/* passmock — "Airbnb" direction shared with Clément's sites: white, ink #222, pills, system font, 110rem container.
   Brand blue (--brand) = logo and buying buttons only. Green/red = right/wrong answers only. */
:root{--brand:#1d4ed8;--brand-dark:#1e3a8a;--brand-soft:#eef2ff;--ink:#222;--grey:#6a6a6a;--line:#ddd;--line-2:#ebebeb;--surface:#f7f7f7;--ok:#0a7a3d;--ok-soft:#e9f7ef;--ko:#c13515;--ko-soft:#fdeeea;--warm:#b45309;--warm-soft:#fff7ed;--shadow:0 6px 16px rgba(0,0,0,.12);--shadow-soft:0 1px 2px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.05);--font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--r:12px;--r-big:20px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:5.5rem}
body{margin:0;background:#fff;color:var(--ink);font:400 1.02rem/1.6 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.12;margin:0;letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(2rem,4.6vw,3.3rem);margin-bottom:.9rem}
h2{font-size:clamp(1.45rem,2.6vw,1.95rem);margin:2.6rem 0 .9rem}
h3{font-size:1.12rem;margin:1.4rem 0 .45rem;font-weight:650}
p{margin:0 0 1rem}ul,ol{padding-left:1.25rem}li{margin:.3rem 0}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;z-index:99;background:#fff;padding:.5rem 1rem;border-radius:8px}
.wrap{max-width:110rem;margin:0 auto;padding:0 clamp(1rem,5vw,5rem)}
.wrap.narrow{max-width:52rem}
[hidden]{display:none!important}
/* header */
header.top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line-2)}
header.top .wrap{display:flex;align-items:center;gap:1rem;min-height:4.2rem}
.logo{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo svg{width:2rem;height:2rem;flex:none}
.logo-t{font-weight:600;font-size:1.35rem;letter-spacing:-.03em;color:#555}.logo-t b{color:var(--ink);font-weight:800}
.nav{display:flex;gap:.1rem;margin-left:auto;align-items:center;font-weight:500;font-size:.94rem}
.nav a{text-decoration:none;padding:.55rem .8rem;border-radius:999px;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover,.nav a[aria-current]{background:var(--surface)}
.nav a.cta{background:var(--ink);color:#fff;font-weight:650;margin-left:.3rem}.nav a.cta:hover{background:#000}
.nav-m{display:none;margin-left:auto;position:relative}
.nav-m summary{list-style:none;cursor:pointer;min-height:44px;display:inline-flex;align-items:center;padding:.5rem 1rem;border:1px solid var(--line);border-radius:999px;font-weight:600;font-size:.92rem}
.nav-m summary::-webkit-details-marker{display:none}
.nav-m nav{position:absolute;right:0;top:calc(100% + .5rem);background:#fff;border:1px solid var(--line-2);border-radius:var(--r);box-shadow:var(--shadow);padding:.4rem;display:flex;flex-direction:column;min-width:15rem;z-index:40}
.nav-m nav a{padding:.7rem .9rem;border-radius:8px;text-decoration:none;min-height:44px;display:flex;align-items:center}.nav-m nav a:hover{background:var(--surface)}
@media (max-width:980px){.nav{display:none}.nav-m{display:block}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.7rem 1.35rem;border-radius:10px;border:1px solid var(--ink);background:var(--ink);color:#fff;font:650 1rem/1.2 var(--font);text-decoration:none;cursor:pointer;transition:transform .1s,background .2s}
.btn:hover{background:#000;color:#fff}.btn:active{transform:scale(.98)}
.btn.ghost{background:#fff;color:var(--ink)}.btn.ghost:hover{background:var(--surface)}
.btn.buy{background:var(--brand);border-color:var(--brand)}.btn.buy:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn.small-btn{min-height:44px;font-size:.94rem;width:100%}
.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.2rem 0}
/* hero */
.crumbs{font-size:.88rem;color:var(--grey);padding-top:1.2rem}.crumbs a{color:var(--grey)}
.hero{padding:clamp(1.2rem,3vw,2.4rem) 0 .4rem}
.hero.with-photo{display:grid;gap:clamp(1.2rem,4vw,3.5rem);align-items:center}
@media (min-width:900px){.hero.with-photo{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}}
.hero-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-big)}
@media (max-width:899px){.hero-img{aspect-ratio:16/9}}
.lede{font-size:clamp(1.05rem,1.4vw,1.18rem);color:#484848;max-width:46rem}
.pills{display:flex;flex-wrap:wrap;gap:.45rem;margin:.9rem 0}
.pill{display:inline-flex;align-items:center;font-size:.84rem;font-weight:600;padding:.32rem .8rem;border-radius:999px;background:var(--surface);border:1px solid var(--line-2)}
.updated,.small{font-size:.88rem;color:var(--grey)}.small a{color:var(--grey)}
.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--grey);margin:0 0 .3rem}
/* reading layout */
.read{display:block}
@media (min-width:1150px){.read{display:grid;grid-template-columns:minmax(0,56rem) 21rem;gap:4rem;align-items:start;justify-content:space-between}}
.side{display:none}
@media (min-width:1150px){.side{display:block;position:sticky;top:5.5rem;margin-top:2rem}}
.side-card{border:1px solid var(--line-2);border-radius:var(--r-big);padding:1.1rem 1.2rem;box-shadow:var(--shadow-soft)}
.side-card nav a{display:block;padding:.28rem 0;color:var(--grey);text-decoration:none;font-size:.92rem}.side-card nav a:hover,.side-card nav a[aria-current]{color:var(--ink)}
.side-card hr{border:0;border-top:1px solid var(--line-2);margin:1rem 0}
.prose{max-width:48rem}
/* cards */
.cards{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));margin:1.1rem 0}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.card{display:block;background:#fff;border-radius:var(--r-big);padding:1.2rem;border:1px solid var(--line-2);box-shadow:var(--shadow-soft);text-decoration:none;color:var(--ink);transition:box-shadow .2s}
a.card:hover{box-shadow:var(--shadow)}
.card h3{margin:.2rem 0 .4rem}.card p{color:var(--grey);font-size:.95rem;margin:0 0 .5rem}.card p:last-child{margin:0}
.card.flat{box-shadow:none;background:var(--surface);border-color:transparent}
.card.flat p{color:#444}
.card-img{width:calc(100% + 2.4rem);margin:-1.2rem -1.2rem .9rem;max-width:none;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-big) var(--r-big) 0 0;display:block}
.card-foot{font-weight:600;color:var(--ink)!important}
.price-s{font-weight:800;font-size:1.2rem;color:var(--ink)!important}
/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:1rem 0 1.2rem}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line-2);vertical-align:top}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--grey);background:var(--surface)}
tr:last-child td{border-bottom:0}
a.src{font-size:.8rem;color:var(--grey);white-space:nowrap}
.facts td:first-child{font-weight:600;width:38%}
@media (max-width:640px){.facts td:first-child{width:auto}.stack{border:0;overflow:visible}.stack table,.stack tbody,.stack tr,.stack td{display:block;width:100%}.stack thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.stack tr{border:1px solid var(--line);border-radius:var(--r);margin:0 0 .7rem;padding:.3rem 0}.stack td{border:0;padding:.3rem .9rem}.stack td::before{content:attr(data-label);display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--grey);font-weight:650}}
.note{background:var(--warm-soft);border-left:4px solid var(--warm);border-radius:var(--r);padding:.9rem 1.1rem;margin:1.2rem 0}.note p:last-child{margin:0}
details.faq{border-bottom:1px solid var(--line);padding:.85rem 0}
details.faq summary{cursor:pointer;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:1rem}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--grey)}details.faq[open] summary::after{content:"–"}
details.faq p{margin:.6rem 0 0;color:#444}
ul.sources li{word-break:break-word;font-size:.94rem}
.disclaimer{border-top:1px solid var(--line-2);padding-top:1rem;margin-top:1.6rem}
ol.steps{list-style:none;padding:0;counter-reset:s;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
ol.steps li{counter-increment:s;background:var(--surface);border-radius:var(--r-big);padding:1.1rem 1.2rem 1.1rem 3.6rem;position:relative;margin:0}
ol.steps li::before{content:counter(s);position:absolute;left:1.1rem;top:1rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.9rem}
ul.ticks{list-style:none;padding:0}ul.ticks>li{padding-left:1.7rem;position:relative}
ul.ticks>li::before{content:"";position:absolute;left:.1rem;top:.45rem;width:.95rem;height:.55rem;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}
ul.ticks.big>li{margin:.6rem 0}
/* pack banner */
.pack-banner{display:flex;flex-wrap:wrap;gap:1.2rem 2rem;justify-content:space-between;align-items:center;background:var(--brand-soft);border-radius:var(--r-big);padding:clamp(1.1rem,3vw,1.8rem);margin:2rem 0}
.pack-banner h2{margin:0 0 .5rem;font-size:1.4rem}.pack-banner ul{margin:0}
.pb-buy{min-width:12rem}
.price{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:0}
/* product */
.product{display:grid;gap:2rem;padding-top:1.4rem}
@media (min-width:1000px){.product{grid-template-columns:minmax(0,1fr) 24rem;gap:4rem;align-items:start}.p-buy{position:sticky;top:5.5rem}}
.p-buy{border:1px solid var(--line-2);border-radius:var(--r-big);box-shadow:var(--shadow);padding:1.4rem}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.93rem;margin:1rem 0;cursor:pointer}
.consent input{width:1.25rem;height:1.25rem;margin-top:.15rem;flex:none;accent-color:var(--brand)}
.buy-form .btn{width:100%}
.sample{border:1px solid var(--line-2);border-radius:var(--r);padding:1rem 1.2rem;margin:.8rem 0}
.sample .qt{font-weight:600}ol.abc{list-style:upper-alpha;margin:.3rem 0 .6rem}ol.abc li.right{font-weight:700;color:var(--ok)}
.buy-bar{display:none}
@media (max-width:999px){.buy-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;background:#fff;border-top:1px solid var(--line);padding:.6rem 1rem;gap:1rem;align-items:center;justify-content:space-between;font-weight:600;font-size:.92rem}.buy-bar span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}body:has(.buy-bar) .foot{padding-bottom:5rem}}
/* quiz */
.quiz{border:1px solid var(--line-2);border-radius:var(--r-big);padding:clamp(1rem,3vw,1.6rem);margin:1.6rem 0;box-shadow:var(--shadow-soft)}
.quiz-head h2{margin:0 0 .3rem}.quiz-head p{color:var(--grey)}
.qlist{list-style:none;padding:0;margin:0}
.q{padding:1.1rem 0;border-top:1px solid var(--line-2)}
.qt{font-weight:600;font-size:1.04rem}
.qn{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--grey);font-weight:700;margin-bottom:.2rem}
.passage{background:var(--surface);border-radius:var(--r);padding:1rem 1.2rem;margin:0 0 1rem;font-size:.97rem}
.passage p:last-child{margin:0}.p-label{font-size:.85rem;color:var(--grey)}.p-same{font-size:.85rem;color:var(--grey);font-style:italic;margin:0 0 .4rem}
.choices{display:grid;gap:.5rem}
.ch{display:flex;gap:.7rem;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;cursor:pointer;min-height:48px;transition:border-color .15s,background .15s}
.ch:hover{border-color:#999}
.ch input{position:absolute;opacity:0;pointer-events:none}
.lt{flex:none;width:1.7rem;height:1.7rem;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-weight:700;font-size:.85rem}
.ct{padding-top:.1rem}
.ch:has(input:checked){border-color:var(--ink);background:var(--surface)}
.ch:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}
.q.done .ch{cursor:default}
.q.done .ch.right,.ch.right{border-color:var(--ok);background:var(--ok-soft)}.ch.right .lt{background:var(--ok);border-color:var(--ok);color:#fff}
.q.done .ch.wrong,.ch.wrong{border-color:var(--ko);background:var(--ko-soft)}.ch.wrong .lt{background:var(--ko);border-color:var(--ko);color:#fff}
details.ex{margin-top:.7rem;font-size:.96rem}
details.ex summary{cursor:pointer;color:var(--grey);font-size:.9rem;min-height:32px}
details.ex p{margin:.45rem 0}.ref{font-size:.85rem;color:var(--grey)}
.verdict-ok{color:var(--ok);font-weight:700}.verdict-ko{color:var(--ko);font-weight:700}
.quiz-bar{position:sticky;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line-2);display:flex;gap:1rem;align-items:center;justify-content:space-between;padding:.7rem 0;margin-top:.5rem;font-weight:600;font-size:.94rem;flex-wrap:wrap}
.quiz-result{background:var(--surface);border-radius:var(--r);padding:1.1rem 1.2rem;margin-top:1rem}
.qr-score{font-size:1.5rem;font-weight:800;margin:0 0 .3rem}
/* online test runner */
.runner-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;position:sticky;top:4.2rem;background:#fff;z-index:5;padding:.6rem 0;border-bottom:1px solid var(--line-2)}
.timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.1rem}
.score-table td:last-child{font-weight:700}
/* forms */
form.find{display:grid;gap:1rem;max-width:30rem;margin:1rem 0}
form.find label{display:flex;flex-direction:column;gap:.35rem;font-weight:600;font-size:.92rem}
form.find input{font:inherit;min-height:48px;padding:.6rem .8rem;border-radius:10px;border:1px solid #b0b0b0}
/* footer */
.foot{margin-top:4.5rem;background:var(--surface);border-top:1px solid var(--line-2);font-size:.92rem;color:var(--grey);padding:2.6rem 0 2rem}
.foot a{color:var(--ink);text-decoration:none}.foot a:hover{text-decoration:underline}.foot strong{color:var(--ink)}
.foot .cols{display:grid;gap:1.8rem;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr))}
@media (min-width:900px){.foot .cols{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot .cols div{display:flex;flex-direction:column;gap:.45rem}
.f-brand span{max-width:24rem}
.fine{margin-top:2rem;padding-top:1.3rem;border-top:1px solid var(--line)}
ul.credits{font-size:.88rem}
@media (max-width:420px){.logo-t{font-size:1.2rem}}