/* VARIABLES */
:root {
    --primario: #0b1522; /* Azul profundo profesional */
    --dorado: #c5a059;   /* Dorado premium */
    --gris-fondo: #f4f4f4;
    --blanco: #ffffff;
    --font-titulo: 'Cinzel', serif; /* Fuente muy elegante */
    --font-cuerpo: 'Montserrat', sans-serif;
}

/* RESET */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-cuerpo); overflow-x: hidden; }

/* HEADER */
header {
    background: var(--blanco);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.logo { font-family: var(--font-titulo); font-size: 1.5rem; font-weight: bold; color: var(--primario); }
.logo span { color: var(--dorado); }

.desktop-nav a {
    text-decoration: none;
    color: var(--primario);
    margin: 0 15px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: 0.3s;
}
.desktop-nav a:hover { color: var(--dorado); }

.btn-emergency {
    background: #b71c1c;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(11, 21, 34, 0.7), rgba(11, 21, 34, 0.7)), 
                url('https://images.unsplash.com/photo-1517021897933-0e0319cfbc28?auto=format&fit=crop&q=80&w=1600');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 8%;
}

.hero-content h1 {
    font-family: var(--font-titulo);
    font-size: 4rem;
    color: white;
    line-height: 1.1;
    margin: 20px 0;
}

.tagline { color: var(--dorado); text-transform: uppercase; letter-spacing: 4px; font-weight: bold; }

.hero-btns { display: flex; gap: 20px; margin-top: 30px; }

.btn-primary {
    background: var(--dorado);
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}
.btn-primary:hover { transform: scale(1.05); background: #a68548; }

/* SERVICIOS */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    padding: 100px 8%;
    background: var(--blanco);
}

.card {
    text-align: center;
    padding: 50px 30px;
    background: white;
    border: 1px solid #eee;
    transition: 0.4s;
}
.card:hover { 
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--dorado);
}
.card i { font-size: 3rem; color: var(--dorado); margin-bottom: 20px; }
.card h3 { font-family: var(--font-titulo); margin-bottom: 15px; }

/* WHATSAPP PULSE */
.wpp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    z-index: 1000;
    text-decoration: none;
}

.pulse {
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0% { box-shadow: 0 0 0 0px rgba(37, 211, 102, 0.7); }
    100% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .desktop-nav { display: none; }
}