/* ============================================================
   SERTİFİKALAR — ACCORDION
   ============================================================ */

.stbzdn-sertifika {
    background-color: var(--stbzdn-renk-sand);
    padding: 100px 0;
}

.stbzdn-sertifika-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 100px;
    align-items: start;
}

/* --- SOL --- */
.stbzdn-sertifika-baslik {
    font-size: 56px;
    font-weight: 400;
    color: var(--stbzdn-renk-husk);
    margin: 0 0 24px;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.stbzdn-sertifika-aciklama {
    font-size: 15px;
    line-height: 1.7;
    color: var(--stbzdn-renk-yazi-acik);
    margin: 0;
    max-width: 380px;
}

/* --- SAĞ: ACCORDION --- */
.stbzdn-sertifika-sag {
    display: flex;
    flex-direction: column;
}

.stbzdn-sertifika-oge {
    border-bottom: 1px solid var(--stbzdn-renk-cizgi);
}

.stbzdn-sertifika-oge:first-child {
    border-top: 1px solid var(--stbzdn-renk-cizgi);
}

/* Accordion başlık satırı (button) */
.stbzdn-sertifika-row {
    width: 100%;
    background: transparent;
    border: 0;
    padding: 26px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--stbzdn-renk-husk);
    font-family: inherit;
    font-size: 18px;
    font-weight: 400;
    cursor: pointer;
    text-align: left;
    transition: color 200ms ease;
    gap: 24px;
}

.stbzdn-sertifika-row:hover {
    color: var(--stbzdn-renk-cashew);
}

.stbzdn-sertifika-oge-ok {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 350ms ease;
}

/* AÇIK durumda */
.stbzdn-sertifika-oge.acik .stbzdn-sertifika-row {
    color: var(--stbzdn-renk-cashew);
}

.stbzdn-sertifika-oge.acik .stbzdn-sertifika-oge-ok {
    transform: rotate(180deg);
}

/* Collapse içerik */
.stbzdn-sertifika-icerik {
    max-height: 0;
    overflow: hidden;
    transition: max-height 400ms ease;
}

.stbzdn-sertifika-icerik-ic {
    padding-bottom: 32px;
}

.stbzdn-sertifika-icerik-ic p {
    font-size: 15px;
    line-height: 1.65;
    color: var(--stbzdn-renk-yazi-acik);
    margin: 0 0 24px;
    max-width: 580px;
}

/* ============================================================
   MOBİL
   ============================================================ */

@media (max-width: 992px) {
    .stbzdn-sertifika-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .stbzdn-sertifika-aciklama {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .stbzdn-sertifika {
        padding: 60px 0;
    }
    .stbzdn-sertifika-baslik {
        font-size: 36px;
    }
    .stbzdn-sertifika-row {
        font-size: 16px;
        padding: 20px 0;
    }
}