/* TallerPreciso — estética técnica industrial */
:root{
  --tinta:#14171a;
  --acero:#3f4750;
  --gris:#6b7480;
  --humo:#f2f3f5;
  --linea:#dfe3e7;
  --blanco:#ffffff;
  --naranja:#ff6a13;
  --naranja-osc:#d8530a;
  --amarillo:#ffc400;
  --verde:#1f7a3d;
  --max:1140px;
  --radio:4px;
  --sombra:0 1px 3px rgba(20,23,26,.08),0 8px 24px rgba(20,23,26,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--blanco);color:var(--tinta);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.65;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--naranja-osc);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{
  font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  font-weight:700;line-height:1.12;letter-spacing:.01em;margin:0 0 .5em;
  text-transform:uppercase;
}
h1{font-size:2.6rem}
h2{font-size:1.9rem;margin-top:1.8em}
h3{font-size:1.35rem;margin-top:1.6em;text-transform:none;letter-spacing:0}
p{margin:0 0 1.1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- Barra superior ---------- */
.topbar{background:var(--tinta);color:#c9ced4;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#c9ced4}

/* ---------- Cabecera ---------- */
.site-header{border-bottom:3px solid var(--tinta);background:var(--blanco);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.75rem;font-weight:700;text-transform:uppercase;color:var(--tinta);letter-spacing:.02em}
.logo:hover{text-decoration:none}
.logo .marca-b{color:var(--naranja)}
.logo-mark{width:34px;height:34px;flex:0 0 34px}
nav.principal{display:flex;gap:22px;flex-wrap:wrap}
nav.principal a{
  color:var(--acero);font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;
  font-size:1.05rem;font-weight:600;letter-spacing:.04em;padding-bottom:2px;border-bottom:2px solid transparent;
}
nav.principal a:hover{color:var(--tinta);border-bottom-color:var(--naranja);text-decoration:none}

/* ---------- Franja de obra ---------- */
.franja{height:8px;background:repeating-linear-gradient(45deg,var(--amarillo) 0 14px,var(--tinta) 14px 28px)}

/* ---------- Hero ---------- */
.hero{background:var(--tinta);color:#eef0f2;padding:56px 0 48px}
.hero h1{color:var(--blanco);max-width:18ch;font-size:3rem}
.hero p{color:#b9c0c8;max-width:60ch;font-size:1.12rem}
.hero .kicker{color:var(--naranja);font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.14em;font-weight:600;margin-bottom:10px}

/* ---------- Rejillas ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}

/* ---------- Tarjetas ---------- */
.card{border:1px solid var(--linea);border-radius:var(--radio);background:var(--blanco);padding:22px;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--acero);transform:translateY(-2px)}
.card h3{margin-top:0}
.card .meta{font-size:.8rem;color:var(--gris);text-transform:uppercase;letter-spacing:.08em}
.card a.stretch{color:var(--tinta)}
.card a.stretch:hover{color:var(--naranja-osc);text-decoration:none}
.cat-card{display:block;border-left:4px solid var(--naranja);background:var(--humo);padding:20px;border-radius:var(--radio);color:var(--tinta)}
.cat-card:hover{background:#e9ebee;text-decoration:none}
.cat-card strong{display:block;font-family:"Barlow Condensed",Arial,sans-serif;font-size:1.3rem;text-transform:uppercase}
.cat-card span{font-size:.92rem;color:var(--acero)}

/* ---------- Secciones ---------- */
section.bloque{padding:52px 0}
section.bloque.humo{background:var(--humo);border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{margin:0}

/* ---------- Artículo ---------- */
.articulo{max-width:760px;margin:0 auto;padding:40px 20px 20px}
.articulo h1{font-size:2.5rem}
.firma{display:flex;align-items:center;gap:12px;border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);padding:14px 0;margin:24px 0 32px;font-size:.9rem;color:var(--acero)}
.firma .avatar{width:44px;height:44px;border-radius:50%;background:var(--tinta);color:var(--naranja);display:flex;align-items:center;justify-content:center;font-family:"Barlow Condensed",Arial,sans-serif;font-weight:700;font-size:1.2rem;flex:0 0 44px}
.entradilla{font-size:1.15rem;color:var(--acero)}
.indice{background:var(--humo);border-left:4px solid var(--acero);padding:18px 22px;border-radius:var(--radio);margin:28px 0}
.indice strong{font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.06em}
.indice ol{margin:.6em 0 0;padding-left:1.2em}
.indice li{margin-bottom:.3em}

/* ---------- Ficha de producto ---------- */
.ficha{border:1px solid var(--linea);border-radius:var(--radio);margin:32px 0;overflow:hidden}
.ficha-cab{background:var(--tinta);color:var(--blanco);padding:16px 20px;display:flex;align-items:center;gap:14px}
.ficha-cab .puesto{background:var(--naranja);color:var(--tinta);font-family:"Barlow Condensed",Arial,sans-serif;font-weight:700;font-size:1.3rem;width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:var(--radio);flex:0 0 38px}
.ficha-cab h3{margin:0;color:var(--blanco);font-size:1.35rem;text-transform:uppercase;letter-spacing:.02em}
.ficha-cab .sello{margin-left:auto;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--amarillo);text-align:right}
.ficha-cuerpo{padding:20px}
.specs{width:100%;border-collapse:collapse;margin:14px 0;font-size:.93rem}
.specs th,.specs td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--linea)}
.specs th{width:42%;color:var(--acero);font-weight:600}
.pros-contras{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:16px 0}
.pros,.contras{border-radius:var(--radio);padding:14px 16px;font-size:.93rem}
.pros{background:#eef7f0;border-left:3px solid var(--verde)}
.contras{background:#fdf1ec;border-left:3px solid var(--naranja-osc)}
.pros ul,.contras ul{margin:.4em 0 0;padding-left:1.1em}
.pros strong,.contras strong{font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.06em}

/* ---------- Botones de afiliado ---------- */
.botonera{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:var(--radio);
  font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.06em;
  font-size:1.05rem;font-weight:700;border:2px solid transparent;cursor:pointer;
}
.btn:hover{text-decoration:none}
.btn-amazon{background:var(--naranja);color:var(--tinta)}
.btn-amazon:hover{background:var(--naranja-osc);color:var(--blanco)}
.btn-ml{background:var(--amarillo);color:var(--tinta)}
.btn-ml:hover{background:#e6b000}
.btn-fantasma{background:transparent;color:var(--tinta);border-color:var(--tinta)}
.btn-fantasma:hover{background:var(--tinta);color:var(--blanco)}
.nota-precio{font-size:.8rem;color:var(--gris);margin-top:10px}

/* ---------- Aviso de afiliados ---------- */
.aviso-afiliado{
  background:var(--humo);border:1px dashed var(--linea);border-radius:var(--radio);
  padding:14px 18px;font-size:.86rem;color:var(--acero);margin:26px 0;
}

/* ---------- Tabla comparativa ---------- */
.tabla-wrap{overflow-x:auto;margin:26px 0}
table.comparativa{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
table.comparativa th,table.comparativa td{padding:11px 12px;border-bottom:1px solid var(--linea);text-align:left;vertical-align:top}
table.comparativa thead th{background:var(--tinta);color:var(--blanco);font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.05em;font-size:.9rem}
table.comparativa tbody tr:nth-child(even){background:var(--humo)}

/* ---------- Caja de dato técnico ---------- */
.dato{border-left:4px solid var(--naranja);background:var(--humo);padding:16px 20px;border-radius:var(--radio);margin:26px 0}
.dato strong{font-family:"Barlow Condensed",Arial,sans-serif;text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:4px}

/* ---------- Pie ---------- */
.site-footer{background:var(--tinta);color:#aeb5bd;margin-top:60px;padding:44px 0 28px;font-size:.9rem}
.site-footer h4{color:var(--blanco);font-size:1.1rem;margin-bottom:.7em}
.site-footer a{color:#aeb5bd}
.site-footer a:hover{color:var(--naranja)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.4em}
.footer-legal{border-top:1px solid #2b3138;margin-top:30px;padding-top:18px;font-size:.82rem;color:#8b939c}

/* ---------- Migas ---------- */
.migas{font-size:.82rem;color:var(--gris);padding:14px 0}
.migas a{color:var(--gris)}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  body{font-size:16px}
  h1{font-size:2.1rem}
  .hero h1{font-size:2.2rem}
  h2{font-size:1.6rem}
  .site-header .wrap{padding-top:10px;padding-bottom:10px}
  nav.principal{gap:14px;width:100%}
  nav.principal a{font-size:.98rem}
  .articulo{padding:24px 18px}
  .btn{width:100%;justify-content:center}
}