:root{
  --bg:#07101b;
  --bg-2:#0a1422;
  --surface:#ffffff;
  --surface-2:#f4f7fb;
  --surface-3:#edf2f7;
  --ink:#101828;
  --muted:#667085;
  --line:#d8e0ea;
  --line-dark:rgba(255,255,255,.13);
  --gold:#d79a2b;
  --copper:#b86a2f;
  --cyan:#3ec7d3;
  --green:#70d48b;
  --danger:#d65b52;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 24px 70px rgba(12,25,44,.14);
  --shadow-dark:0 24px 80px rgba(0,0,0,.36);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:8px;z-index:1000}.skip-link:focus{left:12px;top:12px}
.site-header{position:sticky;top:0;z-index:900;background:rgba(7,16,27,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-dark)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}
.brand__mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(145deg,rgba(215,154,43,.25),rgba(62,199,211,.08));display:grid;place-items:center;border:1px solid rgba(215,154,43,.35)}
.brand__mark img{width:22px;height:auto}
.brand__text strong{display:block;font-size:14px;letter-spacing:.14em;text-transform:uppercase;line-height:1}.brand__text span{display:block;font-size:11px;color:#b6c2d2;margin-top:4px;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{font-size:14px;color:#dfe7f3;padding:10px 12px;border-radius:999px;white-space:nowrap}.nav-links a:hover,.nav-links a[aria-current="page"]{background:rgba(255,255,255,.08);color:#fff}
.nav-cta{padding:10px 16px;border-radius:999px;background:linear-gradient(135deg,var(--gold),#f0c56b);color:#101828;font-weight:750;font-size:14px;box-shadow:0 8px 24px rgba(215,154,43,.25)}
.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-dark);border-radius:12px;background:rgba(255,255,255,.05);color:#fff}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}.menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 74% 18%,rgba(62,199,211,.18),transparent 34%),radial-gradient(circle at 10% 8%,rgba(215,154,43,.18),transparent 35%),linear-gradient(135deg,#060d16 0%,#0d1928 48%,#07101b 100%);color:#fff}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(7,16,27,.25) 60%,#fff 100%);pointer-events:none}.hero--page::after{background:linear-gradient(180deg,transparent 0%,rgba(7,16,27,.20) 70%,#f7f9fc 100%)}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .92fr;gap:48px;align-items:center;padding:86px 0 72px}.hero--page .hero__grid{grid-template-columns:1fr;max-width:880px;padding:74px 0 70px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border:1px solid rgba(255,255,255,.17);border-radius:999px;color:#d8e5f6;background:rgba(255,255,255,.06);font-size:13px;font-weight:650;letter-spacing:.02em}.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(112,212,139,.15)}
h1{margin:22px 0 18px;font-size:clamp(40px,5.6vw,76px);line-height:.98;letter-spacing:-.055em;max-width:960px}.hero--page h1{font-size:clamp(38px,5vw,68px)}
.lead{font-size:clamp(18px,2.05vw,23px);color:#d5dfec;max-width:760px;line-height:1.45;margin:0}.hero--page .lead{max-width:820px}
.hero__actions,.section-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 19px;font-weight:780;border:1px solid transparent;transition:.18s ease;cursor:pointer}.btn--primary{background:linear-gradient(135deg,var(--gold),#f4ca76);color:#101828;box-shadow:0 16px 32px rgba(215,154,43,.22)}.btn--primary:hover{transform:translateY(-1px);box-shadow:0 20px 40px rgba(215,154,43,.28)}.btn--ghost{background:rgba(255,255,255,.075);color:#fff;border-color:rgba(255,255,255,.18)}.btn--ghost:hover{background:rgba(255,255,255,.12)}.btn--line{background:#fff;color:#182333;border-color:#cfd8e3}.btn--line:hover{border-color:#98a7b9;box-shadow:0 8px 22px rgba(12,25,44,.08)}
.hero__media{position:relative}.screen-card{border:1px solid rgba(255,255,255,.14);border-radius:28px;background:rgba(255,255,255,.075);box-shadow:var(--shadow-dark);padding:12px;backdrop-filter:blur(12px);transform:rotate(1deg)}.screen-card img{border-radius:20px;aspect-ratio:16/9;object-fit:cover;object-position:center}.screen-card__bar{display:flex;gap:6px;padding:2px 2px 10px}.screen-card__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}.floating-metric{position:absolute;right:20px;bottom:28px;background:rgba(8,15,25,.58);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:13px 15px;color:#fff;box-shadow:0 20px 55px rgba(0,0,0,.35);min-width:190px}.floating-metric b{display:block;color:#f3c875;font-size:22px;line-height:1}.floating-metric span{font-size:12px;color:#cbd5e1}.hero__chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.chip{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.07);color:#dfe7f3;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:700}
.section{padding:86px 0}.section--soft{background:var(--surface-2)}.section--dark{background:linear-gradient(135deg,#07101b 0%,#0e1a2a 100%);color:#fff}.section--dark .section-kicker,.section--dark .section-lead{color:#cbd5e1}.section--tight{padding:64px 0}
.section-header{max-width:790px;margin-bottom:34px}.section-kicker{color:var(--copper);font-weight:850;letter-spacing:.12em;text-transform:uppercase;font-size:12px;margin:0 0 12px}.section-title{font-size:clamp(30px,3.5vw,52px);letter-spacing:-.04em;line-height:1.05;margin:0 0 16px}.section-lead{font-size:18px;color:var(--muted);margin:0;max-width:860px}.center{text-align:center;margin-inline:auto}.center .section-lead{margin-inline:auto}
.grid{display:grid;gap:22px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 35px rgba(12,25,44,.05);padding:26px}.card--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);box-shadow:none;color:#fff}.card h3{margin:0 0 10px;font-size:21px;letter-spacing:-.02em}.card p{margin:0;color:var(--muted)}.card--dark p{color:#cbd5e1}.icon-pill{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(62,199,211,.13),rgba(215,154,43,.15));color:#0f766e;font-weight:900;margin-bottom:18px;border:1px solid rgba(62,199,211,.2)}
.feature-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}.feature-row--reverse{grid-template-columns:1.1fr .9fr}.feature-media{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}.feature-media img{width:100%;height:100%;object-fit:cover}.feature-copy ul,.check-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}.feature-copy li,.check-list li{position:relative;padding-left:28px}.feature-copy li::before,.check-list li::before{content:"";position:absolute;left:0;top:.47em;width:11px;height:11px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(62,199,211,.12)}
/* li{position:relative;padding-left:28px;color:#c9d0db} */

.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border-radius:26px;overflow:hidden;background:var(--line);border:1px solid var(--line);box-shadow:var(--shadow)}.stat{background:#fff;padding:26px}.stat b{display:block;font-size:32px;color:#101828;letter-spacing:-.04em}.stat span{color:var(--muted);font-size:14px}
.process{counter-reset:step}.step{position:relative;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line)}.step::before{counter-increment:step;content:counter(step, decimal-leading-zero);display:block;font-weight:900;color:var(--gold);font-size:13px;letter-spacing:.14em;margin-bottom:10px}.step h3{margin:0 0 8px}.step p{margin:0;color:var(--muted)}
.dashboard-showcase{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}.dashboard-main{border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow-dark);background:#101828}.dashboard-main img{height:100%;width:100%;object-fit:cover}.dashboard-side{display:grid;gap:22px}.mini-shot{border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05)}.mini-shot img{height:190px;width:100%;object-fit:contain;object-position:center;background:#08111f;padding:8px}.mini-shot div{padding:16px}.mini-shot h3{margin:0 0 5px;font-size:18px}.mini-shot p{margin:0;color:#cbd5e1;font-size:14px}
.cta{border-radius:34px;background:radial-gradient(circle at 80% 0%,rgba(62,199,211,.24),transparent 32%),linear-gradient(135deg,#07101b,#13283d);color:#fff;padding:48px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;box-shadow:var(--shadow-dark)}.cta h2{margin:0 0 10px;font-size:clamp(28px,3.2vw,44px);line-height:1.05;letter-spacing:-.04em}.cta p{margin:0;color:#d2dce9;max-width:760px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:grid;gap:7px}.field--full{grid-column:1/-1}.field label{font-weight:750;font-size:14px;color:#243246}.field input,.field select,.field textarea{width:100%;border:1px solid #cfd8e3;border-radius:14px;padding:12px 13px;background:#fff;color:#101828}.field textarea{min-height:150px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(62,199,211,.18);border-color:#3ec7d3}.honeypot{position:absolute;left:-9999px}.form-note{font-size:13px;color:var(--muted);margin:12px 0 0}.form-status{margin-top:14px;font-weight:750}.form-status[data-state="ok"]{color:#147a35}.form-status[data-state="error"]{color:#b42318}
.site-footer{background:#06101a;color:#d9e4f0;padding:56px 0 28px}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:34px}.footer-brand p{color:#aebdce;max-width:380px}.footer-title{font-size:13px;text-transform:uppercase;letter-spacing:.13em;color:#fff;font-weight:850;margin-bottom:12px}.footer-links{display:grid;gap:9px}.footer-links a{color:#aebdce;font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8fa2b7;font-size:13px}
.breadcrumb{color:#8fa2b7;font-size:14px;margin-bottom:20px}.breadcrumb a{color:#cbd5e1}.text-page{max-width:900px}.text-page h2{font-size:32px;letter-spacing:-.03em;margin-top:44px}.text-page p,.text-page li{color:#475467}.text-page ul{padding-left:22px}.quote{border-left:4px solid var(--gold);padding:18px 22px;background:#fff8ec;border-radius:0 18px 18px 0;color:#263344;font-weight:650}.tag-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.tag{padding:8px 11px;border-radius:999px;background:#ecf5f6;color:#0f5960;font-weight:750;font-size:13px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}.reveal.is-visible{opacity:1;transform:none}
@media (max-width:1040px){.nav-links,.nav-cta{display:none}.menu-toggle{display:flex}.nav-links.is-open{position:absolute;display:grid;left:20px;right:20px;top:84px;background:#0a1422;border:1px solid var(--line-dark);border-radius:22px;padding:12px;box-shadow:var(--shadow-dark)}.nav-links.is-open a{padding:13px 14px}.hero__grid,.feature-row,.feature-row--reverse,.dashboard-showcase,.cta{grid-template-columns:1fr}.hero__grid{padding:66px 0 64px}.floating-metric{right:21px}.grid--4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.stats-band{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.container{width:min(100% - 28px,var(--container))}.navbar{height:68px}.brand__text span{display:none}h1{font-size:40px}.section{padding:62px 0}.grid--2,.grid--3,.grid--4,.form-grid{grid-template-columns:1fr}.stats-band{grid-template-columns:1fr}.cta{padding:30px}.footer-grid{grid-template-columns:1fr}.hero__actions,.section-actions{flex-direction:column}.btn{width:100%}.screen-card{transform:none}.floating-metric{position:static;margin-top:14px}.hero__chips{display:none}}

/* R1-E: hero SCADA en primer plano y botón flotante de regreso */
.hero--scada{
  background:
    linear-gradient(90deg,rgba(6,13,22,.94) 0%,rgba(6,13,22,.78) 42%,rgba(6,13,22,.48) 100%),
    radial-gradient(circle at 74% 18%,rgba(62,199,211,.20),transparent 34%),
    url('../img/hero/scada-control-room.jpeg') center/cover no-repeat,
    linear-gradient(135deg,#060d16 0%,#0d1928 48%,#07101b 100%);
}
.hero--scada .screen-card{
  background:rgba(7,16,27,.58);
  border-color:rgba(255,255,255,.22);
}
.hero--scada .screen-card img{
  object-position:center;
  filter:saturate(1.05) contrast(1.04);
}
.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:980;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(7,16,27,.88);
  color:#fff;
  box-shadow:0 14px 36px rgba(0,0,0,.26);
  backdrop-filter:blur(14px);
  font-size:13px;
  font-weight:850;
  letter-spacing:.01em;
  opacity:.96;
  transform:translateY(0);
  transition:opacity .18s ease, transform .18s ease, background .18s ease;
}
.back-to-top span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--gold),#f4ca76);
  color:#101828;
  font-size:16px;
  line-height:1;
}
.back-to-top:hover{
  background:rgba(7,16,27,.96);
  transform:translateY(-2px);
}
@media (max-width:720px){
  .back-to-top{right:14px;bottom:14px;padding:10px 11px}
  .back-to-top strong{display:none}
}

/* R1-H: mensajes visibles en hero sobre core metalúrgico y recurso hídrico */
.hero__proof{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px;max-width:760px}
.hero__proof div{border:1px solid rgba(255,255,255,.15);background:rgba(6,13,22,.38);border-radius:18px;padding:13px 14px;backdrop-filter:blur(8px)}
.hero__proof strong{display:block;color:#f3c875;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:3px}
.hero__proof span{display:block;color:#d8e2ee;font-size:13px;line-height:1.35}
@media (max-width:720px){.hero__proof{grid-template-columns:1fr}}

/* R1-I: stronger first-screen proof block and safer dashboard thumbnails */
.hero__proof--primary {
  margin-top: 18px;
  margin-bottom: 18px;
}
.hero__proof--primary div {
  background: rgba(6, 13, 22, .62);
  border-color: rgba(243, 200, 117, .28);
}
.hero__proof--primary strong {
  color: #f3c875;
}
.mini-shot img {
  object-fit: contain !important;
  object-position: center center !important;
  background: #08111f !important;
}
@media (min-width: 900px) {
  .hero__proof--primary span {
    font-size: 13.5px;
  }
}

/* R1-J: legal/contact consent controls */
.field--checkbox{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-weight:500!important;color:#405064!important;line-height:1.45}
.check-row input{width:auto!important;margin-top:3px;accent-color:#d79a2b}
.check-row a{font-weight:760;color:#0f5f72;text-decoration:underline;text-underline-offset:3px}


/* R1-K: bilingual language selector */
.lang-switch{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:4px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  margin-left:10px;
}
.lang-switch a{
  min-width:34px;
  height:30px;
  padding:0 10px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#cbd5e1;
  font-size:12px;
  font-weight:900;
  letter-spacing:.05em;
}
.lang-switch a:hover{color:#fff;background:rgba(255,255,255,.08)}
.lang-switch a.is-active{background:linear-gradient(135deg,var(--gold),#f4ca76);color:#101828}
@media (max-width:1040px){
  .lang-switch{margin-left:auto;margin-right:10px}
}
@media (max-width:520px){
  .lang-switch a{min-width:30px;height:28px;padding:0 8px;font-size:11px}
  .brand__text strong{font-size:14px}
}

/* R1-L: compatibility styling for English subpage heroes generated with .page-hero */
.page-hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 74% 18%,rgba(62,199,211,.18),transparent 34%),
    radial-gradient(circle at 10% 8%,rgba(215,154,43,.18),transparent 35%),
    linear-gradient(135deg,#060d16 0%,#0d1928 48%,#07101b 100%);
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 0%,rgba(7,16,27,.20) 70%,#f7f9fc 100%);
  pointer-events:none;
}
.page-hero > .container{
  position:relative;
  z-index:1;
  max-width:880px;
  padding:74px 0 70px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(38px,5vw,68px);
  margin:22px 0 18px;
  line-height:.98;
  letter-spacing:-.055em;
  max-width:960px;
}
.page-hero .lead{
  color:#d5dfec;
  max-width:820px;
}
.page-hero .breadcrumb{
  color:#8fa2b7;
}
.page-hero .breadcrumb a{
  color:#cbd5e1;
}