:root {
  --blue: #1a6cff;
  --blue-dark: #0f54d4;
  --blue-soft: #e8f0ff;
  --ink: #1c2433;
  --muted: #5c6578;
  --card: #ffffff;
  --line: rgba(28, 36, 51, 0.1);
  --ok: #0d7a4f;
  --ok-bg: #e8f7ef;
  --news: #0f766e;
  --news-bg: #e6f7f4;
  --privacy: #5b21b6;
  --privacy-bg: #f3e8ff;
  --top-h: 56px;
  --max: 880px;
  --readable: 720px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: "Nunito", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse 900px 520px at 8% -10%, rgba(26, 108, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 700px 480px at 100% 0%, rgba(56, 189, 248, 0.1), transparent 50%),
    linear-gradient(140deg, #e8f2ff 0%, #f7fbff 48%, #eef8f3 100%);
}

a {
  color: var(--blue-dark);
  text-underline-offset: 2px;
}

a:hover { color: var(--blue); }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--blue);
  color: #fff;
  padding: 8px 12px;
}

.skip:focus { left: 8px; top: 8px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: var(--top-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
}

.top-links {
  margin-left: auto;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  font-weight: 700;
  align-items: center;
}

.top-links a {
  text-decoration: none;
  color: var(--ink);
}

.top-links a:hover,
.top-links a[aria-current="page"] { color: var(--blue); }

.wrap {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 64px;
  flex: 1;
}

.wrap.article-wrap {
  width: min(100% - 32px, var(--readable));
}

.hero { margin-bottom: 22px; }

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 42rem;
  line-height: 1.5;
}

.search-box {
  position: relative;
  margin: 18px 0 0;
  max-width: 520px;
}

.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 12px 14px 12px 42px;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  box-shadow: 0 8px 24px rgba(26, 108, 255, 0.08);
}

.search-box input:focus {
  border-color: rgba(26, 108, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(26, 108, 255, 0.12);
}

.search-box .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 800;
}

.chip:hover,
.chip[aria-current="page"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.featured {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 24px;
  margin-bottom: 22px;
  box-shadow: 0 12px 32px rgba(28, 36, 51, 0.06);
}

.featured:hover {
  border-color: rgba(26, 108, 255, 0.35);
}

.featured .kicker {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.featured h2 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.featured p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.5;
}

.featured .more {
  font-weight: 800;
  color: var(--blue-dark);
}

.section-label {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 800;
}

.feed { display: grid; gap: 10px; }

.post-card {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 8px 18px;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: 0 8px 24px rgba(28, 36, 51, 0.04);
}

.post-card:hover {
  border-color: rgba(26, 108, 255, 0.35);
}

.post-card .when {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  padding-top: 3px;
}

.post-card h2 {
  margin: 0 0 4px;
  font-size: 1.08rem;
  font-weight: 800;
}

.post-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}

.badge.product { background: var(--blue-soft); color: var(--blue-dark); }
.badge.news { background: var(--news-bg); color: var(--news); }
.badge.privacy { background: var(--privacy-bg); color: var(--privacy); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 14px;
}

.crumbs a { text-decoration: none; font-weight: 700; }

.article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 28px 16px;
  box-shadow: 0 8px 24px rgba(28, 36, 51, 0.04);
}

.article header { margin-bottom: 8px; }

.article h1 {
  margin: 0 0 10px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.article .lede {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 1.05rem;
}

.article .body {
  line-height: 1.65;
  font-size: 1.02rem;
}

.article .body h2,
.article .body h3 {
  margin-top: 1.4em;
  font-weight: 800;
}

.article .body p,
.article .body ul,
.article .body ol,
.article .body table {
  margin: 0 0 1em;
}

.article .body ul,
.article .body ol { padding-left: 1.2rem; }

.article .body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.article .body th,
.article .body td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.article .body th { background: var(--blue-soft); }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  font-size: 0.9rem;
  font-weight: 700;
}

.pager a { text-decoration: none; }

.notes {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin-top: 22px;
}

.notes ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.55;
}

.notes li { margin: 4px 0; }

.empty {
  color: var(--muted);
  padding: 12px 4px;
}

.footer {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 18px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.footer a { font-weight: 700; text-decoration: none; }
.footer a:hover { color: var(--blue); }

.feed-url {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: stretch;
  margin: 0 0 1em;
}

.feed-url code {
  flex: 1 1 12rem;
  background: var(--blue-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.92rem;
  word-break: break-all;
  font-weight: 700;
  color: var(--ink);
}

.feed-url button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-weight: 800;
  padding: 10px 16px;
  cursor: pointer;
}

.feed-url button:hover { background: var(--blue-dark); }

.feed-url button:focus-visible {
  outline: 3px solid rgba(26, 108, 255, 0.35);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .top-links {
    width: 100%;
    margin-left: 0;
    gap: 10px 14px;
    font-size: 0.82rem;
  }

  .post-card {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .article { padding: 20px 16px 12px; }
}