#db9_about {
    padding: 80px 8%;
    position: relative;
    overflow: hidden;
}

#db9_about::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -15%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(233, 166, 160, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

#db9_about_container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(28px, 4.5vw, 70px);
    margin-top: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

#db9_about_image {
    width: 42%;
    display: flex;
    justify-content: center;
    position: relative;
    min-width: 0;
}

@keyframes db9_fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#db9_about_image::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: calc(100% - 60px);
    height: calc(100% - 60px);
    border: 3px solid var(--color-4);
    border-radius: 24px;
    z-index: -1;
    opacity: 0.4;
}

#db9_about_image img {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 24px;
    background-color: var(--neutral-color-0);
    box-shadow: 0px 15px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 5px solid var(--color-2);
    position: relative;
}

#db9_about_image img:hover {
    transform: translateY(-8px);
    box-shadow: 0px 25px 60px rgba(0, 0, 0, 0.2);
}

#db9_about_content {
    width: 58%;
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0;
}

@keyframes db9_fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#db9_about_content p {
    color: var(--neutral-color-3);
    line-height: 1.9;
    font-size: 1.08rem;
    position: relative;
    padding-left: 20px;
    border-left: 3px solid var(--color-4);
    transition: all 0.3s ease;
}

#db9_about_content p:hover {
    padding-left: 28px;
    border-left-color: var(--color-6);
}

#db9_about_certificates {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 6px;
}

#db9_about_certificates h4 {
    color: var(--neutral-color-1);
    font-size: 1.1rem;
    font-weight: 700;
}

.db9_certificates_grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.db9_certificate-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--neutral-color-0) 0%, rgba(246, 246, 243, 0.75) 100%);
    box-shadow: 0px 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(183, 200, 138, 0.18);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s;
}

:root[data-theme="dark"] .db9_certificate-card {
    background: linear-gradient(135deg, var(--neutral-color-0) 0%, rgba(42, 42, 42, 0.75) 100%);
    box-shadow: 0px 10px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(168, 184, 141, 0.18);
}

.db9_certificate-card i {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.04);
    color: #f2c94c;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.08);
}

:root[data-theme="dark"] .db9_certificate-card i {
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.28);
}

.db9_certificate-card span {
    color: var(--neutral-color-1);
    font-weight: 600;
}

.db9_certificate-card:hover {
    transform: translateY(-3px);
    box-shadow: 0px 14px 45px rgba(0, 0, 0, 0.12);
    border-color: rgba(233, 166, 160, 0.55);
}

@media screen and (max-width: 1024px) {
    #db9_about_container {
        flex-direction: column;
        text-align: center;
        gap: 50px;
    }

    #db9_about_image,
    #db9_about_content {
        width: 100%;
    }

    
    #db9_about_certificates h4 {
        font-size: 1.45rem;
    }

    .db9_certificates_grid {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .db9_certificate-card {
        width: 100%;
        padding: 16px 18px;
    }

    #db9_about_image::before {
        display: none;
    }

    #db9_about_content p {
        padding-left: 0;
        border-left: none;
        max-width: 720px;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    #db9_about_content p:hover {
        padding-left: 0;
        border-left-color: transparent;
    }

    .db9_certificates_grid {
        grid-template-columns: 1fr;
        max-width: 720px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media screen and (max-width: 768px) {
    #db9_about {
        padding: 60px 8%;
    }

    #db9_about_certificates h4 {
        font-size: 1.45rem;
    }

    .db9_certificates_grid {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .db9_certificate-card {
        width: 100%;
        padding: 16px 18px;
    }

    #db9_about_image img {
        max-width: 350px;
    }

    #db9_about_content p {
        font-size: 1.02rem;
    }
}

@media screen and (max-width: 600px) {
    #db9_about_image img {
        max-width: 300px;
    }

    #db9_about_content p {
        font-size: 0.98rem;
        padding-left: 0;
        border-left: none;
    }

    
    #db9_about_certificates h4 {
        font-size: 1.45rem;
    }

    .db9_certificates_grid {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .db9_certificate-card {
        width: 100%;
        padding: 16px 18px;
    }

    #db9_about_certificates h4 {
        text-align: center;
        font-size: 1.55rem;
    }
}

@media screen and (max-width: 480px) {
    #db9_about {
        padding: 56px 6%;
    }

    
    #db9_about_certificates h4 {
        font-size: 1.45rem;
    }

    .db9_certificates_grid {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .db9_certificate-card {
        width: 100%;
        padding: 16px 18px;
    }

    #db9_about_container {
        margin-top: 32px;
        gap: 32px;
    }

    #db9_about_image img {
        max-width: 280px;
    }

    #db9_about_content p {
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
        font-size: 0.96rem;
    }
}