:root {
    --bg: #f7f9fb;
    --ink: #17212b;
    --muted: #5f6f7e;
    --line: #dce4ec;
    --panel: #ffffff;
    --panel-soft: #eef4f8;
    --brand: #0e6d64;
    --brand-dark: #0a4b46;
    --accent: #b44b3f;
    --shadow: 0 18px 42px rgba(23, 33, 43, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
    margin: 0;
}

a {
    color: var(--brand-dark);
    font-weight: 700;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 5;
}

.header-inner,
.content,
.footer-inner {
    margin: 0 auto;
    max-width: 1180px;
    padding: 0 22px;
}

.header-inner {
    align-items: center;
    display: flex;
    gap: 22px;
    justify-content: space-between;
    min-height: 76px;
}

.brand {
    color: var(--ink);
    display: grid;
    gap: 0;
    line-height: 1.1;
}

.brand span {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand strong {
    font-size: 1.35rem;
}

.nav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.nav a {
    color: var(--muted);
    font-size: 0.93rem;
}

.nav .button-link {
    background: var(--brand);
    border-radius: 7px;
    color: #fff;
    padding: 9px 13px;
}

.hero {
    background: linear-gradient(180deg, #ffffff 0%, #eef4f8 100%);
    border-bottom: 1px solid var(--line);
}

.hero .content {
    display: grid;
    gap: 24px;
    padding-bottom: 54px;
    padding-top: 54px;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    margin: 0;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin: 0;
}

h1 {
    font-size: clamp(2.1rem, 5vw, 4.6rem);
    max-width: 880px;
}

.hero p,
.lede {
    color: var(--muted);
    font-size: 1.08rem;
    margin: 0;
    max-width: 780px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.primary-button,
.secondary-button {
    border-radius: 7px;
    display: inline-flex;
    padding: 11px 15px;
}

.primary-button {
    background: var(--brand);
    color: #fff;
}

.secondary-button {
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--ink);
}

.main-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr) 320px;
    padding-bottom: 56px;
    padding-top: 34px;
}

.article-list {
    display: grid;
    gap: 18px;
}

.article-card,
.info-panel,
.article-body,
.page-body {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.article-card {
    display: grid;
    gap: 10px;
    padding: 22px;
}

.article-card h2 {
    font-size: 1.45rem;
}

.article-card p,
.info-panel p,
.page-body p,
.article-body p,
.article-body li,
.page-body li {
    color: var(--muted);
}

.article-meta {
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.sidebar {
    display: grid;
    gap: 18px;
    height: max-content;
}

.info-panel {
    display: grid;
    gap: 10px;
    padding: 18px;
}

.info-panel h2,
.info-panel h3 {
    font-size: 1.05rem;
}

.article-body,
.page-body {
    padding: min(6vw, 54px);
}

.article-body h1,
.page-body h1 {
    font-size: clamp(2rem, 4vw, 3.45rem);
    margin-bottom: 12px;
}

.article-body h2,
.page-body h2 {
    font-size: 1.55rem;
    margin-top: 34px;
}

.article-body h3,
.page-body h3 {
    font-size: 1.12rem;
    margin-top: 24px;
}

.article-body p,
.page-body p {
    margin: 14px 0 0;
}

.article-body ul,
.article-body ol,
.page-body ul {
    margin-bottom: 0;
}

.note {
    background: var(--panel-soft);
    border-left: 4px solid var(--brand);
    border-radius: 6px;
    color: var(--ink);
    margin-top: 24px;
    padding: 14px 16px;
}

.source-list {
    border-top: 1px solid var(--line);
    margin-top: 34px;
    padding-top: 22px;
}

.site-footer {
    background: #101820;
    color: #e8eef3;
    margin-top: 34px;
}

.footer-inner {
    display: grid;
    gap: 18px;
    grid-template-columns: 1.1fr 1fr;
    padding-bottom: 28px;
    padding-top: 28px;
}

.site-footer p {
    color: #bdc9d5;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}

.footer-links a {
    color: #ffffff;
}

@media (max-width: 860px) {
    .header-inner,
    .footer-inner,
    .main-grid {
        grid-template-columns: 1fr;
    }

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding-bottom: 16px;
        padding-top: 16px;
    }

    .footer-links {
        justify-content: flex-start;
    }
}