/* MN Metal Services — hoja de estilos compartida
   Dirección: metal oscuro elegante. Negro carbón + gris acero + blanco,
   con acabado "acero cepillado" como acento (sin colores de marca gastados).
*/
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&display=swap');

:root{
  --bg:#0c0e10;          /* negro carbón — fondo base de toda página */
  --bg-2:#15181b;        /* panel elevado: header, tarjetas, footer */
  --bg-3:#1d2225;        /* panel hover / franjas alternas sutiles */
  --line:#2a2f33;        /* división estándar sobre fondo oscuro */
  --line-soft:#212528;
  --ink:#f3f5f6;         /* texto principal, casi blanco */
  --ink-2:#a7afb5;       /* gris acero — texto secundario */
  --ink-3:#6d757b;       /* gris acero apagado — terciario */
  --silver-a:#f4f5f6;
  --silver-b:#8b939a;
  --btn-ink:#121416;     /* texto sobre botón plateado */
  --whatsapp:#22a35a;
  --radius:10px;
  --radius-lg:16px;
  --max:1180px;
  --display:'Manrope',system-ui,'Segoe UI',Arial,sans-serif;
  --body:'Manrope',system-ui,'Segoe UI',Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,'Courier New',Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.container{width:min(92%,var(--max));margin:auto}
.section{padding:74px 0}
.section-tight{padding:48px 0}
h1,h2,h3{line-height:1.14;font-family:var(--display);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:8px 0 14px}
h3{font-size:1.1rem;margin:0 0 6px;font-weight:700}
.muted{color:var(--ink-2)}
.mono{font-family:var(--mono)}

/* Superficie "acero cepillado" — usada en paneles clave (firma visual) */
.brushed{
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 5px),
    linear-gradient(150deg,#22262a,#131619 60%,#0e1012);
  border:1px solid var(--line);
}

/* Etiqueta de sección */
.tag{display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;font:700 .72rem/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.tag::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--silver-a),var(--silver-b))}

.head{max-width:600px}
.head p{color:var(--ink-2)}

/* Header — logo protagonista, menú cómodo */
header{position:sticky;top:0;z-index:100;background:rgba(12,14,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:74px;width:auto;object-fit:contain}
.navlinks{display:flex;gap:8px;align-items:center;font-weight:600;font-size:.94rem}
.navlinks a{padding:10px 14px;border-radius:999px;color:var(--ink-2);transition:.18s}
.navlinks a:hover{color:var(--ink);background:var(--bg-3)}
.navlinks a.active{color:var(--ink);background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);border:1px solid transparent;padding:13px 22px;font-weight:700;font-size:.92rem;cursor:pointer;transition:.2s}
.btn-primary{background:linear-gradient(155deg,var(--silver-a),var(--silver-b));color:var(--btn-ink);box-shadow:0 8px 20px rgba(0,0,0,.35)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-outline{border-color:var(--line);color:var(--ink);background:var(--bg-2)}
.btn-outline:hover{border-color:var(--silver-b)}
.btn-whatsapp{background:var(--whatsapp);color:#fff}
.btn-whatsapp:hover{filter:brightness(1.08)}
.menu{display:none;border:1px solid var(--line);background:var(--bg-2);color:var(--ink);border-radius:var(--radius);padding:9px 13px;font-size:1.1rem}

/* Selector de idioma */
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;flex:none}
.lang-btn{background:transparent;border:none;color:var(--ink-3);font:700 .72rem/1 var(--body);letter-spacing:.03em;padding:9px 12px;cursor:pointer;transition:.15s}
.lang-btn.active{background:var(--bg-3);color:var(--ink)}
.lang-btn:not(.active):hover{color:var(--ink-2)}

/* Hero — logo destacado sobre panel de acero cepillado */
.hero{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:64px 0}
h1{font-size:clamp(2.5rem,5vw,4rem);margin:6px 0 18px}
h1 .accent{background:linear-gradient(120deg,var(--silver-a),var(--silver-b));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{color:var(--ink-2);max-width:460px;font-size:1.05rem}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-visual{position:relative;border-radius:var(--radius-lg);padding:36px 30px 26px;text-align:center}
.hero-visual img{width:78%;max-width:280px;margin:0 auto;filter:drop-shadow(0 16px 30px rgba(0,0,0,.45))}
.hero-visual{overflow:hidden}
.hero-visual video{display:block;width:100%;max-width:460px;height:230px;object-fit:cover;object-position:center;margin:0 auto;border-radius:12px;transform:scale(1.2);filter:drop-shadow(0 16px 30px rgba(0,0,0,.45))}
.spec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.spec-list div{padding:0 8px;border-left:1px solid var(--line)}
.spec-list div:first-child{border-left:none}
.spec-list b{display:block;font-family:var(--mono);font-size:.98rem;color:var(--ink)}
.spec-list span{color:var(--ink-3);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em}

.hero-perks{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);text-align:left}
.hero-perks div{display:flex;gap:9px;align-items:flex-start;font-size:.88rem;color:var(--ink-2);line-height:1.35}
.hero-perks b{color:var(--silver-a);font-weight:700;flex:none}

/* Encabezado de páginas interiores */
.pagehead{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:6px;align-items:center;color:var(--ink-3);font-size:.8rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:.04em}
.breadcrumb a:hover{color:var(--ink)}
.pagehead-logo{display:block;width:140px;margin:4px 0 18px}
.pagehead h1{font-size:clamp(2rem,4vw,3rem);margin:0 0 12px;max-width:760px}
.pagehead p{color:var(--ink-2);max-width:620px;font-size:1rem}

/* Lista técnica de servicios */
.speclist{border-top:1px solid var(--line)}
.specrow{display:grid;grid-template-columns:56px 1fr auto;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);align-items:baseline;transition:.18s}
.specrow:hover{background:var(--bg-2)}
.specrow .idx{font-family:var(--mono);color:var(--ink-3);font-size:.82rem}
.specrow h3{margin:0}
.specrow p{margin:6px 0 0;color:var(--ink-2)}
.specrow a{font-size:.84rem;font-weight:700;color:var(--ink);white-space:nowrap}
.specrow a:hover{color:var(--silver-a)}

/* Negocio / nosotros */
.business-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.business-photo img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line)}
.business-copy p{color:var(--ink-2);font-size:1.02rem}
.checks{display:grid;gap:14px;margin:22px 0}
.check{display:flex;gap:14px;align-items:flex-start}
.check b{font-family:var(--mono);color:var(--ink-3);font-size:.82rem;padding-top:2px}
.check strong{display:block;font-size:.96rem}
.check span{color:var(--ink-2);font-size:.9rem}

/* Franja de valores en línea */
.values-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.values-row>div{padding:26px 24px;border-left:1px solid var(--line)}
.values-row>div:first-child{border-left:none}
.values-row h3{font-size:1rem}
.values-row p{color:var(--ink-2);font-size:.9rem;margin:0}

/* Galería */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.filter-btn{border:1px solid var(--line);background:var(--bg-2);color:var(--ink-2);border-radius:999px;padding:9px 16px;font-weight:600;font-size:.82rem;cursor:pointer;transition:.15s}
.filter-btn:hover{color:var(--ink)}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:var(--btn-ink)}
.gallery-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:250px;gap:10px}
.gallery-item{position:relative;overflow:hidden;background:var(--bg-2);border-radius:var(--radius);border:1px solid var(--line)}
.gallery-item:first-child{grid-row:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-item:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.8),transparent 55%)}
.gallery-caption{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff}
.gallery-caption strong{display:block;font-size:.98rem}
.gallery-caption span{color:#c9cfd3;font-size:.82rem}
.gallery-item[hidden]{display:none}

/* Cotizador */
.quote-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.quote-steps{display:grid;gap:16px}
.quote-box{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
label{font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-2)}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);padding:12px 13px;outline:none;font-family:var(--mono);font-size:.92rem}
select,textarea{font-family:var(--body)}
input:focus,select:focus,textarea:focus{border-color:var(--ink-2)}
textarea{min-height:80px;resize:vertical}
.estimate{margin-top:18px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--line);padding:20px;display:none}
.estimate.show{display:block}
.estimate-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.estimate small{color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem}
.price{font-size:2rem;font-weight:800;font-family:var(--display);background:linear-gradient(120deg,var(--silver-a),var(--silver-b));-webkit-background-clip:text;background-clip:text;color:transparent}
.breakdown{display:grid;gap:7px;margin:16px 0;color:var(--ink-2);font-size:.86rem;font-family:var(--mono)}
.breakdown div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px dashed var(--line);padding-bottom:6px}
.notice{font-size:.8rem;color:var(--ink-3)}

/* Proceso — línea de tiempo simple */
.process-row{display:flex;border-top:1px solid var(--line)}
.process-row .step{flex:1;padding:20px 22px 0 0;border-right:1px solid var(--line)}
.process-row .step:last-child{border-right:none}
.step .idx{font-family:var(--mono);color:var(--ink-3);font-size:.78rem;display:block;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:.88rem;margin:4px 0 0}

/* Legal */
.legal-shell{display:grid;grid-template-columns:210px 1fr;gap:44px;align-items:start}
.legal-toc{position:sticky;top:100px;display:grid;gap:2px;font-size:.84rem}
.legal-toc a{padding:8px 0;color:var(--ink-2);border-bottom:1px solid var(--line)}
.legal-toc a:hover{color:var(--ink)}
.legal-updated{color:var(--ink-3);font-size:.82rem;margin-bottom:26px}
.legal h3{font-size:1.05rem;margin:30px 0 8px}
.legal h3:first-child{margin-top:0}
.legal p,.legal li{color:var(--ink-2);font-size:.95rem}
.legal ul{padding-left:18px}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{cursor:pointer;padding:16px 0;font-weight:700;font-size:.95rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details p{color:var(--ink-2);padding-bottom:16px;margin:0}

/* Contacto */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-list{display:grid;border-top:1px solid var(--line)}
.contact-row{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.contact-row span:first-child{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3)}
.contact-row span:last-child,.contact-row a{font-size:.98rem}
.sched-board{border-top:1px solid var(--line)}
.sched-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.sched-day{color:var(--ink-2)}
.sched-time{font-family:var(--mono);color:var(--ink)}
.map-frame{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:320px;background:var(--bg-2)}
.map-frame iframe{width:100%;height:100%;min-height:320px;border:0;display:block}
.social-row{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.social-row a.social-ico{display:block;width:40px;height:40px;border-radius:10px;overflow:hidden;line-height:0;box-shadow:0 0 0 1px var(--line);transition:.18s}
.social-row a.social-ico:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,.4)}
.social-row a.social-ico svg{display:block}

/* Tarjetas de categoría (Servicios / Ventas) */
.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.category-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;display:flex;flex-direction:column;gap:12px;transition:.2s}
.category-card:hover{border-color:var(--silver-b)}
.category-card .cat-icon{width:52px;height:52px;border-radius:14px;background:var(--bg-3);display:grid;place-items:center;border:1px solid var(--line);color:var(--silver-a)}
.category-card .cat-icon svg{width:26px;height:26px}
.category-card h3{font-size:1.2rem;margin:4px 0 0}
.category-card p{color:var(--ink-2);font-size:.92rem;margin:0}
.category-card a{font-weight:700;font-size:.86rem;color:var(--ink);margin-top:auto;padding-top:6px}
.category-card a:hover{color:var(--silver-a)}

/* CTA final compacto */
.cta-band{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px 44px}
.cta-band h2{margin:0}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
footer{padding:56px 0 26px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px}
.footer-brand img{height:40px;margin-bottom:14px}
.footer-brand p{color:var(--ink-2);font-size:.88rem;max-width:260px;margin:0 0 18px;line-height:1.55}
.footer-col h4{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);margin:0 0 14px;font-weight:700}
.footer-col a,.footer-col span{display:block;color:var(--ink-2);padding:5px 0;font-size:.9rem}
.footer-col a:hover{color:var(--ink)}
.footer-col .footer-legal-links{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.footer-bottom{padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem;color:var(--ink-3)}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--ink)}

/* Botón flotante de WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;align-items:center;gap:9px;background:var(--whatsapp);color:#fff;border-radius:999px;padding:14px 18px;font-weight:700;font-size:.86rem;box-shadow:0 10px 26px rgba(0,0,0,.4)}
.wa-float:hover{filter:brightness(1.08)}
.wa-float svg{width:19px;height:19px}
.wa-float span.wa-text{display:none}
@media(min-width:760px){.wa-float span.wa-text{display:inline}}

/* MN Asistente — botón flotante + panel de chat */
.chat-float{position:fixed;right:20px;bottom:82px;z-index:200;width:52px;height:52px;border-radius:50%;background:linear-gradient(155deg,var(--silver-a),var(--silver-b));border:none;color:var(--btn-ink);display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 24px rgba(0,0,0,.4);transition:.18s}
.chat-float:hover{transform:translateY(-2px);filter:brightness(1.05)}
.chat-float svg{width:24px;height:24px}
.chat-panel{position:fixed;right:20px;bottom:146px;z-index:210;width:340px;max-width:calc(100vw - 32px);height:min(480px,70vh);background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 24px 60px rgba(0,0,0,.55);display:none;flex-direction:column;overflow:hidden}
.chat-panel.open{display:flex}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--bg-3);flex:none}
.chat-head strong{font-size:.94rem}
.chat-close{background:none;border:none;color:var(--ink-2);cursor:pointer;font-size:1rem;line-height:1;padding:4px}
.chat-close:hover{color:var(--ink)}
.chat-messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.chat-msg{max-width:85%;padding:9px 12px;border-radius:12px;font-size:.86rem;line-height:1.42;white-space:pre-wrap}
.chat-msg.user{align-self:flex-end;background:linear-gradient(155deg,var(--silver-a),var(--silver-b));color:var(--btn-ink);border-bottom-right-radius:3px}
.chat-msg.assistant{align-self:flex-start;background:var(--bg);border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:3px}
.chat-msg.error{align-self:stretch;background:transparent;border:1px dashed var(--line);color:var(--ink-3);font-size:.8rem}
.chat-typing{align-self:flex-start;color:var(--ink-3);font-size:.78rem;font-style:italic}
.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);flex:none}
.chat-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--ink);padding:9px 14px;font-size:.86rem;outline:none}
.chat-form input:focus{border-color:var(--ink-2)}
.chat-form button{border:none;border-radius:999px;background:linear-gradient(155deg,var(--silver-a),var(--silver-b));color:var(--btn-ink);width:38px;height:38px;display:grid;place-items:center;cursor:pointer;flex:none}
.chat-form button:hover{filter:brightness(1.05)}

@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr}
  .business-grid,.quote-grid,.contact-grid,.legal-shell{grid-template-columns:1fr}
  .legal-toc{position:static;display:flex;flex-wrap:wrap;gap:10px 18px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line)}
  .legal-toc a{border-bottom:none;padding:0}
  .values-row{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .values-row>div{border-left:none;border-top:1px solid var(--line)}
  .values-row>div:first-child{border-top:none}
  .process-row{flex-direction:column}
  .process-row .step{border-right:none;border-bottom:1px solid var(--line);padding:18px 0}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .gallery-item:first-child{grid-row:auto;grid-column:1/-1}
  .specrow{grid-template-columns:40px 1fr}
  .specrow a{grid-column:2/-1}
  .cta-band{padding:30px 26px}
  .navlinks{display:none;position:absolute;left:4%;right:4%;top:92px;flex-direction:column;align-items:stretch;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:12px;gap:2px}
  .navlinks a{padding:12px 14px}
  .navlinks.open{display:flex}.menu{display:block}.desktop-quote{display:none}
}
@media(max-width:640px){
  .section{padding:52px 0}
  .form-grid,.gallery-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .cta-band{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{grid-column:auto}
  .estimate-top{flex-direction:column}
  .spec-list{grid-template-columns:1fr;gap:10px}
  .spec-list div{border-left:none;border-top:1px solid var(--line);padding-top:10px}
  .spec-list div:first-child{border-top:none}
  .hero-perks{grid-template-columns:1fr}
  .wa-float{padding:13px;right:14px;bottom:14px}
  .chat-float{right:14px;bottom:74px;width:48px;height:48px}
  .chat-panel{right:12px;bottom:130px;width:calc(100vw - 24px);height:min(440px,68vh)}
}
@media print{
  header,footer,.wa-float{display:none}
}