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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 4rem;
}

.headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subheadline {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 300;
    line-height: 1.7;
}

/* Content Section */
.content-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Features */
.features h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #333;
}

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

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9ff;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}


.feature-list strong {
    color: #667eea;
    font-weight: 600;
}

/* Email Form Section */
.email-form-section {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8eeff 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid #e1e5f3;
}

.email-form-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.email-form-section > p {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.email-form {
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#email {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid #e1e5f3;
    border-radius: 12px;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
}

#email:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    justify-content: center;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.form-note {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

/* Success Message */
.success-message {
    display: none;
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #c3e6cb;
}

.success-message.show {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.success-icon {
    font-weight: bold;
    font-size: 1.2rem;
}


/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-link {
    padding: 0.5rem 0.8rem;
    text-decoration: none;
    color: #666;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lang-link:hover {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
}

.lang-link.active {
    background: #5B21B6;
    color: white;
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem 1rem;
    }

    .headline {
        font-size: clamp(2rem, 4vw, 3.5rem);
    }

    .hero-section {
        margin-bottom: 1rem;
    }

    .subheadline {
        margin-bottom: 1rem;
    }

    .email-form-section h3 {
        font-size: 1.5rem;
    }


    .content-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .feature-list li {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .language-switcher {
        gap: 0.3rem;
    }
    
    .lang-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .email-form-section {
        padding: 1.5rem;
    }
    
    .content-section {
        padding: 1.5rem 1rem;
    }
}