/* ============================================================
   HERO — BLOG (centered)
   ============================================================ */
.hero{padding:100px 0 56px;text-align:center}
.h-g{max-width:700px;margin:0 auto}
.h-sub{max-width:580px;margin-left:auto;margin-right:auto}

/* ============================================================
   CATEGORY FILTERS
   ============================================================ */
.fl{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.fl-btn{background:var(--bgc);border:1px solid var(--bdr);color:var(--muted);padding:7px 16px;border-radius:50px;font-size:12px;font-weight:500;transition:.25s;cursor:pointer;font-family:var(--f)}
.fl-btn:hover{border-color:rgba(100,228,168,.25);color:var(--white)}
.fl-btn.active{background:rgba(100,228,168,.1);border-color:rgba(100,228,168,.3);color:var(--mint)}

/* ============================================================
   FEATURED ARTICLE
   ============================================================ */
.ft-art{display:flex;flex-direction:column;gap:0;border-radius:16px;overflow:hidden;border:1px solid var(--bdr);background:var(--bgc);transition:.3s;margin-bottom:32px}
.ft-art:hover{border-color:rgba(100,228,168,.18);transform:translateY(-2px)}
.ft-art-img{width:100%;height:200px;background:var(--grad);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.ft-art-img .ft-ic{font-size:48px;opacity:.6}
.ft-art-img .ft-cat{position:absolute;top:14px;left:14px;font-family:var(--m);font-size:9px;letter-spacing:1px;text-transform:uppercase;background:rgba(100,228,168,.15);border:1px solid rgba(100,228,168,.25);color:var(--mint);padding:4px 10px;border-radius:6px}
.ft-art-bd{padding:24px}
.ft-art-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.ft-art-meta .date{font-family:var(--m);font-size:10px;color:var(--muted);letter-spacing:.5px}
.ft-art-meta .read{font-family:var(--m);font-size:10px;color:var(--mint);letter-spacing:.5px}
.ft-art h2{font-size:clamp(18px,3.5vw,26px);font-weight:700;letter-spacing:-.5px;margin-bottom:8px;line-height:1.25}
.ft-art p{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:16px}
.ft-art .link{font-size:13px;font-weight:600;color:var(--mint);display:inline-flex;align-items:center;gap:4px;transition:.2s}
.ft-art .link:hover{gap:8px}

/* ============================================================
   ARTICLE GRID
   ============================================================ */
.ar-g{display:grid;grid-template-columns:1fr;gap:16px}
.ar{display:flex;flex-direction:column;border-radius:14px;overflow:hidden;border:1px solid var(--bdr);background:var(--bgc);transition:.3s}
.ar:hover{border-color:rgba(100,228,168,.18);transform:translateY(-2px);background:rgba(255,255,255,.055)}
.ar-img{width:100%;height:140px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.ar-img .ar-ic{font-size:32px;opacity:.5}
.ar-img .ar-cat{position:absolute;top:10px;left:10px;font-family:var(--m);font-size:8px;letter-spacing:1px;text-transform:uppercase;background:rgba(0,0,0,.5);backdrop-filter:blur(8px);color:var(--white);padding:3px 8px;border-radius:4px}
.ar-bd{padding:16px;display:flex;flex-direction:column;flex:1}
.ar-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.ar-meta .date{font-family:var(--m);font-size:9px;color:var(--muted);letter-spacing:.5px}
.ar-meta .read{font-family:var(--m);font-size:9px;color:var(--mint);letter-spacing:.5px}
.ar h3{font-size:15px;font-weight:600;letter-spacing:-.3px;margin-bottom:6px;line-height:1.3}
.ar p{font-size:12px;color:var(--muted);line-height:1.55;margin-bottom:14px;flex:1}
.ar .link{font-size:12px;font-weight:600;color:var(--mint);display:inline-flex;align-items:center;gap:4px;transition:.2s}
.ar .link:hover{gap:8px}

/* color variants for article image backgrounds */
.ar-bg-1{background:linear-gradient(135deg,#1D1972,#3a2ca0)}
.ar-bg-2{background:linear-gradient(135deg,#6419A8,#8b3fd4)}
.ar-bg-3{background:linear-gradient(135deg,#1D1972,#64E4A8)}
.ar-bg-4{background:linear-gradient(135deg,#3a2ca0,#6419A8)}
.ar-bg-5{background:linear-gradient(135deg,#0B0A22,#1D1972)}
.ar-bg-6{background:linear-gradient(135deg,#6419A8,#64E4A8)}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.nl{max-width:600px;margin:0 auto;text-align:center}
.nl h2{font-size:clamp(22px,4vw,34px);font-weight:700;letter-spacing:-1px;margin-bottom:8px}
.nl>p{font-size:14px;color:var(--muted);margin-bottom:24px;line-height:1.6}
.nl-form{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.nl-input{flex:1;min-width:200px;max-width:340px;padding:12px 16px;border-radius:10px;border:1.5px solid var(--bdr);background:var(--bgc);color:var(--white);font-family:var(--f);font-size:14px;outline:none;transition:.25s}
.nl-input::placeholder{color:rgba(255,255,255,.35)}
.nl-input:focus{border-color:var(--mint);background:rgba(255,255,255,.06)}
.nl-note{font-size:11px;color:var(--muted);margin-top:12px}

/* ============================================================
   TOPICS GRID
   ============================================================ */
.tp-g{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tp{padding:18px;text-align:center}
.tp .ic{font-size:22px;margin-bottom:6px}
.tp h4{font-size:13px;font-weight:600;margin-bottom:3px}
.tp p{font-size:11px;color:var(--muted);line-height:1.5}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(min-width:600px){
  .hero{padding:110px 0 70px}
  .ft-art{flex-direction:row}
  .ft-art-img{width:45%;height:auto;min-height:260px}
  .ft-art-bd{padding:28px;display:flex;flex-direction:column;justify-content:center}
  .ar-g{grid-template-columns:repeat(2,1fr);gap:18px}
  .tp-g{grid-template-columns:repeat(4,1fr);gap:14px}
}
@media(min-width:960px){
  .hero{padding:140px 0 80px}
  .ar-g{grid-template-columns:repeat(3,1fr)}
  .ar-img{height:160px}
}
@media(min-width:1200px){
  .ft-art-bd{padding:36px}
}