.app-page {
    max-width: 860px;
}

.app-hero {
    padding: clamp(1.5rem, 4vw, 2.75rem) clamp(1rem, 3vw, 2rem);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    background: var(--color-bg-elevated);
    text-align: center;
}

.app-hero-logo {
    display: block;
    width: auto;
    height: 72px;
    margin: 0 auto 0.75rem;
}

.app-hero-title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.app-hero-lead {
    margin: 0 auto 1.25rem;
    max-width: 32rem;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    word-break: keep-all;
}

.app-stores {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.625rem;
}

/* 배지는 각 스토어가 배포한 공식 원본이라 색·모양을 바꾸지 않는다 */
.app-store {
    display: block;
    border-radius: 8px;
    line-height: 0;
    transition: opacity 0.15s ease;
}

.app-store img {
    display: block;
    width: auto;
    height: 44px;
}

.app-store:focus-visible,
.app-web-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.app-hero-note {
    margin: 0.875rem 0 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.app-features {
    margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.app-section-title {
    margin: 0 0 1rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.app-feature-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.app-feature {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
    padding: 1rem 1.125rem;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-bg-elevated-bright);
}

html[data-theme="dark"] .app-feature {
    background: var(--color-bg-elevated);
}

.app-feature-icon {
    flex: 0 0 auto;
    font-size: 1.5rem;
    line-height: 1.2;
}

.app-feature-title {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.app-feature-body {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    word-break: keep-all;
}

.app-web {
    margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
    text-align: center;
}

.app-web-lead {
    margin: 0 0 0.5rem;
    color: var(--color-text-secondary);
}

.app-web-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 1.25rem;
    border: 1px solid var(--color-accent);
    border-radius: 999px;
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}

@media (hover: hover) and (pointer: fine) {
    .app-store:hover {
        opacity: 0.85;
    }

    .app-web-link:hover {
        background: var(--color-accent);
        color: var(--color-accent-fg);
    }
}

@media (min-width: 768px) {
    .app-feature-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}