55)}
.control:focus{outline:none;border-color:var(--accent);background:rgba(6,16,30,.85);box-shadow:0 0 0 4px rgba(31,162,255,.16)}
textarea.control{min-height:150px;resize:vertical}
select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 15px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.form-row{display:grid;gap:1.25rem}
@media(min-width:620px){.form-row{grid-template-columns:1fr 1fr}}
.hint{font-size:.8rem;color:var(--text-dim);margin-top:.35rem}
.error-msg{color:#ff8f8f;font-size:.8rem;margin-top:.4rem;display:none}
.field.has-error .control{border-color:#ff6b6b;box-shadow:0 0 0 4px rgba(255,107,107,.14)}
.field.has-error .error-msg{display:block}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-status{margin-top:1.1rem;padding:1rem 1.2rem;border-radius:12px;font-weight:600;display:none}
.form-status.is-ok{display:block;background:rgba(0,224,200,.12);border:1px solid rgba(0,224,200,.4);color:#8ff5e6}
.form-status.is-err{display:block;background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.4);color:#ffb3b3}
.contact-info{display:grid;gap:1rem}
.contact-info .card{padding:1.4rem}
.contact-info h3{font-size:1.1rem;margin-bottom:.3em}

/* ---------- Bandas CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:calc(var(--radius) + 6px);padding:clamp(34px,5.4vw,68px);background:linear-gradient(120deg,#071626,#0c2b4d 55%,#0a3f5c);border:1px solid rgba(31,162,255,.35);box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;background:radial-gradient(circle,rgba(0,224,200,.22),transparent 65%);pointer-events:none}
.cta-band__inner{position:relative;display:grid;gap:1.6rem;align-items:center}
@media(min-width:880px){.cta-band__inner{grid-template-columns:minmax(0,1.4fr) auto}}
.cta-band h2{margin-bottom:.25em}
.cta-band p{color:#bfd4e8;margin:0}
.cta-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* ---------- Migas de pan ---------- */
.breadcrumb{font-size:.85rem;color:var(--text-dim);margin-bottom:1.4rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:0}
.breadcrumb li+li::before{content:"/";margin-right:.4rem;opacity:.5}
.breadcrumb a:hover{color:#fff}
.breadcrumb [aria-current]{color:var(--accent-2)}

/* ---------- Comparativa / tabla de productos ---------- */
.compare-table{width:100%;border-collapse:collapse;font-size:.88rem}
.compare-table th,.compare-table td{border:1px solid var(--line);padding:.7rem .85rem;text-align:left}
.compare-table thead th{background:rgba(31,162,255,.14);color:#fff}
.compare-table td{color:var(--text-dim)}
.compare-table strong{color:#fff}

/* ---------- Pasos / timeline ---------- */
.steps{display:grid;gap:1.2rem;counter-reset:step}
@media(min-width:820px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{position:relative;padding:1.5rem 1.4rem;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.04)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-display);font-size:2.1rem;color:rgba(31,162,255,.45);display:block;line-height:1;margin-bottom:.5rem}
.light .step{background:#fff;border-color:rgba(18,32,47,.1)}

/* ---------- Bloque de texto en columnas ---------- */
.prose{max-width:820px}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.5em}
.prose p:last-child{margin-bottom:0}
.columns-2{column-gap:clamp(24px,4vw,54px)}
@media(min-width:900px){.columns-2{columns:2;column-fill:auto}}
.drop-cap::first-letter{font-family:var(--font-display);font-size:3.4em;float:left;line-height:.82;padding:.06em .12em 0 0;color:var(--accent)}

/* ---------- Pie de página ---------- */
.site-footer{background:#040a14;border-top:1px solid var(--line);padding:clamp(48px,6vw,80px) 0 0;position:relative}
.footer-grid{display:grid;gap:clamp(28px,4vw,44px);padding-bottom:clamp(34px,4vw,54px)}
@media(min-width:780px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-grid h3{font-size:1rem;letter-spacing:.12em;text-transform:uppercase;color:#fff;font-family:var(--font-body);font-weight:700;margin-bottom:1rem}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin:.55rem 0}
.footer-grid a{color:var(--text-dim);font-size:.92rem}
.footer-grid a:hover{color:var(--accent-2)}
.footer-brand p{color:var(--text-dim);font-size:.92rem;max-width:34ch}
.footer-note{border-top:1px solid var(--line-soft);padding:1.4rem 0 2rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.83rem;color:rgba(169,186,208,.75)}

/* ---------- Varios ---------- */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0}
.badge-soft{display:inline-block;background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.38);color:#ffce74;font-weight:700;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .7rem;border-radius:6px}
.related{margin-top:clamp(40px,5vw,70px)}
.mini-product{display:flex;gap:1rem;align-items:center;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem;transition:.3s}
.mini-product:hover{transform:translateY(-4px);border-color:rgba(31,162,255,.5)}
.mini-product img{width:64px;height:64px;object-fit:contain;background:#fff;border-radius:10px;padding:5px;flex:none}
.mini-product strong{display:block;font-size:.93rem}
.mini-product span{font-size:.78rem;color:var(--text-dim)}
.top-line{position:fixed;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent-warm));z-index:130;transform-origin:left;transform:scaleX(0)}
.to-top{position:fixed;right:20px;bottom:22px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(10,20,36,.88);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:100;backdrop-filter:blur(8px)}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-3px)}

/* ---------- Animación de entrada ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Impresión ---------- */
@media print{
  body{background:#fff;color:#000}
  .site-header,.site-footer,.cta-band,.to-top,.hero__bg,.nav,.btn{display:none!important}
  .spec-table th,.spec-table td{color:#000;border-color:#999;background:#fff}
}

/* ---------- Utilidades añadidas ---------- */
.center{text-align:center}
.btn-row.center{justify-content:center}
.light .filter-btn{background:#fff;border-color:rgba(18,32,47,.16);color:var(--text-ink-dim)}
.light .filter-btn:hover{color:#0b6bcb;border-color:rgba(11,107,203,.5)}
.light .filter-btn.is-active{color:#fff;border-color:transparent;background:linear-gradient(120deg,var(--accent),#0b6bcb)}
.light .compare-table{background:#fff}
.light .compare-table th,.light .compare-table td{border-color:rgba(18,32,47,.14);color:var(--text-ink)}
.light .compare-table thead th{background:rgba(11,107,203,.10);color:#0d2b4b}
.light .compare-table td strong,.light .compare-table strong{color:#0d2b4b}
.light .spec-chips li{background:rgba(11,107,203,.08);border-color:rgba(11,107,203,.2);color:#123b63}
.light .feature-list strong{color:var(--text-ink)}
.light .feature-list li{color:var(--text-ink-dim)}
.light .step h3{color:#0d2b4b}
.light .sol-item figcaption{color:#fff}
.compare-table tbody tr:hover{background:rgba(31,162,255,.07)}
.light .table-wrap{border-radius:14px;box-shadow:0 16px 34px -28px rgba(18,32,47,.55)}