/**
 * Main stylesheet for Contabilidad España website
 * Color palette: 
 * - Indigo: #4B0082
 * - Mint: #A6F6AF
 * - Ink: #1E1E2F
 * - Powder Yellow: #F7E987
 * - White: #FFFFFF
 */

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

:root {
    --color-indigo: #4B0082;
    --color-mint: #A6F6AF;
    --color-ink: #1E1E2F;
    --color-yellow: #F7E987;
    --color-white: #FFFFFF;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--color-ink);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-indigo);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    width: 60px;
    background: var(--color-mint);
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background: var(--color-indigo);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    text-align: center;
}

.btn:hover {
    background: var(--color-mint);
    color: var(--color-ink);
    transform: translateY(-3px);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-accent {
    background: var(--color-mint);
    color: var(--color-ink);
}

.btn-accent:hover {
    background: var(--color-yellow);
}

/* Header & Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow);
    z-index: 100;
    padding: 15px 0;
}

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

.logo {
    max-width: 180px;
}

.main-nav .nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--color-mint);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-indigo);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(30, 30, 47, 0.8), rgba(30, 30, 47, 0.8)), url('../img/icSIK0.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: var(--color-white);
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.hero .btn {
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--color-white);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.feature-list {
    list-style: none;
    margin-top: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-mint);
    font-weight: bold;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--color-ink);
}

.services h2 {
    color: var(--color-white);
    text-align: center;
    margin-bottom: 50px;
}

.services h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-content {
    padding: 25px;
}

.service-price {
    font-size: 1.5rem;
    color: var(--color-indigo);
    font-weight: bold;
    margin: 15px 0;
}

.service-icon {
    color: var(--color-mint);
    font-size: 3rem;
    margin-bottom: 15px;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--color-white);
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 50px;
}

.testimonials h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: linear-gradient(45deg, var(--color-indigo), var(--color-ink));
    padding: 30px;
    border-radius: var(--border-radius);
    color: var(--color-white);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 5rem;
    opacity: 0.2;
    font-family: serif;
    color: var(--color-mint);
}

.client-info {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.client-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    background: var(--color-mint);
}

.client-name {
    font-weight: bold;
}

.client-title {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-yellow) 0%, #F4F4F4 100%);
}

.benefits h2 {
    text-align: center;
    margin-bottom: 50px;
}

.benefits h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.benefit-card {
    display: flex;
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--color-mint);
    margin-right: 20px;
}

.benefit-content h3 {
    margin-bottom: 10px;
}

/* Contact Form */
.contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact h2 {
    text-align: center;
    margin-bottom: 50px;
}

.contact h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: #F9F9F9;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #DDD;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-mint);
    box-shadow: 0 0 0 2px rgba(166, 246, 175, 0.2);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%234B0082' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    appearance: none;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.checkbox-input {
    margin-right: 10px;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: #F4F4F4;
}

.faq h2 {
    text-align: center;
    margin-bottom: 50px;
}

.faq h2::after {
    left: 50%;
    transform: translateX(-50%);
}

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

.accordion-item {
    background: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.accordion-header {
    padding: 20px;
    cursor: pointer;
    position: relative;
    font-weight: 600;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 20px;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

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

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

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 20px 20px;
}

/* Footer */
.site-footer {
    background: var(--color-ink);
    color: var(--color-white);
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h3 {
    color: var(--color-mint);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.contact-list,
.legal-links {
    list-style: none;
}

.contact-list li,
.legal-links li {
    margin-bottom: 10px;
}

.contact-list a,
.legal-links a {
    color: var(--color-white);
    opacity: 0.8;
    transition: var(--transition);
}

.contact-list a:hover,
.legal-links a:hover {
    opacity: 1;
    color: var(--color-mint);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-ink);
    color: var(--color-white);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform 0.5s ease;
    z-index: 999;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.cookie-content p {
    margin: 0;
    padding-right: 20px;
}

/* Alert for form errors */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
}

.alert p {
    margin-bottom: 10px;
}

.alert p:last-child {
    margin-bottom: 0;
}

.alert-danger {
    background-color: #fee;
    color: #c00;
    border: 1px solid #fcc;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section-grid,
    .services-grid,
    .testimonial-grid,
    .benefits-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 80%;
        max-width: 300px;
        background: var(--color-white);
        height: calc(100vh - 70px);
        flex-direction: column;
        padding: 30px;
        transition: right 0.3s ease;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
    }
    
    .cookie-content p {
        margin-bottom: 15px;
        padding-right: 0;
    }
}

@media (max-width: 576px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Legal Pages */
.legal-page h1,
.legal-page h2,
.legal-page h3 {
    text-align: center;
}

.legal-page h2::after {
    left: 50%;
    transform: translateX(-50%);
}