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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.form-container {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1 {
    font-size: 28px;
    font-weight: 600;
    color: #2d3748;
    text-align: center;
    margin-bottom: 8px;
}

.subtitle {
    color: #718096;
    text-align: center;
    margin-bottom: 32px;
    font-size: 16px;
}

.contact-form {
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #4a5568;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s ease;
    background: #fafafa;
}

input:focus {
    outline: none;
    border-color: #25d366;
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: #25d366;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.submit-btn:hover {
    background: #22c55e;
    transform: translateY(-1px);
}

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

.submit-btn:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
    transform: none;
}

.whatsapp-contact {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

.whatsapp-contact p {
    color: #718096;
    margin-bottom: 16px;
    font-size: 14px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #25d366;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.whatsapp-btn:hover {
    background: #22c55e;
    transform: translateY(-1px);
}

.whatsapp-icon {
    font-size: 18px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    max-width: 400px;
    margin: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-content h2 {
    margin-bottom: 16px;
    font-size: 24px;
}

.modal-content p {
    color: #718096;
    margin-bottom: 8px;
}

.modal-actions {
    margin-top: 24px;
}

.whatsapp-redirect-btn {
    background: #25d366;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.whatsapp-redirect-btn:hover {
    background: #22c55e;
}

.close-btn {
    background: #e2e8f0;
    color: #4a5568;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: #cbd5e0;
}

.modal-content.error h2 {
    color: #e53e3e;
}

/* Responsive */
@media (max-width: 600px) {
    .form-container {
        padding: 24px;
        margin: 10px;
    }
    
    h1 {
        font-size: 24px;
    }
}