:root{
  --bg:#FFFFFF; --cream:#EDF4F6; --ink:#16252B; --muted:#5C7178;
  --gold:#197E98; --gold-d:#156A80; --gold-t:#B3DBE4; --line:#D5E3E7; --cta:#F68D25; --cta-d:#E07A12;
  --serif:'Montserrat',system-ui,sans-serif; --sans:'Inter',system-ui,sans-serif; --display:'Playfair Display',Georgia,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.22;letter-spacing:-.005em;text-wrap:balance}
.wrap{max-width:1180px;margin:0 auto;padding:0 26px}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--serif);font-weight:600;font-size:14px;letter-spacing:.02em;padding:14px 26px;border-radius:100px;border:1px solid transparent;cursor:pointer;transition:.28s ease}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-d);transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(224,122,18,.5)}

/* ---- nav ---- */
.topbar{background:var(--ink);color:#E3ECEE;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:18px}
.topbar a{opacity:.85} .topbar a:hover{opacity:1;color:var(--gold-t)}
.topbar .r{display:flex;gap:20px;align-items:center}
nav.main{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav.main .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;flex-direction:column;align-items:flex-start;line-height:1}
.brand img{height:clamp(36px,4.4vw,44px);width:auto;display:block}
.brand b{font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:.06em}
.brand span{font-size:10.5px;letter-spacing:.28em;color:var(--gold-d);margin-top:5px;font-family:var(--serif);font-weight:600}
.links{display:flex;gap:28px;align-items:center}
.links a{font-family:var(--serif);font-weight:500;font-size:14.5px;opacity:.82;transition:.2s}
.links a:hover{opacity:1;color:var(--gold-d)}
.navcta{display:flex;align-items:center;gap:14px}

/* ---- article ---- */
.article{max-width:760px;margin:0 auto;padding:40px 26px 20px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:26px;font-family:var(--serif);font-weight:500}
.crumbs a:hover{color:var(--gold-d)}
.crumbs .sep{margin:0 7px;opacity:.5}
.art-cat{display:inline-block;font-family:var(--serif);font-weight:600;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-d);margin-bottom:14px}
.art-head h1{font-size:clamp(28px,4.5vw,42px);font-weight:600;letter-spacing:-.02em;margin-bottom:18px}
.art-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:14px;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:30px}
.art-meta .au{display:flex;align-items:center;gap:9px}
.art-meta .av{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:12px}
.art-meta .au b{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:14px}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold-t)}
.art-hero{margin:0 0 30px;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--cream);border:1px solid var(--line)}
.art-hero img{width:100%;height:100%;object-fit:cover;object-position:center 26%;display:block}
.art-hero figcaption{font-size:12px;color:var(--muted);text-align:center;padding:8px 12px;font-family:var(--serif);font-weight:500}
.art-fig{max-width:500px;margin:26px auto 30px;border-radius:12px;overflow:hidden;background:var(--cream);border:1px solid var(--line)}
.art-fig img{width:100%;height:auto;display:block}
.art-fig figcaption{font-size:12px;color:var(--muted);text-align:center;padding:8px 12px;font-family:var(--serif);font-weight:500}
.art-lead{font-size:19.5px;line-height:1.65;color:var(--ink);margin-bottom:28px}
.art-body h2{font-size:clamp(21px,2.6vw,26px);font-weight:600;margin:38px 0 14px;letter-spacing:-.01em}
.art-body h3{font-size:18px;font-weight:600;margin:26px 0 10px}
.art-body p{color:#3a382f;margin-bottom:18px}
.art-body b,.art-body strong{color:var(--ink);font-weight:600}
.art-body ul,.art-body ol{margin:0 0 20px;padding-left:4px;list-style:none;display:grid;gap:11px}
.art-body ul li{position:relative;padding-left:26px;color:#3a382f}
.art-body ul li:before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--gold-t)}
.art-body ol{counter-reset:n}
.art-body ol li{position:relative;padding-left:34px;color:#3a382f;counter-increment:n}
.art-body ol li:before{content:counter(n);position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--cream);color:var(--gold-d);font-family:var(--serif);font-weight:600;font-size:12px;display:grid;place-items:center}
.art-body blockquote{border-left:3px solid var(--gold-t);background:var(--cream);border-radius:0 10px 10px 0;padding:16px 20px;margin:0 0 22px;color:var(--ink);font-size:17px}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item h3{margin:0 0 8px;font-size:17px}
.faq-item p{margin:0;color:var(--muted)}
.art-note{background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:13.5px;color:var(--muted);margin:34px 0}
.art-cta{background:var(--ink);color:#EAF2F4;border-radius:16px;padding:30px 30px;text-align:center;margin:36px 0}
.art-cta h3{color:#fff;font-size:22px;font-weight:600;margin-bottom:8px}
.art-cta p{color:#C2D2D6;font-size:15px;margin-bottom:18px}
.art-related{margin:40px 0 10px}
.art-related h3{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;font-weight:600}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rel-card{border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:.25s}
.rel-card:hover{border-color:var(--gold-t);background:var(--cream);transform:translateY(-2px)}
.rel-card span{font-family:var(--serif);font-weight:600;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-d)}
.rel-card b{display:block;font-family:var(--serif);font-weight:600;font-size:16px;margin-top:6px;line-height:1.3}

/* ---- footer ---- */
footer{background:var(--ink);color:#C9C2B4;font-size:14px;margin-top:50px}
footer .in{max-width:1180px;margin:0 auto;padding:40px 26px}
footer .legal{font-size:12.5px;color:#8F8878;line-height:1.7}
footer .legal .note{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:14px 18px;margin-bottom:16px}
footer .meta{display:flex;flex-wrap:wrap;gap:6px 22px;align-items:center}
footer .meta b{color:#BDB4A4} footer a:hover{color:var(--gold-t)} .gold{color:var(--gold-d)}

/* ---- WhatsApp FAB ---- */
.wa-fab{position:fixed;left:22px;bottom:22px;z-index:89;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(37,211,102,.55);transition:.25s}
.wa-fab:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 18px 36px -10px rgba(37,211,102,.7)}
.wa-fab svg{width:30px;height:30px}

@media(max-width:640px){
  .links,.topbar{display:none}
  .article{padding-top:28px}
  .rel-grid{grid-template-columns:1fr}
  .wa-fab{width:52px;height:52px;left:18px;bottom:18px}
}