:root{
  --navy:#16226b; --blue:#1f4fb5; --blue-2:#2f6fd6; --sky:#d6e7fb; --sky-2:#eef5fd;
  --ink:#1b2545; --muted:#5a6788; --line:#d5e1f2; --white:#fff;
  --yellow:#ffd84a; --green:#22a35a; --green-l:#e5f6ec; --orange:#e07b1a; --orange-l:#fdf0e2;
  --r:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Plus Jakarta Sans",system-ui,sans-serif;color:var(--ink);background:linear-gradient(180deg,var(--sky-2),#f8fbff 60%);min-height:100vh;-webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit}
.app{max-width:1080px;margin:0 auto;padding:0 18px 40px}

/* top bar */
.top{position:sticky;top:0;z-index:5;background:rgba(238,245,253,.92);backdrop-filter:saturate(1.2);border-bottom:1px solid var(--line)}
.top-in{max-width:1080px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:15px;line-height:1.15}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:11.5px}
.back{margin-left:auto;border:0;background:var(--white);color:var(--blue);font-weight:700;padding:9px 14px;border-radius:999px;border:1px solid var(--line);cursor:pointer;min-height:40px}
.back[hidden]{display:none}
.peserta{font-size:12px;color:var(--muted);font-weight:600}

/* type */
h1{font-size:clamp(26px,5vw,38px);line-height:1.12;color:var(--navy);margin:0 0 10px;letter-spacing:-.01em;font-weight:800}
h2{font-size:clamp(20px,3.4vw,26px);color:var(--navy);margin:0 0 6px;font-weight:800;letter-spacing:-.01em}
h3{font-size:16px;color:var(--navy);margin:0 0 8px;font-weight:700}
p{line-height:1.6;margin:0 0 12px}
.muted{color:var(--muted)}
.pill{display:inline-block;background:var(--yellow);color:var(--navy);font-weight:800;font-size:12.5px;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.tag{display:inline-block;background:var(--sky);color:var(--blue);font-weight:700;font-size:12px;padding:4px 10px;border-radius:999px}

/* blocks */
.screen{display:none;padding-top:22px;animation:in .25s ease}
.screen.on{display:block}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.screen{animation:none}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:0 2px 0 rgba(31,79,181,.04)}
.head-band{background:var(--blue);color:#fff;border-radius:var(--r) var(--r) 0 0;padding:12px 18px;font-weight:800;display:flex;align-items:center;gap:10px}
.head-band + .card{border-radius:0 0 var(--r) var(--r);border-top:0}
.num{width:30px;height:30px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:15px;flex:none}
.stack>*+*{margin-top:14px}
.grid2{display:grid;gap:18px}
@media (min-width:860px){.grid2{grid-template-columns:1.05fr .95fr;align-items:start}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:14px 20px;font-weight:800;cursor:pointer;min-height:50px;font-size:15.5px;transition:transform .08s,background .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--navy)}
.btn-primary:disabled{background:#a9bde3;cursor:not-allowed}
.btn-ghost{background:var(--white);color:var(--blue);border:1.5px solid var(--blue)}
.btn-yellow{background:var(--yellow);color:var(--navy)}
.btn-block{width:100%}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row .btn{flex:1}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}

/* form */
label.f{display:block;font-weight:700;color:var(--navy);margin-bottom:6px;font-size:14px}
input[type=text],textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;background:#fbfdff;color:var(--ink);font-size:16px}
input[type=text]:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--sky)}
textarea{min-height:92px;resize:vertical;line-height:1.5}
.check{display:flex;gap:12px;align-items:flex-start;padding:12px 2px;cursor:pointer;line-height:1.5}
.check input{width:22px;height:22px;accent-color:var(--green);margin:1px 0 0;flex:none}
.consent{background:var(--sky-2);border-radius:12px;padding:14px;font-size:14px;color:var(--muted);line-height:1.55}

/* lists */
ul.ok{list-style:none;padding:0;margin:0}
ul.ok li{position:relative;padding:7px 0 7px 32px;line-height:1.5}
ul.ok li::before{content:"";position:absolute;left:0;top:8px;width:21px;height:21px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/13px no-repeat}
.err{display:grid;gap:10px}
.err-item{display:grid;grid-template-columns:1fr;gap:4px;padding:12px 14px;border-radius:12px;background:var(--orange-l)}
.err-item b{color:#9a4c08}
.err-item span{color:var(--ink);font-size:14.5px;line-height:1.5}

/* hero (home) */
.home{display:grid;gap:20px}
@media (min-width:860px){.home{grid-template-columns:1.1fr .9fr;align-items:center;min-height:70vh}}
.illus{border-radius:22px;background:var(--blue);padding:22px;color:#fff;position:relative;overflow:hidden}
.illus h3{color:#fff}
.flow{display:grid;gap:8px;margin-top:8px}
.flow div{background:rgba(255,255,255,.12);border-radius:12px;padding:10px 12px;font-weight:600;font-size:14px;display:flex;gap:10px;align-items:center}
.flow i{font-style:normal;width:24px;height:24px;border-radius:50%;background:var(--yellow);color:var(--navy);display:grid;place-items:center;font-weight:800;font-size:12.5px;flex:none}

/* procedure menu */
.steps{display:grid;gap:12px}
@media (min-width:640px){.steps{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.steps{grid-template-columns:1fr 1fr 1fr}}
.step{display:flex;gap:14px;align-items:center;text-align:left;width:100%;background:var(--white);border:1.5px solid var(--line);border-radius:var(--r);padding:16px;cursor:pointer;min-height:84px;color:var(--ink)}
.step:hover{border-color:var(--blue-2)}
.step .n{width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;flex:none}
.step b{display:block;color:var(--navy);font-size:15.5px;line-height:1.3}
.step small{color:var(--muted);font-weight:600}
.step.done .n{background:var(--green)}
.step.done small{color:var(--green)}
.progress{height:8px;background:var(--sky);border-radius:99px;overflow:hidden;margin:10px 0 18px}
.progress i{display:block;height:100%;background:var(--green);width:0;transition:width .3s}

/* practice */
.opt{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;margin-top:10px;cursor:pointer;line-height:1.45;color:var(--ink);min-height:50px}
.opt:hover{border-color:var(--blue-2)}
.opt.right{border-color:var(--green);background:var(--green-l)}
.opt.wrong{border-color:var(--orange);background:var(--orange-l)}
.fb{margin-top:12px;border-radius:12px;padding:12px 14px;font-size:14.5px;line-height:1.5;display:none}
.fb.show{display:block}
.fb.good{background:var(--green-l);color:#14643a}
.fb.bad{background:var(--orange-l);color:#8a4609}
.dots{display:flex;gap:6px;justify-content:center;margin:16px 0 4px}
.dots i{width:9px;height:9px;border-radius:50%;background:var(--sky)}
.dots i.on{background:var(--blue);width:22px;border-radius:9px}

/* AR preview */
.ar{border-radius:22px;overflow:hidden;background:#0d1530;color:#fff}
.stage{position:relative;height:310px}
.ar .cam{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 60%,#33405f 0,#141c38 70%)}
.ar .hint{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;gap:8px;font-size:12.5px;font-weight:700}
.ar .hint span{background:rgba(0,0,0,.45);padding:6px 10px;border-radius:999px}
.ar .live{color:var(--yellow)}
.pad{position:absolute;left:50%;top:56%;transform:translate(-50%,-50%) perspective(700px) rotateX(38deg);width:min(78%,360px);border-radius:14px;overflow:hidden;box-shadow:0 30px 50px rgba(0,0,0,.5);border:2px dashed rgba(255,216,74,.85)}
.layer{padding:9px 12px;font-size:12.5px;font-weight:700;display:flex;justify-content:space-between}
.l1{background:#f3c7a6;color:#6b3a1c;padding:6px 12px}
.l2{background:#e9a487;color:#5c2a14}
.l3{background:#ffe08a;color:#6b5100;padding:16px 12px}
.l4{background:#c9524f;color:#fff}
.needle{position:absolute;left:50%;top:0;width:4px;height:78px;background:linear-gradient(#cfd8e6,#8a97ad);transform:translateX(-50%);border-radius:2px;opacity:0;transition:opacity .3s}
.pad.inject .needle{opacity:1}
.ar .ctrl{padding:14px 16px 16px;background:#0a1128;border-top:1px solid rgba(255,255,255,.08)}
.ar .ctrl p{font-size:13.5px;margin:0 0 10px;color:#dfe8fb}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:0;border-radius:999px;padding:11px 16px;font-weight:800;background:#fff;color:var(--navy);cursor:pointer;min-height:44px}
.chip.sel{background:var(--yellow)}
.ar-fb{margin-top:10px;font-size:13.5px;padding:10px 12px;border-radius:12px;display:none;line-height:1.45}
.ar-fb.show{display:block}
.ar-fb.good{background:rgba(34,163,90,.25);color:#c9f5da}
.ar-fb.bad{background:rgba(224,123,26,.28);color:#ffe2c2}
.desk-note{display:none}
@media (min-width:860px){.desk-note{display:flex;gap:14px;align-items:center}}
.qr{width:84px;height:84px;flex:none;border-radius:10px;background:
 conic-gradient(var(--navy) 0 25%,#fff 0 50%,var(--navy) 0 75%,#fff 0) 0 0/14px 14px;border:6px solid #fff;outline:1px solid var(--line)}
.proto-note{font-size:12px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:10px;padding:8px 12px;margin-top:12px}

/* checklist */
.cl{counter-reset:c}
.cl .check{border-bottom:1px solid var(--line);padding:14px 2px}
.cl .check:last-child{border-bottom:0}
.cl .check span::before{counter-increment:c;content:counter(c) ". ";font-weight:800;color:var(--blue)}
.cl .check input:checked + span{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--green)}
.footer-actions{margin-top:18px}
.thanks{text-align:center;padding:40px 20px}
.thanks .big{width:84px;height:84px;border-radius:50%;background:var(--green);margin:0 auto 16px;display:grid;place-items:center}

a{color:inherit}
a.btn{text-decoration:none}
.brand{text-decoration:none;margin-right:auto}
a.back{text-decoration:none;display:inline-flex;align-items:center;white-space:nowrap;margin-left:0;flex:none}
.peserta:empty{display:none}
.peserta{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 10px;white-space:nowrap}
@media (max-width:420px){.brand small{display:none}.peserta{display:none}}
.crumb{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px}
.crumb a{color:var(--blue);text-decoration:none}
.sub{counter-reset:s;display:grid;gap:12px}
.sub-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.sub-item h4{margin:0 0 6px;color:var(--navy);font-size:15px;display:flex;gap:10px;align-items:center}
.sub-item h4::before{counter-increment:s;content:counter(s);width:26px;height:26px;border-radius:50%;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.sub-item ul{margin:0;padding-left:20px;line-height:1.55}
.sub-item li{margin:3px 0}
.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (min-width:640px){.tools{grid-template-columns:repeat(3,1fr)}}
.tool{background:var(--sky-2);border-radius:12px;padding:10px 12px;font-size:14px;font-weight:600;color:var(--navy)}
.warn{background:#fff8dc;border:1px solid #f3dc8a;border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.5;color:#6b5100}
.draft{margin-top:26px;text-align:center;font-size:12px;color:var(--muted)}
.rot{display:grid;grid-template-columns:repeat(2,64px);gap:6px;justify-content:start;margin:6px 0 4px}
.rot span{height:46px;border-radius:10px;background:#c9b8f2;color:var(--navy);display:grid;place-items:center;font-weight:800}
.screen{display:block}
@media (min-width:860px){
  .narrow{max-width:720px;margin:0 auto}
  .footer-actions:not(.row){display:flex;justify-content:flex-end}
  .footer-actions .btn-block{width:auto;min-width:260px}
  .footer-actions.row{justify-content:flex-end}
  .footer-actions.row .btn{flex:0 0 auto;min-width:220px}
  .card .btn-block{width:auto;min-width:260px}
  .thanks .btn{min-width:260px}
}