@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,500;6..72,600;6..72,700&display=swap");

:root {
    --font-sans: "DM Sans", sans-serif;
    --font-serif: "Newsreader", serif;

    --bg: #f3efe9;
    --bg-strong: #f7f4ef;
    --bg-muted: #efe8de;
    --border: #ddd1c1;
    --text: #223046;
    --text-soft: rgba(34, 48, 70, 0.72);
    --text-faint: rgba(34, 48, 70, 0.54);
    --primary: #24395d;
    --accent: #c97a60;
    --accent-soft: rgba(201, 122, 96, 0.14);
    --card-shadow: 0 18px 48px rgba(36, 57, 93, 0.08);
}

html[data-theme="dark"] {
    --bg: #0d1420;
    --bg-strong: #101825;
    --bg-muted: #182232;
    --border: #243246;
    --text: #eef3f8;
    --text-soft: rgba(238, 243, 248, 0.76);
    --text-faint: rgba(238, 243, 248, 0.58);
    --primary: #eef3f8;
    --accent: #d08065;
    --accent-soft: rgba(208, 128, 101, 0.16);
    --card-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 12%, transparent), transparent 28%),
        radial-gradient(circle at bottom right, color-mix(in srgb, var(--primary) 9%, transparent), transparent 32%),
        var(--bg);
}

a {
    color: inherit;
}

.container {
    width: min(1280px, calc(100vw - 2rem));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: color-mix(in srgb, var(--bg) 84%, transparent);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    text-decoration: none;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.brand-subtitle {
    margin-top: 0.15rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-faint);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.button,
.theme-toggle {
    appearance: none;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-strong) 94%, transparent);
    color: var(--text);
    border-radius: 999px;
    padding: 0.72rem 1rem;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
}

.button-ghost {
    background: transparent;
}

.button-outline {
    background: var(--accent-soft);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

html[data-theme="dark"] .theme-toggle-light,
html[data-theme="light"] .theme-toggle-dark {
    display: none;
}

.page-grid {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem 0 3rem;
}

.sidebar-card,
.hero-card,
.article-card,
.feature-card,
.guide-card {
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
}

.sidebar-card {
    position: sticky;
    top: 96px;
    align-self: start;
    border-radius: 28px;
    padding: 1.2rem;
    background: color-mix(in srgb, var(--bg-strong) 95%, transparent);
}

.sidebar-kicker {
    margin: 0 0 0.8rem;
    color: var(--text-faint);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.24em;
}

.sidebar-copy {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.95rem;
    line-height: 1.7;
}

.sidebar-nav {
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.sidebar-link {
    display: block;
    text-decoration: none;
    border-radius: 22px;
    padding: 0.95rem 1rem;
    color: var(--text-soft);
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.sidebar-link:hover {
    background: color-mix(in srgb, var(--bg-strong) 88%, transparent);
}

.sidebar-link.is-active {
    background: var(--accent-soft);
    color: var(--text);
}

.sidebar-link-title {
    display: block;
    font-size: 0.96rem;
    font-weight: 700;
    color: inherit;
}

.sidebar-link-description {
    display: block;
    margin-top: 0.32rem;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-faint);
}

.sidebar-links {
    margin-top: 1.5rem;
    padding-top: 1.15rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.sidebar-links a {
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-soft);
}

.sidebar-links a:hover {
    color: var(--accent);
}

.content-column {
    min-width: 0;
}

.hero-card {
    overflow: hidden;
    border-radius: 34px;
    padding: 2rem 2.25rem;
    background:
        linear-gradient(140deg, color-mix(in srgb, var(--bg-strong) 94%, white), color-mix(in srgb, var(--bg-strong) 86%, var(--accent) 6%)),
        var(--bg-strong);
}

.hero-eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.28em;
}

.hero-title {
    margin: 0;
    max-width: 15ch;
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 5vw, 4.75rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.hero-description {
    margin: 1rem 0 0;
    max-width: 42rem;
    color: var(--text-soft);
    font-size: 1.06rem;
    line-height: 1.8;
}

.article-card {
    margin-top: 1.5rem;
    border-radius: 34px;
    padding: 2rem 2.25rem;
    background: color-mix(in srgb, var(--bg-strong) 96%, white);
}

.feature-grid,
.guides-grid {
    display: grid;
    gap: 1rem;
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.guide-card {
    border-radius: 24px;
    padding: 1.35rem;
    background: color-mix(in srgb, var(--bg-strong) 96%, transparent);
}

.feature-card h2,
.guide-card h2 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}

.feature-card p,
.guide-card p {
    margin: 0.7rem 0 0;
    color: var(--text-soft);
    line-height: 1.7;
}

.guides-section {
    margin-top: 2rem;
}

.section-title {
    margin: 0 0 1.1rem;
    font-family: var(--font-serif);
    font-size: 2rem;
    letter-spacing: -0.04em;
}

.guides-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.guide-card {
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.guide-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    background: color-mix(in srgb, var(--bg-strong) 90%, transparent);
}

.guide-index {
    margin: 0;
    color: var(--text-faint);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.24em;
}

.guide-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 700;
}

.docs-prose {
    color: var(--text-soft);
    font-size: 1rem;
    line-height: 1.9;
}

.docs-prose h1,
.docs-prose h2,
.docs-prose h3,
.docs-prose h4 {
    margin: 2.25rem 0 0.8rem;
    color: var(--text);
    font-family: var(--font-serif);
    letter-spacing: -0.04em;
}

.docs-prose h1 {
    margin-top: 0;
    font-size: 2.4rem;
}

.docs-prose h2 {
    font-size: 2rem;
}

.docs-prose h3 {
    font-size: 1.5rem;
}

.docs-prose p,
.docs-prose ul,
.docs-prose ol,
.docs-prose pre,
.docs-prose table,
.docs-prose blockquote {
    margin: 1rem 0 1.15rem;
}

.docs-prose ul,
.docs-prose ol {
    padding-left: 1.4rem;
}

.docs-prose li {
    margin: 0.32rem 0;
}

.docs-prose code {
    border-radius: 8px;
    padding: 0.18rem 0.42rem;
    background: var(--bg-muted);
    color: var(--text);
    font-size: 0.92em;
}

.docs-prose pre {
    overflow-x: auto;
    border-radius: 24px;
    padding: 1rem 1.2rem;
    background: #101825;
    color: #eef3f8;
}

.docs-prose pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.docs-prose a {
    color: var(--accent);
    font-weight: 600;
}

.docs-prose blockquote {
    border-left: 4px solid color-mix(in srgb, var(--accent) 52%, transparent);
    padding-left: 1rem;
    color: var(--text-faint);
    font-style: italic;
}

.docs-prose hr {
    border: 0;
    border-top: 1px solid var(--border);
}

.docs-prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.docs-prose th,
.docs-prose td {
    border: 1px solid var(--border);
    padding: 0.75rem;
    text-align: left;
    vertical-align: top;
}

.docs-prose thead {
    background: var(--bg-muted);
    color: var(--text);
}

@media (max-width: 1024px) {
    .page-grid {
        grid-template-columns: 1fr;
    }

    .sidebar-card {
        position: static;
    }

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

@media (max-width: 720px) {
    .container {
        width: min(100vw - 1.25rem, 100%);
    }

    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.85rem 0;
    }

    .topbar-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .hero-card,
    .article-card {
        padding: 1.4rem;
        border-radius: 26px;
    }

    .sidebar-card {
        border-radius: 24px;
    }
}