:root {
  color-scheme: light;
  --bg: #f8f9f6;
  --panel: #ffffff;
  --ink: #171a1f;
  --muted: #5f6875;
  --line: #dfe4dc;
  --accent: #1267ff;
  --accent-soft: #dce9ff;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  min-height: 72px;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, white);
  backdrop-filter: blur(18px);
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
}

.brand span {
  color: var(--ink);
}

.brand em {
  color: var(--accent);
  font-style: normal;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.nav a,
.language-menu a,
.inner-actions a,
.comment-form button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
}

.nav a.active,
.language-menu a.active {
  color: var(--ink);
  background: var(--panel);
  border-color: var(--line);
}

.language-menu {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.language-menu a {
  min-width: 36px;
  padding: 0 8px;
  font-size: 13px;
}

.hero,
.page-title,
.section-band,
.article-shell,
.comment-section {
  width: min(100% - 48px, 1280px);
  margin: 0 auto;
}

.hero {
  min-height: calc(100dvh - 120px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: 56px;
  padding: 56px 0 32px;
}

.hero h1,
.page-title h1,
.article-hero h1 {
  margin: 0;
  max-width: 880px;
  font-size: clamp(42px, 7vw, 94px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p,
.page-title p,
.article-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #111827;
  box-shadow: 0 24px 80px rgb(18 103 255 / 16%);
  overflow: hidden;
}

.section-band {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-band.muted {
  width: 100%;
  max-width: none;
  padding-inline: max(24px, calc((100vw - 1280px) / 2));
  background: #eef2ec;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1;
}

.section-head a,
.section-head span {
  color: var(--muted);
}

.feature-grid,
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.post-card,
.post-row,
.signal-list article,
.comment-main {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.post-card {
  min-height: 240px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.post-card h3 {
  margin: 0 0 14px;
  font-size: 30px;
  line-height: 1.05;
}

.post-card p,
.post-row p {
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 13px;
}

.signal-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

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

.signal-list article {
  padding: 18px;
}

.source-title {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 780;
  line-height: 1.3;
}

.source-title:hover {
  color: var(--accent);
}

.signal-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.signal-meta span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.signal-meta small {
  color: var(--muted);
}

.signal-list p {
  margin: 0;
}

.page-title {
  padding: 80px 0 48px;
}

.post-list {
  display: grid;
  gap: 12px;
}

.post-row {
  display: grid;
  grid-template-columns: 160px 1fr 1.4fr;
  gap: 20px;
  align-items: center;
  padding: 20px;
}

.post-row a {
  font-size: 22px;
  font-weight: 750;
}

.post-row span,
.post-row small {
  display: block;
  color: var(--muted);
}

.article-shell {
  padding: 72px 0 24px;
}

.article-hero {
  max-width: 980px;
}

.inner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.inner-actions a,
.comment-form button {
  background: var(--ink);
  color: white;
}

.inner-actions a:nth-child(2),
.inner-actions a:nth-child(3) {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line);
}

.article-body {
  width: min(100%, 900px);
  margin-top: 56px;
}

.lead-text {
  font-size: 24px;
  color: var(--ink);
}

.article-block h2 {
  margin-top: 48px;
  font-size: 34px;
}

.article-block p,
blockquote p {
  color: var(--muted);
  font-size: 18px;
}

blockquote {
  margin: 42px 0;
  padding: 28px;
  border-left: 4px solid var(--accent);
  background: var(--panel);
}

.code-block {
  overflow-x: auto;
  border-radius: var(--radius);
  padding: 22px;
  background: #111827;
  color: #dbeafe;
}

.media-block,
.media-gallery,
.metrics-strip {
  margin: 36px 0;
}

.media-block {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.media-block figcaption {
  padding: 14px 18px;
  color: var(--muted);
}

.media-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.media-gallery img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #111827;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metrics-strip div {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.metrics-strip div:last-child {
  border-right: 0;
}

.metrics-strip span {
  display: block;
  color: var(--muted);
}

.metrics-strip strong {
  font-size: 20px;
}

.comment-section {
  padding: 36px 0 88px;
}

.comment-form {
  display: grid;
  gap: 12px;
  width: min(100%, 900px);
  margin-bottom: 24px;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  padding: 13px 14px;
  font: inherit;
}

.comment-form textarea {
  min-height: 110px;
  resize: vertical;
}

.comment-form div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.comment-tree {
  width: min(100%, 980px);
}

.comment {
  margin-top: 12px;
}

.comment-main {
  padding: 16px;
}

.comment-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.comment-meta strong {
  color: var(--ink);
}

.comment-main button {
  border: 0;
  padding: 0;
  color: var(--accent);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.comment-children {
  margin-left: 28px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px 20px;
  }

  .nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .language-menu {
    justify-content: flex-start;
  }

  .hero,
  .page-title,
  .section-band,
  .article-shell,
  .comment-section {
    width: min(100% - 28px, 100%);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 36px;
    gap: 28px;
  }

  .feature-grid,
  .app-grid,
  .signal-list,
  .signal-list.large,
  .media-gallery,
  .metrics-strip {
    grid-template-columns: 1fr;
  }

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

  .comment-children {
    margin-left: 12px;
    padding-left: 12px;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 14px;
  }
}