@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --navy-900:#011634; --navy-800:#011e48; --navy-700:#16397d; --navy-100:#e3e9f4;
  --red-600:#d4151d; --red-50:#fdeced;
  --yellow-500:#f2b824; --yellow-100:#fdf1d0;
  --g50:#f7f8fa; --g100:#eef0f4; --g200:#dfe3ea; --g300:#c6ccd7; --g500:#7a8496; --g700:#454e60; --g900:#161b26;
  --l0:#f3f5f8; --l1:#ffffff; --l2:#f7f8fb; --l3:#eef1f6; --l4:#e4e8ef;
  --t1:#111726; --t2:#3d4657; --t3:#5f697b; --t4:#8a93a3;
  --line:rgba(11,42,99,.12); --line-strong:rgba(11,42,99,.2);
  --r:10px; --r-sm:6px;
  --f-head:'Space Grotesk',sans-serif; --f-body:'IBM Plex Sans',sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-body);color:var(--t1);background:var(--l0);line-height:1.55;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--yellow-500);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--f-head);line-height:1.15;letter-spacing:-.01em}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* topbar + header */
.topbar{background:var(--navy-900);color:#c9d3e6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:6px 0;align-items:center}
.topbar .tools{display:flex;gap:6px}
.tb-btn{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:none;color:#fff;cursor:pointer;font-size:13px}
.tb-btn:hover{background:rgba(255,255,255,.08)}
.tb-btn[aria-pressed="true"]{background:var(--yellow-500);color:var(--navy-900);border-color:var(--yellow-500)}
header.site{background:var(--l1);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-head);font-weight:700;color:var(--navy-800);line-height:1.05}
.brand img{width:44px;height:44px;object-fit:contain}
.brand small{display:block;font-family:var(--f-body);font-weight:500;font-size:12px;color:var(--t3)}
nav.main{display:flex;gap:2px;margin-left:auto}
nav.main a{white-space:nowrap;padding:10px 12px;border-radius:var(--r-sm);font-weight:500;font-size:15px;color:var(--t2)}
nav.main a:hover,nav.main a[aria-current]{color:var(--navy-800);background:var(--navy-100)}
.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;padding:0 6px 0 14px;background:var(--l2);min-height:42px;width:260px}
.search input{border:0;background:none;flex:1;min-width:0;outline:none;font-size:14px}
.search button{border:0;background:var(--navy-800);color:#fff;border-radius:999px;width:32px;height:32px;cursor:pointer}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line-strong);background:var(--l1);border-radius:var(--r-sm);cursor:pointer}
@media (max-width:1240px){header.site .search{width:190px}}
@media (max-width:1060px){
  nav.main,header.site .search{display:none}
  header.site .wrap{flex-wrap:wrap}
  header.site.open .search{display:flex;width:100%;order:3;margin-bottom:12px}
  header.site.open nav.main.open{top:auto;position:static;width:100%;order:4;padding:0 0 12px;border:0}
  .menu-btn{display:grid;place-items:center}
  nav.main.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--l1);padding:8px 16px 16px;border-bottom:1px solid var(--line)}
  nav.main.open a{padding:14px 12px}
  .topbar .msg{display:none}
}

/* buttons, pills */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background .2s}
.btn:active{transform:scale(.97)}
.btn-red{background:var(--red-600);color:#fff}
.btn-red:hover{background:#b8111a}
.btn-line{border-color:var(--navy-800);color:var(--navy-800);background:var(--l1)}
.btn-line:hover{background:var(--navy-100)}
.btn-navy{background:var(--navy-800);color:#fff}
.btn-navy:hover{background:var(--navy-700)}
.pill{display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--navy-100);color:var(--navy-800)}
.pill.y{background:var(--yellow-100);color:#7a5600}
.pill.r{background:var(--red-50);color:#a50f16}

/* hero */
.hero{background:var(--l1);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center;padding:48px 0 56px}
.hero h1{font-size:clamp(34px,5vw,60px);color:var(--navy-800)}
.hero h1 em{font-style:normal;color:var(--red-600)}
.hero p.lead{font-size:clamp(16px,1.6vw,19px);color:var(--t2);margin:18px 0 28px;max-width:46ch}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:16/10;background:var(--l3)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual .tag{position:absolute;left:14px;bottom:14px;background:var(--navy-900);color:#fff;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:500}
.stats{display:flex;gap:28px;margin-top:32px;flex-wrap:wrap}
.stats b{display:block;font-family:var(--f-head);font-size:28px;color:var(--navy-800)}
.stats span{font-size:13px;color:var(--t3)}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:minmax(0,1fr);padding:20px 0 36px;gap:24px}
  .hero-visual{order:-1}
}

/* sections */
section.sec{padding:56px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px);color:var(--navy-800)}
.sec-head p{color:var(--t3);margin-top:4px}
.more{font-weight:600;color:var(--red-600);display:inline-flex;gap:6px;align-items:center;min-height:44px}
.more:hover{text-decoration:underline}

/* category rail */
.cats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.cat{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .25s var(--ease),border-color .25s}
.cat:hover{transform:translateY(-3px);border-color:var(--navy-700)}
.cat img{aspect-ratio:4/3;object-fit:cover;width:100%}
.cat div{padding:10px 12px;font-weight:600;font-family:var(--f-head);display:flex;justify-content:space-between}
.cat small{font-family:var(--f-body);color:var(--t4);font-weight:500}
@media (max-width:900px){.cats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:480px){.cats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* path bento */
.path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.step{border-radius:var(--r);padding:22px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.step h3{font-size:22px}
.step p{font-size:14px;opacity:.85}
.step .k{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.s1{background:var(--navy-800);color:#fff}
.s2{background:var(--yellow-500);color:var(--navy-900)}
.s3{background:var(--red-600);color:#fff}
.s4{background:var(--l1);border:1px solid var(--line);color:var(--navy-800)}
@media (max-width:860px){.path{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:860px){.grid3{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .25s}
.card:hover{border-color:var(--navy-700)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:19px}
.card p{color:var(--t2);font-size:15px}
.card .meta{margin-top:auto;display:flex;justify-content:space-between;font-size:13px;color:var(--t3);padding-top:8px}

/* video */
.vids{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px}
.vid{position:relative;border-radius:var(--r);overflow:hidden;background:var(--g900);cursor:pointer;display:block;width:100%;border:0;padding:0;text-align:left}
.vid img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85;transition:opacity .25s}
.vid:hover img{opacity:1}
.vid .play{position:absolute;inset:0;display:grid;place-items:center}
.vid .play span{width:64px;height:64px;border-radius:50%;background:var(--red-600);display:grid;place-items:center}
.vid .dur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.75);color:#fff;font-size:12px;padding:2px 8px;border-radius:4px}
.vid-side{display:flex;flex-direction:column;gap:16px}
.vid-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:12px;align-items:center}
.vid-row .play span{width:44px;height:44px}
.vid-row h3{font-size:16px}
.vid-row p{font-size:13px;color:var(--t3)}
.vid-title{margin-top:10px;font-size:18px}
@media (max-width:860px){.vids{grid-template-columns:minmax(0,1fr)}}

/* games band */
.band{background:var(--navy-800);color:#fff;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:32px 32px}
.band .sec-head h2{color:#fff}
.band .sec-head p{color:#b9c6df}
.game{background:var(--l1);color:var(--t1);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.game img{aspect-ratio:16/10;object-fit:cover;width:100%}
.game .body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.game .lv{display:flex;gap:6px}
.game .btn{margin-top:auto}

/* ads */
.ad{border:1px dashed var(--line-strong);border-radius:var(--r-sm);background:var(--l2);color:var(--t4);font-size:12px;display:grid;place-items:center;text-transform:uppercase;letter-spacing:.1em}
.ad-lb{min-height:100px;margin:8px auto}
.ad-sq{min-height:280px}

/* tabs list */
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}
@media (max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
.tabs{display:flex;gap:6px;margin-bottom:12px;overflow-x:auto}
.tabs button{min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);background:var(--l1);cursor:pointer;font-weight:600;color:var(--t2);white-space:nowrap}
.tabs button[aria-selected="true"]{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.list{background:var(--l1);border:1px solid var(--line);border-radius:var(--r)}
.list a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);min-height:60px}
.list a:last-child{border-bottom:0}
.list a:hover{background:var(--l2)}
.list b{display:block;font-weight:600}
.list small{color:var(--t3)}
.list .ico{flex:none;font-size:12px;font-weight:600;color:var(--red-600);border:1px solid var(--red-600);border-radius:4px;padding:2px 6px}

/* market + community */
.info{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px}
@media (max-width:860px){.info{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.panel h3{font-size:18px;color:var(--navy-800);margin-bottom:4px}
.panel .note{font-size:13px;color:var(--t3);margin-bottom:12px}
.fx{width:100%;border-collapse:collapse;font-size:15px}
.fx td{padding:10px 0;border-bottom:1px solid var(--line)}
.fx td:last-child{text-align:right;font-family:var(--f-head);font-weight:600}
.fx tr:last-child td{border-bottom:0}
.big{font-family:var(--f-head);font-size:44px;font-weight:700;color:var(--navy-800);line-height:1}
.soc{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.soc a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--line-strong);font-weight:600;font-size:14px}
.soc a:hover{background:var(--navy-100)}

/* footer */
footer.site{background:var(--navy-900);color:#b9c6df;padding:48px 0 24px;margin-top:56px}
footer .cols{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(4,minmax(0,1fr));gap:24px}
footer h4{color:#fff;font-family:var(--f-head);margin-bottom:10px}
footer a{display:block;padding:5px 0}
footer a:hover{color:#fff}
footer .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:16px;font-size:13px}
@media (max-width:760px){footer .cols{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}

/* lesson page */
.crumb{font-size:13px;color:var(--t3);padding:18px 0 6px}
.crumb a:hover{color:var(--navy-800)}
.lesson{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
@media (max-width:960px){.lesson{grid-template-columns:minmax(0,1fr)}}
.lesson h1{font-size:clamp(28px,4vw,42px);color:var(--navy-800)}
.lesson .tags{display:flex;gap:6px;margin:10px 0 18px;flex-wrap:wrap}
.answer{background:var(--yellow-100);border-left:4px solid var(--yellow-500);padding:16px 18px;border-radius:0 var(--r-sm) var(--r-sm) 0;margin-bottom:20px}
.answer b{font-family:var(--f-head);color:var(--navy-900)}
.ltabs{display:flex;border:1px solid var(--line);border-radius:var(--r);background:var(--l1);overflow-x:auto;margin-bottom:16px}
.ltabs a{flex:1;white-space:nowrap;text-align:center;padding:12px;font-weight:600;color:var(--t3);min-width:90px;border-bottom:3px solid transparent}
.ltabs a[aria-current]{color:var(--red-600);border-color:var(--red-600)}
.prose{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin-bottom:20px}
.prose h2{font-size:24px;color:var(--navy-800);margin:20px 0 8px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--t2)}
.prose ol{padding-left:20px;display:grid;gap:6px}
.formula{font-family:var(--f-head);font-size:20px;background:var(--navy-800);color:#fff;padding:14px 18px;border-radius:var(--r-sm);margin:12px 0}
.side{display:grid;gap:16px;position:sticky;top:84px}
@media (max-width:960px){.side{position:static}}
.track a{display:flex;gap:12px;align-items:center;padding:12px;border-radius:var(--r-sm);min-height:56px}
.track a:hover{background:var(--l2)}
.track a[aria-current]{background:var(--yellow-100)}
.track .dot{width:28px;height:28px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--l3);color:var(--t3)}
.track .done{background:var(--navy-800);color:#fff}
.track small{display:block;color:var(--t3);font-size:12px}
.bar{height:6px;background:var(--l3);border-radius:999px;overflow:hidden;margin:8px 0 12px}
.bar i{display:block;height:100%;background:var(--red-600);transition:width .4s var(--ease)}

/* game */
.gamebox{background:var(--l1);border:2px solid var(--navy-800);border-radius:var(--r);overflow:hidden;margin-bottom:20px}
.gamebox .gh{background:var(--navy-800);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.gamebox .gh h2{font-size:20px}
.score{font-family:var(--f-head);font-weight:700;background:var(--yellow-500);color:var(--navy-900);padding:4px 12px;border-radius:999px;font-size:14px}
.gb{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:16px;padding:18px}
@media (max-width:760px){.gb{grid-template-columns:minmax(0,1fr)}}
.stage{background:#1d3f7a;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:20px 20px;border-radius:var(--r-sm);padding:10px;overflow-x:auto}
.stage svg{display:block;min-width:680px;width:100%;height:auto}
.ans label{font-weight:600;display:block;margin-bottom:8px}
.ans .row{display:flex;gap:8px;align-items:center}
.ans input{flex:1;min-width:0;min-height:48px;border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:0 12px;font-size:18px;font-family:var(--f-head)}
.ans input[aria-invalid="true"]{border-color:var(--red-600)}
.ans .btn{width:100%;margin-top:10px}
.fb{margin-top:14px;padding:14px;border-radius:var(--r-sm);font-size:15px;display:none}
.fb.show{display:block;animation:pop .3s var(--ease)}
.fb.ok{background:#e6f5ec;color:#0f5a2c}
.fb.no{background:var(--red-50);color:#8e0d13}
.fb.hint{background:var(--l3);color:var(--t2)}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* hero v2 — gelap full-bleed sesuai referensi */
:root{--orange:#006dbe;--orange-d:#00589a}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(7,26,64,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero2{position:relative;background:var(--navy-900);color:#fff;overflow:hidden;min-height:clamp(420px,62vh,560px);display:flex;align-items:center}
.hero2-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% center;animation:kenburns 24s ease-in-out infinite alternate}
.hero2::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,20,48,.96) 0%,rgba(7,20,48,.82) 38%,rgba(7,20,48,.15) 70%,rgba(7,20,48,0) 100%)}
.hero2-grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(rgba(120,170,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.09) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(90deg,#000 0%,#000 45%,transparent 75%);animation:gridmove 14s linear infinite}
.hero2-scan{position:absolute;top:0;bottom:0;width:30%;z-index:1;background:linear-gradient(90deg,transparent,rgba(0,109,190,.12),transparent);animation:scan 6s ease-in-out infinite}
.hero2-in{position:relative;z-index:2;padding:56px 0}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#c9d6ee}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(0,109,190,.7);animation:pulse 2s infinite}
.hero2 h1{font-size:clamp(36px,6vw,72px);margin:14px 0 14px;color:#fff;max-width:14ch}
.hero2 h1 em{font-style:normal;color:#5fb4f7}
.hero2 p{font-size:clamp(16px,1.7vw,20px);color:#d5def0;max-width:40ch;margin-bottom:26px}
.hero2 .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero2-search{position:relative;z-index:3;margin-top:-30px}
.bigsearch{display:flex;gap:8px;background:var(--l1);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 22px;box-shadow:0 14px 36px rgba(7,26,64,.14);max-width:820px;margin-inline:auto}
.bigsearch input{flex:1;min-width:0;border:0;outline:none;background:none;font-size:16px}
.ticker{overflow:hidden;margin-top:28px;border-block:1px solid var(--line);background:var(--l1)}
.ticker-in{display:flex;width:max-content;animation:marquee 32s linear infinite}
.ticker span{padding:12px 22px;font-family:var(--f-head);font-weight:600;color:var(--navy-800);white-space:nowrap;display:flex;align-items:center;gap:22px}
.ticker span::after{content:"";width:6px;height:6px;background:var(--orange);transform:rotate(45deg)}
.ticker:hover .ticker-in{animation-play-state:paused}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.08) translateX(-1.5%)}}
@keyframes gridmove{to{background-position:40px 40px}}
@keyframes scan{0%{left:-30%}100%{left:100%}}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(0,109,190,0)}100%{box-shadow:0 0 0 0 rgba(0,109,190,0)}}
@keyframes marquee{to{transform:translateX(-50%)}}
@media (max-width:760px){
  .hero2{min-height:auto;align-items:flex-end}
  .hero2-img{object-position:68% center;opacity:.75}
  .hero2::after{background:linear-gradient(180deg,rgba(7,20,48,.1) 0%,rgba(7,20,48,.7) 45%,rgba(7,20,48,.97) 75%)}
  .hero2-in{padding:200px 0 56px}
  .hero2 .cta .btn{flex:1}
}

/* nav bawah futuristik (HP) */
.bnav{display:none}
@media (max-width:760px){
  body{padding-bottom:92px}
  .bnav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:40;
    background:rgba(7,22,54,.88);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border:1px solid rgba(120,170,255,.25);border-radius:22px;padding:6px;box-shadow:0 12px 32px rgba(7,20,48,.35)}
  .bnav::before{content:"";position:absolute;inset:-1px;border-radius:22px;padding:1px;background:conic-gradient(from var(--a),transparent 0 70%,rgba(0,109,190,.9) 80%,rgba(120,170,255,.9) 90%,transparent);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spin 5s linear infinite;pointer-events:none}
  .bnav a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:54px;border-radius:16px;color:#9fb2d6;font-size:11px;font-weight:600;transition:color .25s}
  .bnav svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .3s var(--ease)}
  .bnav a[aria-current]{color:#fff;background:rgba(0,109,190,.16)}
  .bnav a[aria-current] svg{transform:translateY(-2px);color:var(--orange);filter:drop-shadow(0 0 6px rgba(0,109,190,.8))}
  .bnav a[aria-current]::after{content:"";position:absolute;bottom:4px;width:16px;height:3px;border-radius:3px;background:var(--orange);box-shadow:0 0 8px var(--orange)}
  .bnav a:active svg{transform:scale(.88)}
}
@property --a{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes spin{to{--a:360deg}}

/* brand Ruang Teknik Media (wordmark sementara sampai logo final) */
.brand .mark{position:relative;width:44px;height:44px;flex:none;border-radius:10px;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-family:var(--f-head);font-weight:700;font-size:17px;letter-spacing:-.02em}
.brand .mark i{position:absolute;right:-3px;bottom:-3px;width:14px;height:14px;border-radius:4px;background:var(--orange);border:2px solid var(--l1)}
.brand b{color:var(--orange);margin-left:5px}

/* gambar blend di kartu cara belajar */
.step{position:relative;overflow:hidden;isolation:isolate}
.step img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.2;mix-blend-mode:luminosity;z-index:-1;transition:transform .6s var(--ease),opacity .4s}
.step:hover img{transform:scale(1.06);opacity:.3}
.s2 img,.s4 img{mix-blend-mode:multiply}

/* hero halaman kategori */
.cat-hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.cat-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.2;mix-blend-mode:luminosity}
.cat-hero .wrap{position:relative;padding:8px 0 40px}
.cat-hero .crumb{color:#b9c6df}
.cat-hero h1{font-size:clamp(32px,5vw,52px);margin:8px 0}
.cat-hero p{color:#d5def0;max-width:60ch}
.topic{min-height:190px}

.toast{position:fixed;left:50%;bottom:120px;transform:translate(-50%,20px);background:var(--navy-900);color:#fff;padding:12px 18px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s var(--ease);z-index:60;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (min-width:761px){.toast{bottom:32px}}

/* artikel hasil impor Blogger */
.chips{flex-wrap:nowrap;padding-bottom:4px}
.chips a{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--l1);font-weight:600;font-size:14px;color:var(--t2);white-space:nowrap}
.chips a small{color:var(--t4);font-weight:500}
.chips a[aria-selected="true"]{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.chips a[aria-selected="true"] small{color:#b9c6df}
.post-body{overflow-wrap:anywhere}
.post-body img{height:auto!important;max-width:100%!important;margin:12px auto;border-radius:var(--r-sm)}
.post-body iframe{max-width:100%;aspect-ratio:16/9;height:auto;width:100%;border:0}
.post-body table{display:block;overflow-x:auto;border-collapse:collapse;max-width:100%}
.post-body td,.post-body th{border:1px solid var(--line);padding:6px 10px}
.post-body a{color:var(--navy-700);text-decoration:underline}
.post-body p,.post-body div{margin-bottom:10px}
.post-body h2,.post-body h3{color:var(--navy-800);margin:20px 0 8px}
.post-body *{max-width:100%;font-family:inherit!important;white-space:normal!important}
.post-body pre{white-space:pre-wrap!important}
.rel{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:14px}
.rel:hover{color:var(--navy-700)}
.rel small{display:block;color:var(--t3);font-weight:400}

.opts{display:grid;gap:8px}
.two-btn{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.opt{min-height:48px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--l1);text-align:left;font-weight:600;cursor:pointer;color:var(--t1);transition:background .2s,border-color .2s}
.two-btn .opt{text-align:center}
.opt:hover:not(:disabled){border-color:var(--navy-700);background:var(--l2)}
.opt:disabled{cursor:default}
.opt.right{background:#e6f5ec;border-color:#1f8a4c;color:#0f5a2c}
.opt.wrong{background:var(--red-50);border-color:var(--red-600);color:#8e0d13}
.k3card{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;font-family:var(--f-head);font-size:clamp(18px,2.4vw,24px);font-weight:600;color:#fff;line-height:1.3}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.gallery button{border:0;padding:0;border-radius:var(--r-sm);overflow:hidden;cursor:zoom-in;background:var(--l3)}
.gallery img{aspect-ratio:1;object-fit:cover;width:100%;transition:transform .4s var(--ease)}
.gallery button:hover img{transform:scale(1.04)}
@media (max-width:640px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
dialog.lb{border:0;padding:0;background:transparent;max-width:min(960px,92vw)}
dialog.lb::backdrop{background:rgba(7,26,64,.85)}
dialog.lb img{border-radius:var(--r);max-height:80vh;width:auto}
dialog.lb button,dialog.vd button.x{position:absolute;top:8px;right:8px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:20px;cursor:pointer}
dialog.vd{border:0;padding:0;width:min(960px,92vw);background:#000;border-radius:var(--r)}
dialog.vd::backdrop{background:rgba(7,26,64,.85)}
dialog.vd iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
.guest{display:flex;gap:8px;margin-top:12px}
.guest input{flex:1;min-width:0;min-height:44px;border:1px solid var(--line-strong);border-radius:999px;padding:0 14px}
.guests{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.sresults{position:absolute;top:100%;left:0;right:0;margin-top:6px;background:var(--l1);border:1px solid var(--line-strong);border-radius:var(--r-sm);box-shadow:0 12px 30px rgba(7,26,64,.12);overflow:hidden;z-index:30}
.sresults a{display:block;padding:12px 14px;border-bottom:1px solid var(--line);font-size:14px}
.sresults a:hover,.sresults a:focus{background:var(--l2)}
.sresults small{color:var(--t3);display:block}
.mq{display:grid;gap:18px}
.mq fieldset{border:0;padding:0}
.mq legend{font-weight:600;margin-bottom:8px;color:var(--t1)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600;min-height:32px;color:var(--t1)}
.faq p{margin-top:8px}

/* ===== dua dunia: Edukasi & Informasi | Media ===== */
:root{--media:#c8102e;--media-d:#8f0b20}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:clamp(440px,64vh,600px);background:var(--navy-900)}
.half{position:relative;overflow:hidden;display:flex;align-items:flex-end;color:#fff;isolation:isolate}
.half img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.2s var(--ease);animation:kenburns 24s ease-in-out infinite alternate}
.half::after{content:"";position:absolute;inset:0;z-index:-1}
.edu::after{background:linear-gradient(180deg,rgba(7,20,48,.25) 0%,rgba(7,20,48,.92) 72%)}
.media::after{background:linear-gradient(180deg,rgba(60,4,14,.2) 0%,rgba(40,6,14,.94) 72%)}
.half:hover img{transform:scale(1.05)}
.half-in{padding:clamp(24px,4vw,56px);max-width:620px}
.half h1,.half h2{font-size:clamp(30px,4.2vw,56px);margin:12px 0;color:#fff}
.edu em{font-style:normal;color:#5fb4f7}
.media em{font-style:normal;color:#ffb3bf}
.half p{color:#d5def0;margin-bottom:20px;max-width:44ch}
.media p b{color:#fff}
.btn-media{background:var(--media);color:#fff}
.half:hover .btn-media{background:var(--media-d)}
.half:hover .btn-orange{background:var(--orange-d);color:#fff}
.half + .half{border-left:1px solid rgba(255,255,255,.12)}
.kicker.live i{background:#ff3b5c;animation:pulse 1.4s infinite;box-shadow:0 0 0 0 rgba(255,59,92,.7)}
@media (max-width:760px){.split{grid-template-columns:minmax(0,1fr)}.half{min-height:360px}.half + .half{border-left:0;border-top:1px solid rgba(255,255,255,.12)}}

.zone{padding:40px 0 8px}
.zone-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.zone-head h2{font-size:clamp(22px,3vw,32px);color:var(--navy-800);flex:1}
.zone-tag{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--media);color:#fff}
.zone-tag.edu{background:var(--navy-800)}
.zone-media{background:linear-gradient(var(--l0),var(--l0))}
.news-strip{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:14px}
.ncard.big{grid-row:span 1}
.ncard h3{font-size:16px;line-height:1.3}
.ncard.big h3{font-size:22px}
@media (max-width:960px){.news-strip{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.ncard.big{grid-column:1/-1}}
@media (max-width:520px){.news-strip{grid-template-columns:minmax(0,1fr)}}
.yt{margin-top:16px;background:var(--g900);border-radius:var(--r);padding:16px;color:#fff}
.yt-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.yt-head .more{color:#ffb3bf}
.yt-frame{display:block;position:relative;width:100%;aspect-ratio:16/9;border:0;border-radius:var(--r-sm);overflow:hidden;background:#000;cursor:pointer;padding:0;color:#fff}
.yt-frame img{width:100%;height:100%;object-fit:cover;opacity:.55}
.yt-frame .play{position:absolute;inset:0;display:grid;place-items:center}
.yt-frame .play span{width:72px;height:72px;border-radius:50%;background:var(--media);display:grid;place-items:center;font-size:24px}
.yt-frame b{position:absolute;left:16px;bottom:14px;font-family:var(--f-head)}

/* menu dua grup + akun */
.ng{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:3px 7px;border-radius:4px;align-self:center;margin:0 2px 0 8px}
.ng.edu{background:var(--navy-100);color:var(--navy-800)}
.ng.med{background:#fde3e7;color:var(--media-d)}
nav.main a{font-size:14px;padding:10px 9px}
.acct{min-height:40px;padding:0 16px;border-radius:999px;border:0;background:var(--navy-800);color:#fff;font-weight:600;cursor:pointer;white-space:nowrap;flex:none}
.acct.in{background:var(--l3);color:var(--navy-800)}
.acct-menu{position:absolute;right:16px;top:100%;margin-top:6px;background:var(--l1);border:1px solid var(--line-strong);border-radius:var(--r);padding:12px;min-width:220px;display:grid;gap:4px;box-shadow:0 14px 36px rgba(7,26,64,.14);z-index:30}
.acct-menu small{color:var(--t3);margin-bottom:6px;overflow-wrap:anywhere}
.acct-menu a,.acct-menu button{text-align:left;padding:10px;border-radius:6px;border:0;background:none;cursor:pointer;font-weight:600;color:var(--t1)}
.acct-menu a:hover,.acct-menu button:hover{background:var(--l2)}
header.site .wrap{position:relative}
@media (max-width:1240px){header.site .search{display:none}}
@media (max-width:1060px){.acct{margin-left:auto}.menu-btn{margin-left:8px}.ng{margin:12px 0 4px;align-self:flex-start}}

dialog.login{border:0;border-radius:16px;padding:0;width:min(420px,92vw)}
dialog.login::backdrop{background:rgba(7,26,64,.7);backdrop-filter:blur(4px)}
.login-in{padding:28px;display:grid;gap:12px;justify-items:center;text-align:center;position:relative}
.login-in .x{position:absolute;top:10px;right:10px;width:40px;height:40px;border:0;border-radius:50%;background:var(--l3);font-size:20px;cursor:pointer}
.login-in .mark{position:relative;width:52px;height:52px;border-radius:12px;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-family:var(--f-head);font-weight:700}
.login-in .mark i{position:absolute;right:-3px;bottom:-3px;width:14px;height:14px;border-radius:4px;background:var(--orange);border:2px solid #fff}
.login-in h2{font-size:22px;color:var(--navy-800)}
.login-in p{color:var(--t2)}
.demo-login{display:grid;gap:8px;width:100%;border-top:1px solid var(--line);padding-top:14px}
.demo-login span{font-size:12px;color:var(--t3)}
.demo-login input{min-height:46px;border:1px solid var(--line-strong);border-radius:999px;padding:0 16px}
.err{color:var(--red-600);font-size:14px;min-height:1em}

/* proteksi sebelum login */
body.locked main{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
body.locked main img{pointer-events:none}
body.shield main{filter:blur(14px);transition:filter .1s}
@media print{body.locked *{display:none!important}body.locked::after{content:"Masuk ke ruangteknikmedia.com untuk mencetak materi.";display:block;padding:40px;font:20px sans-serif}}
.paywall{position:relative;max-height:520px;overflow:hidden}
.paywall::after{content:"";position:absolute;left:0;right:0;bottom:0;height:260px;background:linear-gradient(rgba(255,255,255,0),var(--l1) 85%)}
.gate{background:var(--navy-800);color:#fff;border-radius:var(--r);padding:24px;text-align:center;margin:-8px 0 20px;display:grid;gap:10px;justify-items:center}
.gate h3{font-size:20px}
.gate p{color:#c9d6ee}

/* news page */
.headline{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px}
@media (max-width:860px){.headline{grid-template-columns:minmax(0,1fr)}}
.hl-main{position:relative;border-radius:var(--r);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;color:#fff;background:var(--g900)}
.hl-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hl-main div{position:relative;padding:22px;background:linear-gradient(transparent,rgba(0,0,0,.85));width:100%}
.hl-main h2{font-size:clamp(22px,3vw,34px);margin:8px 0;color:#fff}
.rank{list-style:none;padding:0;counter-reset:r}
.rank li{counter-increment:r;display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}
.rank li::before{content:counter(r);font-family:var(--f-head);font-size:30px;font-weight:700;color:var(--media);line-height:1}
.rank a{font-weight:600;line-height:1.35}
.rank small{display:block;color:var(--t3);font-weight:400;margin-top:4px}
.trend{display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px;margin-bottom:8px}
.trend a{white-space:nowrap;padding:8px 14px;border-radius:999px;background:#fde3e7;color:var(--media-d);font-weight:600;font-size:14px}
.trend a::before{content:"# "}
.summary{background:var(--l2);border-left:4px solid var(--orange);padding:14px 16px;border-radius:0 8px 8px 0;margin-bottom:16px;color:var(--t2)}
.summary b{color:var(--t1)}

/* absen + admin */
.absen-card{max-width:520px;margin:24px auto;text-align:center}
.code-in{font-family:var(--f-head);font-size:32px;letter-spacing:.3em;text-transform:uppercase;text-align:center;width:100%;min-height:64px;border:2px solid var(--line-strong);border-radius:var(--r);margin:12px 0}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--t3)}
.tbl-wrap{overflow-x:auto;background:var(--l1);border:1px solid var(--line);border-radius:var(--r)}
.st{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700}
.st.hadir{background:#e6f5ec;color:#0f5a2c}.st.izin{background:var(--yellow-100);color:#7a5600}.st.sakit{background:var(--navy-100);color:var(--navy-800)}.st.alpa{background:var(--red-50);color:#8e0d13}
.kpi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}
.kpi div{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.kpi b{display:block;font-family:var(--f-head);font-size:32px;color:var(--navy-800)}
.kpi span{font-size:13px;color:var(--t3)}
@media (max-width:640px){.kpi{grid-template-columns:repeat(2,minmax(0,1fr))}}
.form-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;gap:8px;align-items:end}
.form-row label{display:grid;gap:4px;font-size:13px;font-weight:600;color:var(--t2)}
.form-row input,.form-row select{min-height:44px;border:1px solid var(--line-strong);border-radius:8px;padding:0 10px;background:var(--l1);color-scheme:light}
@media (max-width:860px){.form-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.atabs{display:flex;gap:6px;margin:16px 0;overflow-x:auto}
.atabs button{min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);background:var(--l1);font-weight:600;cursor:pointer;white-space:nowrap}
.atabs button[aria-selected="true"]{background:var(--navy-800);color:#fff}
.sw{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.sw input{width:22px;height:22px;accent-color:var(--navy-800)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:640px){.grid2{grid-template-columns:minmax(0,1fr)}}
@media (max-width:520px){.brand small{display:none}.brand b{display:block;margin-left:0}.brand .mark{width:40px;height:40px}.acct{padding:0 14px;min-height:40px}header.site .wrap{gap:10px}}
@media (max-width:1060px){header.site .wrap{flex-wrap:nowrap}header.site.open .wrap{flex-wrap:wrap}.brand{min-width:0}.brand>span:last-child{min-width:0}}
.form-row input,.form-row select{min-width:0;width:100%}
.form-row label{min-width:0}

/* nav bawah v2: bar putih berlengkung + emblem heksagon (mur) di tengah */
@media (max-width:760px){
  body{padding-bottom:96px}
  .bnav{left:0;right:0;bottom:0;padding:14px 8px calc(8px + env(safe-area-inset-bottom));border:0;
    background:var(--l1);backdrop-filter:none;-webkit-backdrop-filter:none;
    border-radius:50% 50% 0 0 / 26px 26px 0 0;box-shadow:0 -6px 24px rgba(7,26,64,.10)}
  .bnav::before{content:none}
  .bnav a{color:var(--t4);min-height:52px;border-radius:12px;font-size:11px}
  .bnav a[aria-current]{color:var(--orange);background:none}
  .bnav a[aria-current] svg{color:var(--orange);filter:none;transform:translateY(-1px)}
  .bnav a[aria-current]::after{bottom:2px;width:5px;height:5px;border-radius:50%;box-shadow:none}
  .bnav a.hub{justify-content:flex-end;color:var(--navy-800);font-weight:700}
  .bnav a.hub::after{content:none}
  .hex{position:absolute;top:-34px;left:50%;width:62px;height:70px;transform:translateX(-50%);
    filter:drop-shadow(0 8px 14px rgba(0,109,190,.45));transition:transform .3s var(--ease)}
  .hex::before{content:"";position:absolute;inset:0;background:var(--orange);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
  .hex::after{content:"";position:absolute;inset:7px 6px;background:rgba(255,255,255,.16);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
  .hex svg{position:relative;z-index:1;width:28px!important;height:28px!important;margin:21px auto 0;display:block;color:#fff;stroke-width:2!important}
  .bnav a.hub:active .hex{transform:translateX(-50%) scale(.92)}
  .bnav a.hub[aria-current] .hex::before{background:var(--navy-800)}
  .bnav a.hub[aria-current] .hex{filter:drop-shadow(0 8px 14px rgba(11,42,99,.4))}
  .bnav a.hub[aria-current]{color:var(--navy-800)}
}
@media (max-width:760px){.bnav a.hub svg,.bnav a.hub[aria-current] svg{color:#fff!important;transform:none}}

/* anti-slop: section tab bar ala portal berita (ganti chip "#" berwarna) */
.trend{gap:0;border-bottom:1px solid var(--line-strong);padding:0;margin-bottom:20px;scrollbar-width:none}
.trend::-webkit-scrollbar{display:none}
.trend a{background:none;border-radius:0;padding:12px 16px 10px;font-family:var(--f-head);font-size:15px;font-weight:600;color:var(--t2);border-bottom:3px solid transparent;margin-bottom:-1px}
.trend a::before{content:none}
.trend a:first-child{padding-left:0}
.trend a:hover{color:var(--media);border-color:var(--media)}
/* kicker: label kategori teks berwarna, bukan kapsul */
.ncard .pill,.hl-main .pill,.lesson .tags .pill{background:none;padding:0;border-radius:0;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--navy-700)}
.ncard .pill.r,.hl-main .pill.r{color:var(--media)}
.hl-main .pill.r{color:#ff9fb0}
.lesson .tags{gap:14px}
.lesson .tags .pill+.pill{position:relative}
.lesson .tags .pill+.pill::before{content:"";position:absolute;left:-8px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--t4)}
.chips{gap:0;border-bottom:1px solid var(--line-strong);scrollbar-width:none}
.chips a{border:0;border-radius:0;background:none;padding:12px 14px 10px;border-bottom:3px solid transparent;margin-bottom:-1px}
.chips a[aria-selected="true"]{background:none;color:var(--navy-800);border-color:var(--orange)}
.chips a[aria-selected="true"] small{color:var(--t4)}
.zone-tag{border-radius:3px;padding:5px 9px;font-size:11px}
.link-step{display:grid;gap:10px;text-align:left}.link-step label{display:grid;gap:4px;font-weight:600;font-size:14px;color:var(--t2)}.link-step select{min-height:48px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;background:var(--l1);color-scheme:light;font:inherit;color:var(--t1);width:100%;min-width:0}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* logo resmi Ruang Teknik Media */
.brand-logo{height:34px;width:auto;display:block}
.foot-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:10px}
.foot-logo img{width:40px;height:40px;background:#fff;border-radius:8px;padding:4px}
.foot-logo b{font-family:var(--f-head);color:#fff;font-size:18px}.foot-logo b span{color:#5fb4f7}
.login-in .logo-mark{width:56px;height:56px}
@media (max-width:520px){.brand-logo{height:24px}}
/* e-book + donasi */
.ebook-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:center;margin:8px 0 28px}
.ebook-hero h1{font-size:clamp(28px,4vw,44px);color:var(--navy-800);margin:10px 0}
.ebook-hero p{color:var(--t2);max-width:52ch}
.ebook-steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ebook-steps li{background:var(--l1);padding:14px 16px}
.ebook-steps b{display:block;font-family:var(--f-head);color:var(--navy-800)}
.ebook-steps span{font-size:13px;color:var(--t3)}
@media (max-width:760px){.ebook-hero{grid-template-columns:minmax(0,1fr)}}
.ebook-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:16px}
.ebook{background:var(--l1);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.ebook .cover{position:relative;aspect-ratio:4/3;background:var(--navy-800);color:#fff;padding:18px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;overflow:hidden}
.ebook .cover::before{content:"";position:absolute;right:-30px;top:-30px;width:140px;height:140px;background:var(--orange);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);opacity:.9}
.ebook .cover span{position:relative;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9fc9f2}
.ebook .cover b{position:relative;font-family:var(--f-head);font-size:20px;line-height:1.2}
.ebook .cover img{position:absolute;top:14px;left:14px;width:36px;height:36px;background:#fff;border-radius:8px;padding:3px}
.ebook .body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.ebook h3{font-size:17px}
.ebook p{color:var(--t2);font-size:14px}
.ebook .meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--t3);margin-top:auto;padding-top:6px}
.ebook .btn{width:100%}
.pay{display:grid;gap:10px}
.pay-box{border:1px solid var(--line-strong);border-radius:12px;padding:14px;display:grid;gap:6px;justify-items:center;text-align:center}
.pay-box span{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--t3)}
.pay-box b{font-family:var(--f-head);font-size:24px;letter-spacing:.04em;color:var(--navy-800)}
.pay-box img{width:200px;height:200px;object-fit:contain}
.fld{display:grid;gap:4px;font-size:14px;font-weight:600;color:var(--t2)}
.fld input,.fld select{min-height:46px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;font:inherit;color:var(--t1);background:var(--l1);color-scheme:light;width:100%;min-width:0}
dialog.login{max-height:92vh;overflow:auto}
.brand img.brand-logo{width:auto;height:34px;object-fit:contain}
@media (max-width:520px){.brand img.brand-logo{height:22px}}
.meet{display:grid;gap:4px;text-align:left;background:var(--l2);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:8px;padding:12px 14px;margin-bottom:12px;font-size:14px;color:var(--t2)}.meet b{color:var(--t1)}.gps-note{margin-bottom:12px}

/* papan juara */
.score-box{display:grid;gap:8px;margin-top:14px;padding:14px;border-radius:10px;background:var(--navy-100);color:var(--navy-900);font-size:15px}
.score-box span{color:var(--t2)}
.sek-form{display:flex;gap:8px}.sek-form input{flex:1;min-width:0;min-height:44px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;font:inherit}
.podium{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:end;margin:8px 0 16px}
.pod{position:relative;display:grid;justify-items:center;gap:2px;text-align:center;padding:12px 8px 0;min-width:0}
.pod b{font-family:var(--f-head);font-size:15px;line-height:1.2;overflow-wrap:anywhere}
.pod small{font-size:12px;color:var(--t3);overflow-wrap:anywhere}
.pod em{font-style:normal;font-size:12px;font-weight:600;color:var(--navy-700)}
.pod i{display:block;width:100%;margin-top:8px;border-radius:8px 8px 0 0;background:var(--navy-800)}
.p1 i{height:96px;background:var(--orange)}.p2 i{height:70px}.p3 i{height:52px;background:var(--navy-700)}
.medal{width:38px;height:38px;display:grid;place-items:center;font-family:var(--f-head);font-weight:700;color:#fff;background:var(--navy-800);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);margin-bottom:4px}
.p1 .medal{background:var(--orange);width:46px;height:46px;font-size:20px}
.pod.empty b{display:none}
.board-list{list-style:none;padding:0;counter-reset:b 3;border-top:1px solid var(--line)}
.board-list li{counter-increment:b;display:grid;grid-template-columns:32px minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.board-list li::before{content:counter(b);font-family:var(--f-head);font-weight:700;color:var(--t3)}
.board-list span{font-weight:600}.board-list small{display:block;color:var(--t3);font-weight:400;font-size:12px}
.board-list b{font-family:var(--f-head);color:var(--navy-800)}.board-list em{font-style:normal;font-size:13px;color:var(--t3);min-width:64px;text-align:right}
.mine{margin-top:10px}

/* reaksi pembaca */
.react{margin:8px 0 20px}
.react h3{font-size:17px;color:var(--navy-800);margin-bottom:10px}
.rx{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.rx button{display:grid;justify-items:center;gap:2px;padding:12px 6px;border:1px solid var(--line-strong);border-radius:12px;background:var(--l1);cursor:pointer;font:inherit;color:var(--t2);transition:transform .15s var(--ease),border-color .2s,background .2s}
.rx button:hover{border-color:var(--orange)}
.rx button:active{transform:scale(.95)}
.rx button[aria-pressed="true"]{border-color:var(--orange);background:var(--navy-100);color:var(--navy-900)}
.rx .em{font-size:28px;line-height:1.1;transition:transform .25s var(--ease)}
.rx button[aria-pressed="true"] .em{transform:scale(1.15)}
.rx b{font-size:14px}.rx small{font-size:12px;color:var(--t3)}