/* ===== reset & design tokens ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0b0f1a;
  --bg-2:#0e1424;
  --surface:#131a2e;
  --surface-2:#1a2340;
  --border:#273254;
  --text:#e9edf8;
  --muted:#98a2c2;
  --gold:#f0b90b;
  --gold-2:#ffd24d;
  --green:#16c784;
  --radius:14px;
  --shadow:0 12px 32px rgba(0,0,0,.4);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-2)}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.section{padding:48px 0}
.section-title{font-size:1.6rem;margin-bottom:24px;font-weight:800;letter-spacing:-.01em}
.section-footer{margin-top:28px;text-align:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;color:var(--green);font-weight:700}

/* ===== buttons ===== */
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:700;font-size:.95rem;transition:.15s}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#111}
.btn-primary:hover{color:#111;transform:translateY(-1px);box-shadow:0 8px 20px rgba(240,185,11,.25)}
.btn-outline{border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,15,26,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:1.15rem}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#111;font-weight:800;font-size:1.1rem}
.main-nav{display:flex;gap:24px}
.nav-link{color:var(--muted);font-weight:600;font-size:.95rem}
.nav-link:hover,.nav-link.active{color:var(--text)}
.header-right{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px auto;border-radius:2px}

/* ===== language switcher ===== */
.lang-switcher{display:flex;gap:6px}
.lang-pill{padding:6px 11px;border-radius:8px;border:1px solid var(--border);color:var(--muted);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.lang-pill:hover,.lang-pill.active{background:var(--surface-2);border-color:var(--gold);color:var(--gold)}

/* ===== hero ===== */
.hero{background:radial-gradient(1200px 500px at 50% -10%,rgba(240,185,11,.14),transparent),linear-gradient(180deg,var(--bg-2),var(--bg));border-bottom:1px solid var(--border)}
.hero-inner{padding:72px 0 64px;text-align:center}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.1rem);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin:16px 0}
.hero-sub{color:var(--muted);font-size:1.1rem;max-width:640px;margin:0 auto 28px}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ===== chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.9rem;font-weight:600}
.chip:hover{border-color:var(--gold);color:var(--gold)}
.chip-count{background:var(--surface-2);border-radius:999px;padding:1px 8px;font-size:.75rem;color:var(--muted)}

/* ===== cards ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow)}
.card-link{display:flex;flex-direction:column;height:100%;color:var(--text)}
.card-link:hover{color:var(--text)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;background:linear-gradient(135deg,var(--surface-2),var(--bg-2));color:var(--gold)}
.card-badge{position:absolute;top:10px;left:10px;background:rgba(11,15,26,.82);border:1px solid var(--gold);color:var(--gold);padding:3px 9px;border-radius:6px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:1.08rem;font-weight:700;line-height:1.3}
.card-desc{color:var(--muted);font-size:.9rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-more{margin-top:auto;color:var(--gold);font-weight:700;font-size:.9rem}

/* ===== page header & breadcrumbs ===== */
.page-header{background:var(--bg-2);border-bottom:1px solid var(--border);padding:40px 0}
.page-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:900;letter-spacing:-.02em;margin-top:6px}
.page-description{color:var(--muted);margin-top:10px;max-width:720px}
.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumbs li+li::before{content:"/";margin-right:6px;color:var(--border)}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--gold)}

/* ===== article ===== */
.article{padding:40px 0 0}
.article-header{margin-bottom:28px}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.badge{background:var(--surface-2);border:1px solid var(--green);color:var(--green);padding:4px 10px;border-radius:6px;font-size:.78rem;font-weight:700}
.article-date{color:var(--muted);font-size:.85rem}
.article-title{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;letter-spacing:-.02em;line-height:1.15}
.article-subtitle{color:var(--muted);font-size:1.1rem;margin-top:12px}
.article-hero{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);margin-bottom:28px}
.article-hero img{width:100%}
.article-layout{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.toc-sidebar{position:sticky;top:84px}
.toc-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.toc-title{font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;color:var(--gold)}
.toc-box ul{list-style:none;margin:0}
.toc-box li{margin:6px 0}
.toc-box a{color:var(--muted);font-size:.9rem}
.toc-box a:hover{color:var(--gold)}
.toc-box ul ul{margin-left:12px;border-left:1px solid var(--border);padding-left:10px}

/* ===== prose ===== */
.prose{font-size:1.02rem}
.prose h2{font-size:1.5rem;font-weight:800;margin:36px 0 14px;letter-spacing:-.01em}
.prose h3{font-size:1.2rem;font-weight:700;margin:26px 0 12px}
.prose p{margin:0 0 18px;color:#d4dae9}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:#d4dae9}
.prose li{margin:6px 0}
.prose blockquote{border-left:3px solid var(--gold);background:var(--surface);padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 18px;color:var(--muted)}
.prose a{text-decoration:underline}
.prose img{border-radius:10px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px}
.prose th,.prose td{border:1px solid var(--border);padding:10px 12px;text-align:left;font-size:.92rem}
.prose th{background:var(--surface-2)}
.prose code{background:var(--surface-2);padding:2px 6px;border-radius:5px;font-size:.9em}
.prose strong{color:var(--text)}

/* ===== FAQ ===== */
.faq{margin-top:36px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.faq .section-title{margin-bottom:16px}
.faq-item{border-bottom:1px solid var(--border);padding:14px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:700;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--gold);transition:.2s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{margin-top:10px;color:var(--muted);font-size:.95rem}
.faq-answer p{margin:0 0 10px}

/* ===== pagination ===== */
.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:32px}
.page-link{padding:9px 16px;border:1px solid var(--border);border-radius:8px;color:var(--text);font-weight:600}
.page-link:hover{border-color:var(--gold);color:var(--gold)}
.page-info{color:var(--muted);font-size:.9rem}

/* ===== footer ===== */
.site-footer{background:var(--bg-2);border-top:1px solid var(--border);margin-top:64px;padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-col h3{font-size:.95rem;font-weight:800;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li{margin:8px 0}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--gold)}
.footer-tagline{color:var(--muted);margin-top:12px;max-width:320px}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:.85rem}
.disclaimer{font-size:.82rem}
.responsible{color:var(--gold);font-weight:700}
.copyright{color:var(--muted)}

/* ===== responsive ===== */
@media(max-width:900px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .toc-sidebar{position:static}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .card-grid{grid-template-columns:1fr}
  .main-nav{position:fixed;inset:64px 0 auto 0;background:var(--bg-2);flex-direction:column;padding:16px 20px;gap:16px;border-bottom:1px solid var(--border);display:none}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero-inner{padding:48px 0}
}