/* SWANS Learning course player */
@font-face{font-family:"Poppins";src:url(fonts/poppins-700.woff) format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"Poppins";src:url(fonts/poppins-500.woff) format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-400.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-600.woff) format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-700.woff) format("woff");font-weight:700;font-display:swap}

:root{
  --ink:#0f1d3a; --ink-2:#33405e; --muted:#66708a;
  --bg:#f4f1ea; --paper:#ffffff; --line:#e3ded3; --soft:#faf8f3;
  --navy:#13254d; --navy-2:#1d3570;
  --coral:#ff6a45; --coral-d:#e2502c; --coral-soft:#ffe9e2;
  --teal:#0f9d8a; --teal-soft:#dcf4ef;
  --amber:#e8a317; --amber-soft:#fdf2d6;
  --red:#d6453d; --red-soft:#fbe4e2;
  --violet:#6a5ae0; --violet-soft:#ebe8fd;
  --radius:16px; --shadow:0 1px 2px rgba(15,29,58,.06),0 8px 24px rgba(15,29,58,.08);
  --head:"Poppins",system-ui,sans-serif; --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--head);font-weight:700;line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(26px,3.4vw,38px)} h2{font-size:clamp(21px,2.4vw,26px)} h3{font-size:19px} h4{font-size:16px}
p{margin:0 0 .9em} ul,ol{margin:0 0 1em;padding-left:1.25em} li{margin:.25em 0}
em.q,.quote{font-style:italic}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- shell ---------- */
.app{display:flex;flex-direction:column;min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:10px 20px;background:var(--navy);color:#fff}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--coral);display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:15px;flex:none}
.brand-text{min-width:0}
.brand-text b{display:block;font-family:var(--head);font-weight:500;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:12.5px;opacity:.72;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .spacer{flex:1}
.iconbtn{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:10px;padding:7px 12px;cursor:pointer;font-size:14px;font-weight:600}
.iconbtn:hover{background:rgba(255,255,255,.1)}
.iconbtn svg{width:18px;height:18px}
.progressbar{height:4px;background:rgba(19,37,77,.12)}
.progressbar i{display:block;height:100%;background:var(--coral);width:0;transition:width .4s ease}

.stage-wrap{flex:1;display:flex;justify-content:center;padding:28px 20px 110px}
.stage{width:100%;max-width:1080px}
.slide{background:var(--paper);border-radius:22px;box-shadow:var(--shadow);padding:clamp(22px,4vw,44px);animation:rise .45s ease both;position:relative;overflow:hidden}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--coral-d);margin-bottom:10px}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--coral)}
.lead{font-size:18.5px;color:var(--ink-2)}
.body{color:var(--ink-2)}
.body strong,.lead strong{color:var(--ink)}

.footer{position:fixed;left:0;right:0;bottom:0;z-index:15;background:rgba(244,241,234,.92);backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.footer-in{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:12px 20px}
.footer .count{flex:1;text-align:center;font-size:13.5px;color:var(--muted)}
.footer .hint{display:block;font-size:12.5px;color:var(--coral-d);font-weight:600;min-height:1em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:700;font-size:15.5px;cursor:pointer;transition:transform .12s ease,background .2s,box-shadow .2s;text-decoration:none}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 4px 14px rgba(255,106,69,.35)}
.btn-primary:hover{background:var(--coral-d)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink-2)}
.btn[disabled],.btn.is-locked{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:10px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.mt{margin-top:22px} .mt-s{margin-top:12px}

/* ---------- menu drawer ---------- */
.drawer-bg{position:fixed;inset:0;background:rgba(15,29,58,.45);z-index:40;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(380px,92vw);background:var(--paper);z-index:41;transform:translateX(-102%);transition:transform .3s ease;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.drawer.open{transform:none} .drawer-bg.open{opacity:1;pointer-events:auto}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer header h3{margin:0;font-size:17px}
.drawer nav{overflow:auto;padding:10px 12px 30px}
.menu-sec{margin:10px 0 4px;padding:8px 10px;font-family:var(--head);font-weight:500;font-size:14.5px;color:var(--navy);display:flex;justify-content:space-between;gap:10px}
.menu-sec small{color:var(--muted);font-family:var(--body);font-weight:600}
.menu-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;background:transparent;border-radius:10px;padding:8px 10px;cursor:pointer;font-size:14.5px;color:var(--ink-2)}
.menu-item:hover:not([disabled]){background:var(--soft)}
.menu-item[aria-current=true]{background:var(--coral-soft);color:var(--ink);font-weight:600}
.menu-item[disabled]{opacity:.45;cursor:not-allowed}
.menu-item .dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center}
.menu-item.done .dot{background:var(--teal);border-color:var(--teal);color:#fff}
.menu-item .dot svg{width:12px;height:12px}
.menu-lock{font-size:11px;font-weight:700;color:var(--muted);margin-left:auto;white-space:nowrap}

/* ---------- layouts ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(20px,4vw,44px);align-items:center}
.split.top{align-items:start}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.art{position:relative;border-radius:20px;min-height:280px;overflow:hidden;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#2b4a91 100%);display:grid;place-items:center;isolation:isolate}
.art::before,.art::after{content:"";position:absolute;border-radius:50%;z-index:-1}
.art::before{width:260px;height:260px;border:40px solid rgba(255,106,69,.25);right:-70px;top:-80px}
.art::after{width:180px;height:180px;background:rgba(15,157,138,.35);left:-50px;bottom:-60px}
.art .art-icon{width:120px;height:120px;border-radius:32px;background:rgba(255,255,255,.12);display:grid;place-items:center;color:#fff;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.2)}
.art .art-icon svg{width:58px;height:58px;stroke-width:1.6}
.art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}
.art.tall{min-height:380px}
.art .art-tag{position:absolute;left:16px;bottom:16px;z-index:3;background:rgba(255,255,255,.95);color:var(--ink);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700}

/* title slide */
.slide--title{padding:0;background:var(--navy);color:#fff}
.title-grid{display:grid;grid-template-columns:1.1fr .9fr;min-height:520px}
@media(max-width:820px){.title-grid{grid-template-columns:1fr}.title-grid .art{min-height:220px;border-radius:0}}
.title-copy{padding:clamp(28px,5vw,56px);display:flex;flex-direction:column;justify-content:center}
.title-copy h1{font-size:clamp(30px,4.4vw,48px);color:#fff}
.title-copy .lead{color:rgba(255,255,255,.82)}
.title-copy .kicker{color:#ffb59f}
.title-meta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px}
.chip{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 12px;font-size:13.5px;font-weight:600;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.chip svg{width:15px;height:15px}
.slide--title .art{border-radius:0;background:linear-gradient(160deg,#ff8a6a 0%,var(--coral) 40%,#c9442a 100%)}
.slide--title .art::before{border-color:rgba(255,255,255,.18)}
.slide--title .art::after{background:rgba(19,37,77,.35)}
.title-foot{font-size:13px;opacity:.7;margin-top:22px}

/* objectives / lists */
.checklist{list-style:none;padding:0;margin:0 0 1em}
.checklist li{position:relative;padding-left:34px;margin:.6em 0;color:var(--ink-2)}
.checklist li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:7px;background:var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f9d8a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat}
.numlist{list-style:none;padding:0;counter-reset:n}
.numlist li{counter-increment:n;position:relative;padding-left:44px;margin:.8em 0}
.numlist li::before{content:counter(n);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;font-size:14px;display:grid;place-items:center}

.callout{border-radius:14px;padding:16px 18px;background:var(--soft);border-left:5px solid var(--coral);margin:16px 0;color:var(--ink-2)}
.callout b{color:var(--ink)}
.callout.teal{border-color:var(--teal);background:var(--teal-soft)}
.callout.navy{border-color:var(--navy);background:#e8edf8}
.callout.amber{border-color:var(--amber);background:var(--amber-soft)}
.bigquote{font-family:var(--head);font-weight:500;font-size:clamp(20px,2.4vw,26px);line-height:1.35;color:var(--navy);border-left:6px solid var(--coral);padding:4px 0 4px 20px;margin:18px 0}

.grid2,.grid3,.grid4{display:grid;gap:16px}
.grid2{grid-template-columns:repeat(2,1fr)} .grid3{grid-template-columns:repeat(3,1fr)} .grid4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card h4{margin-bottom:6px}
.card p:last-child{margin-bottom:0}
.card.navy{background:var(--navy);color:#fff;border:0}.card.navy h4{color:#fff}
.card.good{background:var(--teal-soft);border-color:#b5e6dc}
.card.bad{background:var(--red-soft);border-color:#f3c4c0}
.tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 10px;background:var(--coral-soft);color:var(--coral-d)}
.tag.teal{background:var(--teal-soft);color:var(--teal)} .tag.red{background:var(--red-soft);color:var(--red)} .tag.navy{background:#e8edf8;color:var(--navy)} .tag.amber{background:var(--amber-soft);color:#9a6a05}

/* flow diagram */
.flow{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin:18px 0}
.flow .step{flex:1 1 150px;background:var(--navy);color:#fff;border-radius:14px;padding:14px 16px;position:relative}
.flow .step b{display:block;font-family:var(--head);font-size:17px;margin-bottom:4px}
.flow .step span{font-size:14px;opacity:.85}
.flow .arrow{display:grid;place-items:center;color:var(--coral);flex:0 0 auto}
.flow .arrow svg{width:26px;height:26px}
@media(max-width:700px){.flow{flex-direction:column}.flow .arrow{transform:rotate(90deg)}}
.flow .step:nth-child(3){background:var(--navy-2)} .flow .step:nth-child(5){background:var(--coral)} .flow .step:nth-child(7){background:var(--teal)}

/* chat bubbles */
.chat{display:flex;flex-direction:column;gap:12px;margin:14px 0}
.bubble{max-width:min(560px,88%);padding:12px 16px;border-radius:18px;position:relative;animation:pop .35s ease both}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}
.bubble .who{display:block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:3px;opacity:.75}
.bubble.prospect{background:#eef1f7;color:var(--ink);border-bottom-left-radius:6px;align-self:flex-start}
.bubble.rep{background:var(--navy);color:#fff;border-bottom-right-radius:6px;align-self:flex-end}
.bubble.rep.weak{background:var(--red-soft);color:var(--ink)}
.bubble.rep.good{background:var(--teal);color:#fff}
.bubble.note{align-self:center;background:transparent;color:var(--muted);font-size:14px;font-style:italic;padding:2px 10px}

/* ---------- interactions ---------- */
.progress-note{font-size:13.5px;font-weight:700;color:var(--muted);margin:6px 0 12px;display:flex;align-items:center;gap:8px}
.progress-note svg{width:16px;height:16px;flex:none}
.progress-note .pill{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
.progress-note.complete{color:var(--teal)}

.reveal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:14px 0}
.reveal-btn{display:flex;flex-direction:column;align-items:flex-start;gap:8px;text-align:left;border:1.5px solid var(--line);background:var(--paper);border-radius:14px;padding:16px;cursor:pointer;transition:border-color .2s,transform .15s,box-shadow .2s;position:relative}
.reveal-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.reveal-btn .ic{width:42px;height:42px;border-radius:12px;background:var(--coral-soft);color:var(--coral-d);display:grid;place-items:center}
.reveal-btn .ic svg{width:22px;height:22px}
.reveal-btn b{font-family:var(--head);font-weight:500;font-size:16px;line-height:1.25}
.reveal-btn small{color:var(--muted);font-size:13.5px;line-height:1.35}
.reveal-btn.seen{border-color:#b5e6dc}
.reveal-btn.seen::after{content:"";position:absolute;top:12px;right:12px;width:20px;height:20px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}
.reveal-btn.active{border-color:var(--coral);box-shadow:0 0 0 3px var(--coral-soft)}
.reveal-panel{border-radius:16px;background:var(--soft);border:1px solid var(--line);padding:20px 22px;animation:rise .35s ease both}
.reveal-panel h3{display:flex;align-items:center;gap:10px}
.reveal-empty{color:var(--muted);font-style:italic;text-align:center;padding:26px;border:2px dashed var(--line);border-radius:16px}

.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:2px solid var(--line);margin:14px 0 0}
.tab{border:0;background:transparent;padding:10px 14px;font-weight:700;font-size:14.5px;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;display:inline-flex;align-items:center;gap:6px}
.tab[aria-selected=true]{color:var(--ink);border-color:var(--coral)}
.tab.seen::after{content:"✓";color:var(--teal);font-size:13px}
.tabpanel{padding:20px 2px 4px;animation:rise .3s ease both}

.flip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:14px 0}
.flip{perspective:1000px;border:0;background:none;padding:0;cursor:pointer;min-height:200px;text-align:left}
.flip-in{position:relative;width:100%;height:100%;min-height:200px;transition:transform .55s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}
.flip.flipped .flip-in{transform:rotateY(180deg)}
.flip-face{position:absolute;inset:0;border-radius:16px;padding:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center}
.flip-front{background:var(--navy);color:#fff}
.flip-front b{font-family:var(--head);font-size:20px;line-height:1.25}
.flip-front small{opacity:.7;font-size:13px;margin-top:10px;display:flex;align-items:center;gap:6px}
.flip-front .ic{color:var(--coral);margin-bottom:10px}.flip-front .ic svg{width:30px;height:30px}
.flip-back{background:var(--coral-soft);color:var(--ink);transform:rotateY(180deg);font-size:15px;line-height:1.5;border:1.5px solid #ffc9b8;overflow:auto}
.flip-back b{color:var(--coral-d)}

/* explainer (animated lesson) */
.explainer{border-radius:18px;background:var(--navy);color:#fff;overflow:hidden;margin-top:14px}
.explainer-screen{min-height:330px;padding:clamp(20px,4vw,36px);display:flex;flex-direction:column;justify-content:center;position:relative}
.explainer-screen .scene{animation:rise .5s ease both}
.explainer-screen h3{color:#fff;font-size:clamp(20px,2.6vw,28px)}
.explainer-screen p{color:rgba(255,255,255,.85);font-size:17px}
.explainer-screen .big{font-family:var(--head);font-size:clamp(26px,4vw,44px);line-height:1.15;color:#fff}
.explainer-screen .hl{color:#ffb59f}
.explainer-screen .bubble.prospect{background:#fff}
.explainer-screen .bubble.rep{background:var(--coral)}
.explainer-screen .callout{background:rgba(255,255,255,.08);color:#fff;border-color:var(--coral)}
.explainer-screen .callout b{color:#fff}
.explainer-screen .card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15);color:#fff}
.explainer-screen .card h4{color:#fff}
.explainer-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:rgba(0,0,0,.22)}
.explainer-bar .eb{width:38px;height:38px;border-radius:50%;border:0;background:var(--coral);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}
.explainer-bar .eb.alt{background:rgba(255,255,255,.14)}
.explainer-bar .eb svg{width:16px;height:16px}
.explainer-bar .eb[disabled]{opacity:.35;cursor:not-allowed}
.scrub{flex:1;display:flex;gap:5px}
.scrub i{flex:1;height:5px;border-radius:5px;background:rgba(255,255,255,.2);overflow:hidden;position:relative}
.scrub i.on{background:var(--coral)}
.scrub i.cur::after{content:"";position:absolute;inset:0;background:var(--coral);transform-origin:left;animation:fill var(--d,6s) linear forwards}
.scrub.paused i.cur::after{animation-play-state:paused}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.explainer-bar .lbl{font-size:13px;opacity:.75;min-width:52px;text-align:right}

/* questions */
.q{margin-top:10px}
.q-stem{font-family:var(--head);font-weight:500;font-size:clamp(18px,2vw,21px);line-height:1.35;color:var(--ink);margin-bottom:14px}
.q-scn{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:14px;color:var(--ink-2)}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:flex-start;gap:12px;text-align:left;width:100%;border:1.5px solid var(--line);background:var(--paper);border-radius:12px;padding:13px 16px;cursor:pointer;transition:border-color .15s,background .15s;font-size:16px;line-height:1.45}
.opt:hover:not([disabled]){border-color:var(--ink-2)}
.opt .mk{flex:none;width:26px;height:26px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--muted);margin-top:-1px}
.opt.multi .mk{border-radius:7px}
.opt[aria-pressed=true],.opt[aria-checked=true]{border-color:var(--navy);background:#eef2fb}
.opt[aria-pressed=true] .mk,.opt[aria-checked=true] .mk{background:var(--navy);border-color:var(--navy);color:#fff}
.opt.is-correct{border-color:var(--teal);background:var(--teal-soft)}
.opt.is-correct .mk{background:var(--teal);border-color:var(--teal);color:#fff}
.opt.is-wrong{border-color:var(--red);background:var(--red-soft)}
.opt.is-wrong .mk{background:var(--red);border-color:var(--red);color:#fff}
.opt[disabled]{cursor:default}
.opt .ofb{display:block;font-size:14px;color:var(--ink-2);margin-top:6px}
.fb{border-radius:14px;padding:14px 18px;margin-top:14px;display:flex;gap:12px;align-items:flex-start;animation:rise .3s ease both}
.fb .fi{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#fff}
.fb .fi svg{width:16px;height:16px}
.fb.ok{background:var(--teal-soft)} .fb.ok .fi{background:var(--teal)}
.fb.no{background:var(--red-soft)} .fb.no .fi{background:var(--red)}
.fb.info{background:#e8edf8} .fb.info .fi{background:var(--navy)}
.fb.part{background:var(--amber-soft)} .fb.part .fi{background:var(--amber)}
.fb b{display:block;margin-bottom:2px}
.fb p{margin:0;color:var(--ink-2)}

/* classify */
.cls-list{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.cls-item{border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--paper)}
.cls-item .txt{font-weight:600;margin-bottom:10px}
.cls-item .choices{display:flex;flex-wrap:wrap;gap:8px}
.cls-choice{border:1.5px solid var(--line);background:var(--soft);border-radius:999px;padding:6px 13px;font-size:14px;font-weight:600;cursor:pointer}
.cls-choice[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.cls-item.is-correct{border-color:var(--teal);background:#f3fbf9}
.cls-item.is-wrong{border-color:var(--red);background:#fff7f6}
.cls-item .why{font-size:14.5px;margin-top:10px;color:var(--ink-2)}
.cls-item .why b{color:var(--ink)}

/* match */
.match-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center;border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;margin:10px 0;background:var(--paper)}
@media(max-width:640px){.match-row{grid-template-columns:1fr}}
.match-row .l{font-weight:600}
.match-row select{width:100%;font:inherit;font-size:15px;padding:10px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--soft);color:var(--ink)}
.match-row.is-correct{border-color:var(--teal);background:#f3fbf9}
.match-row.is-wrong{border-color:var(--red);background:#fff7f6}
.match-row .why{grid-column:1/-1;font-size:14px;color:var(--ink-2)}

/* builder */
.bld-step{border:1.5px solid var(--line);border-radius:16px;padding:16px;margin:12px 0;background:var(--paper)}
.bld-step h4{display:flex;align-items:center;gap:10px}
.bld-step h4 .n{width:28px;height:28px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:14px}
.bld-step.is-correct{border-color:var(--teal)} .bld-step.is-wrong{border-color:var(--red)}
.assembled{background:var(--soft);border-radius:16px;padding:16px;border:1px dashed var(--ink-2);margin-top:14px}

/* write */
.write-field{margin:14px 0}
.write-field label{display:block;font-weight:700;margin-bottom:6px}
.write-field label span{font-weight:400;color:var(--muted);font-size:14px}
textarea,input[type=text],input[type=number]{width:100%;font:inherit;font-size:16px;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--soft);color:var(--ink);resize:vertical}
textarea:focus,input:focus{border-color:var(--navy);outline:none;background:#fff}
.model{border-radius:16px;background:var(--teal-soft);padding:18px 20px;margin-top:16px;animation:rise .35s ease both}
.model h4{color:var(--teal)}

/* branching */
.branch{border-radius:18px;border:1.5px solid var(--line);overflow:hidden;margin-top:14px}
.branch-head{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--navy);color:#fff}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--coral);display:grid;place-items:center;font-family:var(--head);font-weight:700;flex:none;overflow:hidden;position:relative}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.branch-head small{display:block;opacity:.75;font-size:13px}
.branch-body{padding:16px;background:var(--soft)}
.branch-meter{margin-left:auto;font-size:13px;font-weight:700;background:rgba(255,255,255,.12);border-radius:999px;padding:5px 12px}
.branch-choices{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.branch-end{text-align:center;padding:16px}
.score-ring{width:120px;height:120px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:30px;color:var(--navy)}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:14px}
@media(max-width:760px){.calc{grid-template-columns:1fr}}
.calc-in label{display:block;font-weight:700;font-size:15px;margin:12px 0 6px}
.calc-in .rng{display:flex;align-items:center;gap:12px}
.calc-in input[type=range]{flex:1;accent-color:var(--coral)}
.calc-in output{min-width:90px;text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.calc-out{background:var(--navy);color:#fff;border-radius:18px;padding:20px 22px}
.calc-out .num{font-family:var(--head);font-size:clamp(28px,4vw,40px);line-height:1.1;color:#ffb59f;font-variant-numeric:tabular-nums}
.calc-out .lbl{font-size:14px;opacity:.8;margin-bottom:12px}
.calc-out hr{border:0;border-top:1px solid rgba(255,255,255,.15);margin:14px 0}

/* survey */
.likert{border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;margin:10px 0;background:var(--paper)}
.likert .txt{font-weight:600;margin-bottom:10px}
.likert .scale{display:flex;gap:8px;flex-wrap:wrap}
.likert .sc{flex:1 1 52px;min-width:52px;border:1.5px solid var(--line);background:var(--soft);border-radius:10px;padding:8px 4px;cursor:pointer;font-weight:700;text-align:center;font-size:15px}
.likert .sc small{display:block;font-weight:500;font-size:11px;color:var(--muted);line-height:1.2;margin-top:2px}
.likert .sc[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.likert .sc[aria-pressed=true] small{color:rgba(255,255,255,.8)}
.compare{margin-top:16px}
.cmp-row{margin:12px 0}
.cmp-row .t{font-size:14.5px;font-weight:600;margin-bottom:6px}
.cmp-bar{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin:3px 0}
.cmp-bar span{width:44px}
.cmp-bar i{display:block;height:12px;border-radius:6px;background:#c9d0e0;transition:width .6s ease}
.cmp-bar.post i{background:var(--coral)}

/* quiz shell */
.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.qdots{display:flex;gap:6px}
.qdots i{width:28px;height:6px;border-radius:6px;background:var(--line)}
.qdots i.on{background:var(--navy)} .qdots i.ok{background:var(--teal)} .qdots i.no{background:var(--red)}
.result{text-align:center;padding:10px 0}
.result .score-ring{width:150px;height:150px;font-size:38px}
.result .pass{color:var(--teal)} .result .fail{color:var(--red)}
.review-list{text-align:left;margin-top:18px}
.review-item{display:flex;gap:10px;padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.review-item .fi{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#fff}
.review-item .fi svg{width:13px;height:13px}
.review-item.ok .fi{background:var(--teal)} .review-item.no .fi{background:var(--red)}

/* overview cards */
.mod-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-top:16px}
.mod-card{border-radius:16px;padding:16px;background:var(--soft);border:1px solid var(--line);position:relative}
.mod-card .n{font-family:var(--head);font-weight:700;font-size:13px;color:var(--coral-d);letter-spacing:.06em;text-transform:uppercase}
.mod-card b{display:block;font-family:var(--head);font-weight:500;font-size:16px;line-height:1.3;margin-top:4px}
.mod-card small{color:var(--muted)}

/* certificate */
.cert{border:10px solid var(--navy);border-radius:10px;padding:clamp(22px,5vw,48px);text-align:center;background:#fff;position:relative;outline:2px solid var(--coral);outline-offset:-22px}
.cert .seal{width:74px;height:74px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;margin:0 auto 12px}
.cert .seal svg{width:38px;height:38px}
.cert .nm{font-family:var(--head);font-size:clamp(26px,4vw,40px);color:var(--navy);border-bottom:2px solid var(--line);display:inline-block;padding:0 24px 6px;margin:8px 0 14px}
.cert small{color:var(--muted)}
.contact{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:12px}
.contact a{display:inline-flex;align-items:center;gap:7px;color:var(--navy);font-weight:600;text-decoration:none;border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;font-size:14.5px}
.contact a:hover{border-color:var(--navy)}
.contact svg{width:16px;height:16px}

/* preview */
.preview-ribbon{background:var(--coral);color:#fff;text-align:center;font-size:13.5px;font-weight:700;padding:6px 12px}
.locked-mod{opacity:.6}

@media(max-width:600px){
  body{font-size:16px}
  .stage-wrap{padding:16px 12px 120px}
  .slide{border-radius:18px}
  .footer-in{padding:10px 12px;gap:8px}
  .btn{padding:11px 14px}
  .footer .btn .t{display:none}
  .brand-text span{display:none}
  .topbar{padding:10px 12px}
  .iconbtn .t{display:none}
}
@media print{
  body *{visibility:hidden}
  .cert,.cert *{visibility:visible}
  .cert{position:fixed;left:0;top:0;width:100%}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.explainer-screen .flow .step:first-child{background:rgba(255,255,255,.12)}

a.iconbtn{text-decoration:none}
.site-link{background:var(--coral);border-color:var(--coral)}
.site-link:hover{background:var(--coral-d)}