/* 
 * Domain - Audit Financier 
 * CSS Principal
 */

/* ===== Variables globales ===== */
:root {
    /* Couleurs principales selon le brief */
    --primary-bg: #101820;         /* Fond principal - très foncé siene-gris */
    --accent-yellow: #FEE715;      /* Accent jaune vif */
    --accent-teal: #12CBC4;        /* Accent turquoise */
    --accent-orange: #F79F1F;      /* Accent orange */
    --text-light: #F4F4F4;         /* Texte blanc-gris */
    --text-lighter: #EEEEEE;       /* Texte gris-blanc */
    
    /* Couleurs dérivées */
    --dark-secondary: #1a242f;     /* Fond secondaire légèrement plus clair */
    --footer-bg: #0d1419;          /* Fond du pied de page, plus foncé */
    --light-gray: #e0e0e0;         /* Gris clair pour les bordures */
    --medium-gray: #666666;        /* Gris moyen pour textes moins importants */
    --overlay-dark: rgba(16, 24, 32, 0.85); /* Overlay semi-transparent */
    
    /* Dimensions et espacement */
    --container-width: 1280px;
    --section-spacing: 6rem;
    --element-spacing: 2rem;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --neomorph-shadow: 6px 6px 12px rgba(0, 0, 0, 0.3), 
                      -6px -6px 12px rgba(40, 50, 60, 0.1);
}

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

html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* Смещение якорей вверх, чтобы учесть фиксированную шапку */
}

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

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

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

a:hover {
    color: var(--accent-yellow);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 4.2rem;
}

h2 {
    font-size: 3.6rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
    text-align: center; /* Центрирование всех заголовков h2 */
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%; /* Центрирование полоски под заголовком */
    transform: translateX(-50%);
    height: 4px;
    width: 80px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-teal));
    border-radius: 2px;
}

h3 {
    font-size: 2.4rem;
}

p {
    margin-bottom: 2rem;
}

ul, ol {
    list-style: none;
}

button, .button, .cta-button, .submit-button {
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1.6rem;
    transition: all 0.3s ease;
}

/* ===== Layout et conteneurs ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

.section-title-center {
    text-align: center;
}

.section-title-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ===== En-tête et navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(16, 24, 32, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--text-light);
}

.company-name {
    font-size: 2.2rem;
    font-weight: 700;
    margin-left: 1rem;
    background: linear-gradient(45deg, var(--accent-yellow), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav .nav-links {
    display: flex;
}

.main-nav .nav-links li {
    margin-left: 2rem;
}

.main-nav .nav-links a {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
}

.main-nav .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-teal));
    transition: width 0.3s ease;
}

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

.nav-cta {
    background-color: var(--accent-yellow);
    color: var(--primary-bg) !important;
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background-color: var(--accent-teal);
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 2.4rem;
    text-decoration: none;
}

/* ===== Section Hero ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(16, 24, 32, 0.7), rgba(16, 24, 32, 0.7)), url('../img/RjcmnK.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 8rem;
    text-align: center; /* Центрирование текста */
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

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

.hero-subtitle {
    font-size: 2rem;
    margin-bottom: 3rem;
}

/* Скрываем div с изображением, так как теперь картинка на фоне */
.hero-image {
    display: none;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange));
    color: var(--primary-bg);
    font-weight: 600;
    padding: 1.2rem 2.4rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
    color: var(--primary-bg);
}

/* ===== Section À propos ===== */
.about-section {
    background-color: var(--dark-secondary);
    overflow: hidden;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--neomorph-shadow);
}

/* ===== Section Services (Cartes) ===== */
.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.service-card {
    background-color: var(--dark-secondary);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    box-shadow: var(--neomorph-shadow);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(254, 231, 21, 0.1), rgba(18, 203, 196, 0.1));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.service-card:hover::before {
    opacity: 1;
}

.card-icon {
    margin: 0 auto 2rem;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background-color: rgba(254, 231, 21, 0.1);
}

/* ===== Section Avantages ===== */
.advantages-section {
    background-color: var(--dark-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    background-color: var(--primary-bg);
    box-shadow: var(--neomorph-shadow);
    transition: transform 0.3s ease;
}

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

.advantage-icon {
    min-width: 50px;
}

/* ===== Section Processus (Étapes) ===== */
.process-timeline {
    position: relative;
    margin: 6rem 0 4rem;
    padding-left: 4rem;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-yellow), var(--accent-teal));
}

.process-step {
    position: relative;
    margin-bottom: 4rem;
    padding-bottom: 2rem;
}

.step-number {
    position: absolute;
    left: -4rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-orange));
    color: var(--primary-bg);
    font-weight: 700;
    font-size: 2rem;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.step-content {
    background-color: var(--dark-secondary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--neomorph-shadow);
}

/* ===== Section Témoignages ===== */
.testimonials-section {
    background-color: var(--dark-secondary);
}

.testimonials-slider {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.testimonial-item {
    background-color: var(--primary-bg);
    border-radius: var(--border-radius);
    padding: 3rem 2.5rem;
    box-shadow: var(--neomorph-shadow);
    transition: transform 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 2.5rem;
}

.testimonial-content p {
    font-style: italic;
    position: relative;
    padding: 0 2rem;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    font-size: 4rem;
    color: var(--accent-yellow);
    position: absolute;
    opacity: 0.4;
}

.testimonial-content p::before {
    top: -2rem;
    left: 0;
}

.testimonial-content p::after {
    bottom: -4rem;
    right: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-teal);
}

.author-info h4 {
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.author-info p {
    margin: 0;
    color: var(--medium-gray);
    font-size: 1.4rem;
}

/* ===== Section FAQ ===== */
.faq-container {
    margin-top: 4rem;
}

.faq-item {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--dark-secondary);
    box-shadow: var(--neomorph-shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2.5rem;
    cursor: pointer;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.8rem;
    flex: 1;
}

.faq-toggle {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--accent-yellow);
    color: var(--primary-bg);
    font-weight: bold;
    font-size: 2rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
}

.faq-answer {
    padding: 0 2.5rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== Section Formulaire ===== */
.contact-section {
    background-color: var(--dark-secondary);
}

.contact-form {
    max-width: 800px;
    margin: 4rem auto 0;
    padding: 4rem;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--neomorph-shadow);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-teal), var(--accent-orange));
    animation: gradient 10s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background-color: var(--dark-secondary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-family: inherit;
    font-size: 1.6rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 2px rgba(18, 203, 196, 0.3);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.4rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 1.4rem;
}

.submit-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-teal));
    color: var(--primary-bg);
    font-weight: 600;
    font-size: 1.8rem;
    padding: 1.4rem 2.8rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

/* ===== Pied de page ===== */
.site-footer {
    background-color: var(--footer-bg); /* Изменен цвет подвала на более темный */
    padding: 6rem 0 0;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.3); /* Добавлена тень для визуального отделения */
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.footer-info h3,
.footer-links h3,
.footer-legal h3 {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    position: relative;
}

.footer-info h3::after,
.footer-links h3::after,
.footer-legal h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-teal));
}

.footer-links ul li,
.footer-legal ul li {
    margin-bottom: 1rem;
}

.footer-bottom {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 1.4rem;
    color: var(--medium-gray);
}

/* ===== Cookie Popup ===== */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 400px;
    padding: 2rem;
    background-color: var(--dark-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    display: none;
    animation: slide-up 0.5s ease-out forwards;
}

@keyframes slide-up {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.cookie-content p {
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

#accept-cookies {
    background-color: var(--accent-yellow);
    color: var(--primary-bg);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

#accept-cookies:hover {
    background-color: var(--accent-teal);
}

/* ===== Adaptativité (Media Queries) ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    h1 { font-size: 3.6rem; }
    h2 { font-size: 3rem; }
    h3 { font-size: 2.2rem; }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .about-content {
        flex-direction: column-reverse;
        gap: 4rem;
    }
    
    .about-image {
        justify-content: center;
        margin-top: 0;
        margin-bottom: 3rem;
    }
    
    .service-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 56.25%; /* 1rem = 9px */
    }
    
    .container {
        max-width: 540px;
    }
    
    .service-cards, 
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-bg);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.2);
        display: none; /* По умолчанию меню скрыто */
    }
    
    .nav-links.show {
        display: flex; /* Показываем меню только при наличии класса .show */
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .contact-form {
        padding: 3rem 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 50%; /* 1rem = 8px */
    }
    
    section {
        padding: 4rem 0;
    }
    
    .advantage-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .hero-section {
        min-height: auto;
        padding-top: 12rem;
        padding-bottom: 6rem;
    }
}