/* 
 * ContaEspaña - Servicios Profesionales de Contabilidad
 * Estilos principales v1.0
 */

/* Variables y Configuración Global */
:root {
    /* Colores principales según el diseño */
    --color-primary: #0A2239;
    --color-secondary: #F4D35E;
    --color-accent: #EE6C4D;
    --color-text-light: #FFFFFF;
    --color-text-light-alt: #F4F4F4;
    --color-background-light: #F9F9F9;
    --color-gradient-start: #0A2239;
    --color-gradient-end: #1D3557;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Bordes y efectos */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --box-shadow-soft: 0 5px 15px rgba(0, 0, 0, 0.08);
    --box-shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;  /* Compensar el header fijo */
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--color-text-light);
    background-color: var(--color-primary);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-accent);
}

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

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

button {
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}

.container {
    width: 100%;
    max-width: 1280px;
    padding: 0 var(--spacing-md);
    margin: 0 auto;
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

/* Utilidades */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.text-center {
    text-align: center;
}

.fade-in {
    animation: fadeIn 1s ease-in-out;
}

.slide-up {
    animation: slideUp 0.8s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-soft);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

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

.btn-nav {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    padding: 0.5rem 1.5rem;
}

.btn-nav:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.btn-cookie {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

/* Header y Navegación */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to right, var(--color-gradient-start), var(--color-gradient-end));
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    max-width: 180px;
    height: auto;
}

.logo-svg {
    width: 100%;
    height: 40px;
}

.main-nav .menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-sm);
}

.main-nav .menu a {
    color: var(--color-text-light);
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.main-nav .menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: width var(--transition-medium);
}

.main-nav .menu a:hover::after,
.main-nav .menu a:focus::after {
    width: 80%;
}

.main-nav .menu a:hover {
    color: var(--color-secondary);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--color-text-light);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--color-text-light);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    transform: translateY(-10px);
}

.hamburger::after {
    transform: translateY(10px);
}

.menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(10, 34, 57, 0.9), rgba(29, 53, 87, 0.95)), url('./../img/Zc6jJl.jpg');
    background-size: cover;
    background-position: center;
    margin-top: 0;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1.2s ease-in-out;
}

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

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light-alt);
    max-width: 600px;
}

/* Sección Sobre Nosotros */
.about {
    background-color: rgba(29, 53, 87, 0.8);
    padding: var(--spacing-xl) 0;
}

.about h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.about h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 20px auto 0;
}

.about-features {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    gap: var(--spacing-md);
}

.feature {
    flex: 1 1 300px;
    padding: var(--spacing-md);
    text-align: center;
    background-color: rgba(10, 34, 57, 0.5);
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-medium);
    animation: fadeIn 1s ease-in-out;
    box-shadow: var(--box-shadow-soft);
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-medium);
}

.feature-icon {
    background-color: var(--color-accent);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

/* Servicios y Precios */
.services {
    background-color: var(--color-primary);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.services h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-secondary);
    margin: 20px auto 0;
}

.services-table {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    flex: 1 1 300px;
    max-width: 350px;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, rgba(29, 53, 87, 0.9), rgba(10, 34, 57, 0.95));
    text-align: center;
    box-shadow: var(--box-shadow-soft);
    transition: all var(--transition-medium);
    position: relative;
    animation: fadeIn 1.5s ease-out;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-medium);
}

.service-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--color-secondary);
}

.service-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.featured-tag {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--color-accent);
    color: var(--color-text-light);
    padding: 5px 15px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.service-card h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.service-card ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.service-card li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.service-card li::before {
    content: '✓';
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

/* Por Qué Elegirnos */
.why-us {
    background-color: rgba(29, 53, 87, 0.9);
}

.why-us h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.why-us h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 20px auto 0;
}

.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.advantage {
    padding: var(--spacing-md);
    background-color: rgba(10, 34, 57, 0.7);
    border-radius: var(--border-radius-md);
    position: relative;
    transition: transform var(--transition-medium);
    animation: slideUp 0.8s ease-out;
}

.advantage:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-soft);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
}

.advantage h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* Testimonios */
.testimonials {
    background-color: var(--color-primary);
    position: relative;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.testimonials h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-secondary);
    margin: 20px auto 0;
}

.testimonial-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonial {
    flex: 1 1 300px;
    max-width: 380px;
    background: linear-gradient(135deg, rgba(29, 53, 87, 0.8), rgba(10, 34, 57, 0.9));
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-soft);
    transition: transform var(--transition-medium);
    animation: fadeIn 1.2s ease-in-out;
}

.testimonial:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-medium);
}

.testimonial-image {
    height: 200px;
    overflow: hidden;
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.testimonial:hover .testimonial-image img {
    transform: scale(1.05);
}

.testimonial-content {
    padding: var(--spacing-md);
}

.testimonial-content p {
    font-style: italic;
    position: relative;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.testimonial-author {
    margin-top: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-accent);
}

/* FAQ */
.faq {
    background-color: rgba(29, 53, 87, 0.8);
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.faq h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 20px auto 0;
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: rgba(10, 34, 57, 0.7);
}

.accordion-header {
    padding: var(--spacing-md);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    color: var(--color-secondary);
    transition: background-color var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 1.5rem;
    line-height: 1;
    transition: transform var(--transition-fast);
}

.accordion-header.active {
    background-color: rgba(29, 53, 87, 0.8);
}

.accordion-header.active::after {
    content: '−';
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--spacing-md);
    transition: max-height var(--transition-medium);
}

.accordion-content p {
    padding-bottom: var(--spacing-md);
}

/* Formulario de Contacto */
.contact {
    background: linear-gradient(135deg, rgba(10, 34, 57, 0.9), rgba(29, 53, 87, 0.95)), url('./../img/DUqQxa.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.contact h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-secondary);
    margin: 20px auto 0;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(29, 53, 87, 0.95), rgba(10, 34, 57, 0.95));
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-medium);
    animation: fadeIn 1s ease-in-out;
}

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

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: #000000;
    font-size: 1rem;
    transition: background-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input {
    width: auto;
    margin-top: 5px;
}

.checkbox-group label {
    font-size: 0.9rem;
    font-weight: normal;
}

.checkbox-group a {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background-color: rgba(10, 34, 57, 0.95);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.footer-column {
    flex: 1 1 250px;
}

.footer-column h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-column ul li a {
    color: var(--color-text-light-alt);
}

.footer-column address {
    font-style: normal;
}

.footer-column address p {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column address p a {
    color: var(--color-text-light-alt);
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to right, var(--color-gradient-start), var(--color-gradient-end));
    padding: var(--spacing-sm);
    z-index: 1000;
    box-shadow: 0 -5px 10px rgba(0, 0, 0, 0.1);
    display: none;
    animation: slideUpCookie 0.5s ease-in-out;
}

@keyframes slideUpCookie {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.cookie-content p {
    margin: 0;
    font-size: 0.9rem;
}

/* Media Queries para Responsive Design */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .advantage-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-nav .menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        max-width: 300px;
        flex-direction: column;
        background: var(--color-gradient-start);
        padding: 80px var(--spacing-md) var(--spacing-md);
        transition: right var(--transition-medium);
        z-index: 1000;
    }
    
    .main-nav .menu.active {
        right: 0;
    }
    
    .main-nav .menu a {
        padding: var(--spacing-sm);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .service-card.featured {
        transform: none;
    }
    
    .service-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .testimonial-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial {
        max-width: 100%;
    }
    
    .contact-form-container {
        padding: var(--spacing-md);
    }
}

/* Estilos para Favicon e Iconos SVG */
.icon-experience, 
.icon-personalized,
.icon-guarantee,
.icon-location,
.icon-phone,
.icon-email {
    display: inline-block;
    width: 24px;
    height: 24px;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
}

/* Favicon */
@media (prefers-color-scheme: light) {
    :root {
        color-scheme: light;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}