/* ilmutekkim: mengikuti DNA referensi studio arsitektur (Dribbble Make Good):
   off-white + arang, hairline rules, grotesque uppercase rapat, pil hitam kecil,
   kartu flat tanpa shadow, sistem nomor. Aksen tunggal: biru baja muted (bukan neon). */
:root{
  --paper:   #F4F4F2;
  --paper-2: #ECECE8;
  --card:    #FFFFFF;
  --rule:    #D8D8D2;
  --ink:     #131518;
  --ink-2:   #2A2D33;
  --gray:    #5B5C5F;
  --gray-2:  #959699;
  --blue:    #33566E;
  --blue-2:  #4A7290;
  --dark:    #0E0F11;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Archivo","Plus Jakarta Sans",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
h1,h2,h3,.brand,.foot-brand{font-family:"Archivo","Plus Jakarta Sans",sans-serif}
a{color:var(--blue);text-decoration-color:var(--rule);text-underline-offset:3px}
a:hover{text-decoration-color:var(--blue)}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;
  padding:13px 22px;background:var(--paper);color:var(--ink);border-bottom:1px solid var(--ink)}
.brand{color:var(--ink);text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.02em;text-transform:lowercase}
.brand span{color:var(--blue)}
.site-header nav{display:flex;gap:22px;align-items:center}
.site-header nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.08em}
.site-header nav a:hover{color:var(--blue)}
.btn-ig{background:var(--dark);color:#fff!important;padding:8px 18px;border-radius:999px;letter-spacing:.06em}
main{max-width:1180px;margin:0 auto;padding:0 22px 48px}
.hero{margin:0 -22px;padding:0 22px;border-bottom:1px solid var(--ink)}
.meta-strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--rule)}
.meta-strip div{padding:14px 16px 12px;border-left:1px solid var(--rule);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--gray)}
.meta-strip div:first-child{border-left:none;padding-left:0}
.meta-strip span{display:block;font-size:26px;font-weight:500;color:var(--blue);letter-spacing:-.02em;line-height:1.1}
.meta-strip b{display:block;color:var(--ink);font-weight:600;margin-top:2px}
.hero-grid{display:grid;grid-template-columns:1.6fr .8fr;gap:36px;align-items:end;padding:44px 0 48px}
.hero h1{font-size:clamp(40px,6.4vw,76px);line-height:.98;margin:0;font-weight:600;
  text-transform:uppercase;letter-spacing:-.025em;color:var(--ink)}
.hero-side p{margin:0 0 22px;color:var(--gray);font-size:16.5px;max-width:400px}
.eyebrow{font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin:0 0 10px}
.btn{display:inline-block;background:var(--dark);color:#fff;font-weight:600;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.08em;padding:11px 22px;border-radius:999px;text-decoration:none;margin:0 8px 6px 0;border:1.5px solid var(--dark)}
.btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.series-bar{padding:38px 0 4px;text-align:left}
.series-bar h2{margin:0 0 18px;font-size:30px;font-weight:600;text-transform:uppercase;letter-spacing:-.02em}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start;margin-bottom:16px}
.chip{font-family:inherit;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.06em;
  padding:7px 14px;border-radius:999px;border:1px solid var(--gray-2);background:transparent;color:var(--ink-2);cursor:pointer}
.chip.active{background:var(--dark);color:#fff;border-color:var(--dark)}
.chip:hover{border-color:var(--ink)}
#search{width:min(520px,100%);padding:12px 16px;border:1px solid var(--gray-2);border-radius:6px;
  font-size:15px;background:var(--card);color:var(--ink);font-family:inherit}
#search:focus{outline:2px solid var(--blue);outline-offset:1px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:1px;background:var(--rule);
  border:1px solid var(--rule);padding:0;margin:26px 0}
.card{background:var(--card);overflow:hidden}
.card img{width:100%;height:210px;object-fit:cover;border-radius:0}
.no-img{height:210px;display:grid;place-items:center;background:var(--paper-2);color:var(--gray);
  font-weight:600;font-size:22px;text-transform:uppercase;letter-spacing:.04em}
.card-body{padding:20px 22px 24px}
.card h3{margin:4px 0 10px;font-size:20px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--blue)}
.card p{color:var(--gray);font-size:15px;margin:0 0 12px}
.meta{color:var(--gray-2);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.badge{background:var(--paper-2);border:1px solid var(--rule);color:var(--blue);font-size:10px;
  padding:2px 8px;border-radius:999px;letter-spacing:.08em;vertical-align:2px;font-weight:700;text-transform:uppercase}
#no-result{text-align:left;color:var(--gray);padding:10px 0 30px}
.post{max-width:780px;margin:0 auto;padding:38px 0 10px}
.post + .post,.post.tight{padding-top:10px}
.post + .grid,.grid + .post{padding-top:10px}
.post.narrow{max-width:700px}
.post h1{font-size:clamp(32px,5vw,48px);line-height:1.05;margin:6px 0 12px;font-weight:700;letter-spacing:-.02em}
.post h2{font-size:25px;margin:38px 0 10px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  padding-top:22px;border-top:1px solid var(--rule)}
.lead{font-size:20px;color:var(--ink-2);font-weight:500;line-height:1.55}
.intro{font-size:17px}
.ig-link{font-weight:600}
.hero-img{margin:24px 0}
.hero-img img{width:100%;border-radius:4px;max-height:460px;object-fit:cover}
figure{margin:26px 0}
figure img{width:100%;border-radius:4px}
figcaption{font-size:12.5px;color:var(--gray-2);margin-top:8px;text-align:left;text-transform:uppercase;letter-spacing:.05em}
.misconception{background:var(--card);border:1px solid var(--ink);border-radius:6px;padding:22px 26px;margin:26px 0}
.misconception blockquote{margin:6px 0 10px;font-size:20px;font-weight:600;color:var(--ink);line-height:1.45}
.fact{background:var(--paper-2);border-left:3px solid var(--blue);color:var(--ink);
  padding:18px 22px;margin:24px 0;font-weight:600}
.formula{background:var(--card);border:1.5px solid var(--ink);border-radius:6px;padding:15px 20px;
  font-weight:700;text-align:center;font-size:18.5px;color:var(--ink);margin:22px 0;letter-spacing:-.01em}
.steps{list-style:none;padding:0;margin:20px 0;display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.steps li{display:flex;gap:16px;background:var(--card);padding:15px 19px}
.step-num{font-weight:600;font-size:22px;color:var(--blue);min-width:40px}
.steps p{margin:2px 0 0;color:var(--gray);font-size:15px}
.mini-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin:20px 0}
.mini-card{background:var(--card);padding:15px 19px}
.mini-card p{margin:4px 0 0;color:var(--gray);font-size:15px}
.conclusion{background:var(--dark);color:#F2F2EF;border-radius:6px;padding:28px 30px;margin:32px 0}
.conclusion h2{color:#fff;margin-top:4px;border-top:none;padding-top:0}
.conclusion .eyebrow{color:var(--blue-2)}
.conclusion .formula{background:transparent;color:#fff;border-color:var(--gray)}
.refs{font-size:14px;color:var(--gray)}
.post-nav{display:flex;justify-content:space-between;gap:14px;margin:36px 0;flex-wrap:wrap}
.post-nav a{font-weight:600;font-size:14px;max-width:48%}
.cta-box{background:var(--card);border:1px solid var(--ink);border-radius:6px;padding:28px 30px;text-align:left;margin:30px 0}
.cta-box h2{margin-top:0;border-top:none;padding-top:0}
footer{background:var(--dark);color:#B9BABD;text-align:left;padding:44px 22px 36px;margin-top:36px}
footer>*{max-width:1180px;margin-left:auto;margin-right:auto}
.foot-brand{font-weight:800;font-size:25px;color:#fff;letter-spacing:-.02em}
.foot-brand span{color:var(--blue-2)}
footer a{color:#fff}
.fine{font-size:13px;color:#7E7F82;max-width:640px;margin:14px auto 0}
.post.wide{max-width:980px}
.video-home{padding:38px 0 6px}
.video-home-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.video-home-head h2{margin:0;font-size:30px;font-weight:600;text-transform:uppercase;letter-spacing:-.02em}
.video-home-head a{font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.video-home-sub{color:var(--gray);max-width:640px;margin:8px 0 0}
.video-grid{margin-top:20px}
.vcard{position:relative}
.vcard>a{position:relative;display:block}
.vcard img{aspect-ratio:4/5;object-fit:cover}
.play-badge{position:absolute;left:12px;bottom:12px;background:var(--dark);color:#fff;font-size:12px;font-weight:700;
  padding:5px 10px;border-radius:999px;letter-spacing:.04em}
.player-wrap{background:var(--dark);border-radius:8px;padding:14px;margin:24px 0}
.player-wrap video{width:100%;max-height:72vh;border-radius:4px;background:#000;display:block}
.player-bar{display:flex;align-items:center;gap:12px;color:#B9BABD;font-size:12.5px;font-weight:600;margin-top:10px}
.player-bar .track{flex:1;height:5px;background:#2A2D33;border-radius:99px;overflow:hidden}
.player-bar #vprog{height:100%;width:0;background:var(--blue-2)}
.player-hint{color:#959699;font-size:13px;margin:8px 2px 2px}
.scene-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}
.scene{border:1px solid var(--rule);border-radius:8px;background:var(--card);overflow:hidden}
.scene.active{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.scene-head{display:flex;gap:10px;align-items:center;width:100%;text-align:left;background:transparent;border:0;
  padding:14px 16px;cursor:pointer;font-family:inherit;flex-wrap:wrap}
.scene-head:hover{background:var(--paper)}
.scene-num{font-weight:800;color:var(--blue);font-size:15px}
.scene-time{font-size:12px;font-weight:700;color:var(--gray);background:var(--paper-2);padding:3px 8px;border-radius:99px}
.scene-role{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--blue);text-transform:uppercase}
.scene-head strong{font-size:16px;color:var(--ink)}
.scene-body{padding:0 16px 16px 16px;border-top:1px solid var(--rule)}
.scene-body .on-screen{font-size:17px;font-weight:600;color:var(--ink)}
.scene-body .watch{background:var(--paper-2);border-left:3px solid var(--blue);padding:10px 12px}
.quiz{background:var(--card);border:1px solid var(--ink);border-radius:8px;padding:22px 24px;margin:26px 0}
.quiz-opts{display:grid;gap:8px;margin:14px 0}
.quiz-opt{font-family:inherit;text-align:left;padding:12px 14px;border:1px solid var(--gray-2);border-radius:6px;
  background:transparent;cursor:pointer;font-size:15px}
.quiz-opt:hover{border-color:var(--ink)}
.quiz-opt.right{border-color:#1B7A3D;background:#EAF5EC;font-weight:600}
.quiz-opt.wrong{border-color:#B42318;background:#FDECEC}
.quiz-explain{background:var(--paper-2);padding:12px 14px;border-radius:6px}
@media(max-width:760px){
  .site-header nav a:not(.btn-ig){display:none}
  .meta-strip{grid-template-columns:repeat(2,1fr)}
  .meta-strip div{padding-left:12px}
  .hero-grid{grid-template-columns:1fr;gap:20px;padding:32px 0 36px}
}


/* versi artikel halaman video (ILM-R63) */
.article-body p{line-height:1.8;margin:0 0 14px}
.art-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:28px 0 10px}
.art-h.active{color:#00B4D8}
.seek{font:inherit;font-size:.78rem;font-weight:700;color:#0B1B3F;background:#E8F6FB;border:1px solid #00B4D8;border-radius:999px;padding:3px 10px;cursor:pointer}
.seek:hover{background:#00B4D8;color:#fff}
.factbox{background:#0B1B3F;color:#EAF4FB;border-radius:14px;padding:18px 22px;margin:22px 0}
.factbox h2{color:#fff;margin-top:0}
.factbox li{margin:6px 0;line-height:1.65}


/* referensi bernomor (ILM-R64) */
.refs ol{margin:0;padding-left:22px}
.refs li{margin:6px 0;line-height:1.6}


/* bedah riset (ILM-R65) */
.cov-label{display:inline-block;font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#0e7490;border:1px solid #0e7490;border-radius:999px;padding:4px 12px;margin:0 0 14px}
.paper-box{border:1px solid #d7dde3;border-radius:14px;padding:18px 20px;margin:22px 0;background:#f7fafc}
.paper-title{margin:4px 0 8px;font-size:1.25rem;line-height:1.35}
.verdict{border:2px solid #131518;border-radius:14px;padding:18px 20px;margin:26px 0}
.verdict h2{margin:4px 0 8px}

/* Kalkulator interaktif (ILM-R68) */
.calc-card{background:#0B1B3F;color:#EAF4FB;border-radius:14px;padding:20px 22px;margin:22px 0}
.calc-card h2{color:#fff;margin-top:0}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0}
.calc-grid label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#9FB4DD;display:block}
.calc-grid input,.calc-grid select{width:100%;margin-top:6px;padding:9px 10px;border-radius:8px;border:1px solid #29406E;background:#0F2653;color:#fff;font:inherit}
.calc-out{margin-top:10px;line-height:1.65}
.calc-out strong{color:#fff}
#mt-canvas{width:100%;max-width:520px;background:#0F2653;border-radius:12px;margin-top:12px}

.post.tight h2:first-child,.post.tight h2:first-of-type{margin-top:0;padding-top:0;border-top:none}
.btn.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:left;line-height:1.35;padding:10px 14px;border-radius:16px;max-width:100%}
.btn.clamp{text-transform:none;letter-spacing:.01em;font-size:12.5px}
.stepcard{background:#fff;border:1px solid #D9E1F0;border-radius:14px;padding:20px 22px;margin:16px 0;box-shadow:0 2px 10px rgba(11,27,63,.06)}
.stepcard h2{margin:6px 0 8px;font-size:21px;line-height:1.3;border-top:none;padding-top:0}
.stepcard h2 a{color:#0B1B3F;text-decoration:none}
.stepcard h2 a:hover{color:#0066CC;text-decoration:underline}
.stepcard p{color:#33383D;margin:0 0 10px}
.stepcard p:last-child{margin-bottom:0}
.calc-card{background:#fff;color:#22272E;border:1px solid #D9E1F0;box-shadow:0 2px 10px rgba(11,27,63,.06)}
.calc-card h2{color:#0B1B3F}
.calc-grid label{color:#556070}
.calc-grid input,.calc-grid select{background:#fff;border-color:#B9C6DE;color:#131518}
.calc-out strong{color:#0B1B3F}

.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.burger{display:none;font-size:26px;line-height:1;cursor:pointer;color:var(--ink);padding:6px 10px;user-select:none}
@media(max-width:760px){
  .site-header{position:sticky}
  .burger{display:block;margin-left:auto}
  .site-header nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #D9E1F0;box-shadow:0 16px 30px rgba(11,27,63,.14);flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 16px;z-index:30}
  .site-header nav a,.site-header nav a:not(.btn-ig){display:block;padding:11px 4px;font-size:14px;border-bottom:1px solid #EEF2FA}
  .site-header nav a.btn-ig{display:inline-block;margin-top:12px;text-align:center}
  .nav-toggle:checked ~ nav{display:flex}
  .nav-toggle:checked ~ .burger{transform:rotate(90deg)}
  .burger{transition:transform .18s ease}
}
@media(min-width:761px){
  .burger{display:none}
}

/* Mode gelap (ILM): default mengikuti sistem, pilihan tersimpan */
:root[data-theme="dark"]{--paper:#0C1118;--paper-2:#131A24;--card:#131A24;--rule:#26303F;--ink:#E9EEF6;--ink-2:#C7D3E6;--gray:#96A6BC;--gray-2:#647890;--blue:#82B4DC;--blue-2:#A5CBEA}
:root[data-theme="dark"] footer{background:#0E0F11}
:root[data-theme="dark"] .btn{background:#33566E;color:#fff}
:root[data-theme="dark"] .btn:hover{background:#4A7290;color:#fff}
:root[data-theme="dark"] .btn-ig{background:#33566E;color:#fff!important}
:root[data-theme="dark"] .site-header nav{background:#0C1118;border-bottom-color:#26303F}
:root[data-theme="dark"] .stepcard{background:#131A24;border-color:#26303F;box-shadow:none}
:root[data-theme="dark"] .stepcard h2 a{color:#E9EEF6}
:root[data-theme="dark"] .stepcard p{color:#B7C5DA}
:root[data-theme="dark"] .calc-card{background:#131A24;color:#DDE6F2;border-color:#26303F;box-shadow:none}
:root[data-theme="dark"] .calc-card h2{color:#E9EEF6}
:root[data-theme="dark"] .calc-grid label{color:#96A6BC}
:root[data-theme="dark"] .calc-grid input,:root[data-theme="dark"] .calc-grid select{background:#0C1118;border-color:#33445E;color:#E9EEF6}
:root[data-theme="dark"] .calc-out strong{color:#E9EEF6}
:root[data-theme="dark"] .paper-box{background:#131A24;border-color:#26303F}
:root[data-theme="dark"] .cov-label{color:#67C7DE;border-color:#67C7DE}
:root[data-theme="dark"] .quiz-opt.right{background:#12351F;border-color:#2E7D4F;color:#CFEBD9}
:root[data-theme="dark"] .quiz-opt.wrong{background:#3D1713;border-color:#A03B2E;color:#F3D2CC}
:root[data-theme="dark"] #search{background:#131A24;color:#E9EEF6;border-color:#33445E}
:root[data-theme="dark"] .grid{background:#26303F}
.theme-toggle{margin-left:auto;background:transparent;border:1.5px solid var(--ink);color:var(--ink);border-radius:999px;width:38px;height:38px;font-size:17px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}
.theme-toggle:hover{background:var(--ink);color:var(--paper)}
.theme-toggle .ic-sun{display:none}
:root[data-theme="dark"] .theme-toggle .ic-sun{display:inline}
:root[data-theme="dark"] .theme-toggle .ic-moon{display:none}
@media(min-width:761px){.theme-toggle{margin-left:18px}}
footer .btn-ig{background:#F4F4F2;color:#0E0F11!important;border-radius:999px;padding:9px 18px;font-weight:600;display:inline-block;margin:0 8px 6px 0}
footer .btn-ig:hover{background:#82B4DC}
.tool-strip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--rule);margin:0 -22px;padding:0 22px}
.tool-strip a{display:block;padding:18px 18px 16px;border-left:1px solid var(--rule);text-decoration:none;color:var(--ink)}
.tool-strip a:nth-child(3n+1){border-left:none;padding-left:0}
.tool-strip a span{display:block;font-size:12px;letter-spacing:.1em;color:var(--blue);font-weight:700;text-transform:uppercase}
.tool-strip a b{display:block;font-size:19px;margin:4px 0 3px;font-weight:700}
.tool-strip a i{display:block;font-style:normal;color:var(--gray);font-size:13.5px;line-height:1.45}
.tool-strip a:hover{background:var(--paper-2)}
@media(max-width:760px){.tool-strip{grid-template-columns:repeat(2,1fr)}.tool-strip a:nth-child(3n+1){border-left:1px solid var(--rule);padding-left:18px}.tool-strip a:nth-child(2n+1){border-left:none;padding-left:0}}

/* Strip fitur: ringkas saat diam, melebar dan berdetail saat hover */
.tool-strip{display:flex}
.tool-strip a{flex:1 1 0;transition:flex-grow .38s ease,background .2s ease;border-left:1px solid var(--rule)}
.tool-strip a:first-child{border-left:none;padding-left:0}
.tool-strip a:nth-child(3n+1){border-left:1px solid var(--rule);padding-left:18px}
.tool-strip a:first-child{border-left:none;padding-left:0}
.tool-strip a i{max-height:0;opacity:0;overflow:hidden;margin-top:0;transition:max-height .38s ease,opacity .3s ease,margin .3s ease}
.tool-strip a:hover,.tool-strip a:focus-visible{flex-grow:2;background:var(--paper-2)}
.tool-strip a:hover i,.tool-strip a:focus-visible i{max-height:130px;opacity:1;margin-top:5px}
@media (hover:none){.tool-strip a i{display:block}}
.tool-strip a.open{flex-grow:2;background:var(--paper-2)}
.tool-strip a.open i{max-height:130px;opacity:1;margin-top:5px}
@media(max-width:760px){.tool-strip{flex-wrap:wrap}.tool-strip a{flex:1 1 33.33%;padding:14px 12px}.tool-strip a:nth-child(3n+1){border-left:1px solid var(--rule);padding-left:12px}.tool-strip a:first-child{border-left:none;padding-left:0}.tool-strip a b{font-size:15px}}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center}
.foot-links span{color:#7E7F82}
.chips-more{display:none}
@media(max-width:760px){
  .chips:not(.expanded) .chip-extra{display:none}
  .chips-more{display:block;width:100%;text-align:center;padding:10px 14px;margin-top:2px}
}