/* ==========================================================================
   SECCIÓN DE CONVENIOS - IESTP Carlos Salazar Romero
   Convención: prefijo csr- | Metodología BEM
   NOTA: los media queries de este componente están en responsive.css
   ========================================================================== */

/* Radios redondeados del sistema (mismos valores que el resto del sitio) */
:root {
    --csr-radius-xl: 20px;
    --csr-radius-2xl: 24px;
}

/* ==========================================================================
   1. SECCIÓN Y ENCABEZADO
   ========================================================================== */

/* .csr-convenios: fondo blanco para alternar con secciones grises */
.csr-convenios {
    padding: 5rem 0;
    background-color: var(--csr-color-white);
}

.csr-convenios__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2.8rem;
}

/* Etiqueta tipo píldora */
.csr-convenios__tag {
    display: inline-block;
    background-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
    padding: 0.4rem 1.2rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.csr-convenios__title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--csr-color-primary-dark);
    font-weight: 700;
    margin-bottom: 0.8rem;
}

/* Palabra destacada en rojo institucional */
.csr-convenios__highlight {
    color: var(--csr-color-secondary);
}

.csr-convenios__intro {
    font-size: 1.05rem;
    color: var(--csr-color-gray);
    line-height: 1.7;
}

/* ==========================================================================
   2. FRANJA DE BENEFICIOS (4 columnas)
   ========================================================================== */
.csr-convenios__benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* .csr-convenios__benefit: tarjeta pequeña de beneficio */
.csr-convenios__benefit {
    background-color: var(--csr-color-base);
    border-radius: var(--csr-radius-xl);
    padding: 1.6rem 1.2rem;
    text-align: center;
    border-bottom: 4px solid var(--csr-color-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.csr-convenios__benefit:hover {
    transform: translateY(-6px);
    box-shadow: var(--csr-shadow-lg);
    border-bottom-color: var(--csr-color-secondary);
}

.csr-convenios__benefit i {
    font-size: 2rem;
    color: var(--csr-color-primary);
    margin-bottom: 0.8rem;
}

.csr-convenios__benefit h3 {
    font-size: 1rem;
    color: var(--csr-color-primary-dark);
    margin-bottom: 0.4rem;
}

.csr-convenios__benefit p {
    color: var(--csr-color-gray);
    font-size: 0.85rem;
    line-height: 1.55;
}

/* ==========================================================================
   3. GRID DE CONVENIOS (3 columnas)
   ========================================================================== */
.csr-convenios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

/* ---------- Card de convenio ---------- */
.csr-convenio-card {
    background-color: var(--csr-color-white);
    border-radius: var(--csr-radius-2xl);
    padding: 2rem 1.6rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid var(--csr-color-lighter);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.csr-convenio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.14);
    border-color: var(--csr-color-primary-light);
}

/* Monograma circular (logo) con variantes de color */
.csr-convenio-card__logo {
    width: 84px;
    height: 84px;
    border-radius: var(--csr-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--csr-color-white);
    font-family: var(--csr-font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 1px;
    box-shadow: var(--csr-shadow-md);
}

.csr-convenio-card__logo--blue   { background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark)); }
.csr-convenio-card__logo--violet { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.csr-convenio-card__logo--amber  { background: linear-gradient(135deg, #fbbf24, #d97706); }

/* Tipo de convenio: píldora amarilla (terciario) */
.csr-convenio-card__type {
    background-color: var(--csr-color-tertiary);
    color: var(--csr-color-dark);
    padding: 0.25rem 0.9rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.7rem;
}

.csr-convenio-card__name {
    font-size: 1.1rem;
    color: var(--csr-color-primary-dark);
    margin-bottom: 0.6rem;
    line-height: 1.35;
}

.csr-convenio-card__desc {
    color: var(--csr-color-gray);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;               /* empuja las etiquetas hacia abajo: cards parejas */
    margin-bottom: 1rem;
}

/* Etiquetas de alcance */
.csr-convenio-card__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
}

.csr-convenio-card__tags li {
    background-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
    padding: 0.25rem 0.8rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.72rem;
    font-weight: 600;
}

/* ---------- Card CTA (nuevas alianzas) ---------- */
.csr-convenio-card--cta {
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    border-color: transparent;
    justify-content: center;
    gap: 0.6rem;
}

.csr-convenio-card--cta:hover {
    border-color: transparent;
    box-shadow: 0 14px 40px rgba(0, 88, 171, 0.4);
}

.csr-convenio-card--cta i {
    font-size: 2.5rem;
    color: var(--csr-color-tertiary);
}

.csr-convenio-card--cta h3 {
    color: var(--csr-color-white);
    font-size: 1.15rem;
}

.csr-convenio-card--cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

/* Botón amarillo sobre la card CTA */
.csr-convenio-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--csr-color-tertiary);
    color: var(--csr-color-dark);
    padding: 0.6rem 1.4rem;
    border-radius: var(--csr-radius-xl);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.csr-convenio-card__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
    color: var(--csr-color-dark);
}

/* ==========================================================================
   4. ANIMACIÓN DE ENTRADA (activada por js/convenios.js)
   ========================================================================== */
.csr-convenios__item--hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.csr-convenios__item--visible {
    opacity: 1;
    transform: translateY(0);
}