/* Variables CSS (Couleurs Tech / Startup) */
:root {
    --primary-color: #0052cc;
    --primary-light: #4c9aff;
    --primary-dark: #003d99;
    --secondary-color: #00d084;
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #ffffff;
    --bg-light: #f4f5f7;
    --danger-color: #e63946;
    --border-color: #dfe1e6;
    --header-height: 80px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: #172b4d;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 15px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 82, 204, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Header & Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

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

.nav-links li a:hover, .nav-links li a.active {
    color: var(--primary-color);
}

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

.nav-links li a:hover::after, .nav-links li a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-switcher:hover {
    background: var(--primary-color);
    color: #fff;
}

.lang-switcher i {
    font-size: 1rem;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    color: #172b4d;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f4f5f7 0%, #e0eafc 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--primary-color), #00c6ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: right;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

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

/* Pricing Section */
.pricing {
    background-color: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: 'Recommandé';
    position: absolute;
    top: 15px;
    right: -35px;
    background: var(--primary-color);
    color: #fff;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: #172b4d;
    margin: 20px 0;
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: normal;
}

.pricing-features {
    text-align: left;
    margin: 30px 0;
}

.pricing-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li i {
    color: var(--secondary-color);
}

.pricing-features li.disabled {
    color: #a0aabf;
}

.pricing-features li.disabled i {
    color: #a0aabf;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    max-width: 100%;
    border-radius: 20px;
}

/* Contact Section */
.contact-wrapper {
    display: flex;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    overflow: hidden;
}

.contact-info {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 50px;
    color: #fff;
}

.contact-info h3 {
    color: #fff;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    margin-top: 5px;
}

.contact-form {
    flex: 1.5;
    padding: 50px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #172b4d;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-main);
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* FAQ Section */
.faq {
    background-color: var(--bg-light);
}

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

.faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #172b4d;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 500px; /* Arbitrary large value */
}

/* Footer */
footer {
    background-color: #0a192f;
    color: #a0aabf;
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-col.brand h3 {
    color: var(--primary-light);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-col p {
    margin-bottom: 20px;
}

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

.footer-links a {
    color: #a0aabf;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Page Header (for interior pages) */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f4f5f7 0%, #e0eafc 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #172b4d;
}

/* Legal Content */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.legal-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p, .legal-content ul {
    margin-bottom: 20px;
}

.legal-content ul {
    list-style-type: disc;
    margin-left: 20px;
}

/* Store Buttons */
.store-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-store {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #111;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-store:hover {
    background: #333;
    color: #fff;
    transform: translateY(-2px);
}

.btn-store i {
    font-size: 1.8rem;
}

.btn-store .store-texts {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-store .store-texts span {
    font-size: 0.7rem;
    text-transform: uppercase;
}

.btn-store .store-texts strong {
    font-size: 1.1rem;
    line-height: 1.1;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content, .about-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text, .hero-image, .about-text, .about-image {
        width: 100%;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 10px rgba(0,0,0,0.05);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .contact-wrapper {
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }
    
    .pricing-grid {
        max-width: 100%;
    }
}