/* ============================================================
   STECNER — Representaciones industriales
   Sistema de diseño (v1) — moderno, industrial, SEO-friendly
   ============================================================ */

:root{
  --navy:#0B1B31; --navy2:#0F2947; --navy3:#13345c;
  --blue:#2563EB; --blue-d:#1D4ED8; --cyan:#06B6D4; --amber:#F59E0B;
  --ink:#0E1726; --slate:#43546B; --muted:#6B7A90; --line:#E5EAF1;
  --bg:#FFFFFF; --soft:#F5F8FC; --soft2:#EDF2F9; --white:#fff;
  --radius:16px; --radius-sm:10px; --shadow:0 10px 30px -12px rgba(11,27,49,.22);
  --shadow-sm:0 4px 14px -8px rgba(11,27,49,.25);
  --maxw:1180px; --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:"Space Grotesk","Inter",sans-serif;line-height:1.12;font-weight:700;letter-spacing:-.02em;color:var(--navy)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px}
section{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"Space Grotesk",sans-serif;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:2px}
.section-head{max-width:660px;margin-bottom:52px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin:14px 0 14px}
.section-head p{color:var(--slate);font-size:1.06rem}
.center{text-align:center;margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:"Space Grotesk",sans-serif;
  font-weight:600;font-size:.98rem;padding:13px 22px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 10px 24px -10px rgba(37,99,235,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(37,99,235,.75)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{border-color:var(--line);color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 22px -18px rgba(11,27,49,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{font-weight:500;color:var(--slate);padding:9px 14px;border-radius:8px;transition:.18s}
.nav-links a:hover,.nav-links a.active{color:var(--navy);background:var(--soft2)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.25s}
.lang{display:flex;align-items:center;gap:4px;font-family:"Space Grotesk",sans-serif;font-size:.82rem;font-weight:600;margin-right:4px}
.lang a{color:var(--muted);padding:5px 8px;border-radius:7px;transition:.18s}
.lang a.active{color:var(--navy);background:var(--soft2)}
.lang a:hover{color:var(--navy)}
.lang i{color:var(--line);font-style:normal}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 78% -10%,rgba(6,182,212,.22),transparent 60%),
  linear-gradient(160deg,var(--navy) 0%,var(--navy2) 55%,#0c2140 100%);color:#fff;padding:96px 0 104px}
.hero::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(700px 500px at 80% 0,#000,transparent 75%);pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.7rem);margin:18px 0 20px}
.hero h1 .grad{background:linear-gradient(90deg,#7dd3fc,#38bdf8,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#c6d4e6;font-size:1.14rem;max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-eyebrow{color:#7dd3fc}
.hero-eyebrow::before{background:linear-gradient(90deg,#7dd3fc,#22d3ee)}
.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero-stats .num{font-family:"Space Grotesk";font-size:1.9rem;font-weight:700;color:#fff}
.hero-stats .lbl{font-size:.85rem;color:#9fb2ca}
.hero-art{position:relative}

/* ---------- Trust bar ---------- */
.trust{background:var(--navy2);color:#9fb2ca;padding:20px 0}
.trust .container{display:flex;align-items:center;justify-content:center;gap:14px 40px;flex-wrap:wrap;text-align:center}
.trust span{font-family:"Space Grotesk";font-size:.82rem;letter-spacing:.12em;text-transform:uppercase}

/* ---------- Feature cards ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.12))}
.card .ico svg{width:30px;height:30px}
.card h3{font-size:1.22rem;margin-bottom:9px}
.card p{color:var(--slate);font-size:.98rem}

/* ---------- Industry cards (con gráfico) ---------- */
.ind-card{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:.28s var(--ease)}
.ind-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.ind-card .art{height:150px;display:grid;place-items:center;position:relative}
.ind-card .art svg{width:100%;height:100%}
.ind-card .body{padding:24px 26px 28px}
.ind-card h3{font-size:1.24rem;margin-bottom:8px}
.ind-card p{color:var(--slate);font-size:.96rem;margin-bottom:14px}
.tag-list{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:.78rem;font-weight:600;font-family:"Space Grotesk";color:var(--navy3);background:var(--soft2);
  padding:5px 11px;border-radius:999px}

/* ---------- Split / about ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.soft-bg{background:var(--soft)}
.checklist{list-style:none;margin-top:22px;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--slate)}
.checklist li b{color:var(--navy)}
.check{flex:0 0 auto;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));margin-top:2px}
.check svg{width:14px;height:14px;stroke:#fff;stroke-width:3;fill:none}

/* ---------- Steps ---------- */
.steps{counter-reset:s;display:grid;gap:22px}
.step{display:flex;gap:20px;align-items:flex-start;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step .n{counter-increment:s;flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-family:"Space Grotesk";font-weight:700;color:#fff;background:linear-gradient(135deg,var(--navy2),var(--navy3))}
.step .n::before{content:counter(s,decimal-leading-zero)}
.step h3{font-size:1.12rem;margin-bottom:5px}
.step p{color:var(--slate);font-size:.96rem}

/* ---------- CTA band ---------- */
.cta{background:linear-gradient(135deg,var(--navy),var(--navy3));color:#fff;border-radius:26px;padding:56px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.35),transparent 70%)}
.cta h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem)}
.cta p{color:#c6d4e6;margin-top:10px}
.cta .actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.info-item{display:flex;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
.info-item .ico{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.12))}
.info-item .ico svg{width:22px;height:22px}
.info-item .lbl{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.info-item a,.info-item span{color:var(--navy);font-weight:500}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.86rem;font-weight:600;color:var(--navy);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font:inherit;color:var(--ink);background:#fff;transition:.18s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:.82rem;color:var(--muted);margin-top:6px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#a9bad0;padding:64px 0 30px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-size:.92rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px;font-family:"Space Grotesk"}
.site-footer a{color:#a9bad0;display:block;padding:5px 0;transition:.18s}
.site-footer a:hover{color:#fff}
.site-footer .logo{height:34px;margin-bottom:16px}
.footer-desc{font-size:.94rem;max-width:280px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;
  justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#7d90aa}
.badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#c6d4e6;padding:5px 12px;border-radius:999px;font-size:.8rem;font-family:"Space Grotesk"}

/* ---------- Page hero (interior) ---------- */
.page-hero{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;padding:66px 0 60px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(600px 400px at 90% 0,#000,transparent 75%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3rem);margin:14px 0 12px}
.page-hero p{color:#c6d4e6;max-width:620px;font-size:1.08rem}
.crumbs{font-size:.85rem;color:#8fa3bd}
.crumbs a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero .container,.split,.contact-grid,.cta{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cta{padding:40px;text-align:center}
  .cta .actions{justify-content:center}
  .hero-art{order:-1;max-width:440px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:64px 0}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 22px 20px;gap:2px;box-shadow:var(--shadow)}
  .nav-links.open a{padding:13px 12px}
  .hero-stats{gap:22px}
}
/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
/* WhatsApp flotante */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 10px 26px -8px rgba(37,211,102,.7);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.wa-float:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 30px -8px rgba(37,211,102,.85)}
.wa-float svg{width:32px;height:32px;fill:#fff}
@media(max-width:640px){.wa-float{width:52px;height:52px;right:16px;bottom:16px}.wa-float svg{width:28px;height:28px}}