/* Paleta de Colores */
:root {
    --primary-color: #007bff; /* Azul primario */
    --secondary-color: #6c757d; /* Gris secundario */
    --light-bg: #f8f9fa; /* Fondo claro */
    --dark-text: #343a40; /* Texto oscuro */
    --white-text: #ffffff;
    --font-family: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--dark-text);
    background-color: #fdfbf7; /* Color crema base */
    /* Patrón de Huellitas Geométrico (Círculos simples) */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 100 100'%3E%3Cg fill='%23d4b895' fill-opacity='0.2'%3E%3Ccircle cx='20' cy='40' r='9'/%3E%3Ccircle cx='40' cy='25' r='9'/%3E%3Ccircle cx='60' cy='25' r='9'/%3E%3Ccircle cx='80' cy='40' r='9'/%3E%3Cellipse cx='50' cy='70' rx='25' ry='18'/%3E%3C/g%3E%3C/svg%3E");
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--light-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 6px;
    border: 3px solid var(--light-bg);
}

::-webkit-scrollbar-thumb:hover {
    background-color: #0056b3;
}

::selection {
    background-color: var(--primary-color);
    color: var(--white-text);
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand, .nav-link {
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('img/veterinaria.webp') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    height: 100vh;
    min-height: 400px;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,.15);
}

/* Espaciado general para alargar la página */
section {
    padding: 100px 0;
}

.social-icons a {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

/* Highlight WhatsApp Button */
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(25, 135, 84, 0); }
    100% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0); }
}

#whatsapp-btn {
    scroll-margin-top: 200px; /* Offset para que la navbar sticky no lo tape */
    display: inline-block;
    border-radius: 50px;
}

#whatsapp-btn:target {
    animation: pulse-green 2s infinite;
    background-color: #f8f9fa;
    padding: 5px 15px;
    border: 1px solid #198754;
}