.contact-section {
    padding: 60px 0;
}

.contact-wrapper {
    display: flex;
    width: 100%;
    overflow: hidden;
    position: relative;
    gap: 0;
    align-items: flex-start;
}

/* --- Lado Izquierdo (Tarjetas) --- */
.contact-left {
    flex: 0 0 100%;
    transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    padding-right: 0;
}

.contact-left.collapsed {
    flex: 0 0 320px;
    padding-right: 40px;
    border-right: 1px solid var(--border-color);
}

.contact-left .section-header {
    text-align: left;
    margin-bottom: 32px;
}
.contact-left.collapsed .section-header h2 { font-size: 1.5rem; }
.contact-left.collapsed .section-header p { display: none; }

.contact-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.contact-left.collapsed .contact-cards-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.interactive-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    position: relative;
}

.interactive-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.interactive-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(27, 54, 93, 0.1);
}

.contact-left.collapsed .interactive-card {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 12px 16px;
}

.contact-left.collapsed .interactive-card h3 { font-size: 0.9rem; margin: 0; }
.contact-left.collapsed .interactive-card p { display: none; }

.card-icon {
    width: 48px;
    height: 48px;
    background-repeat: no-repeat;
    background-size: 200px auto;
    display: block;
    margin: 0 auto 12px auto;
}
.contact-left.collapsed .card-icon { margin: 0; width: 32px; height: 32px; }

.icon-b2b { background-position: 0px 0px; }
.icon-legales { background-position: -50px 0px; }
.icon-prensa { background-position: -100px 0px; }
.icon-soporte { background-position: -150px 0px; }

/* --- Lado Derecho (Formulario) --- */
.contact-right {
    flex: 0 0 0%;
    opacity: 0;
    overflow: hidden;
    transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s 0.1s;
    padding-left: 0;
}

.contact-right.expanded {
    flex: 1;
    opacity: 1;
    padding-left: 40px;
}

.elegant-form {
    background: var(--bg-surface);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
    max-width: 600px;
}

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

.elegant-form input,
.elegant-form textarea {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: transparent;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.elegant-form textarea { resize: vertical; min-height: 80px; }

.elegant-form input:focus,
.elegant-form textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(27, 54, 93, 0.1);
}

.elegant-form label {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.2s ease;
    color: var(--text-muted);
    pointer-events: none;
    background: transparent;
    font-size: 0.95rem;
}
.elegant-form textarea ~ label { top: 14px; transform: none; }

.elegant-form input:focus + label,
.elegant-form input:not(:placeholder-shown) + label,
.elegant-form textarea:focus + label,
.elegant-form textarea:not(:placeholder-shown) + label {
    top: -8px;
    left: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--bg-surface);
    padding: 0 4px;
}

.elegant-form .form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.elegant-form .form-checkbox input { width: auto; margin-top: 4px; }

.form-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-submit {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.2s ease;
}
.btn-submit:hover { background: var(--secondary); }

.btn-close-form {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: underline;
    transition: color 0.2s;
}
.btn-close-form:hover { color: var(--semantic-error); }

.form-feedback {
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 12px;
}
.form-feedback.success { background: rgba(16, 185, 129, 0.1); color: var(--semantic-success); }
.form-feedback.error { background: rgba(239, 68, 68, 0.1); color: var(--semantic-error); }

@media (max-width: 820px) {
    .contact-wrapper { flex-direction: column; }
    .contact-left.collapsed { flex: 1; padding-right: 0; border-right: none; margin-bottom: 20px; }
    .contact-left.collapsed .contact-cards-container { flex-direction: row; flex-wrap: wrap; }
    .contact-right.expanded { flex: 1; padding-left: 0; }
}