:root{
  --bg:#0f1220;
  --card:#14182c;
  --text:#e7e8ee;
  --muted:#aab0c5;
  --accent:#5ad0b5;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans',sans-serif;line-height:1.6;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:1100px;margin:0 auto;padding:0 20px;}
header{position:sticky;top:0;background:rgba(15,18,32,.8);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid #2a2f4a;z-index:50;}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.brand{font-weight:700;font-size:20px;letter-spacing:.4px;}
.menu{display:flex;gap:18px;align-items:center;}
.menu a{color:var(--text);opacity:.9;}
.cta{padding:8px 14px;background:var(--accent);color:#0b0e1a;border-radius:10px;font-weight:600;}
.hero{padding:56px 0 28px;border-bottom:1px solid #232841;background:linear-gradient(180deg,rgba(90,208,181,.08),transparent);}
.hero h1{font-size:40px;line-height:1.15;margin:0 0 10px;}
.hero p{color:var(--muted);font-size:18px;margin:0;}
.grid{display:grid;gap:18px;}
.grid.cards{grid-template-columns:repeat(3,1fr);}
.card{background:var(--card);border:1px solid #232841;border-radius:16px;padding:18px;transition:transform .15s ease, box-shadow .15s ease;}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.22);}
.card h3{margin:0 0 8px;font-size:18px;}
.meta{color:var(--muted);font-size:12px;margin-top:6px;}
footer{border-top:1px solid #232841;margin-top:32px;padding:24px 0;color:var(--muted);font-size:14px;}
.post h1{font-size:34px;margin:6px 0 6px;}
.post .content p{margin:14px 0;}
.post .content h3{margin:22px 0 8px;}
.related{margin-top:28px;padding-top:18px;border-top:1px solid #232841;}
.badge{display:inline-block;padding:3px 8px;border:1px solid #2a2f4a;border-radius:999px;color:var(--muted);font-size:12px;margin-right:8px;}
.topbar{display:flex;gap:10px;align-items:center;}
/* Desktop centered dropdown menu */
.nav-center{position:relative;}
.nav-center .dropdown-btn{display:none;}
.nav-center .links{display:flex;gap:16px;justify-content:center;align-items:center;}
/* Mobile hamburger */
.hamburger{display:none;width:28px;height:20px;flex-direction:column;justify-content:space-between;cursor:pointer;}
.hamburger span{display:block;height:3px;background:var(--text);border-radius:2px;}
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(10,13,26,.95);padding:70px 24px;z-index:40;}
.mobile-menu a{display:block;color:var(--text);padding:10px 0;border-bottom:1px solid #232841;}
.show{display:block !important;}
/* Tools */
.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.tool{background:var(--card);border:1px solid #232841;border-radius:16px;padding:16px;}
label{display:block;margin:6px 0 2px;color:var(--muted);font-size:14px;}
input,select,button,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid #2a2f4a;background:#0c0f1d;color:var(--text);}
button{cursor:pointer;background:var(--accent);color:#0b0e1a;font-weight:700;}
.result{margin-top:10px;color:var(--accent);font-weight:700;}
.chart{background:var(--card);border:1px solid #232841;border-radius:16px;padding:12px;}
/* Cookie banner */
#cookie-banner{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:#0c1022;border:1px solid #2a2f4a;border-radius:12px;padding:12px 14px;color:var(--text);display:none;z-index:60;max-width:720px;}
#cookie-banner button{width:auto;margin-left:10px;}
@media(max-width:900px){
  .grid.cards{grid-template-columns:1fr;}
  .tools-grid{grid-template-columns:1fr;}
  .nav-center .links{display:none;}
  .hamburger{display:flex;}
}