/* =========================================================
   ENERTRIA — Hoja de estilos principal
   Paleta:  navy #15324a · verde #34b14a · teal #1f9ea1
   ========================================================= */

:root{
  --navy:#15324a;
  --navy-700:#0f2638;
  --navy-50:#eef3f7;
  --green:#34b14a;
  --green-600:#2a9b3f;
  --teal:#1f9ea1;
  --teal-600:#178285;
  --ink:#1d2b36;
  --muted:#5b6b78;
  --line:#e3e9ee;
  --bg:#ffffff;
  --bg-soft:#f5f8fa;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(21,50,74,.06);
  --shadow:0 14px 40px rgba(21,50,74,.10);
  --max:1180px;
  --grad:linear-gradient(135deg,#34b14a 0%,#1f9ea1 100%);
  --grad-navy:linear-gradient(135deg,#15324a 0%,#0f2638 100%);
  --font:'Poppins','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{color:var(--navy);line-height:1.18;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h3{font-size:1.25rem}
p{color:var(--muted)}
section{padding:84px 0}

/* ---------- Utilities ---------- */
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);margin-bottom:14px;
}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.12rem;color:var(--muted);margin-top:14px}
.bg-soft{background:var(--bg-soft)}

.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.97rem;
  padding:14px 26px;border-radius:999px;transition:.22s ease;cursor:pointer;border:0;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(31,158,161,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(31,158,161,.36)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{transform:translateY(-2px)}
.arrow{transition:transform .22s}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand img{height:38px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-weight:500;font-size:.96rem;color:var(--navy);position:relative;padding:6px 0}
.nav-links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);transition:width .25s;
}
.nav-links a:not(.btn):hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--teal)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:30px;height:24px;position:relative}
.nav-toggle span{position:absolute;left:0;height:2.5px;width:100%;background:var(--navy);border-radius:2px;transition:.3s}
.nav-toggle span:nth-child(1){top:0}
.nav-toggle span:nth-child(2){top:50%;transform:translateY(-50%)}
.nav-toggle span:nth-child(3){bottom:0}
.nav-toggle.open span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){bottom:auto;top:50%;transform:translateY(-50%) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-navy);color:#fff;overflow:hidden;padding:96px 0 104px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 85% 0%,rgba(52,177,74,.28),transparent 60%),
             radial-gradient(700px 420px at 100% 100%,rgba(31,158,161,.30),transparent 60%);
}
.hero .container{position:relative;z-index:1;max-width:880px}
.hero h1{color:#fff;margin-bottom:20px}
.hero p.lead{color:rgba(255,255,255,.82);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 36px}
.tag{padding:9px 20px;border-radius:999px;font-weight:600;font-size:.9rem;color:#fff}
.tag.industria{background:var(--navy);border:1.5px solid rgba(255,255,255,.35)}
.tag.energia{background:var(--green)}
.tag.ia{background:var(--teal)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* diagonal slashes decoration */
.slashes{position:absolute;right:-40px;top:0;height:100%;width:46%;z-index:0;opacity:.9;display:flex;flex-direction:column;justify-content:center;gap:18px}
.slashes span{height:64px;border-radius:8px;transform:skewX(-18deg)}
@media(max-width:900px){.slashes{display:none}}

/* ---------- Units grid ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.unit-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  box-shadow:var(--shadow-sm);transition:.25s ease;position:relative;overflow:hidden;
}
.unit-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:5px}
.unit-card.u-industria::before{background:var(--navy)}
.unit-card.u-energia::before{background:var(--green)}
.unit-card.u-ia::before{background:var(--teal)}
.unit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.unit-ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;color:#fff}
.u-industria .unit-ico{background:var(--navy)}
.u-energia .unit-ico{background:var(--green)}
.u-ia .unit-ico{background:var(--teal)}
.unit-ico svg{width:28px;height:28px}
.unit-tag{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.unit-card h3{margin:6px 0 12px}
.unit-card .more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-weight:600;color:var(--teal)}

/* ---------- Feature / why list ---------- */
.feature{display:flex;gap:18px;align-items:flex-start}
.feature .fi{flex:0 0 auto;width:48px;height:48px;border-radius:12px;background:var(--navy-50);display:grid;place-items:center;color:var(--teal)}
.feature .fi svg{width:24px;height:24px}
.feature h3{font-size:1.1rem;margin-bottom:4px}
.feature p{font-size:.97rem}

/* ---------- Service list (unit pages) ---------- */
.svc{display:flex;gap:18px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.22s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.svc .num{font-weight:700;font-size:1.3rem;color:var(--teal);flex:0 0 auto;line-height:1.4}
.svc h3{font-size:1.08rem;margin-bottom:6px}
.svc p{font-size:.96rem}

/* ---------- Page hero (interior) ---------- */
.page-hero{background:var(--grad-navy);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% 10%,rgba(52,177,74,.25),transparent 60%)}
.page-hero .container{position:relative;z-index:1;max-width:820px}
.page-hero h1{color:#fff;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.82);font-size:1.1rem}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:18px}
.breadcrumb a:hover{color:#fff}
.pill{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.pill.industria{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3)}
.pill.energia{background:var(--green)}
.pill.ia{background:var(--teal)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat .n{font-size:2.6rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat .l{color:var(--muted);font-size:.95rem;margin-top:8px}

/* ---------- CTA band ---------- */
.cta{background:var(--grad);color:#fff;border-radius:24px;padding:56px;text-align:center}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.9);max-width:560px;margin:14px auto 26px}

/* ---------- Values / chips ---------- */
.value{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow-sm)}
.value h3{font-size:1.05rem;margin-bottom:6px}
.value p{font-size:.93rem}
.value .vk{width:40px;height:40px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:700;margin-bottom:14px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-size:.9rem;font-weight:600;color:var(--navy);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-family:inherit;
  font-size:.97rem;color:var(--ink);background:#fff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(31,158,161,.12)}
.field textarea{resize:vertical;min-height:130px}
.contact-info{background:var(--grad-navy);color:#fff;border-radius:var(--radius);padding:38px}
.contact-info h3{color:#fff;margin-bottom:22px}
.ci{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.ci .ci-ic{width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.12);display:grid;place-items:center;flex:0 0 auto}
.ci .ci-ic svg{width:20px;height:20px;color:#fff}
.ci small{color:rgba(255,255,255,.6);display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.ci span{color:#fff;font-weight:500}
.form-note{font-size:.82rem;color:var(--muted);margin-top:6px}
.form-msg{display:none;padding:14px 18px;border-radius:11px;background:#e7f6ea;color:#1d6e2f;font-weight:500;margin-bottom:18px}

/* ---------- Logos / partners ---------- */
.refs{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ref{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:24px 26px;box-shadow:var(--shadow-sm)}
.ref h3{font-size:1.05rem;margin-bottom:6px}
.ref p{font-size:.94rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-700);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:42px}
.site-footer img{height:34px;margin-bottom:16px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em}
.site-footer a{color:rgba(255,255,255,.72);font-size:.93rem;display:block;padding:5px 0;transition:.2s}
.site-footer a:hover{color:#fff;padding-left:4px}
.site-footer .desc{font-size:.93rem;max-width:300px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.86rem}
.novargi{font-size:.82rem;opacity:.85;margin-top:10px}
.novargi-link{color:#54d36a;font-weight:600;border-bottom:1px solid transparent;transition:.2s}
.novargi-link:hover{border-bottom-color:#54d36a}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  section{padding:60px 0}
  .grid-2,.grid-3,.grid-4,.stats,.refs{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta{padding:38px 24px}
  .nav-links{
    position:fixed;top:74px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-130%);transition:transform .3s ease;align-items:stretch;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links a.btn{margin-top:14px;justify-content:center;border:0}
  .nav-toggle{display:block}
}