:root {
    --color-blc: #f3f7ff;
    --color-a2: #002f64;
    --color-a1: #002fb4;
    --color-gold: #e6e631;
    --color-white: #ffffff;
    --color-success: #10b981;
    --color-error: #e74c3c;
    --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --bg-tarjeta: rgba(255, 255, 255, 0.95);
    --transition-vanguard: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.container-support {
    max-width: 950px;
    margin: auto;
    padding: 30px 20px;
}

.card-support {
    background: var(--bg-tarjeta);
    padding: 30px;
    border-radius: 18px;
    box-shadow: var(--shadow-card);
}

.title {
    text-align: center;
    color: var(--color-a2);
    margin-bottom: 25px;
}

/* GRID */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

/* CAMPOS */
.field-group {
    display: flex;
    flex-direction: column;
}

.field-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-a2);
    margin-bottom: 5px;
}

.field-group label span {
    color: var(--color-error);
}

/* INPUTS */
input, select, textarea {
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #ddd;
    transition: var(--transition-vanguard);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--color-a1);
    box-shadow: 0 0 0 3px rgba(0, 47, 180, 0.15);
    outline: none;
}

/* SECCIONES */
.form-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid rgba(0, 47, 100, 0.1);
}

.form-section h3 {
    color: var(--color-a1);
}

/* BOTÓN */
.btn-submit {
    margin-top: 20px;
    padding: 14px;
    width: 100%;
    background: linear-gradient(135deg, var(--color-a2), var(--color-a1));
    color: var(--color-white);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-vanguard);
}

.btn-submit:hover {
    transform: translateY(-2px);
}

.btn-submit:disabled {
    background: #999;
}

/* UTIL */
.hidden {
    display: none;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}