/* Nav */
.nav-back {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
}

.nav-back:hover {
    color: var(--text);
}

/* Layout */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
}

.breadcrumb {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--hint);
    letter-spacing: 0.08em;
    margin-bottom: 2.5rem;
}

.breadcrumb a {
    text-decoration: none;
    color: var(--hint);
}

.breadcrumb a:hover {
    color: var(--muted);
}

/* App header */
.app-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 0.5px solid var(--border);
}

.app-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    overflow: hidden;
    border: 0.5px solid var(--border);
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.app-icon img {
    width: 100%;
    height: 100%;
    display: block;
}

.app-title {
    font-size: 24px;
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.app-tagline {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
}

.app-sub {
    font-size: 11px;
    color: var(--hint);
    margin-top: 6px;
    font-family: var(--mono);
}

/* Store button */
.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
    padding: 9px 16px;
    background: var(--text);
    color: var(--bg);
    border-radius: var(--rad-md);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: opacity 0.15s;
}

.store-btn:hover {
    opacity: 0.75;
}

/* Section label */
.section-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--hint);
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

/* Features */
.features {
    margin-bottom: 3rem;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    border: 0.5px solid var(--border);
    border-radius: var(--rad-lg);
    overflow: hidden;
}

.feature-item {
    padding: 1.25rem 1.5rem;
    background: var(--bg);
    border-right: 0.5px solid var(--border);
    border-bottom: 0.5px solid var(--border);
}

.feature-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 4px;
}

.feature-desc {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
}

/* Links section */
.links-section {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 0.5px solid var(--border);
    border-radius: var(--rad-lg);
    overflow: hidden;
}

.link-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 0.5px solid var(--border);
    text-decoration: none;
    color: var(--text);
    font-size: 13px;
    transition: background 0.15s;
}

.link-row:last-child {
    border-bottom: none;
}

.link-row:hover {
    background: var(--bg2);
}

.link-row-label {
    color: var(--muted);
    font-size: 11px;
    font-family: var(--mono);
}

/* Footer */
footer {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--hint);
    max-width: 720px;
    margin: 0 auto;
    border-top: 0.5px solid var(--border);
}

@media (max-width: 600px) {
    .container {
        padding: 2.5rem 1rem 4rem;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .app-icon {
        width: 56px;
        height: 56px;
    }
}