:root{
  --bg:#050608;--panel:#0d1117;--panel2:#131922;--text:#f4f1ea;--muted:#9ca5b2;
  --gold:#c89438;--gold2:#f0c66d;--red:#b7242a;--teal:#147f86;--teal2:#2ab4bb;
  --green:#45d49b;--line:rgba(255,255,255,.11);--shadow:0 35px 110px rgba(0,0,0,.56)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);background:
radial-gradient(circle at 12% 12%,rgba(200,148,56,.14),transparent 28%),
radial-gradient(circle at 92% 55%,rgba(20,127,134,.15),transparent 30%),
linear-gradient(180deg,#050608 0%,#080a0e 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:hidden}
button,input{font:inherit}.grain{position:fixed;inset:0;pointer-events:none;z-index:40;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E")}.ambient{position:fixed;border-radius:50%;filter:blur(130px);pointer-events:none;z-index:-1}.ambient--gold{width:420px;height:420px;background:rgba(200,148,56,.12);top:6%;left:-190px}.ambient--teal{width:520px;height:520px;background:rgba(20,127,134,.12);right:-260px;top:46%}
.site-header{width:min(1240px,calc(100% - 44px));height:84px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{color:var(--text);text-decoration:none;font-size:.74rem;font-weight:900;letter-spacing:.28em}.mini-nav{display:flex;gap:8px}.mini-nav__button,.back-button,.book-tab{border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--muted);border-radius:999px;padding:10px 14px;font-size:.68rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase;cursor:pointer;transition:.2s}.mini-nav__button:hover,.back-button:hover,.book-tab:hover,.book-tab.is-active{color:var(--text);border-color:rgba(240,198,109,.42);background:rgba(240,198,109,.08)}
.landing{width:min(1240px,calc(100% - 44px));margin:auto;padding:92px 0 130px}.landing__intro{text-align:center;max-width:840px;margin:0 auto 70px}.eyebrow{margin:0 0 16px;color:var(--gold2);font-size:.68rem;font-weight:900;letter-spacing:.22em;text-transform:uppercase}.eyebrow--teal{color:#67d2d7}.landing h1{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(3.7rem,7vw,7rem);line-height:.92;letter-spacing:-.06em}.landing__intro>p:last-child{max-width:700px;margin:26px auto 0;color:var(--muted);font-size:1.04rem;line-height:1.75}
.book-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;max-width:920px;margin:auto}.book-tile{position:relative;padding:0 0 28px;border:1px solid var(--line);border-radius:30px;background:linear-gradient(150deg,rgba(18,22,29,.96),rgba(7,9,13,.98));color:var(--text);box-shadow:var(--shadow);cursor:pointer;overflow:hidden;transition:transform .35s,border-color .35s}.book-tile:hover{transform:translateY(-10px) rotateX(2deg);border-color:rgba(240,198,109,.42)}.book-tile__glow{position:absolute;inset:-35%;background:radial-gradient(circle,rgba(240,198,109,.16),transparent 54%);opacity:0;transition:.35s}.book-tile:hover .book-tile__glow{opacity:1}.book-tile img{position:relative;width:100%;display:block;aspect-ratio:2/3;object-fit:cover}.book-tile__meta{display:block;margin:23px 24px 7px;color:var(--gold2);font-size:.62rem;font-weight:900;letter-spacing:.18em}.book-tile strong{display:block;margin:0 24px;font-family:Georgia,serif;font-size:1.7rem;line-height:1.05;text-align:left}.book-tile small{display:block;margin:12px 24px 0;color:var(--muted);text-align:left}.book-tile:nth-child(2) .book-tile__meta{color:#67d2d7}
.portal{width:min(1240px,calc(100% - 44px));margin:auto;padding:34px 0 130px}.portal__topline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:34px}.book-tabs{display:flex;gap:8px}.case-shell{display:grid;grid-template-columns:360px minmax(0,1fr);gap:58px;align-items:start;padding:36px;border:1px solid var(--line);border-radius:34px;background:linear-gradient(145deg,rgba(18,22,29,.97),rgba(7,9,12,.98));box-shadow:var(--shadow)}.cover-stage{position:sticky;top:24px}.cover-stage img{width:100%;display:block;border-radius:10px;box-shadow:0 28px 80px rgba(0,0,0,.56)}.cover-stage__label{display:inline-flex;margin-top:18px;padding:8px 12px;border:1px solid rgba(240,198,109,.3);border-radius:999px;color:var(--gold2);font-size:.6rem;font-weight:900;letter-spacing:.16em}.case-workspace{padding:20px 0}.case-workspace h2{margin:0;font-family:Georgia,serif;font-size:clamp(3.3rem,6vw,6.2rem);line-height:.87;letter-spacing:-.06em}.case-intro{max-width:720px;margin:26px 0 34px;color:var(--muted);font-size:1rem;line-height:1.7}
.verdict-card{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:30px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(150deg,rgba(23,29,38,.94),rgba(8,11,15,.95));transition:.25s}.verdict-card.is-validated,.folder-panel.is-validated{border-color:rgba(69,212,155,.48);box-shadow:0 0 0 1px rgba(69,212,155,.08) inset}.verdict-card__seal{width:56px;height:56px;display:grid;place-items:center;border:1px solid rgba(240,198,109,.36);border-radius:16px;color:var(--gold2);font-family:Georgia,serif;font-size:1.2rem}.label{display:block;color:var(--gold2);font-size:.58rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.verdict-card h3,.folder-panel h3{margin:7px 0 18px;font-size:1.65rem}.check-form label{display:block;margin-bottom:9px;color:#b9c0c9;font-size:.62rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.answer-line{display:flex;gap:10px}input{flex:1;min-width:0;height:52px;padding:0 16px;border:1px solid rgba(255,255,255,.12);border-radius:13px;background:#07090d;color:var(--text);outline:none}input::placeholder{color:#5c6570}input:focus{border-color:var(--gold2);box-shadow:0 0 0 4px rgba(240,198,109,.08)}.answer-line button,.unlock-card button{height:52px;padding:0 20px;border:0;border-radius:13px;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#17120a;font-size:.65rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;cursor:pointer;transition:.2s}.answer-line button:hover,.unlock-card button:hover{transform:translateY(-1px);filter:brightness(1.06)}.answer-line button:disabled{opacity:.55;cursor:wait}.result{min-height:24px;margin-top:14px;font-size:.86rem;line-height:1.5}.result span{display:block;margin-top:4px;color:#c8ced6}.result.is-loading{color:var(--gold2)}.result.is-error{color:#ff6878}.result.is-success{color:var(--green)}.is-shaking{animation:shake .34s linear}@keyframes shake{25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.folder-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:32px 0 18px}.folder-tab{min-height:78px;padding:13px;border:1px solid var(--line);border-radius:16px;background:#0a0d12;color:var(--text);text-align:left;cursor:pointer;transition:.22s}.folder-tab span{display:block;font-family:Georgia,serif;font-size:1.45rem;font-weight:700}.folder-tab small{display:block;margin-top:3px;color:var(--muted);font-size:.68rem}.folder-tab:hover,.folder-tab.is-active{transform:translateY(-3px);border-color:rgba(255,255,255,.26)}.folder-tab--a.is-active{box-shadow:0 0 0 1px rgba(226,170,47,.25) inset}.folder-tab--b.is-active{box-shadow:0 0 0 1px rgba(196,42,48,.28) inset}.folder-tab--c.is-active{box-shadow:0 0 0 1px rgba(42,139,147,.3) inset}.folder-tab--d.is-active{box-shadow:0 0 0 1px rgba(174,151,66,.25) inset}.folder-tab.is-validated:after{content:"✓";float:right;color:var(--green);font-weight:900}.folder-stack{position:relative}.folder-panel{position:relative;padding:28px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(23,27,34,.97),rgba(9,11,15,.98));overflow:hidden}.folder-panel:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--folder-accent,#777)}.folder-panel--a{--folder-accent:#d69d25}.folder-panel--b{--folder-accent:#b6232b}.folder-panel--c{--folder-accent:#16818a}.folder-panel--d{--folder-accent:#9d8737}.folder-panel__top{display:flex;align-items:center;gap:16px}.folder-badge{width:54px;height:54px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.03);font-family:Georgia,serif;font-size:1.35rem}.folder-panel>p{margin:0 0 20px;color:var(--muted)}.progress-card{margin-top:18px;padding:24px;border:1px solid var(--line);border-radius:20px;background:#090c11}.progress-card__header{display:flex;justify-content:space-between;align-items:center}.progress-card__header span{color:var(--muted);font-size:.64rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.progress-card__header strong{font-size:1.35rem}.progress-track{height:9px;margin:18px 0;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2),var(--teal2));transition:width .5s}.progress-card p{margin:0;color:var(--muted);font-size:.88rem}.progress-card p.is-complete{color:var(--green)}
.unlock-overlay{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;background:rgba(2,3,5,.78);backdrop-filter:blur(14px)}.unlock-card{width:min(520px,100%);padding:42px;border:1px solid rgba(69,212,155,.42);border-radius:26px;background:linear-gradient(150deg,#141b20,#07090d);text-align:center;box-shadow:0 30px 100px rgba(0,0,0,.7)}.unlock-card__mark{width:72px;height:72px;display:grid;place-items:center;margin:0 auto 20px;border:1px solid rgba(69,212,155,.5);border-radius:50%;color:var(--green);font-size:2rem}.unlock-card p{margin:0 0 8px;color:var(--green);font-size:.66rem;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.unlock-card h2{margin:0 0 28px;font-family:Georgia,serif;font-size:2.4rem}.unlock-card button{background:linear-gradient(135deg,#72e4b7,#45d49b)}
footer{width:min(1240px,calc(100% - 44px));min-height:100px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);color:#747d88;font-size:.72rem}
[hidden]{display:none!important}
@media(max-width:980px){.case-shell{grid-template-columns:260px 1fr;gap:34px}.folder-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.site-header,.landing,.portal,footer{width:min(100% - 24px,1240px)}.mini-nav{display:none}.landing{padding:70px 0 90px}.landing h1{font-size:clamp(3.1rem,15vw,5rem)}.book-picker{grid-template-columns:1fr;max-width:360px}.portal__topline{align-items:flex-start;flex-direction:column}.case-shell{grid-template-columns:1fr;padding:18px;border-radius:24px}.cover-stage{position:static;max-width:280px;margin:auto}.case-workspace h2{font-size:3.2rem}.answer-line{flex-direction:column}.answer-line button{width:100%}.verdict-card{grid-template-columns:1fr;padding:22px}.folder-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}footer{flex-direction:column;justify-content:center;gap:8px;padding:26px 0;text-align:center}}