/* 
 * domain.com - Auditoría Financiera en España
 * Styles for landing page with dark theme
 */

/* --- Base Styles --- */
:root {
    /* Color Palette */
    --dark-bg: #101820;
    --accent: #FEE715;
    --section-bg: #1A1A2E;
    --text-white: #FFFFFF;
    --text-gray: #DADADA;
    --button-gradient-start: #FF416C;
    --button-gradient-end: #FF4B2B;
    --success: #28a745;
    --card-bg: #242738;
    --header-bg: rgba(16, 24, 32, 0.95);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: block;
    text-align: center;
}

h2::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
    width: 100px;
    height: 4px;
    background: var(--accent);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-gray);
}

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

a:hover {
    color: var(--text-white);
}

ul, ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* --- Buttons --- */
.cta-button, .submit-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--button-gradient-start), var(--button-gradient-end));
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before, .submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--button-gradient-end), var(--button-gradient-start));
    transition: left var(--transition-medium);
    z-index: -1;
}

.cta-button:hover, .submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover::before, .submit-button:hover::before {
    left: 0;
}

.cta-button:active, .submit-button:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.cta-nav {
    background: var(--accent);
    color: var(--dark-bg) !important;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.cta-nav:hover {
    background: var(--text-white);
    color: var(--dark-bg) !important;
}

/* --- Header --- */
.site-header {
    background-color: var(--header-bg);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    color: var(--text-white);
    font-weight: bold;
    font-size: 1.5rem;
}

.logo-svg {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-xs);
}

.site-name {
    background: linear-gradient(to right, var(--accent), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: var(--spacing-md);
}

.nav-item a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-item a:hover, .nav-item.active a {
    color: var(--accent);
}

.mobile-menu-toggle {
    display: block;
    z-index: 2000;
}

#menu-toggle {
    display: none;
}

.menu-icon {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 24px;
    width: 30px;
}

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

#menu-toggle:checked ~ .menu-icon .bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

#menu-toggle:checked ~ .menu-icon .bar:nth-child(2) {
    opacity: 0;
}

#menu-toggle:checked ~ .menu-icon .bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--section-bg);
    padding: var(--spacing-md) 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    z-index: 900;
}

#menu-toggle:checked ~ .mobile-nav {
    display: block;
    animation: slideDown var(--transition-medium);
}

#mobile-navigation {
    display: none;
}

#menu-toggle:checked ~ #mobile-navigation {
    display: block;
    animation: slideDown var(--transition-medium);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-item a {
    color: var(--text-white);
    display: block;
    font-size: 1.1rem;
}

.mobile-nav-item.active a, .mobile-nav-item a:hover {
    color: var(--accent);
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* --- Hero Section --- */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(26, 26, 46, 0.5) 0%, rgba(16, 24, 32, 0.9) 100%);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    animation: fadeInDown 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out;
}

.hero-section .cta-button {
    animation: fadeIn 1.5s ease-out;
}

@keyframes fadeInDown {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* --- Section Styles --- */
section {
    padding: var(--spacing-xl) 0;
}

section:nth-child(odd) {
    background-color: var(--dark-bg);
}

section:nth-child(even) {
    background-color: var(--section-bg);
}

/* About Section */
.about-section {
    padding: var(--spacing-xl) 0;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-text, .about-image {
    flex: 1;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-medium);
}

.about-image:hover img {
    transform: scale(1.03);
}

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

.service-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to bottom, var(--accent), transparent);
    opacity: 0.1;
    transition: height var(--transition-medium);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    margin-bottom: var(--spacing-sm);
}

.icon {
    width: 48px;
    height: 48px;
    fill: var(--accent);
}

/* Why Us Section */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.why-us-item {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-fast);
}

.why-us-item:hover {
    transform: translateY(-5px);
}

.why-us-icon {
    margin-bottom: var(--spacing-sm);
}

/* Process Section */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 18px;
    height: 100%;
    width: 4px;
    background: var(--accent);
    z-index: 1;
}

.process-step {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-md);
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 2;
    box-shadow: 0 0 0 4px var(--dark-bg);
}

.process-step h3 {
    margin-bottom: var(--spacing-xs);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-fast);
}

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

.testimonial-content {
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-md);
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--accent);
    font-family: Georgia, serif;
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: var(--spacing-sm);
    border: 2px solid var(--accent);
}

.author-info h4 {
    margin-bottom: 0;
}

.author-info p {
    font-size: 0.9rem;
    margin-bottom: 0;
    opacity: 0.7;
}

/* Contact Form Section */
.contact-section {
    background-color: var(--section-bg);
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

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

input, textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    font-family: inherit;
    transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid rgba(254, 231, 21, 0.6);
    border-radius: var(--radius-sm);
    background-color: var(--card-bg);
    color: var(--text-white);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: border var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%23FEE715' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(254, 231, 21, 0.3);
}

/* Custom checkbox styling */
.checkbox-field {
    display: flex;
    align-items: center;
}

.checkbox-field input {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-xs);
}

.checkbox-field label {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Thank You Page */
.thank-you-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.thank-you-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.thank-you-icon {
    margin-bottom: var(--spacing-md);
}

.icon-large {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.message {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.next-steps {
    margin: var(--spacing-lg) 0;
}

.steps-list {
    list-style: none;
    padding: 0;
    text-align: left;
}

.steps-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 50px;
    position: relative;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    background: var(--accent);
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
}

.return-home {
    margin-top: var(--spacing-md);
}

/* Policy Pages */
.policy-section {
    min-height: 70vh;
    padding: var(--spacing-xl) 0;
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.policy-date {
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
    font-style: italic;
}

.policy-text h2 {
    margin-top: var(--spacing-md);
}

.policy-text ul, .policy-text ol {
    margin-bottom: var(--spacing-md);
}

.cookies-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.cookies-table th, .cookies-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cookies-table th {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent);
}

/* Footer */
.site-footer {
    background-color: var(--dark-bg);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.footer-description {
    margin-bottom: var(--spacing-sm);
}

.contact-list, .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-list li, .footer-links li {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
}

.contact-list .icon {
    width: 20px;
    height: 20px;
    fill: var(--accent);
    margin-right: var(--spacing-xs);
    flex-shrink: 0;
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: var(--section-bg);
    padding: var(--spacing-md);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    transition: bottom var(--transition-medium);
}

.cookie-popup.show {
    bottom: 0;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

#accept-cookies {
    background-color: var(--accent);
    color: var(--dark-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: bold;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

#accept-cookies:hover {
    background-color: var(--text-white);
}

/* --- Responsive Styles --- */
/* Tablet (768px and up) */
@media screen and (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .services-grid, .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        flex-direction: row;
    }
    
    .process-timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .process-step {
        padding-left: 0;
        width: 50%;
        margin-left: 50%;
        padding-left: var(--spacing-lg);
    }
    
    .process-step:nth-child(even) {
        margin-left: 0;
        padding-left: 0;
        padding-right: var(--spacing-lg);
        text-align: right;
    }
    
    .process-step:nth-child(even) .step-number {
        left: auto;
        right: 0;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Desktop (992px and up) */
@media screen and (min-width: 992px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .main-nav {
        display: block;
    }
    
    /* Hide mobile navigation on desktop regardless of checkbox state */
    .mobile-nav, #mobile-navigation {
        display: none !important;
    }
    
    .services-grid, .why-us-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
}

/* --- Animations --- */
@keyframes floatUp {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 1s ease-out forwards;
}

.animate-float-up {
    animation: floatUp 1s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Delay classes */
.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}