*{box-sizing:border-box}
:root{
  --azul:#0F2D52;
  --azul2:#1F4E79;
  --gris:#4b5563;
  --claro:#eef4fa;
  --blanco:#ffffff;
}
html{scroll-behavior:smooth}
body{padding-top:100px;font-family:Arial,sans-serif;margin:0;line-height:1.6;color:#1f2937;background:#fff}
.navbar{position:fixed;top:0;left:0;width:100%;z-index:9999;display:flex;justify-content:space-between;align-items:center;padding:12px 30px;background:#fff;color:var(--azul);box-shadow:0 4px 18px rgba(15,45,82,.12);transition:all .3s ease}
.navbar.scrolled{padding:8px 30px;box-shadow:0 6px 25px rgba(15,45,82,.18)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;background:transparent;padding:6px 14px;border-radius:999px;transition:.2s ease}
.brand:hover{background:transparent;transform:translateY(-1px);box-shadow:0 4px 14px rgba(75,85,99,.18)}
.logo{height:64px;width:auto;background:transparent;transition:height .3s ease}
.navbar.scrolled .logo{height:52px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:20px;color:var(--azul);transition:color .2s ease}
.brand-text span{font-size:14px;color:var(--gris);font-weight:600;transition:color .2s ease}
nav ul{display:flex;gap:12px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav ul a{display:inline-block;background:var(--azul2);color:#fff;text-decoration:none;padding:9px 14px;border-radius:999px;font-weight:700;font-size:14px;transition:.2s ease}
nav ul a:hover{background:var(--azul);transform:translateY(-1px)}

.hero{position:relative;min-height:520px;padding:80px 20px;text-align:left;display:flex;align-items:center;overflow:hidden;background:
linear-gradient(90deg,rgba(8,26,48,.95) 0%,rgba(10,39,72,.86) 46%,rgba(10,39,72,.58) 100%),
linear-gradient(180deg,rgba(15,45,82,.22),rgba(15,45,82,.34)),
url("../img/hero-industrial-wallpaper.png") center right/cover no-repeat,#0f2d52}
.hero:before{content:"";position:absolute;inset:0;background-image:
linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
background-size:42px 42px;opacity:.28}
.hero-content{position:relative;max-width:1100px;margin:auto;color:#fff;width:100%}
.eyebrow{display:inline-block;margin:0 0 16px;padding:8px 14px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.10);font-weight:700;letter-spacing:.4px;font-size:14px}
.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.05;margin:0 0 18px;max-width:920px;color:#fff}
.hero-lead{font-size:clamp(17px,2vw,22px);max-width:820px;margin:0 0 28px;color:#e8eef5}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:0}
.btn{display:inline-block;padding:14px 22px;text-decoration:none;border-radius:6px;font-weight:800;transition:.2s ease}
.btn-primary{background:#fff;color:var(--azul)}
.btn-primary:hover{background:var(--claro);transform:translateY(-2px)}
.btn-secondary{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.75)}
.btn-secondary:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

section{padding:70px 20px;max-width:1100px;margin:auto;scroll-margin-top:120px}
section h2{font-size:32px;color:var(--azul);margin-top:0;margin-bottom:12px}
.section-lead{color:var(--gris);font-size:18px;margin:0 0 32px;max-width:680px}
.section-alt{background:var(--claro);max-width:none;padding-left:calc((100% - 1100px)/2 + 20px);padding-right:calc((100% - 1100px)/2 + 20px)}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.card{background:#fff;border:1px solid #d1dbe8;padding:28px 24px;border-radius:14px;box-shadow:0 8px 22px rgba(15,45,82,.08);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,45,82,.14)}
.card-icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;background:linear-gradient(145deg,#eef4fa,#ffffff);border:1px solid #c8d6e6;border-radius:12px;color:var(--azul2);margin-bottom:16px;box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 8px 18px rgba(15,45,82,.08)}
.card-icon svg{width:28px;height:28px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card h3{color:var(--azul2);margin:0 0 10px;font-size:20px}
.card p{color:var(--gris);margin:0;font-size:15px;line-height:1.55}

.nosotros-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.95fr);gap:40px;align-items:start}
.nosotros-intro{max-width:680px;margin:0 0 12px;color:#1f2937}
.nosotros-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none;color:var(--gris)}
.nosotros-list li{padding:12px 14px;border-left:3px solid var(--azul2);background:#f6f9fc;border-radius:8px;line-height:1.5}
.nosotros-list strong{color:var(--azul)}
.mision-vision{display:grid;grid-template-columns:1fr;gap:16px;margin-top:0}
.mision-vision article{background:#fff;border:1px solid #d1dbe8;border-left:4px solid var(--azul2);border-radius:10px;padding:18px 20px;box-shadow:0 8px 22px rgba(15,45,82,.06)}
.mision-vision h3{margin:0 0 8px;color:var(--azul);font-size:18px}
.mision-vision p{margin:0;color:var(--gris);font-size:15px;line-height:1.55}
.nosotros-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px}
.nosotros-stats div{background:var(--claro);border-radius:12px;padding:20px 24px;text-align:center;border:1px solid #d1dbe8}
.nosotros-stats strong{display:block;font-size:28px;color:var(--azul)}
.nosotros-stats span{display:block;color:var(--gris);font-size:14px;margin-top:4px}

.proyectos-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.proyecto-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 22px rgba(15,45,82,.08);border:1px solid #d1dbe8;transition:transform .2s ease,box-shadow .2s ease}
.proyecto-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,45,82,.14)}
.proyecto-img{position:relative;overflow:hidden;height:180px;background-size:cover;background-position:center}
.proyecto-img-1{background-image:url("../img/projects/automatizacion-linea.png")}
.proyecto-img-2{background-image:url("../img/projects/instrumentacion-tanques.png")}
.proyecto-img-3{background-image:url("../img/projects/variadores-frecuencia.png")}
.proyecto-img-4{background-image:url("../img/projects/valvula-fisher-1-pulgada.png")}
.proyecto-img-5{background-image:url("../img/projects/valvula-fisher-2-pulgadas.png")}
.proyecto-img-6{background-image:url("../img/projects/rehabilitacion-cortadora-carton.png")}
.proyecto-body{padding:20px 24px}
.proyecto-body h3{color:var(--azul2);margin:0 0 8px;font-size:18px}
.proyecto-body p{color:var(--gris);margin:0;font-size:15px}

.contacto-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:start}
.contacto-info{display:flex;flex-direction:column;gap:20px}
.contacto-item{background:var(--claro);border-radius:12px;padding:20px 24px;border:1px solid #d1dbe8}
.contacto-item strong{display:block;color:var(--azul);font-size:14px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.contacto-item a,.contacto-item span{color:var(--gris);font-size:16px;text-decoration:none}
.contacto-item a:hover{color:var(--azul2);text-decoration:underline}
.contacto-whatsapp{display:flex;align-items:center;gap:14px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.contacto-whatsapp:hover{border-color:var(--azul2);box-shadow:0 8px 22px rgba(15,45,82,.10);transform:translateY(-2px)}
.contacto-whatsapp span{color:var(--azul2);font-weight:700}
.whatsapp-thumb{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;flex:0 0 46px;border-radius:50%;line-height:0;box-shadow:0 8px 18px rgba(37,211,102,.25)}
.whatsapp-thumb svg{width:46px!important;height:46px!important;max-width:46px;display:block;flex:0 0 46px}
.whatsapp-copy{display:block}
.contacto-form{display:flex;flex-direction:column;gap:14px;background:#fff;padding:28px;border-radius:14px;border:1px solid #d1dbe8;box-shadow:0 8px 22px rgba(15,45,82,.07)}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{color:var(--azul);font-size:14px;font-weight:800}
input,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:8px;font-family:inherit;font-size:15px;color:#1f2937;background:#fff;transition:border-color .2s ease}
input:focus,textarea:focus{outline:none;border-color:var(--azul2);box-shadow:0 0 0 3px rgba(31,78,121,.15)}
textarea{resize:vertical;min-height:120px}
button{padding:14px;border:none;background:var(--azul2);color:#fff;border-radius:8px;font-weight:800;font-size:15px;cursor:pointer;transition:background .2s ease,transform .2s ease}
button:hover{background:var(--azul);transform:translateY(-1px)}

footer{position:relative;display:flex;align-items:center;justify-content:center;text-align:center;padding:22px 150px;background:var(--azul);color:#fff;margin-top:0}
footer p{margin:0}
.footer-login{position:absolute;right:30px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:10px 22px;border:2px solid #fff;border-radius:999px;background:#fff;color:var(--azul);text-decoration:none;font-weight:900;font-size:14px;box-shadow:0 8px 20px rgba(0,0,0,.18);transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease}
.footer-login:hover{background:var(--claro);color:var(--azul2);box-shadow:0 10px 24px rgba(0,0,0,.22);transform:translateY(calc(-50% - 1px))}

.modal-overlay{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,45,82,.45);backdrop-filter:blur(4px)}
.modal-overlay[hidden]{display:none}
.modal{position:relative;background:#fff;border-radius:16px;padding:40px 36px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 50px rgba(15,45,82,.25);border:1px solid #d1dbe8;animation:modal-in .25s ease}
.modal-close{position:absolute;top:12px;right:16px;border:none;background:none;font-size:28px;line-height:1;color:var(--gris);cursor:pointer;padding:4px}
.modal-close:hover{color:var(--azul)}
.modal h2{color:var(--azul);margin:0 0 12px;font-size:26px}
.modal p{color:var(--gris);margin:0 0 28px;font-size:16px;line-height:1.5}
.modal-btn{padding:12px 32px;border:none;background:var(--azul2);color:#fff;border-radius:8px;font-weight:800;font-size:15px;cursor:pointer;transition:background .2s ease,transform .2s ease}
.modal-btn:hover{background:var(--azul);transform:translateY(-1px)}
.quote-modal{max-width:560px;text-align:left;padding:30px}
.quote-modal-header{display:flex;align-items:center;gap:16px;margin-bottom:22px;padding-right:28px}
.quote-modal-header img{width:78px;height:auto;flex:0 0 auto}
.quote-modal-header h2{margin:0 0 4px;color:var(--azul);font-size:24px}
.quote-modal-header p{margin:0;color:var(--gris);font-size:15px;line-height:1.45}
.quote-form{padding:22px;box-shadow:none}
@keyframes modal-in{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}

.page-gracias{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px;text-align:center;background:var(--claro)}
.page-gracias .gracias-card{background:#fff;padding:48px 40px;border-radius:16px;box-shadow:0 12px 40px rgba(15,45,82,.12);max-width:480px;border:1px solid #d1dbe8}
.page-gracias h1{color:var(--azul);margin:0 0 12px;font-size:28px}
.page-gracias p{color:var(--gris);margin:0 0 28px}
.page-gracias a{display:inline-block;padding:12px 24px;background:var(--azul2);color:#fff;text-decoration:none;border-radius:8px;font-weight:700;transition:background .2s ease}
.page-gracias a:hover{background:var(--azul)}

@media(max-width:760px){
  body{padding-top:190px}
  section{scroll-margin-top:210px}
  .navbar{align-items:flex-start;flex-direction:column;gap:12px;padding:12px 18px}
  .navbar.scrolled{padding:10px 18px}
  nav ul{width:100%;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  nav ul::-webkit-scrollbar{display:none}
  nav ul a{white-space:nowrap;font-size:12px;padding:8px 10px}
  .logo{height:56px}
  .navbar.scrolled .logo{height:48px}
  .hero{min-height:auto;padding:58px 20px}
  .section-alt{padding-left:20px;padding-right:20px}
  .nosotros-grid,.contacto-grid{grid-template-columns:1fr;gap:28px}
  .mision-vision{grid-template-columns:1fr}
  .nosotros-stats{grid-template-columns:1fr;margin-top:28px}
  .quote-modal{padding:24px 18px;max-height:90vh;overflow:auto}
  .quote-modal-header{align-items:flex-start;gap:12px}
  .quote-modal-header img{width:64px}
  .quote-form{padding:18px}
  footer{flex-direction:column;gap:14px;padding:22px 20px}
  .footer-login{position:static;transform:none}
  .footer-login:hover{transform:translateY(-1px)}
}