/* ایزی کامفار — سبک‌های اختصاصی (صفحه معرفی و نمودار زنده)
   سبک‌های عمومی ابزار (زبانه‌ها، دفترچه آموزش، جدول‌ها) در app.css هسته است. */
.ezc-land{margin-top:1rem}
.ezc-sec{margin:3rem 0}
.ezc-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:2.4rem;align-items:center}
@media (max-width:940px){.ezc-split{grid-template-columns:1fr}}
.ezc-split h2{font-family:var(--display);font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.5}
.ezc-split p{color:var(--ink-2)}
.ezc-points{list-style:none;padding:0;margin:1rem 0 0}
.ezc-points li{padding:.35rem 1.5rem .35rem 0;position:relative}
.ezc-points li::before{content:"";position:absolute;right:0;top:.95rem;width:9px;height:9px;border-radius:3px;background:var(--sf)}
.ezc-band{background:#fff;border:1px solid var(--line);border-radius:28px;padding:2.2rem 2rem}
@media (max-width:700px){.ezc-band{padding:1.4rem 1rem;border-radius:20px}}
.jcurve{margin:0;background:#fff;color:var(--ink);border-radius:24px;padding:1.3rem 1.4rem 1.2rem;box-shadow:var(--sh-3),0 0 0 1px rgba(255,255,255,.06)}
.jc-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.jc-title{font-family:var(--display);font-weight:800;font-size:1.1rem}
.jc-sub{color:var(--muted);font-size:.82rem}
.jc-svg{width:100%;height:auto;display:block;margin:.6rem 0 .2rem;font-family:Vazirmatn,Tahoma}
.jc-svg .bar{transition:y .35s ease,height .35s ease,fill .2s}
.jc-svg .cum{fill:none;stroke:var(--sf);stroke-width:3;stroke-linejoin:round;stroke-linecap:round;transition:d .35s ease}
.jc-svg .ax{fill:var(--muted);font-size:11px}
.jc-svg .zero{stroke:#93A6A2;stroke-width:1.2}
.jc-svg .grid{stroke:var(--line-2)}
.jc-svg .pbmark{stroke:var(--ink);stroke-width:1.2;stroke-dasharray:3 4}
.jc-svg .pbtext{fill:var(--ink);font-size:11.5px;font-weight:700}
.jc-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:.55rem;margin:.6rem 0 .9rem}
.jc-kpis div{background:var(--bg);border-radius:12px;padding:.5rem .7rem}
.jc-kpis span{display:block;font-size:.76rem;color:var(--muted)}
.jc-kpis b{font-family:Vazirmatn,Tahoma;font-weight:800;font-size:1.25rem;transition:color .2s}
.jc-kpis b.neg{color:var(--pg)}.jc-kpis b.pos{color:var(--em-2)}
.jc-slider{display:block;background:var(--sf-soft);border-radius:14px;padding:.7rem .9rem .5rem}
.jc-slider>span:first-child{font-weight:700;font-size:.95rem}
.jc-slider b{color:var(--sf-2)}
.jc-slider input{width:100%;margin:.4rem 0 0;accent-color:var(--sf);padding:0;border:0;background:transparent;box-shadow:none}
.jc-scale{display:flex;justify-content:space-between;font-size:.74rem;color:var(--sf-2)}
.jc-scale i{font-style:normal}
.jcurve figcaption{display:block;font-size:.8rem;color:var(--muted);margin-top:.7rem;line-height:1.8}
.contrast{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2rem}
@media (max-width:820px){.contrast{grid-template-columns:1fr}}
.contrast-col{border-radius:var(--r-lg);padding:1.5rem 1.6rem}
.contrast-col h3{font-family:var(--display);font-size:1.15rem}
.contrast-col ul{list-style:none;padding:0;margin:0}
.contrast-col li{padding:.55rem 2rem .55rem 0;position:relative;border-top:1px solid rgba(12,43,51,.07)}
.contrast-col li:first-child{border-top:0}
.contrast-col.old{background:#F4F6F7;color:var(--ink-2)}
.contrast-col.old li::before{content:"";position:absolute;right:.25rem;top:1.25rem;width:12px;height:2px;background:var(--pg)}
.contrast-col.new{background:var(--ink);color:#E1EDEA}
.contrast-col.new h3{color:#fff}
.contrast-col.new li{border-color:rgba(255,255,255,.08)}
.contrast-col.new li::before{content:"";position:absolute;right:.2rem;top:1.05rem;width:.7rem;height:.36rem;border-left:2.5px solid var(--em-bright);border-bottom:2.5px solid var(--em-bright);transform:rotate(-45deg)}
.twotab{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;max-width:920px}
.tt-tabs{display:flex;border-bottom:1px solid var(--line);background:var(--bg);padding:.5rem .5rem 0;gap:.3rem}
.tt-tabs button{font:inherit;font-weight:800;border:1px solid transparent;border-bottom:0;background:transparent;padding:.65rem 1.2rem;border-radius:14px 14px 0 0;color:var(--muted);cursor:pointer;margin-bottom:-1px}
.tt-tabs .tt-tool[aria-selected=true]{background:#fff;color:var(--em-2);border-color:var(--line);box-shadow:inset 0 3px 0 var(--em)}
.tt-tabs .tt-learn[aria-selected=true]{background:var(--paper-learn);color:var(--sf-2);border-color:var(--rule);box-shadow:inset 0 3px 0 var(--sf)}
.tt-panel{padding:1.3rem 1.4rem}
.tt-panel[data-tt-panel=learn]{background:var(--paper-learn)}
.tt-row{display:grid;grid-template-columns:2fr 1.2fr .9fr 1.1fr;gap:.6rem;padding:.5rem .4rem;border-bottom:1px solid var(--line-2);font-size:.93rem;align-items:center}
.tt-h{font-weight:700;color:var(--muted);font-size:.82rem}
.tt-row .n{direction:ltr;text-align:left;font-weight:700}
.tag-var,.tag-fix{font-size:.78rem;font-weight:700;border-radius:99px;padding:.05rem .55rem;justify-self:start}
.tag-var{background:var(--em-soft);color:var(--em-2)}
.tag-fix{background:#E6EAF3;color:#3557A8}
.tt-out{display:flex;gap:.8rem;align-items:flex-start;margin-top:1rem;background:var(--paper-learn);border:1px solid #F1E2C2;border-radius:var(--r-sm);padding:.75rem 1rem}
.tt-out p{margin:0}
.tt-lesson h3{font-family:var(--display)}
.tt-formula{background:#fff;border:1px solid #EADFC6;border-radius:var(--r-sm);padding:.7rem;text-align:center;font-weight:800;margin:.4rem 0 .9rem}
.tt-ex{border-right:4px solid var(--em);background:#fff;border-radius:var(--r-sm);padding:.6rem .9rem;margin:0}
.path-line{list-style:none;padding:0;margin:3rem 0 0;display:grid;grid-template-columns:repeat(8,1fr);gap:.4rem;counter-reset:pl;position:relative}
.path-line::before{content:"";position:absolute;top:17px;right:4%;left:4%;height:2px;background:linear-gradient(to left,var(--em),var(--sf))}
.path-line li{counter-increment:pl;position:relative;text-align:center;padding-top:2.8rem;font-size:.86rem}
.path-line li::before{content:counter(pl,persian);position:absolute;top:0;right:50%;transform:translateX(50%);width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--em);display:grid;place-items:center;font-weight:800;color:var(--em-2)}
.path-line b{display:block;font-size:.95rem}
.path-line span{color:var(--muted);font-size:.8rem;line-height:1.6;display:block}
@media (max-width:900px){.path-line{grid-template-columns:repeat(2,1fr);gap:1.2rem .8rem}.path-line::before{display:none}}
.outputs{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:center}
@media (max-width:900px){.outputs{grid-template-columns:1fr}}
.out-list{list-style:none;padding:0;margin:0;columns:2;column-gap:2rem}
@media (max-width:600px){.out-list{columns:1}}
.out-list li{break-inside:avoid;padding:.4rem 1.4rem .4rem 0;position:relative;font-size:.96rem}
.out-list li::before{content:"";position:absolute;right:0;top:1rem;width:9px;height:9px;border-radius:2px;background:var(--em)}
.sheet-stack{position:relative;height:340px}
.sheet{position:absolute;width:78%;background:#fff;border:1px solid var(--line);border-radius:18px;padding:1rem 1.1rem;box-shadow:var(--sh-2)}
.sheet b{font-family:var(--display);display:block;margin-bottom:.6rem}
.sheet i{display:block;height:9px;border-radius:5px;background:var(--line-2);margin:.55rem 0}
.sheet i:nth-child(3){width:80%}.sheet i:nth-child(4){width:92%}.sheet i:nth-child(5){width:64%}
.sheet.s3{top:0;left:0;transform:rotate(-4deg)}
.sheet.s2{top:40px;left:9%;transform:rotate(2deg)}
.sheet.s1{top:96px;right:0;width:82%;border-color:var(--em);box-shadow:0 30px 50px -24px rgba(12,43,51,.35);display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.sheet.s1 b{grid-column:1/-1}
.sheet-kpi{background:var(--bg);border-radius:12px;padding:.55rem .75rem}
.sheet-kpi span{display:block;font-size:.76rem;color:var(--muted)}
.sheet-kpi strong{font-family:Vazirmatn,Tahoma;font-weight:800;font-size:1.3rem;color:var(--em-2)}
.curr{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:.8rem;align-items:start}
.curr-mod{border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}
.curr-mod summary{display:flex;align-items:center;gap:.7rem;padding:.8rem 1rem;cursor:pointer;list-style:none;font-weight:800}
.curr-mod summary::-webkit-details-marker{display:none}
.curr-mod summary small{margin-right:auto;color:var(--muted);font-weight:500}
.curr-mod[open] summary{border-bottom:1px solid var(--line)}
.curr-mod ul{margin:0;padding:.7rem 2.6rem .9rem 1rem;font-size:.92rem;color:var(--ink-2)}
.curr-mod li{margin-bottom:.25rem}
.who{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;margin-top:1.6rem}
.who div{border-top:3px solid var(--ink);padding-top:1rem}
.who div:nth-child(2){border-color:var(--em)}.who div:nth-child(3){border-color:var(--sf)}.who div:nth-child(4){border-color:var(--pg)}
.who h3{font-family:var(--display)}
.who p{color:var(--ink-2);font-size:.96rem}