/**
 * Main Stylesheet for Spanish Financial Audit Website
 * Author: Professional Web Developer
 */

/* ---- Reset & Base Styles ---- */
:root {
    /* Color Palette */
    --color-background: #1B2631;  /* Dark Indigo */
    --color-primary: #FF6B6B;     /* Neon Coral */
    --color-secondary: #FFC312;   /* Bright Saffron */
    --color-support: #D6DBDF;     /* Light Graphite */
    --color-text: #FFFFFF;        /* White */
    
    /* Typography */
    --font-heading: 'Rubik', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Container Width */
    --container-width: 1200px;
    --container-padding: 2rem;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 4px;
    background-color: var(--color-primary);
}

h3 {
    font-size: 1.75rem;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title:after {
    left: 50%;
    transform: translateX(-50%);
}

/* Utility Classes */
.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #e45a5a;
    color: var(--color-text);
}

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

.btn-secondary:hover {
    background-color: #e0ac10;
    color: var(--color-background);
}

.btn-accent {
    background-color: var(--color-primary);
    color: var(--color-text);
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-accent:hover {
    background-color: #e45a5a;
}

/* ---- Header & Navigation ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(27, 38, 49, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-text);
    font-weight: 700;
    position: relative;
}

.main-nav a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

.btn-contact {
    background-color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.btn-contact:hover {
    background-color: #e45a5a;
}

.btn-contact:after {
    display: none;
}

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

.mobile-menu-toggle span {
    height: 3px;
    width: 100%;
    background-color: var(--color-text);
    border-radius: 3px;
}

/* ---- Main Content ---- */
.site-main {
    margin-top: 80px; /* Account for fixed header */
    background-image: url('../img/TB2R4l.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.site-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(27, 38, 49, 0.85);
    z-index: -1;
}

/* ---- Hero Section ---- */
.hero {
    height: 100vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    z-index: -1;
    animation: heroZoom 20s infinite alternate;
    filter: contrast(1.2) brightness(0.9);
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(27, 38, 49, 0.5) 0%, rgba(27, 38, 49, 0.9) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1.5s ease;
}

.hero-content.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

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

.hero h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subheading {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero .btn {
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

/* ---- About Section ---- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

/* ---- Benefits Section ---- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.benefit-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* ---- Services Section ---- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

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

.service-price {
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* ---- Process Section ---- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.process-step:not(:last-child):after {
    content: '';
    position: absolute;
    top: 30px;
    right: -50%;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    z-index: -1;
}

/* ---- Testimonials Section ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: var(--spacing-md);
    position: relative;
}

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

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

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ---- Contact Section ---- */
.contact-section {
    position: relative;
    background-color: rgba(27, 38, 49, 0.9);
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    background-image: linear-gradient(135deg, rgba(27, 38, 49, 0.9) 0%, rgba(27, 38, 49, 0.95) 100%), url('../img/TB2R4l.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-top: 4px solid var(--color-primary);
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.1) 0%, rgba(27, 38, 49, 0) 70%);
    z-index: 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.contact-info {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.contact-info:hover {
    transform: translateY(-5px);
}

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

.contact-form {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-5px);
}

.contact-form h3 {
    color: var(--color-primary);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #000000;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.3);
    background-color: rgba(255, 255, 255, 0.1);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: var(--spacing-sm);
}

.form-check input {
    margin-top: 5px;
    transform: scale(1.2);
}

.form-check label {
    font-size: 0.9rem;
}

.form-check a {
    text-decoration: underline;
}

.form-errors {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    background-color: rgba(255, 107, 107, 0.1);
    border-left: 3px solid var(--color-primary);
    padding: var(--spacing-sm);
    border-radius: 4px;
}

.contact-form button {
    width: 100%;
    padding: 0.75rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
}

.contact-form button:hover::before {
    left: 100%;
}

address p {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

address strong {
    color: var(--color-support);
    min-width: 80px;
    display: inline-block;
}

/* ---- Footer ---- */
.site-footer {
    background-color: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

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

.footer-about,
.footer-contact,
.footer-legal {
    padding-right: var(--spacing-md);
}

.footer-about h3,
.footer-contact h3,
.footer-legal h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ---- Cookie Banner ---- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    padding: var(--spacing-md);
    z-index: 2000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-width);
    margin: 0 auto;
}

.cookie-content p {
    margin-bottom: 0;
    margin-right: var(--spacing-md);
}

/* ---- Responsive Styles ---- */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .benefits-grid,
    .services-grid,
    .process-steps {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .process-step:not(:last-child):after {
        display: none;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 4rem;
    }
    
    .site-header {
        padding: 0.5rem 0;
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-background);
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
        visibility: hidden;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subheading {
        font-size: 1.25rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-content p {
        margin-right: 0;
        margin-bottom: var(--spacing-sm);
    }
}