:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --panel: #ffffff;
    --text: #142033;
    --muted: #5c6b80;
    --line: #d7dfeb;
    --brand: #0f9d58;
    --brand-dark: #0a7b43;
    --accent: #0f172a;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 157, 88, 0.08), transparent 26%),
        linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

a {
    color: var(--brand-dark);
}

.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}

.hero,
.card,
.locale-section {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.hero {
    padding: 28px;
    margin-bottom: 20px;
}

.eyebrow {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(15, 157, 88, 0.12);
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 16px 0 10px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05;
}

.hero p,
.hero li,
.card p,
.card li,
.locale-section p,
.locale-section li {
    color: var(--muted);
    line-height: 1.65;
}

.grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
}

.card {
    padding: 22px;
}

.card h2,
.locale-section h2 {
    margin-top: 0;
    color: var(--accent);
}

.doc-nav,
.lang-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.doc-nav a,
.lang-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.doc-nav a.active,
.lang-nav a.active,
.doc-nav a:hover,
.lang-nav a:hover {
    border-color: rgba(15, 157, 88, 0.35);
    background: rgba(15, 157, 88, 0.1);
    color: var(--brand-dark);
}

.stack {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.locale-section {
    padding: 26px;
    scroll-margin-top: 18px;
}

.locale-section.is-target {
    border-color: rgba(15, 157, 88, 0.45);
    box-shadow: 0 18px 50px rgba(15, 157, 88, 0.12);
}

.locale-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.locale-label {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.meta {
    margin: 10px 0 0;
    font-size: 14px;
    color: var(--muted);
}

.notice {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.warning {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(217, 119, 6, 0.08);
    border: 1px solid rgba(217, 119, 6, 0.18);
}

ul,
ol {
    padding-left: 22px;
}

.footer {
    margin-top: 28px;
    color: var(--muted);
    font-size: 14px;
    text-align: center;
}

@media (max-width: 860px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .hero,
    .card,
    .locale-section {
        border-radius: 20px;
    }

    .page {
        padding: 20px 14px 48px;
    }
}