/* =========================================
   ESTILOS ESPECÍFICOS DE FORMULARIO
   ========================================= */

.registration-section {
    padding: 140px 0 100px;
    background: radial-gradient(circle at top center, #1a0508 0%, var(--bg-body) 70%);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding-bottom: 20px;
}

.form-header h1 {
    font-size: 3.5rem;
    margin: 0;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.registration-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-heading);
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.form-group input {
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: 4px;
    color: white;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

/* Custom Checkboxes */
.checkbox-group {
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-container {
    display: block;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-muted);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: #0a0a0a;
    border: 1px solid var(--accent);
    border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #1a1a1a;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.form-footer {
    text-align: center;
    margin-top: 40px;
}

.form-footer .btn-primary {
    width: 100%;
    max-width: 300px;
    padding: 15px;
    border: none;
    cursor: pointer;
}

/* Responsivo */
@media (max-width: 768px) {
    .form-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .form-header h1 { font-size: 2.5rem; }
    .form-grid { grid-template-columns: 1fr; }
    .registration-container { padding: 30px 20px; }
}