/* Registration Section Styles */
.registration-section {
    padding: 5rem 1rem;
    background: linear-gradient(135deg, #0f0f1e 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.registration-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.registration-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

/* Interest Info Section */
.interest-info {
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-highlights {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.highlight-date {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.highlight-month {
    font-size: 0.9rem;
    color: var(--secondary);
    margin: 0.5rem 0;
    font-weight: 600;
    letter-spacing: 1px;
}

.highlight-year {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.highlight-divider {
    width: 1px;
    height: 80px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.highlight-info p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.highlight-info strong {
    color: var(--accent);
    font-weight: 600;
}

.registration-form {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
}

.form-title {
    color: var(--secondary);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--light);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

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


.form-message {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: none;
    animation: slideDown 0.3s ease;
}

.form-message.success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #81c784;
    display: block;
}

.form-message.error {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: #ef5350;
    display: block;
}

.btn-submit {
    width: 100%;
    padding: 1.1rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, #ff4545 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

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

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.form-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}


/* Mobile Responsiveness */
@media (max-width: 768px) {
    .registration-section {
        padding: 3rem 1rem;
    }
    
    .registration-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .interest-info {
        padding: 0;
    }
    
    .event-highlights {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .highlight-divider {
        width: 80px;
        height: 1px;
    }
    
    .highlight-date {
        font-size: 2rem;
    }
    
    .registration-form {
        padding: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .form-title {
        font-size: 1.1rem;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}