/*
Theme Name: SIA PERU
Theme URI: https://siaperusac.com
Author: SIA PERU SAC
Description: Tema corporativo a medida para SIA PERU SAC — Consultora Ambiental. Verde petróleo + lima, Poppins/Inter, diseño aprobado en vista previa local.
Version: 1.2.1
Requires PHP: 7.4
License: Propietaria — uso exclusivo de SIA PERU SAC
Text Domain: sia-peru
*/

:root{
  --petroleo:#0D5C63;
  --petroleo-noche:#083F44;
  --lima:#9BC53D;
  --lima-oscuro:#85AC2F;
  --hielo:#F4F7F6;
  --carbon:#1F2A2C;
  --gris:#5A6B6E;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--carbon);background:#fff;line-height:1.6}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.25}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* Animaciones de aparición */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

/* Header */
.sitio-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);box-shadow:0 1px 8px rgba(8,63,68,.08);transition:box-shadow .3s}
.sitio-header.scrolled{box-shadow:0 4px 18px rgba(8,63,68,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:16px}
.nav img.logo{height:56px;width:auto;transition:height .3s}
.sitio-header.scrolled .nav img.logo{height:46px}
.nav ul{display:flex;list-style:none;gap:26px;font-weight:500;font-size:15px;align-items:center}
.nav ul a{position:relative;padding:4px 0;transition:color .2s}
.nav ul a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--lima);transition:width .25s}
.nav ul a:hover,.nav ul a.activo{color:var(--petroleo)}
.nav ul a:hover::after,.nav ul a.activo::after{width:100%}
.nav li.con-sub{position:relative}
.nav li.con-sub>ul{display:none;position:absolute;top:100%;left:-14px;background:#fff;box-shadow:0 10px 26px rgba(8,63,68,.16);border-radius:10px;padding:10px 14px;min-width:280px;flex-direction:column;gap:2px}
.nav li.con-sub:hover>ul{display:flex}
.nav li.con-sub>ul a{display:block;padding:7px 6px;font-size:14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:8px;font-weight:600;font-family:'Poppins',sans-serif;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:none}
.btn:hover{transform:translateY(-2px)}
.btn-lima{background:var(--lima);color:#123014;box-shadow:0 4px 14px rgba(155,197,61,.35)}
.btn-lima:hover{background:var(--lima-oscuro);box-shadow:0 8px 20px rgba(155,197,61,.45);color:#123014}
.btn-borde{border:2px solid #fff;color:#fff}
.btn-borde:hover{background:rgba(255,255,255,.15);color:#fff}
.btn-fantasma{border:2px solid var(--petroleo);color:var(--petroleo)}
.btn-fantasma:hover{background:var(--petroleo);color:#fff}
.menu-movil-btn{display:none;background:none;border:none;font-size:26px;color:var(--petroleo-noche);cursor:pointer}

/* Héroe */
.hero{position:relative;min-height:580px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('assets/img/hero/monitoreo-ambiental-campo.jpg') center/cover;animation:kenburns 22s ease-in-out infinite alternate}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,63,68,.9) 0%,rgba(13,92,99,.74) 45%,rgba(13,92,99,.28) 100%)}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.09)}}
.hero .wrap{position:relative;z-index:2}
.hero-inner{max-width:660px;padding:80px 0}
.hero .kicker{display:inline-block;background:rgba(155,197,61,.2);border:1px solid var(--lima);color:#DDF0B0;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:99px;margin-bottom:18px}
.hero h1{font-size:44px;font-weight:700;margin-bottom:18px}
.hero p{font-size:18px;color:#E4EFEF;margin-bottom:30px}
.hero .acciones{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .brochure-link{color:#DDF0B0;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px dashed rgba(221,240,176,.6);padding-bottom:2px;transition:color .2s}
.hero .brochure-link:hover{color:#fff}

/* Cifras */
.cifras{background:var(--petroleo-noche);color:#fff}
.cifras .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:36px 24px}
.cifra{text-align:center}
.cifra .num{font-family:'Poppins',sans-serif;font-size:36px;font-weight:700;color:var(--lima)}
.cifra .txt{font-size:14px;color:#BFD6D8}

/* Secciones */
.seccion{padding:84px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 48px}
.sec-head .mini,.mini{color:var(--petroleo);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.sec-head h2{font-size:34px;margin:8px 0 12px}
.sec-head p{color:var(--gris)}

/* Servicios */
.fondo-hielo{background:var(--hielo)}
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 14px rgba(8,63,68,.07);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(8,63,68,.16)}
.card .marco{overflow:hidden;height:190px}
.card .marco img{height:190px;width:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .marco img{transform:scale(1.07)}
.card .cuerpo{padding:22px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:19px;color:var(--petroleo-noche);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--gris);margin-bottom:14px;flex:1}
.card .mas{color:var(--petroleo);font-weight:600;font-size:14px;transition:letter-spacing .2s}
.card:hover .mas{letter-spacing:.03em}
.card.destacada{grid-column:span 3;display:grid;grid-template-columns:1.2fr 1fr}
.card.destacada .marco{height:100%;min-height:300px}
.card.destacada .marco img{height:100%;min-height:300px}
.card.destacada .cuerpo{padding:38px;display:flex;flex-direction:column;justify-content:center}
.etiqueta{display:inline-block;background:var(--lima);color:#123014;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 12px;border-radius:99px;margin-bottom:12px;width:fit-content}
.card.destacada h3{font-size:26px}
.card.destacada p{font-size:16px}

/* Pilares / Nosotros */
.pilares-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 34px;align-items:start}
.pilar{display:flex;gap:16px;padding:14px;border-radius:12px;transition:background .25s}
.pilar:hover{background:var(--hielo)}
.pilar .icono{flex:0 0 52px;height:52px;border-radius:12px;background:var(--hielo);display:flex;align-items:center;justify-content:center;color:var(--petroleo);font-size:24px;font-weight:700;transition:background .25s,color .25s}
.pilar:hover .icono{background:var(--petroleo);color:#fff}
.pilar h4{font-size:17px;margin-bottom:4px}
.pilar p{font-size:14.5px;color:var(--gris)}
.dos-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dos-col .foto{border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(8,63,68,.18)}
.dos-col .foto img{transition:transform .6s ease}
.dos-col .foto:hover img{transform:scale(1.04)}
.dos-col h2{font-size:32px;margin:8px 0 16px}

/* Clientes */
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.chip{background:#fff;border:1px solid #E1E9EA;color:var(--petroleo-noche);font-weight:600;font-size:14px;padding:14px 22px;border-radius:10px;font-family:'Poppins',sans-serif;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;align-items:center;justify-content:center;min-height:74px}
.chip:hover{transform:translateY(-3px);border-color:var(--lima);box-shadow:0 8px 18px rgba(8,63,68,.12)}
.chip img{max-height:42px;max-width:160px;object-fit:contain;filter:grayscale(1);opacity:.72;transition:filter .3s,opacity .3s}
.chip:hover img{filter:none;opacity:1}
.chip.oscuro{background:#15191a;border-color:#15191a}

/* CTA */
.cta{position:relative;color:#fff;text-align:center;background:linear-gradient(rgba(8,63,68,.92),rgba(8,63,68,.92)),url('assets/img/hero/monitoreo-ruido-nocturno.jpg') center/cover fixed;padding:84px 0}
.cta h2{font-size:32px;max-width:640px;margin:0 auto 14px}
.cta p{color:#CDE2E4;margin-bottom:30px}
.cta .acciones{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
.sitio-footer{background:var(--petroleo-noche);color:#B9D2D4;font-size:14px}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.sitio-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.sitio-footer li{list-style:none;margin-bottom:9px}
.sitio-footer a{transition:color .2s}
.sitio-footer a:hover{color:var(--lima)}
.legal{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
.libro{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#8a1e1e;font-weight:700;padding:8px 14px;border-radius:8px;font-size:13px;margin-top:6px;transition:transform .2s}
.libro:hover{transform:translateY(-2px);color:#8a1e1e}
.btn-brochure-footer{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--lima);color:var(--lima);font-weight:600;padding:9px 16px;border-radius:8px;font-size:13.5px;margin-top:10px;transition:background .2s,color .2s}
.btn-brochure-footer:hover{background:var(--lima);color:#123014}

/* WhatsApp flotante */
.wsp{position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);transition:transform .2s}
.wsp:hover{transform:scale(1.08)}
.wsp::before{content:'';position:absolute;inset:-6px;border-radius:50%;border:3px solid rgba(37,211,102,.5);animation:pulso 2s ease-out infinite}
@keyframes pulso{0%{transform:scale(.85);opacity:1}100%{transform:scale(1.35);opacity:0}}
.wsp svg{width:33px;height:33px;fill:#fff}
.wsp .tip{position:absolute;right:70px;top:50%;transform:translateY(-50%);background:var(--carbon);color:#fff;font-size:12.5px;padding:7px 12px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s}
.wsp:hover .tip{opacity:1}

/* Botón subir */
.subir{position:fixed;right:26px;bottom:96px;z-index:59;width:44px;height:44px;border-radius:10px;background:#fff;color:var(--petroleo);border:1px solid #DDE6E7;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 4px 14px rgba(8,63,68,.14);opacity:0;pointer-events:none;transition:opacity .3s,transform .2s;cursor:pointer}
.subir.visible{opacity:1;pointer-events:auto}
.subir:hover{transform:translateY(-3px)}

/* Páginas internas */
.pagina-hero{background:linear-gradient(115deg,var(--petroleo-noche),var(--petroleo));color:#fff;padding:64px 0 54px}
.pagina-hero h1{font-size:38px}
.pagina-hero .miga{color:#BFD6D8;font-size:13.5px;margin-bottom:10px}
.pagina-hero .miga a{color:#DDF0B0}
.contenido-pagina{padding:64px 0;max-width:860px;margin:0 auto}
.contenido-pagina h2{font-size:26px;color:var(--petroleo-noche);margin:34px 0 12px}
.contenido-pagina h3{font-size:20px;color:var(--petroleo-noche);margin:26px 0 10px}
.contenido-pagina p{margin-bottom:16px}
.contenido-pagina ul,.contenido-pagina ol{margin:0 0 16px 22px}
.contenido-pagina li{margin-bottom:8px}
.contenido-pagina img{border-radius:12px;margin:18px 0}
.contenido-pagina a{color:var(--petroleo);font-weight:600}

/* Formularios */
.sia-form{background:#fff;border:1px solid #E1E9EA;border-radius:14px;padding:30px;box-shadow:0 4px 18px rgba(8,63,68,.07);margin:26px 0}
.sia-form .fila{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sia-form .campo{margin-bottom:16px;display:flex;flex-direction:column}
.sia-form label{font-weight:600;font-size:14px;color:var(--petroleo-noche);margin-bottom:6px;font-family:'Poppins',sans-serif}
.sia-form label .req{color:#C0392B}
.sia-form input[type=text],.sia-form input[type=email],.sia-form input[type=tel],.sia-form input[type=number],.sia-form select,.sia-form textarea{
  border:1.5px solid #D8E0E1;border-radius:8px;padding:11px 14px;font-family:'Inter',sans-serif;font-size:15px;color:var(--carbon);background:#fff;transition:border-color .2s,box-shadow .2s;width:100%}
.sia-form input:focus,.sia-form select:focus,.sia-form textarea:focus{outline:none;border-color:var(--petroleo);box-shadow:0 0 0 3px rgba(13,92,99,.12)}
.sia-form textarea{min-height:120px;resize:vertical}
.sia-form .consentimiento{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--gris);margin:6px 0 18px}
.sia-form .consentimiento input{margin-top:3px}
.sia-form .nota{font-size:13px;color:var(--gris);margin-top:14px}
.sia-form fieldset{border:1px solid #E1E9EA;border-radius:10px;padding:18px;margin:0 0 20px}
.sia-form fieldset legend{font-family:'Poppins',sans-serif;font-weight:600;font-size:14px;color:var(--petroleo);padding:0 8px}
.sia-form .radio-linea{display:flex;gap:26px;align-items:center}
.sia-form .radio-linea label{font-weight:500;margin:0;display:flex;gap:8px;align-items:center;font-family:'Inter',sans-serif}
.hp-campo{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.mapa-marco{border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(8,63,68,.14);margin:14px 0 10px;line-height:0}
.aviso-ok{background:#E8F5E1;border:1.5px solid var(--lima);color:#2C5210;border-radius:10px;padding:16px 20px;margin:22px 0;font-weight:500}
.aviso-error{background:#FDECEA;border:1.5px solid #E74C3C;color:#7B241C;border-radius:10px;padding:16px 20px;margin:22px 0;font-weight:500}

@media(max-width:900px){
  .sia-form .fila{grid-template-columns:1fr}
  .nav ul.menu-principal{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:18px 24px;box-shadow:0 14px 24px rgba(8,63,68,.14);gap:12px}
  .nav ul.menu-principal.abierto{display:flex}
  .nav li.con-sub>ul{position:static;display:flex;flex-direction:column;box-shadow:none;padding:4px 0 4px 14px}
  .menu-movil-btn{display:block}
  .hero h1{font-size:32px}
  .cifras .wrap{grid-template-columns:repeat(2,1fr)}
  .serv-grid{grid-template-columns:1fr}
  .card.destacada{grid-column:span 1;grid-template-columns:1fr}
  .dos-col{grid-template-columns:1fr}
  .pilares-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .cta{background-attachment:scroll}
  .pagina-hero h1{font-size:28px}
}