:root {
    --bg-primary: #000000;
    --surface: #080808;
    --surface-raised: #101010;
    --surface-hover: #171717;
    --text-main: #f7f2ea;
    --text-muted: #c2b8ad;
    --text-soft: #8f857b;
    --accent: #f0a35d;
    --accent-deep: #ffbd7a;
    --border-color: rgba(255, 255, 255, 0.12);
    --border-hover: rgba(240, 163, 93, 0.46);
    --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.62);
    --pre-bg: #000000;
    --pre-border: rgba(255, 255, 255, 0.08);
    --pre-text: #f7f2ea;
    --backdrop-gradient:
        radial-gradient(1300px 540px at 50% -12%, rgba(240, 163, 93, 0.14), transparent 72%),
        linear-gradient(180deg, rgba(240, 163, 93, 0.08), transparent 34rem);
    --backdrop-opacity: 0.55;
    --font-serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
    --font-sans: "Manrope", "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

:root[data-theme="light"] {
    --bg-primary: #f8f5ef;
    --surface: #fffdf9;
    --surface-raised: #f2ede4;
    --surface-hover: #ebe4d8;
    --text-main: #1e1a16;
    --text-muted: #5c5247;
    --text-soft: #74685b;
    --accent: #ad6222;
    --accent-deep: #8d4c15;
    --border-color: rgba(30, 26, 22, 0.14);
    --border-hover: rgba(173, 98, 34, 0.5);
    --shadow-soft: 0 24px 58px rgba(48, 34, 20, 0.14);
    --pre-bg: #fffaf0;
    --pre-border: rgba(30, 26, 22, 0.18);
    --pre-text: #120d08;
    --backdrop-gradient:
        radial-gradient(1200px 500px at 50% -18%, rgba(240, 163, 93, 0.16), transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 30rem);
    --backdrop-opacity: 0.9;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 115%;
    font-weight: 500;
    line-height: 1.6;
    background: var(--bg-primary);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.55s ease, color 0.55s ease;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    opacity: var(--backdrop-opacity);
    pointer-events: none;
    z-index: -1;
    background: var(--backdrop-gradient);
    transition: opacity 0.55s ease, background 0.55s ease;
}

main {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    padding: 10vh 1.5rem 3rem;
}

.container {
    width: 100%;
    max-width: 760px;
}

.top-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.9rem;
}

.theme-toggle {
    appearance: none;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.45rem 0.92rem;
    background: var(--surface-raised);
    color: var(--text-main);
    font: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 0.22s ease, background-color 0.22s ease, color 0.22s ease, transform 0.18s ease;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

header {
    text-align: center;
    margin-bottom: 2.8rem;
}

.icon-frame {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 112px;
    height: 112px;
    margin-bottom: 1.45rem;
}

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

.eyebrow {
    margin: 0 0 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

h1 {
    margin: 0;
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 4.6rem);
    font-weight: 500;
    line-height: 0.92;
    letter-spacing: 0;
}

.subtitle {
    max-width: 36rem;
    margin: 0.85rem auto 0;
    color: var(--text-muted);
    font-size: 1.02rem;
    font-weight: 560;
    line-height: 1.55;
}

.feature-summary {
    margin: -1.2rem 0 1.3rem;
    padding: 1.1rem 1.25rem;
    border: 1.2px solid var(--border-color);
    border-radius: 16px;
    background: var(--surface);
    color: var(--text-muted);
    box-shadow: var(--shadow-soft);
    transition: background-color 0.55s ease, border-color 0.55s ease, color 0.55s ease, box-shadow 0.55s ease;
}

.feature-summary p {
    margin: 0;
}

.install-card {
    margin-bottom: 1.3rem;
    padding: 1.45rem;
    border: 1.2px solid var(--border-color);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    transition: background-color 0.55s ease, border-color 0.55s ease, box-shadow 0.55s ease;
}

.install-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    margin-bottom: 0.65rem;
}

.install-label {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}

.install-grid {
    display: grid;
    gap: 0.95rem;
    min-width: 0;
}

.install-method {
    width: 100%;
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-raised);
    transition: background-color 0.55s ease, border-color 0.55s ease;
}

.method-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    margin-bottom: 0.7rem;
}

.method-title {
    margin: 0;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.method-note {
    margin: 0.75rem 0 0;
    color: var(--text-soft);
    font-size: 0.91rem;
}

.copy-button {
    appearance: none;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    background: var(--surface-raised);
    color: var(--text-main);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.copy-button:hover {
    transform: translateY(-1px);
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

pre {
    max-width: 100%;
    margin: 0;
    padding: 1rem 1.1rem;
    border-radius: 14px;
    border: 1px solid var(--pre-border);
    background: var(--pre-bg);
    color: var(--pre-text);
    overflow-x: auto;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: background-color 0.55s ease, border-color 0.55s ease, color 0.55s ease;
}

:root[data-theme="light"] pre {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

code {
    font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.94rem;
}

.install-note {
    margin-top: 1.1rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.install-note a {
    color: var(--accent-deep);
    text-decoration: none;
    font-weight: 600;
}

.install-note a:hover {
    text-decoration: underline;
}

.links-container {
    display: grid;
    gap: 0.95rem;
}

.link-block {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.2rem;
    border: 1.2px solid var(--border-color);
    border-radius: 16px;
    background: var(--surface);
    color: var(--text-main);
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.55s ease;
}

.link-block:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    background: var(--surface-hover);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
}

.link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 999px;
    background: rgba(240, 163, 93, 0.16);
    color: var(--accent-deep);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    transition: background-color 0.55s ease, color 0.55s ease;
}

.link-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.link-copy strong {
    font-size: 1.02rem;
    font-weight: 700;
}

.link-copy span {
    color: var(--text-muted);
    font-size: 0.96rem;
}

footer {
    width: 100%;
    padding: 0 1.5rem 1rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.94rem;
    transition: border-color 0.55s ease, color 0.55s ease;
}

.footer-label {
    color: var(--text-main);
    font-weight: 600;
}

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

.footer-link:hover {
    color: var(--accent-deep);
}

@media (max-width: 820px) {
    main {
        padding-top: 7vh;
    }
}

@media (max-width: 560px) {
    body {
        font-size: 98%;
    }

    main {
        padding: 5vh 1rem 2rem;
    }

    .icon-frame {
        width: 92px;
        height: 92px;
    }

    h1 {
        font-size: 2.7rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .install-header {
        margin-bottom: 0.5rem;
    }

    .method-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .link-block {
        align-items: flex-start;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}