/* ==========================================================================
   Shokher Tech Academy — Public website
   ========================================================================== */

.is-dark{--text:var(--on-dark);color:var(--on-dark);background:var(--ink-900)}
.is-dark h1,.is-dark h2,.is-dark h3,.is-dark h4{color:#fff}
.stt-hide-sm{display:none!important}
.stt-show-sm{display:block}
@media (min-width:900px){.stt-hide-sm{display:inline-flex!important}.stt-show-sm{display:none!important}td.stt-hide-sm,th.stt-hide-sm{display:table-cell!important}}

/* ---------- Header ---------- */
.stt-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.07)}
.stt-header__inner{height:var(--header-h);display:flex;align-items:center;gap:var(--s-6)}
.stt-logo{display:inline-flex;align-items:center;text-decoration:none;flex-shrink:0;padding:4px 0}
.stt-logo__img{height:36px;width:auto}
@media (min-width:1200px){.stt-logo__img{height:42px}}
.stt-logo__text{font-weight:700;font-size:1.25rem;color:#fff}
.stt-logo__text b{background:var(--lime-400);color:var(--ink-900);padding:0 6px;margin-left:4px;font-family:Inter,sans-serif;font-size:.9rem}
.stt-nav{display:none;margin-left:var(--s-4)}
.stt-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.stt-nav a{display:block;padding:8px 12px;border-radius:var(--r-sm);text-decoration:none;font-size:var(--fs-sm);font-weight:var(--fw-med);color:var(--on-dark-muted);transition:color var(--t),background var(--t);position:relative}
.stt-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.stt-nav a[aria-current]{color:#fff}
.stt-nav a[aria-current]::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--lime-400);border-radius:2px}
@media (min-width:1080px){.stt-nav{display:block}}
.stt-header__actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.stt-search-trigger{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 10px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:var(--on-dark-muted);font-size:var(--fs-xs);transition:border-color var(--t),color var(--t)}
.stt-search-trigger:hover{border-color:rgba(255,255,255,.3);color:#fff}
.stt-search-trigger__text,.stt-search-trigger__kbd{display:none}
.stt-search-trigger .ste-kbd{background:transparent;border-color:rgba(255,255,255,.2);color:var(--on-dark-muted)}
@media (min-width:1280px){.stt-search-trigger{padding:0 8px 0 12px;min-width:220px}.stt-search-trigger__text{display:inline}.stt-search-trigger__kbd{display:inline-flex;margin-left:auto}}
.stt-header__avatar{display:inline-flex;border-radius:50%}
.stt-header__avatar .ste-avatar{border-color:var(--ink-700)}
.stt-menu-btn{color:#fff}
@media (min-width:1080px){.stt-menu-btn{display:none}}

/* ---------- Mobile drawer ---------- */
.stt-drawer{position:fixed;top:0;right:0;bottom:0;width:min(400px,100vw);z-index:100;display:flex;flex-direction:column;transform:translateX(100%);transition:transform var(--t-slow) var(--ease);visibility:hidden;padding-bottom:env(safe-area-inset-bottom)}
.stt-drawer.is-open{transform:none;visibility:visible}
.stt-drawer__head{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding:0 var(--gutter);border-bottom:1px solid rgba(255,255,255,.08)}
.stt-drawer__head .ste-icon-btn{color:#fff}
.stt-drawer__user{display:flex;align-items:center;gap:12px;margin:16px var(--gutter) 0;padding:12px;border-radius:var(--r-md);background:rgba(255,255,255,.05);text-decoration:none}
.stt-drawer__user span{flex:1;display:flex;flex-direction:column;line-height:1.4}
.stt-drawer__user small{color:var(--on-dark-muted)}
.stt-drawer__nav{flex:1;overflow:auto;padding:8px var(--gutter)}
.stt-drawer__nav a{display:flex;align-items:center;justify-content:space-between;min-height:54px;font-size:1.0625rem;font-weight:var(--fw-semi);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.07);color:var(--on-dark)}
.stt-drawer__nav a .ste-icon{color:var(--on-dark-muted)}
.stt-drawer__nav a[aria-current]{color:var(--lime-400)}
.stt-drawer__foot{padding:var(--s-4) var(--gutter) var(--s-6);display:grid;gap:10px;border-top:1px solid rgba(255,255,255,.08)}

/* ---------- Sections ---------- */
.stt-main{min-height:50vh}
.stt-section{padding-block:var(--section)}
.stt-section--tight{padding-block:clamp(32px,4vw,56px) var(--section)}
.stt-section--paper{background:var(--surface);border-block:1px solid var(--line)}
.stt-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s-6);margin-bottom:clamp(24px,3vw,40px);flex-wrap:wrap}
.stt-sec-head__main{max-width:680px}
.stt-sec-head__title{font-size:var(--fs-h2);margin:10px 0 0;line-height:1.3}
.stt-sec-head__text{color:var(--muted);margin:12px 0 0;font-size:1.0625rem}

/* ---------- Hero ---------- */
.stt-hero{position:relative;overflow:hidden;padding:clamp(40px,6vw,80px) 0 clamp(48px,6vw,88px)}
.stt-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 80% at 75% 40%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 80% at 75% 40%,#000 20%,transparent 75%);pointer-events:none}
.stt-hero__grid{position:relative;display:grid;gap:clamp(40px,5vw,64px);align-items:center}
@media (min-width:1024px){.stt-hero__grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}}
.stt-hero__title{font-size:var(--fs-display);line-height:1.22;letter-spacing:-.015em;margin:18px 0 20px;font-weight:700}
.stt-hero__title span{color:var(--lime-400)}
.stt-hero__lead{font-size:clamp(1.0625rem,1rem + .3vw,1.1875rem);color:var(--on-dark-muted);max-width:560px;margin:0 0 28px;line-height:1.75}
.stt-hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.stt-hero__proof{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:var(--fs-sm);color:var(--on-dark-muted)}
.stt-hero__proof li{display:inline-flex;align-items:center;gap:6px}
.stt-hero__proof .ste-icon{color:var(--lime-400)}
@media (max-width:479px){.stt-hero__cta .ste-btn{width:100%}}

.stt-hero__visual{position:relative;padding:28px 0 48px;max-width:540px;width:100%;margin-inline:auto}
@media (min-width:1024px){.stt-hero__visual{margin-right:0;padding:24px 0 40px 32px}}
.stt-hero__note{position:absolute;right:0;bottom:6px;font-size:var(--fs-cap);color:var(--ink-500);letter-spacing:.04em}
.stt-mock{background:var(--surface);color:var(--text);border-radius:var(--r-lg);box-shadow:0 30px 60px -20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.06)}
.stt-mock--result{padding:20px;position:relative;z-index:1}
.stt-mock__head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}
.stt-mock__head strong{display:block;font-size:1rem;line-height:1.4}
.stt-mock__kicker{font-size:var(--fs-cap);color:var(--muted);font-weight:600}
.stt-mock__score{display:flex;align-items:center;gap:20px;padding:14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface-2)}
.stt-mock__stats{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:0;flex:1}
.stt-mock__stats dt{font-size:var(--fs-cap);color:var(--muted);line-height:1.3}
.stt-mock__stats dd{margin:0;font-weight:700;font-size:1.0625rem;font-variant-numeric:tabular-nums}
.stt-mock__topics{margin-top:16px}
.stt-mock__topics p{font-size:var(--fs-xs);font-weight:600;color:var(--muted);margin:0 0 8px}
.stt-mock__bar{display:grid;grid-template-columns:96px 1fr 40px;gap:10px;align-items:center;font-size:var(--fs-xs);padding:4px 0}
.stt-mock__bar b{text-align:right;font-variant-numeric:tabular-nums}
.stt-mock__tip{display:flex;gap:8px;align-items:center;margin-top:14px;padding:10px 12px;border-radius:var(--r-md);background:var(--lime-50);border:1px solid var(--lime-200);font-size:var(--fs-xs)}
.stt-mock__tip .ste-icon{color:var(--lime-700)}
.stt-mock--trend{position:absolute;left:-8px;bottom:0;width:240px;padding:14px 16px;z-index:2;background:var(--ink-800);color:var(--on-dark);box-shadow:0 20px 40px -16px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.08)}
@media (min-width:1024px){.stt-mock--trend{left:-24px}}
.stt-mock__trend-head,.stt-mock__trend-foot{display:flex;justify-content:space-between;font-size:var(--fs-cap);color:var(--on-dark-muted)}
.stt-mock__trend-head b{color:var(--lime-400);font-size:var(--fs-sm)}
.stt-mock__trend-foot{margin-top:4px}
.stt-mock--chip{position:absolute;right:-6px;top:0;display:flex;align-items:center;gap:10px;padding:10px 14px;z-index:2}
.stt-mock--chip small{display:block;font-size:var(--fs-cap);color:var(--muted);line-height:1.2}
.stt-mock--chip b{font-size:1.0625rem}
.stt-mock__chip-ico{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--ink-900);color:var(--lime-400)}
@media (max-width:479px){.stt-mock--trend{width:200px}.stt-mock__bar{grid-template-columns:80px 1fr 36px}.stt-mock__score{gap:12px}.stt-mock__score .ste-ring{--size:88px!important}}
.stt-spark{width:100%;height:auto;margin-top:6px;overflow:visible}
.stt-spark__line{fill:none;stroke:var(--lime-400);stroke-width:2.25;stroke-linejoin:round;stroke-linecap:round}
.stt-spark__area{fill:rgba(189,245,22,.12)}
.stt-spark__dot{fill:var(--lime-400);stroke:var(--ink-800);stroke-width:2}
.stt-spark--light .stt-spark__line{stroke:var(--ink-900)}
.stt-spark--light .stt-spark__area{fill:rgba(189,245,22,.35)}
.stt-spark--light .stt-spark__dot{fill:var(--lime-400);stroke:var(--ink-900)}

/* ---------- Trust strip ---------- */
.stt-strip{background:var(--surface);border-bottom:1px solid var(--line)}
.stt-strip__list{list-style:none;margin:0;padding:0;display:flex;gap:8px 0;overflow-x:auto;scrollbar-width:none}
.stt-strip__list::-webkit-scrollbar{display:none}
.stt-strip__list li{display:flex;align-items:center;gap:10px;padding:18px 22px;white-space:nowrap;font-size:var(--fs-sm);color:var(--text-2);border-right:1px solid var(--line)}
.stt-strip__list li:first-child{padding-left:0}
.stt-strip__list li:last-child{border-right:0}
.stt-strip__list b{font-family:Inter,sans-serif;font-weight:800;font-size:1.0625rem;color:var(--text);letter-spacing:-.01em}
.stt-strip__list .ste-icon{color:var(--lime-700)}
.stt-strip__stat b{color:var(--lime-700)}
@media (min-width:1200px){.stt-strip__list{justify-content:space-between}}

/* ---------- Discover ---------- */
.stt-discover__bar{display:flex;gap:16px;align-items:center;margin-bottom:20px;flex-wrap:wrap}
.stt-discover__chips{flex:1;min-width:0}
@media (min-width:768px){.stt-discover__chips.ste-chips--scroll{margin-inline:0;padding-inline:0}}

/* ---------- Steps ---------- */
.stt-steps{list-style:none;margin:0;padding:0;display:grid;gap:var(--s-4)}
@media (min-width:900px){.stt-steps{grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg)}}
.stt-step{padding:var(--s-6);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);display:flex;flex-direction:column}
@media (min-width:900px){.stt-step{border:0;border-radius:0;border-right:1px solid var(--line);padding:var(--s-8)}.stt-step:last-child{border-right:0}}
.stt-step__n{font-family:Inter,sans-serif;font-weight:800;font-size:.875rem;color:var(--lime-700);letter-spacing:.04em}
.stt-step h3{margin:10px 0 8px}
.stt-step p{color:var(--muted);font-size:var(--fs-sm);margin:0 0 20px}
.stt-step__ui{margin-top:auto;display:flex;gap:6px;flex-wrap:wrap;padding:14px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);pointer-events:none}
.stt-step__ui .ste-chip{height:30px;font-size:var(--fs-xs);padding:0 10px}
.stt-step__ui--nav span{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:var(--fs-xs);font-weight:700;background:var(--surface-2);border:1px solid var(--line)}
.stt-step__ui--nav .is-a{background:var(--lime-400);border-color:var(--lime-500);color:var(--ink-900)}
.stt-step__ui--nav .is-c{background:var(--ink-900);color:#fff;border-color:var(--ink-900);box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--ink-900)}
.stt-step__ui--nav .is-m{background:var(--warning-bg);border-color:var(--warning);color:var(--warning-ink)}
.stt-step__ui--bars{flex-direction:column;gap:10px}
.stt-step__ui--bars>div{display:grid;grid-template-columns:110px 1fr;gap:10px;align-items:center;font-size:var(--fs-xs)}

/* ---------- Q&A features ---------- */
.stt-qa{display:grid;gap:var(--s-4)}
@media (min-width:900px){.stt-qa{grid-template-columns:repeat(3,1fr)}.stt-qa__card--wide{grid-column:span 2}}
.stt-qa__card{padding:var(--s-6);border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column}
.stt-qa__card h3{font-size:1.1875rem}
.stt-qa__card p{color:var(--muted);font-size:var(--fs-sm)}
.stt-qa__card.is-dark{border-color:var(--ink-900)}
.stt-qa__card.is-dark p{color:var(--on-dark-muted)}
.stt-qa__card.is-dark .ste-ring__track{stroke:rgba(255,255,255,.12)}
.stt-qa__score{display:flex;align-items:center;gap:24px;margin-top:auto;padding-top:8px}
.stt-qa__score dl{display:flex;gap:28px;margin:0}
.stt-qa__score dt{font-size:var(--fs-cap);color:var(--on-dark-muted)}
.stt-qa__score dd{margin:0;font-size:1.375rem;font-weight:700}
.stt-qa__score dd small{font-size:var(--fs-xs);color:var(--on-dark-muted);font-weight:500}
.stt-qa__weak{list-style:none;padding:0;margin:auto 0 0;display:grid;gap:8px}
.stt-qa__weak li{display:flex;justify-content:space-between;padding:10px 12px;border-radius:var(--r-md);background:var(--surface-2);font-size:var(--fs-sm)}
.stt-qa__next{margin-top:auto;display:flex;gap:8px;align-items:center;padding:12px;border-radius:var(--r-md);background:var(--lime-50);border:1px solid var(--lime-200);font-size:var(--fs-sm);font-weight:600}
.stt-qa__next .ste-icon{color:var(--lime-700)}
.stt-qa__card .stt-spark{margin-top:auto}

/* ---------- Levels (SSC/HSC) ---------- */
.stt-levels{display:grid;gap:var(--s-4)}
@media (min-width:900px){.stt-levels{grid-template-columns:1fr 1fr}}
.stt-level{padding:clamp(24px,3vw,36px);border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:12px}
.stt-level.is-dark{border-color:var(--ink-900)}
.stt-level__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.stt-level__head h2,.stt-level__head h3{font-family:Inter,sans-serif;font-size:clamp(2rem,1.5rem + 2vw,3rem);font-weight:800;letter-spacing:-.03em;margin:0;line-height:1}
.stt-level__head span{font-size:var(--fs-sm);color:var(--muted)}
.stt-level.is-dark .stt-level__head span,.stt-level.is-dark p{color:var(--on-dark-muted)}
.stt-level p{color:var(--muted);margin:0}
.stt-level__sub{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--subtle);margin:12px 0 0}
.stt-level__links{list-style:none;padding:0;margin:8px 0 12px;display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:560px){.stt-level__links{grid-template-columns:1fr 1fr;column-gap:24px}}
.stt-level__links a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:var(--fs-sm);font-weight:var(--fw-med)}
.stt-level.is-dark .stt-level__links a{border-color:rgba(255,255,255,.1)}
.stt-level__links a small{margin-left:auto;margin-right:8px;color:var(--subtle)}
.stt-level__links a .ste-icon{color:var(--subtle);transition:transform var(--t)}
.stt-level__links a:hover .ste-icon{transform:translateX(3px);color:currentColor}
.stt-level .ste-btn{align-self:flex-start;margin-top:auto}
.stt-level .ste-chips{margin-top:8px}
.stt-level.is-dark .ste-chip{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.2)}
.stt-level.is-dark .ste-chip:hover{border-color:var(--lime-400)}

/* ---------- Subjects ---------- */
.stt-subjects{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.stt-subject{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);text-decoration:none;transition:border-color var(--t),box-shadow var(--t)}
.stt-subject:hover{border-color:var(--ink-900);box-shadow:0 2px 0 var(--lime-400)}
.stt-subject__mono{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:var(--ink-900);color:var(--lime-400);font-weight:700;font-size:1.125rem;flex-shrink:0}
.stt-subject__body{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.4}
.stt-subject__body strong{font-size:var(--fs-sm)}
.stt-subject__body small{color:var(--muted);font-size:var(--fs-xs)}
.stt-subject>.ste-icon{color:var(--subtle)}
.stt-subject-group+.stt-subject-group{margin-top:48px}
.stt-subject-group__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.stt-subject-group__head h2{font-family:Inter,sans-serif;font-weight:800;margin:0}

/* ---------- Leaderboard teaser & mini list ---------- */
.stt-lb-teaser{display:grid;gap:var(--s-8);align-items:center}
@media (min-width:900px){.stt-lb-teaser{grid-template-columns:.9fr 1.1fr}}
.stt-lb-teaser__copy .ste-btn{margin-top:20px}
.stt-lb-mini{list-style:none;margin:0;padding:0}
.stt-lb-mini li{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line)}
.stt-lb-mini li:last-child{border-bottom:0}
.stt-lb-mini__rank{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-weight:700;font-size:var(--fs-xs);background:var(--surface-2);flex-shrink:0}
.stt-lb-mini li.is-top-1 .stt-lb-mini__rank{background:var(--lime-400);color:var(--ink-900)}
.stt-lb-mini li.is-top-2 .stt-lb-mini__rank,.stt-lb-mini li.is-top-3 .stt-lb-mini__rank{background:var(--ink-900);color:#fff}
.stt-lb-mini__name{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35;font-weight:600;font-size:var(--fs-sm)}
.stt-lb-mini__name small{font-weight:400;color:var(--muted);font-size:var(--fs-xs)}
.stt-lb-mini b{font-size:1.0625rem}

/* ---------- Posts ---------- */
.stt-posts{display:grid;gap:var(--s-6);grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr))}
.stt-post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow var(--t),border-color var(--t)}
.stt-post-card:hover{box-shadow:var(--sh-2);border-color:var(--line-strong)}
.stt-post-card__media{display:block;aspect-ratio:16/9;background:var(--ink-900);overflow:hidden}
.stt-post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.stt-post-card:hover .stt-post-card__media img{transform:scale(1.03)}
.stt-post-card__ph{display:flex;align-items:flex-end;height:100%;padding:16px;background:var(--ink-900);background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px}
.stt-post-card__ph span{background:var(--lime-400);color:var(--ink-900);font-weight:700;font-size:var(--fs-xs);padding:4px 10px;border-radius:4px}
.stt-post-card__body{padding:var(--s-5);display:flex;flex-direction:column;flex:1}
.stt-post-card__meta{display:flex;gap:8px;font-size:var(--fs-xs);color:var(--muted);margin-bottom:8px;flex-wrap:wrap}
.stt-post-card__meta a{text-decoration:none;font-weight:600;color:var(--lime-700)}
.stt-post-card__title{font-size:1.125rem;line-height:1.45;margin:0 0 8px}
.stt-post-card__title a{text-decoration:none}
.stt-post-card__title a:hover{text-decoration:underline}
.stt-post-card__excerpt{color:var(--muted);font-size:var(--fs-sm);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.stt-post-card__date{margin-top:auto;font-size:var(--fs-xs);color:var(--subtle)}

/* ---------- FAQ split ---------- */
.stt-faq-split{display:grid;gap:var(--s-8)}
@media (min-width:900px){.stt-faq-split{grid-template-columns:.8fr 1.2fr;gap:var(--s-16)}}
.stt-faq-more{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:40px;flex-wrap:wrap}

/* ---------- CTA band ---------- */
.stt-cta{padding-block:clamp(48px,6vw,80px);position:relative;overflow:hidden}
.stt-cta::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border:1px solid rgba(189,245,22,.25);border-radius:50%;pointer-events:none}
.stt-cta__inner{display:grid;gap:var(--s-6);align-items:center;position:relative}
@media (min-width:900px){.stt-cta__inner{grid-template-columns:1.4fr auto}}
.stt-cta h2{font-size:var(--fs-h2);margin:0 0 10px;max-width:760px}
.stt-cta p{color:var(--on-dark-muted);margin:0;max-width:620px}
.stt-cta__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.stt-footer{padding-top:clamp(48px,6vw,72px);border-top:1px solid rgba(255,255,255,.06);background:var(--ink-950)}
.stt-footer__top{display:grid;gap:var(--s-10);padding-bottom:var(--s-10)}
@media (min-width:1024px){.stt-footer__top{grid-template-columns:minmax(260px,.8fr) 2fr;gap:var(--s-16)}}
.stt-footer__brand p{color:var(--on-dark-muted);font-size:var(--fs-sm);margin:16px 0;max-width:340px}
.stt-footer__logo .stt-logo__img{height:40px}
.stt-footer__social{display:flex;gap:4px;margin-left:-8px}
.stt-footer__social .ste-icon-btn{color:var(--on-dark-muted)}
.stt-footer__social .ste-icon-btn:hover{color:var(--lime-400)}
.stt-footer__cols{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-8)}
@media (min-width:768px){.stt-footer__cols{grid-template-columns:repeat(4,1fr)}}
.stt-footer__cols h2{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--subtle);margin:0 0 14px;font-weight:600}
.stt-footer__cols ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.stt-footer__cols a{text-decoration:none;color:var(--on-dark);font-size:var(--fs-sm);opacity:.85}
.stt-footer__cols a:hover{opacity:1;color:var(--lime-400)}
.stt-footer__contact li{display:flex;gap:8px;align-items:flex-start;font-size:var(--fs-sm);color:var(--on-dark-muted)}
.stt-footer__contact .ste-icon{margin-top:4px;color:var(--lime-400)}
.stt-footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 0 calc(20px + env(safe-area-inset-bottom));border-top:1px solid rgba(255,255,255,.08);font-size:var(--fs-xs);color:var(--subtle)}
.stt-footer__bottom p{margin:0}
.stt-footer__bottom ul{list-style:none;margin:0;padding:0;display:flex;gap:20px;flex-wrap:wrap}
.stt-footer__bottom a{text-decoration:none;color:var(--on-dark-muted)}
.stt-footer__bottom a:hover{color:#fff}

/* ---------- Page heads ---------- */
.stt-pagehead{padding:clamp(28px,4vw,48px) 0 clamp(24px,3vw,36px);background:var(--surface);border-bottom:1px solid var(--line)}
.stt-pagehead.is-dark{background:var(--ink-900);border-bottom:0}
.stt-pagehead__row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.stt-pagehead__title{font-size:var(--fs-h1);margin:14px 0 0;line-height:1.3;max-width:860px}
.stt-pagehead__lead{color:var(--muted);font-size:1.0625rem;margin:12px 0 0;max-width:720px}
.stt-pagehead.is-dark .stt-pagehead__lead{color:var(--on-dark-muted)}
.stt-pagehead__chips{margin-top:20px}
.stt-pagehead--center{text-align:center}
.stt-pagehead--center .stt-pagehead__lead{margin-inline:auto}
.stt-pagehead--center .ste-crumbs ol{justify-content:center}
.stt-pagehead--center .ste-alert{margin-top:20px;text-align:left}
.stt-pagehead--about{padding-block:clamp(40px,6vw,88px)}
.stt-pagehead--about .stt-pagehead__title{font-size:var(--fs-display);max-width:960px}

/* ---------- Exam browse ---------- */
.stt-browse{display:grid;gap:var(--s-6);align-items:start}
@media (min-width:1024px){.stt-browse{grid-template-columns:272px minmax(0,1fr);gap:var(--s-8)}}
.stt-browse__bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.stt-browse__count{margin:0;color:var(--muted)}
.stt-browse__count strong{color:var(--text);font-size:1.125rem;margin-right:2px}
.stt-sort{min-height:36px;padding-top:4px;padding-bottom:4px;font-size:var(--fs-sm);width:auto}
.stt-active-filters{margin-bottom:16px}
.stt-active-filters .ste-chip{height:32px;font-size:var(--fs-xs);background:var(--lime-50);border-color:var(--lime-200);color:var(--ink-900)}
.stt-filters__form{display:flex;flex-direction:column;gap:18px}
.stt-filters__form .ste-field+.ste-field{margin-top:0}
.stt-filters__head{display:flex;justify-content:space-between;align-items:center}
.stt-filters__head h2{font-size:1.125rem;margin:0}
.stt-filters__set{border:0;padding:0;margin:0}
.stt-filters__set legend{margin-bottom:8px;padding:0}
.stt-opts{display:flex;flex-wrap:wrap;gap:6px}
.stt-opt input{position:absolute;opacity:0;width:1px;height:1px}
.stt-opt span{display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--line-strong);font-size:var(--fs-xs);font-weight:600;background:var(--surface);cursor:pointer;transition:all var(--t)}
.stt-opt span:hover{border-color:var(--ink-900)}
.stt-opt input:checked+span{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.stt-opt input:focus-visible+span{box-shadow:var(--focus)}
.stt-filters__actions{display:grid;gap:8px}
@media (min-width:1024px){
	.stt-filters{position:sticky;top:calc(var(--header-h) + 20px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:var(--s-5);max-height:calc(100vh - var(--header-h) - 40px);overflow:auto}
	.stt-filters__close,.stt-filters-open{display:none!important}
	.js .stt-filters__actions .ste-btn--primary{display:none}
}
@media (max-width:1023px){
	.stt-filters{position:fixed;left:0;right:0;bottom:0;max-height:88vh;overflow:auto;background:var(--surface);border-radius:var(--r-xl) var(--r-xl) 0 0;z-index:100;transform:translateY(100%);transition:transform var(--t-slow) var(--ease);padding:16px var(--gutter) calc(20px + env(safe-area-inset-bottom));box-shadow:var(--sh-3);visibility:hidden}
	.stt-filters.is-open{transform:none;visibility:visible}
	.stt-filters__actions{position:sticky;bottom:calc(-20px - env(safe-area-inset-bottom));background:var(--surface);padding:12px 0 4px;grid-template-columns:1fr 1fr}
}

/* ---------- Exam single ---------- */
.stt-exam-head__badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}
.stt-exam-layout{display:grid;gap:var(--s-6);align-items:start}
@media (min-width:1024px){.stt-exam-layout{grid-template-columns:minmax(0,1fr) 360px;gap:var(--s-8)}.stt-exam-aside{position:sticky;top:calc(var(--header-h) + 20px)}}
@media (max-width:1023px){.stt-exam-aside{order:-1}}
.stt-exam-main{display:flex;flex-direction:column;gap:var(--s-4);min-width:0}
.stt-facts{display:grid;grid-template-columns:repeat(2,1fr);margin:0;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden}
@media (min-width:640px){.stt-facts{grid-template-columns:repeat(3,1fr)}}
.stt-facts>div{padding:16px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stt-facts>div:nth-child(2n){border-right:0}
.stt-facts>div:nth-last-child(-n+2){border-bottom:0}
@media (min-width:640px){.stt-facts>div:nth-child(2n){border-right:1px solid var(--line)}.stt-facts>div:nth-child(3n){border-right:0}.stt-facts>div:nth-last-child(-n+3){border-bottom:0}}
.stt-facts dt{font-size:var(--fs-xs);color:var(--muted)}
.stt-facts dd{margin:4px 0 0;font-size:1.125rem;font-weight:700}
.stt-exam-block .ste-card__title{margin-bottom:12px}
.stt-exam-notes{list-style:none;padding:16px 0 0;margin:16px 0 0;border-top:1px solid var(--line);display:grid;gap:12px}
.stt-exam-notes li{display:flex;gap:12px;font-size:var(--fs-sm);color:var(--text-2);line-height:1.6}
.stt-exam-notes .ste-icon{color:var(--lime-700);margin-top:2px}
.stt-exam-tags{font-size:var(--fs-sm);margin:16px 0 0}
.stt-attempts{list-style:none;margin:0;padding:0}
.stt-attempts li{display:grid;grid-template-columns:auto 1fr auto auto;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:var(--fs-sm)}
.stt-attempts li:last-child{border-bottom:0}
.stt-attempts__date{color:var(--muted);font-size:var(--fs-xs);min-width:96px}
.stt-start{border-radius:var(--r-xl);padding:var(--s-6);display:flex;flex-direction:column;gap:14px}
.stt-start__time{display:flex;align-items:baseline;gap:10px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1)}
.stt-start__time span{font-family:Inter,sans-serif;font-size:3rem;font-weight:800;line-height:1;color:var(--lime-400);letter-spacing:-.03em}
.stt-start__time small{color:var(--on-dark-muted);font-size:var(--fs-sm)}
.stt-start__msg{color:var(--on-dark-muted);font-size:var(--fs-sm);margin:0}
.stt-start__msg b{color:#fff}
.stt-start__agree{color:var(--on-dark);margin-bottom:12px}
.stt-start__agree input{accent-color:var(--lime-400)}
.stt-start__fine{display:flex;gap:6px;align-items:center;font-size:var(--fs-xs);color:var(--on-dark-muted);margin:0}
.stt-start .ste-alert{background:rgba(220,38,38,.12);border-color:rgba(220,38,38,.35);color:#ffb4ab}

/* ---------- Results & leaderboard pages ---------- */
.stt-results-layout{display:grid;gap:var(--s-6);align-items:start}
@media (min-width:1024px){.stt-results-layout{grid-template-columns:minmax(0,1fr) 340px}}
.stt-results-pick{margin-bottom:16px;display:grid;gap:6px;max-width:560px}
.stt-results-pick .ste-row{flex-wrap:nowrap}
.stt-merit-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 20px 16px;flex-wrap:wrap}
.stt-merit-head h2{font-size:1.125rem;margin:0}
.stt-merit-head p{margin:2px 0 0;font-size:var(--fs-xs)}
.stt-table-plain{border:0;border-radius:0;border-top:1px solid var(--line)}
.stt-rank{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--surface-2);font-weight:700;font-size:var(--fs-xs)}
tr.is-top-1 .stt-rank{background:var(--lime-400);color:var(--ink-900)}
tr.is-top-2 .stt-rank,tr.is-top-3 .stt-rank{background:var(--ink-900);color:#fff}
.stt-my-results{list-style:none;padding:0;margin:8px 0 16px}
.stt-my-results a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:var(--fs-sm)}
.stt-my-results small{display:block;color:var(--muted);font-size:var(--fs-xs)}

.stt-lb__bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.stt-lb__rule{display:flex;gap:6px;align-items:center;font-size:var(--fs-xs);margin:0}
.stt-lb__me{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r-lg);background:var(--ink-900);color:#fff;margin-bottom:20px;flex-wrap:wrap}
.stt-lb__me div{flex:1;display:flex;flex-direction:column;line-height:1.4;min-width:160px}
.stt-lb__me small{color:var(--on-dark-muted)}
.stt-lb .ste-alert{margin-bottom:20px}
.stt-podium{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:12px;grid-template-columns:1fr}
@media (min-width:720px){.stt-podium{grid-template-columns:1fr 1.12fr 1fr;align-items:end}.stt-podium__item.is-top-1{order:2;padding-block:32px}.stt-podium__item.is-top-2{order:1}.stt-podium__item.is-top-3{order:3}}
.stt-podium__item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:24px 16px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line);position:relative}
.stt-podium__item.is-top-1{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.stt-podium__item.is-top-1 small{color:var(--on-dark-muted)!important}
.stt-podium__item.is-top-1 .ste-avatar{box-shadow:0 0 0 3px var(--lime-400);border-color:var(--ink-900)}
.stt-podium__rank{position:absolute;top:12px;left:12px;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:var(--fs-sm);background:var(--surface-2)}
.stt-podium__item.is-top-1 .stt-podium__rank{background:var(--lime-400);color:var(--ink-900)}
.stt-podium__pts{font-family:Inter,"Hind Siliguri",sans-serif;font-size:1.5rem;font-weight:800}
.stt-podium__pts small{font-size:var(--fs-xs);font-weight:500}
.stt-lb__table tr.is-me{background:var(--lime-50)}

/* ---------- Pricing ---------- */
.stt-plans{display:grid;gap:var(--s-4);grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));align-items:stretch;max-width:1100px;margin-inline:auto}
.stt-plan{display:flex;flex-direction:column;gap:16px;padding:clamp(24px,3vw,32px);border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface)}
.stt-plan.is-featured{border-color:var(--ink-900);box-shadow:var(--sh-3)}
@media (min-width:960px){.stt-plan.is-featured{transform:translateY(-8px)}}
.stt-plan__head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.stt-plan__head h2{font-size:1.25rem;margin:0}
.stt-plan__desc{color:var(--muted);font-size:var(--fs-sm);margin:0}
.stt-plan.is-dark .stt-plan__desc,.stt-plan.is-dark .stt-plan__price small{color:var(--on-dark-muted)}
.stt-plan__price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px solid var(--line)}
.stt-plan.is-dark .stt-plan__price{border-color:rgba(255,255,255,.12)}
.stt-plan__price span{font-family:Inter,"Hind Siliguri",sans-serif;font-size:2.5rem;font-weight:800;letter-spacing:-.02em;line-height:1}
.stt-plan__price small{color:var(--muted)}
.stt-plan__price s{color:var(--subtle);font-size:var(--fs-sm)}
.stt-plan__features{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:10px;flex:1}
.stt-plan__features li{display:flex;gap:10px;font-size:var(--fs-sm);line-height:1.6}
.stt-plan__features .ste-icon{color:var(--lime-700);margin-top:3px}
.stt-plan.is-dark .stt-plan__features .ste-icon{color:var(--lime-400)}
.stt-plans__note{display:flex;gap:8px;justify-content:center;align-items:center;text-align:center;font-size:var(--fs-sm);margin-top:28px;flex-wrap:wrap}

/* ---------- Contact ---------- */
.stt-contact{display:grid;gap:var(--s-6);align-items:start}
@media (min-width:1024px){.stt-contact{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}}
.stt-contact__aside{display:grid;gap:var(--s-4)}
.stt-contact__list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.stt-contact__list li{display:flex;gap:12px;align-items:flex-start;font-size:var(--fs-sm)}
.stt-contact__list .ste-icon{color:var(--lime-700);margin-top:3px}
.stt-contact__faq{display:flex;justify-content:space-between;align-items:center;text-decoration:none}
.stt-contact__faq span{display:flex;flex-direction:column}
.stt-form .ste-alert{margin-bottom:16px}
.stt-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- About ---------- */
.stt-about{display:grid;gap:var(--s-8);align-items:start}
@media (min-width:1024px){.stt-about{grid-template-columns:minmax(0,1fr) 320px;gap:var(--s-16)}.stt-about__stats{position:sticky;top:calc(var(--header-h) + 24px)}}
.stt-about__stats{display:grid;gap:12px}
.stt-about__stat{padding:20px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface)}
.stt-about__stat span{display:block;font-family:Inter,"Hind Siliguri",sans-serif;font-size:2.25rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.stt-about__stat small{color:var(--muted)}

/* ---------- Prose & articles ---------- */
.stt-prose{font-size:1.125rem;line-height:1.85;color:var(--text-2);max-width:72ch}
.stt-prose--compact{font-size:var(--fs-body);line-height:1.75}
.stt-prose>*:first-child{margin-top:0}
.stt-prose h2{font-size:1.5rem;margin:2em 0 .6em;color:var(--text);scroll-margin-top:calc(var(--header-h) + 20px)}
.stt-prose h3{font-size:1.25rem;margin:1.6em 0 .5em;color:var(--text)}
.stt-prose p{margin:0 0 1.1em}
.stt-prose ul,.stt-prose ol{margin:0 0 1.2em;padding-left:1.4em}
.stt-prose li{margin:.35em 0}
.stt-prose li::marker{color:var(--lime-700)}
.stt-prose a{color:var(--text);text-decoration-color:var(--lime-500);text-decoration-thickness:2px}
.stt-prose blockquote{margin:1.5em 0;padding:4px 0 4px 20px;border-left:3px solid var(--lime-400);font-size:1.1875rem;color:var(--text)}
.stt-prose img{border-radius:var(--r-lg)}
.stt-prose code{background:var(--surface-2);padding:2px 6px;border-radius:4px;font-size:.9em}
.stt-prose table{width:100%;border-collapse:collapse;font-size:var(--fs-sm)}
.stt-prose th,.stt-prose td{border:1px solid var(--line);padding:8px 12px;text-align:left}
.stt-prose strong{color:var(--text)}
.stt-updated{font-size:var(--fs-xs);margin-top:40px}
.stt-article__head{border-bottom:0;padding-bottom:12px}
.stt-article__cat{margin-top:20px;text-decoration:none}
.stt-article__title{font-size:clamp(1.875rem,1.4rem + 2vw,2.75rem)}
.stt-article__meta{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.stt-article__meta img{border-radius:50%}
.stt-article__meta span{display:flex;flex-direction:column;line-height:1.4;font-size:var(--fs-sm)}
.stt-article__meta small{color:var(--muted);font-size:var(--fs-xs)}
.stt-article__media{margin-top:24px}
.stt-article__media img{border-radius:var(--r-xl);width:100%}
.stt-article__layout{display:grid;gap:var(--s-8);padding-block:var(--s-10);max-width:1200px}
@media (min-width:1100px){.stt-article__layout{grid-template-columns:220px minmax(0,72ch) 1fr;justify-content:center}.stt-article__layout:not(.has-toc){grid-template-columns:minmax(0,72ch) 120px}.stt-article__toc,.stt-article__share{position:sticky;top:calc(var(--header-h) + 24px);align-self:start}.stt-article__share{flex-direction:column;align-items:flex-start}}
@media (max-width:1099px){.stt-article__layout{max-width:calc(760px + var(--gutter)*2)}}
.stt-toc{padding:16px 18px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.stt-toc__title{font-size:var(--fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--subtle);margin:0 0 8px}
.stt-toc ol{margin:0;padding-left:1.1em;font-size:var(--fs-sm);line-height:1.5;display:grid;gap:8px}
.stt-toc a{text-decoration:none;color:var(--text-2)}
.stt-toc a:hover,.stt-toc a.is-active{color:var(--text);text-decoration:underline;text-decoration-color:var(--lime-500)}
.stt-article__share{display:flex;align-items:center;gap:4px;font-size:var(--fs-xs)}
.stt-article__cta{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 24px;border-radius:var(--r-lg);background:var(--ink-900);color:#fff;margin-bottom:var(--section)}
.stt-article__cta div{display:flex;flex-direction:column}
.stt-article__cta span{color:var(--on-dark-muted);font-size:var(--fs-sm)}

/* ---------- Search page / 404 ---------- */
.stt-searchform{display:flex;gap:8px;margin-top:20px;max-width:640px}
.stt-searchform .ste-input{flex:1}
.stt-search-results{display:grid;gap:var(--s-4);grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.stt-search-h{font-size:1.125rem}
.stt-404__code{font-family:Inter,"Hind Siliguri",sans-serif;font-size:clamp(5rem,12vw,9rem);font-weight:800;line-height:1;margin:0 0 8px;color:var(--ink-900);-webkit-text-stroke:0;letter-spacing:-.04em}
.stt-404__code{background:linear-gradient(transparent 62%,var(--lime-400) 62%,var(--lime-400) 86%,transparent 86%);display:inline-block;padding:0 12px}

/* Reveal on scroll */
.js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}
.stt-header.is-scrolled{box-shadow:0 8px 24px -12px rgba(0,0,0,.5)}
.stt-qa__card.is-dark,.stt-level.is-dark,.stt-plan.is-dark{background:var(--ink-900);color:var(--on-dark)}
.stt-qa__card.is-dark .ste-ring__value{color:#fff}
.stt-results-layout,.stt-browse,.stt-exam-layout,.stt-contact,.stt-about,.stt-lb-teaser,.stt-faq-split{grid-template-columns:minmax(0,1fr)}
@media (min-width:1024px){.stt-results-layout{grid-template-columns:minmax(0,1fr) 340px}.stt-browse{grid-template-columns:272px minmax(0,1fr)}.stt-exam-layout{grid-template-columns:minmax(0,1fr) 360px}.stt-contact{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}.stt-about{grid-template-columns:minmax(0,1fr) 320px}}
@media (min-width:900px){.stt-lb-teaser{grid-template-columns:.9fr 1.1fr}.stt-faq-split{grid-template-columns:.8fr 1.2fr}}
@media (max-width:479px){.stt-mock--trend{display:none}.stt-hero__visual{padding-bottom:28px}}
@media (max-width:599px){.home .stt-subjects>.stt-subject:nth-child(n+9){display:none}}
@media (min-width:601px){.admin-bar .stt-header{top:var(--wp-admin--admin-bar--height,32px)}}