*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F4F9FF;--surface:#fff;--primary:#2563EB;--primary-dark:#1D4ED8;--primary-soft:#DBEAFE;
  --ink:#12243B;--muted:#566579;--border:#D9E6F5;--radius:16px;
  --shadow:0 12px 40px -18px rgba(37,99,235,.35);--wrap:1080px;
}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}
p{color:var(--muted)}
/* teks lebih dari satu baris rata kiri-kanan (baris terakhir tetap rata kiri) */
p,li,figcaption,summary+p{text-align:justify;text-align-last:left;hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word}
.cta-box p{text-align-last:center}
.byline,.crumbs,.meta,.sec-sub{text-align:left}
a{color:inherit}
img{max-width:100%;height:auto}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(244,249,255,.96);border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;text-decoration:none}
.brand img{flex:none;display:block;width:34px;height:34px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{text-decoration:none;font-weight:500;font-size:.95rem;color:var(--ink)}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;text-decoration:none;font-weight:600;font-size:.95rem;padding:11px 20px;border-radius:999px;border:none;cursor:pointer;transition:background .15s ease,transform .15s ease;box-shadow:var(--shadow)}
.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--primary);box-shadow:none;border:1px solid var(--border)}
.nav-links .btn{color:#fff}

/* page head */
.page-head{padding:44px 0 8px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:12px}
.page-head h1{font-size:clamp(1.8rem,4.6vw,2.6rem);font-weight:800;margin-bottom:10px}
.page-head p{max-width:680px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumbs a{text-decoration:none;color:var(--primary-dark)}
.crumbs a:hover{text-decoration:underline}

/* card grid (blog index + related) */
.cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));margin:28px 0 56px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post-card .cat{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--primary)}
.post-card h2,.post-card h3{font-size:1.15rem;margin:8px 0}
.post-card p{font-size:.94rem;flex:1}
.post-card .meta{font-size:.8rem;color:var(--muted);margin-top:14px;padding-top:12px;border-top:1px dashed var(--border)}

/* article */
.post{max-width:720px;margin:0 auto;padding:36px 20px 24px}
.post h1{font-size:clamp(1.75rem,4.8vw,2.45rem);font-weight:800;margin-bottom:12px}
.post .byline{font-size:.88rem;color:var(--muted);margin-bottom:26px}
.post .summary{font-size:1.08rem;color:var(--ink);background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;padding:16px 18px;margin-bottom:26px}
.post h2{font-size:1.45rem;margin:38px 0 12px}
.post h3{font-size:1.15rem;margin:26px 0 8px}
.post p,.post li{font-size:1.04rem;line-height:1.78;color:#33465c}
.post p{margin-bottom:16px}
.post ul,.post ol{margin:0 0 18px 24px}
.post li{margin-bottom:8px}
.post strong{color:var(--ink)}
.post code{background:var(--primary-soft);color:var(--primary-dark);padding:1px 6px;border-radius:6px;font-size:.92em}
.post .tablewrap{overflow-x:auto;margin:0 0 20px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.post table{border-collapse:collapse;width:100%;min-width:420px;font-size:.94rem}
.post th,.post td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
.post th{background:var(--primary-soft);color:var(--ink)}
.post tr:last-child td{border-bottom:none}
.toc{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:28px}
.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0 0 0 20px}
.toc li{font-size:.95rem;margin-bottom:4px}
.toc a{text-decoration:none;color:var(--primary-dark)}
.toc a:hover{text-decoration:underline}
.cta-box{background:var(--primary);border-radius:var(--radius);padding:28px 24px;text-align:center;margin:36px 0}
.cta-box h2{color:#fff;font-size:1.35rem;margin:0 0 8px}
.cta-box p{color:#D7E5FF;margin:0 auto 18px;max-width:480px}
.cta-box .btn{background:#fff;color:var(--primary-dark)}
.related{max-width:var(--wrap);margin:0 auto;padding:0 20px 56px}
.related>h2{font-size:1.3rem;margin-bottom:4px}

.post .fig{margin:6px 0 24px}
.post .fig img{display:block;width:100%;max-height:420px;object-fit:contain;background:#fff;border:1px solid var(--border);border-radius:12px}
.post .fig figcaption{font-size:.84rem;color:var(--muted);margin-top:8px}
.post .fig figcaption a{color:var(--primary-dark)}
.share{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:30px 0 6px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:12px}
.share b{flex:1 0 100%;font-size:.95rem}
.share .sh{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--border);background:var(--bg);color:var(--ink);font:inherit;font-size:.9rem;font-weight:600;text-decoration:none;cursor:pointer}
.share .sh:hover{background:var(--primary-soft);color:var(--primary-dark)}
.share .sh.wa{background:#E7F9EE;border-color:#BFEBD1;color:#128C4A}
.foot-legal{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 0 14px;font-size:.85rem}
.foot-legal a{display:inline-flex;align-items:center;min-height:36px}
.faq-box{margin:34px 0 8px}
.faq-box h2{margin-top:0}
.faq-box details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2px 16px;margin-bottom:10px}
.faq-box summary{cursor:pointer;font-weight:600;padding:14px 0;min-height:44px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:1rem}
.faq-box summary::-webkit-details-marker{display:none}
.faq-box summary::after{content:"+";font-size:1.4rem;color:var(--primary);flex:none}
.faq-box details[open] summary::after{content:"\2013"}
.faq-box details p{margin:0 0 14px;font-size:.98rem}
.sec-title{font-size:1.35rem;margin:34px 0 4px}
.sec-sub{font-size:.95rem;max-width:680px}
.cat-block{margin:22px 0 8px}
.cat-block h3{font-size:1.05rem;margin-bottom:8px;color:var(--ink)}
.cat-list{list-style:none;display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin-bottom:6px}
.cat-list a{display:flex;align-items:center;min-height:44px;padding:8px 14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;text-decoration:none;font-size:.92rem;font-weight:600;color:var(--ink)}
.cat-list a:hover{background:var(--primary-soft);color:var(--primary-dark)}
@media(max-width:480px){.cat-list{grid-template-columns:1fr}}

/* video gallery */
.vgrid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin:28px 0 56px}
.vcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.vthumb{position:relative;display:block;width:100%;aspect-ratio:16/9;background:#0b1626;border:0;padding:0;cursor:pointer}
.vthumb img{width:100%;height:100%;object-fit:cover;display:block}
.vthumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vplay{position:absolute;left:50%;top:50%;width:64px;height:44px;margin:-22px 0 0 -32px;border-radius:12px;background:rgba(220,38,38,.92);display:grid;place-items:center;transition:transform .15s ease}
.vthumb:hover .vplay{transform:scale(1.08)}
.vplay::after{content:"";border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent #fff;margin-left:3px}
.vbody{padding:16px 18px 20px}
.vbody .cat{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--primary)}
.vbody h2{font-size:1.05rem;margin:6px 0}
.vbody p{font-size:.92rem}
.vfilters{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.vfilters button{font:inherit;font-size:.85rem;font-weight:600;padding:8px 16px;min-height:40px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--ink);cursor:pointer}
.vfilters button[aria-pressed="true"]{background:var(--primary);color:#fff;border-color:var(--primary)}
.empty{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);padding:36px 24px;text-align:center;margin:28px 0 56px}

/* footer */
footer{border-top:1px solid var(--border);background:var(--surface);padding:36px 0 28px;font-size:.9rem;color:var(--muted)}
footer a{text-decoration:none}
footer a:hover{color:var(--primary)}
.foot-brand{max-width:420px}
.foot-brand p{font-size:.9rem;margin-top:10px}
.foot-nav{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.foot-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--border);border-radius:999px;background:var(--bg);font-weight:600;color:var(--ink)}
.foot-nav a:hover,.foot-nav a[aria-current]{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-soft)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;padding-top:18px;border-top:1px solid var(--border);font-size:.85rem}

/* floating whatsapp + bottom nav */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px -6px rgba(37,211,102,.55)}
.wa-float svg{width:32px;height:32px}
.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(255,255,255,.98);border-top:1px solid var(--border);padding:4px 4px calc(4px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px -14px rgba(18,36,59,.25)}
.bottom-nav ul{list-style:none;display:flex;justify-content:space-between;gap:2px}
.bottom-nav li{flex:1;min-width:0}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:52px;padding:8px 2px;border-radius:14px;text-decoration:none;color:var(--muted);font-size:.64rem;font-weight:700;letter-spacing:-.01em}
.bottom-nav a svg{width:21px;height:21px;flex:none}
.bottom-nav a[aria-current]{color:var(--primary-dark);background:var(--primary-soft)}

@media(max-width:760px){
  .nav-links{display:none}
  .bottom-nav{display:block}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .wa-float{bottom:calc(72px + env(safe-area-inset-bottom));right:14px;width:50px;height:50px}
  .wa-float svg{width:26px;height:26px}
}
@media(max-width:480px){
  .wrap,.related{padding-left:16px;padding-right:16px}
  .post{padding:26px 16px 16px}
  .page-head{padding:32px 0 4px}
  .cards,.vgrid{grid-template-columns:1fr;gap:16px}
  .post h2{font-size:1.3rem}
  .cta-box{padding:24px 18px}
  .cta-box .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}