/* Halaman portal (Materi & latihan, Lab & eksplorasi, Gim & kuis) dalam gaya "Dunia Kahayan".
   Dimuat setelah beranda.css (token, kepala, kaki, tombol, dialog cari, efek bersama). Isi halaman tetap memakai
   markah portal-v2 (.portal-card, .filter-bar, .study-tabs, .comparison, .faq-item), jadi di sini hanya kulitnya. */
.v3-page.tone-blue{--pick:#86a9ff}
.v3-page.tone-green{--pick:#4fe3b5}
.v3-page.tone-gold{--pick:#ffc954}
.v3-page main{display:block}
.v3-page .container{width:min(100% - 2 * (var(--gutter) + var(--safe)),var(--wrap));margin-inline:auto}
.hd-nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.08);box-shadow:inset 0 -2px 0 var(--pick)}
.mobile-nav a[aria-current="page"]{color:var(--pick)}

/* ---------- Pembuka halaman ---------- */
.ph{position:relative;overflow:hidden;isolation:isolate;display:grid;align-items:center;min-height:min(88svh,780px);padding:calc(70px + env(safe-area-inset-top,0px) + 34px) 0 130px;background:radial-gradient(60% 70% at 78% 42%,color-mix(in srgb,var(--pick) 24%,transparent),transparent 70%),radial-gradient(50% 45% at 8% 0%,rgba(255,160,90,.16),transparent 70%),linear-gradient(180deg,#090c2a,#151a55 62%,var(--night))}
.ph-cv{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.ph-motif{position:absolute;right:-10%;top:50%;z-index:-1;width:min(78vw,760px);aspect-ratio:1;color:var(--pick);opacity:.08;translate:0 -50%;animation:spin 140s linear infinite;pointer-events:none}
.ph-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,70px);align-items:center}
.ph-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 22px;color:var(--faint);font-size:.88rem;font-weight:700}
.ph-crumbs a{display:inline-flex;align-items:center;min-height:32px;color:var(--muted);text-decoration:none}
.ph-crumbs a:hover{color:#fff}
.ph-crumbs [aria-current]{color:var(--pick)}
.ph h1{font-size:clamp(2.9rem,7.4vw,5.8rem);line-height:.98;letter-spacing:-.045em;text-shadow:0 8px 40px rgba(10,8,40,.6)}
.ph-lead{margin:20px 0 0;color:#e2e1ff}
.ph-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.ph-stat{display:flex;align-items:baseline;gap:9px;margin:0;padding:11px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);color:var(--muted);font-size:.86rem;font-weight:700}
.ph-stat b{color:var(--pick);font:800 1.7rem/1 var(--display);font-variant-numeric:tabular-nums}
.ph-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.ph-host{position:relative;display:grid;justify-items:center;gap:6px;justify-self:center;width:min(100%,380px);cursor:pointer;-webkit-tap-highlight-color:transparent}
.ph-host:focus-visible{outline-offset:8px;border-radius:24px}
.ph-art{position:relative;width:min(72%,250px);aspect-ratio:120/124;animation:float 3.4s ease-in-out infinite alternate}
.ph-art::before{content:"";position:absolute;left:-14%;right:-14%;bottom:-8%;height:28%;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--pick) 55%,transparent),transparent)}
.ph-art svg{position:relative;display:block;width:100%;height:100%}
.ph-say{position:relative;width:100%;min-height:4.7em;margin:0 0 10px;padding:16px 18px;border-radius:18px;background:rgba(5,7,24,.8);border:2px solid color-mix(in srgb,var(--pick) 45%,rgba(255,255,255,.15));box-shadow:0 20px 50px -24px rgba(0,0,0,.9);color:#f4f2ff;font-weight:600;line-height:1.55}
.ph-say::after{content:"";position:absolute;left:50%;bottom:-11px;width:18px;height:18px;margin-left:-9px;background:inherit;border:inherit;border-top:0;border-left:0;transform:rotate(45deg)}
.ph-say:empty::before{content:"…"}
.ph-say:focus-visible{outline:3px solid var(--pick);outline-offset:4px}
.ph-river{position:absolute;left:0;right:0;bottom:-1px;z-index:-1;width:100%;height:120px}
/* Pelabuhan: dermaga, lampu yang menyala setelah tiba, papan nama, klotok tertambat yang terayun */
.ph-dock{position:absolute;right:max(3%,env(safe-area-inset-right));bottom:0;z-index:-1;width:min(36vw,400px);height:auto;pointer-events:none;filter:drop-shadow(0 10px 18px rgba(0,0,0,.45))}
.ph-river{z-index:-2}
.ph-cv,.ph-motif{z-index:-3}
.pd-kecil{fill:#ffe6b0;font:800 9px var(--body);letter-spacing:2.6px}
.pd-nama{fill:var(--gold);font:800 16px var(--display);letter-spacing:1.5px}
.pd-air{fill:url(#pdAir);opacity:.92}
.pd-lamp{fill:#5a4630;animation:lampuWarna .2s steps(2) 1.1s 3 both}
.pd-glow{opacity:0;animation:lampuMuncul .2s steps(2) 1.1s 3 both}
.pd-boat{transform-box:fill-box;transform-origin:50% 100%;animation:bob 3.2s ease-in-out infinite}
@keyframes lampuWarna{to{fill:#ffcf6b}}
@keyframes lampuMuncul{to{opacity:1}}
.ph-w1{fill:#141a4d;animation:wave 7s ease-in-out infinite alternate}
.ph-w2{fill:#10143f;animation:wave 5s ease-in-out infinite alternate-reverse}
.ph-w3{fill:var(--night)}
@keyframes wave{to{transform:translateX(-60px)}}
html.v3-ready .ph-copy>*{animation:phIn .9s var(--ease) both}
html.v3-ready .ph-copy>:nth-child(2){animation-delay:.08s}
html.v3-ready .ph-copy>:nth-child(4){animation-delay:.2s}
html.v3-ready .ph-copy>:nth-child(5){animation-delay:.3s}
html.v3-ready .ph-copy>:nth-child(6){animation-delay:.4s}
html.v3-ready .ph-host{animation:phHost 1s cubic-bezier(.3,1.4,.5,1) .35s both}
@keyframes phIn{from{opacity:0;transform:translateY(26px)}}
@keyframes phHost{from{opacity:0;transform:translateY(40px) scale(.8)}}

/* ---------- Judul bagian ---------- */
.v3-page .section{position:relative;padding:clamp(70px,9vw,110px) 0 0}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}
.section-heading h2{max-width:22ch}
#pilihan{position:relative;padding-top:clamp(40px,5vw,64px)}

/* ---------- Filter (Gim & kuis) ---------- */
.filter-bar:not([hidden]){display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:0 0 26px}
.filter-list{display:flex;flex-wrap:wrap;gap:8px}
.filter-button{height:44px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:var(--muted);font:800 .88rem var(--body);cursor:pointer;transition:background-color .2s,color .2s,border-color .2s}
.filter-button:hover{color:#fff;border-color:rgba(255,255,255,.32)}
.filter-button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#291600}
[data-filter-count]{margin:0;color:var(--faint);font-size:.86rem;font-weight:700}

/* ---------- Kartu dunia (markah portal-v2 .portal-card) ---------- */
.portal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.portal-card{--c:var(--t-blue);position:relative;display:grid;grid-template-areas:"preview" "heading" "body" "bottom";grid-template-rows:auto auto 1fr auto;border-radius:24px;background:linear-gradient(170deg,rgba(32,38,98,.9),rgba(13,16,50,.97));border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 60px -36px rgba(0,0,0,.95);transform:perspective(1100px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .55s var(--ease),border-color .3s,box-shadow .3s;scroll-margin-top:96px}
.portal-card[hidden]{display:none}
.portal-card:hover{transition:transform .12s linear,border-color .3s,box-shadow .3s;border-color:color-mix(in srgb,var(--c) 55%,transparent);box-shadow:0 40px 80px -36px color-mix(in srgb,var(--c) 55%,#000)}
.portal-card::before{content:"";position:absolute;left:26px;right:26px;top:0;z-index:2;height:3px;border-radius:0 0 4px 4px;background:var(--c);box-shadow:0 0 18px var(--c)}
.portal-card::after{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;pointer-events:none;background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.14) 47%,rgba(255,226,160,.22) 50%,transparent 62%) 160% 0/260% 100% no-repeat}
.portal-card.in::after{animation:sweep 1.4s var(--ease) .35s both}
html.v3-ready .portal-card[data-reveal]:not(.in):not(.reveal-visible){opacity:0;transform:perspective(900px) rotateX(30deg) translateY(70px) scale(.95)}
html.v3-ready .portal-card[data-reveal].in{transition:transform .9s var(--ease),border-color .3s,box-shadow .3s,opacity .8s var(--ease)}
.portal-heading{grid-area:heading;display:flex;align-items:center;gap:14px;padding:18px 22px 4px}
.icon-tile{display:grid;place-items:center;flex:none;width:46px;height:46px;border-radius:14px;background:color-mix(in srgb,var(--c) 18%,transparent);border:1px solid color-mix(in srgb,var(--c) 45%,transparent);color:var(--c);box-shadow:0 0 24px -6px var(--c)}
.icon-tile .icon{width:22px;height:22px}
.portal-heading .eyebrow{display:block;margin:0 0 5px;color:var(--c);font-size:.72rem;letter-spacing:.14em}
.portal-heading .eyebrow::before{display:none}
.portal-card h2{font-size:clamp(1.3rem,2vw,1.62rem);line-height:1.12}
.portal-preview{grid-area:preview;position:relative;margin:10px 10px 0;border-radius:18px;overflow:hidden;background:#1a1f55}
.screenshot-link{position:relative;display:block;aspect-ratio:16/10}
.screenshot-link img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .4s}
.portal-card:hover .screenshot-link img{transform:scale(1.06)}
.screenshot-link::after{content:"";position:absolute;inset:auto 0 0;height:45%;background:linear-gradient(transparent,rgba(8,9,30,.6));pointer-events:none}
.image-action{position:absolute;right:12px;top:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:rgba(8,10,30,.72);border:1px solid rgba(255,255,255,.2);color:#fff;font:800 .74rem/1 var(--body);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:.88;transition:opacity .2s,background-color .2s}
.image-action .icon{width:14px;height:14px}
.screenshot-link:hover .image-action{opacity:1;background:var(--c);color:#0b0e2a}
.portal-preview figcaption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.portal-card.is-stamped .portal-preview::after{content:"✓ Distempel";position:absolute;left:12px;bottom:12px;z-index:2;padding:6px 10px;border-radius:999px;border:2px solid var(--c);background:rgba(8,10,30,.78);color:var(--c);font:800 .72rem/1 var(--body);letter-spacing:.06em;text-transform:uppercase;transform:rotate(-6deg)}
.portal-body{grid-area:body;padding:8px 22px 0}
.card-description{margin:0 0 12px;color:var(--muted);font-size:.95rem;line-height:1.6}
.check-list{display:grid;gap:8px;margin:0 0 14px;padding:0;list-style:none}
.check-list li{display:flex;gap:10px;color:#e5e3ff;font-size:.9rem;line-height:1.5}
.check-list li::before{content:"✓";display:grid;place-items:center;flex:none;width:20px;height:20px;margin-top:1px;border-radius:50%;background:color-mix(in srgb,var(--c) 22%,transparent);color:var(--c);font:800 .72rem/1 var(--body)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:var(--muted);font-size:.76rem;font-weight:700}
.portal-bottom{grid-area:bottom;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding:16px 22px 20px;border-top:1px solid rgba(255,255,255,.07)}
.domain{min-width:0;overflow:hidden;color:var(--faint);font-size:.8rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:46px;padding:.7em 1.25em;border:0;border-radius:999px;font:800 .95rem/1 var(--body);text-decoration:none;cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.button-color{background:var(--c);color:#0b0e2a;box-shadow:0 12px 26px -14px var(--c),inset 0 -3px 0 rgba(0,0,0,.2)}
.button-color:hover{transform:translateY(-2px);filter:brightness(1.1)}
.button .icon{width:1em;height:1em}
/* kartu terakhir yang sendirian di barisnya dibuat lebar: gambar di kiri, isi di kanan */
.portal-grid>.portal-card:last-child:nth-child(odd){grid-column:1/-1;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);grid-template-areas:"preview heading" "preview body" "preview bottom";grid-template-rows:auto 1fr auto}
.portal-grid>.portal-card:last-child:nth-child(odd) .portal-preview{margin:10px 0 10px 10px;align-self:stretch}
.portal-grid>.portal-card:last-child:nth-child(odd) .screenshot-link{height:100%;min-height:280px}

/* ---------- Tab fokus belajar (Materi & latihan) ---------- */
.study-tabs{border-radius:24px;background:linear-gradient(160deg,rgba(28,33,88,.88),rgba(11,13,42,.94));border:1px solid rgba(255,255,255,.1);padding:clamp(16px,2.6vw,28px)}
.tab-list:not([hidden]){display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tab{min-height:44px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:var(--muted);font:800 .9rem var(--body);cursor:pointer}
.tab[aria-selected="true"]{background:var(--pick);border-color:var(--pick);color:#0b0e2a}
.tab-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px 40px;align-items:start}
.tab-panel[hidden]{display:none}
.tab-panel:focus-visible{outline-offset:6px;border-radius:12px}
.tab-panel .eyebrow{margin-bottom:10px}
.tab-panel h3{margin-bottom:8px;font-size:clamp(1.4rem,2.4vw,1.9rem)}
.tab-panel p{color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--gold);font-weight:800;text-decoration:none}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.text-link .icon{width:1em;height:1em}
.step-list{display:grid;gap:12px;margin:0;padding:0;list-style:none;counter-reset:langkah}
.step-list li{counter-increment:langkah;display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-weight:700}
.step-list li::before{content:counter(langkah);display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:50%;background:linear-gradient(180deg,#ffdd78,#ffad2c);color:#291600;font:800 1rem/1 var(--display);box-shadow:0 8px 18px -8px rgba(255,170,40,.9)}

/* ---------- Tabel perbandingan (Lab & eksplorasi) ---------- */
.comparison{overflow-x:auto;border-radius:22px;border:1px solid rgba(255,255,255,.1);background:linear-gradient(160deg,rgba(28,33,88,.88),rgba(11,13,42,.94));scrollbar-width:thin}
.comparison table{width:100%;min-width:760px;border-collapse:collapse;font-size:.92rem}
.comparison th,.comparison td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(255,255,255,.07)}
.comparison thead th{color:var(--gold);font:800 .74rem/1.2 var(--body);letter-spacing:.16em;text-transform:uppercase;background:rgba(255,255,255,.03)}
.comparison tbody th{color:#fff;font:800 1rem/1.3 var(--display);white-space:nowrap}
.comparison tbody th::before{content:"";display:inline-block;width:9px;height:9px;margin-right:10px;border-radius:50%;background:var(--pick);box-shadow:0 0 10px var(--pick)}
.comparison td{color:var(--muted)}
.comparison tbody tr{transition:background-color .2s}
.comparison tbody tr:hover{background:rgba(255,255,255,.04)}
.comparison tbody tr:last-child>*{border-bottom:0}

/* ---------- Tanya jawab ---------- */
.faq-section{padding-bottom:clamp(70px,9vw,110px)}
.faq-list{display:grid;gap:12px}
.faq-item{border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:border-color .3s,background-color .3s}
.faq-item[open]{border-color:color-mix(in srgb,var(--pick) 45%,transparent);background:rgba(255,255,255,.07)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:16px 20px;font:800 1.05rem/1.35 var(--display);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{flex:none;color:var(--pick);transition:transform .3s var(--ease)}
.faq-item[open] summary .icon{transform:rotate(90deg)}
.faq-answer{padding:0 20px 18px;color:var(--muted)}
.faq-answer p{margin:0}

/* ---------- Dialog galeri & pilihan ---------- */
.dialog{width:min(980px,calc(100% - 24px));max-height:min(92vh,900px);padding:0 0 14px;border:1px solid rgba(255,255,255,.14);border-radius:22px;background:#11143c;color:var(--ink);box-shadow:0 40px 100px -30px rgba(0,0,0,.9)}
.dialog::backdrop{background:rgba(4,5,20,.78);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.search-dialog.dialog{width:min(640px,calc(100% - 24px))}
.dialog-header p{margin:4px 0 0;color:var(--faint);font-size:.86rem}
.icon-button{display:inline-grid;place-items:center;width:44px;height:44px;flex:none;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;cursor:pointer}
.icon-button:hover{background:rgba(255,255,255,.13)}
.icon-button .icon{width:20px;height:20px}
.gallery-stage{position:relative;display:grid;place-items:center;padding:4px 14px}
.gallery-stage img{width:100%;max-height:60vh;object-fit:contain;border-radius:14px;background:#0b0e2a}
.gallery-prev,.gallery-next{position:absolute;top:50%;margin-top:-22px;background:rgba(8,10,30,.8)}
.gallery-prev{left:22px}
.gallery-next{right:22px}
.gallery-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 20px 0;color:var(--faint);font-size:.86rem}
.gallery-thumbs{display:flex;gap:8px;padding:10px 20px 0;overflow-x:auto;scrollbar-width:thin}
.gallery-thumbs button{flex:none;padding:0;border:2px solid transparent;border-radius:10px;background:none;cursor:pointer;overflow:hidden;opacity:.65}
.gallery-thumbs button[aria-pressed="true"]{border-color:var(--gold);opacity:1}
.gallery-thumbs img{display:block;width:93px;height:59px;object-fit:cover}
.chooser-options{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px}
.chooser-option{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:var(--muted);font:800 .9rem var(--body);cursor:pointer}
.chooser-option[aria-pressed="true"]{background:var(--c);color:#0b0e2a;border-color:var(--c)}
.back-top{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:55;border-color:rgba(255,201,74,.5);background:rgba(14,17,50,.92);color:var(--gold);box-shadow:0 14px 30px -12px rgba(0,0,0,.9)}

/* ---------- Layar sedang & HP ---------- */
@media (max-width:980px){
  .ph-grid{grid-template-columns:1fr}
  .ph-host{grid-row:1;grid-template-columns:96px minmax(0,1fr);justify-items:start;align-items:center;gap:12px;justify-self:stretch;width:100%;max-width:560px}
  .ph-art{grid-column:1;grid-row:1;width:96px}
  .ph-say{grid-column:2;grid-row:1;margin:0;min-height:0;font-size:.92rem}
  .ph-say::after{left:-11px;top:50%;bottom:auto;margin:-9px 0 0;border:inherit;border-right:0;border-top:0;transform:rotate(45deg)}
  .tab-panel{grid-template-columns:1fr}
}
@media (max-width:760px){
  .portal-grid{grid-template-columns:1fr;gap:16px}
  .portal-grid>.portal-card:last-child:nth-child(odd){grid-template-columns:1fr;grid-template-areas:"preview" "heading" "body" "bottom";grid-template-rows:auto auto 1fr auto}
  .portal-grid>.portal-card:last-child:nth-child(odd) .portal-preview{margin:10px 10px 0}
  .portal-grid>.portal-card:last-child:nth-child(odd) .screenshot-link{height:auto;min-height:0}
  .portal-heading{padding:16px 16px 4px}
  .portal-body{padding:8px 16px 0}
  .portal-bottom{padding:14px 16px 16px}
  .portal-bottom .button{flex:1 1 auto}
  .section-heading{margin-bottom:20px}
  .filter-list{flex-wrap:nowrap;overflow-x:auto;margin:0 calc(var(--gutter) * -1);padding:2px var(--gutter);scrollbar-width:none}
  .filter-button{flex:none}
}
@media (max-width:560px){
  .ph{min-height:0;padding-bottom:140px}
  .ph-dock{width:min(76vw,300px);right:0}
  .ph h1{font-size:clamp(2.4rem,12vw,3.2rem)}
  .ph-cta .btn{flex:1 1 auto}
  .ph-host{grid-template-columns:76px minmax(0,1fr)}
  .ph-art{width:76px}
  .ph-stat b{font-size:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  .ph-motif{animation:none}
  .ph-cv{display:none}
}
html.hemat .ph-motif{animation:none}
html.hemat .ph-cv{display:none}