@font-face{font-family:Vazirmatn;src:url('/assets/Vazirmatn-Variable.woff2') format('woff2');font-weight:100 900;font-display:swap}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font:15px/1.95 Vazirmatn,Tahoma,sans-serif;background:#f7f5f0;color:#24453b}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.6;cursor:default}h1,h2,h3,p{margin:0}h1{font-size:clamp(28px,3.4vw,46px);line-height:1.65;letter-spacing:-1px}h2{font-size:25px;line-height:1.8}h3{font-size:18px;line-height:1.8}p{color:#69786d}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ba8b48;outline-offset:4px}input:focus,select:focus{border-color:#527f66;outline:3px solid #bed2c0}svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}.skip{position:fixed;top:-80px;right:20px;padding:10px;background:white;z-index:100}.skip:focus{top:10px}.site-header{background:#fffefa;border-bottom:1px solid #e1e5dc}.header-inner{max-width:1320px;padding:23px 36px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:16px}.brand img{width:100px;height:auto}.brand span{border-right:1px solid #dce3da;padding-right:16px;font-size:14px;font-weight:650}.site-header nav{display:flex;align-items:center;gap:25px;font-size:14px}.site-header nav a[aria-current]{color:#a67a3e;font-weight:700}.button,.button-light{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:11px;padding:11px 20px;border:1px solid #173f35;font-weight:600;text-align:center;line-height:1.9}.button{background:#173f35;color:#fffefa}.button-light{background:#fffefa;color:#173f35;border-color:#dce4d9}.button:hover{background:#245443}.button-light:hover{background:#edf3e9}.eyebrow{display:block;color:#9f783f;font-size:12px;font-weight:650;margin-bottom:10px;letter-spacing:.2px}.shell{max-width:1320px;margin:auto;padding:35px 36px 60px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;font-size:12px;color:#7b8579;margin-bottom:23px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:30px 0 45px}.hero p{font-size:17px;max-width:620px;margin:18px 0 25px;line-height:2.1}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-small{font-size:12px!important;color:#7b8579;margin:15px 0 0!important}.hero-art{background:#e5ece3;border:1px solid #d4dfd1;border-radius:28px;padding:26px;box-shadow:0 20px 35px #163f3508;transform:rotate(-2deg)}.art-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ccd8c9;padding-bottom:15px;margin-bottom:20px;font-size:12px}.art-top b{font-size:15px}.art-tags{display:flex;gap:6px}.art-tags i{display:block;width:7px;height:7px;border-radius:50%;background:#a2b59e}.variant-demo{background:#fffefa;padding:20px;border-radius:15px}.variant-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.variant-title strong{font-size:16px}.variant-table{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;text-align:center;font-size:13px}.variant-table span{background:#eef2e9;border-radius:7px;padding:8px 4px}.variant-table .cell-head{font-size:11px;background:transparent;color:#798473}.variant-table .highlight{background:#173f35;color:white}.art-note{padding:13px 16px;background:#f3e4c8;color:#72592f;font-size:12px;border-radius:9px;margin-top:15px}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin:24px 0}.section-top p{font-size:13px;margin-top:6px}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{background:#fffefa;border:1px solid #e1e5da;border-radius:18px;padding:25px;display:flex;flex-direction:column;min-height:260px;transition:transform .2s,border-color .2s}.course-card:hover{transform:translateY(-3px);border-color:#a8bda2}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:13px;background:#ecf1e6;color:#355a44}.card-category{font-size:11px;color:#93816b}.course-card p{font-size:13px;margin:12px 0 20px}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;margin-top:auto;color:#9a7339}.card-status{color:#6d8069;font-size:11px}.progress-strip{display:flex;align-items:center;gap:22px;padding:23px 26px;border:1px solid #dbe2d4;background:#eaf0e4;border-radius:17px;margin:0 0 32px}.progress-strip p{font-size:12px}.progress-track{height:7px;background:#d7dfd0;border-radius:5px;overflow:hidden;min-width:90px;flex:1}.progress-fill{width:0;height:100%;background:#406c50;transition:width .3s}.progress-label{font-size:12px;white-space:nowrap}.cross-callout{margin-top:35px;border-radius:21px;background:#173f35;color:white;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cross-callout p{color:#d6e2d2;font-size:14px;margin-top:7px}.cross-callout .button-light{white-space:nowrap;border-color:#bba57e;background:#e4c798}.site-footer{border-top:1px solid #dee3d8;background:#eeeae1;padding:25px 36px;color:#67796b;font-size:12px}.footer-inner{max-width:1248px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.lesson-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:28px;align-items:start}.lesson-sidebar{background:#173f35;border-radius:20px;padding:24px 15px;position:sticky;top:24px;color:#f8f7ef}.lesson-sidebar h2{font-size:16px;padding:0 13px}.lesson-sidebar .sub{color:#bccfbd;font-size:11px;padding:4px 13px 20px}.lesson-nav{display:grid;gap:5px}.lesson-nav a{display:flex;align-items:center;gap:10px;font-size:13px;border-radius:10px;padding:11px 13px;color:#deeadc}.lesson-nav a[aria-current]{background:#34594a;color:#f5dcac}.lesson-nav a:hover{background:#285041}.lesson-sidebar .all{font-size:12px;margin:25px 13px 0;display:block;color:#e2c799}.lesson-title{margin-bottom:22px}.lesson-title h1{font-size:33px}.lesson-title p{margin-top:12px;font-size:15px}.lesson-meta{display:flex;gap:15px;font-size:12px;color:#9b7944;margin-top:14px}.guide-card{padding:27px;background:#fffefa;border:1px solid #e0e5da;border-radius:18px;margin-top:18px}.guide-card p{margin-top:10px;font-size:14px}.step-number{display:grid;place-items:center;float:right;width:34px;height:34px;border-radius:50%;background:#e8eee2;color:#4f724f;font-size:14px;margin-left:12px}.guide-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.guide-image{margin:0 0 24px;background:white;border:1px solid #dce3d6;border-radius:17px;overflow:hidden}.guide-image img{width:100%;height:auto;display:block}.guide-image figcaption{font-size:11px;padding:12px 18px;color:#788574;background:#f1f3ec}.steps{list-style:none;padding:0;margin:0}.step-read{border:1px solid #d9e3d3;background:#f2f6ee;color:#476d48;padding:7px 13px;border-radius:8px;font-size:12px}.step-read[aria-pressed=true]{background:#365c42;color:#fff}.practice{background:white;border:1px solid #dce4d5;border-radius:20px;overflow:hidden;margin-top:28px;scroll-margin-top:25px}.practice-head{padding:24px 27px;background:#e9efe5;display:flex;justify-content:space-between;gap:20px;align-items:center}.practice-head h2{font-size:22px}.practice-head .eyebrow{margin:0;font-size:11px}.practice-body{padding:25px}.objective{background:#f7f2e6;border-right:3px solid #c6a16d;padding:14px 17px;font-size:14px;color:#77623c;border-radius:7px;margin-bottom:21px}.sim-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.sim-stat{border:1px solid #e0e6dc;border-radius:12px;background:#fafbf7;padding:14px}.sim-stat span{font-size:11px;color:#798573;display:block}.sim-stat strong{font-size:17px;color:#244e3c;display:block;margin-top:6px;overflow-wrap:anywhere}.sim-stat small{font-size:10px;color:#7e8879}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid #dfe5d9;border-radius:12px}table{border-collapse:collapse;width:100%;font-size:12px;background:#fff}th,td{padding:12px 14px;text-align:right;white-space:nowrap;border-bottom:1px solid #e9ece4}th{background:#f0f4ea;color:#6b7c63;font-size:11px}tr:last-child td{border-bottom:0}.swatch{display:inline-block;vertical-align:middle;width:10px;height:10px;border-radius:50%;margin-left:6px;border:1px solid #0001}.sim-form{padding:20px;background:#f4f6ef;border-radius:13px;margin-top:20px}.sim-form h3{margin-bottom:15px;font-size:17px}.sim-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:550}input,select{border:1px solid #d7e1d1;border-radius:8px;padding:10px 11px;min-width:0;width:100%;background:#fff;color:#234639}label.wide{grid-column:1/-1}.form-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:16px}.form-row .button{font-size:13px}.reset{font-size:12px;background:transparent;border:0;color:#86724f;text-decoration:underline;text-underline-offset:4px}.feedback{padding:14px 17px;border-radius:9px;margin-top:15px;font-size:13px;background:#f0f4e9;color:#476345;white-space:pre-wrap}.feedback.error{background:#fff0e6;color:#91472e}.feedback.success{background:#e4f0e2;color:#315b35}.sim-check{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px}.sim-note{font-size:11px;color:#7a8575;margin-top:17px}.event-log{font-size:12px;color:#788471;margin-top:20px}.event-log summary{cursor:pointer}.event-log ol{padding-right:22px;line-height:2.3}.lesson-bottom{margin-top:25px;display:flex;gap:12px;flex-wrap:wrap}.faq{margin-top:25px}.faq details{background:#fffefa;border:1px solid #e1e6da;border-radius:11px;padding:17px 21px;margin-top:12px}.faq summary{cursor:pointer;font-weight:600;font-size:14px}.faq p{font-size:13px;margin-top:13px}.lab-page .hero{grid-template-columns:1.2fr .8fr}.lab-label{display:inline-block;border:1px solid #b8ccae;border-radius:30px;padding:4px 12px;color:#607f57;font-size:11px}.lab-detail{max-width:1070px;margin:0 auto}.lab-detail .lesson-title{max-width:850px}.lab-detail .lesson-title h1{font-size:38px}.lab-intro{font-size:15px;line-height:2.2;margin-bottom:25px}.explanation{padding:25px;background:#eeeee4;border-radius:15px;margin-top:25px}.explanation p{font-size:14px}.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}.intro-note{border-top:2px solid #c2cfae;padding-top:15px;font-size:13px}.intro-note b{display:block;margin-bottom:8px}.empty-live{padding:20px;background:#f2f4ed;border-radius:12px}.print-only{display:none}@media(min-width:1400px){.lesson-layout{gap:38px}.practice-body{padding:30px}}@media(max-width:1000px){.header-inner,.shell{padding-left:24px;padding-right:24px}.header-inner nav{gap:14px;font-size:12px}.lesson-layout{grid-template-columns:195px minmax(0,1fr);gap:20px}.lesson-sidebar{padding-inline:10px}.lesson-nav a{font-size:12px;padding:9px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:28px}.sim-fields{grid-template-columns:1fr 1fr}.brand span{font-size:12px}.site-header .button-light{padding:8px 12px}.practice-head{padding:20px}.practice-body{padding:19px}.sim-stats{grid-template-columns:1fr 1fr}.progress-strip{gap:14px}}@media(max-width:720px){.header-inner{padding:16px 18px;gap:12px;flex-wrap:wrap}.brand img{width:78px}.brand span{font-size:11px;padding-right:10px}.site-header nav{width:100%;justify-content:space-between;gap:10px;font-size:12px;order:2}.site-header nav .button-light{font-size:11px;padding:6px 9px}.shell{padding:24px 18px 40px}.hero,.lab-page .hero{grid-template-columns:1fr;gap:27px;padding:10px 0 28px}.hero h1{font-size:34px}.hero p{font-size:15px;margin:14px 0 20px}.hero-art{max-width:480px;width:100%;margin:auto;transform:rotate(-1deg);padding:18px}.variant-demo{padding:15px}.course-grid{grid-template-columns:1fr}.course-card{padding:22px;min-height:230px}.section-top{align-items:flex-start;flex-direction:column;gap:7px}.section-top h2{font-size:23px}.progress-strip{flex-wrap:wrap;padding:18px}.progress-strip>div:first-child{width:100%}.progress-track{min-width:100px}.cross-callout{padding:24px;flex-direction:column;align-items:flex-start;gap:20px}.cross-callout h2{font-size:22px}.cross-callout p{font-size:13px}.lesson-layout{display:block}.lesson-sidebar{position:static;margin-bottom:22px;padding:18px 12px}.lesson-sidebar h2{font-size:14px}.lesson-sidebar .sub{padding-bottom:10px}.lesson-nav{display:flex;overflow-x:auto;padding-bottom:6px;gap:8px}.lesson-nav a{white-space:nowrap;flex-shrink:0}.lesson-sidebar .all{display:none}.lesson-title h1,.lab-detail .lesson-title h1{font-size:28px}.lesson-title p{font-size:14px}.guide-card{padding:21px}.guide-card h3{font-size:17px}.guide-card p{font-size:13px}.practice-head{align-items:flex-start;flex-direction:column;gap:8px;padding:20px}.practice-head h2{font-size:20px}.practice-body{padding:16px}.objective{font-size:13px}.sim-stat{padding:11px}.sim-stat strong{font-size:15px}.sim-fields{grid-template-columns:1fr}.sim-form{padding:16px}.sim-check{flex-direction:column;align-items:stretch}.sim-check .button{width:100%}.intro-grid{grid-template-columns:1fr}.footer-inner{align-items:flex-start;flex-direction:column}.site-footer{padding:24px 18px}.breadcrumbs{font-size:11px}.guide-image figcaption{font-size:10px}.lesson-meta{gap:12px;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.site-header,.lesson-sidebar,.sim-form,.sim-check,.hero-actions,.site-footer,.reset,.guide-actions,.lesson-bottom{display:none!important}.shell{max-width:none;padding:0}.lesson-layout{display:block}.practice,.guide-card{break-inside:avoid;box-shadow:none}.table-scroll{overflow:visible}.print-only{display:block}.sim-stats{grid-template-columns:repeat(3,1fr)}}

.sim-fields>.wide{grid-column:1/-1}
