/* ===== CERTIFICACIONES - DISEÑO SOBRIO ===== */
.certifications {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--hunter-green) 0%, var(--verde-oscuro) 100%);
    color: #ffffff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin: 0 0 0.5rem 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

/* Grid de certificados */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

/* Tarjeta de certificado */
.cert-card {
    background: #ffffff;
    color: var(--gris-oscuro);
    border-radius: 8px;
    padding: 2rem;
    border-left: 4px solid var(--success);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cert-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(20, 23, 12, 0.15);
}

/* Estados de certificado */
.cert-card.cert-vigente {
    border-left-color: var(--success);
}

.cert-card.cert-proceso {
    border-left-color: var(--warning);
}

.cert-card.cert-vencido {
    border-left-color: var(--error);
}

/* Cabecera del certificado */
.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem !important;
    margin-bottom: 1.25rem;
}

.cert-icon {
    width: 100px;
    height: 100px;
    background: #f8f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}

.cert-logo {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
}

.cert-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gris-oscuro);
    margin: 0;
    padding-right: 1rem;
    flex: 1;
}

/* Estado del certificado */
.cert-status {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    white-space: nowrap;
    margin-left: 1rem;
}

.cert-status.vigente {
    background: rgba(39, 158, 69, 0.1);
    color: var(--success);
}

.cert-status.proceso {
    background: rgba(254, 192, 11, 0.1);
    color: var(--warning);
}

.cert-status.vencido {
    background: rgba(231, 76, 60, 0.1);
    color: var(--error);
}

/* Cuerpo del certificado */
.cert-body {
    flex-grow: 1;
}

.cert-body p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
    color: var(--gris-medio);
}

/* Detalles del certificado */
.cert-details {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gris-claro);
}

.cert-details>div {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.cert-details dt {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gris-medio);
    margin: 0;
}

.cert-details dd {
    font-size: 0.9rem;
    color: var(--hunter-green);
    margin: 0;
}

/* Footer de la tarjeta */
.cert-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gris-claro);
}

.btn-download {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-download:hover {
    background: var(--verde-medio);
}

.btn-download:disabled {
    background: var(--gris-claro);
    color: var(--gris-medio);
    cursor: not-allowed;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .cert-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cert-status {
        align-self: flex-start;
        margin-left: 0;
        margin-top: 0.5rem;
    }
}