:root{
  --bg:#f7fbff;
  --surface:#ffffff;
  --ink:#0c223a;
  --muted:#516176;
  --accent:#1b5cff;
  --accent-2:#0ea5e9;
  --ring:#d6e3ff;
  --border:#e7eef8;
  --card:#ffffff;
  --shadow:0 10px 30px rgba(16, 42, 80, .08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";color:var(--ink);background:radial-gradient(1200px 800px at 50% -10%, #eef5ff, var(--bg));}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Layout */
header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:58px}
.brand .title{font-weight:900;letter-spacing:.2px}
.brand .subtitle{font-size:12px;color:var(--muted);margin-top:-4px}
nav a{margin-left:16px;font-weight:600;color:#14345c}
/* Header leaderboard ad (hidden by default) */
.ad-slot{display:none;align-items:center;justify-content:center;border:1px dashed var(--border);background:#f9fbff;border-radius:12px;box-shadow:var(--shadow)}
.ad-leader{width:100%;height:auto}
.ad-728x90{width:728px;max-width:100%;min-height:90px}
.ad-250{width:250px;max-width:100%;min-height:250px}
/* Show ad-slot when populated via JS */
.ad-slot.filled{display:flex}

main{padding:28px 0}
.grid{display:grid;grid-template-columns:1fr 340px;gap:24px}
.hero{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:28px}
.hero h1{margin:0 0 10px;font-size:40px;line-height:1.1}
.hero p.lead{color:#24486e;font-size:18px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 18px}
.badge{background:#eef5ff;border:1px solid var(--ring);color:#0f3a79;padding:5px 10px;border-radius:999px;font-size:12px}
.button{display:inline-block;background:linear-gradient(180deg,#ffd76b,#ffc233);border:1px solid #f3bd2a;color:#1c1600;font-weight:800;border-radius:12px;padding:12px 16px;box-shadow:0 10px 20px rgba(255,199,60,.25)}
.button:hover{text-decoration:none;filter:brightness(0.98)}
.button.sec{background:#eff6ff;border:1px solid var(--ring);color:#0c223a}
.hero-side{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:20px}

.section{margin-top:28px}
.kicker{letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-size:12px;margin-bottom:6px}
h2{margin:0 0 10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.card .media{aspect-ratio:16/9;background:linear-gradient(135deg,#c9e3ff,#eff6ff)}
.card .body{padding:14px}
.card h4{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
.tag{display:inline-block;font-size:11px;background:#eef5ff;border:1px solid var(--ring);padding:4px 8px;border-radius:999px;margin-right:6px;margin-top:8px}

aside.sidebar{display:flex;flex-direction:column;gap:16px}
.widget{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:16px}
.widget h3{margin:0 0 8px}
form .row{display:flex;gap:10px;flex-direction:column}
input,button,textarea{font-family:inherit}
input[type="text"], input[type="email"]{background:#fff;border:1px solid var(--ring);border-radius:10px;padding:12px;color:#0c223a}
input[type="text"]:focus, input[type="email"]:focus{outline:none;box-shadow:0 0 0 4px rgba(27,92,255,.12);border-color:#9fc2ff}
button[type="submit"]{background:linear-gradient(180deg,#1b5cff,#1647c7);border:0;color:#fff;padding:12px 14px;border-radius:10px;font-weight:800;box-shadow:0 8px 20px rgba(27,92,255,.25)}
.small{font-size:12px;color:var(--muted)}

.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.product{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:16px}
.product .media{aspect-ratio:4/3;background:linear-gradient(135deg,#f3f8ff,#e6f2ff);border-radius:12px;margin-bottom:10px}
.price{font-weight:900}

footer{margin-top:24px;background:var(--surface);border-top:1px solid var(--border)}
.footer-inner{padding:18px 0}
.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.notice{font-size:12px;color:var(--muted);margin-top:8px}

/* Responsive */
@media (max-width: 1024px){
  .cards, .store-grid{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .cards, .store-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
}