/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-block:64px 56px}
.hero-bg{position:absolute;inset:0 0 auto 0;height:620px;z-index:0;pointer-events:none;background:radial-gradient(600px 360px at 85% 20%,var(--accent-soft),transparent 70%),radial-gradient(circle,rgba(14,19,32,.09) 1px,transparent 1.5px) 0 0/22px 22px;-webkit-mask-image:linear-gradient(#000 40%,transparent);mask-image:linear-gradient(#000 40%,transparent)}
.hero h1{font-size:clamp(40px,6vw,70px);margin-block:16px 18px}
.hero .lede{font-size:18px;color:var(--mute);max-width:50ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px}
.cta-note{font-size:14px;color:var(--mute)}

/* product mockup stack */
.stack{position:relative;z-index:1;padding-bottom:70px}
.mini{position:absolute;left:-26px;bottom:0;width:min(260px,70%);background:var(--ink);color:#fff;border-radius:18px;padding:16px;box-shadow:var(--shadow);transform:rotate(-2.5deg)}
.mini .t{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.75;margin-bottom:8px}
.mini .sc{font-size:30px;font-weight:800;letter-spacing:-.03em;line-height:1}
.mini .sc small{font-size:14px;opacity:.7;font-weight:600}
.mini .mb{display:flex;flex-direction:column;gap:7px;margin-top:12px}
.mini .mb div{display:grid;grid-template-columns:70px 1fr 34px;gap:8px;align-items:center;font-size:11px}
.mini .mb i{display:block;height:6px;border-radius:9px;background:rgba(255,255,255,.18);position:relative;overflow:hidden}
.mini .mb i::after{content:"";position:absolute;inset:0;width:var(--w);background:#5eead4;border-radius:9px}
.badge-float{position:absolute;right:-10px;bottom:34px;background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-weight:700;font-size:14px;box-shadow:var(--shadow);display:flex;gap:8px;align-items:center}
.badge-float::before{content:"✓";width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:12px}

.pill{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700;border:1px solid var(--line);background:var(--soft);color:var(--ink)}
.pill.cy{background:var(--accent-soft);border-color:transparent;color:var(--accent-d)}
.pill.go{background:var(--accent-soft);border-color:transparent;color:var(--accent-d)}
.pill.pu{background:var(--bg);border-color:var(--ink)}
.pill.ba{background:var(--bad-soft);border-color:transparent;color:var(--bad)}
.pill.wa{background:var(--soft2);border-color:transparent}
.opts{display:flex;flex-direction:column;gap:9px}
.opt{display:flex;align-items:flex-start;gap:12px;text-align:left;width:100%;border:1px solid var(--line);background:var(--bg);border-radius:13px;padding:10px 13px;transition:border-color .15s,background .15s}
.opt .bub{flex:none;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;font-weight:600;color:var(--mute)}
.opt .txt{padding-top:2px;min-width:0;overflow-wrap:anywhere}
.opt.pick{border-color:var(--ink);background:var(--soft)}
.opt.pick .bub{background:var(--ink);border-color:var(--ink);color:#fff}
.opt.right{border-color:var(--accent);background:var(--accent-soft)}
.opt.right .bub{background:var(--accent);border-color:var(--accent);color:#fff}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .bub{background:var(--bad);border-color:var(--bad);color:#fff}
button.opt:hover{border-color:var(--ink)}

/* home sections */
section.blk{padding-block:60px}
section.soft{background:var(--soft)}

/* home pages: each section fills the screen below the header. Long sections (FAQ, features) simply grow taller.
   Scrolling settles on section edges only while the home page is showing. */
#v-home .page,#v-home section.blk,#nextPage{min-height:calc(100svh - var(--hh,72px));scroll-snap-align:start}
#v-home .page{display:flex;flex-direction:column;justify-content:center}
#v-home section.blk{display:grid;align-content:center}
html:has(#v-home:not([hidden])){scroll-snap-type:y proximity;scroll-padding-top:var(--hh,72px)}
/* on the home and FAQ pages the footer is a full screen too: its columns sit centred, the copyright bar at the bottom */
html:has(#v-home:not([hidden])) footer.foot,html:has(#v-faq:not([hidden])) footer.foot{min-height:calc(100svh - var(--hh,72px));display:flex;flex-direction:column;justify-content:space-between;margin-top:0;padding-top:0;scroll-snap-align:start}
html:has(#v-home:not([hidden])) .foot-grid,html:has(#v-faq:not([hidden])) .foot-grid{margin-block:auto;padding-block:48px}
html:has(#v-home:not([hidden])) .foot-base,html:has(#v-faq:not([hidden])) .foot-base{margin-top:0}
.sec-head{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px;max-width:62ch}
.sec-head h2{font-size:clamp(28px,4vw,44px)}
.sec-head p{color:var(--mute)}
.sec-head.center{align-items:center;text-align:center;margin-inline:auto}
/* exam browser on the home page: category tabs, search, a sideways track of cards with arrows and dots */
.exam-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}
.exam-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px;max-width:100%}
.exam-tabs::-webkit-scrollbar{display:none}
.exam-tab{flex:none;border:1px solid var(--line);background:var(--soft);color:var(--mute);font:inherit;font-size:13px;font-weight:600;padding:9px 16px;border-radius:99px;cursor:pointer;transition:all .15s;white-space:nowrap}
.exam-tab:hover{color:var(--ink);border-color:var(--ink)}
.exam-tab.on{background:var(--ink);border-color:var(--ink);color:#fff}
.exam-tools{display:flex;align-items:center;gap:10px}
.exam-search{position:relative;display:flex;align-items:center;min-width:240px}
.exam-search svg{position:absolute;left:14px;color:var(--mute);pointer-events:none}
.exam-search input{width:100%;font:inherit;font-size:14px;padding:10px 38px 10px 40px;border:1px solid var(--line);border-radius:99px;background:var(--bg);color:var(--ink)}
.exam-search input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.exam-clear{position:absolute;right:8px;border:0;background:none;font-size:20px;color:var(--mute);cursor:pointer;line-height:1;padding:4px 8px}
.exam-clear[hidden]{display:none}
.exam-arrows{display:flex;gap:8px;flex:none}
.car-btn{flex:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--bg);color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:border-color .15s,background .15s}
.car-btn:hover{border-color:var(--ink);background:var(--soft)}
.car-btn:disabled{opacity:.3;cursor:not-allowed}
.car-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.exam-summary{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--accent-soft);border:1px solid rgba(13,148,136,.25);border-radius:14px;padding:10px 16px;font-size:14px;margin-bottom:16px}
.exam-summary[hidden]{display:none}
.exam-summary button{font:inherit;font-weight:700;color:var(--accent-d);background:none;border:0;cursor:pointer;text-decoration:underline;white-space:nowrap}
.exam-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,300px);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:6px 2px 18px}
.exam-track::-webkit-scrollbar{display:none}
.exam-track[hidden]{display:none}
.exam-card{scroll-snap-align:start;display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 4px 20px -8px rgba(14,19,32,.08);transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s}
.exam-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.exam-badge{align-self:flex-start;padding:6px 12px;border-radius:12px;font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent-d)}
.exam-card.tone-1 .exam-badge{background:#fef3c7;color:#78350f}
.exam-card.tone-2 .exam-badge{background:#e0e7ff;color:#312e81}
.exam-card.tone-3 .exam-badge{background:#e0f2fe;color:#0c4a6e}
.exam-card h3{font-size:24px;margin-top:18px}
.exam-sub{margin:6px 0 0;font-size:14px;color:var(--mute);min-height:2.8em}
.exam-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 14px}
.exam-metrics div{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.exam-metrics span{display:block;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.exam-metrics b{display:block;margin-top:3px;font-family:var(--f-mono);font-size:15px}
.exam-desc{margin:0 0 18px;font-size:13px;color:var(--mute);flex:1;line-height:1.55}
.exam-try{width:100%;padding:12px 16px;border-radius:14px;border:0;background:var(--ink);color:#fff;font:inherit;font-weight:700;font-size:14px;cursor:pointer;display:flex;justify-content:center;gap:8px;transition:background .15s}
.exam-try:hover{background:var(--accent-d)}
.exam-dots{display:flex;justify-content:center;gap:8px;margin-top:4px;min-height:8px}
.exam-dot{width:8px;height:8px;border-radius:99px;border:0;padding:0;background:var(--line);cursor:pointer;transition:all .3s}
.exam-dot.on{width:24px;background:var(--ink)}
.exam-empty{text-align:center;padding:48px 20px;background:var(--bg);border:1px dashed var(--line);border-radius:22px}
.exam-empty[hidden]{display:none}
.exam-empty p{color:var(--mute);margin:8px 0 16px}



@media (max-width:640px){
  .exam-search{min-width:0;flex:1}
  .exam-tools{width:100%}
}

/* hero tag line: slides in from the left, out to the right (only once the script runs; otherwise it is plain text) */
.hero-ticker{height:34px;overflow:hidden;display:flex;align-items:center}
.hero-ticker-line{display:inline-block;white-space:nowrap}
.hero-ticker-line.js{opacity:0;transform:translateX(-28px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.hero-ticker-line.js.in{opacity:1;transform:none}
.hero-ticker-line.js.out{opacity:0;transform:translateX(32px);transition:opacity .5s ease,transform .5s ease}
.hero-ticker-line.js.reset{transition:none}

/* the exams page fills the screen height: heading and toolbar keep their size, the card track takes the rest */
#exams{min-height:calc(100svh - var(--hh,72px));padding-block:24px;display:grid;align-content:center}
#exams > .wrap{display:flex;flex-direction:column;min-height:0;max-height:calc(100svh - var(--hh,72px) - 48px)}
#exams .sec-head{margin-bottom:16px}
#exams .sec-head h2{font-size:clamp(26px,3.4vw,40px)}
#exams .exam-toolbar{margin-bottom:12px}
#exams .exam-summary{margin-bottom:12px}
#exams .exam-track{flex:1 1 auto;min-height:260px;padding-bottom:8px}
#exams .exam-dots{margin-top:0;padding-top:6px}
@media (max-height:820px){
  #exams .exam-card{padding:18px}
  #exams .exam-card h3{font-size:21px;margin-top:12px}
  #exams .exam-metrics{margin:12px 0 10px}
  #exams .exam-desc{margin-bottom:12px}
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:10px}
.step .num{width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:var(--f-mono);font-weight:600;font-size:14px}
.step h3{font-size:20px}
.step p{font-size:15px;color:var(--mute)}
.center-cta{display:flex;justify-content:center;margin-top:30px}
.fc{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:8px}
.fc .ic{width:42px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:19px;font-weight:700;margin-bottom:6px}
.fc h3{font-size:19px;letter-spacing:-.015em}
.fc p{color:var(--mute);font-size:15px}
.faq{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:10px}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--bg);padding:0 18px}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;padding-block:16px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"→";color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(90deg)}
.faq details p{padding-bottom:16px;color:var(--mute);font-size:15px}
/* page 2: the call to action after the hero. It grows into view as the reader scrolls to it. */
.next-page{position:relative;min-height:calc(100svh - var(--hh,72px));display:flex;align-items:center;overflow:hidden;background:var(--ink);color:#fff;
  clip-path:inset(14% 3% round 36px);transition:clip-path 1.1s cubic-bezier(.7,0,.2,1)}
.next-page.is-in{clip-path:inset(0 0 0 0 round 0)}
.next-bg{position:absolute;inset:-20%;pointer-events:none;
  background:radial-gradient(520px 340px at 20% 30%,rgba(13,148,136,.55),transparent 70%),
    radial-gradient(460px 320px at 85% 75%,rgba(94,234,212,.28),transparent 70%),
    radial-gradient(circle,rgba(255,255,255,.07) 1px,transparent 1.5px) 0 0/24px 24px;
  opacity:0;transition:opacity 1.2s ease}
.next-page.is-in .next-bg{opacity:1;animation:next-drift 16s ease-in-out infinite alternate}
@keyframes next-drift{from{transform:translate3d(-2%,-1%,0) scale(1)}to{transform:translate3d(2%,2%,0) scale(1.06)}}
.next-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px}
.next-eyebrow{color:#5eead4}
.next-title{font-size:clamp(44px,8vw,104px);line-height:1.02;letter-spacing:-.035em;max-width:14ch}
.next-title em{font-style:normal;color:#5eead4}
.next-lede{font-size:clamp(16px,1.6vw,20px);opacity:.78;max-width:46ch;margin:0}
.next-cta{margin-top:6px}
/* words rise in one after another; --i sets each word's place in the line */
.nw{display:inline-block;opacity:0;transform:translateY(55%);transition:opacity .6s ease,transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 85ms + 350ms)}
.next-page.is-in .nw{opacity:1;transform:none}
.reveal-up{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.next-page.is-in .reveal-up{opacity:1;transform:none;transition-delay:1s}
.next-page.is-in .next-cta.reveal-up{transition-delay:1.25s}

/* other home sections fade and rise in as they reach the screen (added by JS, so no-JS stays visible) */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  .next-page,.next-page .next-bg,.nw,.reveal-up,.reveal{transition:none!important;animation:none!important;clip-path:none;opacity:1;transform:none}
}

/* footer */
footer.foot{margin-top:24px;background:var(--soft);border-top:1px solid var(--line);padding-top:56px;color:var(--mute);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.foot-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:#fff;font-weight:800;font-size:20px}
.foot-name{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:12px 0 8px}
.foot-name b{color:var(--accent)}
.foot-tag{max-width:40ch;line-height:1.65;margin:0}
.foot-col{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.foot-col h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:4px}
.foot-col p{margin:0;line-height:1.6}
.foot-link{background:none;border:0;padding:0;font:inherit;color:var(--mute);cursor:pointer;text-align:left}
.foot-link:hover{color:var(--accent-d)}
.foot-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.foot-base{margin-top:44px;padding-block:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px}
@media (max-width:820px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}


/* "Why preptivaX": the cards move from right to left on a loop. The row pauses while the mouse is over it. */
.feat-marquee{overflow:hidden;padding:6px 0 14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.feat-track{display:flex;gap:16px;width:max-content}
.feat-track .fc{flex:0 0 260px}
/* the start-up code repeats the cards, so the loop shifts by exactly one set (half the track, less one gap) */
.feat-track.looping{animation:feat-slide 32s linear infinite}
.feat-marquee:hover .feat-track{animation-play-state:paused}
@keyframes feat-slide{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 8px))}}
/* reduced motion: a still row, with a scroll if the window is narrow */
@media (prefers-reduced-motion: reduce){
  .feat-marquee{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
  .feat-track{width:auto;justify-content:center}
}