/* Venrell — diseño limpio y moderno (v3) */
:root{
  --ink:#0E1116;--ink2:#3B4250;--muted:#6B7280;--line:#E7E8EB;--soft:#F6F7F8;--bg:#fff;
  --accent:#1F5D4C;--accent2:#E9F2EE;--warm:#C26B2E;--radius:20px;--shadow:0 1px 2px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.08)
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;width:100%;height:100%;object-fit:cover}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}

/* ---------- navegación ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-color:var(--line)}
.nav{display:flex;align-items:center;gap:36px;height:68px}
.logo{font-weight:700;font-size:21px;letter-spacing:-.4px;text-decoration:none;display:flex;align-items:center;gap:9px}
.logo i{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--warm),#F2A65A 45%,#7CC3DD 55%,#2F7FB5);display:inline-block}
.menu{display:flex;gap:6px;flex:1}
.menu a{text-decoration:none;color:var(--ink2);font-weight:500;font-size:15px;padding:8px 12px;border-radius:10px;transition:background .15s,color .15s}
.menu a:hover{background:var(--soft);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:12px 20px;border-radius:12px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(14,17,22,.18)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--soft);box-shadow:none}
.btn.sm{padding:9px 14px;font-size:14px;border-radius:10px}
.link{font-weight:600;font-size:14px;text-decoration:none;color:var(--accent)}
.link:hover{text-decoration:underline}
.burger{display:none;margin-left:auto;background:none;border:0;font-size:24px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent2);padding:6px 12px;border-radius:999px}
.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.05;letter-spacing:-1.6px;font-weight:700;margin:18px 0 18px}
.hero h1 span{color:var(--muted)}
.hero p.sub{font-size:19px;color:var(--ink2);max-width:520px}
.ctas{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-size:14px;color:var(--muted)}
.trust b{color:var(--ink)}
.slides{position:relative;aspect-ratio:4/4.3;border-radius:28px;overflow:hidden;background:var(--soft);box-shadow:var(--shadow)}
.slides figure{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity 1s ease,transform 6s ease}
.slides figure.on{opacity:1;transform:scale(1)}
.slides figcaption{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);padding:10px 14px;border-radius:14px;font-size:14px;font-weight:600;box-shadow:var(--shadow)}
.slides figcaption small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.dots{position:absolute;right:18px;bottom:22px;display:flex;gap:6px;z-index:3}
.dots button{width:8px;height:8px;border-radius:99px;border:0;background:rgba(255,255,255,.6);cursor:pointer;transition:width .3s,background .3s}
.dots button.on{width:22px;background:#fff}

/* ---------- secciones ---------- */
section.blk{padding:72px 0}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px}
.head h2{font-size:clamp(28px,3.2vw,40px);letter-spacing:-1px;line-height:1.1;font-weight:700}
.head p{color:var(--muted);max-width:520px;margin-top:8px}

/* tabs */
.tabs{display:inline-flex;background:var(--soft);padding:5px;border-radius:14px;gap:4px;position:relative;margin-bottom:26px;flex-wrap:wrap}
.tabs button{position:relative;z-index:1;border:0;background:none;font:inherit;font-weight:600;font-size:15px;color:var(--ink2);padding:10px 18px;border-radius:10px;cursor:pointer;transition:color .2s}
.tabs button[aria-selected=true]{color:var(--ink)}
.tabs .pill{position:absolute;z-index:0;top:5px;bottom:5px;border-radius:10px;background:#fff;box-shadow:0 1px 2px rgba(16,24,40,.08),0 4px 10px rgba(16,24,40,.06);transition:left .35s cubic-bezier(.4,0,.2,1),width .35s cubic-bezier(.4,0,.2,1)}
.panel{display:none}
.panel.on{display:block;animation:entra .45s ease}
@keyframes entra{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* carrusel de productos */
.rail-wrap{position:relative}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*18px)/4);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 18px}
.rail::-webkit-scrollbar{display:none}
.arrows{display:flex;gap:8px}
.arrows button{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:17px;transition:background .15s}
.arrows button:hover{background:var(--soft)}
.pcard{scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pimg{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.pimg img{transition:transform .6s}
.pcard:hover .pimg img{transform:scale(1.05)}
.badge{position:absolute;left:12px;top:12px;background:#fff;font-size:12px;font-weight:600;padding:5px 10px;border-radius:99px;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.pbody{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.pbrand{font-size:13px;color:var(--muted);font-weight:500}
.pbody h3{font-size:18px;letter-spacing:-.3px;margin:2px 0 6px}
.pprice{font-weight:700;font-size:18px}
.pprice s{color:var(--muted);font-weight:500;font-size:14px;margin-left:6px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 16px}
.chips li{font-size:12.5px;background:var(--soft);color:var(--ink2);padding:4px 9px;border-radius:8px}
.pacts{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.nota{font-size:12.5px;color:var(--muted);margin-top:6px}

/* pasos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--soft);border-radius:var(--radius);padding:28px}
.step .n{width:34px;height:34px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 1px 2px rgba(0,0,0,.06);margin-bottom:16px}
.step h3{font-size:19px;margin-bottom:6px;letter-spacing:-.3px}
.step p{color:var(--ink2);font-size:15px}

/* buscador guiado (quiz) */
.quiz{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border-radius:28px;overflow:hidden;background:var(--ink);color:#fff}
.quiz .q-img{min-height:420px}
.quiz .q-body{padding:44px}
.quiz h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.8px;line-height:1.1}
.quiz .q-sub{color:#B9BEC7;margin:8px 0 26px}
.q-step{display:none}
.q-step.on{display:block;animation:entra .4s ease}
.q-step h4{font-size:17px;margin-bottom:12px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opts button{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#fff;font:inherit;font-weight:600;text-align:left;padding:14px 16px;border-radius:14px;cursor:pointer;transition:background .15s,border-color .15s}
.opts button:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3)}
.opts button small{display:block;font-weight:400;color:#B9BEC7;font-size:13px}
.q-prog{height:4px;background:rgba(255,255,255,.12);border-radius:9px;margin-bottom:24px;overflow:hidden}
.q-prog i{display:block;height:100%;width:33%;background:#fff;border-radius:9px;transition:width .35s}
.q-res{background:rgba(255,255,255,.07);border-radius:16px;padding:20px}
.q-res b{font-size:20px;display:block;margin-bottom:6px}
.q-res p{color:#D3D7DD;margin-bottom:16px}
.q-res .btn{background:#fff;color:var(--ink)}
.q-reset{background:none;border:0;color:#B9BEC7;font:inherit;margin-left:12px;cursor:pointer;text-decoration:underline}

/* grilla de guías */
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gcard{text-decoration:none;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:block;transition:transform .25s,box-shadow .25s}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.gcard .gi{aspect-ratio:16/10;overflow:hidden}
.gcard .gb{padding:16px 18px 20px}
.gcard small{color:var(--muted);font-weight:500}
.gcard h3{font-size:18px;letter-spacing:-.3px;margin-top:4px}

/* aparición al hacer scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- artículos ---------- */
.portada{max-width:1200px;margin:28px auto 0;padding:0 28px;position:relative}
.portada img{border-radius:28px;height:380px}
.portada .txt{position:absolute;left:62px;bottom:34px;right:62px;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.portada::after{content:"";position:absolute;left:28px;right:28px;top:0;bottom:0;border-radius:28px;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.55));pointer-events:none}
.portada .txt{z-index:2}
.portada .kicker{font-weight:600;font-size:14px;opacity:.9}
.portada h1,.display{font-family:inherit;font-weight:700;letter-spacing:-1.2px;line-height:1.05;text-transform:none}
.portada h1{font-size:clamp(34px,4.6vw,56px)}
.articulo{max-width:760px;margin:0 auto;padding:40px 28px 10px;font-size:17px;line-height:1.75;color:#1F2430}
.articulo h1{font-size:clamp(34px,4.5vw,48px);letter-spacing:-1.2px;line-height:1.08;margin:6px 0 14px}
.articulo h2{font-size:28px;letter-spacing:-.6px;line-height:1.2;margin:48px 0 14px;font-weight:700}
.articulo h3{font-size:19px;margin:26px 0 6px}
.articulo p{margin:0 0 16px}
.articulo ul,.articulo ol{margin:0 0 18px 22px}
.articulo li{margin-bottom:6px}
.kicker{font-weight:600;font-size:14px;color:var(--accent)}
.meta{font-size:14px;color:var(--muted);margin-bottom:22px}
.lead{font-size:19px;color:var(--ink2)}
.caja{background:var(--soft);padding:22px 26px;margin:24px 0;border-radius:16px}
.caja.hielo{background:#EEF6FA}
.caja b{display:block;margin-bottom:6px}
.aviso{margin:18px 0;padding:12px 16px;background:var(--soft);font-size:13.5px;color:var(--ink2);border-radius:12px}
.pendiente{background:#FFF7E0;border:1px solid #F5D58A;padding:10px 14px;font-size:14px;color:#7A5A00;margin:16px 0;border-radius:10px}
.tabla-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:16px}
table.comparativa{width:100%;border-collapse:collapse;font-size:15px}
.comparativa th{text-align:left;font-size:12.5px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);background:var(--soft);padding:12px 14px}
.comparativa td{border-top:1px solid var(--line);padding:13px 14px;vertical-align:top}
.btn-mini{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:8px 14px;border-radius:10px;font-size:13px;font-weight:600;white-space:nowrap}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.btn.borde{background:#fff;color:var(--ink);border:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none}
.faq summary::after{content:"+";float:right;color:var(--muted)}
.faq details[open] summary::after{content:"–"}

/* ---------- pie ---------- */
.pie{border-top:1px solid var(--line);margin-top:80px;padding:56px 0 30px;font-size:14px;color:var(--ink2)}
.pie-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.pie b{display:block;color:var(--ink);margin-bottom:12px}
.pie a{display:block;text-decoration:none;color:var(--ink2);margin-bottom:8px}
.pie a:hover{color:var(--ink)}
.pie .legal{color:var(--muted);font-size:12.5px;border-top:1px solid var(--line);margin-top:34px;padding-top:18px}

@media (max-width:980px){
  .hero .wrap,.quiz{grid-template-columns:1fr}
  .quiz .q-img{min-height:220px}
  .rail{grid-auto-columns:72%}
  .steps,.guides{grid-template-columns:1fr}
  .pie-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .menu,.nav>.btn{display:none}
  .burger{display:block}
  .menu.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;padding:12px 20px 20px;border-bottom:1px solid var(--line)}
  .wrap{padding:0 20px}
  .opts{grid-template-columns:1fr}
  .quiz .q-body{padding:28px}
  .portada{padding:0 20px}.portada::after{left:20px;right:20px}.portada .txt{left:40px;right:40px;bottom:24px}
  .portada img{height:280px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}