/* ================= TOKENS ================= */
:root{
  --paper:#F6F2E9;
  --paper-2:#FBF8F1;
  --sand:#EDE6D6;
  --sand-deep:#E5DCC8;
  --ink:#1B2A3C;
  --ink-deep:#142235;
  --navy:#1E2F49;
  --muted:#6C6557;
  --muted-2:#938B7A;
  --gold:#B07E20;
  --gold-bright:#E8A92E;
  --green:#2E8B57;
  --green-deep:#236B43;
  --line:rgba(27,42,60,.14);
  --line-soft:rgba(27,42,60,.08);
  --line-strong:rgba(27,42,60,.26);

  --maxw:1200px;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --shadow:0 30px 70px -28px rgba(20,34,53,.4);
  --shadow-sm:0 14px 34px -18px rgba(20,34,53,.34);
  /* graph colours (theme-aware, used by graph.js) */
  --g-curve:#2A4258; --g-point:#16222E; --g-axis:rgba(27,42,60,.85); --g-grid:rgba(27,42,60,.07); --g-tick:rgba(27,42,60,.55); --g-board:#FBF8F1;
  /* always-light text for dark/inverted surfaces (works in both themes) */
  --on-dark:#FBF8F1;
}
/* ── Dark mode — warm editorial dark, gold accent kept ──
   Key: --ink-deep / --navy stay DARK (they're used as inverted-section + button
   backgrounds, never as text). Inverted elements get explicit light text below.
   Graphs use their own --g-* vars so they don't depend on --ink-deep/--navy. */
html[data-theme="dark"]{
  --paper:#141c27;
  --paper-2:#1c2733;
  --sand:#243040;
  --sand-deep:#2c3a4b;
  --ink:#ECE6DA;
  --ink-deep:#27374e;   /* elevated dark surface (buttons + inverted bands) */
  --navy:#33486a;       /* dark navy for gradients/accents */
  --muted:#AAB2BF;
  --muted-2:#828B99;
  --gold:#D7A23F;
  --gold-bright:#EBB04A;
  --green:#3FBE7B;
  --green-deep:#48CC8C;
  --line:rgba(236,230,218,.15);
  --line-soft:rgba(236,230,218,.08);
  --line-strong:rgba(236,230,218,.30);
  --shadow:0 30px 70px -28px rgba(0,0,0,.65);
  --shadow-sm:0 14px 34px -18px rgba(0,0,0,.55);
  --g-curve:#A9BBD3; --g-point:#ECE6DA; --g-axis:rgba(236,230,218,.65); --g-grid:rgba(236,230,218,.09); --g-tick:rgba(236,230,218,.5); --g-board:#1c2733;
  --on-dark:#F2EEE4;
}
html[data-theme="dark"] body{background:var(--paper);color:var(--ink)}
/* inverted elements: dark bg + light text (their text vars went dark, so force light) */
html[data-theme="dark"] .btn-primary,
html[data-theme="dark"] .mega-badge.live,
html[data-theme="dark"] .sc-grid .c.pick,
html[data-theme="dark"] .sempill.active,
html[data-theme="dark"] .tier.feat,
html[data-theme="dark"] .tier.feat *,
html[data-theme="dark"] .countdown,
html[data-theme="dark"] .countdown .cd-label .t b,
html[data-theme="dark"] .final-card,
html[data-theme="dark"] .final-card *,
html[data-theme="dark"] .cta-band .inner,
html[data-theme="dark"] .cta-band .inner *,
html[data-theme="dark"] .bk-item .av,
html[data-theme="dark"] .bk-acts button.acc,
html[data-theme="dark"] .mobile-menu a.btn,
html[data-theme="dark"] .nav-user .av,
html[data-theme="dark"] .mk-pip.answered,
html[data-theme="dark"] .pr-choice.selected .k,
html[data-theme="dark"] .pr-choice.correct .k,
html[data-theme="dark"] .pr-choice.wrong .k,
html[data-theme="dark"] .as-nav a.active,
html[data-theme="dark"] .as-user .av,
html[data-theme="dark"] .as-switch:hover,
html[data-theme="dark"] .hmp-toast,
html[data-theme="dark"] .ref-bubble,
html[data-theme="dark"] .ref-copy,
html[data-theme="dark"] .fnf-pop button{color:var(--on-dark)}
html[data-theme="dark"] .qb-lvl.on{background:var(--gold);color:#16202b}
html[data-theme="dark"] .qb-lvl.on i{color:#16202b}
/* hardcoded-light surfaces → dark */
html[data-theme="dark"] nav.scrolled{background:rgba(20,28,39,.86)}
html[data-theme="dark"] .mobile-menu{background:rgba(20,28,39,.97)}
html[data-theme="dark"] body.app-mode .app-sidebar{background:rgba(20,28,39,.97)}
html[data-theme="dark"] .pr-code{color:#cdd6e0;background:#10171f}
/* gold-tinted banners read fine but bump contrast a touch */
html[data-theme="dark"] .preview-banner p{color:var(--ink)}
html[data-theme="dark"] .qb-lvl.on i{background:rgba(0,0,0,.35);color:#F7F3EB}
/* theme toggle button */
.theme-toggle{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--ink);cursor:pointer;transition:.18s;flex:0 0 auto}
.theme-toggle:hover{border-color:var(--ink);background:rgba(127,127,127,.08)}
.theme-toggle svg{width:18px;height:18px}
.mobile-menu .theme-toggle{width:auto;height:auto;border:0;border-radius:0;justify-content:flex-start;gap:10px;padding:0;color:inherit}
.mobile-menu .theme-toggle svg{width:17px;height:17px}
/* ── personal-study guard: question banks aren't copyable or printable ── */
.pr-overlay,.exam-q{-webkit-user-select:none;-moz-user-select:none;user-select:none}
.pr-overlay input,.pr-overlay textarea,.exam-q input,.exam-q textarea{-webkit-user-select:text;user-select:text}
@media print{
  .pr-overlay,.exam-q,.pr-graph,.hmp-graph,#qbank,#mocks,.exam-shell,.exam-top{display:none !important}
  body.modal-open>*{display:none !important}
  body.modal-open::after{content:"HelpMePass question banks are for your personal study only — they can’t be printed or shared. Practise them at helpmepass.ch.";display:flex;align-items:center;justify-content:center;min-height:70vh;padding:8vh 10vw;text-align:center;font-family:'Newsreader',Georgia,serif;font-size:18px;line-height:1.6;color:#1B2A3C}
}
/* report-a-question control under each question */
.pr-rep{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
.pr-rep-btn{background:none;border:0;color:var(--muted-2);font-family:'Newsreader',Georgia,serif;font-size:13px;cursor:pointer;padding:3px 2px;user-select:none}
.pr-rep-btn:hover{color:var(--ink);text-decoration:underline}
.pr-rep-q{font-size:13px;color:var(--muted)}
.pr-rep-chip{font-size:12.5px;font-family:'Newsreader',Georgia,serif;border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);border-radius:999px;padding:4px 12px;cursor:pointer;transition:.15s}
.pr-rep-chip:hover{border-color:var(--gold);color:var(--gold)}
.pr-rep-x{background:none;border:0;color:var(--muted-2);font-size:12.5px;cursor:pointer}
.pr-rep-done{font-size:13px;color:var(--green-deep)}
/* save / flag a question (star) */
.pr-save{margin-left:auto;background:none;border:0;cursor:pointer;color:var(--muted-2);padding:2px;line-height:0;transition:.15s;flex:0 0 auto}
.pr-save svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}
.pr-save:hover{color:var(--gold);transform:scale(1.12)}
.pr-save.on{color:var(--gold)}
.pr-save.on svg{fill:var(--gold);stroke:var(--gold)}
.qb-saved .qt{color:var(--gold)}
/* why a chosen wrong answer is wrong */
.why{margin-top:6px;font-size:14.5px;color:var(--ink);line-height:1.55}
.why-lbl{font-weight:600;color:#9b3327}
html[data-theme="dark"] .why-lbl{color:#e08070}
/* invite-a-friend widget (bottom-left) */
#hmp-ref{position:fixed;left:20px;bottom:20px;z-index:60}
/* clear the logged-in left sidebar (which would otherwise cover it) */
body.app-mode #hmp-ref{left:268px}
body.app-mode.sidebar-collapsed #hmp-ref{left:98px}
@media(max-width:900px){body.app-mode #hmp-ref{left:20px}}
.ref-card{position:relative;width:300px;max-width:78vw;background:var(--paper-2);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px 20px 18px;animation:refIn .35s var(--ease-out,ease)}
@keyframes refIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ref-h{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.ref-h svg{width:20px;height:20px;color:var(--gold)}
.ref-h b{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:18px;color:var(--ink)}
.ref-card p{font-size:14px;color:var(--muted);line-height:1.5;margin-bottom:15px}
.ref-copy{width:100%;background:var(--ink-deep);color:var(--paper);border:0;border-radius:12px;padding:12px 16px;font-family:'Newsreader',Georgia,serif;font-size:15px;cursor:pointer;transition:.15s}
.ref-copy:hover{opacity:.92}
.ref-copy.done{background:var(--green-deep)}
.ref-code{font-size:13px;color:var(--muted-2);text-align:center;margin-top:10px}
.ref-code b{color:var(--gold);font-weight:600;letter-spacing:.08em}
/* keep the widget out of the way while a menu or overlay is open */
body.menu-open #hmp-ref,body.modal-open #hmp-ref{display:none}
.ref-min-btn{position:absolute;top:12px;right:12px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer}
.ref-min-btn:hover{color:var(--ink);border-color:var(--ink)}
.ref-min-btn svg{width:15px;height:15px}
.ref-min{display:flex;align-items:center;gap:4px}
.ref-bubble{display:inline-flex;align-items:center;gap:9px;background:var(--ink-deep);color:var(--paper);border:0;border-radius:999px;padding:11px 17px;font-family:'Newsreader',Georgia,serif;font-size:14.5px;cursor:pointer;box-shadow:var(--shadow-sm);transition:.18s}
.ref-bubble:hover{transform:translateY(-2px)}
.ref-bubble svg{width:18px;height:18px;color:var(--gold-bright)}
.ref-bx{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:var(--paper-2);color:var(--muted-2);display:grid;place-items:center;cursor:pointer}
.ref-bx:hover{color:var(--ink)}
.ref-bx svg{width:13px;height:13px}
@media(max-width:560px){#hmp-ref{left:12px;bottom:12px}.ref-bubble span{display:none}}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{
  font-family:'Newsreader',Georgia,serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.62;
  font-size:18px;
  overflow-x:hidden;
}
::selection{background:var(--ink);color:var(--paper)}
a{color:inherit;text-decoration:none}
img,svg{display:block}
h1,h2,h3,h4,.display{font-family:'Fraunces',Georgia,serif;font-weight:500;line-height:1.02;letter-spacing:-.015em}
.serif-i{font-style:italic;font-weight:400}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.eyebrow{font-family:'Newsreader';font-size:13.5px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--muted-2)}

/* paper grain */
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* scroll progress */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--navy),var(--gold-bright));transition:width .08s linear}

/* ================= NAV ================= */
nav{position:fixed;top:0;left:0;right:0;z-index:120;transition:background .4s var(--ease),box-shadow .4s,border-color .4s;border-bottom:1px solid transparent}
nav.scrolled{background:rgba(246,242,233,.86);backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid var(--line-soft)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:78px;max-width:1280px;margin:0 auto;padding:0 30px}
.brand{display:flex;align-items:center;cursor:pointer}
.brand img{height:46px;width:auto;display:block}
.nav-mid{display:flex;align-items:center;gap:36px}
.nav-mid a{font-size:16.5px;color:var(--ink);font-weight:400;display:inline-flex;align-items:center;gap:5px;transition:color .2s;position:relative}
.nav-mid a .car{width:9px;height:9px;opacity:.6;transition:transform .25s}
.nav-mid a:hover{color:var(--gold)}
.nav-mid a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-mid a:hover::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-right .lang{font-size:16px;color:var(--ink);display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.nav-right .signin{font-size:16.5px;color:var(--ink);cursor:pointer;transition:color .2s}
.nav-right .signin:hover{color:var(--gold)}
.car{display:inline-block}

/* mega dropdown */
.nav-dd{position:static}
.nav-dd>a{cursor:pointer}
.nav-dd:hover>a .car{transform:rotate(180deg)}
.mega{position:fixed;left:50%;top:72px;transform:translateX(-50%) translateY(-8px);width:min(860px,calc(100vw - 40px));
  background:var(--paper-2);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;z-index:130;overflow:hidden}
.nav-dd:hover .mega,.mega:hover,.mega.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
/* invisible bridge so the mouse can travel from the trigger to the panel without closing it */
.mega::before{content:"";position:absolute;left:0;right:0;top:-34px;height:34px}
.mega-cols{display:grid;grid-template-columns:296px 1fr}
.mega-left{background:rgba(27,42,60,.025);border-right:1px solid var(--line);padding:16px}
.mega-sem{width:100%;text-align:left;border:0;background:transparent;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 16px;border-radius:13px;cursor:pointer;transition:background .2s,box-shadow .2s;font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:19px;color:var(--ink)}
.mega-sem:hover,.mega-sem.active{background:var(--paper)}
.mega-sem.active{box-shadow:var(--shadow-sm)}
.mega-badge{font-family:'Newsreader';font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:4px 11px;border-radius:100px;flex:0 0 auto}
.mega-badge.live{background:var(--ink-deep);color:var(--paper-2)}
.mega-badge.found{background:var(--sand-deep);color:var(--muted)}
.mega-right{padding:22px 26px;min-height:300px}
.mega-right h6{font-family:'Newsreader';font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega-course{display:flex;align-items:center;gap:13px;padding:11px 13px;border-radius:13px;cursor:pointer;transition:background .2s;border:0;background:transparent;text-align:left;width:100%;font-family:inherit}
.mega-course:hover{background:rgba(27,42,60,.045)}
.mega-course.soon{cursor:default}
.mega-course.soon:hover{background:transparent}
.mega-ico{width:42px;height:42px;border-radius:11px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;flex:0 0 auto}
.mega-course.soon .mega-ico{opacity:.5}
.mega-ico svg{width:19px;height:19px;stroke:var(--ink);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mega-course .nm{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:17.5px;color:var(--ink);line-height:1.1}
.mega-course.soon .nm{color:var(--muted)}
.mega-course .soon-t{margin-left:auto;font-family:'Newsreader';font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);flex:0 0 auto}
.mega-course .go{margin-left:auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:var(--gold);opacity:0;transform:translateX(-4px);transition:.25s;flex:0 0 auto}
.mega-course:hover .go{opacity:1;transform:none}

.btn{font-family:'Newsreader';font-size:16.5px;cursor:pointer;border:0;border-radius:13px;
  padding:12px 24px;transition:transform .3s var(--ease),box-shadow .3s,background .3s;display:inline-flex;align-items:center;gap:9px;white-space:nowrap}
.btn-primary{background:var(--ink-deep);color:var(--paper-2);box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px -16px rgba(20,34,53,.5);background:var(--navy)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:rgba(27,42,60,.05);border-color:var(--ink)}
.btn-lg{padding:17px 32px;font-size:18.5px;border-radius:15px}
.menu-btn{display:none}

/* ================= HERO ================= */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;text-align:center;padding:100px 0 70px;overflow:hidden}
.hero .emblem-wm{position:absolute;z-index:0;width:min(120vh,1100px);opacity:.045;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1000px;margin:0 auto;padding:0 30px}
.hero .eyebrow{display:block;margin-bottom:30px;opacity:0;transform:translateY(16px);transition:.9s var(--ease)}
.hero.ready .eyebrow{opacity:1;transform:none}
.hero h1{font-size:clamp(46px,6.6vw,94px);font-weight:400;letter-spacing:-.03em;line-height:1.06;margin-bottom:40px}
/* padding+negative-margin gives the reveal's overflow:hidden room for descenders (g,y,p) without changing line spacing */
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.22em;margin-bottom:-.22em}
.hero h1 .ln>span{display:block;transform:translateY(108%);transition:transform 1s var(--ease)}
.hero.ready h1 .ln>span{transform:none}
.hero h1 .ln:nth-child(2)>span{transition-delay:.08s}
.hero h1 .ln:nth-child(3)>span{transition-delay:.16s}
.hero h1 em{font-style:italic;font-weight:400;color:var(--ink)}
.hero p.sub{font-size:clamp(19px,2.5vw,24px);color:var(--muted);max-width:30ch;margin:0 auto 42px;line-height:1.5;
  opacity:0;transform:translateY(16px);transition:.9s var(--ease) .34s}
.hero.ready p.sub{opacity:1;transform:none}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;transform:translateY(16px);transition:.9s var(--ease) .44s}
.hero.ready .hero-cta{opacity:1;transform:none}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2)}
.cue-line{width:1px;height:42px;background:linear-gradient(var(--line-strong),transparent);position:relative;overflow:hidden}
.cue-line::after{content:"";position:absolute;top:-42px;left:0;width:100%;height:42px;background:var(--ink);animation:cue 2.2s var(--ease) infinite}
/* on shorter laptop viewports the centred hero content reaches the bottom, so
   hide the decorative scroll cue to avoid it overlapping the CTA buttons */
@media(max-height:880px){.scroll-cue{display:none}}
@keyframes cue{0%{top:-42px}60%,100%{top:42px}}

/* ================= COUNTDOWN ================= */
.countdown{background:var(--ink-deep);color:var(--paper);position:relative;overflow:hidden}
.countdown::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 80% 50%,rgba(232,169,46,.18),transparent 60%)}
.cd-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:30px 0}
.cd-label{display:flex;align-items:center;gap:14px}
.cd-label .dot{width:9px;height:9px;border-radius:50%;background:var(--gold-bright);box-shadow:0 0 0 0 rgba(232,169,46,.5);animation:cdpulse 2s infinite}
@keyframes cdpulse{70%{box-shadow:0 0 0 9px rgba(232,169,46,0)}100%{box-shadow:0 0 0 0 rgba(232,169,46,0)}}
.cd-label .t small{display:block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:rgba(246,242,233,.55)}
.cd-label .t b{font-family:'Fraunces';font-weight:500;font-size:21px;color:var(--paper)}
.cd-timer{display:flex;gap:14px}
.cd-unit{text-align:center;min-width:64px}
.cd-unit b{font-family:'Fraunces';font-weight:400;font-size:42px;line-height:1;font-variant-numeric:tabular-nums;display:block;
  background:linear-gradient(180deg,#fff,#cdb98c);-webkit-background-clip:text;background-clip:text;color:transparent}
.cd-unit span{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(246,242,233,.5);margin-top:6px;display:block}
.cd-sep{font-family:'Fraunces';font-size:34px;color:rgba(246,242,233,.25);align-self:flex-start;line-height:1.1}

/* ================= MARQUEE ================= */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;overflow:hidden;background:var(--paper)}
.mq-track{display:flex;gap:54px;width:max-content;animation:mq 36s linear infinite}
.mq-track span{font-family:'Fraunces';font-size:26px;font-weight:400;color:var(--ink);display:inline-flex;align-items:center;gap:54px;white-space:nowrap}
.mq-track span i{font-style:normal;color:var(--gold);font-size:14px}
.mq-track em{font-style:italic;color:var(--muted-2)}
@keyframes mq{to{transform:translateX(-50%)}}
.marquee:hover .mq-track{animation-play-state:paused}

/* ================= SECTION HEADS ================= */
.sec-head{max-width:760px;margin:0 auto 64px;text-align:center}
.sec-head .eyebrow{display:block;margin-bottom:20px}
.sec-head h2{font-size:clamp(36px,5.6vw,68px);font-weight:400;letter-spacing:-.025em;margin-bottom:18px}
.sec-head h2 em{font-style:italic;color:var(--gold)}
.sec-head p{font-size:20px;color:var(--muted);line-height:1.55}

/* ================= STATS ================= */
.stats{padding:120px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:14px 30px;border-left:1px solid var(--line);text-align:left}
.stat:first-child{border-left:0}
.stat .num{font-family:'Fraunces';font-weight:300;font-size:clamp(48px,6vw,76px);line-height:.95;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat .num em{font-style:normal;color:var(--gold)}
.stat .cap{margin-top:14px;font-size:16px;color:var(--muted);max-width:22ch}

/* ================= JOURNEY (pinned) ================= */
.journey{position:relative;background:var(--paper)}
.journey-head{padding:30px 0 0}
.journey-track{position:relative}
.j-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;overflow:hidden;transition:background 1s var(--ease)}
.j-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 30px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.j-left{position:relative;padding-left:48px}
.spine{position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:var(--line);border-radius:2px;overflow:hidden}
.spine-fill{position:absolute;top:0;left:0;width:100%;height:0;background:linear-gradient(var(--navy),var(--gold) 70%,var(--green));transition:height .2s linear}
.j-step{position:relative;padding:16px 0;opacity:.3;transform:translateY(6px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.j-step::before{content:"";position:absolute;left:-42px;top:24px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:2px solid var(--line-strong);transition:.5s var(--ease)}
.j-step.active{opacity:1;transform:none}
.j-step.active::before{background:var(--gold-bright);border-color:var(--gold-bright);box-shadow:0 0 0 6px rgba(232,169,46,.16)}
.j-step .sidx{font-family:'Newsreader';font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.j-step h3{font-size:clamp(28px,3.6vw,42px);font-weight:400;margin:8px 0 10px}
.j-step p{font-size:17.5px;color:var(--muted);max-width:40ch;line-height:1.55}

.stage{position:relative;height:460px;border-radius:24px;background:var(--paper-2);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.scene{position:absolute;inset:0;display:grid;place-items:center;padding:36px;opacity:0;transform:scale(.95) translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease);pointer-events:none}
.scene.show{opacity:1;transform:none}
.scene-title{position:absolute;top:22px;left:26px;font-size:13px;letter-spacing:.04em;color:var(--muted-2)}

/* scene0 course grid */
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:100%;max-width:340px}
.sc-grid .c{aspect-ratio:1.25;border-radius:14px;border:1px solid var(--line);background:var(--paper);display:grid;place-content:center;font-family:'Fraunces';font-weight:400;font-size:20px;color:var(--muted);transition:.4s}
.sc-grid .c.pick{background:var(--ink-deep);color:var(--paper-2);border-color:var(--ink-deep);transform:scale(1.06);box-shadow:var(--shadow-sm)}
.sc-grid .c small{display:block;font-family:'Newsreader';font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-bright);margin-top:4px}

/* scene1 player */
.player{width:100%;max-width:350px}
.player .screen{aspect-ratio:16/10;border-radius:16px;background:linear-gradient(150deg,var(--navy),var(--ink-deep));position:relative;display:grid;place-items:center;overflow:hidden}
.player .screen::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 42%,rgba(232,169,46,.22),transparent 60%)}
.play-btn{width:64px;height:64px;border-radius:50%;background:var(--paper-2);display:grid;place-items:center;position:relative;z-index:2;box-shadow:0 14px 30px -8px rgba(0,0,0,.4)}
.play-btn::after{content:"";border-left:18px solid var(--ink-deep);border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
.player .pbar{height:6px;border-radius:6px;background:var(--sand);margin-top:18px;overflow:hidden}
.player .pbar i{display:block;height:100%;width:62%;border-radius:6px;background:linear-gradient(90deg,var(--navy),var(--gold))}
.player .meta{display:flex;justify-content:space-between;margin-top:12px;font-size:13.5px;color:var(--muted-2)}

/* scene2 qbank */
.qbank{width:100%;max-width:370px;display:flex;flex-direction:column;gap:12px}
.qrow{display:flex;align-items:center;gap:14px;padding:15px 17px;border-radius:13px;background:var(--paper);border:1px solid var(--line)}
.qrow .tick{width:25px;height:25px;border-radius:50%;border:2px solid var(--line-strong);flex:0 0 auto;display:grid;place-items:center}
.qrow.done .tick{background:var(--green);border-color:var(--green)}
.qrow.done .tick svg{width:13px;height:13px}
.qrow .ln{height:9px;border-radius:5px;background:var(--sand-deep);flex:1}
.qrow.done .ln{background:linear-gradient(90deg,rgba(46,139,87,.5),transparent)}
.qrow small{font-family:'Newsreader';font-size:12px;letter-spacing:.04em;color:var(--muted-2)}

/* scene3 mock */
.mock{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:center}
.ring{position:relative;width:154px;height:154px}
.ring svg{transform:rotate(-90deg)}
.ring .val{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring .val b{font-family:'Fraunces';font-weight:400;font-size:34px;display:block}
.ring .val span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.mock .qlist{display:flex;flex-direction:column;gap:11px}
.mock .qlist div{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--muted)}
.mock .qlist i{width:8px;height:8px;border-radius:50%;background:var(--green)}

/* scene4 pass */
.pass{text-align:center;position:relative}
.seal{width:128px;height:128px;border-radius:50%;margin:0 auto 22px;display:grid;place-items:center;position:relative;
  background:radial-gradient(circle at 36% 30%,#3FBE7A,var(--green));box-shadow:0 0 0 8px rgba(46,139,87,.16),0 24px 50px -12px rgba(46,139,87,.55)}
.seal svg{width:58px;height:58px}
.pass h4{font-family:'Fraunces';font-weight:500;font-size:44px;letter-spacing:.02em;color:var(--green-deep)}
.pass .grade{margin-top:8px;font-size:16px;color:var(--muted)}
.pass .grade b{color:var(--gold);font-family:'Fraunces';font-weight:500}
.spark{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--gold-bright);opacity:0}
.scene.show .spark{animation:spark 1.4s var(--ease) forwards}
@keyframes spark{0%{opacity:0;transform:scale(0)}40%{opacity:1}100%{opacity:0;transform:scale(1.4) translateY(-30px)}}

/* ================= HORIZONTAL COURSES ================= */
.hscroll{position:relative;background:var(--sand)}
.h-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.h-head{max-width:var(--maxw);margin:0 auto 36px;padding:0 30px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.h-head h2{font-size:clamp(34px,5vw,60px);font-weight:400}
.h-head h2 em{font-style:italic;color:var(--gold)}
.h-head p{font-size:17px;color:var(--muted);max-width:34ch}
.course-sembar{max-width:var(--maxw);margin:0 auto 30px;padding:0 30px}
/* shared semester selector (segmented pills) */
.sembar{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.sembar-lbl{font-family:'Newsreader',Georgia,serif;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2)}
.sembar-pills{display:inline-flex;background:var(--paper-2);border:1px solid var(--line);border-radius:100px;padding:4px;gap:2px}
.sempill{font-family:'Newsreader',Georgia,serif;font-size:15px;color:var(--muted);background:transparent;border:0;border-radius:100px;padding:8px 20px;cursor:pointer;transition:.18s;white-space:nowrap}
.sempill:hover{color:var(--ink)}
.sempill.active{background:var(--ink-deep);color:var(--paper-2)}
.htrack{display:flex;gap:26px;padding:0 30px;will-change:transform}
.hcard{flex:0 0 360px;background:var(--paper-2);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.hcard .code{font-family:'Fraunces';font-weight:300;font-size:64px;line-height:1;color:var(--ink);letter-spacing:-.03em}
.hcard .code em{font-style:normal;color:var(--gold)}
.hcard h3{font-size:24px;font-weight:500;margin:14px 0 8px}
.hcard p{font-size:16px;color:var(--muted);line-height:1.5;min-height:72px}
.hcard .tags{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.hcard .tags span{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:100px;padding:5px 12px}
.hcard .arrow{position:absolute;top:30px;right:30px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:.3s}
.hcard:hover .arrow{background:var(--ink-deep);border-color:var(--ink-deep)}
.hcard:hover .arrow svg{stroke:var(--paper-2)}
.hcard .arrow svg{width:16px;height:16px;stroke:var(--ink);transition:.3s}
.h-hint{max-width:var(--maxw);margin:34px auto 0;padding:0 30px;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);display:flex;align-items:center;gap:12px}
.h-rail{flex:1;height:2px;background:var(--line);border-radius:2px;position:relative;overflow:hidden;max-width:240px}
.h-rail i{position:absolute;left:0;top:0;height:100%;width:30%;background:var(--ink);border-radius:2px}

/* ================= STACKING FEATURES ================= */
.features{padding:130px 0 60px;position:relative}
.stack{position:relative;max-width:920px;margin:0 auto}
.stack-card{position:sticky;border-radius:26px;border:1px solid var(--line);background:var(--paper-2);box-shadow:var(--shadow);
  padding:54px;margin-bottom:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;will-change:transform}
.stack-card .sc-num{font-family:'Fraunces';font-weight:300;font-size:18px;color:var(--gold);letter-spacing:.1em}
.stack-card h3{font-size:clamp(28px,3.4vw,40px);font-weight:400;margin:14px 0 14px}
.stack-card p{font-size:18px;color:var(--muted);line-height:1.55}
.stack-card .visual{height:240px;border-radius:18px;background:var(--sand);border:1px solid var(--line);position:relative;overflow:hidden;display:grid;place-items:center}
.stack-card .visual .ico{width:70px;height:70px;stroke:var(--ink);opacity:.9}
.stack-card .visual::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(60px);opacity:.22;top:-60px;right:-50px;background:var(--gold-bright)}

/* ================= PRICING ================= */
.pricing{padding:120px 0}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.tier{border:1px solid var(--line);border-radius:24px;background:var(--paper-2);padding:38px 32px;display:flex;flex-direction:column;position:relative;transition:transform .4s var(--ease),box-shadow .4s}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.tier.feat{background:var(--ink-deep);color:var(--paper);border-color:var(--ink-deep);box-shadow:var(--shadow)}
.tier .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--gold-bright);color:#2a1d04;font-family:'Newsreader';font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding:6px 16px;border-radius:100px}
.tier .tname{font-size:17px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tier.feat .tname{color:rgba(246,242,233,.6)}
.tier .price{font-family:'Fraunces';font-weight:300;font-size:58px;line-height:1;margin:18px 0 6px;letter-spacing:-.03em}
.tier .price .cur{font-size:22px;vertical-align:super;color:var(--muted)}
.tier.feat .price .cur{color:rgba(246,242,233,.6)}
.tier .pdesc{font-size:15.5px;color:var(--muted);margin-bottom:26px;min-height:46px}
.tier.feat .pdesc{color:rgba(246,242,233,.7)}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:30px;flex:1}
.tier li{display:flex;gap:12px;font-size:16px;color:var(--ink)}
.tier.feat li{color:rgba(246,242,233,.92)}
.tier li svg{width:19px;height:19px;flex:0 0 auto;margin-top:4px;stroke:var(--green)}
.tier.feat li svg{stroke:var(--gold-bright)}
.tier .btn{width:100%;justify-content:center}
.tier.feat .btn-primary{background:var(--gold-bright);color:#2a1d04}
.tier.feat .btn-primary:hover{background:#f2b945}

/* ================= FINAL ================= */
.final{padding:60px 0 130px}
.final-card{position:relative;overflow:hidden;border-radius:30px;background:var(--ink-deep);color:var(--paper);text-align:center;padding:90px 40px}
.final-card::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 100% at 50% 0,rgba(232,169,46,.22),transparent 60%),radial-gradient(60% 100% at 50% 120%,rgba(46,139,87,.22),transparent 60%)}
.final-card .emblem-wm{position:absolute;width:560px;opacity:.06;right:-120px;bottom:-160px;pointer-events:none}
.final-card>*{position:relative;z-index:2}
.final-card h2{font-size:clamp(38px,6vw,76px);font-weight:400;margin-bottom:18px;color:var(--paper)}
.final-card h2 em{font-style:italic;color:var(--gold-bright)}
.final-card p{font-size:20px;color:rgba(246,242,233,.75);max-width:48ch;margin:0 auto 36px}
.final-card .btn-primary{background:var(--gold-bright);color:#2a1d04}
.final-card .btn-primary:hover{background:#f2b945}

/* ================= FOOTER ================= */
footer{border-top:1px solid var(--line);padding:64px 0 48px;color:var(--muted)}
.foot{display:flex;justify-content:space-between;gap:50px;flex-wrap:wrap}
.foot .brand img{height:46px}
.foot-left p{font-size:15.5px;max-width:32ch;margin-top:14px;line-height:1.6;color:var(--muted)}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-col h5{font-family:'Newsreader';font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.foot-col a{display:block;font-size:16px;margin-bottom:11px;color:var(--muted);transition:color .2s}
.foot-col a:hover{color:var(--gold)}
.foot-base{margin-top:54px;padding-top:26px;border-top:1px solid var(--line);font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.foot-legal{display:inline-flex;gap:20px}
.foot-legal a{color:var(--muted);border-bottom:1px solid transparent;transition:.2s}
.foot-legal a:hover{color:var(--ink);border-bottom-color:var(--line-strong)}

/* legal pages (privacy / terms) */
.legal{padding:8px 0 60px}
.legal-grid{display:grid;grid-template-columns:230px 1fr;gap:50px;align-items:start;max-width:1040px;margin:0 auto}
.legal-toc{position:sticky;top:96px}
.legal-toc .tt{font-family:'Newsreader';font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.legal-toc a{display:block;font-size:14.5px;color:var(--muted);padding:7px 0 7px 14px;border-left:2px solid var(--line);line-height:1.4;transition:.18s}
.legal-toc a:hover{color:var(--ink);border-left-color:var(--line-strong)}
.legal-toc a.active{color:var(--gold);border-left-color:var(--gold);font-weight:500}
.legal-body{max-width:680px}
.legal-body .updated{font-size:14px;color:var(--muted-2);margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.legal-body .intro{font-size:18px;line-height:1.66;color:var(--ink);margin-bottom:14px}
.legal-sec{padding:26px 0;border-top:1px solid var(--line-soft)}
.legal-sec:first-of-type{border-top:0}
.legal-sec h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:23px;color:var(--ink);margin-bottom:14px;scroll-margin-top:96px;display:flex;gap:12px;align-items:baseline}
.legal-sec h2 .num{font-size:14px;color:var(--gold);font-family:'Newsreader';font-weight:500;flex:0 0 auto}
.legal-sec h3{font-family:'Newsreader';font-weight:600;font-size:16.5px;color:var(--ink);margin:18px 0 6px}
.legal-sec p{font-size:16px;line-height:1.68;color:var(--muted);margin-bottom:12px}
.legal-sec p strong{color:var(--ink);font-weight:600}
.legal-sec a{color:var(--gold);border-bottom:1px solid currentColor}
.legal-sec ul{margin:0 0 14px;padding-left:4px;list-style:none}
.legal-sec li{position:relative;font-size:16px;line-height:1.6;color:var(--muted);padding:5px 0 5px 22px}
.legal-sec li::before{content:"";position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.legal-sec li strong{color:var(--ink);font-weight:600}
.legal-callout{background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:12px;padding:16px 20px;margin:6px 0 14px}
.legal-callout p{margin:0;font-size:15px;color:var(--ink)}
@media(max-width:880px){.legal-grid{grid-template-columns:1fr;gap:24px}.legal-toc{position:static;display:none}}

/* booking modal */
.bk-modal .field{margin-bottom:14px}
.bk-modal select,.bk-modal input,.bk-modal textarea{width:100%;font-family:'Newsreader';font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:11px;padding:11px 13px;transition:.18s}
.bk-modal textarea{min-height:80px;resize:vertical;line-height:1.5}
.bk-modal select:focus,.bk-modal input:focus,.bk-modal textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(176,126,32,.12)}
.bk-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.bk-2col{grid-template-columns:1fr}}

/* tutor session rows (status-driven) */
.bk-list{display:flex;flex-direction:column}
.bk-empty{color:var(--muted);font-size:15px;padding:6px 0}
.bk-item{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line-soft)}
.bk-item:first-child{border-top:0}
.bk-item .av{width:42px;height:42px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:15px;color:var(--paper-2);background:linear-gradient(150deg,var(--navy),var(--ink-deep))}
.bk-item .bi{flex:1;min-width:0}
.bk-item .bi b{font-family:'Newsreader';font-weight:600;font-size:16px;color:var(--ink)}
.bk-item .bi .det{font-size:13.5px;color:var(--muted-2);margin-top:2px;line-height:1.5}
.bk-item .bi .msg{font-size:14px;color:var(--muted);margin-top:6px;font-style:italic}
.bk-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.bk-acts{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.bk-acts button{font-family:'Newsreader';font-size:13.5px;border-radius:9px;padding:7px 12px;cursor:pointer;border:1px solid var(--line-strong);background:transparent;color:var(--ink);transition:.16s}
.bk-acts button:hover{background:rgba(27,42,60,.06)}
.bk-acts button.acc{background:var(--ink-deep);color:var(--paper-2);border-color:var(--ink-deep)}
.bk-acts button.acc:hover{background:var(--navy)}
.bk-acts button.dec:hover{border-color:#b3402f;color:#b3402f}
.bk-status{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-family:'Newsreader';border-radius:100px;padding:4px 11px;white-space:nowrap}
.bk-status.requested{color:var(--gold);background:rgba(176,126,32,.12)}
.bk-status.accepted{color:var(--green-deep);background:rgba(46,139,87,.12)}
.bk-status.completed{color:var(--muted);background:rgba(27,42,60,.07)}
.bk-status.declined,.bk-status.cancelled{color:#b3402f;background:rgba(179,64,47,.1)}

/* reveal */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0)*80ms)}
[data-reveal].in{opacity:1;transform:none}

/* ================= FAQ ================= */
.faq{padding:40px 0 20px}
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:transparent;border:0;cursor:pointer;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 6px;font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:clamp(20px,2.4vw,26px);color:var(--ink);letter-spacing:-.01em}
.faq-q:hover{color:var(--gold)}
.faq-q .pm{flex:0 0 auto;width:26px;height:26px;position:relative;transition:transform .4s var(--ease)}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--gold);border-radius:2px;transition:opacity .3s,transform .3s}
.faq-q .pm::before{top:12px;left:3px;right:3px;height:2px}
.faq-q .pm::after{left:12px;top:3px;bottom:3px;width:2px}
.faq-item.open .pm::after{opacity:0}
.faq-item.open .pm{transform:rotate(180deg)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .5s var(--ease)}
.faq-a-inner{padding:0 6px 28px;font-size:17.5px;color:var(--muted);line-height:1.6;max-width:64ch}

/* ================= TESTIMONIALS ================= */
.quotes{padding:90px 0 30px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qcard{background:var(--paper-2);border:1px solid var(--line);border-radius:22px;padding:32px 30px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-sm)}
.qcard .stars{display:flex;gap:3px;color:var(--gold-bright)}
.qcard .stars svg{width:17px;height:17px;fill:currentColor;stroke:none}
.qcard blockquote{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:20px;line-height:1.4;color:var(--ink);letter-spacing:-.01em}
.qcard .who{margin-top:auto;font-family:'Newsreader';font-size:14px;color:var(--muted-2);letter-spacing:.02em}

/* ================= MODAL ================= */
.modal-overlay{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(20,34,53,.55);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .35s var(--ease)}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal{position:relative;width:100%;max-width:452px;background:var(--paper-2);border:1px solid var(--line);border-radius:26px;
  box-shadow:var(--shadow);padding:42px 38px 36px;transform:translateY(18px) scale(.97);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease)}
.modal-overlay.open .modal{transform:none;opacity:1}
.modal .x{position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--muted);transition:.25s}
.modal .x:hover{background:rgba(27,42,60,.05);color:var(--ink);border-color:var(--ink)}
.modal .x svg{width:16px;height:16px}
.modal .eyebrow{display:block;margin-bottom:14px}
.modal h3{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:30px;line-height:1.06;letter-spacing:-.02em;color:var(--ink);margin-bottom:10px}
.modal h3 em{font-style:italic;color:var(--gold)}
.modal .lede{font-size:16px;color:var(--muted);line-height:1.5;margin-bottom:24px}
.field{margin-bottom:14px}
.field label{display:block;font-family:'Newsreader';font-size:13px;letter-spacing:.04em;color:var(--muted-2);margin-bottom:7px}
.field input,.field select{width:100%;font-family:'Newsreader';font-size:16.5px;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:13px;padding:13px 15px;transition:border-color .25s,box-shadow .25s}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(176,126,32,.12)}
.field.err input{border-color:#c0473a;box-shadow:0 0 0 4px rgba(192,71,58,.1)}
.modal .submit{width:100%;justify-content:center;margin-top:6px}
.modal .fineprint{margin-top:14px;font-size:13px;color:var(--muted-2);text-align:center;line-height:1.45}
.modal .formerr{font-size:14px;color:#c0473a;margin-top:12px;text-align:center;display:none}
.modal .formerr.show{display:block}
.modal-success{text-align:center;padding:14px 0 6px;display:none}
.modal-success.show{display:block}
.modal-success .seal-s{width:78px;height:78px;border-radius:50%;margin:0 auto 20px;display:grid;place-items:center;
  background:radial-gradient(circle at 36% 30%,#3FBE7A,var(--green));box-shadow:0 0 0 7px rgba(46,139,87,.14),0 18px 38px -12px rgba(46,139,87,.5)}
.modal-success .seal-s svg{width:38px;height:38px}
.modal-success h3{margin-bottom:10px}
.modal-success p{font-size:16px;color:var(--muted);line-height:1.55;max-width:34ch;margin:0 auto}
.modal-form.hide{display:none}
body.modal-open{overflow:hidden}

/* ================= RESPONSIVE ================= */
@media(max-width:980px){
  .nav-mid,.nav-right .lang,.nav-right .signin{display:none}
  .quote-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .menu-btn{display:inline-flex}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .stat{padding:14px 24px}.stat:nth-child(3){border-left:0}
  .j-inner{grid-template-columns:1fr;gap:34px}.stage{height:340px;order:-1}
  .hcard{flex-basis:300px}
  .stack-card{grid-template-columns:1fr;padding:36px}.stack-card .visual{order:-1;height:180px}
  .tiers{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .cd-inner{justify-content:center;text-align:center}
}
@media(max-width:560px){
  body{font-size:17px}
  .wrap,.nav-bar{padding-left:20px;padding-right:20px}
  .nav-right .btn-primary{display:none}
  .brand img{height:36px}
  .hero .emblem-wm{display:none}
  .stats-grid{grid-template-columns:1fr}.stat{border-left:0;border-top:1px solid var(--line);padding:22px 0}
  .stat:first-child{border-top:0}
  .cd-timer{gap:8px}.cd-unit{min-width:48px}.cd-unit b{font-size:32px}.cd-sep{font-size:26px}
  .final-card{padding:60px 24px}
  .j-sticky{height:auto;position:relative;padding:40px 0}
  .j-step{opacity:1;transform:none}
  .j-step::before{background:var(--gold-bright);border-color:var(--gold-bright)}
  .h-sticky{height:auto;padding:60px 0}.htrack{flex-wrap:nowrap;overflow-x:auto;padding-bottom:16px}
  .scroll-cue{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1!important;transform:none!important}
  .hero h1 .ln>span,.hero .eyebrow,.hero p.sub,.hero-cta{opacity:1!important;transform:none!important}
}

/* ================= MOBILE MENU ================= */
.mobile-menu{display:none;flex-direction:column;padding:10px 24px 22px;background:rgba(246,242,233,.98);backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid var(--line-soft)}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:19px;padding:13px 4px;color:var(--ink);border-bottom:1px solid var(--line-soft)}
.mobile-menu a.btn{border:0;justify-content:center;margin-top:14px;color:var(--paper-2)}
@media(min-width:981px){.mobile-menu{display:none!important}}

/* ================= SUB-PAGE SHARED ================= */
.subhero{padding:150px 0 44px;text-align:center;position:relative}
.subhero .eyebrow{display:block;margin-bottom:18px}
.subhero h1{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:clamp(40px,6vw,74px);letter-spacing:-.025em;line-height:1.04;margin-bottom:18px}
.subhero h1 em{font-style:italic;color:var(--gold)}
.subhero p{font-size:19px;color:var(--muted);max-width:54ch;margin:0 auto;line-height:1.55}
.trust-row{display:flex;gap:48px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.trust-row .t b{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:34px;display:block;color:var(--ink);font-variant-numeric:tabular-nums}
.trust-row .t span{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
.cta-band{margin:40px 0 90px}
.cta-band .inner{position:relative;overflow:hidden;border-radius:26px;background:var(--ink-deep);color:var(--paper);padding:54px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band .inner::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 85% 50%,rgba(232,169,46,.2),transparent 60%)}
.cta-band .inner>*{position:relative;z-index:2}
.cta-band h3{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:clamp(26px,3.4vw,40px);line-height:1.1;max-width:18ch}
.cta-band h3 em{font-style:italic;color:var(--gold-bright)}
.cta-band p{color:rgba(246,242,233,.75);margin-top:10px;font-size:16.5px;max-width:42ch}
.cta-band .btn-primary{background:var(--gold-bright);color:#2a1d04}
.cta-band .btn-primary:hover{background:#f2b945}
@media(max-width:560px){.subhero{padding:120px 0 30px}.cta-band .inner{padding:38px 26px}}

/* ================= PRACTICE ENGINE ================= */
.pr-overlay{position:fixed;inset:0;z-index:320;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(20,34,53,.55);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .35s var(--ease)}
.pr-overlay.open{opacity:1;pointer-events:auto}
.pr{position:relative;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;background:var(--paper-2);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:34px 34px 30px;transform:translateY(18px) scale(.97);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease)}
.pr-overlay.open .pr{transform:none;opacity:1}
.pr .x{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--muted);transition:.25s}
.pr .x:hover{background:rgba(27,42,60,.05);color:var(--ink)}
.pr .x svg{width:16px;height:16px}
.pr-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:6px}
.pr-eyebrow{font-family:'Newsreader';font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.pr-count{font-family:'Newsreader';font-size:13px;color:var(--muted-2)}
.pr-progress{height:5px;border-radius:5px;background:var(--sand-deep);overflow:hidden;margin:12px 0 24px}
.pr-progress i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--navy),var(--gold));transition:width .4s var(--ease)}
.pr-q{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:23px;line-height:1.3;color:var(--ink);margin-bottom:22px}
.pr-choices{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
/* ===== study-content protection (deterrents; see assets/guard.js) ===== */
body.hmp-protected #exam-root,body.hmp-protected #lesson-root,body.hmp-protected .pr-overlay{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
body.hmp-protected input,body.hmp-protected textarea{-webkit-user-select:text;user-select:text}
.hmp-screenguard{position:fixed;inset:0;z-index:9500;background:var(--paper);display:none;place-items:center;text-align:center;padding:32px}
.hmp-screenguard .hmp-sg-in{display:flex;flex-direction:column;gap:10px;max-width:42ch}
.hmp-screenguard b{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:27px;color:var(--ink)}
.hmp-screenguard span{color:var(--muted);font-size:16px;line-height:1.5}
body.hmp-protected.hmp-hidden .hmp-screenguard{display:grid}
body.hmp-flash::after{content:'';position:fixed;inset:0;background:var(--paper);z-index:9600;pointer-events:none;animation:hmpflash .65s ease forwards}
@keyframes hmpflash{0%{opacity:1}100%{opacity:0}}
@media print{body.hmp-protected #exam-root,body.hmp-protected #lesson-root,body.hmp-protected .pr-overlay{visibility:hidden !important}body.hmp-protected::before{content:'Protected study material — printing is disabled.';display:block;padding:40px;font-family:Georgia,serif}}
.pr-code{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:14px;line-height:1.55;color:#2a2f3a;background:#f4f1ea;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:14px 16px;margin:14px 0 4px;overflow-x:auto;white-space:pre;tab-size:4}
.pr-graph{margin:16px 0 6px;display:flex;justify-content:center}
.pr-graph .hmp-graph{width:100%;max-width:400px;height:auto;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
/* difficulty ladder — question-bank selector + per-question badge */
.qb-levels{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 14px}
.qb-lvl{display:inline-flex;align-items:center;gap:7px;font-family:'Newsreader',Georgia,serif;font-size:14px;color:var(--muted);background:var(--paper);border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;cursor:pointer;transition:.16s;line-height:1}
.qb-lvl:hover{color:var(--ink);border-color:var(--ink);transform:translateY(-1px)}
.qb-lvl i{font-style:normal;font-size:12px;font-weight:600;color:var(--muted);background:rgba(27,42,60,.06);border-radius:999px;padding:2px 7px;min-width:18px;text-align:center}
.qb-lvl::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--muted);flex:0 0 auto}
.qb-lvl-easy::before{background:var(--green-deep,#2F6B4F)}
.qb-lvl-med::before{background:var(--navy,#2A4258)}
.qb-lvl-hard::before{background:var(--gold,#B0863C)}
.qb-lvl-nightmare::before{background:#B23A2E}
.qb-lvl.on{color:#fff;border-color:transparent;background:var(--ink-deep,#16222E)}
.qb-lvl.on i{color:var(--ink-deep,#16222E);background:rgba(255,255,255,.85)}
.qb-lvl.on::before{box-shadow:0 0 0 2px rgba(255,255,255,.35)}
.qb-lvlnote{font-family:'Newsreader',Georgia,serif;font-style:italic;font-size:14px;color:var(--muted);margin:-6px 0 14px;padding-left:2px}
.qb-lvlnote-nightmare{color:#9b3327}
.exam-pagemeta{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap}
.pr-kbd-hint{font-size:13px;color:var(--muted-2);font-style:italic}
.pr-kbd-hint b{font-style:normal;font-weight:600;color:var(--muted);font-family:'Newsreader',Georgia,serif}
@media(pointer:coarse){.pr-kbd-hint{display:none}}
/* exam-readiness meter (dashboard course cards) */
.rdy{width:100%}
.rdy-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.rdy-label{font-family:'Newsreader',Georgia,serif;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.rdy-score{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:26px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.rdy-score small{font-size:14px;color:var(--muted-2);font-weight:400}
.rdy-bar{height:7px;border-radius:99px;background:rgba(27,42,60,.09);margin:7px 0 8px;overflow:hidden}
.rdy-bar i{display:block;height:100%;border-radius:99px;background:var(--gold);transition:width .6s cubic-bezier(.4,0,.2,1)}
.rdy-sub{font-size:13px;color:var(--muted);line-height:1.45}
.rdy-empty{font-size:13px;color:var(--muted-2);line-height:1.45;font-style:italic}
.rdy-fix{margin-top:11px;width:100%;font-size:14px;padding:9px 14px}
.q-lvl{display:inline-block;font-family:'Newsreader',Georgia,serif;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:2px 9px;border-radius:999px;border:1px solid;line-height:1.5}
.q-lvl-easy{color:#2F6B4F;border-color:rgba(47,107,79,.4);background:rgba(47,107,79,.08)}
.q-lvl-med{color:var(--navy,#2A4258);border-color:rgba(42,66,88,.4);background:rgba(42,66,88,.08)}
.q-lvl-hard{color:#946d23;border-color:rgba(176,134,60,.45);background:rgba(176,134,60,.1)}
.q-lvl-nightmare{color:#9b3327;border-color:rgba(178,58,46,.45);background:rgba(178,58,46,.09)}
.pr-fill{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pr-num{font-family:'Newsreader';font-size:17px;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:12px;padding:12px 16px;min-width:200px;max-width:340px;outline:none;transition:.18s}
.pr-num:focus{border-color:var(--ink)}
.pr-num.correct{border-color:var(--green-deep);background:rgba(46,139,87,.06)}
.pr-num.wrong{border-color:#c0473a;background:rgba(192,71,58,.05)}
.pr-choice{text-align:left;font-family:'Newsreader';font-size:17px;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:14px;padding:15px 18px;cursor:pointer;transition:.18s;display:flex;align-items:center;gap:12px}
.pr-choice:hover:not(.locked){border-color:var(--ink);background:rgba(27,42,60,.03)}
.pr-choice .k{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;font-size:13px;flex:0 0 auto;font-family:'Newsreader';color:var(--muted)}
.pr-choice.locked{cursor:default}
.pr-choice.correct{border-color:var(--green);background:rgba(46,139,87,.08)}
.pr-choice.correct .k{background:var(--green);border-color:var(--green);color:#fff}
.pr-choice.wrong{border-color:#c0473a;background:rgba(192,71,58,.06)}
.pr-choice.wrong .k{background:#c0473a;border-color:#c0473a;color:#fff}
.pr-sol{background:rgba(27,42,60,.04);border-left:3px solid var(--gold);border-radius:0 12px 12px 0;padding:16px 18px;margin-bottom:20px;display:none}
.pr-sol.show{display:block}
.pr-sol b{font-family:'Newsreader';display:block;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.pr-sol p{font-size:16px;color:var(--ink);line-height:1.55}
.pr-actions{display:flex;justify-content:flex-end;gap:10px}
.pr-result{text-align:center;padding:14px 0}
.pr-result .score{font-family:'Fraunces',Georgia,serif;font-weight:300;font-size:64px;color:var(--ink);line-height:1}
.pr-result .score em{font-style:normal;color:var(--gold)}
.pr-result h3{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:26px;margin:14px 0 8px;color:var(--ink)}
.pr-result h3 em{font-style:italic;color:var(--gold)}
.pr-result p{color:var(--muted);font-size:16px;line-height:1.55;max-width:38ch;margin:0 auto 24px}
.pr-result .btn{justify-content:center}

/* ================= AUTH ================= */
.auth-toggle{display:flex;gap:4px;background:var(--sand);border-radius:13px;padding:4px;margin-bottom:22px}
.auth-toggle button{flex:1;font-family:'Newsreader';font-size:15.5px;color:var(--muted);background:transparent;border:0;border-radius:10px;padding:10px;cursor:pointer;transition:.2s}
.auth-toggle button.on{background:var(--paper-2);color:var(--ink);box-shadow:var(--shadow-sm)}
.nav-user{display:inline-flex;align-items:center;gap:12px}
.nav-user .av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:15px;color:var(--paper-2);background:linear-gradient(150deg,var(--navy),var(--ink-deep));cursor:pointer}
.nav-user a.dash{font-size:16.5px;color:var(--ink);cursor:pointer}
.nav-user a.dash:hover{color:var(--gold)}
.gate{max-width:440px;margin:0 auto;text-align:center;padding:150px 24px 120px}
.gate h1{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:40px;margin-bottom:14px}
.gate p{color:var(--muted);font-size:17px;margin-bottom:26px;line-height:1.55}

/* ================= LESSON PLAYER ================= */
.lz{position:relative;width:100%;max-width:720px;max-height:92vh;overflow-y:auto;background:var(--paper-2);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:0;transform:translateY(18px) scale(.97);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease)}
.pr-overlay.open .lz{transform:none;opacity:1}
.lz .x{position:absolute;top:14px;right:14px;z-index:3;width:38px;height:38px;border-radius:50%;border:1px solid rgba(246,242,233,.3);background:rgba(20,34,53,.4);cursor:pointer;display:grid;place-items:center;color:var(--paper);transition:.25s}
.lz .x:hover{background:rgba(20,34,53,.7)}
.lz .x svg{width:16px;height:16px}
.lz video,.lz iframe{width:100%;display:block;background:#0d1623;aspect-ratio:16/9;border-radius:24px 24px 0 0;border:0}
.lz-body{padding:28px 32px 30px}
.lz-eyebrow{font-family:'Newsreader';font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);display:flex;align-items:center;gap:10px}
.lz-eyebrow .free{color:var(--green-deep);background:rgba(46,139,87,.12);border-radius:100px;padding:3px 10px;letter-spacing:.06em}
.lz-body h3{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:27px;color:var(--ink);margin:10px 0 16px;line-height:1.1}
.lz-notes{border-left:3px solid var(--gold);padding:4px 0 4px 18px;margin-bottom:24px}
.lz-notes p{font-size:16.5px;color:var(--muted);line-height:1.6;margin-bottom:8px}
.lz-notes p:last-child{margin-bottom:0}
.lz-actions{display:flex;gap:12px;flex-wrap:wrap}
.lz-sample{font-size:12.5px;color:var(--muted-2);margin-top:16px;font-style:italic}

/* ================= MOCK EXAM RUNNER ================= */
.mk-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:6px}
.mk-timer{font-family:'Fraunces',Georgia,serif;font-variant-numeric:tabular-nums;font-size:21px;color:var(--ink);background:var(--sand);border-radius:10px;padding:6px 14px}
.mk-timer.low{color:#fff;background:#c0473a}
.mk-pips{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 22px}
.mk-pip{width:30px;height:30px;border-radius:8px;border:1px solid var(--line-strong);background:var(--paper);font-size:13px;font-family:'Newsreader';cursor:pointer;color:var(--muted);transition:.15s}
.mk-pip.answered{background:var(--ink-deep);color:var(--paper-2);border-color:var(--ink-deep)}
.mk-pip.current{outline:2px solid var(--gold);outline-offset:1px}
.pr-choice.selected{border-color:var(--ink);background:rgba(27,42,60,.05)}
.pr-choice.selected .k{background:var(--ink-deep);color:#fff;border-color:var(--ink-deep)}
/* multi-select questions: square badge to signal "choose all that apply" */
.pr-choice.multi .k{border-radius:6px}
.pr-choice.multi.selected .k{background:var(--ink-deep);border-color:var(--ink-deep)}
.pr-choice.multi.selected .k::after{content:"✓";color:#fff;font-size:14px}
.pr-choice.multi .k{color:transparent}
.mk-nav{display:flex;justify-content:space-between;gap:10px;margin-top:8px}
.mk-rev{border-top:1px solid var(--line);padding:16px 2px}
.mk-rev .rq{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:17px;color:var(--ink);margin-bottom:8px}
.mk-rev .ra{font-size:14.5px;margin-bottom:4px;font-family:'Newsreader'}
.mk-rev .ra.ok{color:var(--green-deep)}
.mk-rev .ra.no{color:#c0473a}
.mk-rev .rs{font-size:14.5px;color:var(--ink);background:rgba(27,42,60,.04);border-left:3px solid var(--gold);padding:10px 12px;border-radius:0 8px 8px 0;margin-top:6px;line-height:1.5}

/* ================= LOGGED-IN APP SHELL ================= */
.app-sidebar{display:none}
body.app-mode{padding-left:248px}
body.app-mode #nav{display:none!important}
body.app-mode footer{display:none}
body.app-mode .progress{display:none}
body.app-mode .app-sidebar{display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;width:248px;background:var(--paper-2);border-right:1px solid var(--line);padding:24px 16px;z-index:140}
.as-brand{display:block;margin:4px 8px 26px}
.as-brand img{height:34px;width:auto}
.as-nav{display:flex;flex-direction:column;gap:3px}
.as-nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;font-family:'Newsreader';font-size:16.5px;color:var(--ink);transition:.15s}
.as-nav a svg{width:19px;height:19px;stroke:var(--muted);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.as-nav a:hover{background:rgba(27,42,60,.05)}
.as-nav a.active{background:var(--ink-deep);color:var(--paper-2)}
.as-nav a.active svg{stroke:var(--paper-2)}
.as-nav a.locked{opacity:.5}
.as-nav a.locked .lbl{color:var(--muted)}
.as-nav a .as-lock{margin-left:auto;display:inline-flex}
.as-nav a .as-lock svg{width:13px;height:13px;stroke:var(--muted-2)}
.as-nav a.active .as-lock svg{stroke:var(--paper-2)}
/* shared locked / upsell panel (study pages a plan doesn't include) */
.lockwrap{padding:150px 0 90px;max-width:760px}
.lockpanel{background:var(--paper-2);border:1px solid var(--line);border-radius:22px;padding:44px 38px;text-align:center}
.lockpanel .ic{width:54px;height:54px;border-radius:50%;background:rgba(27,42,60,.06);display:grid;place-items:center;margin:0 auto 18px}
.lockpanel .ic svg{width:24px;height:24px;stroke:var(--ink);fill:none;stroke-width:1.7}
.lockpanel h1{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:28px;margin-bottom:10px}
.lockpanel p{color:var(--muted);font-size:16.5px;line-height:1.55;max-width:46ch;margin:0 auto 24px}
.lockpanel .plan-tag{display:inline-block;font-family:'Newsreader';font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);border:1px solid var(--line);border-radius:100px;padding:5px 13px;margin-bottom:20px}
.lockpanel .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.as-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:12px}
.as-user{display:flex;align-items:center;gap:11px;padding:8px 14px;border-radius:12px}
.as-user:hover{background:rgba(27,42,60,.05)}
.as-user .av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:14px;color:var(--paper-2);background:linear-gradient(150deg,var(--navy),var(--ink-deep));flex:0 0 auto}
.as-user .nm{font-family:'Newsreader';font-size:15px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.as-logout{display:block;padding:9px 14px;margin-top:4px;font-family:'Newsreader';font-size:14.5px;color:var(--muted);cursor:pointer}
.as-logout:hover{color:#c0473a}
/* theme toggle row in the sidebar (overrides the round .theme-toggle base) */
.as-theme{display:flex;align-items:center;gap:11px;width:100%;height:auto;border-radius:11px;border:1px solid var(--line);background:transparent;color:var(--muted);font-family:'Newsreader',Georgia,serif;font-size:14.5px;padding:10px 14px;justify-content:flex-start;cursor:pointer;margin-bottom:10px;transition:.15s}
.as-theme:hover{color:var(--ink);border-color:var(--line-strong);background:rgba(127,127,127,.07)}
.as-theme svg{width:18px;height:18px;flex:0 0 auto}
body.sidebar-collapsed .as-theme{justify-content:center;padding:10px 0;gap:0}
body.sidebar-collapsed .as-theme span{display:none}
@media(max-width:900px){.as-foot .as-theme{width:38px;height:38px;border-radius:50%;justify-content:center;padding:0;margin:0;flex:0 0 auto}.as-foot .as-theme span{display:none}}
/* trim the big top padding (meant to clear the marketing nav) in app mode */
body.app-mode .subhero,body.app-mode .dash,body.app-mode .acct,body.app-mode .chead,body.app-mode .tools-page,body.app-mode .tutors,body.app-mode .gp,body.app-mode .qbp,body.app-mode .mc,body.app-mode .lockwrap{padding-top:54px!important}
@media(max-width:900px){
  body.app-mode{padding-left:0;padding-top:60px}
  body.app-mode .app-sidebar{flex-direction:row;top:0;left:0;right:0;bottom:auto;width:100%;height:60px;padding:0 14px;align-items:center;gap:4px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);backdrop-filter:blur(12px);background:rgba(251,248,241,.96)}
  .as-brand{margin:0 10px 0 0}.as-brand img{height:23px}
  .as-nav{flex-direction:row;gap:2px}
  .as-nav a{padding:9px 11px;font-size:14.5px;white-space:nowrap}
  .as-nav a .lbl{display:none}
  .as-foot{margin:0 0 0 auto;border-top:0;padding-top:0;display:flex;align-items:center;gap:4px}
  .as-foot .as-logout{display:none}
  .as-user .nm{display:none}
}

/* tutor role switcher in the student sidebar */
.as-switch{display:block;margin:0 0 10px;padding:10px 14px;border-radius:11px;border:1px solid var(--line);font-family:'Newsreader';font-size:14.5px;color:var(--ink);text-align:center;transition:.15s}
.as-switch:hover{background:var(--ink-deep);color:var(--paper-2);border-color:var(--ink-deep)}
@media(max-width:900px){.as-foot .as-switch{display:none}}

/* toast */
.hmp-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--ink-deep);color:var(--paper-2);font-family:'Newsreader';font-size:15.5px;padding:13px 22px;border-radius:13px;box-shadow:var(--shadow);z-index:10000;opacity:0;transition:opacity .3s,transform .3s;max-width:90vw;text-align:center}
.hmp-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.hmp-toast.err{background:#c0473a;color:#fff}

/* ================= COLLAPSIBLE APP SIDEBAR ================= */
.as-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 24px;padding:0 14px}
.as-head .as-brand{margin:0}
.as-brand .bmini{display:none;height:26px;width:26px}
.as-toggle{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-size:15px;line-height:1;flex:0 0 auto;display:grid;place-items:center}
.as-toggle:hover{background:rgba(27,42,60,.06);color:var(--ink)}
@media(min-width:901px){
  body.sidebar-collapsed{padding-left:78px}
  body.sidebar-collapsed .app-sidebar{width:78px;padding:24px 13px}
  body.sidebar-collapsed .as-head{flex-direction:column;gap:14px;padding:0;margin-bottom:22px}
  body.sidebar-collapsed .as-brand .bfull{display:none}
  body.sidebar-collapsed .as-brand .bmini{display:block}
  body.sidebar-collapsed .as-nav a{justify-content:center;padding:11px 0;gap:0}
  body.sidebar-collapsed .as-nav a .lbl{display:none}
  body.sidebar-collapsed .as-switch{display:none}
  body.sidebar-collapsed .as-user{justify-content:center;padding:8px 0}
  body.sidebar-collapsed .as-user .nm{display:none}
  body.sidebar-collapsed .as-logout{text-align:center;font-size:0}
  body.sidebar-collapsed .as-sectionlabel{display:none}
}
@media(max-width:900px){.as-toggle{display:none}}

/* math notation — stacked fractions, roots, super/subscripts */
.mfrac{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;vertical-align:-0.45em;text-align:center;line-height:1.05;margin:0 .12em;font-feature-settings:"tnum" 1;font-variant-numeric:tabular-nums}
.mfrac .mn{display:block;padding:0 .28em 1px;border-bottom:1.5px solid currentColor}
.mfrac .md{display:block;padding:1px .28em 0}
.msqrt{display:inline-block;border-top:1.5px solid currentColor;padding:1px .15em 0 .1em;margin-left:.06em;position:relative}
.msqrt::before{content:"√";margin-left:-.62em;margin-right:.04em;font-size:1.05em}
.pr-q sup,.pr-choice sup,.rq sup,.mk-rev sup,.lz-notes sup{font-size:.72em;vertical-align:.5em;line-height:0}
.pr-q sub,.pr-choice sub,.rq sub,.mk-rev sub,.lz-notes sub{font-size:.72em;vertical-align:-.3em;line-height:0}

/* ===== EHL exam-style layout (mirrors the LMS attempt-review structure) ===== */
/* question meta header: "Question N · state · Mark X out of Y" */
.ex-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--line);border-radius:12px;padding:11px 16px;margin-bottom:18px;background:var(--paper-2)}
.ex-meta .qn{font-family:'Newsreader';font-weight:600;font-size:15px;color:var(--ink)}
.ex-meta .mk{font-family:'Newsreader';font-size:13px;color:var(--muted-2);margin-left:auto;font-variant-numeric:tabular-nums}
.ex-state{font-family:'Newsreader';font-size:12px;letter-spacing:.04em;text-transform:uppercase;border-radius:100px;padding:3px 11px}
.ex-state.correct{color:var(--green-deep);background:rgba(46,139,87,.12)}
.ex-state.incorrect{color:#b3402f;background:rgba(179,64,47,.1)}
.ex-state.partial{color:var(--gold);background:rgba(176,126,32,.12)}
.ex-state.pending{color:var(--muted-2);background:rgba(27,42,60,.06)}
/* stem in a faint tinted box like the exam */
.ex-stem{background:rgba(27,42,60,.035);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px;margin-bottom:18px}
.ex-stem .pr-q{margin-bottom:0}
.ex-selone{font-family:'Newsreader';font-size:14px;color:var(--muted);margin-bottom:10px}
/* feedback box (cream), mirrors "Your answer is correct. The correct answer is:" */
.ex-fb{border-radius:12px;padding:15px 18px;margin-bottom:20px;display:none;border:1px solid}
.ex-fb.show{display:block}
.ex-fb.ok{background:rgba(46,139,87,.07);border-color:rgba(46,139,87,.25)}
.ex-fb.no{background:rgba(232,169,46,.08);border-color:rgba(176,126,32,.28)}
.ex-fb .verdict{font-family:'Newsreader';font-weight:600;font-size:15px;margin-bottom:4px}
.ex-fb.ok .verdict{color:var(--green-deep)}
.ex-fb.no .verdict{color:var(--gold)}
.ex-fb .ans{font-size:15px;color:var(--ink);margin-bottom:8px}
.ex-fb .ans b{font-weight:600}
.ex-fb .sol{font-size:15px;color:var(--muted);line-height:1.6;border-top:1px solid var(--line-soft);padding-top:10px;margin-top:8px}
.ex-fb .sol .lbl{display:block;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-bottom:4px}
/* information / instructions block + part header */
.ex-info{background:rgba(27,42,60,.035);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:18px}
.ex-info h4{font-family:'Newsreader';font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.ex-info p{font-size:15.5px;color:var(--ink);line-height:1.6;margin-bottom:8px}
.ex-info ul{margin:0 0 6px;padding-left:2px;list-style:none}
.ex-info li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);line-height:1.55;margin-bottom:4px}
.ex-info li::before{content:"";position:absolute;left:3px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--gold)}
.ex-part{font-family:'Newsreader';font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:8px;margin:6px 0 16px}
/* grade summary table (attempt-review header) */
.ex-grade{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 auto 22px;max-width:420px}
.ex-grade .row{display:flex;justify-content:space-between;gap:14px;padding:10px 18px;border-top:1px solid var(--line-soft);font-size:15px}
.ex-grade .row:first-child{border-top:0}
.ex-grade .row .k{color:var(--muted)}
.ex-grade .row .v{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.ex-grade .row.big .v{color:var(--gold);font-size:17px}

/* ===== dedicated full-page mock exam (exam.html) ===== */
.exam-page{background:var(--paper);min-height:100dvh}
.exam-page .progress,.exam-page .grain{display:none}
.exam-top{position:sticky;top:0;z-index:50;background:var(--paper-2);border-bottom:1px solid var(--line)}
.exam-top-in{max-width:820px;margin:0 auto;padding:13px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.exam-id .course{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:18px;color:var(--ink);line-height:1.1;display:flex;align-items:center;gap:8px}
.exam-id .course .live-dot{font-family:'Newsreader';font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--green-deep);background:rgba(46,139,87,.12);border-radius:100px;padding:2px 8px}
.exam-id .title{font-size:12px;color:var(--muted-2);letter-spacing:.05em;text-transform:uppercase;margin-top:3px}
.exam-timer{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:25px;color:var(--ink);font-variant-numeric:tabular-nums;background:var(--paper);border:1px solid var(--line-strong);border-radius:12px;padding:5px 16px;min-width:92px;text-align:center}
.exam-timer.low{color:#c0473a;border-color:#c0473a}
.exam-exit{font-size:14.5px;color:var(--muted);border-bottom:1px solid var(--line-strong)}
.exam-exit:hover{color:var(--ink)}
.exam-progress{height:4px;background:var(--sand-deep)}
.exam-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--navy),var(--gold));transition:width .35s var(--ease)}
.exam-shell{max-width:760px;margin:0 auto;padding:36px 30px 100px}
.exam-h1{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:clamp(30px,5vw,44px);letter-spacing:-.02em;line-height:1.05;margin-bottom:12px}
.exam-h1 em{font-style:italic;color:var(--gold)}
.exam-lede{font-size:17px;color:var(--muted);line-height:1.55;margin-bottom:24px;max-width:54ch}
.exam-pagemeta{font-family:'Newsreader';font-size:13.5px;color:var(--muted-2);letter-spacing:.02em;margin-bottom:24px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.exam-q{padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line)}
.exam-q:last-of-type{border-bottom:0;margin-bottom:14px}
.exam-q .pr-q{font-size:21px}
.exam-actions{text-align:center;margin-top:10px}
.exam-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:6px}
.exam-nav>span{flex:0 0 auto}
.exam-nav .btn{min-width:158px;justify-content:center}
.exam-submitnow{text-align:center;margin-top:16px;font-size:13.5px;color:var(--muted-2)}
.exam-submitnow a{color:var(--gold);border-bottom:1px solid currentColor;cursor:pointer}
.exam-loading,.exam-empty{max-width:760px;margin:0 auto;padding:90px 30px;text-align:center;color:var(--muted)}
.exam-empty p{font-size:17px;margin-bottom:20px}
.exam-result-head{text-align:center;padding:14px 0 8px;border-bottom:1px solid var(--line);margin-bottom:30px}
.exam-result-head .score{font-family:'Fraunces',Georgia,serif;font-weight:300;font-size:68px;color:var(--ink);line-height:1}
.exam-result-head .score em{font-style:normal;color:var(--gold)}
.exam-result-head h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:26px;margin:12px 0 18px;color:var(--ink)}
.exam-result-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.exam-result-btns .btn{min-width:120px;justify-content:center}
.exam-review-h{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:22px;margin:6px 0 18px;color:var(--ink)}
.exam-topics{border-top:1px solid var(--line);margin:0 0 34px}
.tb-row{display:flex;align-items:center;gap:14px;padding:10px 2px;border-bottom:1px solid var(--line-soft)}
.tb-t{flex:0 0 auto;width:210px;font-family:'Newsreader';font-size:15px;color:var(--ink)}
.tb-bar{flex:1;height:7px;border-radius:6px;background:var(--sand-deep);overflow:hidden}
.tb-bar i{display:block;height:100%;border-radius:6px}
.tb-n{flex:0 0 auto;width:52px;text-align:right;font-variant-numeric:tabular-nums;font-size:14px;color:var(--muted-2)}
@media(max-width:600px){.tb-t{width:130px}}
@media(max-width:560px){.exam-top-in{padding:11px 18px}.exam-shell{padding:26px 18px 90px}.exam-timer{font-size:21px;min-width:78px}.exam-nav .btn{min-width:0;flex:1}}
/* question bank rendered as a full-page exam (overlay takeover, no blur/card) */
.pr-overlay.pr-page{display:block;padding:0;background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none;overflow-y:auto;-webkit-overflow-scrolling:touch}
.pr-overlay.pr-page>#pr-body{min-height:100%}
.exam-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--muted);transition:.2s;flex:0 0 auto}
.exam-close:hover{background:rgba(27,42,60,.06);color:var(--ink)}
.exam-close svg{width:16px;height:16px}

/* ===== keyboard accessibility: visible focus ring (mouse clicks unaffected) ===== */
a:focus-visible,button:focus-visible,.btn:focus-visible,.pr-choice:focus-visible,
.chip:focus-visible,.chip-c:focus-visible,input:focus-visible,select:focus-visible,
textarea:focus-visible,[tabindex]:focus-visible,.mk-pip:focus-visible,.exam-close:focus-visible,
.as-nav a:focus-visible,.nav-mid a:focus-visible{
  outline:2px solid var(--gold-bright);outline-offset:2px;border-radius:8px;
}
.pr-choice:focus-visible{outline-offset:-2px}

/* mega-menu "coming soon" note for foundation semesters */
.mega-soon-note{grid-column:1/-1;font-family:'Newsreader';font-size:14px;line-height:1.5;color:var(--muted);background:rgba(27,42,60,.04);border:1px solid var(--line-soft);border-radius:12px;padding:12px 14px;margin-bottom:6px}

/* F&F (friends & family) godmode toggle — bottom-right, subtle until hovered */
.fnf-fab{position:fixed;right:16px;bottom:16px;z-index:400;display:flex;align-items:center;gap:8px;opacity:.22;transition:opacity .22s var(--ease)}
.fnf-fab:hover,.fnf-fab.open,.fnf-fab.on{opacity:1}
.fnf-btn{font-family:'Newsreader';font-size:12px;letter-spacing:.1em;color:var(--muted);background:var(--paper-2);border:1px solid var(--line-strong);border-radius:100px;padding:7px 13px;cursor:pointer;box-shadow:var(--shadow-sm);transition:.18s}
.fnf-btn:hover{color:var(--ink);border-color:var(--ink)}
.fnf-fab.on .fnf-btn{background:var(--gold-bright);color:#2a1d04;border-color:var(--gold-bright)}
.fnf-pop{display:none;align-items:center;gap:4px;background:var(--paper-2);border:1px solid var(--line-strong);border-radius:100px;padding:4px 4px 4px 14px;box-shadow:var(--shadow-sm)}
.fnf-fab.open .fnf-pop{display:flex}
.fnf-pop input{border:0;background:transparent;font-family:'Newsreader';font-size:14px;width:108px;outline:none;color:var(--ink)}
.fnf-pop button{width:30px;height:30px;border-radius:50%;border:0;background:var(--ink-deep);color:#fff;cursor:pointer;flex:0 0 auto;font-size:15px}
@media print{.fnf-fab{display:none}}

/* ===== crash-course lesson page (lesson.html) ===== */
.ls-shell{max-width:760px}
.ls-eyebrow{font-family:'Newsreader';font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-bottom:10px}
.ls-eyebrow .ls-free{color:var(--green-deep);background:rgba(46,139,87,.12);border-radius:100px;padding:2px 9px;margin-left:6px;letter-spacing:.04em}
.ls-h1{font-family:'Fraunces',Georgia,serif;font-weight:400;font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;line-height:1.05;margin-bottom:22px}
.ls-video{position:relative;width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:var(--ink-deep);box-shadow:var(--shadow-sm)}
.ls-video iframe,.ls-video video{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover;background:#000}
.ls-sample{font-size:13.5px;color:var(--muted-2);margin-top:10px;font-style:italic}
.ls-sec{margin-top:40px}
.ls-sec h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:24px;color:var(--ink);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.ls-notes p{font-size:17px;line-height:1.72;color:var(--ink);margin-bottom:16px}
.ls-notes p.ls-blurb{font-size:18.5px;color:var(--muted);line-height:1.6}
.ls-notes b{font-weight:600;color:var(--ink)}
.ls-tips{list-style:none;margin:0 0 20px;padding:0}
.ls-tips li{position:relative;padding:10px 0 10px 30px;font-size:16.5px;line-height:1.55;color:var(--ink);border-top:1px solid var(--line-soft)}
.ls-tips li:first-child{border-top:0}
.ls-tips li::before{content:"";position:absolute;left:2px;top:17px;width:9px;height:9px;border-radius:50%;background:var(--gold)}
.ls-watch{background:rgba(232,169,46,.08);border:1px solid rgba(176,126,32,.25);border-radius:14px;padding:16px 20px}
.ls-watch .lbl{display:block;font-family:'Newsreader';font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.ls-watch ul{list-style:none;margin:0;padding:0}
.ls-watch li{font-size:15.5px;line-height:1.55;color:var(--ink);padding:4px 0 4px 18px;position:relative}
.ls-watch li::before{content:"–";position:absolute;left:2px;color:var(--gold)}
.ls-practice{margin-top:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--ink-deep);color:var(--paper);border-radius:20px;padding:30px 34px;position:relative;overflow:hidden}
.ls-practice::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 88% 30%,rgba(232,169,46,.2),transparent 60%)}
.ls-practice>*{position:relative;z-index:2}
.ls-practice .lp-eyebrow{font-family:'Newsreader';font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-bright)}
.ls-practice h3{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:24px;margin:6px 0 6px;color:var(--paper)}
.ls-practice p{color:rgba(246,242,233,.76);font-size:15px;max-width:42ch}
.ls-practice .btn-primary{background:var(--gold-bright);color:#2a1d04}
.ls-practice .btn-primary:hover{background:#f2b945}
.ls-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:40px;border-top:1px solid var(--line);padding-top:24px}
.ls-nav .btn{min-width:170px;justify-content:center}
@media(max-width:560px){.ls-practice{flex-direction:column;align-items:flex-start}.ls-nav .btn{min-width:0;flex:1}}