/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B35;
    --secondary-color: #2E8B57;
    --accent-color: #FFD166;
    --dark-color: #333333;
    --light-color: #F8F9FA;
    --gray-color: #6C757D;
    --success-color: #28A745;
    --danger-color: #DC3545;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header y Navegación */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.logo h1 a {
    color: var(--dark-color);
    text-decoration: none;
}

.logo h1 span {
    color: var(--primary-color);
}

.tagline {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
}

.nav-menu a {
    color: var(--dark-color);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: white;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    padding: 10px 20px;
    display: block;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-box input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    width: 200px;
}

.search-box button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Secciones Generales */
section {
    padding: 60px 0;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-description {
    color: var(--gray-color);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* Grids y Cards */
.guides-grid,
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.guide-card,
.article-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.guide-card:hover,
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.guide-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.guide-card h3 a,
.article-card h3 a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.guide-card h3 a:hover,
.article-card h3 a:hover {
    color: var(--primary-color);
}

.guide-meta,
.article-meta {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.popular {
    background: var(--accent-color);
    color: var(--dark-color);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

/* Tabla de Razas */
.breeds-table {
    overflow-x: auto;
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background: var(--secondary-color);
    color: white;
    font-weight: bold;
}

tr:hover {
    background: #f8f9fa;
}

.difficulty {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: bold;
}

.difficulty.easy {
    background: #d4edda;
    color: #155724;
}

.difficulty.medium {
    background: #fff3cd;
    color: #856404;
}

/* Acordeón de Problemas */
.problems-accordion {
    max-width: 800px;
    margin: 40px auto 0;
}

.accordion-item {
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 20px;
    background: white;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header:hover {
    background: #f8f9fa;
}

.accordion-header i:first-child {
    margin-right: 10px;
    color: var(--primary-color);
}

.accordion-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content.active {
    padding: 20px;
    max-height: 500px;
}

.accordion-content ul {
    margin: 15px 0;
    padding-left: 20px;
}

.accordion-content li {
    margin-bottom: 8px;
}

.btn-small {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Calculadoras */
.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.calculator {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.calculator h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.calculator-form label {
    font-weight: bold;
}

.calculator-form input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.resultado {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

/* Artículos */
.article-card {
    display: flex;
    flex-direction: column;
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.article-content {
    padding: 20px;
}

.text-center {
    text-align: center;
    margin-top: 40px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--secondary-color);
    color: white;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: #1e6b3a;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 20px;
}

.footer-col h3 span {
    color: var(--primary-color);
}

.footer-col p {
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

.disclaimer {
    font-size: 0.8rem;
    margin-top: 10px;
    opacity: 0.6;
}

/* Botón WhatsApp */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .search-box input {
        width: 150px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 40px 0;
    }
    
    .guides-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-button {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}