/* ==========================================================================
   PETRA Oil & Gas Corporation del Perú S.A.C.
   Hoja de estilos v2.0
   Identidad: azul petróleo (navy) + ámbar industrial. Tipografía de sistema
   para eliminar peticiones de red bloqueantes (rendimiento en 3G/4G del norte).
   ========================================================================== */

:root{
  /* --- Color ---
     Paleta derivada del logotipo PETRA (2026).
     Azules del isotipo/texto: tono 210–228°, saturación plena.
     Llama: oro #f0d000 → naranja #f09000 → rojo #c00000.
     Los tonos vivos se reservan para fondos oscuros; para texto pequeño
     sobre fondo claro se usan las variantes "-ink", que sí cumplen WCAG AA. */
  --ink:#04122e;          /* Texto principal y fondos oscuros */
  --navy:#0a2050;
  --navy-2:#0d3070;
  --blue:#0b4fa8;         /* Azul real del logotipo — 7,78:1 sobre blanco */
  --blue-600:#083d85;
  --sky:#0d68d0;

  --amber:#f78a00;        /* Naranja de la llama — SOLO sobre fondo oscuro */
  --amber-ink:#b84c00;    /* Variante para texto sobre fondo claro — 5,16:1 */
  --amber-700:#a03f00;
  --grad-a:#cf5600;       /* Inicio del degradado de botón */
  --grad-b:#bd110e;       /* Fin del degradado — rojo del logotipo */
  --gold:#f5c400;         /* Oro de la llama */
  --gold-soft:#ffbf54;
  --red:#c1120f;

  --paper:#f2f6fa;
  --paper-2:#eaf1f7;
  --white:#ffffff;
  --muted:#5b6b7c;
  --muted-2:#78879a;
  --line:#d9e2ea;
  --line-dark:rgba(255,255,255,.13);
  --wa:#128c7e;
  --wa-dark:#0d756a;

  /* --- Forma --- */
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 18px 60px rgba(5,26,45,.14);
  --shadow-sm:0 8px 28px rgba(10,36,58,.08);

  /* --- Ritmo vertical --- */
  --section-y:clamp(64px,8vw,108px);
  --header-h:92px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.62;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
h1,h2,h3,h4{text-wrap:balance}
p{text-wrap:pretty}

/* --- Accesibilidad: foco visible en todo elemento interactivo --- */
:where(a,button,input,select,textarea,[tabindex]):focus-visible{
  outline:3px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}

.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

/* Los hijos de Grid y Flex no se encogen por debajo de su contenido salvo
   que se les fije min-width:0. Sin esto, una tabla ancha desborda la página. */
.split>*,.section-head>*,.contact-grid>*,.layout-aside>*,.card-grid>*,
.footer-grid>*,.cta-band-inner>*,.geo-grid>*,.industry-list>*,
.service-visual>*,.values-split>*,.process>*{min-width:0}
.prose,.content-block,.contact-copy{min-width:0;max-width:100%}
.container-narrow{width:min(860px,calc(100% - 40px));margin-inline:auto}

.skip-link{
  position:fixed;left:16px;top:-70px;z-index:9999;background:#fff;color:#000;
  padding:12px 16px;border-radius:8px;font-weight:700;transition:top .2s ease
}
.skip-link:focus{top:16px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0
}

/* ==========================================================================
   Cabecera
   ========================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  transition:background .25s ease,box-shadow .25s ease;
  background:linear-gradient(180deg,rgba(3,14,36,.88),rgba(3,14,36,0));
}
.site-header.scrolled,.site-header.solid{
  background:rgba(4,18,46,.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 40px rgba(0,0,0,.18);
}
.nav-wrap{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;background:#fff;padding:7px 13px;border-radius:9px;flex:0 0 auto;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.brand img{width:214px;height:71px;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:26px;color:#fff;font-weight:700;font-size:15px}
.main-nav a{opacity:.9;transition:opacity .2s ease,color .2s ease;position:relative;padding:6px 0}
.main-nav a:hover{opacity:1;color:var(--gold-soft)}
.main-nav a[aria-current="page"]{opacity:1;color:var(--gold-soft)}
.main-nav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold-soft);border-radius:2px
}
.nav-cta{
  border:1px solid rgba(255,255,255,.38);padding:11px 18px;border-radius:999px;
  transition:background .2s ease,color .2s ease
}
.nav-cta:hover,.nav-cta:focus-visible{background:#fff;color:var(--ink)!important;opacity:1}
.nav-cta[aria-current="page"]::after{display:none}
.menu-toggle{
  display:none;background:none;border:0;padding:10px;cursor:pointer;border-radius:8px
}
.menu-toggle span{
  display:block;width:26px;height:2px;background:#fff;margin:6px 0;border-radius:3px;
  transition:transform .25s ease,opacity .2s ease
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{position:relative;display:grid;align-items:center;color:#fff;overflow:hidden;isolation:isolate}
.hero-home{min-height:min(94vh,900px);padding:calc(var(--header-h) + 60px) 0 90px}
.hero-inner{min-height:auto;padding:calc(var(--header-h) + 76px) 0 66px}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 58%;z-index:-2
}
.hero-overlay{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 74% 56%,rgba(247,138,0,.18),transparent 36%),
    linear-gradient(90deg,rgba(4,16,42,.97) 0%,rgba(4,16,42,.87) 44%,rgba(4,16,42,.45) 74%,rgba(4,16,42,.62) 100%);
}
.hero-content{position:relative;z-index:2}
.eyebrow,.section-kicker{
  display:block;font-size:12px;letter-spacing:.2em;font-weight:800;text-transform:uppercase;
  color:var(--amber-ink);margin-bottom:16px
}
.section-kicker.light,.eyebrow,.section-dark .section-kicker{color:var(--gold-soft)}
.hero h1{
  margin:0;max-width:16ch;font-size:clamp(40px,5.6vw,74px);line-height:1.03;letter-spacing:-.035em
}
.hero-inner h1{max-width:20ch;font-size:clamp(34px,4.4vw,56px)}
.hero-lead{max-width:62ch;font-size:clamp(17px,1.6vw,21px);color:#d8e5f0;margin:24px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:44px}
.hero-trust span{
  font-size:13px;font-weight:700;letter-spacing:.03em;border:1px solid rgba(255,255,255,.22);
  padding:8px 13px;border-radius:999px;background:rgba(4,20,35,.42)
}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:0 26px;
  border-radius:999px;font-weight:800;font-size:16px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-align:center;line-height:1.2
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  box-shadow:0 12px 34px rgba(189,17,14,.28)
}
.btn-primary:hover{
  background:linear-gradient(135deg,#e06200,var(--grad-b));box-shadow:0 16px 44px rgba(189,17,14,.42)
}
.btn-whatsapp{color:#fff;background:var(--wa);border-color:var(--wa);box-shadow:0 12px 32px rgba(18,140,126,.24)}
.btn-whatsapp:hover{background:var(--wa-dark);border-color:var(--wa-dark)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.36);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline{color:var(--blue);border-color:#bcd0de;background:#fff}
.btn-outline:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ==========================================================================
   Secciones genéricas
   ========================================================================== */
.section{padding:var(--section-y) 0}
.section-intro{padding-bottom:clamp(28px,3vw,44px)}
.section-light{background:#fff}
.section-paper{background:var(--paper)}
.section-dark{background:var(--ink);color:#fff}
.section-dark p{color:#aebac6}

h2.h-lg,.content-block h2,.section-head h2,.industries h2,.values h2,.contact h2,.cta-band h2{
  font-size:clamp(30px,3.6vw,50px);line-height:1.08;letter-spacing:-.03em;margin:0 0 20px
}
h2.h-md{font-size:clamp(25px,2.6vw,34px);line-height:1.16;letter-spacing:-.02em;margin:0 0 16px}
.lead{font-size:clamp(17px,1.5vw,19px);color:var(--muted)}
.section-dark .lead{color:#b3c1cf}

.section-head{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end;margin-bottom:44px}
.section-head p{font-size:17px;color:var(--muted);margin:0}
.section-dark .section-head p{color:#a9b8c7}

.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(40px,6vw,80px);align-items:center}
.content-block p{font-size:17px;color:var(--muted)}
.section-dark .content-block p{color:#b3c1cf}

/* --- Respuesta directa (bloque optimizado para IA y fragmentos destacados) --- */
.answer-box{
  border-left:4px solid var(--amber-ink);background:var(--paper);
  padding:22px 26px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:0 0 32px
}
.answer-box p{margin:0;font-size:18px;color:#2b3c4c;font-weight:500}
.section-dark .answer-box{background:rgba(255,255,255,.05);border-left-color:var(--gold-soft)}
.section-dark .answer-box p{color:#dfe9f1}

/* --- Migas de pan --- */
.breadcrumbs{font-size:13px;color:#9fb3c4;margin-bottom:18px;position:relative;z-index:2}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;align-items:center}
.breadcrumbs a{display:inline-block;padding:8px 2px}
.breadcrumbs li{display:flex;align-items:center}
.breadcrumbs li::after{content:"/";margin-left:8px;opacity:.5}
.breadcrumbs li:last-child::after{content:""}
.breadcrumbs a{color:#cfe0ee;text-decoration:underline;text-underline-offset:3px}
.breadcrumbs a:hover{color:#fff}

.pill-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}
.pill-row span{
  background:var(--paper-2);border:1px solid #dfe8ef;border-radius:999px;
  padding:8px 14px;font-size:13px;font-weight:700
}
.section-dark .pill-row span{background:rgba(255,255,255,.06);border-color:var(--line-dark);color:#dbe6ef}

.image-stack{position:relative}
.image-stack img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-stack::before{
  content:"";position:absolute;width:56%;height:56%;right:-18px;bottom:-20px;border-radius:26px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));z-index:0
}
.image-stack img,.image-caption{position:relative;z-index:1}
.image-caption{
  position:absolute;right:16px;bottom:16px;background:rgba(4,24,39,.9);color:#fff;
  padding:11px 15px;border-radius:10px;font-size:13px;font-weight:700;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)
}

/* ==========================================================================
   Tarjetas de servicio
   ========================================================================== */
.card-grid{display:grid;gap:16px}
.card-grid-4{grid-template-columns:repeat(4,1fr)}
.card-grid-3{grid-template-columns:repeat(3,1fr)}
.card-grid-2{grid-template-columns:repeat(2,1fr)}

.service-card{
  display:flex;flex-direction:column;padding:26px;border-radius:18px;
  border:1px solid var(--line-dark);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  transition:border-color .22s ease,transform .22s ease,background .22s ease
}
a.service-card:hover{transform:translateY(-4px);border-color:rgba(255,169,67,.55);background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04))}
.service-tag{
  font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-soft);
  margin-bottom:auto;padding-bottom:30px;min-height:3.4em;line-height:1.5
}
.service-card h3{font-size:21px;line-height:1.22;margin:0 0 12px;color:#fff}
.service-card p{color:#aebac6;font-size:15px;margin:0}
.card-link{margin-top:18px;font-weight:800;font-size:14px;color:var(--gold-soft)}

.service-visual{
  margin-top:22px;display:grid;grid-template-columns:1.2fr .8fr;border-radius:var(--radius);
  overflow:hidden;background:var(--navy)
}
.service-visual img{width:100%;height:100%;min-height:300px;object-fit:cover}
.service-visual-copy{padding:clamp(28px,4vw,46px);display:flex;flex-direction:column;justify-content:center}
.service-visual-copy h3{font-size:clamp(23px,2.4vw,30px);line-height:1.14;margin:14px 0 12px;color:#fff}
.service-visual-copy p{color:#bdd0df;margin:0}
.tag{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--gold-soft);text-transform:uppercase}

/* --- Proceso numerado (aquí la numeración sí codifica una secuencia real) --- */
.process{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px}
.process-step{
  position:relative;padding:30px 26px 30px 0;border-top:2px solid var(--line)
}
.section-dark .process-step{border-top-color:var(--line-dark)}
.process-step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--amber-ink);margin-bottom:14px
}
.section-dark .process-step::before{color:var(--gold-soft)}
.process-step h3{font-size:19px;line-height:1.2;margin:0 0 8px}
.process-step p{font-size:15px;color:var(--muted);margin:0}
.section-dark .process-step p{color:#a9b8c7}

/* ==========================================================================
   Equipos
   ========================================================================== */
.equipment-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column
}
.equipment-card img{width:100%;height:280px;object-fit:cover;background:#f6f8fa}
.equipment-card.contain img{object-fit:contain;padding:30px}
.equipment-card.contain-dark img{object-fit:contain;padding:22px;background:#111}
.equipment-copy{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.equipment-copy h3{font-size:22px;line-height:1.2;margin:0 0 8px}
.equipment-copy p{margin:0 0 14px;color:var(--muted)}

/* --- Tabla de especificaciones (formato muy legible para motores con IA) --- */
.spec-table-wrap{
  overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch;
  max-width:100%;overscroll-behavior-x:contain;
  border-radius:var(--radius-sm)
}
/* Aviso visual de que la tabla se desplaza en pantallas pequeñas */
.spec-table-wrap::after{content:none}
@media (max-width:700px){
  .spec-table-wrap{position:relative}
  .spec-table-wrap::after{
    content:"→ deslice para ver la tabla completa";
    display:block;font-size:12.5px;color:var(--muted-2);padding:8px 2px 0;font-weight:600
  }
}
.spec-table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.spec-table caption{
  text-align:left;font-weight:800;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-2);padding-bottom:12px
}
.spec-table th,.spec-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table thead th{
  background:var(--navy);color:#fff;font-size:12px;letter-spacing:.09em;text-transform:uppercase;font-weight:800;
  border-bottom:0
}
.spec-table thead th:first-child{border-radius:10px 0 0 0}
.spec-table thead th:last-child{border-radius:0 10px 0 0}
.spec-table tbody tr:nth-child(even){background:var(--paper)}
.spec-table td strong{font-weight:800}

/* ==========================================================================
   Sectores
   ========================================================================== */
.industries{position:relative;color:#fff;overflow:hidden;isolation:isolate}
.industries-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.industries::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(5,24,40,.97),rgba(5,24,40,.86) 56%,rgba(5,24,40,.58))
}
.industries h2{max-width:22ch}
.industry-list{
  margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);overflow:hidden
}
.industry-list div{
  background:rgba(5,20,50,.8);padding:24px;min-height:170px;display:flex;flex-direction:column;justify-content:space-between
}
.industry-list strong{font-size:12px;color:var(--gold-soft);letter-spacing:.14em;text-transform:uppercase}
.industry-list span{font-size:20px;font-weight:800;line-height:1.2}
.industry-list small{display:block;font-size:13px;font-weight:400;color:#a9bccd;margin-top:6px}

/* --- Cobertura geográfica --- */
.geo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.geo-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px
}
.geo-item h3{font-size:17px;margin:0 0 6px}
.geo-item p{font-size:14.5px;color:var(--muted);margin:0}

/* ==========================================================================
   Valores
   ========================================================================== */
.values{background:var(--paper)}
.values-split{align-items:stretch}
.text-link{
  display:inline-block;margin-top:14px;font-weight:800;color:var(--blue);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px
}
.text-link:hover{color:var(--amber-700)}
.values-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 26px;box-shadow:var(--shadow)
}
.value-item{
  display:grid;grid-template-columns:50px 1fr;gap:8px;padding:19px 0;border-bottom:1px solid var(--line);align-items:center
}
.value-item:last-child{border-bottom:0}
.value-item span{font-weight:800;color:var(--amber-ink);font-size:13px}
.value-item p{margin:0;font-weight:600;font-size:16px}

/* ==========================================================================
   Preguntas frecuentes
   ========================================================================== */
.faq-list{margin-top:34px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:block;width:100%;cursor:pointer;list-style:none;
  padding:20px 46px 20px 2px;position:relative;
  font-size:18.5px;font-weight:700;line-height:1.4;color:var(--ink);
  min-height:44px;                      /* zona táctil cómoda */
  -webkit-tap-highlight-color:rgba(11,79,168,.12)
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{content:""}
.faq-q h3{font-size:inherit;font-weight:inherit;line-height:inherit;margin:0;display:inline}
.faq-q::after{
  content:"";position:absolute;right:12px;top:26px;width:11px;height:11px;
  border-right:2.5px solid var(--amber-ink);border-bottom:2.5px solid var(--amber-ink);
  transform:rotate(45deg);transition:transform .25s ease
}
.faq-item[open] .faq-q::after{transform:rotate(-135deg);top:30px}
.faq-q:hover{color:var(--blue)}
.faq-q:focus-visible{outline:3px solid var(--gold);outline-offset:-3px;border-radius:6px}
.faq-a{padding:0 8px 22px 2px;color:var(--muted);font-size:16.5px}
.faq-a p{margin:0 0 12px}
.faq-a p:last-child{margin-bottom:0}
.faq-a ul{margin:0 0 12px;padding-left:20px}
.faq-a li{margin-bottom:6px}

/* ==========================================================================
   Contenido de artículo / páginas internas
   ========================================================================== */
.prose h2{font-size:clamp(25px,2.7vw,34px);line-height:1.15;letter-spacing:-.02em;margin:52px 0 16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;line-height:1.25;margin:34px 0 10px}
.prose p{color:#3d4d5d;margin:0 0 16px}
.prose ul,.prose ol{color:#3d4d5d;margin:0 0 20px;padding-left:22px}
.prose li{margin-bottom:9px}
.prose li strong{color:var(--ink)}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--amber-700)}

.callout{
  background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:22px 26px;margin:28px 0
}
.callout h3{margin:0 0 8px;font-size:18px}
.callout p:last-child{margin-bottom:0}

.side-cta{
  background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;position:sticky;top:calc(var(--header-h) + 20px)
}
.side-cta h3{margin:0 0 10px;font-size:22px;line-height:1.2}
.side-cta p{color:#aebac6;font-size:15px;margin:0 0 20px}
.side-cta .btn{width:100%;margin-bottom:10px}
.layout-aside{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start}

/* ==========================================================================
   Banda de llamada a la acción
   ========================================================================== */
.cta-band{padding:64px 0;background:linear-gradient(120deg,#0a2050,#0b4fa8);color:#fff}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{font-size:clamp(27px,3.2vw,44px);max-width:24ch;margin-bottom:0}
.cta-band .btn{flex:0 0 auto}

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,5vw,70px);align-items:start}
.contact-cards{display:grid;gap:11px;margin-top:30px}
.contact-card{
  display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfcfd;
  transition:border-color .2s ease,background .2s ease
}
a.contact-card:hover{border-color:#f3a064;background:#fff}
.contact-card span{
  display:block;color:var(--muted-2);font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;margin-bottom:4px
}
.contact-card strong{font-size:16px;line-height:1.35;font-weight:700}

.contact-form{padding:clamp(22px,3vw,32px);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:block;font-size:13px;font-weight:800;margin-bottom:16px}
.contact-form .req{color:var(--red)}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;margin-top:7px;border:1.5px solid #ccd7df;background:#fff;border-radius:10px;
  padding:13px 14px;outline:none;color:var(--ink);font-weight:400;
  transition:border-color .18s ease,box-shadow .18s ease
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
  border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,91,145,.12)
}
.contact-form input[aria-invalid="true"],.contact-form textarea[aria-invalid="true"]{
  border-color:var(--red);box-shadow:0 0 0 3px rgba(216,32,23,.1)
}
.field-error{display:block;color:#a8231c;font-size:12.5px;font-weight:700;margin-top:6px;min-height:0}
.check{display:flex!important;align-items:flex-start;gap:11px;font-weight:400!important;color:#4e5d6a;font-size:14px!important}
.check input{width:auto;margin-top:4px;flex:0 0 auto;accent-color:var(--blue)}
.check a{color:var(--blue);text-decoration:underline}
.btn-submit{border:0;width:100%}
.btn-submit[disabled]{opacity:.6;cursor:progress;transform:none}
.form-note{font-size:12.5px;color:var(--muted-2);margin:14px 0 0;text-align:center}
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{display:none;margin-bottom:18px;padding:14px 16px;border-radius:10px;font-weight:700;font-size:15px}
.form-status.ok{display:block;background:#e9f7ef;color:#14643c;border:1px solid #bfe6ce}
.form-status.error{display:block;background:#fff0ef;color:#9f221b;border:1px solid #f3c7c3}

.map-embed{
  margin-top:34px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;background:var(--paper-2)
}
.map-embed iframe{width:100%;height:100%;border:0;display:block}

/* ==========================================================================
   Acciones flotantes
   ========================================================================== */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:950;display:inline-flex;align-items:center;gap:9px;
  padding:14px 18px;border-radius:999px;background:var(--wa);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 12px 32px rgba(0,0,0,.24);transition:transform .2s ease,background .2s ease
}
.whatsapp-float:hover{transform:translateY(-3px);background:var(--wa-dark)}
.wa-icon{width:20px;height:20px;fill:currentColor;flex:0 0 auto}

/* Barra fija de acción en móvil: WhatsApp + llamada. Determinante en B2B móvil. */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:960;
  grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.14);
  box-shadow:0 -6px 26px rgba(0,0,0,.2)
}
.mobile-bar a{
  display:flex;align-items:center;justify-content:center;gap:8px;min-height:58px;
  font-weight:800;font-size:15px;color:#fff
}
.mobile-bar .mb-wa{background:var(--wa)}
.mobile-bar .mb-call{background:var(--ink)}
.mobile-bar svg{width:19px;height:19px;fill:currentColor}

/* ==========================================================================
   Pie
   ========================================================================== */
.site-footer{background:#030d24;color:#a9b7c2;padding:64px 0 22px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:44px}
.footer-logo{width:210px;height:70px;object-fit:contain;background:#fff;border-radius:9px;padding:9px 12px;margin-bottom:16px}
.footer-grid p{max-width:42ch;margin:0 0 14px}
.footer-grid h2{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px;font-weight:800}
.footer-grid a{display:block;margin:2px 0;padding:9px 0;transition:color .2s ease;min-height:24px}
.footer-grid address span{display:block;margin:8px 0}
.footer-grid a:hover{color:var(--gold-soft)}
.footer-grid address{font-style:normal}
.footer-legal{font-size:13px;color:#7d8d99;margin-top:12px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:12.5px;color:#7d8d99
}

/* ==========================================================================
   Animación de entrada
   ========================================================================== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}

/* ==========================================================================
   Adaptativo
   ========================================================================== */
@media (max-width:1080px){
  .card-grid-4{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .layout-aside{grid-template-columns:1fr;gap:44px}
  .side-cta{position:static}
}
@media (max-width:980px){
  .main-nav{
    position:fixed;top:var(--header-h);left:16px;right:16px;max-height:calc(100vh - var(--header-h) - 24px);
    overflow-y:auto;display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#04122e;padding:20px;border-radius:16px;box-shadow:var(--shadow)
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 6px;border-bottom:1px solid rgba(255,255,255,.08)}
  .main-nav a:last-child{border-bottom:0}
  .main-nav a[aria-current="page"]::after{display:none}
  .nav-cta{margin-top:10px;text-align:center;border-radius:12px}
  .menu-toggle{display:block}
  .split,.section-head,.contact-grid,.geo-grid{grid-template-columns:1fr;gap:44px}
  .geo-grid{gap:14px}
  .card-grid-3{grid-template-columns:repeat(2,1fr)}
  .industry-list{grid-template-columns:repeat(2,1fr)}
  .service-visual{grid-template-columns:1fr}
  .cta-band-inner{align-items:flex-start;flex-direction:column}
  .image-stack::before{display:none}
}
@media (max-width:700px){
  body{font-size:16.5px}
  /* 1. Espacio inferior suficiente para que la barra fija nunca tape
        el último contenido de la página. */
  html{scroll-padding-bottom:80px}
  .container,.container-narrow{width:calc(100% - 32px)}
  :root{--header-h:76px}
  .brand img{width:168px;height:56px}
  .hero-home{min-height:auto;padding:calc(var(--header-h) + 46px) 0 66px}
  .hero-inner{padding:calc(var(--header-h) + 46px) 0 48px}
  .hero h1{font-size:clamp(31px,8.2vw,42px)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-trust{margin-top:32px;gap:8px}
  .hero-trust span{font-size:12px;padding:7px 11px}
  .card-grid-4,.card-grid-3,.card-grid-2,.industry-list,.form-row,.footer-grid,.process{grid-template-columns:1fr}
  .process-step{padding:24px 0}
  .service-visual-copy{padding:28px 24px}
  .equipment-card img{height:220px}
  .faq-q{font-size:17.5px;padding-right:40px}
  .faq-list{margin-bottom:24px}
  .cta-band .btn{width:100%}
  .whatsapp-float{display:none}
  .mobile-bar{display:grid;padding-bottom:env(safe-area-inset-bottom,0)}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom,0))}
  .site-footer{padding-bottom:16px}
  .footer-bottom{flex-direction:column;gap:8px}
  .answer-box{padding:18px 20px}
  .answer-box p{font-size:16.5px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,a.service-card:hover,.whatsapp-float:hover{transform:none}
}

@media print{
  .site-header,.whatsapp-float,.mobile-bar,.hero-img,.hero-overlay,.cta-band,.contact-form{display:none!important}
  body{color:#000;font-size:11pt}
  .hero{color:#000;min-height:auto;padding:0}
  .section{padding:14px 0}
}