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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    width: 90%;
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
    position: relative;
}

.language-selector {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.language-selector select {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(79, 70, 229, 0.2);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    color: #374151;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.language-selector select:hover {
    border-color: rgba(79, 70, 229, 0.4);
    background: rgba(255, 255, 255, 1);
}

.language-selector select:focus {
    border-color: #4F46E5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.logo svg {
    filter: drop-shadow(0 4px 8px rgba(79, 70, 229, 0.2));
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #4F46E5, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.description {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 3rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.email-signup {
    background: rgba(79, 70, 229, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.signup-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 1.5rem;
}

.email-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
    flex-direction: column;
}

.email-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: white;
    transition: all 0.3s ease;
    outline: none;
}

.email-input:focus {
    border-color: #4F46E5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.subscribe-btn {
    padding: 0.875rem 2rem;
    background: linear-gradient(45deg, #4F46E5, #7C3AED);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.subscribe-btn:active {
    transform: translateY(0);
}

@media (min-width: 640px) {
    .email-form {
        flex-direction: row;
    }

    .container {
        padding: 4rem 3rem;
    }
}

.message {
    margin-top: 1rem;
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
}

.message-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.message-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

@media (max-width: 480px) {
    .logo-section {
        flex-direction: column;
        gap: 0.5rem;
    }

    .logo-text {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.3rem;
    }

    .container {
        padding: 2rem 1.5rem;
    }

    .language-selector {
        top: 0.5rem;
        right: 0.5rem;
    }

    .language-selector select {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
    }
}