/* Calm, spacious pages. Lora for display, Plus Jakarta Sans for everything else.
   Beige paper, navy ink, magenta for actions, one deep aubergine band per page. */
:root{
  color-scheme:light;
  --bg:#F5EDE4; --paper:#FFFBF7; --sunk:#ECDFD2; --ink:#081849; --muted:#575C7C; --line:#DCD3CB;
  --primary:#893172; --primary-hover:#74285F; --on-primary:#FFFBF7; --plum:#5F3475; --accent-ink:#893172;
  --band:#ECDFD2; --band-ink:#5F3475;
  --good:#1F7A55; --bad:#B3261E;
  --display:"Lora",Georgia,"Times New Roman",serif;
  --body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:18px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --shadow-lift:0 2px 4px rgba(0,0,0,.05),0 18px 40px rgba(0,0,0,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.015em}
p{margin:0}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px;border-radius:6px}
::selection{background:var(--primary);color:var(--on-primary)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.view{padding:40px 0 96px}

/* header */
.bar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.bar.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(0,0,0,.04)}
.bar .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:20px;text-decoration:none;letter-spacing:-.01em}
.mark{width:24px;height:24px;border-radius:7px;background:var(--primary);position:relative;flex:none;transition:transform .5s var(--ease)}
.mark::after{content:"";position:absolute;right:-5px;bottom:-5px;width:13px;height:13px;border-radius:4px;background:var(--plum);transition:transform .5s var(--ease)}
.logo:hover .mark{transform:rotate(-8deg)}
.logo:hover .mark::after{transform:translate(2px,2px)}
.nav{display:flex;gap:4px;margin-left:12px}
.nav a{text-decoration:none;font-size:15px;font-weight:500;color:var(--muted);padding:6px 12px;border-radius:999px;transition:color .2s,background .2s}
.nav a:hover{color:var(--ink);background:var(--sunk)}
.right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ph{display:inline-block;width:120px;height:38px}
.who{font-weight:600;font-size:15px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--paper);padding:11px 20px;border-radius:999px;font-weight:600;font-size:16px;cursor:pointer;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,border-color .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--ink) 25%,var(--line))}
.btn:active{transform:translateY(0) scale(.98);box-shadow:none}
.btn.primary{background:var(--primary);color:var(--on-primary);border-color:transparent}
.btn.primary:hover{background:var(--primary-hover)}
.btn .arrow{display:inline-block;transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn.big{padding:15px 26px;font-size:17px}
.btn.danger{color:var(--bad)}
.btn.small{padding:7px 14px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.linkbtn{background:none;border:0;padding:0;text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-weight:600;color:var(--accent-ink)}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row.center{justify-content:center}
.note{font-size:14px;color:var(--muted)}
.err{color:var(--bad);font-size:14px;font-weight:600}
.tag{display:inline-block;font-style:normal;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:var(--sunk);color:var(--muted);vertical-align:middle}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-ink);padding:6px 14px;border-radius:999px;background:color-mix(in srgb,var(--primary) 10%,transparent)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse 2.4s ease-in-out infinite}

/* hero */
.hero{text-align:center;padding:96px 24px 40px;display:flex;flex-direction:column;align-items:center;gap:22px}
.display{font-size:clamp(46px,7.6vw,92px);font-weight:600;letter-spacing:-.03em;line-height:1.02;max-width:12ch}
.display em{font-style:italic;font-weight:500;color:var(--accent-ink)}
.display .w{display:inline-block}
.lede{color:var(--muted);font-size:clamp(17px,1.6vw,20px);max-width:52ch}
.rise,.display .w{animation:rise .9s var(--ease) both;animation-delay:calc(var(--i,0) * 80ms + 80ms)}

/* hero demo card */
.demo{margin-top:36px;perspective:1600px;width:min(520px,100%)}
.demo-card{position:relative;height:260px;transform-style:preserve-3d;animation:demoflip 7s var(--ease) 1.8s infinite}
.demo-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;text-align:center;box-shadow:var(--shadow-lift)}
.demo-face small{position:absolute;top:18px;left:22px;font-family:var(--body);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.6}
.demo-face.front{background:var(--paper);border:1px solid var(--line);font-family:var(--display);font-weight:600;font-size:clamp(30px,4vw,42px)}
.demo-face.back{background:var(--sunk);color:var(--plum);transform:rotateY(180deg);font-size:21px;font-weight:500}
.demo-shadow{height:24px;margin:18px auto 0;width:70%;border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.12),transparent);animation:breathe 7s var(--ease) 1.8s infinite}

/* sections */
.section{padding:96px 24px}
.section-h{text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:48px}
.section-h h2{font-size:clamp(32px,4.2vw,50px)}
.section-h p{color:var(--muted);max-width:52ch}
.feats{display:flex;flex-direction:column;gap:6px}
.feat{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;padding:22px;border-radius:var(--r);transition:background .3s}
.feat:hover{background:var(--paper)}
.feat .ic{width:56px;height:56px;border-radius:16px;background:var(--sunk);display:grid;place-items:center;color:var(--accent-ink);transition:transform .4s var(--ease),background .3s}
.feat:hover .ic{transform:rotate(-6deg) scale(1.05);background:color-mix(in srgb,var(--primary) 14%,var(--sunk))}
.feat h3{font-size:24px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.feat p{color:var(--muted);margin-top:4px}
.ic svg{width:26px;height:26px}

/* statement band */
.statement{background:var(--band);color:var(--band-ink);padding:120px 24px}
.words{font-family:var(--display);font-size:clamp(30px,4.6vw,56px);font-weight:500;line-height:1.22;letter-spacing:-.02em;text-align:center;margin:0 auto}
.sw{opacity:.65;transition:opacity .45s var(--ease)}
.sw.lit{opacity:1}

/* modes grid */
.modes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mode-card{padding:30px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s}
.mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:color-mix(in srgb,var(--primary) 35%,var(--line))}
.mode-card .ic{width:48px;height:48px;border-radius:14px;background:var(--sunk);display:grid;place-items:center;color:var(--accent-ink)}
.mode-card h3{font-size:26px}
.mode-card p{color:var(--muted)}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 4px;font-family:var(--display);font-size:22px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{flex:none;width:34px;height:34px;border-radius:50%;background:var(--sunk);position:relative;transition:transform .4s var(--ease),background .3s}
.faq summary .plus::before,.faq summary .plus::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%)}
.faq summary .plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq details[open] summary .plus{transform:rotate(45deg);background:color-mix(in srgb,var(--primary) 18%,var(--sunk))}
.faq summary:hover .plus{background:color-mix(in srgb,var(--primary) 14%,var(--sunk))}
.faq .ans{padding:0 4px 26px;color:var(--muted);max-width:62ch}
.faq details[open] .ans{animation:rise .5s var(--ease) both}

/* closing */
.cta{text-align:center;padding:110px 24px 120px;display:flex;flex-direction:column;align-items:center;gap:20px}
.cta h2{font-size:clamp(36px,5vw,62px);max-width:16ch}
.cta h2 em{font-style:italic;font-weight:500;color:var(--accent-ink)}
.foot{border-top:1px solid var(--line);padding:28px 0;font-size:14px;color:var(--muted)}
.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}
.foot .links{display:flex;gap:18px}

/* scroll reveal: visible without JS, animated in with it */
.js .reveal{opacity:0;transform:translateY(28px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0) * 90ms)}

/* app: lists and forms */
.head{display:flex;gap:16px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;margin-bottom:26px}
.head h1{font-size:clamp(32px,4.4vw,48px);overflow-wrap:anywhere}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.setcard{padding:20px;text-decoration:none;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s}
.setcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:color-mix(in srgb,var(--primary) 35%,var(--line))}
.setcard h3{font-size:21px;overflow-wrap:anywhere}
.setcard .meta{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.stripe{height:6px;border-radius:99px;width:40px;transition:width .4s var(--ease)}
.setcard:hover .stripe{width:64px}
.empty{padding:28px;border:1px dashed var(--line);border-radius:var(--r);color:var(--muted);grid-column:1/-1;text-align:center}
.pop,.fade{animation:rise .6s var(--ease) both;animation-delay:calc(var(--i,0) * 55ms)}

.forge{padding:28px;margin-top:40px;scroll-margin-top:90px}
.forge h2{font-size:28px;margin-bottom:18px}
.two{display:grid;grid-template-columns:2fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{font-weight:600;font-size:14px;display:block;margin-bottom:6px}
input[type=text],input[type=email],input[type=password],textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 16%,transparent)}
textarea{min-height:200px;resize:vertical;line-height:1.55}
.check{display:flex;gap:8px;align-items:flex-start;font-size:14px;margin-bottom:12px}

.auth{max-width:460px;margin:0 auto;padding:32px;box-shadow:var(--shadow);animation:rise .7s var(--ease) both}
.auth h1{font-size:34px;margin-bottom:6px}
.auth form{margin-top:4px}
.auth .btn.primary{width:100%;justify-content:center}
.switch{margin-top:16px;font-size:15px}

/* study modes */
.modes{display:flex;gap:6px;flex-wrap:wrap;margin:22px 0;padding:5px;background:var(--sunk);border-radius:14px;width:fit-content;max-width:100%}
.mode{border:0;background:transparent;padding:9px 16px;border-radius:10px;font-weight:600;cursor:pointer;color:var(--muted);transition:background .25s,color .25s,box-shadow .25s}
.mode:hover{color:var(--ink)}
.mode.on{background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
#body>*{animation:rise .45s var(--ease) both}
.flash{perspective:1600px;max-width:700px;margin:0 auto}
.flash-in{position:relative;height:320px;transform-style:preserve-3d;transition:transform .7s var(--ease);cursor:pointer;border:0;background:none;width:100%;padding:0;display:block}
.flash-in.flip{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center;border:1px solid var(--line);overflow:auto;box-shadow:var(--shadow-lift)}
.face.front{background:var(--paper);font-family:var(--display);font-weight:600;font-size:clamp(26px,4vw,42px)}
.face.back{background:var(--sunk);color:var(--plum);transform:rotateY(180deg);font-size:21px;font-weight:500;border-color:transparent}
.face small{position:absolute;top:16px;left:20px;font-family:var(--body);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.6}
.flash-ctl{display:flex;justify-content:center;gap:10px;margin-top:18px;flex-wrap:wrap;align-items:center}
.count{font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted);min-width:70px;text-align:center}
.progress{height:6px;border-radius:99px;background:var(--sunk);overflow:hidden;flex:1;min-width:120px}
.progress b{display:block;height:100%;background:var(--good);transition:width .5s var(--ease)}
.q{padding:20px 22px;margin-bottom:14px}
.q fieldset{border:0;margin:0;padding:0}
.q legend{font-weight:600;margin-bottom:10px;padding:0}
.opt{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:12px;cursor:pointer;transition:background .2s}
.opt:hover{background:var(--sunk)}
.opt.right{background:color-mix(in srgb,var(--good) 18%,transparent);font-weight:600}
.opt.wrong{background:color-mix(in srgb,var(--bad) 16%,transparent)}
.score{font-family:var(--display);font-size:34px;font-weight:600;font-variant-numeric:tabular-nums}
.guide{padding:8px 24px}
.guide dl{margin:0}
.gi{display:grid;grid-template-columns:minmax(120px,1fr) 3fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
.gi:last-child{border:0}
.gi dt{font-family:var(--display);font-weight:600;font-size:19px;overflow-wrap:anywhere}
.gi dd{margin:0}
.match{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tile{min-height:100px;padding:12px;border-radius:16px;border:1px solid var(--line);background:var(--paper);cursor:pointer;font-size:14px;line-height:1.35;transition:transform .25s var(--ease),opacity .4s,background .2s,box-shadow .25s;overflow-wrap:anywhere}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.tile.t{font-family:var(--display);font-weight:600;font-size:18px}
.tile.pick{background:var(--primary);color:var(--on-primary);transform:scale(1.04)}
.tile.done{opacity:.2;transform:scale(.94);pointer-events:none}
.tile.no{animation:shake .35s ease;background:color-mix(in srgb,var(--bad) 22%,var(--paper))}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,90px);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:999px;font-weight:600;transition:transform .45s var(--ease);z-index:60;max-width:90vw;box-shadow:var(--shadow-lift)}
.toast.on{transform:translate(-50%,0)}

@keyframes rise{from{opacity:0;transform:translateY(22px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
@keyframes demoflip{0%,36%{transform:rotateY(0) rotateX(4deg)}50%,86%{transform:rotateY(180deg) rotateX(4deg)}100%{transform:rotateY(360deg) rotateX(4deg)}}
@keyframes breathe{0%,36%,100%{transform:scaleX(1);opacity:1}43%,93%{transform:scaleX(.8);opacity:.6}50%,86%{transform:scaleX(1);opacity:1}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.5}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

@media (max-width:820px){
  .nav{display:none}
  .hero{padding-top:64px}
  .section{padding:72px 20px}
  .statement{padding:88px 20px}
  .modes-grid{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .match{grid-template-columns:repeat(3,1fr)}
  .gi{grid-template-columns:1fr;gap:4px}
  .feat{grid-template-columns:48px 1fr;gap:16px;padding:16px 8px}
  .feat .ic{width:48px;height:48px}
}
@media (max-width:460px){.match{grid-template-columns:repeat(2,1fr)}.demo-card{height:220px}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  .sw{opacity:1}
}
/* Light surfaces; the original plum and navy lead through typography. */
h1,h2,h3,.logo,.score{color:var(--plum)}
.face.front,.gi dt,.tile.t{color:var(--plum)}
.face small,.demo-face small{opacity:1;color:var(--muted)}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}
input,textarea,select{caret-color:var(--primary)}
input[type=radio],input[type=checkbox]{accent-color:var(--primary)}
html{scrollbar-color:#A89AA8 var(--bg)}