/* 
 * Main Stylesheet for domain.com
 * Financial Audit Services Website
 * Colors:
 * - Gradient: #00B4DB (lázurny) to #8E2DE2 (fioletovy)
 * - Background: #1A1A2E (deep coal blue)
 * - Text: #F5F5F5 (ivory)
 * - Accents: #FF2E63 (neon pink) and #FFD700 (gold)
 * - Buttons: #2FF3E0 (bright emerald)
 */

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

:root {
    --color-bg: #1A1A2E;
    --color-text: #F5F5F5;
    --color-accent-1: #FF2E63;
    --color-accent-2: #FFD700;
    --color-button: #2FF3E0;
    --gradient-1: linear-gradient(135deg, #00B4DB 0%, #8E2DE2 100%);
    --max-width: 1200px;
    --border-radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 2rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.5rem;
    width: 60px;
    height: 4px;
    background: var(--color-accent-1);
    border-radius: var(--border-radius);
}

h3 {
    font-size: 1.75rem;
    color: var(--color-accent-2);
}

p {
    margin-bottom: 1.5rem;
}

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

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

/* List styles */
ul, ol {
    margin-bottom: 1.5rem;
    list-style-position: inside;
}

li {
    margin-bottom: 0.5rem;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-text);
}

/* Desktop Menu */
nav {
    height: 100%;
    display: flex;
    align-items: center;
}

.desktop-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    height: 100%;
    align-items: center;
    margin: 0;
}

.desktop-menu a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.burger {
    width: 30px;
    height: 3px;
    background-color: var(--color-text);
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    transition: var(--transition);
}

.burger::before,
.burger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.burger::before {
    top: -8px;
}

.burger::after {
    bottom: -8px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    background-color: rgba(26, 26, 46, 0.98);
    overflow: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    height: 100vh;
    padding: 2rem 0;
}

.mobile-menu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    margin-bottom: 1.5rem;
    text-align: center;
}

.mobile-menu a {
    font-size: 1.5rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--color-button);
    color: var(--color-bg);
    font-weight: bold;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background: var(--gradient-1);
    color: var(--color-text);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-outline:hover {
    background-color: var(--color-button);
    color: var(--color-bg);
}

/* Main content */
main {
    padding-top: 80px; /* Height of the header */
}

/* Hero Section */
.hero {
    position: relative;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('./img/4dnPhc.jpg') no-repeat center center/cover;
    opacity: 0.2;
    z-index: -1;
}

.hero-content {
    max-width: 600px;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* About Section */
.about {
    padding: 5rem 0;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0.05;
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
    z-index: -1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.about-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

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

/* Services Section */
.services {
    padding: 5rem 0;
    background-color: rgba(0, 0, 0, 0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 0.1;
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--color-accent-2);
    margin-bottom: 1rem;
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background-color: rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    background-color: rgba(0, 0, 0, 0.3);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(47, 243, 224, 0.1);
    border-radius: 50%;
    margin-bottom: 1rem;
    color: var(--color-accent-2);
    font-size: 1.5rem;
}

/* Process Section */
.process {
    padding: 5rem 0;
    background-color: rgba(0, 0, 0, 0.1);
}

.process-image {
    max-width: 800px;
    margin: 0 auto 3rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.process-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.process-image:hover img {
    transform: scale(1.02);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    position: relative;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.process-step:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow);
}

.step-number {
    position: absolute;
    top: -1.5rem;
    left: -1.5rem;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-1);
    color: var(--color-text);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.25rem;
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
}

.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 2rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition);
}

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

.testimonial::before {
    content: '"';
    position: absolute;
    top: 0.5rem;
    left: 1rem;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-author {
    font-weight: bold;
    color: var(--color-accent-2);
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: rgba(0, 0, 0, 0.1);
}

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

.faq-answer {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-info ul {
    list-style: none;
}

.contact-info li {
    margin-bottom: 1rem;
}

.contact-form {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition);
}

select.form-control {
    background-color: rgba(255, 255, 255, 0.3);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    font-weight: 500;
    color: white;
}

select.form-control option {
    background-color: #1A1A2E;
    color: white;
    padding: 10px;
    font-weight: 500;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-button);
    background-color: rgba(255, 255, 255, 0.15);
}

.form-check {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.form-check-input {
    margin-top: 0.3rem;
}

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

.form-check-label a {
    color: var(--color-accent-2);
    text-decoration: underline;
}

.form-check-label a:hover {
    color: var(--color-button);
}

.form-submit {
    margin-top: 1rem;
    width: 100%;
}

/* Footer */
footer {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about p {
    margin-top: 1rem;
    opacity: 0.8;
}

footer h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
}

footer h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.5rem;
    width: 40px;
    height: 3px;
    background: var(--color-accent-1);
    border-radius: var(--border-radius);
}

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

footer li {
    margin-bottom: 0.75rem;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    max-width: 350px;
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 9999;
    animation: fadeIn 0.5s ease forwards;
}

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

.cookie-content {
    padding: 1.5rem;
}

.cookie-content p {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

#accept-cookies {
    background-color: var(--color-button);
    color: var(--color-bg);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
}

#accept-cookies:hover {
    background: var(--gradient-1);
    color: var(--color-text);
}

/* Policy Pages */
.policy-page {
    padding: 5rem 0;
}

.policy-container {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 3rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
}

.policy-container h2 {
    margin-top: 3rem;
}

.policy-container h2:first-child {
    margin-top: 0;
}

.policy-container h3 {
    margin-top: 2rem;
}

.policy-container ul,
.policy-container ol {
    margin-left: 2rem;
}

/* Error Messages */
.error-message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    background-color: rgba(255, 46, 99, 0.1);
    border-left: 4px solid var(--color-accent-1);
    border-radius: var(--border-radius);
}

/* Success Messages */
.success-message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    background-color: rgba(47, 243, 224, 0.1);
    border-left: 4px solid var(--color-button);
    border-radius: var(--border-radius);
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .desktop-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .policy-container {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .service-card,
    .benefit-item,
    .process-step,
    .testimonial {
        padding: 1.5rem;
    }
    
    .cookie-popup {
        left: 1rem;
        right: 1rem;
        max-width: calc(100% - 2rem);
    }
}