/* ==========================================
   MDK Fisioterapia - Estilos Principales
   ========================================== */

/* ==========================================
   Variables CSS
   ========================================== */
:root {
    /* Colores */
    --color-primary: #2c5f7d;
    --color-primary-dark: #1e4158;
    --color-secondary: #4a9ebb;
    --color-accent: #f39c12;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-border: #e0e0e0;
    
    /* Fuentes */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Espaciados */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

/* ==========================================
   Reset y Estilos Base
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================
   Contenedor
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-list a {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--color-primary);
    background-color: rgba(44, 95, 125, 0.1);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    padding: var(--spacing-xs) 0;
}

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

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-text);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

/* Botón de teléfono */
.btn-phone {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-phone:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Menú hamburguesa */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero .btn {
    display: inline-block;
    background-color: white;
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.hero .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Secciones
   ========================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   Cards de Servicios
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-bg);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.service-card .btn-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-card .btn-link:hover {
    gap: var(--spacing-sm);
}

/* ==========================================
   Testimonios
   ========================================== */
.testimonials {
    background-color: var(--color-bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-card p {
    color: var(--color-text);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary);
}

.stars {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

/* ==========================================
   Pilares
   ========================================== */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.pillar-card {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.pillar-card:hover {
    background-color: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

.pillar-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.pillar-card h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

/* ==========================================
   Contenido de Servicio
   ========================================== */
.service-content {
    max-width: 900px;
    margin: 0 auto;
}

.service-content h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.service-content h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.service-content h4 {
    color: var(--color-text);
    font-size: 1.3rem;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.service-content ul {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.service-content ul li {
    list-style: none;
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.service-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.service-content video {
    width: 100%;
    border-radius: 12px;
    margin: var(--spacing-md) 0;
}

/* ==========================================
   Formulario de Contacto
   ========================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-form {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: 12px;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-submit:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-info-item {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-light);
    border-radius: 8px;
}

.contact-info-item i {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-top: 3px;
}

.contact-map {
    margin-top: var(--spacing-md);
    border-radius: 12px;
    overflow: hidden;
    height: 300px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-col h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li i {
    margin-right: var(--spacing-xs);
    color: var(--color-secondary);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.footer-col a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================
   Utilidades
   ========================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-bg);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list a {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--color-bg-light);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .btn-phone {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .logo img {
        height: 50px;
    }
}