/* ===================================================
   Emprendedoras Filter & Cards — Estilos
   =================================================== */

:root {
    --ef-yellow:        #F5C518;
    --ef-yellow-dark:   #d4a800;
    --ef-yellow-light:  #fff8dc;
    --ef-text:          #2d2d2d;
    --ef-text-light:    #5a5a5a;
    --ef-bg:            #ffffff;
    --ef-border:        #e8e8e8;
    --ef-radius-card:   18px;
    --ef-radius-btn:    50px;
    --ef-radius-logo:   50%;
    --ef-shadow:        0 4px 24px rgba(0,0,0,0.08);
    --ef-shadow-hover:  0 10px 40px rgba(0,0,0,0.14);
    --ef-font-title:    'Georgia', 'Times New Roman', serif;
    --ef-font-body:     system-ui, -apple-system, sans-serif;
    --ef-transition:    0.25s cubic-bezier(.4,0,.2,1);
}

/* ── Wrapper ── */
#ef-emprendedoras {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 60px;
    font-family: var(--ef-font-body);
    color: var(--ef-text);
}

/* ── FILTRO ── */
.ef-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 48px;
    padding: 28px 0 0;
}

.ef-filter__btn {
    display: inline-block;
    padding: 9px 22px;
    border-radius: var(--ef-radius-btn);
    border: 2px solid var(--ef-yellow);
    background: transparent;
    color: var(--ef-text);
    font-family: var(--ef-font-body);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--ef-transition),
                color var(--ef-transition),
                transform var(--ef-transition),
                box-shadow var(--ef-transition);
}

.ef-filter__btn:hover {
    background: var(--ef-yellow);
    color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(245,197,24,0.35);
    text-decoration: none;
}

.ef-filter__btn--active {
    background: var(--ef-yellow);
    color: #1a1a1a;
    box-shadow: 0 4px 14px rgba(245,197,24,0.4);
}

/* ── GRID ── */
.ef-grid {
    display: grid;
    gap: 36px;
}

.ef-grid--cols-1 { grid-template-columns: 1fr; }
.ef-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.ef-grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.ef-grid--cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
    .ef-grid--cols-3,
    .ef-grid--cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .ef-grid--cols-2,
    .ef-grid--cols-3,
    .ef-grid--cols-4 { grid-template-columns: 1fr; }
    .ef-filter { gap: 8px; }
    .ef-filter__btn { font-size: 0.78rem; padding: 8px 16px; }
}

/* ── TARJETA ── */
.ef-card {
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-card);
    padding: 36px 28px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--ef-shadow);
    transition: transform var(--ef-transition),
                box-shadow var(--ef-transition);
    position: relative;
    overflow: hidden;
}

.ef-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--ef-yellow);
    opacity: 0;
    transition: opacity var(--ef-transition);
}

.ef-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ef-shadow-hover);
}

.ef-card:hover::before {
    opacity: 1;
}

/* Logo circular */
.ef-card__logo-wrap {
    width: 160px;
    height: 160px;
    border-radius: var(--ef-radius-logo);
    overflow: hidden;
    margin-bottom: 22px;
    border: 3px solid var(--ef-border);
    background: #f9f9f9;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--ef-transition), box-shadow var(--ef-transition);
}

.ef-card:hover .ef-card__logo-wrap {
    border-color: var(--ef-yellow);
    box-shadow: 0 0 0 5px var(--ef-yellow-light);
}

.ef-card__logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ef-card__logo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ef-yellow-light), var(--ef-yellow));
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a1a1a;
    font-family: var(--ef-font-title);
    text-transform: uppercase;
}

/* Título */
.ef-card__title {
    font-family: var(--ef-font-title);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ef-text);
    margin: 0 0 14px;
    line-height: 1.3;
}

/* Descripción */
.ef-card__desc {
    font-size: 0.92rem;
    color: var(--ef-text-light);
    line-height: 1.65;
    margin: 0 0 24px;
    flex-grow: 1;
}

/* Botón */
.ef-card__btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--ef-radius-btn);
    background: var(--ef-yellow);
    color: #1a1a1a;
    font-family: var(--ef-font-body);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background var(--ef-transition),
                transform var(--ef-transition),
                box-shadow var(--ef-transition);
    margin-top: auto;
}

.ef-card__btn:hover {
    background: var(--ef-yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(212,168,0,0.4);
    text-decoration: none;
    color: #1a1a1a;
}

/* Sin resultados */
.ef-no-results {
    text-align: center;
    color: var(--ef-text-light);
    font-size: 1rem;
    padding: 40px;
}

/* ── Animación de entrada ── */
@keyframes ef-fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ef-card {
    animation: ef-fade-up 0.5s ease both;
}

.ef-card:nth-child(1)  { animation-delay: 0.05s; }
.ef-card:nth-child(2)  { animation-delay: 0.10s; }
.ef-card:nth-child(3)  { animation-delay: 0.15s; }
.ef-card:nth-child(4)  { animation-delay: 0.20s; }
.ef-card:nth-child(5)  { animation-delay: 0.25s; }
.ef-card:nth-child(6)  { animation-delay: 0.30s; }
.ef-card:nth-child(7)  { animation-delay: 0.35s; }
.ef-card:nth-child(8)  { animation-delay: 0.40s; }
.ef-card:nth-child(9)  { animation-delay: 0.45s; }
.ef-card:nth-child(10) { animation-delay: 0.50s; }