:root {
  --bg: #f5f7fb;
  --bg-elevated: #ffffff;
  --bg-soft: #eef2ff;
  --accent: #2563eb;
  --accent-soft: rgba(37,99,235,0.12);
  --accent-soft2: rgba(129,140,248,0.10);
  --accent-grad: linear-gradient(120deg,#2563eb,#7c3aed);
  --accent-grad-soft: linear-gradient(145deg,rgba(37,99,235,0.04),rgba(124,58,237,0.02));
  --text-main: #0f172a;
  --text-soft: #6b7280;
  --border-soft: rgba(148,163,253,0.45);
  --radius-xl: 22px;
  --radius-lg: 18px;
  --shadow-soft: 0 22px 60px rgba(15,23,42,0.12);
  --font-main: system-ui,-apple-system,BlinkMacSystemFont,"SF Pro Text",-system-ui,sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background:
    radial-gradient(circle at top left, rgba(124,58,237,0.10), transparent 60%),
    radial-gradient(circle at top right, rgba(37,99,235,0.08), transparent 55%),
    var(--bg);
  color: var(--text-main);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
}
header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background:
    linear-gradient(to bottom, rgba(245,247,251,0.98), rgba(245,247,251,0.92));
  border-bottom: 1px solid rgba(199,210,254,0.9);
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: var(--accent-grad);
  display: grid;
  place-items: center;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 10px 32px rgba(37,99,235,0.4);
}
.logo-text {
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-main);
  font-size: 15px;
}
.logo-sub {
  font-size: 10px;
  color: var(--text-soft);
}
.menu {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}
.menu a {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-soft);
  background: transparent;
}
.menu a.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(129,140,248,0.7);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(260px, 2fr);
  gap: 32px;
  padding: 38px 0 24px;
}
.hero-main h1 {
  font-size: 40px;
  line-height: 1.16;
  margin: 0 0 14px;
}
.hero-main p {
  margin: 0 0 18px;
  color: var(--text-soft);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--accent-soft2);
  color: #4b5563;
  font-size: 11px;
  margin-bottom: 8px;
}
.badge span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #22c55e;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 17px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  box-shadow: var(--shadow-soft);
}
.btn-primary {
  background: var(--accent-grad);
  color: #ffffff;
}
.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid rgba(199,210,254,1);
}
.hero-side {
  align-self: center;
}
.hero-card {
  background: var(--bg-elevated);
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 8px;
  font-size: 12px;
  background-image: var(--accent-grad-soft);
}
.hero-card h3 {
  margin: 0;
  font-size: 15px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--accent-soft2);
  color: var(--text-soft);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(260px,1fr));
  gap: 18px;
  margin: 22px 0 26px;
}
.card {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  border: 1px solid rgba(226,232,255,0.98);
  box-shadow: 0 12px 32px rgba(15,23,42,0.06);
}
.card h2, .card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
}
.card ul {
  margin: 6px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 12px;
}
.breadcrumbs {
  font-size: 11px;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.page-title {
  font-size: 26px;
  margin: 4px 0 6px;
}
.page-sub {
  font-size: 13px;
  color: var(--text-soft);
  max-width: 820px;
}
.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(260px,1fr));
  gap: 14px;
  margin-top: 18px;
}
.blog-item {
  background: var(--bg-elevated);
  padding: 11px 11px 10px;
  border-radius: 16px;
  border: 1px solid rgba(226,232,255,0.98);
  box-shadow: 0 8px 24px rgba(148,163,253,0.16);
  font-size: 12px;
}
.blog-item h3 {
  margin: 0 0 5px;
  font-size: 14px;
}
.blog-item p {
  margin: 0;
  color: var(--text-soft);
}
.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
  color: #9ca3af;
  font-size: 9px;
}
article.post {
  margin-top: 8px;
}
article.post h2 {
  font-size: 17px;
  margin: 12px 0 4px;
}
article.post p {
  font-size: 13px;
  color: var(--text-soft);
  margin: 4px 0;
}
article.post ul {
  font-size: 12px;
  color: var(--text-soft);
  padding-left: 18px;
}
.section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9ca3af;
  margin-top: 8px;
}
footer {
  margin-top: 40px;
  padding: 18px 0 26px;
  font-size: 11px;
  color: var(--text-soft);
}
footer .row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 11px;
  background: var(--bg-soft);
  padding: 1px 4px;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
}