/* ============ CJG Tuberías — estilos compartidos (blanco y azul corporativo) ============ */
:root{
  --bg:#F6F8FB;           /* fondo general claro */
  --surface:#FFFFFF;      /* paneles */
  --navy:#0E2A54;         /* azul oscuro institucional */
  --navy-2:#123667;
  --brand:#1A56B0;        /* azul principal */
  --brand-deep:#134491;
  --tint:#E8EFF9;         /* azul pastel */
  --tint-2:#F0F5FC;
  --ink:#17202E;          /* texto */
  --muted:#5A6A80;
  --dim:#8B99AD;
  --wa:#1F8A50;
  --line:rgba(14,42,84,.14);
  --line2:rgba(14,42,84,.08);
  --shadow:0 1px 2px rgba(14,42,84,.05),0 10px 28px rgba(14,42,84,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"DM Sans",system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:"Space Grotesk",sans-serif;font-weight:700;line-height:1.08;letter-spacing:-.015em;margin:0;color:var(--navy)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.mono{font-family:"IBM Plex Mono",monospace}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:"Space Grotesk";font-weight:700;font-size:15px;padding:14px 26px;border-radius:5px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .15s,border-color .15s,background .15s,color .15s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 2px 10px rgba(26,86,176,.22)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px)}
.btn-line{border-color:var(--line);color:var(--navy);background:var(--surface)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{filter:brightness(.95);transform:translateY(-1px)}

/* ---- top bar ---- */
.topbar{background:#fff;color:var(--muted);border-bottom:1px solid var(--line2)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;font-family:"IBM Plex Mono";font-size:12px}
.topbar a{color:var(--muted);transition:color .15s;display:flex;align-items:center;gap:7px}
.topbar a:hover{color:var(--brand)}
.topbar .wa{color:var(--wa)}
.ico{width:13px;height:13px;flex:none}

/* ---- nav ---- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand-logo{height:54px;width:auto;display:block}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a{font-family:"IBM Plex Mono";font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:9px 14px;border-radius:5px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--navy);background:var(--tint-2)}
.nav-links a.active{color:var(--brand);background:var(--tint)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:5px;color:var(--navy);cursor:pointer;font-size:18px;padding:6px 10px}

/* ---- cabecera de página interior ---- */
.page-head{position:relative;border-bottom:1px solid var(--line2);background:linear-gradient(180deg,var(--tint) 0%,var(--bg) 100%);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(26,86,176,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(26,86,176,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 90% 100% at 50% 0%,#000 30%,transparent 100%)}
.page-head .wrap{position:relative;padding-top:56px;padding-bottom:50px}
.page-head .crumb{font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase}
.page-head .crumb b{color:var(--brand);font-weight:500}
.page-head h1{font-size:clamp(34px,4.6vw,56px);text-transform:uppercase;margin-top:14px}
.page-head p{color:var(--muted);font-size:16.5px;max-width:60ch;margin:16px 0 0}

section{padding:84px 0}
.sec-label{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.18em;color:var(--brand);text-transform:uppercase}
.sec-label::before{content:"// ";color:var(--dim)}
.sec-title{font-size:clamp(26px,3.4vw,42px);margin-top:14px}
.sec-sub{color:var(--muted);font-size:16.5px;margin-top:14px;max-width:62ch}

/* ---- tarjetas de producto (corte transversal SVG) ---- */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:980px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,border-color .18s,box-shadow .18s}
.prod:hover{transform:translateY(-4px);border-color:rgba(26,86,176,.4);box-shadow:var(--shadow)}
.prod .cross{display:flex;align-items:center;justify-content:center;padding:26px 0 10px;border-bottom:1px solid var(--line2);background:radial-gradient(ellipse 70% 60% at 50% 40%,var(--tint),transparent)}
.prod .cross svg{width:130px;height:130px}
.prod .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.prod h3{font-size:20px}
.prod .ducts{font-family:"IBM Plex Mono";font-size:11px;color:var(--brand);letter-spacing:.1em;margin:7px 0 11px}
.prod p{color:var(--muted);font-size:13.5px;flex:1;margin:0 0 15px}
.prod .more{font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.prod .more::after{content:" →"}

/* ---- KPIs ---- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.kpi{padding:30px 26px;border-left:1px solid var(--line2)}
.kpi:first-child{border-left:0}
.kpi .n{font-family:"Space Grotesk";font-weight:700;font-size:34px;color:var(--brand)}
.kpi .l{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.14em;color:var(--dim);text-transform:uppercase;margin-top:6px}

/* ---- marquee ---- */
.marquee{border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);background:var(--surface);overflow:hidden}
.marquee .track{display:flex;white-space:nowrap;animation:mq 28s linear infinite;width:max-content}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee span{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.22em;color:var(--muted);padding:13px 0;text-transform:uppercase}
.marquee span i{font-style:normal;color:var(--brand);padding:0 26px}

/* ---- INTI / certificados ---- */
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.inti{position:relative;padding:40px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(140deg,var(--tint),#fff)}
.inti .giant{font-family:"Space Grotesk";font-weight:700;font-size:clamp(64px,7vw,110px);line-height:.9;color:transparent;-webkit-text-stroke:1.5px rgba(26,86,176,.45)}
.inti h3{font-size:22px;margin-top:18px}
.inti p{color:var(--muted);font-size:15px;margin:12px 0 24px;max-width:46ch}
.checklist{border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.checklist .ch-head{padding:13px 20px;border-bottom:1px solid var(--line2);font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase;background:var(--tint-2)}
.check{display:flex;gap:15px;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--line2)}
.check:last-child{border-bottom:0}
.check .ok{width:26px;height:26px;flex:none;border-radius:50%;border:1px solid rgba(26,86,176,.4);color:var(--brand);background:var(--tint);display:flex;align-items:center;justify-content:center;font-size:13px}
.check b{display:block;font-family:"Space Grotesk";font-size:15.5px;color:var(--navy);font-weight:600}
.check p{margin:3px 0 0;font-size:13.5px;color:var(--muted)}

/* ---- ficha técnica ---- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.readout{border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.readout .r-head{display:flex;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line2);font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;background:var(--tint-2)}
.readout .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block;margin-right:8px}
table.specs{width:100%;border-collapse:collapse;font-family:"IBM Plex Mono";font-size:13px}
table.specs td{padding:11px 18px;border-bottom:1px solid var(--line2)}
table.specs tr:last-child td{border-bottom:0}
table.specs td:first-child{color:var(--muted);width:45%}
table.specs td:last-child{color:var(--navy);text-align:right;font-weight:500}
.pills{display:flex;flex-wrap:wrap;gap:9px}
.pills span{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--brand-deep);background:var(--tint);border:1px solid rgba(26,86,176,.25);border-radius:4px;padding:7px 13px;letter-spacing:.05em}

/* ---- aplicaciones ---- */
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.use{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:20px;transition:border-color .15s,transform .15s,box-shadow .15s}
.use:hover{border-color:rgba(26,86,176,.4);transform:translateY(-2px);box-shadow:var(--shadow)}
.use .u-ic{width:36px;height:36px;border-radius:7px;background:var(--tint);border:1px solid var(--line2);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.use .u-ic svg{width:19px;height:19px}
.use b{font-family:"Space Grotesk";font-size:15px;color:var(--navy);font-weight:600;display:block}
.use p{margin:5px 0 0;font-size:13px;color:var(--muted)}

/* ---- catálogos ---- */
.dl-list{display:grid;border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.dl-item{display:flex;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line2);transition:background .15s}
.dl-item:last-child{border-bottom:0}
.dl-item:hover{background:var(--tint-2)}
.dl-item .idx{font-family:"IBM Plex Mono";font-size:11.5px;color:var(--dim);width:34px;flex:none}
.dl-item .dtxt{flex:1;min-width:0}
.dl-item h4{font-family:"Space Grotesk";font-size:15.5px;font-weight:600}
.dl-item p{margin:3px 0 0;font-size:13px;color:var(--muted)}
.dl-item .dmeta{font-family:"IBM Plex Mono";font-size:10.5px;color:var(--dim);letter-spacing:.08em;text-transform:uppercase;flex:none}
.dl-item .btn{padding:9px 16px;font-size:13px;flex:none}
.dl-empty{font-family:"IBM Plex Mono";font-size:13px;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:10px;padding:30px;text-align:center}

/* ---- contacto ---- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.clines{display:grid;border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.cline{display:flex;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line2)}
.cline:last-child{border-bottom:0}
.cline .ci{width:36px;height:36px;flex:none;border-radius:7px;background:var(--tint);border:1px solid var(--line2);color:var(--brand);display:flex;align-items:center;justify-content:center}
.cline .ci svg{width:17px;height:17px}
.cline .k{font-family:"IBM Plex Mono";font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.cline .v{font-size:14.5px;color:var(--navy);font-weight:500;margin-top:1px}
.form{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:15px}
.field label{display:block;font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--ink);padding:12px 13px;font-family:"DM Sans";font-size:15px;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,86,176,.12)}
.field textarea{resize:vertical;min-height:88px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .btn-primary{width:100%;justify-content:center;margin-top:4px}
.form-note{font-family:"IBM Plex Mono";font-size:11px;color:var(--dim);margin-top:13px;text-align:center}
.sent{display:none;text-align:center;padding:16px 0}
.sent.on{display:block}
.sent .big{font-family:"Space Grotesk";font-weight:700;font-size:22px;color:var(--brand)}

/* ---- CTA banda ---- */
.cta-band{border-top:1px solid var(--line2);background:linear-gradient(120deg,var(--tint),var(--tint-2))}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;padding-top:52px;padding-bottom:52px;flex-wrap:wrap}
.cta-band h3{font-size:clamp(22px,2.8vw,32px)}
.cta-band p{color:var(--muted);margin:8px 0 0;font-size:15px}

/* ---- footer ---- */
footer{background:var(--navy);color:#B7C5DC;padding:56px 0 34px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.foot h5{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#7E90B0;margin:0 0 16px}
.foot a,.foot p{display:block;color:#B7C5DC;font-size:14px;margin:0 0 9px;transition:color .15s}
.foot a:hover{color:#fff}
.foot-logo{height:66px;width:auto;display:block;filter:brightness(0) invert(1);opacity:.95}
.foot-bottom{display:flex;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);color:#7E90B0;font-family:"IBM Plex Mono";font-size:11px;flex-wrap:wrap;gap:8px}

.rv{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:80;display:flex;align-items:center;gap:10px;background:var(--wa);color:#fff;padding:13px 18px 13px 15px;border-radius:40px;box-shadow:0 8px 24px rgba(14,42,84,.3);font-family:"Space Grotesk";font-weight:600;font-size:14.5px;transition:transform .15s}
.wa-float:hover{transform:translateY(-2px)}
.wa-float svg{width:24px;height:24px;flex:none}

@media(max-width:960px){
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px 24px;gap:6px;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .nav-cta{display:none}
  .cert-grid,.spec-grid,.contact-grid{grid-template-columns:1fr;gap:42px}
  .prods,.uses{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .kpi{border-top:1px solid var(--line2)}
  .kpi:nth-child(-n+2){border-top:0}
  .kpi:nth-child(odd){border-left:0}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .prods,.uses,.two,.kpis,.foot{grid-template-columns:1fr}
  section{padding:60px 0}
  .brand-logo{height:46px}
  .dl-item{flex-wrap:wrap}
  .wa-float .wa-label{display:none}
  .wa-float{padding:14px;border-radius:50%}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.rv{opacity:1;transform:none}.marquee .track{animation:none}}