/* Just Crack Interview – front-end styles. No frameworks, no web fonts. */
:root{
  --bg:#f7f8fb;--surface:#fff;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--line:#e2e8f0;
  --brand:#1d4ed8;--brand-ink:#1e3a8a;--brand-soft:#eff4ff;--accent:#f59e0b;
  --ok:#047857;--ok-soft:#ecfdf5;--warn:#b45309;--warn-soft:#fffbeb;
  --radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(15,23,42,.05),0 4px 16px rgba(15,23,42,.06);
  --wrap:1180px;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.65}
img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--brand-ink)}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(1.65rem,3.2vw,2.35rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.25rem,2.2vw,1.55rem);margin:1.6em 0 .6em}
h3{font-size:1.12rem;margin:1.3em 0 .4em}
p{margin:.5em 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.narrow{max-width:820px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.muted{color:var(--muted)}.small{font-size:.875rem}
.lead{font-size:1.08rem;color:var(--ink-2)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--brand);margin:0}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:16px;min-height:64px}
.brand img{display:block;height:40px;width:auto}
.brand-foot{font-weight:800;font-size:1.1rem;color:var(--ink);text-decoration:none}
.header-search{flex:1;max-width:420px;display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:0 6px 0 14px}
.header-search input{flex:1;border:0;background:transparent;padding:9px 0;font:inherit;min-width:0;outline:none}
.header-search button{border:0;background:transparent;color:var(--muted);padding:8px;cursor:pointer;border-radius:999px}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:999px}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px}
@media (max-width:900px){
  .header-row{flex-wrap:wrap;padding:8px 0;gap:8px}
  .header-search{order:3;max-width:none;flex-basis:100%}
  .nav-toggle{display:block}
  .main-nav{display:none;flex-basis:100%;flex-direction:column;order:4;padding-bottom:8px}
  .main-nav.open{display:flex}
}

/* Breadcrumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;padding:14px 16px 0;margin:0 auto;font-size:.85rem;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:4px;color:#94a3b8}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--brand)}

/* Buttons, chips, pills */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:700;border-radius:999px;padding:11px 20px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-ink);color:#fff}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:#c7d2fe}.btn-ghost:hover{background:var(--brand-soft)}
.btn-block{display:flex;width:100%;margin-top:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);text-decoration:none;font-size:.92rem;font-weight:600}
.chip small{color:var(--muted);font-weight:500}
a.chip:hover{border-color:var(--brand);color:var(--brand)}
.chips-lg .chip{padding:10px 16px}
.chip-static{font-weight:500}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700;background:#f1f5f9;color:var(--ink-2);margin-right:4px}
.pill-ok{background:var(--ok-soft);color:var(--ok)}.pill-warn{background:var(--warn-soft);color:var(--warn)}
.pill-rate{background:#fff7e6;color:#92400e}

/* Hero */
.hero{background:radial-gradient(1200px 400px at 10% -10%,#dbe7ff 0,transparent 60%),linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--line)}
.hero-inner{padding:56px 16px 44px;max-width:860px}
.hero h1{font-size:clamp(2rem,5vw,3.1rem);margin:.2em 0 .3em}
.hero-search{display:flex;gap:8px;margin:22px 0 10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px;box-shadow:var(--shadow);max-width:640px}
.hero-search input{flex:1;border:0;outline:none;font:inherit;font-size:1.05rem;padding:8px 14px;min-width:0;background:transparent}
.hero-stats{display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;padding:0;margin:18px 0 0;color:var(--ink-2)}
.hero-stats strong{color:var(--ink)}

/* Sections & grids */
.section{margin:44px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.section-head h2{margin:0 0 16px}
.more{font-weight:700;text-decoration:none;white-space:nowrap}
.grid{display:grid;gap:16px}
.cards-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid-ad{grid-column:1/-1}
.co-card{display:flex;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:inherit;transition:.15s;box-shadow:0 1px 2px rgba(15,23,42,.03)}
.co-card:hover{border-color:#c7d2fe;box-shadow:var(--shadow);transform:translateY(-1px)}
.co-logo,.co-avatar{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:1.2rem}
.co-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.co-name{font-weight:700;color:var(--ink);line-height:1.3}
.co-meta{font-size:.8rem;color:var(--muted)}
.co-desc{font-size:.9rem;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.co-foot{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px}
.co-link{margin-left:auto;font-size:.85rem;font-weight:700;color:var(--brand)}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.trust-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.trust-item h3{margin-top:0}
.cta{background:linear-gradient(135deg,var(--brand),#4338ca);color:#fff;border-radius:20px;padding:36px 28px;text-align:center}
.cta h2{color:#fff;margin-top:0}.cta p{color:#dbeafe}
.cta .btn-primary{background:#fff;color:var(--brand)}

/* Page heads */
.page-head{padding:26px 0 8px}
.az{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 22px}
.az a{min-width:36px;text-align:center;padding:6px 8px;border-radius:8px;background:var(--surface);border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:.88rem;color:var(--ink-2)}
.az a[aria-current]{background:var(--brand);border-color:var(--brand);color:#fff}

/* Company page */
.company{padding-top:10px}
.co-head{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;margin:14px 0 24px;box-shadow:var(--shadow)}
.co-head-main{display:flex;gap:16px;align-items:flex-start}
.co-avatar{width:64px;height:64px;font-size:1.8rem;border-radius:16px}
.co-head h1{margin:0 0 6px}
.facts{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;padding:0;margin:0;color:var(--ink-2);font-size:.92rem}
.stars{color:var(--accent);letter-spacing:1px}.stars .off{color:#cbd5e1}.stars .half{background:linear-gradient(90deg,var(--accent) 50%,#cbd5e1 50%);-webkit-background-clip:text;background-clip:text;color:transparent}
.byline{display:flex;gap:12px;align-items:center;margin:16px 0 4px;font-size:.92rem}
.byline img{border-radius:50%;object-fit:cover}
.by-ava{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#e0e7ff;color:var(--brand-ink);font-weight:800;flex:none}
.by-ava-lg{width:64px;height:64px;font-size:1.5rem}.by-ava-xl{width:120px;height:120px;font-size:3rem}
.notice{background:var(--warn-soft);border:1px solid #fde68a;color:#78350f;border-radius:var(--radius-sm);padding:10px 14px;font-size:.9rem;margin:14px 0 0}
.notice-ok{background:var(--ok-soft);border-color:#a7f3d0;color:#065f46}
.notice-info{background:var(--brand-soft);border-color:#c7d2fe;color:var(--brand-ink)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.main-col{min-width:0}
.sticky{position:sticky;top:84px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:.9rem}
.toc ol,.toc ul{margin:6px 0 0;padding-left:18px}.toc li{margin:4px 0}
.toc a{color:var(--ink-2);text-decoration:none}.toc a:hover,.toc a.active{color:var(--brand)}
.toc-title{font-weight:800;margin:0;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.toc-inline{display:none;margin-bottom:18px}.toc-inline summary{font-weight:800;cursor:pointer}
@media (max-width:980px){.layout{grid-template-columns:1fr}.side-col{display:none}.toc-inline{display:block}}
.prose{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:8px 26px 14px;overflow-wrap:anywhere}
.prose h2{padding-top:6px;border-top:1px solid var(--line);margin-top:1.4em}
.prose h2:first-child{border-top:0}
.prose li{margin:.3em 0}
.prose table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.93rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:#f8fafc}
.block{margin:30px 0}
.block>h2{margin-top:0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin:8px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;position:relative;padding-right:26px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.3rem;color:var(--brand)}
.faq details[open] summary::after{content:"–"}
.faq-a{padding-bottom:6px;color:var(--ink-2)}
.rating-box{display:flex;flex-wrap:wrap;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:14px}
.rating-big{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:140px}
.rating-big strong{font-size:2.6rem;line-height:1}
.bars{flex:1;min-width:220px}
.bar-row{display:grid;grid-template-columns:34px 1fr 30px;gap:8px;align-items:center;font-size:.85rem}
.bar{height:8px;background:#eef2f7;border-radius:999px;overflow:hidden}.bar span{display:block;height:100%;background:var(--accent)}
.form-card{margin:14px 0}
.form-card>summary{list-style:none;display:inline-flex}.form-card>summary::-webkit-details-marker{display:none}
.form-card[open]>summary{margin-bottom:12px}
.form,.form-card-static{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:12px}
.form label{display:grid;gap:4px;font-weight:600;font-size:.9rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.form button{justify-self:start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.star-field{border:0;padding:0;margin:0}
.star-field legend{font-weight:600;font-size:.9rem;margin-bottom:4px;padding:0}
.star-input{display:inline-flex;flex-direction:row-reverse;gap:2px}
.star-input input{position:absolute;opacity:0;width:1px;height:1px}
.star-input label{font-size:2rem;color:#cbd5e1;cursor:pointer;line-height:1}
.star-input input:checked~label,.star-input label:hover,.star-input label:hover~label{color:var(--accent)}
.star-input input:focus-visible+label{outline:2px solid var(--brand);border-radius:4px}
.exp{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:12px 0}
.exp h3{margin:0 0 2px}.exp h4{margin:12px 0 2px;font-size:.95rem}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:30px 0}
.author-box img{border-radius:50%}
.ab-name{font-weight:800;margin:0}

/* Questions */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.topic-card{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;text-decoration:none;color:inherit}
.topic-card:hover{border-color:var(--brand)}
.tc-name{font-weight:700;color:var(--ink)}
.qlist{padding-left:1.6em}
.q{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 18px;margin:0 0 12px}
.q::marker{font-weight:800;color:var(--brand)}
.q-ad{list-style:none;margin:0 0 12px}
.q-title{font-weight:600;margin:0 0 8px}
.opts{margin:0 0 8px;padding-left:1.4em;color:var(--ink-2)}
.opts.revealed li.correct{color:var(--ok);font-weight:700}
.ans summary{cursor:pointer;color:var(--brand);font-weight:700;font-size:.9rem}
.ans p{margin:.4em 0}
.link-list li{margin:6px 0}

/* Pager */
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:26px 0}
.pager a,.pager span{min-width:40px;text-align:center;padding:8px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);text-decoration:none;font-weight:600}
.pager .cur{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .gap{border:0;background:none}

/* Authors */
.author-list{display:grid;gap:12px}
.author-card{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:inherit}
.author-card img{border-radius:50%;object-fit:cover}
.author-hero{display:flex;gap:22px;align-items:center;padding:26px 0}
.author-hero img{border-radius:50%;object-fit:cover}
.links a{margin-right:14px;font-weight:700}

/* Ads – reserve space to avoid layout shift */
.ad{margin:20px auto;text-align:center;min-height:120px;max-width:var(--wrap)}
.ad-header{padding:0 16px;min-height:100px}
.ad-sidebar{min-height:280px;margin-top:16px}
.ad-label{display:block;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;margin-bottom:4px}

/* Footer */
.site-footer{margin-top:56px;background:#0b1220;color:#cbd5e1;padding:44px 0 20px}
.site-footer a{color:#e2e8f0;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .muted{color:#94a3b8}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:6px 0}
.fh{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;margin:0 0 10px}
.brand-foot{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;margin-top:28px;padding-top:16px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.co-head{padding:18px}.prose{padding:4px 16px 10px}.hero-inner{padding-top:36px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.co-card{transition:none}}