/* Variables globales */
:root {
    --primary-color: #1E3A8A;
    --secondary-color: #DC2626;
    --light-bg: #f9fafb;
    --dark-text: #111827;
    --light-text: #f3f4f6;
    --gray-text: #6b7280;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--gray-text);
    font-size: 1.1rem;
}

/* Boutons */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.15);
}

/* Header */
.site-header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

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

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

.logo-svg {
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo h1 span {
    color: var(--secondary-color);
    font-weight: 400;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    font-weight: 500;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

nav ul li a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
}

.hamburger {
    width: 30px;
    height: 3px;
    background-color: var(--primary-color);
    position: relative;
    transition: var(--transition);
}

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

.hamburger:before {
    top: -10px;
}

.hamburger:after {
    bottom: -10px;
}

/* Hero section */
.hero-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    text-align: left;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-content .tagline {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero-content .description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-features {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.hero-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-features .feature svg {
    flex-shrink: 0;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Features section */
.features-section {
    padding: 80px 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.feature-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.feature-card h3 {
    text-align: center;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-text);
    text-align: center;
}

/* How it works section */
.how-section {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 80px;
    height: calc(100% - 30px);
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 30px;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-icon {
    margin-left: 30px;
    flex-shrink: 0;
}

.cta-container {
    text-align: center;
    margin-top: 40px;
}

/* FAQ section */
.faq-section {
    padding: 80px 0;
    background-color: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background-color: #f9fafb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    margin-bottom: 0;
    font-size: 1.2rem;
}

.toggle-icon {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

/* Footer */
footer {
    background-color: #111827;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-logo {
    flex: 1;
    min-width: 300px;
}

.logo-container {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo-svg {
    margin-right: 10px;
}

.logo-container p {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.logo-container p span {
    color: var(--secondary-color);
    font-weight: 400;
}

.footer-description {
    color: #9ca3af;
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-column h4:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    bottom: -8px;
    left: 0;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #9ca3af;
}

.footer-column ul li a:hover {
    color: white;
}

.copyright {
    border-top: 1px solid #1f2937;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* Media queries */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-section .container {
        flex-direction: column;
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
        text-align: center;
    }
    
    .hero-content .tagline,
    .hero-content .description {
        text-align: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-content .btn-primary {
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: white;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 200;
        padding: 80px 0;
    }
    
    nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .menu-toggle {
        display: block;
        z-index: 201;
    }
    
    .menu-toggle.active .hamburger {
        background-color: transparent;
    }
    
    .menu-toggle.active .hamburger:before {
        top: 0;
        transform: rotate(45deg);
    }
    
    .menu-toggle.active .hamburger:after {
        bottom: 0;
        transform: rotate(-45deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .step:not(:last-child)::after {
        left: 50%;
        top: 50px;
        height: calc(100% - 50px);
        transform: translateX(-50%);
    }
    
    .step-icon {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo {
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}