* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    overflow-x: hidden;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #dbc275;
    text-decoration: none;
    letter-spacing: 0.1em;
}

.nav-links {
    display: none;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #dbc275;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #1f07a8;
}

/* Menu hamburger */
.hamburger-menu {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger-menu span {
    width: 25px;
    height: 2px;
    background: #dbc275;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Menu mobile */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    text-align: center;
    transform: translateY(50px);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-menu.active .mobile-menu-content {
    transform: translateY(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.mobile-nav-link {
    font-size: 2.5rem;
    font-weight: 300;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.mobile-nav-link:hover {
    color: #dbc275;
    transform: translateY(-5px);
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #dbc275;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.mobile-nav-link:hover::after {
    width: 60px;
}

body.menu-open {
    overflow: hidden;
}

/* Page Header */
.page-header {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(25, 74, 155, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(73, 46, 137, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    max-width: 1600px;
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #dbc275 80%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: #94a3b8;
    line-height: 1.7;
    font-weight: 300;
}

/* Features Section */
.features-detailed {
    padding: 4rem 2rem;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    backdrop-filter: blur(20px);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #dbc275;
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #dbc275;
}

.feature-card p {
    color: #e2e8f0;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    color: #94a3b8;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.6;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #dbc275;
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(30, 64, 175, 0.1) 100%);
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(13, 2, 63, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(4, 18, 66, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section .container {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: 1rem;
    color: #dbc275;
}

.cta-section p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: #94a3b8;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: linear-gradient(135deg, #0e2888 0%, #202a57 100%);
    color: #dbc275;
    border: 2px solid #dbc275
    
}

.cta-button.secondary {
    background: transparent;
    color: #dbc275;
    border: 2px solid #dbc275;
}

.cta-button:hover {
    transform: translateY(-2px);
}

.cta-button.primary:hover {
    box-shadow: 0 10px 25px rgba(7, 4, 63, 0.3);
}

.cta-button.secondary:hover {
    background: #070232;
    color: #dbc275;
}

/* Footer */
footer {
    background: rgba(15, 23, 42, 0.95);
    padding: 3rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #dbc275;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.footer-content p {
    color: #94a3b8;
    margin-bottom: 2rem;
    font-weight: 300;
    line-height: 1.6;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: rgba(6, 182, 212, 0.2);
    color: #202a57;
    transform: translateY(-2px);
}

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

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    font-weight: 300;
}

.footer-links a:hover {
    color: #202a57;;
}

.copyright {
    color: #64748b;
    font-size: 0.8rem;
    font-weight: 300;
}

/* Success message */
.success-message {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    display: none;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.success-message.show {
    display: block;
    animation: slideIn 0.3s ease;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    /* Garder le menu hamburger visible même sur desktop */
    .hamburger-menu {
        display: flex;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1rem;
    }

    .page-header {
        padding: 6rem 1rem 3rem;
    }

    .features-detailed {
        padding: 3rem 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .cta-section {
        padding: 3rem 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }

    footer {
        padding: 2rem 1rem 1.5rem;
    }

    .social-links {
        gap: 0.75rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}