:root {
    --bg: #0b1220;
    --card: rgba(255, 255, 255, 0.06);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.72);
    --border: rgba(255, 255, 255, 0.12);
    --accent: #62d0ff;
    --accent-2: #7c5cff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    color: var(--text);
    background:
        radial-gradient(900px 500px at 20% 10%, rgba(124, 92, 255, 0.18), transparent 60%),
        radial-gradient(900px 500px at 80% 20%, rgba(98, 208, 255, 0.16), transparent 55%),
        var(--bg);
    line-height: 1.5;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: none;
    width: 100%;
    margin: 0 auto;
    padding: 24px 32px;
}

.header {
    padding-top: 44px;
    padding-bottom: 10px;
    position: relative;
}

.logo {
    height: 120px;
    width: auto;
    max-width: none;
    object-fit: contain;
    position: absolute;
    top: 20px;
    right: 32px;
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.25));
}

h1 {
    margin: 0;
    font-size: 44px;
    letter-spacing: -0.02em;
}

.title-seafom {
    display: inline-block;
    padding: 2px 8px 3px;
    margin-left: 2px;
    border-radius: 4px;
    background: rgb(20, 21, 21);
    color: #0b0c0c;
    line-height: 1;
}

.title-py {
    color: #c8c8c8;
}

.title-sea {
    color: #c8c8c8;
}

.title-fom {
    color: #ff4b4b;
}

.subtitle {
    margin: 10px 0 20px;
    color: var(--muted);
    font-size: 18px;
    max-width: 70ch;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    margin: 16px 0;
    backdrop-filter: blur(8px);
}

.layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 16px;
    align-self: start;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    backdrop-filter: blur(8px);
}

.sidebar-title {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.88);
}

.sidebar-section {
    margin: 12px 0 6px;
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-nav a {
    display: block;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid transparent;
    color: rgba(255, 255, 255, 0.86);
    background: rgba(0, 0, 0, 0.12);
}

.sidebar-nav a:hover {
    text-decoration: none;
    border-color: rgba(98, 208, 255, 0.28);
    background: rgba(98, 208, 255, 0.10);
}

.content {
    min-width: 0;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
}

.button.primary {
    border-color: rgba(98, 208, 255, 0.35);
    background: linear-gradient(135deg, rgba(98, 208, 255, 0.20), rgba(124, 92, 255, 0.14));
}

pre {
    margin: 12px 0 0;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.25);
    overflow-x: auto;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 14px;
}

.markdown {
    overflow-wrap: anywhere;
}

.markdown h1,
.markdown h2,
.markdown h3 {
    letter-spacing: -0.01em;
}

.markdown h1 {
    font-size: 30px;
    margin: 0 0 10px;
}

.markdown h2 {
    font-size: 22px;
    margin: 18px 0 10px;
}

.markdown h3 {
    font-size: 18px;
    margin: 16px 0 8px;
}

.markdown blockquote {
    margin: 12px 0;
    padding: 10px 12px;
    border-left: 3px solid rgba(98, 208, 255, 0.45);
    background: rgba(0, 0, 0, 0.16);
    border-radius: 10px;
}

.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.markdown th,
.markdown td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.markdown th {
    text-align: left;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.04);
}

.markdown hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

.grid {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 10px;
}

.grid li {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.kv {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 10px;
}

.kv .k {
    display: inline-block;
    min-width: 110px;
    color: var(--muted);
}

.kv .v {
    color: rgba(255, 255, 255, 0.88);
}

.bullets {
    margin: 12px 0 0;
}

.links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.muted {
    color: var(--muted);
}

.footer {
    padding-top: 18px;
    padding-bottom: 42px;
    padding-right: 220px;
    position: relative;
    color: var(--muted);
}

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        order: 2;
    }

    .content {
        order: 1;
    }

    .footer {
        padding-right: 32px;
    }
}

@media (max-width: 720px) {
    .container {
        padding: 20px 18px;
    }

    .header {
        padding-top: 24px;
        padding-bottom: 6px;
    }

    .logo {
        position: static;
        height: 72px;
        max-width: 100%;
        margin: 0 0 10px;
        display: block;
    }

    h1 {
        font-size: 28px;
    }

    .subtitle {
        font-size: 16px;
    }

    .cta-row,
    .links-row {
        gap: 8px;
    }

    .button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }

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