/* Mobile base */
.about {
    padding: var(--space-2xl) 1.25rem;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.about-media {
    position: relative;
    width: 100%;
    padding: 1.25rem 0;
}

.about-frame {
    position: relative;
    width: 100%;
    max-height: 380px;
    padding: 14px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.about-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    object-position: center;
    border-radius: calc(var(--radius-lg) - 6px);
    background: var(--color-surface);
}

.about-badge-float {
    position: absolute;
    bottom: -0.75rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.65rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(6px);
    text-align: left;
    z-index: 3;
}

.badge-num {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
}

.badge-label {
    font-size: 0.7rem;
    color: var(--color-text-dim);
    white-space: nowrap;
    line-height: 1.2;
}

.badge-num {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.badge-label {
    display: block;
    margin-top: 0.35rem;
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.about .section-title {
    margin: 1rem 0 0.75rem;
    text-align: right;
}

.about-desc {
    color: var(--color-text-muted);
    line-height: 1.9;
    max-width: 620px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: var(--space-lg) 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-item i {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--color-accent-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-item h4 {
    margin: 0;
    font-size: var(--fs-base);
    font-weight: 700;
}

.feature-item p {
    margin: 0.35rem 0 0;
    font-size: var(--fs-sm);
    color: var(--color-text-dim);
}

.about .btn {
    display: inline-flex;
    margin-top: 0.5rem;
}

/* Tablet 640px+ */
@media (min-width: 640px) {
    .about-features {
        grid-template-columns: 1fr 1fr;
    }

    .about-frame {
        max-height: 460px;
    }
}

/* Desktop 1024px+ */
@media (min-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 4rem;
    }

    .about-media {
        order: 1;
        padding: 1.75rem 0;
    }

    .about-frame {
        max-height: 560px;
    }

    .about-content {
        order: 2;
    }

    .about-badge-float {
        padding: 1rem 1.5rem;
        bottom: -1rem;
        left: 1.25rem;
    }

    .badge-num {
        font-size: 1.5rem;
    }

    .badge-label {
        font-size: 0.8rem;
    }
}