/* ===== Vulcano3D Tech — estilos compartidos de páginas de servicio ===== */
:root{
  --bg:#ffffff; --bg2:#f1f3f5; --surface:#ffffff; --surface2:#f4f6f8;
  --border:#e4e7eb; --border2:#cfd4da;
  --text:#15181d; --muted:#57606a; --muted2:#89909b;
  --accent:#ff5a1f; --accent2:#e8500f; --accentdim:rgba(255,90,31,.10);
}
.steel{
  --bg:#2b3138; --bg2:#23282e; --surface:#333a42; --surface2:#2b3138;
  --border:#3d444d; --border2:#4c545e;
  --text:#f3f4f5; --muted:#aeb4bc; --muted2:#7f8790;
  --accent:#ff6a33; --accent2:#ff8552; --accentdim:rgba(255,106,51,.14);
  background:var(--bg); color:var(--text);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:'IBM Plex Sans',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent2)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 48px}
h1,h2,h3{font-family:'Archivo',sans-serif;margin:0}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Archivo',sans-serif;font-weight:700;font-size:15px;padding:14px 26px;border-radius:3px;border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--accent);color:#0b0c0e}
.btn-primary:hover{background:var(--accent2);color:#0b0c0e}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* Header */
.lp-header{position:sticky;top:0;z-index:50;border-bottom:1px solid #3d444d;background:rgba(16,18,21,.92);backdrop-filter:blur(10px)}
.lp-nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.lp-logo{display:flex;align-items:center;gap:12px}
.lp-logo b{font-family:'Archivo',sans-serif;font-weight:800;font-size:19px;letter-spacing:.02em;color:#f4f5f6;display:block;line-height:1}
.lp-logo .t{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.42em;color:#ff6a33;display:block;margin-top:3px}
.lp-nav .links{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:500}
.lp-nav .links a{color:#cfd4da;padding:8px 13px;border-radius:3px}
.lp-nav .links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.lp-nav .links .cta{background:var(--accent);color:#0b0c0e;font-weight:700;padding:11px 20px}
.lp-nav .links .cta:hover{background:var(--accent2);color:#0b0c0e}

/* Hero */
.lp-hero{position:relative;background-color:#0a0b0d}
.lp-hero .wrap{min-height:440px;display:flex;flex-direction:column;justify-content:center;padding-block:76px}
.lp-hero h1{font-size:46px;font-weight:800;line-height:1.05;margin-top:18px;max-width:760px}
.lp-hero .sub{color:#d3d8dd;font-size:19px;margin-top:20px;max-width:620px}
.lp-hero .accent{color:var(--accent)}
.lp-hero .cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#8b929b;margin-bottom:4px}
.breadcrumb a{color:#8b929b}
.breadcrumb a:hover{color:var(--accent)}

/* Secciones */
.sec{padding:76px 0}
.sec .head{max-width:720px;margin-bottom:40px}
.sec h2{font-size:34px;font-weight:800;margin-top:16px}
.sec .lead{color:var(--muted);font-size:17px;margin-top:14px}
.prose p{color:var(--muted);font-size:16px;margin:0 0 16px;max-width:820px}
.prose strong{color:var(--text)}

/* Grid de tarjetas */
.lp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lp-grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:26px 24px}
.card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.card .n{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);letter-spacing:.1em}

/* Pasos numerados */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:6px;overflow:hidden}
.step{background:var(--surface);padding:28px 22px}
.step .n{font-family:'Archivo',sans-serif;font-weight:800;color:var(--accent);font-size:15px}
.step h3{font-size:17px;font-weight:700;margin:12px 0 7px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* FAQ */
.faq{border-bottom:1px solid var(--border)}
.faq summary{font-family:'Archivo',sans-serif;font-weight:700;font-size:17px;padding:18px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:400;font-size:22px}
.faq[open] summary::after{content:"\2212"}
.faq .a{color:var(--muted);font-size:15px;padding:0 0 18px;margin:0;max-width:820px}

/* Formulario */
.lp-form .fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lp-form .f{display:flex;flex-direction:column;gap:8px}
.lp-form .span2{grid-column:1 / -1}
.lp-form label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.lp-form input,.lp-form textarea{background:var(--bg);border:1px solid var(--border2);border-radius:2px;padding:12px 13px;color:var(--text);font-family:inherit;font-size:15px}
.lp-form input:focus,.lp-form textarea:focus{outline:none;border-color:var(--accent)}
.lp-form input[type=file]{background:var(--bg);border:1px dashed var(--border2);color:var(--muted);font-size:13px}

/* Footer */
.lp-footer{background:#23282e;color:#aeb4bc;border-top:1px solid #3d444d;padding:40px 0 0}
.lp-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px}
.lp-footer a{color:#aeb4bc}
.lp-footer a:hover{color:var(--accent)}
.lp-footer .col-title{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#7f8790;margin-bottom:14px}
.lp-footer .links-col{display:flex;flex-direction:column;gap:9px;font-size:14px}
.lp-footer .bottom{border-top:1px solid #3d444d}
.lp-footer .bottom .wrap{display:flex;justify-content:space-between;gap:16px;padding-block:18px;flex-wrap:wrap}
.lp-footer .bottom span{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#7f8790}

/* WhatsApp flotante */
.wa-float{position:fixed;right:20px;bottom:22px;z-index:900;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.28)}

/* Responsive */
@media(max-width:860px){
  .wrap{padding:0 22px}
  .lp-nav .links{display:none}
  .lp-hero h1{font-size:34px}
  .lp-grid,.lp-grid.two{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .lp-form .fields{grid-template-columns:1fr}
  .lp-footer .cols{grid-template-columns:1fr}
  .sec{padding:56px 0}
}
@media(max-width:480px){ .steps{grid-template-columns:1fr} }