.app-hero {
    padding: calc(var(--nav-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
}

.app-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.app-hero__text {
    order: 2;
    text-align: center;
}

.app-hero__tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.app-hero__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--clr-pure-white);
    margin-bottom: var(--spacing-md);
}

.app-hero__desc {
    font-size: var(--fs-base);
    color: var(--clr-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.app-hero__actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.app-hero__visual {
    order: 1;
    display: flex;
    justify-content: center;
}

.app-hero__mockup {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.05);
    background: var(--clr-mid-gray);
}

.app-overview {
    padding: var(--spacing-3xl) 0;
}

.app-overview__content h2 {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--clr-pure-white);
    margin-bottom: var(--spacing-lg);
}

.app-overview__content p {
    font-size: var(--fs-base);
    color: var(--clr-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.app-features {
    padding: var(--spacing-3xl) 0;
}

.app-features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.app-feature-card {
    position: relative;
    background: var(--clr-dark-gray);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: border-color var(--transition-base), transform var(--transition-base);
    overflow: hidden;
    z-index: 0;
}

.app-feature-card:hover {
    border-color: rgba(194, 24, 91, 0.15);
    transform: translateY(-2px);
}

.app-feature-card__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.app-feature-card__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-feature-card__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.82);
}

.app-feature-card:hover .app-feature-card__bg::after {
    background: rgba(10, 10, 10, 0.75);
}

.app-feature-card__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-accent-dim);
    color: var(--clr-accent);
    border-radius: var(--radius-md);
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-md);
}

.app-feature-card__title {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--clr-pure-white);
    margin-bottom: var(--spacing-sm);
}

.app-feature-card__desc {
    font-size: var(--fs-sm);
    color: var(--clr-gray);
    line-height: 1.6;
}

.app-tech {
    padding: var(--spacing-3xl) 0;
}

.app-tech__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.app-tech__info {
    background: var(--clr-dark-gray);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.app-tech__title {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--clr-mid-gray);
}

.app-screenshots {
    padding: var(--spacing-3xl) 0;
}

.app-screenshots__scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-md);
    scrollbar-width: thin;
    scrollbar-color: var(--clr-mid-gray) transparent;
}

.app-screenshots__scroll::-webkit-scrollbar {
    height: 4px;
}

.app-screenshots__scroll::-webkit-scrollbar-track {
    background: transparent;
}

.app-screenshots__scroll::-webkit-scrollbar-thumb {
    background: var(--clr-mid-gray);
    border-radius: 2px;
}

.app-screenshots__item {
    flex-shrink: 0;
    width: 80%;
    max-width: 400px;
    scroll-snap-align: start;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.app-screenshots__item img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    background: var(--clr-mid-gray);
}

@media (min-width: 640px) {
    .app-features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .app-screenshots__item {
        width: 45%;
    }
}

@media (min-width: 768px) {
    .app-hero__grid {
        grid-template-columns: 1fr 1fr;
    }
    .app-hero__text {
        order: 1;
        text-align: left;
    }
    .app-hero__desc {
        margin-left: 0;
    }
    .app-hero__actions {
        justify-content: flex-start;
    }
    .app-hero__visual {
        order: 2;
    }
    .app-tech__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 900px) {
    .app-features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}