/* === RESET & BASE === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#0d1117;--surface:#161b22;--surface2:#21262d;--border:#30363d;
--text:#e6edf3;--text-muted:#8b949e;--accent:#00d4aa;--accent2:#e85d04;
--red:#f85149;--blue:#58a6ff;--purple:#bc8cff;
--radius:12px;--maxw:1100px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto;display:block}

/* === HEADER === */
header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);background:rgba(13,17,23,.85)}
header .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:14px 20px}
header h1{font-size:1.4rem;font-weight:700}
header h1 a{color:var(--text)}
nav{display:flex;gap:6px;flex-wrap:wrap}
nav a{font-size:.82rem;padding:6px 12px;border-radius:20px;color:var(--text-muted);transition:all .2s}
nav a:hover,nav a.active{background:var(--surface2);color:var(--accent);text-decoration:none}

/* === HERO === */
#hero{text-align:center;padding:60px 20px 40px;background:linear-gradient(135deg,#0d1117 0%,#1a1f2e 50%,#0d1117 100%)}
#hero h2{font-size:2.2rem;margin-bottom:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
#hero p{color:var(--text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}

/* === NEWS GRID === */
#latest{padding:40px 0}
#latest h2{font-size:1.5rem;margin-bottom:20px;display:flex;align-items:center;gap:10px}
#latest h2::after{content:"";flex:1;height:1px;background:var(--border)}
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.news-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.4)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card .card-body{padding:16px}
.news-card .card-body h3{font-size:1.05rem;margin-bottom:8px;line-height:1.4}
.news-card .card-body p{font-size:.9rem;color:var(--text-muted);margin-bottom:10px}
.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.72rem;font-weight:600;text-transform:uppercase}
.badge-pencak-silat{background:#2d6a4f;color:#b7e4c7}
.badge-karate{background:#1a5276;color:#aed6f1}
.badge-taekwondo{background:#7d3c98;color:#d2b4de}
.badge-wushu{background:#b7950b;color:#f9e79f}
.badge-capoeira{background:#c0392b;color:#f5b7b1}
.badge-muay-thai{background:#0e6655;color:#a3e4d7}
.card-date{font-size:.78rem;color:var(--text-muted);margin-top:6px}
.card-link{display:inline-block;margin-top:8px;font-size:.85rem;font-weight:600}

/* === CATEGORY CARDS === */
#categories{padding:40px 0 60px}
#categories h2{font-size:1.5rem;margin-bottom:20px;display:flex;align-items:center;gap:10px}
#categories h2::after{content:"";flex:1;height:1px;background:var(--border)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 12px;text-align:center;transition:transform .2s}
.cat-card:hover{transform:translateY(-3px)}
.cat-card img{margin:0 auto 10px;border-radius:50%;background:var(--surface2)}
.cat-card h3{font-size:.95rem;margin-bottom:4px}
.cat-card p{font-size:.78rem;color:var(--text-muted)}

/* === DETAIL PAGE === */
.article-header{text-align:center;padding:40px 0 20px}
.article-header h1{font-size:2rem;margin-bottom:12px}
.article-header .badge{margin:4px}
.article-meta{color:var(--text-muted);font-size:.85rem;margin:12px 0}
.article-content{max-width:800px;margin:0 auto;padding:20px 0;line-height:1.8}
.article-content h2{font-size:1.4rem;margin:28px 0 12px;color:var(--accent)}
.article-content h3{font-size:1.1rem;margin:20px 0 8px}
.article-content p{margin-bottom:14px}
.technique-list{list-style:none;padding:0}
.technique-list li{padding:10px 14px;margin:6px 0;background:var(--surface);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0}
.technique-list li strong{color:var(--accent)}
.article-thumb{width:100%;max-height:400px;object-fit:cover;border-radius:var(--radius);margin:16px 0}

/* === BACK LINK === */
.back-link{padding:20px 0;font-size:.9rem}
.back-link a{color:var(--text-muted)}

/* === FOOTER === */
footer{background:var(--surface);border-top:1px solid var(--border);padding:24px 0;text-align:center;font-size:.82rem;color:var(--text-muted)}

/* === RESPONSIVE === */
@media(max-width:640px){
header .container{flex-direction:column;align-items:flex-start}
#hero h2{font-size:1.5rem}
.news-grid{grid-template-columns:1fr}
.cat-grid{grid-template-columns:repeat(2,1fr)}
nav{justify-content:flex-start}
}

/* === FILTER ACTIVE === */
.filter-active{background:var(--accent2)!important;color:#fff!important}