/* ==========================================================================
   Servicio — Investigación Institucional
   ========================================================================== */
.iubello-servicio-inv__container {
    padding: 3rem 1rem 4rem;
    max-width: 1040px;
}

.iubello-servicio-inv__section {
    margin-bottom: 3.5rem;
}

.iubello-servicio-inv__section > h2 {
    font-family: var(--font-secondary);
    font-size: clamp(1.5rem, 2.4vw, 1.875rem);
    font-weight: 700;
    color: var(--color-azul);
    margin: 0 0 1.25rem;
    padding-bottom: 0.625rem;
    border-bottom: 2px solid rgba(25, 83, 135, 0.12);
}

.iubello-servicio-inv__section p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-negro);
    margin: 0 0 1rem;
}

.iubello-servicio-inv__lead {
    font-size: 1.125rem !important;
    color: var(--color-gris) !important;
    margin-bottom: 1.5rem !important;
}

.iubello-servicio-inv__note {
    background: rgba(25, 83, 135, 0.05);
    border-left: 4px solid var(--color-azul-celeste);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1rem 1.25rem;
    font-size: 1rem !important;
    font-style: italic;
    color: var(--color-gris) !important;
    margin-top: 1.25rem !important;
}

/* ---------- Intro ---------- */
.iubello-servicio-inv__intro {
    background: linear-gradient(180deg, rgba(137, 196, 226, 0.08) 0%, transparent 100%);
    padding: 2rem 2rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(25, 83, 135, 0.08);
}

.iubello-servicio-inv__intro > h2 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 1rem;
}

/* ---------- Estado del arte / subtemas ---------- */
.iubello-servicio-inv__subtemas {
    list-style: none;
    counter-reset: subtema;
    padding: 0;
    margin: 2rem 0 0;
    display: grid;
    gap: 1.5rem;
}

.iubello-servicio-inv__subtema {
    counter-increment: subtema;
    position: relative;
    padding: 1.5rem 1.5rem 1.25rem 4rem;
    background: #fff;
    border: 1px solid rgba(25, 83, 135, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.iubello-servicio-inv__subtema::before {
    content: counter(subtema);
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--color-azul);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 0.9375rem;
}

.iubello-servicio-inv__subtema h3 {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-azul);
    margin: 0 0 0.75rem;
}

.iubello-servicio-inv__subtema p {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 0.75rem;
}

.iubello-servicio-inv__subtema p:last-child {
    margin-bottom: 0;
}

/* ---------- Tablas ---------- */
.iubello-servicio-inv__table-wrap {
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background: #fff;
}

.iubello-servicio-inv__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.iubello-servicio-inv__table thead {
    background: var(--color-azul);
    color: #fff;
}

.iubello-servicio-inv__table th,
.iubello-servicio-inv__table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(25, 83, 135, 0.1);
    vertical-align: top;
}

.iubello-servicio-inv__table thead th {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    border-bottom: none;
}

.iubello-servicio-inv__table tbody th {
    background: rgba(25, 83, 135, 0.04);
    font-weight: 600;
    color: var(--color-azul);
    white-space: nowrap;
}

.iubello-servicio-inv__table tbody tr:last-child th,
.iubello-servicio-inv__table tbody tr:last-child td {
    border-bottom: none;
}

.iubello-servicio-inv__table--comparativa tbody th {
    white-space: normal;
    min-width: 160px;
}

/* ---------- Grupos GIUB / GiTED ---------- */
.iubello-servicio-inv__grupos-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 1.25rem;
}

.iubello-servicio-inv__grupo-card {
    position: relative;
    padding: 1.75rem;
    background: #fff;
    border: 1px solid rgba(25, 83, 135, 0.12);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.iubello-servicio-inv__grupo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.iubello-servicio-inv__grupo-card--giub::before {
    background: linear-gradient(90deg, #6ea04c, #9cc76e);
}

.iubello-servicio-inv__grupo-card--gited::before {
    background: linear-gradient(90deg, #7a4f9f, var(--color-azul));
}

.iubello-servicio-inv__grupo-tag {
    align-self: flex-start;
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(25, 83, 135, 0.08);
    color: var(--color-azul);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.iubello-servicio-inv__grupo-card--giub .iubello-servicio-inv__grupo-tag {
    background: rgba(110, 160, 76, 0.12);
    color: #4f7836;
}

.iubello-servicio-inv__grupo-card--gited .iubello-servicio-inv__grupo-tag {
    background: rgba(122, 79, 159, 0.12);
    color: #5a3978;
}

.iubello-servicio-inv__grupo-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-azul);
    margin: 0 0 0.25rem;
    letter-spacing: -0.01em;
}

.iubello-servicio-inv__grupo-card--giub .iubello-servicio-inv__grupo-title {
    color: #4f7836;
}

.iubello-servicio-inv__grupo-card--gited .iubello-servicio-inv__grupo-title {
    color: #5a3978;
}

.iubello-servicio-inv__grupo-subtitle {
    font-size: 0.9375rem !important;
    font-weight: 600;
    color: var(--color-gris) !important;
    margin: 0 0 1rem !important;
}

.iubello-servicio-inv__grupo-card p {
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.iubello-servicio-inv__grupo-cta {
    align-self: flex-start;
    margin-top: auto;
}

.iubello-servicio-inv__grupo-cta--disabled {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border: 1px dashed var(--color-border-ui);
    border-radius: var(--radius-sm);
    color: var(--color-gris);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: not-allowed;
    background: rgba(148, 148, 148, 0.05);
}

/* ---------- Ejes de articulación ---------- */
.iubello-servicio-inv__ejes-list {
    list-style: none;
    counter-reset: eje;
    padding: 0;
    margin: 1.25rem 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.iubello-servicio-inv__eje {
    counter-increment: eje;
    position: relative;
    padding: 1.25rem 1.25rem 1.25rem 4rem;
    background: #fff;
    border: 1px solid rgba(25, 83, 135, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.iubello-servicio-inv__eje::before {
    content: counter(eje);
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-sm);
    background: var(--color-azul-celeste);
    color: var(--color-azul);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 0.9375rem;
}

.iubello-servicio-inv__eje h3 {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-azul);
    margin: 0 0 0.5rem;
}

.iubello-servicio-inv__eje p {
    font-size: 0.9375rem !important;
    line-height: 1.55;
    color: var(--color-gris) !important;
    margin: 0 !important;
}

/* ---------- Niveles operativos ---------- */
.iubello-servicio-inv__diagrama {
    margin: 1.5rem auto 2rem;
    padding: 2rem 1rem;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.iubello-servicio-inv__diagrama img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.iubello-servicio-inv__diagrama figcaption {
    margin-top: 1rem;
    font-size: 0.9375rem;
    color: var(--color-gris);
    font-style: italic;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.iubello-servicio-inv__niveles-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.iubello-servicio-inv__nivel {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid rgba(25, 83, 135, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.iubello-servicio-inv__nivel-num {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--color-azul);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.25rem;
}

.iubello-servicio-inv__niveles-list > li:nth-child(1) .iubello-servicio-inv__nivel-num {
    background: #6ea04c;
}

.iubello-servicio-inv__niveles-list > li:nth-child(2) .iubello-servicio-inv__nivel-num {
    background: #3e9aaf;
}

.iubello-servicio-inv__niveles-list > li:nth-child(3) .iubello-servicio-inv__nivel-num {
    background: #7a4f9f;
}

.iubello-servicio-inv__nivel-body {
    flex: 1;
    min-width: 0;
}

.iubello-servicio-inv__nivel-body h3 {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-azul);
    margin: 0 0 0.5rem;
    line-height: 1.35;
}

.iubello-servicio-inv__nivel-body p {
    font-size: 0.9375rem !important;
    line-height: 1.55;
    color: var(--color-gris) !important;
    margin: 0 !important;
}

/* ---------- Volver ---------- */
.iubello-servicio-inv__back {
    margin-top: 2rem;
    text-align: center;
}

.iubello-servicio-inv__back .iubello-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .iubello-servicio-inv__grupos-grid {
        grid-template-columns: 1fr;
    }

    .iubello-servicio-inv__niveles-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .iubello-servicio-inv__container {
        padding: 2rem 1rem 3rem;
    }

    .iubello-servicio-inv__section {
        margin-bottom: 2.5rem;
    }

    .iubello-servicio-inv__intro {
        padding: 1.5rem 1.25rem;
    }

    .iubello-servicio-inv__subtema,
    .iubello-servicio-inv__eje {
        padding-left: 3.5rem;
    }

    .iubello-servicio-inv__diagrama {
        padding: 1.25rem 0.5rem;
    }

    .iubello-servicio-inv__table th,
    .iubello-servicio-inv__table td {
        padding: 0.75rem 0.75rem;
        font-size: 0.875rem;
    }
}