.tk{--am:#f59e0b;--am2:#d97706;--dk:#0f172a;--ln:#e2e8f0;--mu:#64748b;max-width:1100px;margin:24px auto;font-family:inherit;color:#1e293b;line-height:1.7;padding:16px;border-radius:24px;background-color:#f8fafc;background-image:radial-gradient(circle at 10% 20%,rgba(245,158,11,.06),transparent 40%),radial-gradient(circle at 90% 80%,rgba(2,132,199,.05),transparent 40%),linear-gradient(to right,rgba(226,232,240,.7) 1px,transparent 1px),linear-gradient(to bottom,rgba(226,232,240,.7) 1px,transparent 1px);background-size:100% 100%,100% 100%,28px 28px,28px 28px}
.tk *{box-sizing:border-box}.tk input,.tk textarea,.tk select,.tk svg text,.tk h3,.tk h4,.tk h5,.tk a{font-family:inherit}.tk button{font-family:inherit;cursor:pointer}
.tk-top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:rgba(255,255,255,.95);border:1px solid var(--ln);border-radius:16px;padding:10px 18px;margin-bottom:14px}
.tk-brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:20px;color:var(--dk)}
.tk-logo{position:relative;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#f59e0b,#fcd34d);color:var(--dk);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;box-shadow:0 6px 14px rgba(245,158,11,.3)}
.tk-logo:after{content:"";position:absolute;bottom:-3px;left:-3px;width:13px;height:13px;border-radius:50%;background:#10b981;border:2px solid #fff}
.tk-brand small{display:block;font-size:11px;color:var(--mu);font-weight:500}
.tk-call{background:linear-gradient(90deg,#fbbf24,#f59e0b);color:var(--dk)!important;font-weight:900;font-size:13px;padding:9px 16px;border-radius:12px;text-decoration:none!important;direction:ltr;display:inline-block;box-shadow:0 8px 20px -4px rgba(245,158,11,.4)}
.tk-card{background:#fff;border:1px solid rgba(245,158,11,.25);border-radius:24px;box-shadow:0 25px 60px -15px rgba(245,158,11,.16),0 10px 30px -5px rgba(15,23,42,.05);overflow:hidden}
.tk-line{height:8px;background:linear-gradient(90deg,#0f172a,#f59e0b,#fbbf24)}
.tk-hd{padding:22px 26px;background:linear-gradient(#f8fafc,#fff);border-bottom:1px solid var(--ln)}
.tk-hr{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tk-tag{display:inline-block;background:#fffbeb;border:1px solid #fde68a;color:#78350f;font-size:11px;font-weight:800;padding:2px 12px;border-radius:99px;margin-bottom:6px}
.tk-hd h3{margin:0;font-size:24px;font-weight:900;color:var(--dk)}.tk-hd p{margin:2px 0 0;font-size:13px;color:var(--mu)}
.tk-steps{display:flex;gap:6px;align-items:center;background:#f1f5f9;padding:6px;border-radius:16px;border:1px solid var(--ln)}
.tk-sb{white-space:nowrap;display:flex;align-items:center;gap:8px;padding:8px 14px;border:0;border-radius:12px;background:transparent;color:#64748b;font-size:12px;font-weight:700}
.tk-sb i{font-style:normal;width:20px;height:20px;border-radius:50%;background:#e2e8f0;color:#475569;display:flex;align-items:center;justify-content:center;font-size:11px}
.tk-sb.on{background:var(--am);color:var(--dk);font-weight:900;box-shadow:0 6px 14px rgba(245,158,11,.3)}.tk-sb.on i{background:var(--dk);color:#fbbf24}
.tk-sb.ok{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.tk-sb.ok i{background:#059669;color:#fff}
.tk-bar{height:6px;background:#e2e8f0;border-radius:99px;margin-top:18px;overflow:hidden}.tk-bar i{display:block;height:100%;width:33%;background:linear-gradient(90deg,#fbbf24,#f59e0b);border-radius:99px;transition:width .5s}
.tk-pane{padding:24px 26px}
.tk-err{display:none;margin:16px 26px 0;padding:10px 14px;background:#fff1f2;border:1px solid #fecdd3;color:#be123c;border-radius:12px;font-size:13px;font-weight:700}
.tk-grid{display:grid;grid-template-columns:5fr 7fr;gap:22px;align-items:stretch}
/* HUD */
.tk-hud{border:2px solid var(--ln);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.tk-hh{background:var(--dk);color:#fcd34d;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;font-family:inherit;font-size:11px;font-weight:700;letter-spacing:.05em;direction:ltr}
.tk-hh span:last-child{color:#34d399}
.tk-cv{position:relative;flex:1;min-height:290px;display:flex;align-items:center;justify-content:center;padding:20px;background-color:#fff;background-image:linear-gradient(to right,rgba(217,119,6,.12) 1px,transparent 1px),linear-gradient(to bottom,rgba(217,119,6,.12) 1px,transparent 1px),linear-gradient(to right,rgba(14,165,233,.07) 5px,transparent 5px),linear-gradient(to bottom,rgba(14,165,233,.07) 5px,transparent 5px);background-size:20px 20px,20px 20px,100px 100px,100px 100px}
.tk-bd{position:absolute;inset:14px;border:2px dashed rgba(148,163,184,.7);border-radius:14px;pointer-events:none}
.tk-bd:after{content:"EFFECTIVE SURFACE AREA BOUNDARY";position:absolute;bottom:4px;left:0;right:0;text-align:center;font-size:10px;letter-spacing:.15em;color:#cbd5e1}
.tk-cv svg{width:100%;height:230px;position:relative;z-index:1}
.tk-lb{position:absolute;top:12px;left:16px;z-index:2;background:rgba(15,23,42,.92);color:#fff;padding:4px 10px;border-radius:8px;font-size:11px;border:1px solid #334155;font-family:inherit}
.tk-lb b{color:#fbbf24}
.tk-hf{padding:12px 14px;background:#f8fafc;border-top:1px solid var(--ln);font-size:12px;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;color:#475569}
.tk-hf b{color:#047857}
/* controls */
.tk-ctl{display:flex;flex-direction:column;gap:16px}
.tk-tabs{display:flex;gap:8px;background:#f1f5f9;padding:6px;border-radius:16px;border:1px solid var(--ln)}
.tk-tab{flex:1;padding:11px;border:1px solid transparent;border-radius:12px;background:transparent;font-size:13px;font-weight:700;color:#475569}
.tk-tab.on{background:#fff;border-color:rgba(245,158,11,.4);color:var(--dk);font-weight:900;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.tk-panel{background:linear-gradient(135deg,#f8fafc,#fff);border:1px solid var(--ln);border-radius:16px;padding:20px}
.tk label.l{display:block;font-size:13px;font-weight:800;margin:0 0 8px;color:#1e293b}
.tk-in{position:relative}.tk input.i{width:100%;padding:13px 16px 13px 140px;border:1px solid #cbd5e1;border-radius:14px;font-size:22px;font-weight:900;font-family:inherit;color:var(--dk);background:#fff;box-shadow:inset 0 2px 4px rgba(0,0,0,.04)}
.tk input.i:focus{outline:2px solid var(--am);border-color:transparent}
.tk-u{position:absolute;left:10px;top:50%;transform:translateY(-50%);background:#fef3c7;color:#78350f;border:1px solid #fcd34d;font-size:12px;font-weight:800;padding:4px 12px;border-radius:10px;pointer-events:none}
.tk-hint{margin:8px 0 0;font-size:12px;color:var(--mu)}
.tk-shapes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.tk-shape{padding:12px 6px;border:2px solid var(--ln);background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#475569}
.tk-shape:hover{border-color:#fbbf24}.tk-shape.on{border-color:var(--am);background:rgba(255,251,235,.8);color:var(--dk);font-weight:900}
.tk-ic{display:block;border:2px solid #475569;background:#f1f5f9}.tk-shape.on .tk-ic{border-color:var(--am2);background:rgba(253,230,138,.5)}
.tk-dims{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.tk-dims input.i{font-size:16px;padding:10px 14px 10px 60px}.tk-dims .tk-u{font-size:11px;padding:2px 8px}
/* materials */
.tk-mh{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;border-bottom:1px solid #f1f5f9;padding-bottom:14px;margin-bottom:18px}
.tk h4{margin:0;font-size:18px;font-weight:900;color:var(--dk)}.tk .m{margin:2px 0 0;font-size:13px;color:var(--mu)}
.tk-mats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.tk-mat{position:relative;display:block;border:2px solid var(--ln);border-radius:18px;padding:20px;cursor:pointer;background:#fff;transition:.15s}
.tk-mat:hover{border-color:#fbbf24;box-shadow:0 6px 16px rgba(0,0,0,.06)}.tk-mat input{position:absolute;opacity:0}
.tk-mat:has(input:checked){border-color:var(--am);background:rgba(255,251,235,.6)}
.tk-mat .dot{float:left;width:24px;height:24px;border-radius:50%;border:2px solid #cbd5e1}
.tk-mat:has(input:checked) .dot{border-color:var(--am);background:radial-gradient(var(--dk) 30%,var(--am) 35%)}
.tk-mat b{display:block;font-size:16px;font-weight:900;color:var(--dk)}.tk-mat span.d{display:block;margin-top:6px;font-size:13px;color:#475569}
/* result */
.tk-res{background:linear-gradient(135deg,#020617,#0f172a);color:#fff;border-radius:24px;padding:32px;position:relative;overflow:hidden;border:1px solid #1e293b;box-shadow:0 20px 40px rgba(0,0,0,.2)}
.tk-res:before{content:"";position:absolute;right:-40px;bottom:-40px;width:260px;height:260px;border-radius:50%;background:rgba(245,158,11,.1);filter:blur(40px)}
.tk-rg{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;position:relative;z-index:1}
.tk-pill{display:inline-block;background:rgba(251,191,36,.18);color:#fcd34d;border:1px solid rgba(251,191,36,.3);font-size:12px;font-weight:800;padding:3px 14px;border-radius:99px}
.tk-big{font-size:84px;font-weight:900;color:#fbbf24;line-height:1.1;margin:8px 0;font-family:inherit}.tk-big small{font-size:28px;color:#fff;margin-right:10px;font-family:inherit}
.tk-res p{margin:0;color:#94a3b8;font-size:13px}
.tk-warn{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);border-radius:16px;padding:16px;font-size:13px;color:#fde68a;line-height:1.9}
.tk-warn a{display:inline-block;margin-top:10px;padding:11px 20px;background:linear-gradient(90deg,#fbbf24,#f59e0b);color:var(--dk)!important;font-weight:900;border-radius:12px;text-decoration:none!important;direction:ltr;box-shadow:0 8px 20px -4px rgba(245,158,11,.45)}
.tk-sum{margin-top:18px;background:#f8fafc;border:1px solid var(--ln);border-radius:16px;padding:16px}
.tk-sum h5{margin:0 0 12px;font-size:12px;font-weight:900;color:#334155}
.tk-si{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;text-align:center}
.tk-si div{background:#fff;border:1px solid var(--ln);border-radius:12px;padding:10px}.tk-si small{display:block;font-size:11px;color:#94a3b8;font-weight:600}.tk-si b{font-size:14px;color:var(--dk)}
/* dock */
.tk-dock{background:linear-gradient(90deg,#0f172a,#020617);color:#fff;padding:14px 26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;border-top:1px solid #1e293b}
.tk-tl{display:flex;flex-wrap:wrap;gap:22px;align-items:center}
.tk-tm{display:flex;align-items:center;gap:10px}
.tk-tm i{font-style:normal;width:34px;height:34px;border-radius:10px;background:#1e293b;border:1px solid #334155;color:#fbbf24;display:flex;align-items:center;justify-content:center;font-weight:900;font-family:inherit}
.tk-tm small{display:block;font-size:11px;color:#94a3b8}.tk-tm b{font-size:14px;font-family:inherit}.tk-tm.hl b{color:#fbbf24;font-size:17px}
.tk-ca{display:flex;gap:10px}
.tk-btn{border:0;background:linear-gradient(90deg,#fbbf24,#f59e0b);color:var(--dk);font-weight:900;font-size:14px;padding:13px 26px;border-radius:12px;box-shadow:0 8px 24px -4px rgba(245,158,11,.45);transition:.15s}
.tk-btn:active{transform:scale(.96)}.tk-btn:disabled{opacity:.6}
.tk-btn.g{background:#1e293b;border:1px solid #334155;color:#e2e8f0;box-shadow:none;font-weight:700}
.tk-ft{padding:12px 26px;border-top:1px solid var(--ln);font-size:11px;color:var(--mu);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:820px){.tk-grid,.tk-rg{grid-template-columns:1fr}.tk-big{font-size:60px}.tk-steps{overflow-x:auto}.tk-sb span{white-space:nowrap}.tk-pane{padding:16px}.tk-dock{padding:14px 16px}}
@media(max-width:520px){.tk-shapes{grid-template-columns:repeat(2,1fr)}.tk{padding:8px}}

/* فرم گرویتی */
.tk-form{max-width:720px;margin:0 auto}
.tk .gform_wrapper,.tk .gform_wrapper *{font-family:inherit!important}
.tk .gform_wrapper{margin:0}
.tk .gform_wrapper .gfield_label,.tk .gform_wrapper legend{font-size:13px;font-weight:800;color:#1e293b}
.tk .gform_wrapper input[type=text],.tk .gform_wrapper input[type=email],.tk .gform_wrapper input[type=tel],.tk .gform_wrapper input[type=number],.tk .gform_wrapper input[type=url],.tk .gform_wrapper select,.tk .gform_wrapper textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:12px;font-size:15px;background:#fff;color:var(--dk);box-shadow:inset 0 2px 4px rgba(0,0,0,.04);line-height:1.6}
.tk .gform_wrapper input:focus,.tk .gform_wrapper select:focus,.tk .gform_wrapper textarea:focus{outline:2px solid var(--am);border-color:transparent}
.tk .gform_wrapper .gform_button,.tk .gform_wrapper input[type=submit],.tk .gform_wrapper button[type=submit]{border:0;background:linear-gradient(90deg,#fbbf24,#f59e0b);color:var(--dk);font-weight:900;font-size:14px;padding:13px 26px;border-radius:12px;box-shadow:0 8px 24px -4px rgba(245,158,11,.45);cursor:pointer;width:auto}
.tk .gform_wrapper .gform_footer,.tk .gform_wrapper .gform_page_footer{padding:8px 0 0;margin:0}
.tk .gform_wrapper .gfield_required{color:#be123c}
.tk .gform_wrapper .gform_validation_errors,.tk .gform_wrapper .validation_message{border-radius:12px}
.tk .gform_confirmation_message{padding:14px 16px;background:#d1fae5;border:1px solid #a7f3d0;color:#065f46;border-radius:12px;font-weight:700;text-align:center}
@media(max-width:820px){.tk-steps{gap:4px}.tk-sb{padding:8px 10px}}

.tk .gform_wrapper{display:block!important;visibility:visible!important;opacity:1!important}
.tk-form{min-height:40px}
.tk-formerr{padding:12px 14px;background:#fff1f2;border:1px solid #fecdd3;color:#be123c;border-radius:12px;font-size:13px;font-weight:700}
/* حذف پیام تشکر گرویتی (بعد از ثبت فرم مستقیم تناژ نشون داده میشه) */
.tk .gform_confirmation_wrapper,
.tk .gform_confirmation_message,
.tk .gform_ajax_spinner{display:none!important}

/* اجبار فونت سایت روی همه‌ی اجزا */
.tk *,
.tk *::before,
.tk *::after,
.tk input,.tk button,.tk select,.tk textarea,
.tk h1,.tk h2,.tk h3,.tk h4,.tk h5,.tk h6,
.tk b,.tk strong,.tk small,.tk span,.tk p,.tk a,.tk label,
.tk svg text,
.tk .gform_wrapper,.tk .gform_wrapper *{
  font-family:inherit!important;
}
/* فونت یکان‌بخ (محلی، بدون هیچ درخواست خارجی) */
@font-face{font-family:'Yekan Bakh FaNum';font-weight:300;font-style:normal;font-display:swap;src:url('fonts/YekanBakhFaNum-Light.woff') format('woff')}
@font-face{font-family:'Yekan Bakh FaNum';font-weight:400;font-style:normal;font-display:swap;src:url('fonts/YekanBakhFaNum-Regular.woff') format('woff')}
@font-face{font-family:'Yekan Bakh FaNum';font-weight:600;font-style:normal;font-display:swap;src:url('fonts/YekanBakhFaNum-SemiBold.woff2') format('woff2')}
@font-face{font-family:'Yekan Bakh FaNum';font-weight:700;font-style:normal;font-display:swap;src:url('fonts/YekanBakhFaNum-Bold.woff2') format('woff2')}
.tk{font-family:'Yekan Bakh FaNum',Tahoma,sans-serif}

/* ===== ریسپانسیو موبایل (v0.4.3) ===== */
.tk{overflow-x:hidden;-webkit-text-size-adjust:100%}
.tk-cv svg{height:auto;max-height:230px}
.tk-tm b,.tk-si b,.tk-mat b{overflow-wrap:anywhere}

@media(max-width:820px){
  .tk{margin:12px auto;border-radius:18px}
  .tk-hd{padding:16px}
  .tk-hd h3{font-size:20px}
  .tk-hr{gap:12px}
  /* نوار مراحل: تمام‌عرض، فقط مرحله فعال متن دارد */
  .tk-steps{width:100%;justify-content:space-between;overflow:visible;gap:4px}
  .tk-sb{flex:1;justify-content:center;padding:8px 6px;gap:6px;min-width:0}
  .tk-sb span{display:none}
  .tk-sb.on{flex:3}
  .tk-sb.on span{display:inline;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .tk-mats{grid-template-columns:1fr;gap:12px}
  .tk-mat{padding:16px}
  .tk-res{padding:22px 18px;border-radius:18px}
  .tk-rg{gap:18px}
  .tk-form{max-width:100%}
}

@media(max-width:520px){
  .tk{margin:8px auto;padding:6px;border-radius:16px}
  .tk-card{border-radius:16px}
  .tk-pane{padding:14px}
  .tk-err{margin:12px 14px 0}
  .tk-hd h3{font-size:18px}
  .tk-hd p{font-size:12px}
  .tk-tabs{flex-direction:column;gap:6px}
  .tk-tab{padding:10px}
  .tk-panel{padding:14px}
  .tk-cv{min-height:210px;padding:12px}
  .tk-bd,.tk-bd:after{display:none}
  .tk-hh{font-size:10px;padding:8px 12px}
  .tk-hf{font-size:11px}
  .tk input.i{font-size:18px;padding:12px 12px 12px 130px}
  .tk-dims{grid-template-columns:1fr 1fr;gap:10px}
  .tk-dims input.i{font-size:16px;padding:10px 10px 10px 54px}
  .tk-shape{padding:10px 4px}
  .tk-big{font-size:52px}
  .tk-big small{font-size:22px}
  .tk-warn{padding:12px}
  .tk-warn a{display:block;text-align:center}
  .tk-si{grid-template-columns:1fr}
  /* دوک پایین: ستونی، دکمه‌ها تمام‌عرض */
  .tk-dock{flex-direction:column;align-items:stretch;gap:12px;padding:12px 14px}
  .tk-tl{gap:10px 16px;justify-content:space-between}
  .tk-tm{min-width:0;flex:1 1 40%}
  .tk-tm i{width:30px;height:30px;flex:none}
  .tk-tm b{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .tk-ca{width:100%}
  .tk-btn{flex:1;padding:13px 12px;font-size:13px}
  .tk-btn.g{flex:0 0 auto}
  .tk-ft{padding:10px 14px;flex-direction:column;gap:4px}
  /* گرویتی فرم */
  .tk .gform_wrapper .gform_fields{grid-template-columns:1fr!important}
  .tk .gform_wrapper .gfield{grid-column:1/-1!important}
  .tk .gform_wrapper input[type=text],.tk .gform_wrapper input[type=email],.tk .gform_wrapper input[type=tel],.tk .gform_wrapper input[type=number],.tk .gform_wrapper select,.tk .gform_wrapper textarea{font-size:16px}
  .tk .gform_wrapper .gform_button,.tk .gform_wrapper input[type=submit],.tk .gform_wrapper button[type=submit]{width:100%}
}

@media(max-width:360px){
  .tk-dims{grid-template-columns:1fr}
  .tk-tm{flex-basis:100%}
}