:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
    --header-bg: #ffffff;
    --logo-blue: #1e3a8a;
    --wa-green: #25d366;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif; scroll-behavior: smooth; }
body { background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; padding-top: 80px; }

/* HEADER UNIFICADO */
header { 
    background: var(--header-bg); position: fixed; width: 100%; top: 0; left: 0; z-index: 1000; 
    padding: 10px 5%; display: flex; justify-content: space-between; align-items: center; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.3); 
}
.logo-container { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { height: 60px; border-radius: 5px; }
.logo-text { color: var(--logo-blue); font-weight: 800; font-size: 0.75rem; text-transform: uppercase; max-width: 150px; line-height: 1.1; text-align: left; }

nav ul { list-style: none; display: flex; gap: 15px; }
nav a { text-decoration: none; color: #1e293b; font-weight: bold; font-size: 0.85rem; transition: 0.3s; text-transform: uppercase; }
nav a:hover { color: var(--accent-color); }

/* SECCIONES */
.section-padding { padding: 100px 5% 80px; text-align: center; }
h1 span, h2 span { color: var(--accent-color); }

/* BOTONES */
.btn { 
    padding: 14px 28px; background: var(--accent-color); color: #000; border-radius: 50px; 
    font-weight: 800; text-decoration: none; display: inline-block; border: none; cursor: pointer; transition: 0.3s;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(56, 189, 248, 0.3); }
.btn-outline { background: transparent; border: 2px solid var(--accent-color); color: var(--accent-color); }

/* SERVICIOS (CARDS) */
.cards-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 25px; margin-top: 40px; }
.card { background: var(--card-bg); padding: 40px 25px; border-radius: 25px; width: 320px; border: 1px solid rgba(255,255,255,0.05); transition: 0.3s; }
.card:hover { border-color: var(--accent-color); transform: translateY(-5px); }
.icon-service { font-size: 3.5rem; color: var(--accent-color); margin-bottom: 20px; }

/* CATALOGO SLIDER */
.slider-wrapper { display: flex; align-items: center; justify-content: center; max-width: 1100px; margin: 40px auto; gap: 20px; }
.product-slide { display: none; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--card-bg); padding: 50px; border-radius: 30px; align-items: center; text-align: left; min-height: 480px; }
.product-slide.active { display: grid; animation: fadeIn 0.5s ease; }
.product-image { background: #fff; border-radius: 20px; padding: 25px; height: 320px; display: flex; justify-content: center; align-items: center; }
.product-image img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* FORMULARIO */
.quote-container { background: var(--card-bg); padding: 45px; border-radius: 30px; max-width: 600px; margin: 80px auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; display: flex; flex-direction: column; text-align: left; }
.form-group label { color: var(--accent-color); font-weight: bold; font-size: 0.85rem; margin-bottom: 8px; }
.form-group input, .form-group select { width: 100%; padding: 14px; background: #0f172a; border: 1px solid #334155; color: #fff; border-radius: 10px; font-size: 1rem; }

/* WHATSAPP FLOTANTE */
.whatsapp-float { 
    position: fixed; width: 65px; height: 65px; bottom: 30px; right: 30px; 
    background: var(--wa-green); color: #fff; border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    font-size: 35px; z-index: 2000; text-decoration: none; 
    box-shadow: 0 8px 20px rgba(0,0,0,0.4); transition: 0.3s;
}
.whatsapp-float:hover { transform: scale(1.1); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 850px) { .product-slide { grid-template-columns: 1fr; text-align: center; } .form-row { grid-template-columns: 1fr; } header { flex-direction: column; padding: 10px; } nav ul { margin-top: 10px; gap: 10px; } }