/* ==========================================================================
   FPV INGENERGY S.A.S. — Design tokens
   ========================================================================== */
:root{
  --petrol-950:#0A2E2B;
  --petrol-900:#0E4B47;
  --petrol-700:#136058;
  --teal-500:#17A398;
  --teal-300:#6FC9BE;
  --amber-500:#F2A93B;
  --amber-600:#DE8F1C;
  --sand-100:#F6F3EC;
  --sand-50:#FBFAF6;
  --ink-900:#1C2521;
  --ink-600:#48534E;
  --line:#D9D2C2;
  --line-strong:#B9C6C2;

  --font-display:'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 4px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand-100);
  color:var(--ink-900);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
  color:var(--petrol-950);
}
p{margin:0 0 1em;}
ul{margin:0;padding:0;}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
section{padding:88px 0;}
@media (max-width:768px){ section{padding:56px 0;} }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal-500);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--amber-500);
  display:inline-block;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.04em;
  padding:14px 26px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--amber-500);color:var(--petrol-950);}
.btn-primary:hover{background:var(--amber-600);}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{border-color:#fff;}
.btn-outline{border-color:var(--petrol-900);color:var(--petrol-900);}
.btn-outline:hover{background:var(--petrol-900);color:#fff;}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--petrol-950);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{height:46px;width:auto;display:block;}

.main-nav{display:flex;align-items:center;gap:36px;}
.main-nav ul{display:flex;gap:28px;list-style:none;}
.main-nav a{
  font-family:var(--font-mono);
  font-size:.8rem;letter-spacing:.05em;
  color:rgba(255,255,255,.72);
  padding:6px 0;border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:#fff;border-color:var(--amber-500);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;}

@media (max-width:860px){
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;inset:76px 0 0 0;
    background:var(--petrol-950);
    flex-direction:column;align-items:flex-start;
    padding:32px 24px;gap:24px;
    transform:translateX(100%);
    transition:transform .25s ease;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;gap:18px;}
  .main-nav .btn{margin-top:8px;}
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  background:var(--petrol-950);
  color:#fff;
  overflow:hidden;
  padding:100px 0 90px;
}
.hero .container{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero h1{color:#fff;font-size:clamp(2.3rem,4.4vw,3.6rem);}
.hero h1 em{
  font-style:normal;color:var(--amber-500);
}
.hero-sub{color:rgba(255,255,255,.78);font-size:1.08rem;max-width:46ch;}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero-tags{display:flex;gap:10px;margin-top:44px;flex-wrap:wrap;}
.hero-tag{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.75);
  padding:6px 10px;border-radius:2px;
}
.hero-diagram{position:relative;}
.hero-diagram svg{width:100%;height:auto;}
.hero-bg-grid{
  position:absolute;inset:0;z-index:1;
  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:34px 34px;
  mask-image:radial-gradient(ellipse at 70% 30%, #000 0%, transparent 70%);
}
@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;}
  .hero-diagram{order:-1;max-width:340px;}
}

/* trace line animation */
.trace-line{stroke-dasharray:6 5;animation:dash 3.2s linear infinite;}
@keyframes dash{to{stroke-dashoffset:-88;}}
@media (prefers-reduced-motion:reduce){
  .trace-line{animation:none;}
}

/* ==========================================================================
   Stat strip
   ========================================================================== */
.stat-strip{
  background:var(--sand-50);
  border-bottom:1px solid var(--line);
}
.stat-strip .container{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:0;
}
.stat-item{
  padding:28px 24px;
  border-left:1px solid var(--line);
  font-family:var(--font-mono);
}
.stat-item:first-child{border-left:0;}
.stat-item b{display:block;font-family:var(--font-display);font-size:1.5rem;color:var(--petrol-900);}
.stat-item span{font-size:.72rem;letter-spacing:.04em;color:var(--ink-600);text-transform:uppercase;}
@media (max-width:768px){
  .stat-strip .container{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-left:0;border-top:1px solid var(--line);}
  .stat-item:nth-child(odd){border-left:0;}
}

/* ==========================================================================
   Section headers
   ========================================================================== */
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.section-head p{color:var(--ink-600);font-size:1.02rem;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ==========================================================================
   Nameplate cards (líneas de negocio)
   ========================================================================== */
.plate-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-strong);
  border:1px solid var(--line-strong);
}
.plate{
  background:var(--sand-50);
  padding:32px 26px 30px;
  position:relative;
  transition:background .2s ease;
}
.plate:hover{background:#fff;}
.plate-tag{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;
  color:var(--teal-500);border:1px solid var(--teal-300);
  display:inline-block;padding:3px 8px;border-radius:2px;margin-bottom:18px;
}
.plate h3{font-size:1.12rem;margin-bottom:.6em;}
.plate p{color:var(--ink-600);font-size:.93rem;margin-bottom:0;}
.plate-icon{width:34px;height:34px;color:var(--petrol-900);margin-bottom:16px;}
@media (max-width:940px){ .plate-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .plate-grid{grid-template-columns:1fr;} }

/* ==========================================================================
   Project gallery
   ========================================================================== */
.gallery{
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  grid-template-rows:auto auto;
  gap:16px;
}
.gallery figure{
  margin:0;position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--petrol-950);
}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery figure:hover img{transform:scale(1.06);}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px;
  background:linear-gradient(0deg,rgba(10,46,43,.92),transparent);
  color:#fff;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.03em;
}
.g-tall{grid-row:span 2;}
@media (max-width:860px){
  .gallery{grid-template-columns:1fr 1fr;grid-template-rows:auto;}
  .g-tall{grid-row:auto;}
}
@media (max-width:560px){
  .gallery{grid-template-columns:1fr;}
}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{
  background:var(--petrol-900);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band .container{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;position:relative;z-index:2;
}
.cta-band h2{color:#fff;margin-bottom:.3em;font-size:clamp(1.6rem,3vw,2.1rem);}
.cta-band p{color:rgba(255,255,255,.75);margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:var(--petrol-950);color:rgba(255,255,255,.7);padding:64px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-grid h4{color:#fff;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.1em;}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{font-size:.92rem;color:rgba(255,255,255,.68);}
.footer-grid a:hover{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.6);max-width:32ch;font-size:.92rem;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;font-family:var(--font-mono);font-size:.72rem;
  color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px;
}
.footer-bottom .bottom-right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.visit-counter{
  border:1px solid rgba(255,255,255,.18);border-radius:2px;
  padding:4px 9px;color:rgba(255,255,255,.55);
}
.admin-link{
  color:rgba(255,255,255,.28);font-size:.7rem;
  border:1px solid rgba(255,255,255,.12);border-radius:2px;
  padding:4px 9px;transition:color .15s ease, border-color .15s ease;
}
.admin-link:hover{color:rgba(255,255,255,.7);border-color:rgba(255,255,255,.3);}
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ==========================================================================
   Inner page hero (Servicios / Nosotros / Contacto)
   ========================================================================== */
.page-hero{
  background:var(--petrol-950);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden;
}
.page-hero .container{position:relative;z-index:2;max-width:760px;}
.page-hero h1{color:#fff;font-size:clamp(2rem,4vw,2.8rem);}
.page-hero p{color:rgba(255,255,255,.75);font-size:1.05rem;max-width:56ch;}
.crumb{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--teal-300);text-transform:uppercase;margin-bottom:18px;display:block;}

/* ==========================================================================
   Service detail (spec-sheet style)
   ========================================================================== */
.service-block{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;
  padding:56px 0;border-top:1px solid var(--line);
  align-items:start;
}
.service-block:first-of-type{border-top:0;}
.service-head .plate-tag{margin-bottom:16px;}
.service-head h2{font-size:1.7rem;}
.service-head p{color:var(--ink-600);}
.spec-list{list-style:none;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;background:var(--sand-50);}
.spec-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 20px;border-top:1px solid var(--line);font-size:.96rem;
}
.spec-list li:first-child{border-top:0;}
.spec-list li::before{
  content:"";width:8px;height:8px;flex:none;margin-top:7px;
  background:var(--amber-500);
}
.service-media{border-radius:var(--radius);overflow:hidden;}
@media (max-width:860px){
  .service-block{grid-template-columns:1fr;gap:24px;}
}

/* ==========================================================================
   About page
   ========================================================================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.about-media{position:relative;}
.about-media img{border-radius:var(--radius);}
.value-list{display:grid;gap:22px;margin-top:20px;}
.value-item{display:flex;gap:16px;}
.value-item .idx{font-family:var(--font-mono);color:var(--teal-500);font-size:.85rem;padding-top:3px;}
.value-item h4{margin-bottom:.35em;font-size:1.05rem;}
.value-item p{color:var(--ink-600);margin:0;font-size:.94rem;}
@media (max-width:860px){ .about-grid{grid-template-columns:1fr;gap:32px;} }

.lines-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.lines-strip span{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;
  border:1px solid var(--line-strong);padding:7px 12px;border-radius:2px;color:var(--ink-600);
}

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;}
.contact-card{
  background:var(--petrol-950);color:#fff;padding:36px 32px;border-radius:var(--radius);
}
.contact-card h3{color:#fff;font-size:1.2rem;}
.contact-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid rgba(255,255,255,.12);}
.contact-row:first-of-type{border-top:0;}
.contact-row .ico{width:20px;height:20px;flex:none;margin-top:2px;color:var(--amber-500);}
.contact-row b{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-300);margin-bottom:3px;}
.contact-row a,.contact-row span{color:rgba(255,255,255,.85);font-size:.95rem;}

.form-field{margin-bottom:20px;}
.form-field label{
  display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink-600);margin-bottom:8px;
}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line-strong);background:#fff;
  padding:13px 14px;font-family:var(--font-body);font-size:.96rem;color:var(--ink-900);
  border-radius:var(--radius);
}
.form-field textarea{resize:vertical;min-height:120px;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:2px solid var(--teal-500);outline-offset:1px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}

.consent-field{
  display:flex;gap:12px;align-items:flex-start;
  margin-bottom:24px;padding:16px 18px;
  background:var(--sand-50);border:1px solid var(--line-strong);border-radius:var(--radius);
}
.consent-field input[type="checkbox"]{
  width:18px;height:18px;flex:none;margin-top:2px;accent-color:var(--teal-500);cursor:pointer;
}
.consent-field label{font-size:.86rem;color:var(--ink-600);line-height:1.55;cursor:pointer;}
.consent-field a{color:var(--petrol-900);text-decoration:underline;text-underline-offset:2px;}
.consent-field a:hover{color:var(--teal-500);}

@media (max-width:860px){
  .contact-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}

/* Focus visibility everywhere */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber-500);outline-offset:2px;
}

/* ==========================================================================
   Legal / policy page
   ========================================================================== */
.legal-content{max-width:760px;}
.legal-content h2{font-size:1.25rem;margin-top:2em;}
.legal-content h2:first-child{margin-top:0;}
.legal-content p,.legal-content li{color:var(--ink-600);font-size:.98rem;}
.legal-content ul{margin:0 0 1em;padding-left:1.3em;}
.legal-content li{margin-bottom:.5em;}
.legal-content .updated{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em;
  color:var(--teal-500);text-transform:uppercase;margin-bottom:2em;display:block;
}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}