:root {
    /* Paleta de Colores */
    --primary-color: #007BFF;
    --secondary-color: #FFD700;
    --bg-light: #F0F8FF;
    --text-dark: #333333;
    
    /* Tipografía */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* UI */
    --border-radius: 12px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, .navbar-brand {
    font-family: var(--font-heading);
}

/* Utilitarios de Sección */
.section-padding {
    padding: 5rem 0;
}

.section-title {
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Botones */
.btn {
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #333; /* Contraste para amarillo */
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

/* Hero Section */
#hero {
    height: 100vh;
    min-height: 600px;
    background: url('/samples/limpieza_piscinas_spa/img/hero_bg.webp') no-repeat center center/cover;
    position: relative;
    /* Espacio para el navbar sticky */
    margin-top: -76px; 
    padding-top: 76px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(0, 50, 100, 0.6), rgba(0, 123, 255, 0.3));
    z-index: 1;
}

/* Servicios Cards */
.service-card {
    border-radius: var(--border-radius);
    background-color: var(--bg-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(0,0,0,.1) !important;
}

.service-card img {
    height: 220px;
    object-fit: cover;
}

img {
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Beneficios */
.icon-box {
    min-width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 215, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Testimonios / Swiper */
.testimonial-card {
    border-radius: var(--border-radius);
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 3px solid var(--secondary-color);
}

/* Swiper Pagination Customization */
.swiper-pagination-bullet {
    background-color: white;
    opacity: 0.5;
}
.swiper-pagination-bullet-active {
    background-color: var(--secondary-color);
    opacity: 1;
}