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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #333549;
    min-height: 100vh;
    padding: 20px 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: #151a23;
    border-radius: 24px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.8);
    max-width: 900px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Brand Section */
.brand {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid #3b82f6;
}

.brand-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* Header Section */
.header {
    padding: 20px 30px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header h2 {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    line-height: 1.5;
}

/* Form Section */
form {
    padding: 25px 30px;
}

/* Form Grid - 2 Columns */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 25px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 13px;
}

.form-group label i {
    color: #3b82f6;
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* Toggle Buttons */
.toggle-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.toggle-btn {
    padding: 11px 16px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.toggle-btn i {
    font-size: 16px;
}

.toggle-btn:hover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
    color: #ffffff;
}

.toggle-btn.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-color: #3b82f6;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Info Message */
.info-message {
    background: rgba(245, 158, 11, 0.15);
    border-left: 4px solid #f59e0b;
    padding: 15px 18px;
    border-radius: 10px;
    margin: 20px 0 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-message i {
    color: #fbbf24;
    font-size: 20px;
    flex-shrink: 0;
}

.info-message p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    line-height: 1.6;
    font-weight: 500;
}

/* WhatsApp Button - Single */
.btn-whatsapp-single {
    width: 100%;
    padding: 15px 24px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #25D366 0%, #1da851 100%);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp-single i {
    font-size: 18px;
}

.btn-whatsapp-single:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp-single:active {
    transform: translateY(-1px);
}

/* Footer */
.footer {
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    margin: 0;
}

.footer i {
    color: #3b82f6;
    margin-right: 5px;
}

/* Loading Animation */
.btn-whatsapp-single.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-whatsapp-single.loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px 10px;
    }

    .container {
        border-radius: 20px;
    }

    .brand {
        padding: 18px 20px;
    }

    .brand-logo {
        height: 45px;
    }

    .header {
        padding: 18px 20px 12px;
    }

    .header h2 {
        font-size: 18px;
    }

    .header p {
        font-size: 12px;
    }

    form {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .toggle-buttons {
        gap: 10px;
    }

    .info-message {
        padding: 12px 15px;
        gap: 10px;
    }

    .info-message i {
        font-size: 18px;
    }

    .info-message p {
        font-size: 12px;
    }

    .btn-whatsapp-single {
        padding: 14px 20px;
        font-size: 14px;
    }

    .footer {
        padding: 12px 20px;
    }
}


/* Custom Select Arrow */
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 10px;
    padding-right: 35px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-group select option {
    background: #151a23;
    color: #ffffff;
}

/* Smooth transitions */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

button,
input,
select {
    transition: all 0.3s ease;
}