:root{--b-accent:#6366f1;--b-accent2:#8b5cf6;--b-grad:linear-gradient(135deg,#6366f1,#8b5cf6 60%,#ec4899);--b-bg:#ffffff;--b-bg2:#f8fafc;--b-bg3:#f1f5f9;--b-text:#1e293b;--b-muted:#64748b;--b-border:#e2e8f0;--b-card:#ffffff;--b-radius:16px}
[data-theme="dark"]{--b-bg:#0f172a;--b-bg2:#1e293b;--b-bg3:#334155;--b-text:#f1f5f9;--b-muted:#94a3b8;--b-border:#334155;--b-card:#1e293b}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--b-bg);color:var(--b-text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--b-accent);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.bcontainer{max-width:1140px;margin:0 auto;padding:0 20px}
.bcontainer-narrow{max-width:820px;margin:0 auto;padding:0 20px}
/* Nav */
.bnav{position:sticky;top:0;z-index:100;background:var(--b-card);border-bottom:1px solid var(--b-border);backdrop-filter:blur(10px)}
.bnav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.blogo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--b-text)}
.blogo:hover{text-decoration:none}
.blogo-icon{width:36px;height:36px;background:var(--b-grad);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.bnav-links{display:flex;gap:22px;align-items:center}
.bnav-links a{color:var(--b-muted);font-weight:500;font-size:14px}
.bnav-links a:hover{color:var(--b-accent);text-decoration:none}
.bnav-cta{background:var(--b-grad);color:#fff !important;padding:9px 18px;border-radius:10px;font-weight:600;font-size:14px}
.bnav-cta:hover{text-decoration:none;opacity:.92}
.bmenu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--b-text)}
/* Hero */
.bhero{background:var(--b-grad);color:#fff;padding:60px 0;text-align:center;position:relative;overflow:hidden}
.bhero::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.18),transparent 55%)}
.bhero *{position:relative;z-index:1}
.bhero h1{font-size:clamp(28px,5vw,44px);font-weight:900;letter-spacing:-1px;margin-bottom:14px}
.bhero p{font-size:clamp(15px,2.5vw,19px);opacity:.95;max-width:640px;margin:0 auto 24px}
.bsearch{max-width:520px;margin:0 auto;position:relative}
.bsearch input{width:100%;padding:15px 20px;border:none;border-radius:14px;font-size:16px;box-shadow:0 8px 30px rgba(0,0,0,.15)}
.bsearch input:focus{outline:none}
/* Section */
.bsection{padding:50px 0}
.bsection h2{font-size:clamp(22px,4vw,30px);font-weight:800;margin-bottom:8px;letter-spacing:-.5px}
.bsection .sub{color:var(--b-muted);margin-bottom:28px;font-size:15px}
/* Category pills */
.bcats{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.bcat-pill{padding:10px 20px;border-radius:100px;background:var(--b-card);border:1px solid var(--b-border);font-weight:600;font-size:14px;color:var(--b-text);cursor:pointer;transition:all .2s}
.bcat-pill:hover,.bcat-pill.active{background:var(--b-grad);color:#fff;border-color:transparent;text-decoration:none}
/* Tool/post grid */
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.bpost-card{background:var(--b-card);border:1px solid var(--b-border);border-radius:var(--b-radius);padding:22px;transition:all .25s;display:block;color:var(--b-text)}
.bpost-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(99,102,241,.15);border-color:var(--b-accent);text-decoration:none}
.bpost-card .emoji{font-size:34px;margin-bottom:12px;display:block}
.bpost-card h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--b-text)}
.bpost-card p{font-size:13px;color:var(--b-muted);line-height:1.5}
.bpost-card .cat-tag{display:inline-block;margin-top:12px;font-size:11px;font-weight:600;color:var(--b-accent);background:var(--b-bg3);padding:3px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:.5px}
/* Breadcrumb */
.bbreadcrumb{font-size:13px;color:var(--b-muted);padding:16px 0}
.bbreadcrumb a{color:var(--b-muted)}
.bbreadcrumb a:hover{color:var(--b-accent)}
/* Article */
.barticle{padding:30px 0 60px}
.barticle h1{font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.8px;margin-bottom:16px;line-height:1.25}
.barticle .lead{font-size:18px;color:var(--b-muted);margin-bottom:28px;line-height:1.7}
.barticle h2{font-size:24px;font-weight:800;margin:36px 0 14px;letter-spacing:-.4px}
.barticle h3{font-size:19px;font-weight:700;margin:24px 0 10px}
.barticle p{margin-bottom:16px;font-size:16px}
.barticle ul,.barticle ol{margin:0 0 20px;padding-left:24px}
.barticle li{margin-bottom:10px;font-size:16px}
.barticle .article-emoji{font-size:56px;margin-bottom:12px}
/* CTA box */
.bcta{background:var(--b-grad);border-radius:20px;padding:32px;text-align:center;color:#fff;margin:32px 0;box-shadow:0 12px 40px rgba(99,102,241,.3)}
.bcta h3{color:#fff;font-size:22px;font-weight:800;margin-bottom:8px}
.bcta p{color:rgba(255,255,255,.92);margin-bottom:18px}
.bcta-btn{display:inline-block;background:#fff;color:var(--b-accent) !important;padding:14px 32px;border-radius:12px;font-weight:800;font-size:16px;transition:transform .2s}
.bcta-btn:hover{transform:scale(1.04);text-decoration:none}
.bcta-mini{background:var(--b-bg2);border:2px dashed var(--b-accent);border-radius:14px;padding:20px;text-align:center;margin:24px 0}
.bcta-mini a{font-weight:700}
/* FAQ */
.bfaq{background:var(--b-card);border:1px solid var(--b-border);border-radius:12px;margin-bottom:12px;overflow:hidden}
.bfaq summary{padding:18px 20px;font-weight:700;cursor:pointer;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.bfaq summary::-webkit-details-marker{display:none}
.bfaq summary::after{content:'+';font-size:22px;color:var(--b-accent)}
.bfaq[open] summary::after{content:'−'}
.bfaq .ans{padding:0 20px 18px;color:var(--b-muted);font-size:15px}
/* Features list */
.bfeatures{list-style:none;padding:0 !important}
.bfeatures li{padding-left:30px;position:relative;margin-bottom:12px}
.bfeatures li::before{content:'✓';position:absolute;left:0;color:#10b981;font-weight:800;font-size:18px}
/* Steps */
.bsteps{list-style:none;padding:0 !important;counter-reset:step}
.bsteps li{padding-left:46px;position:relative;margin-bottom:16px;counter-increment:step}
.bsteps li::before{content:counter(step);position:absolute;left:0;top:0;width:32px;height:32px;background:var(--b-grad);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
/* Related */
.brelated{background:var(--b-bg2);padding:40px 0}
/* Footer */
.bfooter{background:var(--b-bg2);border-top:1px solid var(--b-border);padding:40px 0 24px;margin-top:0}
.bfooter-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.bfooter h4{font-size:14px;font-weight:700;margin-bottom:14px}
.bfooter a{display:block;color:var(--b-muted);font-size:13px;margin-bottom:8px}
.bfooter-bottom{text-align:center;color:var(--b-muted);font-size:13px;padding-top:20px;border-top:1px solid var(--b-border)}
/* Theme toggle */
.btheme{background:none;border:1px solid var(--b-border);border-radius:8px;width:38px;height:38px;cursor:pointer;font-size:16px}
@media(max-width:768px){
  .bnav-links{display:none}
  .bmenu-btn{display:block}
  .bnav-links.open{display:flex;position:absolute;top:64px;left:0;right:0;background:var(--b-card);flex-direction:column;padding:16px;border-bottom:1px solid var(--b-border);gap:14px}
  .bfooter-grid{grid-template-columns:1fr 1fr}
}