@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #07070b;
  --surface: #0d0c12;
  --surface-2: #111017;
  --surface-3: #15131c;
  --border: rgba(178, 119, 255, .18);
  --border-strong: rgba(178, 119, 255, .32);
  --text: #f5f2fa;
  --muted: #9a94a6;
  --muted-2: #6f697c;
  --accent: #bd7aff;
  --accent-2: #d49cff;
  --success: #66e3a2;
  --warning: #f2c46d;
  --danger: #ff7777;
  --max: 1080px;
  --reading: 850px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(189,122,255,.10), transparent 35rem),
    radial-gradient(circle at 100% 40%, rgba(189,122,255,.035), transparent 28rem),
    var(--bg);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: radial-gradient(rgba(255,255,255,.22) .5px, transparent .5px);
  background-size: 4px 4px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color .18s ease, opacity .18s ease;
}

a:hover { color: #fff; }

::selection {
  background: rgba(189,122,255,.32);
  color: #fff;
}

/* Shared shell */
.blog-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.blog-nav {
  height: 76px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.blog-brand {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.blog-brand:hover { color: var(--accent-2); }

/* Blog index */
.blog-hero {
  padding: 92px 0 68px;
  text-align: center;
}

.blog-eyebrow,
.post-category {
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.blog-hero h1 {
  max-width: 850px;
  margin: 10px auto 14px;
  font-size: clamp(46px, 8vw, 88px);
  line-height: .98;
  letter-spacing: -.065em;
}

.blog-hero h1 span {
  background: linear-gradient(90deg, #fff 20%, var(--accent) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-hero p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
}

.blog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--border);
}

.post-count {
  color: var(--muted);
  font-size: 12px;
}

.post-count::before {
  content: "— ";
  color: var(--accent);
}

.search-wrap {
  position: relative;
  width: min(100%, 360px);
}

.search-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  color: var(--muted);
}

#blog-search {
  width: 100%;
  height: 42px;
  padding: 0 14px 0 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  color: var(--text);
  background: rgba(13,12,18,.82);
  font: inherit;
  font-size: 12px;
  transition: border-color .18s ease, box-shadow .18s ease;
}

#blog-search::placeholder { color: var(--muted-2); }

#blog-search:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 3px rgba(189,122,255,.07);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0 0 88px;
}

.post-card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(17,16,23,.92), rgba(10,9,13,.92));
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.post-card::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(189,122,255,.55), transparent);
  opacity: 0;
  transition: opacity .2s ease;
}

.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: linear-gradient(145deg, rgba(22,19,30,.98), rgba(11,10,15,.98));
}

.post-card:hover::after { opacity: 1; }

.post-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.post-card time {
  color: var(--muted-2);
  font-size: 11px;
}

.post-card h2 {
  margin: 22px 0 9px;
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -.035em;
}

.post-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.read-more {
  margin-top: auto;
  padding-top: 22px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 700;
}

/* Article */
.post-page {
  width: min(calc(100% - 40px), var(--reading));
  margin: 0 auto;
}

.post-header {
  padding: 76px 0 52px;
  text-align: center;
}

.post-header h1 {
  max-width: 1000px;
  margin: 12px auto 14px;
  font-size: clamp(42px, 6.2vw, 70px);
  line-height: 1.04;
  letter-spacing: -.06em;
}

.post-meta {
  color: var(--muted-2);
  font-size: 11px;
}

.post-description {
  max-width: 680px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 14px;
}

.post-content {
  padding: 54px 0 72px;
  border-top: 1px solid var(--border);
}

.post-content > :first-child { margin-top: 0; }

.post-content h2 {
  margin: 52px 0 16px;
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -.04em;
}

.post-content h3 {
  margin: 38px 0 13px;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.03em;
}

.post-content h4 {
  margin: 30px 0 10px;
  font-size: 17px;
}

.post-content p {
  margin: 0 0 20px;
  color: #c1bcc9;
}

.post-content strong { color: #fff; }
.post-content em { color: #d8d1e1; }

.post-content ul,
.post-content ol {
  margin: 0 0 24px;
  padding-left: 25px;
  color: #c1bcc9;
}

.post-content li { padding-left: 5px; margin: 5px 0; }

.post-content li::marker { color: var(--accent); }

.post-content blockquote {
  margin: 28px 0;
  padding: 14px 20px;
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: rgba(189,122,255,.055);
  color: #d8d1e1;
}

.post-content hr {
  margin: 42px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.post-content img {
  display: block;
  width: 100%;
  height: auto;
  margin: 30px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.post-content a {
  border-bottom: 1px solid rgba(212,156,255,.3);
}

.post-content code {
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: rgba(189,122,255,.08);
  color: #dfbaff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
}

.post-content pre {
  margin: 26px 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
  background: #0a090e;
  box-shadow: inset 0 1px rgba(255,255,255,.025);
}

.post-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: #d8d2df;
  font-size: 13px;
  line-height: 1.7;
}

.post-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
}

.post-content th,
.post-content td {
  padding: 11px 14px;
  text-align: left;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.post-content th {
  color: #fff;
  background: rgba(189,122,255,.07);
  font-weight: 700;
}

.post-content td { color: var(--muted); }
.post-content tr:last-child td { border-bottom: 0; }
.post-content th:last-child,
.post-content td:last-child { border-right: 0; }

.callout {
  margin: 28px 0;
  padding: 17px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.callout-title {
  margin-bottom: 4px;
  color: var(--accent-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.callout p:last-child { margin-bottom: 0; }

.callout.tip { border-color: rgba(102,227,162,.3); }
.callout.tip .callout-title { color: var(--success); }

.callout.warning { border-color: rgba(242,196,109,.3); }
.callout.warning .callout-title { color: var(--warning); }

.callout.danger { border-color: rgba(255,119,119,.3); }
.callout.danger .callout-title { color: var(--danger); }

.post-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 72px;
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.post-footer a { color: var(--muted); }
.post-footer a:hover { color: var(--accent-2); }

.post-error {
  margin: 80px 0;
  color: var(--danger);
}

/* Footer */
.blog-footer {
  margin-top: auto;
  padding: 38px 0;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 11px;
}

.blog-footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

/* Responsive */
@media (max-width: 720px) {
  .blog-shell,
  .post-page {
    width: min(calc(100% - 28px), var(--max));
  }

  .blog-nav { height: 64px; }

  .blog-hero {
    padding: 64px 0 48px;
  }

  .blog-hero h1 { font-size: clamp(42px, 13vw, 64px); }

  .blog-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .search-wrap { width: 100%; }

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

  .post-header {
    padding: 58px 0 42px;
  }

  .post-header h1 {
    font-size: clamp(38px, 11vw, 58px);
  }

  .post-content {
    padding-top: 40px;
  }

  .post-content h2 {
    margin-top: 42px;
    font-size: 25px;
  }

  .post-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .blog-footer-inner {
    flex-direction: column;
  }
}