:root{
  --bg:#f4f6fb;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#5b6478;
  --primary:#2563eb;
  --primary-2:#7c3aed;
  --accent:#06b6d4;
  --border:#e6e9f2;
  --shadow:0 10px 30px -12px rgba(15,23,42,.15);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--primary);text-decoration:none;transition:.2s}
a:hover{color:var(--primary-2)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;max-width:1240px;margin:0 auto}
.logo{font-family:'Montserrat',sans-serif;font-weight:800;font-size:22px;letter-spacing:-.5px;background:linear-gradient(90deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:28px;flex-wrap:wrap}
.nav a{color:var(--text);font-weight:500;font-size:15px}
.nav a:hover{color:var(--primary)}

/* Hero */
.hero{
  position:relative;
  padding:96px 24px 80px;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(124,58,237,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 30%,rgba(6,182,212,.18),transparent 60%),
    linear-gradient(180deg,#eef2ff 0%,var(--bg) 100%);
  overflow:hidden;
}
.hero-inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.hero h1{font-family:'Montserrat',sans-serif;font-size:clamp(32px,4.6vw,56px);line-height:1.1;font-weight:800;letter-spacing:-1px}
.hero h1 span{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin-top:20px;color:var(--muted);font-size:18px;max-width:560px}
.hero-cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:15px;transition:.25s;border:1px solid transparent}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 30px -10px rgba(37,99,235,.55)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--primary)}
.hero-img{border-radius:24px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}

/* Section */
.section{padding:72px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:36px;gap:16px;flex-wrap:wrap}
.section-head h2{font-family:'Montserrat',sans-serif;font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.5px}
.section-head p{color:var(--muted);max-width:560px}
.eyebrow{display:inline-block;padding:6px 12px;background:#eef2ff;color:var(--primary);border-radius:999px;font-size:13px;font-weight:600;margin-bottom:12px}

/* Cards grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#dfe5f3}
.card-media{aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s}
.card:hover .card-media img{transform:scale(1.06)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tag{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--accent)}
.card h3{font-family:'Montserrat',sans-serif;font-size:19px;font-weight:700;line-height:1.35;color:var(--text)}
.card p{color:var(--muted);font-size:14.5px;flex:1}
.card-link{color:var(--primary);font-weight:600;font-size:14px;margin-top:6px}

/* Article layout */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:56px 0}
.article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow)}
.article h1{font-family:'Montserrat',sans-serif;font-size:clamp(28px,3.4vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:28px;display:flex;gap:14px;flex-wrap:wrap}
.article .meta span{display:inline-flex;align-items:center;gap:6px}
.article p{margin:0 0 18px;font-size:17px;color:#1f2638}
.article h2{font-family:'Montserrat',sans-serif;font-size:26px;font-weight:700;margin:36px 0 14px;letter-spacing:-.3px}
.article h3{font-family:'Montserrat',sans-serif;font-size:20px;font-weight:700;margin:26px 0 10px}
.article ul,.article ol{margin:0 0 22px 22px;color:#1f2638}
.article li{margin-bottom:8px}
.article img{margin:24px 0;border-radius:14px;box-shadow:var(--shadow)}
.article blockquote{border-left:4px solid var(--primary);background:#eef2ff;padding:16px 22px;border-radius:10px;margin:24px 0;color:#1f2638;font-style:italic}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;align-self:start}
.widget{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.widget h4{font-family:'Montserrat',sans-serif;font-size:16px;margin-bottom:14px;letter-spacing:.2px}
.widget ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.widget li a{display:block;font-size:14.5px;color:var(--text);padding:8px 10px;border-radius:10px;transition:.2s}
.widget li a:hover{background:#eef2ff;color:var(--primary)}

/* Ads */
.ad{
  background:linear-gradient(135deg,#eef2ff,#f5f3ff);
  border:1px dashed #cdd5f0;border-radius:14px;padding:18px;
  text-align:center;color:var(--muted);font-size:13px;margin:18px 0;
}
.ad-header-slot{background:transparent;border:none;padding:10px 0 0}
.ad-header-slot .ad{margin:0}

/* Footer */
.site-footer{background:#0b1020;color:#cbd1e3;margin-top:80px;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.site-footer h5{font-family:'Montserrat',sans-serif;color:#fff;margin-bottom:14px;font-size:15px;letter-spacing:.4px;text-transform:uppercase}
.site-footer a{color:#cbd1e3}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14.5px}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid #1c2440;font-size:13px;color:#8993b0;text-align:center}

/* Responsive */
@media (max-width:980px){
  .hero{padding:64px 20px 56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .article-wrap{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static}
  .article{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{gap:14px;font-size:14px}
  .section{padding:56px 0}
}