:root {
  --bg: #ffffff;
  --ink: #0f172a;
  --muted: #5b6b82;
  --accent: #4f46e5;
  --accent-2: #2563eb;
  --accent-dark: #4338ca;
  --soft: #f6f7fb;
  --border: #e5e9f2;
  --dark: #0b1120;
  --radius: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
::selection { background: #c7d2fe; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }
.wrap-wide { max-width: 1040px; margin: 0 auto; padding: 0 22px; }
a { color: var(--accent-2); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.site-header .wrap-wide { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 800; font-size: 22px; color: var(--ink); text-decoration: none; letter-spacing: -0.5px; }
.brand span { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
nav a { color: var(--muted); text-decoration: none; margin-left: 24px; font-size: 15px; font-weight: 500; }
nav a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  color: #fff;
  padding: 92px 0 76px;
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(79, 70, 229, .45), transparent 60%),
    radial-gradient(500px 280px at 10% 90%, rgba(37, 99, 235, .35), transparent 60%),
    linear-gradient(135deg, #0b1120 0%, #171233 55%, #1e1b4b 100%);
}
.badge {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  color: #c7d2fe;
  border: 1px solid rgba(199, 210, 254, .35);
  background: rgba(79, 70, 229, .18);
  padding: 7px 16px; border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.12; letter-spacing: -1.4px; margin-bottom: 18px; font-weight: 800; }
.hero h1 .grad {
  background: linear-gradient(100deg, #a5b4fc, #60a5fa 60%, #38bdf8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { font-size: 19px; color: #c3cbe0; max-width: 640px; margin-bottom: 26px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 14.5px; color: #aab4d4; font-weight: 500; }
.hero-points span::before { content: "✓ "; color: #6ee7b7; font-weight: 700; }

/* ---------- Post cards ---------- */
.cards-section { background: var(--soft); padding: 56px 0 72px; }
.section-title { font-size: 24px; letter-spacing: -0.5px; margin: 0 0 8px; font-weight: 800; }
.section-sub { color: var(--muted); font-size: 16px; margin-bottom: 26px; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  text-decoration: none; color: var(--ink); background: #fff;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  display: flex; flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(79, 70, 229, .14);
  border-color: #c7d2fe;
}
.card .kicker {
  align-self: flex-start;
  font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--accent); background: #eef2ff;
  padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.card h2 { font-size: 21px; line-height: 1.35; margin-bottom: 10px; letter-spacing: -0.3px; }
.card p { font-size: 15px; color: var(--muted); flex: 1; }
.card .read-more { margin-top: 18px; font-weight: 700; font-size: 15px; color: var(--accent); }
.card:hover .read-more { color: var(--accent-dark); }

/* ---------- Article ---------- */
.article { padding: 52px 0 68px; }
.article h1 { font-size: 36px; line-height: 1.22; letter-spacing: -0.9px; margin-bottom: 12px; font-weight: 800; }
.article .meta { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.article h2 { font-size: 26px; margin: 44px 0 14px; letter-spacing: -0.5px; font-weight: 800; }
.article h3 { font-size: 19px; margin: 30px 0 10px; font-weight: 700; }
.article p { margin-bottom: 18px; }
.article ul, .article ol { margin: 0 0 20px 24px; }
.article li { margin-bottom: 8px; }
.article strong { font-weight: 700; }
.disclosure {
  background: #eef2ff; border-left: 4px solid var(--accent);
  padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px; color: #4c4f6e; margin: 0 0 30px;
}
.table-wrap { overflow-x: auto; margin: 0 0 26px; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 2px 10px rgba(15, 23, 42, .04); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 13px 15px; border-bottom: 1px solid var(--border); }
th { background: #eef2ff; color: #3730a3; font-weight: 700; white-space: nowrap; font-size: 13.5px; text-transform: uppercase; letter-spacing: .4px; }
tr:last-child td { border-bottom: none; }
.cta-box { background: linear-gradient(180deg, #eef4ff, #e4ecff); border: 1px solid #bfdbfe; border-radius: var(--radius); padding: 24px 22px; margin: 30px 0; text-align: center; }
.cta-box a {
  display: inline-block;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; text-decoration: none;
  padding: 13px 32px; border-radius: 10px; font-size: 16px;
  box-shadow: 0 6px 18px rgba(79, 70, 229, .35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta-box a:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(79, 70, 229, .45); }
.cta-box small { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.verdict { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: var(--radius); padding: 18px 22px; margin: 24px 0; font-size: 16px; }

/* ---------- About ---------- */
.about-hero { padding: 60px 0 8px; }
.about-hero h1 { font-size: 36px; letter-spacing: -0.9px; margin-bottom: 14px; font-weight: 800; }
.about-body { padding: 8px 0 68px; }
.about-body h2 { font-size: 23px; margin: 36px 0 12px; font-weight: 800; letter-spacing: -0.4px; }
.about-body p { margin-bottom: 16px; }
.about-body ul { margin: 0 0 18px 24px; }
.about-body li { margin-bottom: 8px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #94a3b8; padding: 52px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 36px; padding-bottom: 40px; }
.brand-light { color: #fff; }
.footer-tag { margin-top: 12px; max-width: 300px; }
.footer-head { color: #fff; font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.footer-grid a.f-link { display: block; color: #94a3b8; text-decoration: none; margin-bottom: 10px; }
.footer-grid a.f-link:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(148, 163, 184, .18); padding: 20px 0; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 32px; }
  .article h1 { font-size: 28px; }
  .cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  nav a { margin-left: 14px; }
}