/* ---------- SELF-HOSTED FONTS ---------- */
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:300;font-display:swap;src:url('fonts/pjs-300.woff2') format('woff2');}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/pjs-400.woff2') format('woff2');}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/pjs-600.woff2') format('woff2');}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:800;font-display:swap;src:url('fonts/pjs-800.woff2') format('woff2');}

@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/serif-400.woff2') format('woff2');}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url('fonts/serif-400-i.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/jb-400.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/jb-600.woff2') format('woff2');}
/* ============================================================
   NASKAH REVISI v3 — STRIPE-STYLE LUXE WHITE
   Putih bersih + gradient mesh pastel + tipografi besar tipis
   ============================================================ */
/* (Google Fonts @import dihapus — font sudah self-hosted di atas; @import setelah @font-face juga diabaikan browser, dan Inter tidak ada file lokalnya) */

:root{
  --white:#FFFFFF;
  --canvas:#FCFCFD;
  --mist:#F4F5FA;
  --line:rgba(20,20,40,.08);
  --line-strong:rgba(20,20,40,.14);
  --ink:#16162B;
  --ink-soft:#52566E;
  --ink-dim:#8A8DA5;
  --indigo:#16162B;
  --indigo-soft:#F0F1F5;
  --violet:#16162B;
  --pink:#EA2261;
  --pink-soft:#FDEAF1;
  --teal:#0E9F8A;
  --teal-soft:#E4F6F2;
  --amber:#E8930C;
  --shadow:0 30px 70px -30px rgba(83,58,253,.18);
  --shadow-sm:0 12px 34px -16px rgba(20,20,40,.16);
  --sans:'Plus Jakarta Sans',system-ui,sans-serif;
  --body:'Plus Jakarta Sans',system-ui,sans-serif; /* Inter tidak self-hosted — pakai PJS yang sudah ada lokal */
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --radius:20px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--body);
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
::selection{background:rgba(122,90,248,.2);}
::-webkit-scrollbar{width:11px;}
::-webkit-scrollbar-track{background:var(--white);}
::-webkit-scrollbar-thumb{background:#DDDDEB;border-radius:99px;border:3px solid var(--white);}
::-webkit-scrollbar-thumb:hover{background:#C4C4DA;}
a{color:inherit;text-decoration:none;}

/* ============ STRIPE GRADIENT MESH (hero top third) ============ */
.mesh{position:absolute;top:0;left:0;right:0;height:min(780px,95vh);z-index:-1;overflow:hidden;
  background:var(--canvas);}
.mesh::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;
  background:
    radial-gradient(50% 55% at 20% 15%,rgba(255,251,242,.95),transparent 72%),
    radial-gradient(40% 50% at 45% 8%,rgba(83,58,253,.07),transparent 72%),
    radial-gradient(45% 55% at 72% 18%,rgba(234,34,97,.05),transparent 72%),
    radial-gradient(42% 52% at 92% 10%,rgba(122,90,248,.09),transparent 72%);
  filter:blur(36px) saturate(1.05);animation:meshDrift 22s ease-in-out infinite alternate;}
@keyframes meshDrift{from{transform:translateX(-1.5%) scale(1);}to{transform:translateX(1.5%) scale(1.04);}}
.mesh::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,var(--white) 96%);}
.mesh .grid-lines{position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,20,40,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(20,20,40,.035) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(75% 70% at 50% 25%,#000,transparent);}

.progress-bar{position:fixed;top:0;left:0;height:3px;z-index:10000;width:0;
  background:var(--ink);border-radius:0 99px 99px 0;}

/* ---------- nav ---------- */
.nav{position:fixed;top:16px;left:16px;right:16px;z-index:9000;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.78);backdrop-filter:blur(22px) saturate(1.6);
  border:1px solid rgba(255,255,255,.75);border-radius:20px;
  box-shadow:0 14px 44px -18px rgba(22,22,43,.22),0 2px 8px rgba(20,20,40,.05);
  transition:all .3s;}
.nav.scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shadow-sm);}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px;}
.brand svg{width:27px;height:27px;}
.brand b{font-family:var(--sans);font-weight:800;font-size:14.5px;letter-spacing:-.02em;}
.brand small{font-family:var(--mono);font-size:8.5px;color:var(--ink-dim);letter-spacing:.16em;text-transform:uppercase;display:block;margin-top:1px;}
/* tombol titik-3 */
.dots-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line-strong);
  background:var(--white);cursor:pointer;display:grid;place-items:center;color:var(--ink);
  transition:all .25s;flex:none;box-shadow:var(--shadow-sm);}
.dots-btn:hover{transform:scale(1.05);border-color:var(--ink);}
.dots-btn svg{width:20px;height:20px;}

/* menu overlay */
.menu-overlay{position:fixed;inset:0;z-index:9600;background:rgba(22,22,43,.35);
  backdrop-filter:blur(6px);display:grid;place-items:start center;padding-top:clamp(70px,12vh,110px);
  opacity:0;pointer-events:none;transition:opacity .35s;}
.menu-overlay.open{opacity:1;pointer-events:auto;}
.menu-card{position:relative;width:min(420px,calc(100vw - 28px));max-height:calc(100vh - 130px);overflow-y:auto;background:var(--white);
  border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);
  transform:translateY(-14px) scale(.97);transition:transform .4s cubic-bezier(.22,.9,.24,1);}
.menu-overlay.open .menu-card{transform:none;}
.menu-card .x{position:absolute;top:16px;right:16px;}
.menu-title{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-dim);font-weight:600;margin:2px 0 14px 6px;}
.menu-link{display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:15px;
  font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);
  transition:background .22s,transform .22s;}
.menu-link:hover{background:var(--mist);transform:translateX(4px);}
.menu-link .mi{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:17px;flex:none;}
.menu-link .arr{margin-left:auto;color:var(--ink-dim);font-weight:400;transition:transform .22s;}
.menu-link:hover .arr{transform:translateX(3px);color:var(--ink);}
@media (max-width:920px){.navlinks{display:none;}}

.btn{font-family:var(--sans);font-size:13.5px;font-weight:700;letter-spacing:.01em;border:none;
  background:var(--ink);color:#fff;
  padding:11px 22px;border-radius:14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s,box-shadow .3s,filter .3s;
  box-shadow:0 10px 26px -10px rgba(22,22,43,.45),inset 0 1px 0 rgba(255,255,255,.15);}
.btn:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 16px 34px -10px rgba(22,22,43,.5);}
.btn.ghost{background:rgba(255,255,255,.8);color:var(--ink);border:1px solid var(--line-strong);box-shadow:var(--shadow-sm);}
.btn.ghost:hover{border-color:var(--indigo);color:var(--indigo);box-shadow:0 12px 30px -12px rgba(83,58,253,.35);}
.btn.big{padding:15px 30px;font-size:15px;border-radius:16px;}
.avatar{width:38px;height:38px;border-radius:13px;padding:0;
  background:linear-gradient(135deg,#16162B,#3A3D5C);color:#fff;border:none;
  font-family:var(--sans);font-weight:800;font-size:15px;cursor:pointer;
  display:grid;place-items:center;transition:transform .2s;box-shadow:0 8px 20px -6px rgba(83,58,253,.5);}
.avatar:hover{transform:scale(1.08);}

/* ---------- hero ---------- */
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(20px,4.5vw,56px);}
.hero{position:relative;padding:clamp(140px,19vh,210px) 0 0;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--indigo);font-weight:600;
  background:rgba(255,255,255,.75);border:1px solid rgba(83,58,253,.22);
  padding:9px 18px;border-radius:99px;margin-bottom:30px;backdrop-filter:blur(8px);box-shadow:var(--shadow-sm);}
.eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--indigo);
  box-shadow:0 0 0 0 rgba(83,58,253,.5);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(83,58,253,.45);}70%{box-shadow:0 0 0 10px transparent;}100%{box-shadow:0 0 0 0 transparent;}}

.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(30px,5vw,64px);align-items:center;}
h1.title{font-family:var(--sans);font-weight:300;font-size:clamp(2.7rem,6vw,4.8rem);
  line-height:1.04;letter-spacing:-.035em;margin:0 0 24px;color:var(--ink);}
h1.title .heavy{font-weight:800;}
h1 .grad{color:var(--ink);font-weight:800;}
.subtitle{font-size:clamp(1.05rem,1.7vw,1.25rem);color:var(--ink-soft);max-width:52ch;margin:0 0 38px;font-weight:400;line-height:1.65;}
.subtitle b{color:var(--ink);font-weight:700;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px;}
.stats{display:flex;gap:clamp(24px,4.5vw,52px);flex-wrap:wrap;}
.stat-num{font-family:var(--sans);font-size:1.9rem;font-weight:800;letter-spacing:-.03em;color:var(--ink);}
.stat-num small{font-size:.5em;color:var(--indigo);font-weight:700;}
.stat-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);margin-top:5px;}

/* hero dna card — glass */
.dna-card{border:1px solid rgba(255,255,255,.85);border-radius:26px;overflow:hidden;
  background:rgba(255,255,255,.62);backdrop-filter:blur(20px) saturate(1.4);
  box-shadow:0 34px 80px -32px rgba(83,58,253,.35),0 4px 14px rgba(20,20,40,.06);}
.dna-card .top{padding:18px 22px;border-bottom:1px solid rgba(20,20,40,.06);display:flex;justify-content:space-between;align-items:center;}
.dna-card .top b{font-family:var(--sans);font-size:13.5px;font-weight:700;}
.dna-card .top span{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--indigo);background:var(--indigo-soft);padding:5px 12px;border-radius:99px;font-weight:600;}
.dna-card svg{width:100%;height:auto;display:block;}
.dna-card .cap{padding:15px 22px;border-top:1px solid rgba(20,20,40,.06);font-family:var(--mono);
  font-size:10.5px;color:var(--ink-dim);letter-spacing:.05em;}
.dna-card .cap b{color:var(--indigo);font-weight:600;}

/* deadline strip */
.deadline-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:clamp(50px,8vh,80px);}
.deadline-row .cell{background:rgba(255,255,255,.8);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.9);border-radius:20px;padding:22px 24px;
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;}
.deadline-row .cell:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.deadline-row .k{font-family:var(--mono);font-size:9.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-dim);margin-bottom:8px;font-weight:500;}
.deadline-row .v{font-family:var(--sans);font-size:clamp(1.25rem,2.2vw,1.7rem);font-weight:800;letter-spacing:-.02em;}
.deadline-row .v small{font-size:.5em;color:var(--ink-dim);font-weight:600;}
.deadline-row .v.accent{color:var(--indigo);}

/* ---------- sections ---------- */
section{padding:clamp(72px,10vh,118px) 0;position:relative;}
.sec-head{margin-bottom:clamp(36px,6vh,56px);max-width:720px;}
.kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--indigo);display:inline-flex;align-items:center;gap:12px;margin-bottom:18px;font-weight:600;
  background:var(--indigo-soft);padding:7px 16px;border-radius:99px;}
h2.sec{font-family:var(--sans);font-weight:300;font-size:clamp(2rem,4.2vw,3.2rem);letter-spacing:-.03em;
  line-height:1.08;margin:0 0 16px;}
h2.sec .heavy,h2.sec em{font-style:normal;font-weight:800;}
h2.sec em{color:var(--ink);text-decoration:underline;text-decoration-thickness:3px;text-decoration-color:rgba(22,22,43,.25);text-underline-offset:8px;}
.sec-sub{color:var(--ink-soft);font-size:1.08rem;max-width:56ch;}

/* ---------- cards ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.fcard{border:1px solid var(--line);border-radius:22px;padding:30px 26px;background:var(--white);
  transition:all .35s cubic-bezier(.2,.8,.2,1);position:relative;box-shadow:var(--shadow-sm);overflow:hidden;}
.fcard::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--ink);opacity:0;transition:opacity .35s;}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(83,58,253,.25);}
.fcard:hover::after{opacity:1;}
.fcard .ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;}
.fcard .ico svg{width:22px;height:22px;}
.fcard .ico.in{background:var(--indigo-soft);color:var(--indigo);}
.fcard .ico.pk{background:var(--pink-soft);color:var(--pink);}
.fcard .ico.tl{background:var(--teal-soft);color:var(--teal);}
.fcard .ico.am{background:#FDF3E3;color:var(--amber);}
.fcard h3{font-family:var(--sans);font-size:1.12rem;font-weight:700;margin:0 0 10px;letter-spacing:-.01em;}
.fcard p{color:var(--ink-soft);font-size:.93rem;margin:0;line-height:1.65;}

/* ---------- codon lab ---------- */
.lab-band{background:linear-gradient(180deg,var(--mist),var(--white));border-radius:0;margin:0;}
.lab-stage{border:1px solid rgba(255,255,255,.9);border-radius:28px;background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);padding:clamp(30px,5vw,56px);box-shadow:var(--shadow);position:relative;overflow:hidden;}
.lab-stage::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 50% 0%,rgba(122,90,248,.08),transparent 70%);}
.codon{display:flex;justify-content:center;align-items:center;gap:clamp(18px,4vw,48px);flex-wrap:wrap;position:relative;}
.codon-block{text-align:center;}
.codon-tag{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-dim);margin-bottom:14px;font-weight:600;}
.bases{display:flex;gap:10px;justify-content:center;}
.base{width:clamp(58px,8vw,78px);height:clamp(70px,9vw,94px);display:grid;place-items:center;
  font-family:var(--mono);font-size:clamp(24px,3.5vw,33px);font-weight:600;
  background:var(--white);border:1.5px solid var(--line-strong);border-radius:18px;color:var(--ink);
  transition:all .5s cubic-bezier(.2,.8,.2,1);box-shadow:var(--shadow-sm);}
.base.mut{background:linear-gradient(145deg,#F43F75,var(--pink));color:#fff;border-color:transparent;
  transform:translateY(-7px) scale(1.06);box-shadow:0 18px 40px -12px rgba(234,34,97,.5);}
.codon-out{font-family:var(--sans);margin-top:18px;font-size:.98rem;color:var(--ink-soft);font-weight:600;}
.codon-out b{color:var(--ink);font-weight:800;}
.codon-out.bad b{color:var(--pink);}
.mid{display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--mono);
  font-size:10px;letter-spacing:.14em;color:var(--ink-dim);text-transform:uppercase;font-weight:600;}
.mid svg{width:54px;height:18px;color:var(--indigo);}
.lab-actions{display:flex;justify-content:center;gap:14px;margin-top:44px;flex-wrap:wrap;position:relative;}
.switch{display:inline-flex;align-items:center;gap:12px;cursor:pointer;user-select:none;
  font-family:var(--sans);font-size:13.5px;font-weight:700;color:var(--ink);
  border:1.5px solid var(--line-strong);padding:13px 22px;border-radius:15px;
  background:var(--white);transition:all .3s;box-shadow:var(--shadow-sm);}
.switch:hover{border-color:rgba(234,34,97,.5);background:var(--pink-soft);}
.switch .pill{width:38px;height:21px;border-radius:99px;background:#DCDCEA;position:relative;transition:background .35s;}
.switch .pill::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;
  background:#fff;transition:transform .35s cubic-bezier(.2,.8,.2,1);box-shadow:0 1px 5px rgba(20,20,40,.25);}
.switch.on .pill{background:linear-gradient(135deg,#F43F75,var(--pink));}
.switch.on .pill::after{transform:translateX(17px);}
.lab-note{max-width:680px;margin:36px auto 0;text-align:center;color:var(--ink-soft);font-size:.96rem;
  border:1px solid var(--line);border-radius:18px;padding:18px 26px;background:var(--white);position:relative;box-shadow:var(--shadow-sm);}
.lab-note b{color:var(--indigo);}

/* ---------- article ---------- */
.prose{max-width:720px;margin:0 auto;}
.prose h3{font-family:var(--sans);font-weight:700;font-size:1.42rem;margin:56px 0 18px;letter-spacing:-.02em;
  display:flex;align-items:center;gap:13px;}
.prose h3 .n{font-family:var(--mono);font-size:.6em;color:var(--indigo);font-weight:600;
  background:var(--indigo-soft);padding:5px 13px;border-radius:99px;flex:none;}
.prose p{color:var(--ink-soft);margin:0 0 21px;font-size:1.03rem;}
.prose p strong{color:var(--ink);font-weight:700;}
.prose .hl{background:linear-gradient(120deg,rgba(122,90,248,.14),rgba(234,34,97,.06));
  padding:0 6px;border-radius:6px;font-weight:600;color:var(--ink);}
.pull{margin:48px 0;padding:30px 34px;border-radius:22px;position:relative;
  border:1px solid rgba(122,90,248,.25);color:var(--ink);
  background:linear-gradient(135deg,var(--indigo-soft),var(--pink-soft));
  font-family:var(--sans);font-size:clamp(1.18rem,2.3vw,1.42rem);font-weight:600;line-height:1.45;letter-spacing:-.015em;
  box-shadow:var(--shadow-sm);}
.pull::before{content:"❝";position:absolute;top:-18px;left:28px;font-size:38px;color:var(--indigo);
  background:var(--white);padding:0 10px;border-radius:10px;}

/* tables */
.tbl-wrap{margin:40px 0;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:var(--white);box-shadow:var(--shadow-sm);}
.tbl-scroll{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:540px;}
th{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;text-align:left;
  padding:15px 20px;background:var(--mist);color:var(--ink-soft);font-weight:600;border-bottom:1px solid var(--line-strong);}
td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--ink-soft);line-height:1.55;}
td:first-child{font-family:var(--mono);font-size:.82rem;color:var(--indigo);white-space:nowrap;font-weight:600;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .25s;}
tbody tr:hover{background:var(--indigo-soft);}
.tbl-cap{padding:16px 20px 0;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);font-weight:600;}
.tbl-src{padding:2px 20px 16px;font-family:var(--mono);font-size:9.5px;color:var(--ink-dim);}

/* ---------- timeline ---------- */
.tl-wrap{border:1px solid var(--line);border-radius:28px;background:var(--white);padding:clamp(30px,4vw,52px);box-shadow:var(--shadow);}
.tl{position:relative;padding-left:42px;}
.tl::before{content:"";position:absolute;left:12px;top:6px;bottom:6px;width:2px;
  background:var(--ink);border-radius:99px;opacity:.2;}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-36px;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--white);border:2.5px solid #DCDCEA;transition:all .4s;z-index:1;box-shadow:var(--shadow-sm);}
.tl-item.hi::before{background:var(--indigo);border-color:var(--indigo);
  box-shadow:0 0 0 6px var(--indigo-soft),0 0 18px rgba(83,58,253,.35);}
.tl-item:hover::before{border-color:var(--indigo);transform:scale(1.18);}
.tl-year{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;color:var(--indigo);font-weight:600;margin-bottom:5px;}
.tl-txt{font-size:1.03rem;color:var(--ink);font-weight:600;max-width:58ch;line-height:1.55;}
.tl-src{font-family:var(--mono);font-size:9.5px;color:var(--ink-dim);margin-top:5px;letter-spacing:.04em;}

/* ---------- quiz ---------- */
.quiz-stage{border:1px solid rgba(255,255,255,.9);border-radius:28px;background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);overflow:hidden;}
.quiz-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding:22px 30px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.6);}
.quiz-head .qt{font-family:var(--sans);font-weight:800;font-size:1.08rem;}
.quiz-head .qm{font-family:var(--mono);font-size:10px;color:var(--ink-dim);letter-spacing:.1em;text-transform:uppercase;font-weight:500;}
.quiz-body{padding:clamp(24px,4vw,46px);}
.q-counter{font-family:var(--mono);font-size:11px;color:var(--indigo);letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:16px;font-weight:600;}
.q-text{font-family:var(--sans);font-size:clamp(1.18rem,2.3vw,1.46rem);font-weight:700;letter-spacing:-.018em;
  line-height:1.4;margin-bottom:28px;color:var(--ink);}
.q-opts{display:grid;gap:12px;}
.q-opt{display:flex;align-items:center;gap:15px;text-align:left;width:100%;cursor:pointer;
  border:1.5px solid var(--line-strong);background:var(--white);border-radius:16px;padding:16px 19px;
  font-family:var(--body);font-size:.99rem;font-weight:500;color:var(--ink-soft);
  transition:all .25s;box-shadow:var(--shadow-sm);}
.q-opt:hover:not(:disabled){border-color:var(--indigo);background:var(--indigo-soft);color:var(--ink);transform:translateX(5px);}
.q-opt .abc{font-family:var(--mono);font-size:11px;font-weight:600;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;background:var(--mist);color:var(--ink-dim);flex:none;transition:all .25s;}
.q-opt.correct{border-color:var(--teal);background:var(--teal-soft);color:var(--ink);font-weight:600;}
.q-opt.correct .abc{background:var(--teal);color:#fff;}
.q-opt.wrong{border-color:rgba(234,34,97,.5);background:var(--pink-soft);}
.q-opt.wrong .abc{background:var(--pink);color:#fff;}
.q-opt:disabled{cursor:default;}
.quiz-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap;}
.q-exp{font-size:.9rem;color:var(--ink-soft);border-left:3px solid var(--teal);padding:11px 17px;margin-top:24px;
  background:var(--teal-soft);border-radius:0 14px 14px 0;line-height:1.6;}
.q-prog{display:flex;gap:5px;flex-wrap:wrap;}
.q-prog span{width:20px;height:6px;border-radius:99px;background:#E2E2EF;transition:background .3s;}
.q-prog span.done{background:var(--teal);}
.q-prog span.now{background:var(--indigo);}
.quiz-score{text-align:center;padding:26px 0;}
.quiz-score .big{font-family:var(--sans);font-size:clamp(3.4rem,8vw,5.2rem);letter-spacing:-.04em;color:var(--ink);font-weight:800;}
.quiz-score .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-dim);margin:10px 0 26px;font-weight:600;}
.quiz-score .msg{font-family:var(--sans);font-size:1.18rem;font-weight:700;margin-bottom:28px;}

/* ---------- references ---------- */
.ref-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.ref{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:19px 23px;
  font-size:.85rem;line-height:1.65;color:var(--ink-soft);transition:all .3s;box-shadow:var(--shadow-sm);}
.ref:hover{border-color:rgba(83,58,253,.35);transform:translateY(-3px);box-shadow:var(--shadow);}
.ref i{color:var(--ink);}
.ref b{color:var(--indigo);font-weight:700;font-family:var(--mono);font-size:.78rem;}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:clamp(42px,7vh,66px) 0 42px;
  background:linear-gradient(180deg,var(--white),var(--mist));}
.colo{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;}
.colo .mark{font-family:var(--sans);font-weight:800;font-size:1.2rem;letter-spacing:-.02em;}
.colo .mark span{color:var(--ink-dim);font-weight:300;}
.colo .fine{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);}

/* ---------- dock ---------- */
.dock{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:10px;z-index:9200;}
.dock button{width:56px;height:56px;border-radius:18px;border:1px solid rgba(255,255,255,.9);
  background:rgba(255,255,255,.88);backdrop-filter:blur(16px);display:grid;place-items:center;cursor:pointer;
  color:var(--ink);transition:all .3s;position:relative;
  box-shadow:0 16px 40px -14px rgba(83,58,253,.3),0 2px 8px rgba(20,20,40,.06);}
.dock button:hover{border-color:var(--indigo);color:var(--indigo);transform:translateY(-3px);}
.dock button svg{width:22px;height:22px;}
.dock button .badge{position:absolute;top:-5px;right:-5px;background:linear-gradient(135deg,var(--pink),#C21B54);
  color:#fff;font-family:var(--mono);font-size:9px;font-weight:600;min-width:19px;height:19px;border-radius:99px;
  display:grid;place-items:center;padding:0 4px;box-shadow:0 3px 10px rgba(234,34,97,.45);}
[data-tip]{position:relative;}
[data-tip]:hover::after{content:attr(data-tip);position:absolute;right:68px;top:50%;transform:translateY(-50%);
  background:var(--ink);color:#fff;font-family:var(--sans);font-size:11px;font-weight:600;
  padding:8px 14px;border-radius:11px;white-space:nowrap;z-index:10;box-shadow:var(--shadow-sm);}

/* ---------- panels ---------- */
.scrim{position:fixed;inset:0;background:rgba(22,22,43,.4);backdrop-filter:blur(5px);z-index:9400;
  opacity:0;pointer-events:none;transition:opacity .4s;}
.scrim.show{opacity:1;pointer-events:auto;}
.panel{position:fixed;top:0;right:0;height:100dvh;width:min(470px,100vw);z-index:9500;
  background:var(--white);border-left:1px solid var(--line);transform:translateX(103%);
  transition:transform .5s cubic-bezier(.22,.9,.24,1);display:flex;flex-direction:column;
  box-shadow:-50px 0 100px -40px rgba(22,22,43,.35);}
.panel.open{transform:none;}
.panel-head{padding:24px 28px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;
  justify-content:space-between;gap:12px;flex:none;
  background:linear-gradient(135deg,var(--indigo-soft),var(--pink-soft));}
.panel-head .t{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim);font-weight:600;}
.panel-head .t b{display:block;font-family:var(--sans);font-size:1.22rem;letter-spacing:-.018em;text-transform:none;
  color:var(--ink);font-weight:800;margin-top:4px;}
.panel-head .desc{font-size:.84rem;color:var(--ink-soft);margin-top:7px;line-height:1.55;max-width:36ch;}
.x{background:rgba(255,255,255,.85);border:1px solid var(--line-strong);cursor:pointer;font-size:16px;line-height:1;
  color:var(--ink-soft);padding:8px 12px;border-radius:12px;transition:all .25s;flex:none;}
.x:hover{color:var(--ink);transform:rotate(90deg);box-shadow:var(--shadow-sm);}
.panel-body{flex:1;overflow-y:auto;padding:24px 28px;}
.panel-foot{padding:16px 28px;border-top:1px solid var(--line);flex:none;background:var(--mist);}

/* auth */
.auth-tabs{display:flex;background:var(--mist);border:1px solid var(--line);border-radius:15px;padding:4px;gap:4px;margin-bottom:20px;}
.auth-tabs button{flex:1;background:none;border:none;padding:11px;font-family:var(--sans);font-size:12.5px;
  font-weight:700;cursor:pointer;color:var(--ink-dim);border-radius:11px;transition:all .25s;}
.auth-tabs button.active{background:var(--white);color:var(--indigo);box-shadow:var(--shadow-sm);}
.field{margin-bottom:14px;}
.field label{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-dim);margin-bottom:7px;font-weight:600;}
.field input,.field select{width:100%;background:var(--white);border:1.5px solid var(--line-strong);color:var(--ink);
  padding:13px 16px;border-radius:14px;font-family:var(--body);font-size:.95rem;outline:none;
  transition:border-color .25s,box-shadow .25s;}
.field input:focus,.field select:focus{border-color:var(--indigo);box-shadow:0 0 0 4px rgba(83,58,253,.12);}
.err{background:var(--pink-soft);border:1px solid rgba(234,34,97,.3);color:var(--pink);
  font-size:.86rem;font-weight:500;padding:12px 15px;margin-bottom:14px;border-radius:14px;display:none;line-height:1.5;}
.err.show{display:block;}
.g-btn{display:flex;align-items:center;justify-content:center;gap:11px;width:100%;
  background:var(--white);padding:13px;border-radius:14px;cursor:pointer;font-family:var(--sans);
  font-size:13px;font-weight:700;color:var(--ink);transition:all .25s;border:1.5px solid var(--line-strong);}
.g-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.divider{display:flex;align-items:center;gap:12px;margin:20px 0;font-family:var(--mono);
  font-size:9px;letter-spacing:.16em;color:var(--ink-dim);text-transform:uppercase;font-weight:600;}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line-strong);}

/* notes */
.note-item{border:1px solid var(--line);border-radius:16px;padding:15px 17px;margin-bottom:10px;
  background:var(--white);position:relative;transition:all .25s;box-shadow:var(--shadow-sm);}
.note-item:hover{border-color:rgba(83,58,253,.3);}
.note-item .sec{font-family:var(--mono);font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--indigo);margin-bottom:6px;font-weight:600;}
.note-item .txt{font-size:.9rem;line-height:1.6;color:var(--ink-soft);padding-right:22px;}
.note-item .del{position:absolute;top:11px;right:11px;background:none;border:none;cursor:pointer;
  color:var(--ink-dim);font-size:13px;opacity:.5;transition:all .2s;padding:4px;}
.note-item .del:hover{color:var(--pink);opacity:1;}
textarea{width:100%;min-height:92px;background:var(--white);border:1.5px solid var(--line-strong);color:var(--ink);
  padding:13px 16px;border-radius:14px;font-family:var(--body);font-size:.92rem;resize:vertical;outline:none;
  transition:border-color .25s,box-shadow .25s;}
textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 4px rgba(83,58,253,.12);}

/* chat */
.chat{display:flex;flex-direction:column;gap:13px;padding-bottom:6px;}
.msg{max-width:90%;padding:13px 17px;font-size:.92rem;line-height:1.6;border-radius:18px;box-shadow:var(--shadow-sm);}
.msg.user{margin-left:auto;background:var(--ink);color:#fff;
  font-weight:500;border-bottom-right-radius:6px;}
.msg.bot{background:var(--mist);border:1px solid var(--line);color:var(--ink-soft);border-bottom-left-radius:6px;}
.msg .who{font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;text-transform:uppercase;opacity:.65;margin-bottom:5px;font-weight:600;}
.msg.user .who{color:rgba(255,255,255,.8);}
.chat-input{display:flex;gap:10px;padding:16px 28px;}
.chat-input input{flex:1;background:var(--white);border:1.5px solid var(--line-strong);color:var(--ink);
  padding:13px 17px;border-radius:15px;font-family:var(--body);font-size:.93rem;outline:none;transition:border-color .25s;}
.chat-input input:focus{border-color:var(--indigo);box-shadow:0 0 0 4px rgba(83,58,253,.12);}
.chat-input button{border:none;background:var(--ink);color:#fff;
  width:50px;border-radius:15px;display:grid;place-items:center;cursor:pointer;transition:filter .25s,transform .2s;
  box-shadow:0 8px 22px -8px rgba(83,58,253,.5);}
.chat-input button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 10px;}
.chip{font-family:var(--mono);font-size:10px;font-weight:500;border:1.5px solid var(--line-strong);background:var(--white);
  padding:7px 14px;border-radius:99px;cursor:pointer;color:var(--ink-soft);transition:all .25s;}
.chip:hover{border-color:var(--indigo);color:var(--indigo);background:var(--indigo-soft);}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1);}
.rv.in{opacity:1;transform:none;}

/* responsive */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;}
  .dna-card{max-width:440px;margin:0 auto;}
  .grid3{grid-template-columns:1fr;}
  .ref-grid{grid-template-columns:1fr;}
  .navlinks{display:none;}
  .deadline-row{grid-template-columns:1fr 1fr;}
  .nav{top:10px;}
}
@media (max-width:560px){
  .dock{right:12px;bottom:12px;}
  .panel{width:100vw;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .rv{opacity:1;transform:none;}
}

/* ---------- preloader ---------- */
#preloader{position:fixed;inset:0;z-index:11000;background:#fff;display:grid;place-items:center;
  transition:opacity .6s ease,visibility .6s;}
#preloader.done{opacity:0;visibility:hidden;}
.pre-inner{display:flex;flex-direction:column;align-items:center;gap:18px;}
.pre-inner svg{width:44px;height:66px;animation:preFloat 1.6s ease-in-out infinite;}
@keyframes preFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
.pre-bar{width:150px;height:3px;background:#EDEDF2;border-radius:99px;overflow:hidden;}
.pre-bar span{display:block;height:100%;width:40%;background:#16162B;border-radius:99px;
  animation:preLoad 1.1s ease-in-out infinite;}
@keyframes preLoad{0%{transform:translateX(-100%);}100%{transform:translateX(380%);}}
.pre-txt{font-family:var(--mono);font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-dim);}

/* ---------- dark mode ---------- */
html.dark{--white:#101318;--canvas:#0D1015;--mist:#171B22;--line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);--ink:#F2F4F8;--ink-soft:#A8AFBC;--ink-dim:#6B7280;
  --shadow:0 30px 70px -30px rgba(0,0,0,.8);--shadow-sm:0 12px 34px -16px rgba(0,0,0,.6);}
html.dark body{background:var(--canvas);}
html.dark .mesh{background:var(--canvas);}
html.dark .mesh::after{background:linear-gradient(180deg,transparent 55%,var(--canvas) 96%);}
html.dark .mesh::before{opacity:.5;}
html.dark .nav,html.dark .dna-card,html.dark .deadline-row .cell,html.dark .fcard,
html.dark .base,html.dark .switch,html.dark .lab-stage,html.dark .quiz-stage,html.dark .q-opt,
html.dark .tl-item::before,html.dark .ref,html.dark .tbl-wrap,html.dark .menu-card,
html.dark .panel,html.dark .field input,html.dark .field select,html.dark textarea,
html.dark .chat-input input,html.dark .g-btn,html.dark .note-item,html.dark .msg.bot,
html.dark .pull::before,html.dark .dots-btn,html.dark .dock button,html.dark .lab-note,
html.dark .tl-wrap,html.dark .quiz-head{background:var(--white);}
html.dark .g-btn{color:var(--ink);}
html.dark .footer,html.dark footer{background:var(--mist);}
html.dark .panel-head{background:linear-gradient(135deg,rgba(255,255,255,.04),rgba(255,255,255,.02));}
html.dark .err{background:rgba(234,34,97,.12);}
html.dark .pre-txt,html.dark #preloader{background:var(--canvas);}
html.dark img{filter:none;}

/* ---------- reading chip ---------- */
.read-chip{position:fixed;left:50%;bottom:26px;transform:translate(-50%,80px);z-index:9100;
  background:var(--ink);color:#fff;font-family:var(--sans);font-size:12px;font-weight:600;
  padding:10px 20px;border-radius:99px;box-shadow:var(--shadow);
  transition:transform .5s cubic-bezier(.22,.9,.24,1),opacity .5s;opacity:0;pointer-events:none;}
.read-chip.show{transform:translate(-50%,0);opacity:1;}

/* ---------- print (PDF) ---------- */
@media print{
  .nav,.dock,.scrim,.panel,.menu-overlay,.read-chip,.progress-bar,.mesh,.hero-actions,
  #preloader,.chat-input,.quiz-actions .btn{display:none!important;}
  body{background:#fff;color:#000;font-size:12pt;}
  section{padding:18pt 0;}
  .fcard,.ref,.tbl-wrap,.quiz-stage{box-shadow:none;border:1px solid #ddd;break-inside:avoid;}
  .pull{background:#f5f5f5!important;color:#000;}
  a{color:#000;}
}

/* ---------- 3D canvas ---------- */
#dna3d{width:100%;height:auto;display:block;cursor:grab;touch-action:none;}
#dna3d:active{cursor:grabbing;}
.btn svg.em,.menu-link .mi svg.em{width:18px;height:18px;}
.deadline-row .k svg{width:13px;height:13px;vertical-align:-2px;margin-right:4px;}

/* ---------- CRISPR 3D sim ---------- */
.c3d-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding:18px 26px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.6);}
.c3d-step{font-family:var(--sans);font-weight:700;font-size:.98rem;}
.c3d-tags{display:flex;gap:7px;flex-wrap:wrap;}
.c3d-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:6px 13px;border-radius:99px;border:1.5px solid var(--line-strong);color:var(--ink-dim);font-weight:600;
  transition:all .4s;}
.c3d-tag.on{background:var(--ink);color:#fff;border-color:var(--ink);}
#crispr3d{width:100%;height:auto;display:block;cursor:grab;touch-action:none;background:
  radial-gradient(700px 300px at 50% 20%,rgba(83,58,253,.05),transparent 70%);}
#crispr3d:active{cursor:grabbing;}
.c3d-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:18px 26px;border-top:1px solid var(--line);background:rgba(255,255,255,.6);}
.c3d-legend{display:flex;gap:16px;margin-left:auto;font-family:var(--mono);font-size:10px;
  color:var(--ink-dim);letter-spacing:.06em;flex-wrap:wrap;}
.c3d-legend .lg{display:inline-block;width:14px;height:4px;border-radius:99px;margin-right:6px;vertical-align:middle;}
.lg-dna{background:var(--ink);}
.lg-cas{background:var(--ink-soft);width:12px;height:12px;border-radius:50%;}
.lg-rna{background:var(--indigo,#533AFD);}
.c3d-note{padding:16px 26px;border-top:1px solid var(--line);background:var(--mist);
  font-size:.93rem;color:var(--ink-soft);line-height:1.6;}
.c3d-note b{color:var(--ink);}
/* legacy fallback accent var for light theme */
:root{--indigo:#533AFD;}

/* ---------- DNA Translator ---------- */
.tr-box{max-width:760px;margin:44px auto 0;border:1px solid var(--line);border-radius:22px;
  background:var(--white);box-shadow:var(--shadow-sm);overflow:hidden;}
.tr-head{padding:18px 26px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}
.tr-head b{font-family:var(--sans);font-weight:700;font-size:1rem;}
.tr-head span{font-family:var(--mono);font-size:9.5px;color:var(--ink-dim);letter-spacing:.06em;text-transform:uppercase;}
.tr-slots{display:flex;flex-wrap:wrap;gap:7px;padding:22px 26px 8px;}
.tr-slots .slot{width:38px;height:44px;border:1.5px solid var(--line-strong);border-radius:10px;
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:17px;color:var(--ink-dim);
  background:var(--mist);transition:all .25s;}
.tr-slots .slot.filled{background:var(--white);color:var(--ink);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.tr-slots .slot.partial{border-style:dashed;}
.tr-bases{display:flex;gap:9px;padding:14px 26px 18px;flex-wrap:wrap;}
.tb{width:52px;height:52px;border-radius:14px;border:1.5px solid var(--line-strong);background:var(--white);
  font-family:var(--mono);font-weight:700;font-size:18px;color:var(--ink);cursor:pointer;transition:all .2s;
  box-shadow:var(--shadow-sm);}
.tb:hover{transform:translateY(-3px);border-color:var(--ink);}
.tb:active{transform:scale(.94);}
.tb-del,.tb-clr{width:auto;padding:0 18px;font-size:12px;font-family:var(--sans);font-weight:700;}
.tb-clr{color:var(--pink,#D93838);border-color:rgba(217,56,56,.35);}
.tr-out{padding:20px 26px 24px;border-top:1px solid var(--line);background:var(--mist);
  font-size:.95rem;color:var(--ink-soft);line-height:1.7;min-height:74px;}
.aa-chain{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.aa{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line-strong);
  border-radius:11px;padding:7px 12px;text-align:center;}
.aa b{font-family:var(--mono);font-size:.82rem;color:var(--ink);}
.aa{font-size:.78rem;color:var(--ink-soft);font-weight:600;}
.aa-stop{border-color:rgba(217,56,56,.5);background:var(--pink-soft,#FDECEC);}
.aa-stop b{color:#D93838;}
.aa-arrow{color:var(--ink-dim);font-style:normal;font-weight:700;}
.tr-warn{margin-top:14px;background:var(--pink-soft,#FDECEC);border-left:3px solid #D93838;
  padding:9px 14px;border-radius:0 10px 10px 0;font-size:.86rem;color:var(--ink);}
.tr-info{margin-top:10px;background:var(--white);border-left:3px solid var(--ink);
  padding:9px 14px;border-radius:0 10px 10px 0;font-size:.86rem;color:var(--ink-soft);}

/* ---------- HERO FULL SCREEN ---------- */
.hero-full{position:relative;height:100svh;min-height:640px;overflow:hidden;background:var(--canvas);}
#dna3d{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none;}
#dna3d:active{cursor:grabbing;}
.hero-shade{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1000px 600px at 15% 20%,rgba(255,255,255,.92),transparent 60%),
             radial-gradient(900px 500px at 85% 80%,rgba(245,233,212,.55),transparent 65%),
             linear-gradient(180deg,rgba(252,252,253,.2),transparent 30%,transparent 75%,var(--white));}
.hero-shade::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(20,20,40,.05) 1px,transparent 1px);background-size:30px 30px;
  mask-image:radial-gradient(70% 70% at 60% 40%,#000,transparent);}
.hf-inner{position:absolute;left:clamp(24px,6vw,80px);top:50%;transform:translateY(-50%);
  max-width:560px;z-index:2;pointer-events:auto;}
.hf-inner .eyebrow{margin-bottom:24px;}
.hf-inner .title{font-size:clamp(2.2rem,4.6vw,3.9rem);margin-bottom:18px;}
.hf-inner .subtitle{margin-bottom:30px;font-size:1.05rem;}
.hf-inner .hero-actions{margin-bottom:0;}
.hf-inner .btn{pointer-events:auto;}

/* peta heliks board */
.hf-board{position:absolute;right:clamp(16px,3.5vw,52px);bottom:clamp(16px,4vh,52px);z-index:3;
  width:min(360px,calc(100vw - 32px));}
.hf-board-in{background:rgba(255,255,255,.88);backdrop-filter:blur(18px) saturate(1.4);
  border:1px solid rgba(255,255,255,.9);border-radius:22px;padding:22px 24px;
  box-shadow:0 24px 60px -24px rgba(22,22,43,.35);
  transition:opacity .4s,transform .4s cubic-bezier(.22,.9,.24,1);}
.hf-board.closed .hf-board-in{opacity:0;transform:translateY(14px);pointer-events:none;}
.hf-board-in>b{display:block;font-family:var(--sans);font-weight:800;font-size:.95rem;margin-bottom:14px;}
.hf-row{display:flex;gap:12px;align-items:flex-start;font-size:.85rem;color:var(--ink-soft);
  line-height:1.55;margin-bottom:11px;}
.hf-row u{text-decoration-thickness:1.5px;text-underline-offset:3px;color:var(--ink);}
.hf-d{flex:none;width:34px;height:14px;border-radius:99px;margin-top:3px;position:relative;}
.hn-ink{background:linear-gradient(90deg,var(--ink) 0 46%,transparent 46% 54%,var(--ink-soft) 54%);}
.hn-rung{background:repeating-linear-gradient(90deg,var(--ink) 0 3px,transparent 3px 7px);opacity:.6;}
.hn-dot{background:var(--ink);width:12px;height:12px;border-radius:50%;}
.hf-acts{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.78rem;color:var(--ink-dim);
  margin:14px 0 0;padding-top:13px;border-top:1px solid var(--line);}
.hf-k{font-family:var(--mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;
  background:var(--mist);border:1px solid var(--line-strong);padding:4px 9px;border-radius:8px;color:var(--ink);font-weight:600;}
.hf-fact{margin-top:13px;font-size:.8rem;line-height:1.6;color:var(--ink-soft);
  background:var(--mist);border-radius:12px;padding:11px 14px;}
.hf-toggle{position:absolute;top:-14px;right:18px;width:32px;height:32px;border-radius:11px;
  background:var(--ink);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow-sm);transition:transform .3s;z-index:2;}
.hf-toggle:hover{transform:scale(1.08);}
.hf-board.closed .hf-toggle svg{transform:rotate(180deg);}
.hf-scroll{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;
  display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-dim);animation:hfBob 2.2s ease-in-out infinite;}
@keyframes hfBob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,6px);}}

@media (max-width:920px){
  .hf-inner{max-width:calc(100vw - 48px);}
  .hf-board{position:relative;right:auto;bottom:auto;margin:0 auto;width:calc(100vw - 32px);}
  .hero-full{height:auto;min-height:100svh;padding-bottom:80px;}
  #dna3d{position:relative;height:54svh;}
  .hf-scroll{display:none;}
}

/* ---------- READ BAR ---------- */
#readBar{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:transparent;pointer-events:none;}
#readBar i{display:block;height:100%;width:0;background:var(--ink);transition:width .1s linear;}

/* ---------- MARQUEE ---------- */
.mq{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--white);padding:14px 0;white-space:nowrap;}
.mq-in{display:inline-flex;gap:28px;font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-dim);animation:mqSlide 36s linear infinite;will-change:transform;}
@keyframes mqSlide{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- TERM TOOLTIP ---------- */
.term{border-bottom:1.5px dotted var(--ink-dim);cursor:help;position:relative;}
.term-tip{position:absolute;z-index:200;max-width:320px;background:var(--ink);color:#fff;
  padding:12px 15px;border-radius:12px;font-size:.82rem;line-height:1.55;box-shadow:0 12px 32px rgba(12,14,30,.22);
  animation:tipIn .18s ease;}
.term-tip b{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;
  font-family:var(--mono);color:rgba(255,255,255,.65);margin-bottom:5px;}
@keyframes tipIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ---------- SILABUS ---------- */
.flink{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:2px;}
.flink:hover{color:var(--ink-dim);border-color:var(--ink-dim);}

/* ---------- KAMUS ---------- */
.km-wrap{max-width:860px;margin:0 auto;}
.km-search{position:relative;margin-bottom:22px;}
.km-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-dim);}
.km-search input{width:100%;padding:15px 18px 15px 44px;border:1.5px solid var(--line);border-radius:14px;
  font:inherit;font-size:.95rem;background:var(--white);color:var(--ink);outline:none;transition:border .2s;}
.km-search input:focus{border-color:var(--ink);}
.km-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;}
.km-item{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:14px 16px;transition:transform .15s,box-shadow .15s;}
.km-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(12,14,30,.07);}
.km-item b{display:block;font-size:.85rem;margin-bottom:5px;letter-spacing:.02em;}
.km-item span{font-size:.8rem;line-height:1.55;color:var(--ink-dim);}

/* ---------- PUNNETT ---------- */
.pn-wrap{max-width:820px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:28px;}
.pn-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-bottom:26px;flex-wrap:wrap;}
.pn-parent label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px;}
.pn-opts{display:flex;gap:6px;}
.pn-opts button{padding:9px 16px;border:1.5px solid var(--line);border-radius:10px;background:var(--white);
  font-family:var(--mono);font-size:.9rem;cursor:pointer;color:var(--ink);transition:all .15s;}
.pn-opts button.on{background:var(--ink);color:#fff;border-color:var(--ink);}
.pn-x{color:var(--ink-dim);}
.pn-board{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;}
.pn-table{border-collapse:collapse;margin:0 auto;}
.pn-h{padding:10px 16px;font-family:var(--mono);font-size:.95rem;color:var(--ink-dim);}
.pn-table td{width:76px;height:52px;text-align:center;font-family:var(--mono);font-size:1.05rem;border:1.5px solid var(--line);border-radius:2px;}
.pn-dom{background:rgba(22,22,43,.06);color:var(--ink);font-weight:600;}
.pn-rec{background:var(--white);color:var(--ink-soft);}
.pn-line{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:.82rem;}
.pn-line span{width:110px;color:var(--ink-soft);}
.pn-bar{flex:1;height:8px;background:var(--line);border-radius:99px;overflow:hidden;}
.pn-bar i{display:block;height:100%;background:var(--ink);border-radius:99px;transition:width .4s;}
.pn-line b{font-family:var(--mono);font-size:.75rem;white-space:nowrap;}
.pn-note{margin-top:22px;padding:14px 16px;background:var(--canvas);border-left:3px solid var(--ink);
  border-radius:0 12px 12px 0;font-size:.85rem;line-height:1.6;color:var(--ink-soft);}
.pn-note b{color:var(--ink);font-family:var(--mono);}
@media(max-width:640px){.pn-board{grid-template-columns:1fr;}}

/* ---------- HEREDITAS ---------- */
.hd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:22px;}
.hd-card{text-align:left;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:18px;cursor:pointer;
  transition:transform .15s,box-shadow .15s,border-color .15s;font:inherit;}
.hd-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(12,14,30,.08);border-color:var(--ink);}
.hd-card b{display:block;font-size:.92rem;margin-bottom:5px;}
.hd-card span{font-size:.72rem;font-family:var(--mono);letter-spacing:.06em;color:var(--ink-dim);}
.hd-detail{position:relative;background:var(--white);border:1px solid var(--line);border-left:3px solid var(--ink);
  border-radius:16px;padding:26px 28px;}
.hd-detail h3{font-size:1.15rem;margin-bottom:10px;}
.hd-detail p{font-size:.9rem;line-height:1.7;color:var(--ink-soft);}
.hd-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink);}
.hd-formula{margin-top:14px;padding:10px 14px;background:var(--canvas);border-radius:10px;
  font-family:var(--mono);font-size:.8rem;color:var(--ink);}

/* ---------- EVOLUSI TIMELINE ---------- */
.ev-wrap{position:relative;max-width:760px;margin:0 auto;padding:10px 0;}
.ev-line{position:absolute;left:11px;top:0;bottom:0;width:2px;background:var(--line);}
.ev-item{position:relative;padding:0 0 34px 44px;}
.ev-item:last-child{padding-bottom:0;}
.ev-dot{position:absolute;left:4px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--white);border:2.5px solid var(--ink);}
.ev-dot-now{background:var(--ink);box-shadow:0 0 0 6px rgba(22,22,43,.1);}
.ev-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:20px 22px;
  transition:transform .15s,box-shadow .15s;}
.ev-card:hover{transform:translateX(4px);box-shadow:0 10px 28px rgba(12,14,30,.08);}
.ev-t{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-dim);margin-bottom:7px;}
.ev-card h4{font-size:1.02rem;margin-bottom:7px;}
.ev-card p{font-size:.86rem;line-height:1.65;color:var(--ink-soft);}
.ev-card-now{border-left:3px solid var(--ink);}

/* ---------- FAKTA ---------- */
.fk-box{max-width:680px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:20px;
  padding:30px;text-align:center;}
.fk-text{font-size:1.05rem;line-height:1.7;margin-bottom:20px;transition:opacity .18s;}
@media(max-width:640px){.ev-item{padding-left:36px;}}

/* ---------- SUBMENU ---------- */
.menu-badge{font-family:var(--mono);font-size:.62rem;background:var(--ink);color:#fff;border-radius:99px;
  padding:2px 8px;margin-left:6px;vertical-align:middle;}
.menu-sub{display:flex;flex-direction:column;margin:8px 0 4px;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;background:var(--canvas);}
.submenu-link{display:flex;align-items:center;gap:11px;padding:10px 14px;font-size:.83rem;color:var(--ink-soft);
  text-decoration:none;transition:background .15s,color .15s;border-bottom:1px solid var(--line);}
.submenu-link:last-child{border-bottom:none;}
.submenu-link:hover{background:var(--white);color:var(--ink);}
.submenu-link i{flex:none;width:30px;height:22px;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-style:normal;font-size:.6rem;letter-spacing:.08em;background:var(--white);
  border:1px solid var(--line);border-radius:7px;color:var(--ink);}

.menu-card::-webkit-scrollbar{width:6px;}
.menu-card::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}

/* ---------- COMMAND PALETTE ---------- */
#cpOverlay{position:fixed;inset:0;z-index:9800;background:rgba(22,22,43,.4);backdrop-filter:blur(8px);
  display:grid;place-items:start center;padding-top:14vh;opacity:0;pointer-events:none;transition:opacity .2s;}
#cpOverlay.open{opacity:1;pointer-events:auto;}
.cp-box{width:min(560px,calc(100vw - 32px));background:var(--white);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 24px 64px rgba(12,14,30,.25);overflow:hidden;transform:translateY(-10px) scale(.98);transition:transform .2s;}
#cpOverlay.open .cp-box{transform:none;}
.cp-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-dim);}
.cp-head input{flex:1;border:none;outline:none;font:inherit;font-size:.95rem;color:var(--ink);background:transparent;}
.cp-head kbd{font-family:var(--mono);font-size:.62rem;border:1px solid var(--line);border-radius:6px;padding:3px 6px;color:var(--ink-dim);}
.cp-list{max-height:320px;overflow-y:auto;padding:8px;}
.cp-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:10px 12px;border:none;background:none;
  font:inherit;font-size:.88rem;color:var(--ink);border-radius:10px;cursor:pointer;}
.cp-item.on{background:var(--canvas);}
.cp-k{flex:none;font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--ink-dim);min-width:52px;text-align:center;}
.cp-arr{margin-left:auto;color:var(--ink-dim);}
.cp-empty{padding:24px;text-align:center;color:var(--ink-dim);font-size:.85rem;}
.cp-foot{display:flex;justify-content:space-between;padding:9px 16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;color:var(--ink-dim);text-transform:uppercase;}
.cp-hint{font-family:var(--mono);font-size:.6rem;border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--ink-dim);}

/* ---------- TOC ---------- */
.toc{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:80;display:none;flex-direction:column;gap:2px;
  background:var(--white);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow);}
.toc b{font-family:var(--mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);
  margin-bottom:7px;padding-left:2px;}
.toc a{font-size:.74rem;color:var(--ink-dim);text-decoration:none;padding:4px 10px;border-radius:8px;transition:all .15s;
  border-left:2px solid transparent;border-radius:0;}
.toc a:hover{color:var(--ink);}
.toc a.on{color:var(--ink);border-left-color:var(--ink);font-weight:600;}
@media(min-width:1280px){.toc{display:flex;}}

/* ---------- READ MIN BADGE ---------- */
.read-min{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;border:1px solid var(--line);
  border-radius:99px;padding:3px 10px;margin-left:10px;color:var(--ink-dim);}

/* ---------- FOOTER PREMIUM ---------- */
.ft-top{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;padding:52px 0 34px;}
.ft-brand .mark{margin-bottom:12px;}
.ft-brand .fine{max-width:340px;line-height:1.7;}
.ft-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.ft-col b{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-dim);margin-bottom:12px;}
.ft-col a{display:block;font-size:.82rem;color:var(--ink-soft);text-decoration:none;padding:4px 0;transition:color .15s;}
.ft-col a:hover{color:var(--ink);}
.ft-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:18px 0 26px;
  border-top:1px solid var(--line);}
@media(max-width:860px){.ft-top{grid-template-columns:1fr;gap:26px;}.ft-cols{grid-template-columns:1fr 1fr;}}