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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.container {
    text-align: center;
    max-width: 500px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    margin-bottom: 2rem;
}

.logo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.content h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.content p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.email-form {
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group input {
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.input-group button {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    background: white;
    color: #2563eb;
    cursor: pointer;
    transition: all 0.3s ease;
}

.input-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.input-group button:active {
    transform: translateY(0);
}

.message {
    padding: 0.75rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.message.show {
    opacity: 1;
}

.message.success {
    background: rgba(34, 197, 94, 0.2);
    color: #dcfce7;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.footer {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.social-link {
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    padding: 0.8rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.social-link svg {
    width: 28px;
    height: 28px;
    filter: brightness(1.2);
}

/* Style pour le lien Worldvelopers */
.footer a {
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 1 !important;
}

/* Logo placeholder when image fails to load */
.logo-fallback {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    margin: 0 auto 1rem auto;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

@media (min-width: 768px) {
    .input-group {
        flex-direction: row;
    }
    
    .input-group input {
        flex: 1;
    }
    
    .input-group button {
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .content h2 {
        font-size: 1.5rem;
    }
    
    .content p {
        font-size: 1rem;
    }
}