/* 
* Main CSS File
* ContaEspaña - Servicios de Contabilidad
* Mobile-first responsive design
*/

/* Base styling */
:root {
    /* Main colors */
    --color-primary-dark: #008080; /* Deep teal */
    --color-primary-light: #FFD700; /* Sunny yellow */
    --color-text: #333333; /* Dark grey */
    --color-heading: #003366; /* Dark blue */
    --color-accent: #FF6F61; /* Coral */
    --color-price-bg: #E6E6FA; /* Light lavender */
    --color-white: #FFFFFF;
    --color-light-gray: #F5F5F5;
    --color-medium-gray: #DDDDDD;
    --color-dark-gray: #666666;

    /* Font families */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Border radius */
    --border-radius-sm: 3px;
    --border-radius-md: 6px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Container width */
    --container-max-width: 1200px;
    --container-padding: 20px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%) fixed;
    background-size: 200% 200%;
    min-height: 100vh;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover, a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

h2::after {
    content: "";
    position: absolute;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    max-width: 150px;
}

.logo a {
    display: block;
}

.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: none;
}

.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.nav-menu li {
    margin: var(--spacing-sm) 0;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--color-accent);
    text-decoration: none;
}

.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
}

.nav-cta:hover,
.nav-cta:focus {
    background-color: var(--color-primary-dark);
    color: var(--color-white) !important;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    border-radius: var(--border-radius-sm);
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    z-index: 1;
    background-image: url('img/B4KlNB.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: -1;
}

.hero-content {
    text-align: center;
    margin: 0 auto;
    max-width: 800px;
    padding: var(--spacing-lg);
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
    font-size: 2.2rem;
    color: var(--color-heading);
}

.hero-content p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.cta-button:hover,
.cta-button:focus {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* About Section */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.about-text {
    max-width: 600px;
    text-align: center;
}

.about-image {
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Advantages Section */
.advantages-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.advantage-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.advantage-card h3 {
    color: var(--color-heading);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.advantage-card h3::after {
    content: "";
    position: absolute;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
}

/* Services Section */
.services-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-accent);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

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

/* Testimonials Section */
.testimonials-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

.testimonial-card::before {
    content: "\201C";
    position: absolute;
    top: 0;
    left: var(--spacing-md);
    font-size: 4rem;
    font-family: sans-serif;
    color: var(--color-medium-gray);
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-author-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-accent);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 0;
}

/* Pricing Section */
.pricing-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.price-card {
    background-color: var(--color-price-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.price-card.featured {
    transform: scale(1.05);
    background-color: var(--color-white);
    border: 2px solid var(--color-accent);
}

.price-card.featured::before {
    content: "Recomendado";
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 5px 30px;
    font-size: 0.8rem;
    transform: rotate(45deg);
}

.price-card h3 {
    color: var(--color-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: var(--spacing-lg);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-dark-gray);
}

.features {
    margin-bottom: var(--spacing-lg);
}

.features li {
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: 20px;
}

.features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.price-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
}

.price-button:hover,
.price-button:focus {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    text-decoration: none;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-light-gray);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 2px rgba(0, 128, 128, 0.2);
}

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

.checkbox-group input {
    width: auto;
    margin-right: var(--spacing-sm);
    margin-top: 4px;
}

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

.submit-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
}

.submit-button:hover,
.submit-button:focus {
    background-color: var(--color-primary-dark);
}

/* Contact Info Section */
.contact-info-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.contact-item h3 {
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.contact-map {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Footer */
.site-footer {
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.footer-logo {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    max-width: 500px;
    margin: 0 auto;
    font-size: 0.9rem;
    color: var(--color-dark-gray);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

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

.footer-column ul a:hover,
.footer-column ul a:focus {
    color: var(--color-accent);
}

.contact-info li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark-gray);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-medium-gray);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--color-dark-gray);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    display: none;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    width: 100%;
}

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

.cookie-button {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cookie-button:hover,
.cookie-button:focus {
    background-color: var(--color-primary-dark);
}

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

.hero-content, 
.about-content, 
.advantage-card, 
.service-card, 
.testimonial-card, 
.price-card, 
.contact-info-container {
    animation: fadeIn 1s ease-out;
}

/* Media Queries */
@media (min-width: 576px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        flex-direction: row;
        position: static;
        box-shadow: none;
        padding: 0;
    }
    
    .nav-menu li {
        margin: 0 var(--spacing-sm);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-details {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-info-container {
        flex-direction: row;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: row;
    }
    
    .footer-info {
        flex: 1;
        text-align: left;
    }
    
    .footer-links {
        flex: 2;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
        text-align: left;
    }
}

@media (min-width: 992px) {
    .about-section .container {
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .about-text {
        flex: 1;
        text-align: left;
    }
    
    .about-image {
        flex: 1;
    }
    
    .about-content {
        flex-direction: row;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}