/* ============================================================
   ByP INELG — Electricidad en Baja y Media Tensión
   Sistema de diseño
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  /* Color */
  --navy-950:#0A111C;
  --navy-900:#0D1626;
  --navy-800:#111E33;
  --navy-700:#182B47;
  --ink:#141C28;
  --muted:#5C6779;
  --muted-soft:#8994A3;
  --paper:#FFFFFF;
  --paper-alt:#F4F6FA;
  --paper-alt-2:#ECEFF5;
  --line:#E2E7EF;
  --line-dark:#243450;
  --amber:#FFC53D;
  --amber-deep:#FF9A1F;
  --amber-pale:#FFE9B8;

  /* Type */
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  /* Layout */
  --maxw:1180px;
  --radius:10px;
  --radius-lg:18px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; line-height:1.12; letter-spacing:-0.01em; color:var(--navy-900); }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{ outline:2.5px solid var(--amber-deep); outline-offset:3px; border-radius:4px; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber-deep);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-weight:500;
}
.eyebrow::before{
  content:'';
  width:22px; height:2px;
  background:var(--amber-deep);
  display:inline-block;
}

.section{ padding:88px 0; }
.section-alt{ background:var(--paper-alt); }
.section-navy{ background:var(--navy-950); color:#fff; }
@media (max-width:720px){ .section{ padding:60px 0; } }

.section-head{ max-width:640px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(28px,3.6vw,40px); }
.section-head .lede{ margin-top:14px; color:var(--muted); font-size:17px; }
.section-navy .section-head .lede{ color:#AEB9CC; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:14px 26px;
  border-radius:9px;
  font-weight:600; font-size:15px;
  border:1.5px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-amber{
  background:linear-gradient(180deg,#FFD469 0%, var(--amber) 45%, var(--amber-deep) 100%);
  color:var(--navy-950);
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset, 0 10px 22px -10px rgba(255,154,31,.55);
}
.btn-amber:hover{ transform:translateY(-2px); box-shadow:0 1px 0 rgba(255,255,255,.5) inset, 0 14px 26px -10px rgba(255,154,31,.7); }
.btn-outline{
  border-color:var(--line-dark);
  color:var(--navy-900);
  background:transparent;
}
.section-navy .btn-outline, .navy-surface .btn-outline{ border-color:rgba(255,255,255,.28); color:#fff; }
.btn-outline:hover{ border-color:var(--amber-deep); color:var(--amber-deep); }
.btn-ghost-light{ color:#fff; border-color:rgba(255,255,255,.3); }
.btn-ghost-light:hover{ border-color:var(--amber); color:var(--amber); }
.btn-sm{ padding:10px 18px; font-size:13.5px; }
.btn-block{ width:100%; }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
}
/* Nota: se evita backdrop-filter aquí a propósito — crea un containing block
   para descendientes position:fixed y rompe el panel del menú móvil (.nav-links). */
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width:44px; height:44px; border-radius:10px;
  background:var(--navy-900);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  flex-shrink:0;
}
.brand-mark img{ width:100%; height:100%; object-fit:cover; transform:scale(1.55); }
.brand-word{ font-family:var(--font-display); font-weight:700; font-size:18px; color:var(--navy-950); line-height:1.05; }
.brand-word span{ color:var(--amber-deep); }
.brand-sub{ font-family:var(--font-mono); font-size:10px; letter-spacing:.1em; color:var(--muted); text-transform:uppercase; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--navy-800);
  position:relative; padding:6px 0;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--amber-deep); transition:width .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-links a.active{ color:var(--navy-950); font-weight:600; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-phone{ display:flex; align-items:center; gap:8px; font-size:14px; font-weight:600; color:var(--navy-900); }
.nav-phone svg{ flex-shrink:0; }

.nav-toggle{
  display:none; background:none; border:none; padding:0; width:40px; height:40px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{
  content:''; display:block; width:22px; height:2px; background:var(--navy-950);
  transition:transform .25s ease, opacity .25s ease;
}

@media (max-width:900px){
  .nav-links{
    position:fixed; top:73px; left:0; right:0; bottom:0; z-index:250;
    background:#fff; flex-direction:column; align-items:flex-start;
    padding:30px 28px; gap:6px; transform:translateX(100%);
    transition:transform .3s ease; overflow-y:auto;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ width:100%; padding:14px 0; border-bottom:1px solid var(--line); font-size:17px; }
  .nav-phone-mobile{ margin-top:20px; }
  .nav-cta .nav-phone{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============================================================
   Hero + Circuit signature
   ============================================================ */
.hero{
  position:relative;
  background:var(--navy-950);
  color:#fff;
  overflow:hidden;
  padding:100px 0 0;
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center;
  padding-bottom:70px;
}
.hero-badge{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--amber); background:rgba(255,197,61,.1); border:1px solid rgba(255,197,61,.35);
  padding:7px 14px; border-radius:100px; margin-bottom:24px;
}
.hero-badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 8px 2px rgba(255,197,61,.7); }
.hero h1{
  font-size:clamp(36px,4.6vw,58px); color:#fff; font-weight:700;
}
.hero h1 em{ font-style:normal; color:var(--amber); }
.hero .lede{ margin-top:22px; font-size:18px; color:#B7C1D3; max-width:520px; }
.hero-actions{ display:flex; gap:16px; margin-top:36px; flex-wrap:wrap; }
.hero-stats{
  display:flex; gap:34px; margin-top:56px; padding-top:30px; border-top:1px solid rgba(255,255,255,.12);
  flex-wrap:wrap;
}
.hero-stat b{ display:block; font-family:var(--font-display); font-size:30px; color:#fff; }
.hero-stat span{ font-size:13px; color:#8FA0BC; }

.hero-visual{ position:relative; z-index:2; }
.circuit-bg{ position:absolute; inset:0; z-index:1; opacity:.55; pointer-events:none; }

.trace-path{
  fill:none; stroke:rgba(255,197,61,.55); stroke-width:2;
  stroke-dasharray:8 480; stroke-dashoffset:0;
  animation:trace-run 5.5s linear infinite;
}
.trace-path.slow{ animation-duration:8s; stroke:rgba(255,197,61,.3); }
@keyframes trace-run{ to{ stroke-dashoffset:-488; } }
@media (prefers-reduced-motion:reduce){ .trace-path{ animation:none; } }

.hero-bottom-fade{ height:56px; background:linear-gradient(180deg, transparent, var(--paper)); }

/* ============================================================
   Trust / Logos strip
   ============================================================ */
.trust-strip{
  padding:22px 0; border-bottom:1px solid var(--line); background:var(--paper-alt);
}
.trust-strip .wrap{ display:flex; align-items:center; gap:16px; flex-wrap:wrap; justify-content:center; }
.trust-item{ display:flex; align-items:center; gap:9px; font-size:13.5px; color:var(--muted); font-weight:500; }
.trust-item svg{ flex-shrink:0; color:var(--amber-deep); }

/* ============================================================
   Cards: Services
   ============================================================ */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:900px){ .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }

.service-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:30px 26px; transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display:flex; flex-direction:column; gap:14px; height:100%;
}
.service-card:hover{ transform:translateY(-4px); box-shadow:0 20px 40px -22px rgba(17,30,51,.25); border-color:transparent; }
.service-icon{
  width:50px; height:50px; border-radius:12px;
  background:var(--navy-950);
  display:flex; align-items:center; justify-content:center; color:var(--amber);
  flex-shrink:0;
}
.service-card h3{ font-size:18.5px; }
.service-card p{ color:var(--muted); font-size:14.5px; }
.service-tag{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.06em; color:var(--amber-deep);
  background:var(--amber-pale); display:inline-block; padding:3px 9px; border-radius:5px; width:fit-content;
  margin-bottom:2px;
}
.service-list{ margin-top:4px; display:flex; flex-direction:column; gap:9px; }
.service-list li{ display:flex; gap:10px; font-size:14.5px; color:var(--navy-800); align-items:flex-start; }
.service-list li svg{ flex-shrink:0; margin-top:3px; color:var(--amber-deep); }

/* ============================================================
   Divider trace
   ============================================================ */
.trace-divider{ padding:6px 0; }
.trace-divider svg{ width:100%; display:block; color:var(--line); }

/* ============================================================
   Split (image/text) sections
   ============================================================ */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; gap:36px; } }
.split-reverse .split-media{ order:2; }
.split-media{ position:relative; }
.media-frame{
  border-radius:var(--radius-lg); overflow:hidden; background:var(--navy-900);
  aspect-ratio:4/3.1; position:relative;
}
.check-list{ display:flex; flex-direction:column; gap:16px; margin-top:28px; }
.check-item{ display:flex; gap:14px; align-items:flex-start; }
.check-icon{
  width:30px; height:30px; border-radius:8px; background:var(--amber-pale); color:var(--amber-deep);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.check-item h4{ font-size:15.5px; margin-bottom:3px; }
.check-item p{ font-size:14px; color:var(--muted); }

/* ============================================================
   Values / stat cards
   ============================================================ */
.value-card{
  padding:26px; border-radius:var(--radius-lg); background:var(--paper-alt);
  border:1px solid var(--line);
}
.value-card .service-icon{ background:#fff; border:1px solid var(--line); color:var(--amber-deep); margin-bottom:16px; }
.value-card h3{ font-size:17px; margin-bottom:8px; }
.value-card p{ font-size:14px; color:var(--muted); }

/* ============================================================
   CTA banner
   ============================================================ */
.cta-banner{
  background:var(--navy-950); border-radius:24px; padding:56px; position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-banner h2{ color:#fff; font-size:clamp(24px,3vw,32px); max-width:520px; }
.cta-banner p{ color:#AEB9CC; margin-top:10px; }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ background:var(--navy-950); color:#C4CDDC; position:relative; overflow:hidden; }
.footer-top{ padding:70px 0 40px; position:relative; z-index:2; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-brand .brand-word{ color:#fff; font-size:20px; }
.footer-brand p{ margin-top:14px; font-size:14px; color:#93A0B7; max-width:280px; }
.footer-social{ display:flex; gap:10px; margin-top:20px; }
.footer-social a{
  width:38px; height:38px; border-radius:9px; border:1px solid rgba(255,255,255,.15);
  display:flex; align-items:center; justify-content:center; transition:border-color .2s ease, color .2s ease;
}
.footer-social a:hover{ border-color:var(--amber); color:var(--amber); }
.footer-col h4{ color:#fff; font-size:13px; letter-spacing:.08em; text-transform:uppercase; font-family:var(--font-mono); font-weight:500; margin-bottom:18px; }
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:14.5px; color:#AEB9CC; transition:color .2s ease; }
.footer-col a:hover{ color:var(--amber); }
.footer-contact-item{ display:flex; gap:10px; align-items:flex-start; font-size:14.5px; color:#AEB9CC; }
.footer-contact-item svg{ flex-shrink:0; margin-top:3px; color:var(--amber); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1); padding:22px 0; position:relative; z-index:2;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:13px; color:#7C8AA3;
}
.footer-circuit{ position:absolute; inset:0; opacity:.5; pointer-events:none; }

/* ============================================================
   WhatsApp float
   ============================================================ */
.wa-float{
  position:fixed; bottom:24px; right:24px; z-index:300;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 28px -8px rgba(37,211,102,.65);
  transition:transform .2s ease;
}
.wa-float:hover{ transform:scale(1.08); }

/* ============================================================
   Page header (inner pages)
   ============================================================ */
.page-hero{
  background:var(--navy-950); color:#fff; padding:150px 0 70px; position:relative; overflow:hidden;
}
.page-hero .eyebrow{ color:var(--amber); }
.page-hero .eyebrow::before{ background:var(--amber); }
.page-hero h1{ color:#fff; font-size:clamp(32px,4.4vw,48px); max-width:760px; }
.page-hero p.lede{ color:#B7C1D3; margin-top:16px; max-width:600px; font-size:17px; }
.breadcrumb{ font-family:var(--font-mono); font-size:12px; color:#8FA0BC; margin-bottom:20px; letter-spacing:.04em; }
.breadcrumb a{ color:#8FA0BC; }
.breadcrumb a:hover{ color:var(--amber); }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:50px; align-items:start; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:28px;
  display:flex; gap:16px; align-items:flex-start; margin-bottom:16px;
}
.contact-card .service-icon{ background:var(--navy-950); color:var(--amber); }
.contact-card h3{ font-size:16.5px; margin-bottom:4px; }
.contact-card p, .contact-card a{ font-size:14.5px; color:var(--muted); }
.contact-card a:hover{ color:var(--amber-deep); }

.form-panel{ background:var(--navy-950); border-radius:var(--radius-lg); padding:40px; color:#fff; }
.form-panel h2{ color:#fff; font-size:24px; margin-bottom:8px; }
.form-panel p.lede{ color:#AEB9CC; margin-bottom:28px; font-size:14.5px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field label{ display:block; font-size:13px; color:#AEB9CC; margin-bottom:7px; font-weight:500; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 14px; border-radius:9px; border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05); color:#fff; font-family:inherit; font-size:14.5px;
}
.field input::placeholder, .field textarea::placeholder{ color:#6E7B92; }
.field textarea{ resize:vertical; min-height:110px; }
.field{ margin-bottom:16px; }
.form-note{ font-size:12.5px; color:#7C8AA3; margin-top:14px; }

.map-frame{ border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--line); margin-top:20px; height:280px; }
.map-frame iframe{ width:100%; height:100%; border:0; }

/* Reveal on scroll — solo se oculta si JS está activo (progressive enhancement) */
.js .reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.js .reveal.in{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion:reduce){ .js .reveal{ opacity:1; transform:none; transition:none; } }

@media (max-width:640px){
  .cta-banner{ padding:34px; flex-direction:column; align-items:flex-start; }
  .footer-bottom{ flex-direction:column; }
  .hero{ padding-top:88px; }
}