/* ===================================
   CSS Variables - Цветовая палитра
   =================================== */
:root {
    --primary-color: #00CED1;        /* Электрик-бирюзовый */
    --accent-color: #D891EF;         /* Неоново-лавандовый */
    --background-color: #1C1C1C;     /* Графитовый */
    --text-color: #F0F8FF;           /* Светлый перламутровый */
    --white: #FFFFFF;
    --dark: #000000;
    --gray-light: #2A2A2A;
    --gray-medium: #404040;
    --gray-dark: #151515;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-dark: linear-gradient(135deg, var(--background-color), var(--gray-light));
    
    /* Тени */
    --shadow-light: 0 4px 6px rgba(0, 206, 209, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 206, 209, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 206, 209, 0.2);
    --shadow-glow: 0 0 20px rgba(216, 145, 239, 0.3);
    
    /* Анимации */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Reset и базовые стили
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ===================================
   Типография
   =================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
    color: var(--accent-color);
}

p {
    margin-bottom: 1rem;
    color: var(--text-color);
    opacity: 0.9;
}

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

a:hover {
    color: var(--accent-color);
    text-shadow: var(--shadow-glow);
}

/* ===================================
   Conteneur et grille
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===================================
   Header et Navigation
   =================================== */
.site-header {
    background: var(--gradient-dark);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
    border-bottom: 1px solid var(--primary-color);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--shadow-glow);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition-medium);
    position: relative;
}

.nav-link:hover {
    background: rgba(0, 206, 209, 0.1);
    transform: translateY(-2px);
}

.nav-cta {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-light);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    color: var(--white);
}

/* Mobile Menu Toggle */
.menu-toggle-checkbox {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition-medium);
    border-radius: 2px;
}

.menu-overlay {
    display: none;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    margin-top: 80px;
    padding: 4rem 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 206, 209, 0.1), transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(216, 145, 239, 0.1), transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: var(--shadow-glow);
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-image {
    text-align: center;
    animation: slideInRight 0.8s ease;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
    transition: var(--transition-slow);
}

.hero-image img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   Boutons CTA
   =================================== */
.cta-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-light);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
    color: var(--white);
}

/* ===================================
   Sections générales
   =================================== */
section {
    padding: 4rem 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--gray-dark);
}

section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

/* ===================================
   Section À Propos
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-slow);
}

.about-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

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

.advantage-card {
    background: var(--gray-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-medium);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: -1;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

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

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.advantage-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.service-card {
    background: var(--gray-light);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-medium);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card.featured {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.service-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 200px;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    border-radius: 10px;
}

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

.service-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card ul {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
}

.service-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-cta {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-medium);
    display: inline-block;
    margin-top: 1rem;
}

.service-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: var(--white);
}

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

.step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===================================
   FAQ Section [[memory:4354345]]
   =================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--gray-light);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-medium);
}

.faq-toggle {
    display: none;
}

.faq-question {
    display: block;
    padding: 1.5rem;
    cursor: pointer;
    background: var(--gray-light);
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    width: 100%;
    text-align: left;
    position: relative;
    transition: var(--transition-medium);
}

.faq-question:hover {
    background: var(--gray-medium);
    color: var(--primary-color);
}

.faq-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: var(--transition-medium);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: var(--gray-medium);
}

.faq-answer p {
    padding: 0 1.5rem;
    color: var(--text-color);
}

.faq-toggle:checked + .faq-question {
    background: var(--gray-medium);
    color: var(--primary-color);
}

.faq-toggle:checked + .faq-question .faq-icon {
    transform: translateY(-50%) rotate(180deg);
}

.faq-toggle:checked + .faq-question + .faq-answer {
    max-height: 200px;
    padding: 1.5rem 0;
}

/* ===================================
   Formulaire de Contact
   =================================== */
.contact-form {
    background: var(--gray-dark);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 206, 209, 0.05), transparent 70%);
    pointer-events: none;
}

.form {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-medium);
    border-radius: 10px;
    background: var(--gray-light);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition-medium);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 209, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
    transform: scale(1.2);
    accent-color: var(--primary-color);
}

.checkbox-group label {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.submit-button {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1.25rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-light);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* Messages de formulaire */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    border: 2px solid #dc3545;
    color: #dc3545;
}

.form-message.success {
    background: rgba(40, 167, 69, 0.1);
    border: 2px solid #28a745;
    color: #28a745;
}

.form-message p {
    margin: 0;
    color: inherit;
}

/* ===================================
   Contact Info
   =================================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    text-align: center;
    padding: 2rem;
    background: var(--gray-light);
    border-radius: 15px;
    transition: var(--transition-medium);
}

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

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background: var(--gray-dark);
    border-top: 1px solid var(--primary-color);
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-color);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-medium);
    color: var(--text-color);
    opacity: 0.8;
}

/* ===================================
   Cookie Banner
   =================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-dark);
    backdrop-filter: blur(10px);
    border-top: 2px solid var(--primary-color);
    z-index: 9999;
    padding: 1.5rem;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: var(--shadow-heavy);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-content p {
    margin: 0;
    color: var(--text-color);
    flex: 1;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cookie-accept {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-medium);
}

.cookie-accept:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.cookie-learn-more {
    color: var(--accent-color);
    text-decoration: underline;
    font-size: 0.9rem;
}

/* ===================================
   Pages légales
   =================================== */
.legal-page {
    margin-top: 80px;
    padding: 3rem 0;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.legal-content section {
    margin-bottom: 2.5rem;
    padding: 0;
}

.legal-content h2 {
    color: var(--primary-color);
    text-align: left;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.legal-content h3 {
    color: var(--accent-color);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.legal-content ul,
.legal-content ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.legal-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-medium);
    text-align: center;
}

.back-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--accent-color);
}

/* ===================================
   Page de remerciement
   =================================== */
.thank-you-page {
    margin-top: 80px;
    padding: 3rem 0;
    background: var(--gradient-dark);
    min-height: calc(100vh - 80px);
}

.thank-you-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.thank-you-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    animation: bounce 1s ease;
}

.thank-you-message {
    margin-bottom: 3rem;
}

.next-steps {
    margin-bottom: 3rem;
}

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

.step-item {
    background: var(--gray-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-medium);
}

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

.step-item .step-number {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.step-time {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--gray-light);
    padding: 1.5rem;
    border-radius: 10px;
}

.info-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.info-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.info-link:hover {
    color: var(--accent-color);
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    color: var(--text-color);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===================================
   Animations
   =================================== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ===================================
   Media Queries - Responsivité
   =================================== */

/* Tablettes */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    /* Navigation mobile [[memory:4354345]] */
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--gradient-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        z-index: 999;
        backdrop-filter: blur(10px);
    }
    
    .nav-list {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem;
    }
    
    .menu-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 998;
    }
    
    /* États d'activation du menu mobile */
    .menu-toggle-checkbox:checked ~ .nav-menu {
        right: 0;
    }
    
    .menu-toggle-checkbox:checked ~ .menu-overlay {
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle-checkbox:checked ~ .menu-toggle .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle-checkbox:checked ~ .menu-toggle .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle-checkbox:checked ~ .menu-toggle .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero section */
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    /* Sections */
    section {
        padding: 3rem 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-timeline {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    /* Cookie banner */
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cookie-accept {
        width: 100%;
    }
}

/* Mobiles */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .advantage-card,
    .service-card,
    .contact-item {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 0.75rem;
    }
    
    .info-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .steps-grid,
    .contact-options,
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        width: 100%;
        right: -100%;
    }
}

/* ===================================
   Utilitaires
   =================================== */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mt-2 {
    margin-top: 2rem;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}