/* EngineeringHulk - site stylesheet (static rebuild, 2026-09-28)
   Sections: 1 tokens+fonts · 2 base · 3 header/nav · 4 search · 5 layout · 6 article · 7 content kit
             8 legacy content classes · 9 tools · 10 ads · 11 cards/listings · 12 home · 13 footer · 14 print */

/* ---------- 1. tokens + fonts ---------- */
@font-face{font-family:"Inter";src:url(/assets/fonts/inter-latin.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Lora";src:url(/assets/fonts/lora-latin.woff2) format("woff2");font-weight:600 700;font-display:swap}
:root{
 --navy:#0F2044;--navy-2:#1A3560;--navy-3:#243F73;
 --orange:#E86A2E;--orange-2:#F08044;--orange-ink:#B8481A;--orange-pale:#FFF3EC;--orange-line:#F7CDB4;
 --ink:#15213B;--text:#334155;--muted:#64748B;--faint:#94A3B8;
 --bg:#FFFFFF;--surface:#F6F8FB;--surface-2:#EEF2F7;--line:#E2E8F0;--line-2:#CBD5E1;
 --green:#15803D;--green-pale:#ECFDF3;--blue-pale:#EFF6FF;--red:#B91C1C;--red-pale:#FEF2F2;--amber-pale:#FFFBEB;
 --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 --serif:"Lora",Georgia,"Times New Roman",serif;
 --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
 --radius:12px;--radius-s:8px;
 --shadow:0 1px 2px rgba(15,32,68,.06),0 4px 16px rgba(15,32,68,.06);
 --shadow-l:0 10px 40px rgba(15,32,68,.14);
 --wrap:1200px;--read:740px;--gut:clamp(16px,4vw,32px);
}

/* ---------- 2. base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.7 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg,video,iframe{max-width:100%}
img{height:auto}
a{color:var(--orange-ink);text-underline-offset:2px}
a:hover{color:var(--orange)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#fff;font-weight:600;padding:12px 22px;border-radius:10px;text-decoration:none;border:0;cursor:pointer;font-size:1rem;transition:background .15s,transform .15s}
.btn:hover{background:var(--orange-ink);color:#fff}
.btn-ghost{background:transparent;color:var(--navy);border:1px solid var(--line-2)}
.btn-ghost:hover{background:var(--surface);color:var(--navy)}

/* ---------- 3. header / nav ---------- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.6) blur(10px);-webkit-backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);height:64px;display:flex;align-items:center;gap:18px}
.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font:700 1.32rem/1 var(--serif);letter-spacing:-.3px;color:var(--navy);flex:none}
.logo:hover{color:var(--navy)}
.logo img{width:32px;height:32px;display:block}
.logo b{color:var(--orange);font-weight:700}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav>ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.nav li{position:relative}
.nav a.top,.nav button.top{display:flex;align-items:center;gap:4px;padding:8px 11px;border-radius:8px;color:var(--ink);text-decoration:none;font:600 .92rem/1.2 var(--sans);background:none;border:0;cursor:pointer;white-space:nowrap}
.nav a.top:hover,.nav li:hover>.top,.nav li:focus-within>.top{background:var(--surface);color:var(--navy)}
.nav .top[aria-current="true"]{color:var(--orange-ink)}
.nav .caret{width:10px;height:10px;opacity:.6}
.drop{position:absolute;top:calc(100% + 6px);left:-8px;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-l);padding:8px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s}
.drop::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.nav li:hover>.drop,.nav li:focus-within>.drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:8px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:.9rem;line-height:1.35}
.drop a:hover{background:var(--surface);color:var(--navy)}
.drop a.all{margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 8px 8px;color:var(--orange-ink);font-weight:600;padding-top:10px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;flex:none}
.icon-btn:hover{background:var(--surface)}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none}
@media (max-width:1080px){
 .nav>ul{display:none}
 .menu-btn{display:inline-flex}
 .hdr-in{gap:10px}
 .nav{gap:8px}
}
/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:300;display:none}
.drawer.open{display:block}
.drawer-bg{position:absolute;inset:0;background:rgba(15,32,68,.45)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;overflow-y:auto;padding:14px 16px 40px;box-shadow:var(--shadow-l)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.drawer details{border-bottom:1px solid var(--line)}
.drawer summary,.drawer .d-link{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;font-weight:600;color:var(--ink);text-decoration:none;cursor:pointer;list-style:none}
.drawer summary::-webkit-details-marker{display:none}
.drawer summary::after{content:"+";font-size:1.3rem;color:var(--muted);font-weight:400}
.drawer details[open] summary::after{content:"\2212"}
.drawer .d-link{border-bottom:1px solid var(--line)}
.btn svg{width:18px;height:18px;flex:none}
.drawer .btn{justify-content:center}
.drawer details a{display:block;padding:9px 12px;color:var(--text);text-decoration:none;font-size:.95rem;border-radius:8px}
.drawer details a:hover{background:var(--surface)}
.drawer details div{padding:0 0 10px}

/* ---------- 4. search ---------- */
.srch{position:fixed;inset:0;z-index:400;display:none;background:rgba(15,32,68,.5);padding:8vh 16px 16px}
.srch.open{display:block}
.srch-box{max-width:680px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:var(--shadow-l);overflow:hidden}
.srch-bar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.srch-bar svg{width:20px;height:20px;color:var(--muted);flex:none}
.srch-bar input{flex:1;border:0;outline:0;font:500 1.08rem var(--sans);color:var(--ink);min-width:0;background:transparent}
.srch-res{max-height:60vh;overflow-y:auto;padding:6px}
.srch-res a{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--ink)}
.srch-res a:hover,.srch-res a.on{background:var(--surface)}
.srch-res b{display:block;font-weight:600;font-size:.98rem;line-height:1.35}
.srch-res span{display:block;font-size:.8rem;color:var(--muted);margin-top:2px}
.srch-empty{padding:18px 14px;color:var(--muted);font-size:.95rem}
.kbd{font:600 .72rem var(--sans);color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px}

/* ---------- 5. layout ---------- */
main{display:block;min-height:50vh}
.page{max-width:var(--wrap);margin:0 auto;padding:28px var(--gut) 64px}
.crumbs{font-size:.84rem;color:var(--muted);margin:0 0 14px;display:flex;flex-wrap:wrap;gap:4px 6px;align-items:center;list-style:none;padding:0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--orange-ink);text-decoration:underline}
.crumbs li+li::before{content:"\203A";margin-right:6px;color:var(--faint)}
.crumbs li[aria-current]{color:var(--text);max-width:48ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.grid-art{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1100px){
 .grid-art.has-side{grid-template-columns:minmax(0,var(--read)) 300px;justify-content:space-between}
}
.art-main{min-width:0;max-width:var(--read)}
.wide .art-main{max-width:none}
.side{display:none}
@media (min-width:1100px){
 .side{display:block}
 .side-in{display:flex;flex-direction:column;gap:24px;height:100%}
 .side .ad-side{position:sticky;top:88px}
}

/* ---------- 6. article header / meta ---------- */
.art-h h1{font:700 clamp(1.8rem,3.6vw,2.6rem)/1.18 var(--serif);letter-spacing:-.5px;color:var(--ink);margin:0 0 14px}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:.88rem;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px}
.byline a{color:var(--ink);font-weight:600;text-decoration:none}
.byline a:hover{color:var(--orange-ink)}
.byline .dot{width:3px;height:3px;border-radius:50%;background:var(--faint)}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:inline-flex;align-items:center;justify-content:center;font:700 .78rem var(--sans);flex:none}
.feat{margin:0 0 28px}
.feat img{display:block;width:100%;max-height:460px;object-fit:cover;border-radius:var(--radius);background:var(--surface)}
.toc-side{border:1px solid var(--line);border-radius:var(--radius);padding:16px 8px 12px 16px;max-height:70vh;overflow:auto}
.toc-side p{margin:0 0 8px;font:700 .74rem var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.toc-side ol{list-style:none;margin:0;padding:0}
.toc-side a{display:block;padding:5px 8px 5px 10px;border-left:2px solid var(--line);color:var(--text);text-decoration:none;font-size:.86rem;line-height:1.4}
.toc-side a:hover{color:var(--navy);border-left-color:var(--line-2)}
.toc-side a.on{color:var(--orange-ink);border-left-color:var(--orange);font-weight:600}
@media (min-width:1100px){ .has-side-toc .eh-toc{display:none} }
.toc-mob{display:block;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 26px;background:var(--surface)}
.toc-mob summary{padding:12px 16px;font-weight:600;color:var(--ink);cursor:pointer}
.toc-mob ol{margin:0;padding:0 16px 14px 36px;font-size:.93rem}
.toc-mob li{margin:4px 0}
.toc-mob a{color:var(--text);text-decoration:none}
@media (min-width:1100px){ .toc-mob{display:none} }

/* ---------- 7. prose + content kit ---------- */
.prose{font-size:1.06rem;line-height:1.78;color:var(--text);overflow-wrap:break-word}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.15em}
.prose h2{font:700 clamp(1.4rem,2.4vw,1.72rem)/1.28 var(--serif);letter-spacing:-.3px;color:var(--ink);margin:2em 0 .7em}
.prose h3{font:700 1.24rem/1.35 var(--sans);color:var(--navy);margin:1.7em 0 .55em}
.prose h4{font:700 1.06rem/1.4 var(--sans);color:var(--ink);margin:1.5em 0 .5em}
.prose h5,.prose h6{font:700 1rem/1.4 var(--sans);color:var(--ink);margin:1.3em 0 .4em}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin:0 0 .45em}
.prose li>ul,.prose li>ol{margin:.45em 0 0}
.prose strong{color:var(--ink);font-weight:650}
.prose a{color:var(--orange-ink);font-weight:500;text-decoration:underline;text-decoration-color:rgba(184,72,26,.35);text-decoration-thickness:1px}
.prose a:hover{text-decoration-color:currentColor}
.prose img{border-radius:10px}
.prose figure{margin:1.8em 0}
.prose figcaption,.prose .wp-element-caption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:8px}
.prose hr,.prose .wp-block-separator{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.prose blockquote,.prose .wp-block-quote{margin:1.6em 0;padding:14px 22px;border-left:4px solid var(--orange);background:var(--surface);border-radius:0 10px 10px 0;color:var(--text)}
.prose blockquote p:last-child{margin-bottom:0}
.prose pre,.prose .wp-block-code{background:#0B1830;color:#E6EDF7;padding:18px 20px;border-radius:10px;overflow-x:auto;font:400 .88rem/1.6 var(--mono);margin:1.5em 0}
.prose pre code{background:none;color:inherit;padding:0;font-size:inherit}
.prose :not(pre)>code{background:var(--orange-pale);color:#8A3413;padding:2px 6px;border-radius:5px;font:500 .88em var(--mono)}
.prose sub,.prose sup{line-height:0}
/* tables: always scroll inside their own box on small screens */
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.93rem;line-height:1.5}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.6em 0;border:1px solid var(--line);border-radius:10px}
.tbl>table{margin:0;border:0}
.prose th{background:var(--navy);color:#fff;text-align:left;padding:10px 14px;font-weight:600;vertical-align:bottom}
.prose td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:nth-child(even) td{background:var(--surface)}
.prose tr:last-child td{border-bottom:0}
.prose .has-text-align-center{text-align:center}.prose .has-text-align-left{text-align:left}.prose .has-text-align-right{text-align:right}
.prose .aligncenter{display:block;margin-left:auto;margin-right:auto}
.prose .alignleft{float:left;margin:.3em 1.4em 1em 0}.prose .alignright{float:right;margin:.3em 0 1em 1.4em}
@media (max-width:600px){.prose .alignleft,.prose .alignright{float:none;margin:1em auto}}
.prose .wp-block-image{margin:1.8em 0}
.prose .wp-block-image img{display:block}
.prose details{border:1px solid var(--line);border-radius:10px;margin:0 0 10px;background:#fff}
.prose details>summary{padding:12px 16px;font-weight:600;color:var(--ink);cursor:pointer}
.prose details>*:not(summary){padding:0 16px}
.prose details[open]>summary{border-bottom:1px solid var(--line);margin-bottom:10px}
/* the eh-* kit (kept class names, new look) */
.eh-subtitle{font-size:1.14rem;color:var(--muted);line-height:1.65;margin:0 0 1em}
.eh-last-updated,.eh-updated{font-size:.82rem;color:var(--faint);margin:0 0 1.4em}
.art-h~.prose .eh-last-updated,.art-h~.prose .eh-updated{display:none}
.eh-summary-box,.eh-highlight-box{background:var(--orange-pale);border:1px solid var(--orange-line);border-left:4px solid var(--orange);border-radius:var(--radius);padding:18px 22px;margin:1.8em 0}
.eh-summary-box h2,.eh-summary-box h3,.eh-highlight-box h2,.eh-highlight-box h3{margin:0 0 .5em;font-size:1.1rem}
.eh-summary-box>*:last-child,.eh-highlight-box>*:last-child{margin-bottom:0}
.eh-toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;margin:1.8em 0}
.eh-toc h2,.eh-toc h3,.eh-toc p:first-child{font:700 .8rem var(--sans)!important;letter-spacing:.08em;text-transform:uppercase;color:var(--text)!important;margin:0 0 .6em!important}
.eh-toc ol,.eh-toc ul{margin:0;font-size:.95rem}
.eh-toc a{color:var(--ink);text-decoration:none;font-weight:500}
.eh-toc a:hover{color:var(--orange-ink);text-decoration:underline}
.eh-formula-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:18px 24px;margin:1.6em 0;overflow-x:auto}
.eh-formula-box,.eh-formula-box *{color:#fff!important}
.eh-formula-box td,.eh-formula-box th{background:transparent!important;border-color:rgba(255,255,255,.14)!important}
.eh-formula-box tr:nth-child(even) td{background:rgba(255,255,255,.07)!important}
.eh-formula-box a{text-decoration:underline}
.eh-example-box,.eh-solution,.eh-gate-question{background:var(--blue-pale);border:1px solid #BFDBFE;border-left:4px solid #2563EB;border-radius:var(--radius);padding:18px 22px;margin:1.6em 0}
.eh-mistakes-box,.eh-misconception{background:var(--red-pale);border:1px solid #FECACA;border-left:4px solid #DC2626;border-radius:var(--radius);padding:18px 22px;margin:1.6em 0}
.eh-example-box>*:last-child,.eh-solution>*:last-child,.eh-mistakes-box>*:last-child,.eh-misconception>*:last-child,.eh-gate-question>*:last-child{margin-bottom:0}
.eh-example-box h3,.eh-example-box h4,.eh-mistakes-box h3,.eh-mistakes-box h4,.eh-misconception h3,.eh-solution h4{margin-top:0}
.eh-data-table,.eh-table{width:100%}
.eh-table-wrapper{overflow-x:auto;margin:1.6em 0}
.eh-faq,.eh-faq-section{margin:2.2em 0}
.eh-faq-item{border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:0 0 12px;background:#fff}
.eh-faq-item h3,.eh-faq-item h4{margin:0 0 .45em;font-size:1.04rem;color:var(--ink)}
.eh-faq-item p:last-child{margin-bottom:0}
.eh-next-steps{background:var(--navy);border-radius:14px;padding:22px 26px;margin:2.4em 0;color:#fff}
.eh-next-steps *{color:#fff}
.eh-next-steps h2,.eh-next-steps h3{margin:0 0 .6em;font-size:1.2rem;color:#fff}
.eh-next-steps ul,.eh-next-steps ol{list-style:none;padding:0;margin:0}
.eh-next-steps li{margin:0}
.eh-next-steps a{display:block;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#fff!important;text-decoration:none;font-weight:500}
.eh-next-steps a:hover{color:#FDBA8C!important}
.eh-next-steps li:last-child a,.eh-next-steps a:last-child{border-bottom:0}
.eh-figure{margin:1.8em 0;text-align:center}
.eh-related,.eh-mcq-cta{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:2em 0}
.eh-related>*:last-child,.eh-mcq-cta>*:last-child{margin-bottom:0}
.eh-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:1.6em 0}
.eh-card{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:#fff}
.eh-card h3{margin-top:0;font-size:1.02rem}
.eh-section{margin:2.2em 0}
.eh-jobs-related{display:none}
/* MCQ reveal */
.eh-mcq-page details summary{color:var(--orange-ink)}

/* ---------- 8. page-specific legacy blocks ---------- */
.jee-hero,.qp-hero,.jr-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2) 60%,var(--navy-3))!important;color:#fff;padding:40px 30px 34px;border-radius:16px;margin:0 0 26px;text-align:left}
.jee-hero h1,.qp-hero h1,.jr-hero h1{font:700 clamp(1.7rem,3.4vw,2.4rem)/1.2 var(--serif)!important;color:#fff!important;margin:0 0 12px!important}
.jee-hero p,.jee-sub{color:#D5DEEE}
.jee-sub{font-size:1.04em;max-width:730px}
.jee-updated{font-size:.84em;opacity:.8;margin-top:14px}
.jee-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:16px}
.jee-stat b{font-size:1.7em;font-weight:800;color:#FDBA8C;display:block}
.jee-stat span{font-size:.8em;opacity:.85}
.jee-parentstrip{background:var(--amber-pale);border:1px solid #FDE68A;border-left:5px solid #F59E0B;padding:15px 22px;border-radius:10px;margin-bottom:16px;font-size:.96em;color:#5D4037}
.jee-scamstrip{background:var(--red-pale);border:1px solid #F5C6CB;border-left:5px solid #D32F2F;padding:12px 20px;border-radius:10px;margin-bottom:24px;font-size:.9em;color:#7F1D1D}
.jee-intro{background:var(--orange-pale);border-left:5px solid var(--orange);padding:18px 24px;border-radius:10px;margin-bottom:28px;color:var(--ink)}
.jee-keybox{border:1px solid var(--line);border-radius:12px;padding:18px 24px;margin-bottom:28px}
.jee-keybox h3{margin-top:0;font-size:1.04em}
.jee-table{width:100%}
.jee-tbd{color:var(--red);font-style:italic}
.jee-callout{background:var(--orange-pale);border:1px solid var(--orange-line);border-left:5px solid var(--orange);padding:13px 20px;border-radius:10px;margin:18px 0;font-size:.95em;color:#7A3A12}
.jee-grid,.jee-pillar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:22px 0}
.jee-card,.jee-pillar-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.jee-card-tag{background:var(--orange-pale);color:var(--orange-ink);font-size:.73em;font-weight:700;padding:3px 9px;border-radius:10px;display:inline-block;margin-bottom:9px}
.jee-card-title{font-size:1.03em;font-weight:800;color:var(--ink);margin-bottom:7px;line-height:1.3}
.jee-card-desc{font-size:.9em;color:var(--muted);margin-bottom:10px}
.jee-go{font-weight:700;color:var(--orange-ink);text-decoration:none;font-size:.9em}
.jee-soon{font-size:.81em;font-weight:700;color:var(--faint)}
.jee-faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden}
.jee-faq-q{background:var(--surface);padding:14px 20px;font-weight:700;color:var(--ink);font-size:.95em}
.jee-faq-a{padding:13px 20px;font-size:.93em;border-top:1px solid var(--line)}
.jee-help{background:var(--green-pale);border:2px solid #86EFAC;border-radius:12px;padding:18px 24px;margin:30px 0;font-size:.95em;color:#14532D}
.jee-src{font-size:.82em;color:var(--muted);margin-top:6px}
.jee-steps{counter-reset:s;list-style:none;padding:0;margin:18px 0}
.jee-steps li{position:relative;padding:10px 0 10px 44px;border-bottom:1px dashed var(--line);font-size:.95em}
.jee-steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:8px;background:var(--orange);color:#fff;width:28px;height:28px;border-radius:50%;text-align:center;line-height:28px;font-weight:700;font-size:.85em}
.jee-tool-box{background:#fff;border:2px solid var(--navy);border-radius:14px;padding:24px;margin:24px 0;box-shadow:var(--shadow)}
.jee-tool-field{margin-bottom:16px}
.jee-tool-label{display:block;font-weight:700;color:var(--ink);font-size:.92em;margin-bottom:6px}
.jee-tool-input,.jee-tool-select{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:9px;font-size:1rem;font-family:inherit}
.jee-tool-btn{display:inline-block;background:var(--orange);color:#fff;border:none;padding:12px 28px;border-radius:10px;font-weight:700;font-size:1em;cursor:pointer}
.jee-tool-btn:hover{background:var(--orange-ink)}
.jee-tool-out{margin-top:20px;padding:20px;background:var(--surface);border-radius:12px;display:none}
.jee-tool-out.show{display:block}
.jee-tool-big{font-size:1.7em;font-weight:800;color:var(--navy);margin:6px 0}
.jee-tool-note{font-size:.84em;color:var(--muted);margin-top:12px;font-style:italic}
.jee-cockpit-frame-wrapper iframe{width:100%;height:calc(100vh - 140px);min-height:720px;display:block;border:0;border-radius:12px}

/* ---------- 9. calculators + tools ---------- */
.eh-calc-box{border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:14px;padding:24px;margin:24px auto 32px;background:#fff;max-width:600px;box-shadow:var(--shadow)}
.eh-calc-box h2{margin-top:0!important;text-align:center;font-size:1.3rem!important}
.eh-calc-field{margin:12px 0;display:flex;flex-direction:column}
.eh-calc-field label{font-weight:600;margin-bottom:5px;color:var(--ink);font-size:.95rem}
.eh-calc-field input,.eh-calc-field select{padding:11px 12px;border:1px solid var(--line-2);border-radius:9px;font:400 16px var(--sans);background:#fff;color:var(--ink)}
.eh-calc-field input:focus,.eh-calc-field select:focus{border-color:var(--orange);outline:0;box-shadow:0 0 0 3px rgba(232,106,46,.18)}
.eh-calc-actions{text-align:center;margin-top:10px}
.eh-calc-btn{background:var(--orange);color:#fff;border:0;padding:12px 26px;border-radius:10px;font:600 16px var(--sans);cursor:pointer}
.eh-calc-btn:hover{background:var(--orange-ink)}
.eh-calc-btn-sec{background:var(--surface-2);color:var(--navy);border:0;padding:12px 18px;border-radius:10px;font:600 16px var(--sans);cursor:pointer;margin-left:8px}
.eh-calc-out{margin-top:16px;padding:14px;background:var(--surface);border-radius:10px;min-height:24px;font-size:16px;line-height:1.7;text-align:center;color:var(--ink)}
.eh-t2-wide{max-width:680px}
.eh-t2 textarea{padding:10px;border:1px solid var(--line-2);border-radius:9px;font:400 16px var(--sans);width:100%}
.eh-t2-row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.eh-t2-row>.eh-calc-field{min-width:0}
.eh-t2-row .eh-calc-field input,.eh-t2-row .eh-calc-field select{width:100%}
@media (max-width:520px){.eh-t2-row{grid-template-columns:1fr}}
.eh-t2-presets{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:4px 0 10px}
.eh-t2-chip{background:var(--orange-pale);color:var(--orange-ink);border:1px solid var(--orange-line);border-radius:999px;padding:7px 13px;font:600 14px var(--sans);cursor:pointer}
.eh-t2-chip:hover{background:var(--orange);color:#fff}
.eh-t2-check{display:flex;align-items:center;gap:8px;font-weight:600;margin:10px 0}
.eh-t2-check input{width:18px;height:18px}
.eh-t2-swaprow{text-align:center;margin:2px 0 4px}
.eh-t2-swaprow .eh-calc-btn-sec{margin-left:0}
.eh-t2 .eh-calc-actions .eh-calc-btn-sec{margin-top:8px}
.eh-t2-big{font-size:44px;font-weight:700;color:var(--navy);line-height:1.2;word-break:break-all}
.eh-t2-list{font-size:18px;font-weight:600;color:var(--navy);word-break:break-word;max-height:260px;overflow:auto;text-align:left}
.eh-t2-meta{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.5}
.eh-t2-err{color:var(--red);font-weight:600}
.eh-t2-ol{text-align:left;display:inline-block;margin:0;font-size:18px;font-weight:600;color:var(--navy)}
.eh-t2-all{margin-top:12px}
.eh-t2-all summary{cursor:pointer;font-weight:600;color:var(--navy)}
.eh-t2-tbl{width:100%;border-collapse:collapse;font-size:14px;margin-top:8px}
.eh-t2-tbl th,.eh-t2-tbl td{border:1px solid var(--line);padding:6px 8px;text-align:left}
.eh-t2-tbl th{background:var(--surface);color:var(--ink)}
.eh-t2 .eh-calc-out{word-wrap:break-word}

/* ---------- 10. ads (space is reserved so the page never jumps; empty slots collapse) ---------- */
.ad{margin:34px auto;text-align:center;clear:both;min-height:0}
.ad-l{display:block;font:600 .68rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.ad ins{display:block;min-height:280px}
.ad-top ins{min-height:100px}
.ad-end ins{min-height:250px}
.ad:has(ins[data-ad-status="unfilled"]){display:none}
.ad-side{text-align:center}
.ad-side ins{display:inline-block;width:300px;height:600px}
@media (max-width:1099px){.ad-side{display:none}}
@media (max-width:600px){.ad{margin:28px -4px}.ad ins{min-height:250px}.ad-top ins{min-height:100px}}

/* ---------- 11. cards, listings, related ---------- */
.sec-h{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:0 0 18px}
.sec-h h2{font:700 clamp(1.4rem,2.6vw,1.9rem)/1.2 var(--serif);letter-spacing:-.3px}
.sec-h a{font-weight:600;font-size:.92rem;text-decoration:none;white-space:nowrap}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .18s,transform .18s,border-color .18s}
.card:hover{box-shadow:var(--shadow-l);transform:translateY(-2px);border-color:var(--line-2);color:inherit}
.card-img{aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;display:block}
.card-img.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:rgba(255,255,255,.9);font:700 1.05rem var(--serif);padding:20px;text-align:center}
.card-b{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.tag{display:inline-block;align-self:flex-start;background:var(--orange-pale);color:var(--orange-ink);font:700 .7rem/1 var(--sans);letter-spacing:.04em;text-transform:uppercase;padding:5px 8px;border-radius:6px}
.card h3{font:650 1.04rem/1.35 var(--sans);color:var(--ink)}
.card p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto;font-size:.8rem;color:var(--faint)}
.list-h{padding:34px 0 8px}
.list-h h1{font:700 clamp(1.9rem,3.8vw,2.7rem)/1.15 var(--serif);letter-spacing:-.5px;margin:0 0 10px}
.list-h p{max-width:720px;color:var(--muted);margin:0 0 18px;font-size:1.05rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-size:.88rem;font-weight:500;background:#fff}
.chip:hover{border-color:var(--orange);color:var(--orange-ink)}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.chip small{color:var(--faint);font-weight:600}
.chip.on small{color:#C6D2E8}
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:40px 0 0}
.pager a,.pager span{min-width:42px;height:42px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.92rem}
.pager a:hover{border-color:var(--orange);color:var(--orange-ink)}
.pager .on{background:var(--navy);color:#fff;border-color:var(--navy)}
.pager .gap{border:0}
.more{margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.more h2{font:700 1.3rem/1.3 var(--serif);margin:0 0 16px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:40px 0 0}
.pn a{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 18px;text-decoration:none;color:var(--ink);transition:border-color .15s}
.pn a:hover{border-color:var(--orange)}
.pn small{display:block;color:var(--muted);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.pn b{font-weight:600;line-height:1.35;display:block}
.pn .nx{text-align:right;grid-column:2}
@media (max-width:600px){.pn{grid-template-columns:1fr}.pn .nx{grid-column:auto}}
.topics{columns:2 260px;column-gap:28px;list-style:none;padding:0;margin:0}
.topics li{break-inside:avoid;margin:0 0 2px}
.topics a{display:block;padding:8px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.95rem;line-height:1.4}
.topics a:hover{background:var(--surface);color:var(--orange-ink)}
.topics a[aria-current]{background:var(--orange-pale);color:var(--orange-ink);font-weight:600}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border-radius:var(--radius);padding:20px;margin:40px 0 0}
.author-box .avatar{width:52px;height:52px;font-size:1.1rem}
.author-box p{margin:4px 0 0;font-size:.92rem;color:var(--muted);line-height:1.6}
.author-box b{color:var(--ink)}
.in-sec{margin:40px 0 0}
.in-sec h2{font:700 1.3rem var(--serif);margin:0 0 14px}

/* ---------- 12. home ---------- */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(232,106,46,.22),transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:clamp(48px,8vw,96px) 0 clamp(56px,8vw,88px)}
.hero h1{font:700 clamp(2.1rem,5.2vw,3.6rem)/1.08 var(--serif);letter-spacing:-1px;color:#fff;margin:0 0 18px;max-width:820px}
.hero h1 em{font-style:normal;color:#FDBA8C}
.hero p.lead{font-size:clamp(1.05rem,1.8vw,1.22rem);color:#C9D5EA;max-width:680px;margin:0 0 28px;line-height:1.6}
.hero-search{display:flex;align-items:center;gap:10px;max-width:620px;background:#fff;border-radius:14px;padding:8px 8px 8px 16px;box-shadow:0 18px 50px rgba(0,0,0,.25);cursor:text;border:0;width:100%;text-align:left}
.hero-search svg{width:20px;height:20px;color:var(--muted);flex:none}
.hero-search span{flex:1;color:var(--muted);font-size:1.02rem}
.hero-search span.btn{flex:none;color:#fff;padding:10px 20px}
.hero-pop{margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.86rem;color:#AFC0DC}
.hero-pop a{color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 12px;font-weight:500}
.hero-pop a:hover{background:rgba(255,255,255,.1);color:#fff}
.stats{display:flex;flex-wrap:wrap;gap:14px 40px;margin:36px 0 0;padding:0;list-style:none}
@media (max-width:600px){.stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}}
.stats b{display:block;font:700 1.9rem/1 var(--serif);color:#fff}
.stats span{font-size:.85rem;color:#AFC0DC}
.band{padding:clamp(48px,7vw,80px) 0}
.band.alt{background:var(--surface)}
.branches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:900px){.branches{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}
@media (max-width:600px){.branch{padding:16px;gap:8px}.branch p{display:none}.branch .ico{width:40px;height:40px}.branch h3{font-size:1rem}}
.branch{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none;color:inherit;transition:box-shadow .18s,transform .18s,border-color .18s}
.branch:hover{box-shadow:var(--shadow-l);transform:translateY(-3px);border-color:var(--orange-line);color:inherit}
.branch .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--orange-pale);color:var(--orange-ink)}
.branch .ico svg{width:24px;height:24px}
.branch h3{font:700 1.12rem/1.3 var(--sans);color:var(--ink)}
.branch p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.5}
.branch .n{margin-top:auto;font-size:.82rem;font-weight:600;color:var(--orange-ink)}
.rank{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:10px 28px;list-style:none;padding:0;margin:0;counter-reset:r}
.rank li{counter-increment:r}
.rank a{display:flex;gap:14px;align-items:baseline;padding:12px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.rank a::before{content:counter(r,decimal-leading-zero);font:700 .9rem var(--serif);color:var(--orange);min-width:24px}
.rank a:hover b{color:var(--orange-ink)}
.rank b{font-weight:600;line-height:1.4}
.rank a>span{min-width:0}
.rank small{display:block;color:var(--muted);font-size:.8rem;margin-top:2px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tool{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--ink);font-weight:600;font-size:.93rem;line-height:1.3}
.tool:hover{border-color:var(--orange);color:var(--orange-ink)}
.tool i{width:34px;height:34px;border-radius:9px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font:700 .8rem var(--sans);font-style:normal;flex:none}
.promise{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.promise div{padding:4px 0}
.promise h3{font:700 1.05rem var(--sans);margin:0 0 6px}
.promise p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.6}
.promise svg{width:28px;height:28px;color:var(--orange);margin-bottom:10px}

/* ---------- 13. footer ---------- */
.ftr{background:var(--navy);color:#B8C6DE;margin-top:0;padding:56px 0 28px;font-size:.92rem}
.ftr-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
@media (max-width:900px){.ftr-grid{grid-template-columns:1fr 1fr}.ftr-about{grid-column:1/-1}}
@media (max-width:420px){.ftr-grid{grid-template-columns:1fr 1fr;gap:24px 16px}}
.ftr .logo{color:#fff;margin-bottom:12px}
.ftr p{margin:0;line-height:1.65;max-width:340px}
.ftr .fh{color:#fff;font:700 .78rem var(--sans);letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin:0 0 9px}
.ftr a{color:#B8C6DE;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;font-size:.84rem;color:#8FA2C4}
.ftr-bot nav{display:flex;flex-wrap:wrap;gap:6px 18px}

/* ---------- misc pages ---------- */
.narrow{max-width:760px;margin:0 auto}
.lead{font-size:1.14rem;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:28px 0}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:#fff}
.panel h2{font:700 1.2rem var(--serif);margin:0 0 10px}
.form label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 6px;color:var(--ink)}
.form input,.form textarea,.form select{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:9px;font:400 16px var(--sans);color:var(--ink);background:#fff}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--orange);outline:0;box-shadow:0 0 0 3px rgba(232,106,46,.18)}
.form .btn{margin-top:18px}
.e404{text-align:center;padding:80px 0}
.e404 h1{font:700 clamp(2rem,5vw,3rem) var(--serif);margin:0 0 12px}
.search-page input{width:100%;padding:14px 16px;border:1px solid var(--line-2);border-radius:12px;font:500 1.1rem var(--sans)}
.search-page .srch-res{max-height:none;padding:10px 0}

/* ---------- 14. print ---------- */
@media print{.hdr,.ftr,.side,.ad,.more,.pn,.toc-mob,.drawer,.srch{display:none!important}.prose{font-size:12pt}}