.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about_intro {
    /* background: rgba(0, 0, 0, 0.1);
    -webkit-backdrop-filter: blur(10px); */
    /* backdrop-filter: blur(10px); */
    border-radius: 20px;
    padding: 40px;
    /* border: 1px solid var(--primary-color); */
    opacity: 0;
    transition: all 0.3s ease;
}
.about_intro.visible {
    animation: slideInLeft 1s ease;
    opacity: 1;
}

.about_intro.visible:hover {
    transform:translateY(-10px);
}

.about_intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about_intro strong {
    color: var(--primary-color);
    font-weight: 700;
}

.about_highlights {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.about_highlights li {
    padding: 12px 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    border-radius: 10px;
    padding: 5px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.05);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    box-shadow: 0 4px 6px rgba(255, 255, 255, 0.3);
}

.about_highlights.visible li {
    animation: fadeIn 0.5s ease forwards;
    transform: translateY(0);
}

.about_highlights li:nth-child(1) { animation-delay: 0.3s; }
.about_highlights li:nth-child(2) { animation-delay: 0.6s; }
.about_highlights li:nth-child(3) { animation-delay: 0.9s; }
.about_highlights li:nth-child(4) { animation-delay: 1.2s; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.about_highlights i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.about_aside {
    display: flex;
    flex-direction: column;
    gap: 30px;
    opacity: 0;
}

.about_aside.visible{
    animation: slideInRight 0.8s ease forwards;
    opacity: 1;
}
.about_card {
    /* background: rgba(255, 255, 255, 0.15); */
    /* -webkit-backdrop-filter: blur(15px); */
    /* backdrop-filter: blur(15px); */
    border-radius: 15px;
    padding: 30px;
    /* border: 1px solid rgba(255, 255, 255, 0.3); */
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.about_card:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    /* background: rgba(54, 140, 202, 0.2); */
}

.about_card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

.about_card ul {
    list-style: none;
    padding: 0;
}

.about_card ul li {
    padding: 8px 0;
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
}

.about_card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about_intro, .about_card {
        padding: 25px;
    }
}