:root {
    --background: #fdfdfd;
    --text: #1a1a1a;
    --muted: #666;
    --subtle: #f5f5f7;
    --border: #d2d2d7;
    --focus-ring: #005fcc;
    --app-icon-radius: 14px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #111;
        --text: #f2f2f2;
        --muted: #c7c7cc;
        --subtle: #1c1c1e;
        --border: #3a3a3c;
        --focus-ring: #7db7ff;
    }
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    margin: 40px auto;
    padding: 0;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
}

a:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 4px;
}

.skip-link {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 1000;
    transform: translateY(-150%);
    background: var(--background);
    color: var(--text);
    border: 2px solid currentColor;
    border-radius: 8px;
    padding: 8px 12px;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.home-container {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 0 15px;
}

.site-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 56px 0 96px;
}

.site-logo {
    display: block;
    width: 76px;
    height: auto;
}

.site-title {
    margin: 72px 0 0;
    font-size: 2rem;
    line-height: 1.15;
}

.intro {
    margin: 2.5rem 0 0;
    color: var(--muted);
    font-size: 1.1rem;
}

.apps-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 0 auto 4rem;
}

.app-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
    padding: 12px;
    color: inherit;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 12px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.app-item:hover {
    background-color: var(--subtle);
    border-color: var(--border);
    text-decoration: none;
}

.app-item:focus-visible {
    outline-offset: 8px;
}

.app-logo,
picture.app-logo > img {
    display: block;
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--app-icon-radius);
}

.app-logo {
    flex-shrink: 0;
}

.app-bio {
    flex-grow: 1;
}

.app-bio h2 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
    line-height: 1.2;
}

.app-bio p {
    margin: 0;
    color: var(--text);
}

footer {
    margin-top: 4rem;
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
}

footer a {
    color: var(--muted);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 660px) {
    body {
        margin: 32px auto;
        padding-left: 10px;
        padding-right: 10px;
    }

    .home-container {
        padding: 0 10px;
    }

    .site-header {
        margin: 56px 0 80px;
    }

    .site-title {
        margin-top: 64px;
    }

    .app-item {
        gap: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}