.dsc-shell{--dsc:#f6b800;--ink:#10212b;--muted:#64748b;--line:#e5e7eb;max-width:1180px;margin:34px auto;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff;border:1px solid #e8edf1;border-radius:24px;box-shadow:0 24px 70px rgba(15,23,42,.08);overflow:hidden}.dsc-shell *{box-sizing:border-box}.dsc-hero{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:38px 44px;background:linear-gradient(135deg,#0b1820,#17313d);color:#fff}.dsc-kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:#ffd54a}.dsc-hero h2{font-size:34px;line-height:1.12;margin:9px 0 12px;color:#fff}.dsc-hero p{max-width:740px;margin:0;color:#d7e2e8;font-size:16px}.dsc-hero-badge{white-space:nowrap;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);padding:12px 16px;border-radius:999px;font-weight:700}.dsc-progress{display:grid;grid-template-columns:repeat(3,1fr);padding:18px 44px;border-bottom:1px solid var(--line);background:#fbfcfd}.dsc-progress div{display:flex;align-items:center;gap:9px;color:#94a3b8;position:relative}.dsc-progress div:not(:last-child):after{content:"";height:2px;background:#e2e8f0;position:absolute;left:46px;right:15px;top:15px}.dsc-progress b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#e2e8f0;z-index:1}.dsc-progress .active{color:#172a34}.dsc-progress .active b{background:var(--dsc);color:#111}.dsc-progress .active:not(:last-child):after{background:var(--dsc)}.dsc-step{display:none;padding:38px 44px}.dsc-step.active{display:block}.dsc-section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:26px}.dsc-section-head>div{display:flex;align-items:center;gap:14px}.dsc-section-head>div>span{display:grid;place-items:center;width:45px;height:45px;background:#fff7d6;border-radius:12px;color:#9a6d00;font-weight:800}.dsc-section-head h3{font-size:25px;margin:0}.dsc-section-head p{color:var(--muted);margin:0;max-width:390px;text-align:right}.dsc-mode-tabs{display:inline-flex;background:#f1f5f9;padding:5px;border-radius:12px;margin-bottom:22px}.dsc-mode-tabs button{border:0;background:transparent;padding:10px 16px;border-radius:9px;font-weight:700;cursor:pointer;color:#52616b}.dsc-mode-tabs button.active{background:#fff;color:#111;box-shadow:0 2px 7px rgba(0,0,0,.08)}.dsc-mode-panel{display:none}.dsc-mode-panel.active{display:block}.dsc-grid{display:grid;gap:18px}.dsc-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.dsc-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.dsc-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.dsc-shell label>span{display:block;font-weight:700;font-size:13px;margin-bottom:7px}.dsc-shell input,.dsc-shell select,.dsc-shell textarea{width:100%;border:1px solid #d6dee4;border-radius:11px;padding:12px 13px;background:#fff;font:inherit;outline:none;transition:.2s}.dsc-shell input:focus,.dsc-shell select:focus,.dsc-shell textarea:focus{border-color:#c89500;box-shadow:0 0 0 3px rgba(246,184,0,.16)}.dsc-full{display:block;margin-top:18px}.dsc-note,.dsc-disclaimer{margin-top:22px;background:#f8fafc;border:1px solid #e6edf2;border-left:4px solid var(--dsc);padding:15px 17px;border-radius:10px;color:#4b5d68;font-size:14px}.dsc-actions{display:flex;justify-content:space-between;gap:12px;margin-top:27px}.dsc-actions.right{justify-content:flex-end}.dsc-btn{border:0;border-radius:11px;padding:13px 20px;font-weight:800;cursor:pointer;font-size:14px}.dsc-btn.primary{background:var(--dsc);color:#141414}.dsc-btn.primary:hover{filter:brightness(.96)}.dsc-btn.secondary{background:#edf2f5;color:#233945}.dsc-btn:disabled{opacity:.6;cursor:not-allowed}.dsc-contact-box{margin-top:20px;background:#f8fafc;padding:16px 18px;border-radius:12px;border:1px solid var(--line)}.dsc-check{display:flex!important;align-items:flex-start;gap:10px;font-weight:500!important}.dsc-check input,.dsc-radio-row input{width:auto;margin-top:3px}.dsc-radio-row{display:flex;align-items:center;gap:17px;margin-top:13px;font-size:14px}.dsc-radio-row>span{font-weight:700}.dsc-radio-row label{display:flex;gap:6px;align-items:center}.dsc-result-head{display:flex;gap:15px;align-items:center;margin-bottom:23px}.dsc-success-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#e9f9ef;color:#12813e;font-size:22px;font-weight:900}.dsc-result-head h3{margin:0 0 5px;font-size:27px}.dsc-result-head p{margin:0;color:var(--muted)}.dsc-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.dsc-summary-grid>div{background:#0f2029;color:#fff;border-radius:14px;padding:16px}.dsc-summary-grid span{display:block;color:#b9c7cf;font-size:12px;margin-bottom:7px}.dsc-summary-grid b{font-size:22px}.dsc-product-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.dsc-product-cards article{border:1px solid var(--line);border-radius:15px;padding:19px;position:relative}.dsc-product-cards h4{margin:5px 0 8px;font-size:15px;color:#52616b}.dsc-product-cards article>strong{font-size:18px}.dsc-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#fff5c7;font-size:20px}.dsc-specs{display:flex;flex-wrap:wrap;gap:7px 13px;margin-top:13px}.dsc-specs span{font-size:12px;color:#5e6d76}.dsc-accessories{margin-top:18px;border:1px solid var(--line);border-radius:15px;padding:18px}.dsc-accessories h4{margin:0 0 10px}.dsc-accessories ul{list-style:none;margin:0;padding:0}.dsc-accessories li{display:grid;grid-template-columns:180px 1fr 90px;gap:12px;border-top:1px solid #edf1f4;padding:10px 0;font-size:13px}.dsc-accessories li:first-child{border-top:0}.dsc-accessories em{text-align:right;font-style:normal;color:#64748b}.dsc-price{margin-top:18px;background:#fff8db;border:1px solid #f3d45f;border-radius:15px;padding:18px;display:grid;grid-template-columns:1fr auto;align-items:center}.dsc-price span{font-weight:700}.dsc-price strong{font-size:25px}.dsc-price small{grid-column:1/-1;color:#715f20;margin-top:5px}.dsc-sent,.dsc-error{margin-top:18px;padding:16px;border-radius:12px}.dsc-sent{background:#eaf8ee;color:#166534}.dsc-error{background:#fff0f0;color:#a61b1b}@media(max-width:850px){.dsc-hero,.dsc-section-head{align-items:flex-start;flex-direction:column}.dsc-section-head p{text-align:left}.dsc-grid.four,.dsc-grid.three,.dsc-summary-grid{grid-template-columns:repeat(2,1fr)}.dsc-product-cards{grid-template-columns:1fr}.dsc-hero-badge{display:none}}@media(max-width:600px){.dsc-shell{margin:12px 0;border-radius:16px}.dsc-hero,.dsc-step{padding:25px 20px}.dsc-progress{padding:14px 20px}.dsc-progress span{display:none}.dsc-grid.two,.dsc-grid.four,.dsc-grid.three,.dsc-summary-grid{grid-template-columns:1fr}.dsc-accessories li{grid-template-columns:1fr}.dsc-accessories em{text-align:left}.dsc-radio-row{align-items:flex-start;flex-direction:column;gap:8px}.dsc-hero h2{font-size:28px}.dsc-actions{flex-wrap:wrap}.dsc-btn{flex:1;min-width:150px}}
.dsc-system-banner{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#0f2029;color:#fff;border-radius:18px;padding:20px 22px;margin-bottom:18px}.dsc-system-banner span{display:block;color:#b9c7cf;font-size:12px;margin-bottom:5px}.dsc-system-banner strong{font-size:27px}.dsc-total-price{text-align:right}.dsc-total-price strong{color:#ffd24a}.dsc-system-equation{display:flex;align-items:stretch;justify-content:center;gap:10px;padding:20px;border:1px solid #e5e7eb;border-radius:18px;margin-bottom:18px;background:#fff}.dsc-eq-item{min-width:150px;text-align:center;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;align-items:center;gap:4px 8px}.dsc-eq-item>b{font-size:26px}.dsc-eq-icon{width:54px;height:54px;border-radius:12px;background:#fff5c7;display:grid;place-items:center;font-size:29px}.dsc-eq-item small{grid-column:1/-1;font-size:11px;color:#52616b}.dsc-eq-plus{font-size:30px;font-weight:800;align-self:center;color:#2f3d45}.dsc-eq-total{align-self:center;text-align:center;min-width:100px}.dsc-eq-total strong{display:block;font-size:29px}.dsc-eq-total span{font-size:13px;color:#64748b}@media(max-width:850px){.dsc-system-equation{flex-wrap:wrap}.dsc-system-banner{align-items:flex-start;flex-direction:column}.dsc-total-price{text-align:left}}@media(max-width:600px){.dsc-system-equation{display:grid;grid-template-columns:1fr}.dsc-eq-plus{justify-self:center}.dsc-eq-item{min-width:0}.dsc-system-banner strong{font-size:23px}}
.dsc-product-choice-wrap{margin-top:28px;padding:22px;border:1px solid #e5e7eb;border-radius:18px;background:#fbfcfd}.dsc-section-head.mini{margin-bottom:18px;align-items:center}.dsc-section-head.mini h3{font-size:20px}.dsc-section-head.mini>div>span{width:36px;height:36px}.dsc-product-selects select{min-height:48px}.dsc-install-choice{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;margin-top:18px;padding:16px;border-radius:12px;background:#fff;border:1px solid #e5e7eb}.dsc-install-choice strong{width:100%;font-size:14px}.dsc-install-choice label{display:flex;align-items:center;gap:7px;font-size:13px}.dsc-install-choice input{width:auto}.dsc-market-note,.dsc-market-warning{margin-top:15px;padding:14px 16px;border-radius:11px;background:#fff7df;border:1px solid #f3d36a;color:#6d5712;font-size:13px}.dsc-price-breakdown{margin-top:18px;border:1px solid #e5e7eb;border-radius:15px;padding:18px}.dsc-price-breakdown h4{margin:0 0 14px}.dsc-table-scroll{overflow-x:auto}.dsc-price-breakdown table{width:100%;border-collapse:collapse;min-width:760px}.dsc-price-breakdown th,.dsc-price-breakdown td{text-align:left;padding:11px 10px;border-bottom:1px solid #edf1f4;font-size:13px}.dsc-price-breakdown th{background:#f8fafc;color:#52616b;font-size:12px}.dsc-price-breakdown td:last-child,.dsc-price-breakdown th:last-child{text-align:right}.dsc-price-breakdown small{color:#64748b}.dsc-totals{margin-left:auto;margin-top:16px;max-width:420px;display:grid;gap:8px}.dsc-totals>div{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.dsc-totals .grand{border-top:2px solid #172a34;margin-top:3px;padding-top:12px}.dsc-totals .grand strong{font-size:20px}.dsc-muted{color:#94a3b8}.dsc-market-warning{font-size:14px}.dsc-market-warning strong{color:#3f330a}.dsc-accessories li{grid-template-columns:180px 1fr 150px}@media(max-width:600px){.dsc-product-choice-wrap{padding:16px}.dsc-install-choice{align-items:flex-start;flex-direction:column}.dsc-accessories li{grid-template-columns:1fr}.dsc-totals{max-width:none}}

/* v1.3 language switcher + RTL */
.dsc-language-switcher{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin:0 0 18px;flex-wrap:wrap}
.dsc-language-switcher>span{font-weight:700;color:#4b5563;margin-inline-end:4px}
.dsc-language-switcher button{border:1px solid #d7dee8;background:#fff;color:#28323f;border-radius:999px;padding:7px 13px;font:inherit;font-weight:700;cursor:pointer}
.dsc-language-switcher button.active{background:#f26a00;color:#fff;border-color:#f26a00}
#dsc-calculator[dir="rtl"]{text-align:right}
#dsc-calculator[dir="rtl"] .dsc-actions,#dsc-calculator[dir="rtl"] .dsc-language-switcher{direction:rtl}
#dsc-calculator[dir="rtl"] input,#dsc-calculator[dir="rtl"] select{direction:rtl;text-align:right}
#dsc-calculator[dir="rtl"] .dsc-table-scroll table{direction:rtl}
#dsc-calculator[dir="rtl"] .dsc-product-cards,#dsc-calculator[dir="rtl"] .dsc-summary-grid,#dsc-calculator[dir="rtl"] .dsc-system-equation{direction:rtl}

/* ============================================================
   v1.4 — Diode premium calculator UI
   ============================================================ */
.dsc-shell{
  --dsc:#f6b800;
  --dsc-orange:#f47a00;
  --navy:#071b25;
  --navy2:#0d2b37;
  --ink:#142630;
  --muted:#667985;
  --line:#e3ebef;
  max-width:1200px;
  border:1px solid #e4ecef;
  border-radius:28px;
  box-shadow:0 28px 80px rgba(9,30,40,.12);
}
.dsc-hero{
  display:block!important;
  padding:0!important;
  background:
    radial-gradient(circle at 88% 20%,rgba(246,184,0,.16),transparent 24%),
    radial-gradient(circle at 16% 115%,rgba(56,189,248,.10),transparent 34%),
    linear-gradient(135deg,#061923 0%,#0a2632 58%,#0e3440 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.dsc-hero:after{content:"";position:absolute;inset:auto -90px -120px auto;width:330px;height:330px;border:1px solid rgba(255,255,255,.06);border-radius:50%;box-shadow:0 0 0 42px rgba(255,255,255,.025),0 0 0 84px rgba(255,255,255,.018);pointer-events:none}
.dsc-hero-top{height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 42px;border-bottom:1px solid rgba(255,255,255,.10);position:relative;z-index:2}
.dsc-brand{display:flex;align-items:center;min-width:0;text-decoration:none}
.dsc-logo{display:block;max-width:210px;width:auto;height:58px;object-fit:contain;filter:drop-shadow(0 4px 14px rgba(0,0,0,.12))}
.dsc-language-switcher{display:flex;align-items:center;justify-content:flex-end;gap:7px;margin:0!important;flex-wrap:wrap}
.dsc-language-switcher button{display:flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#e8f1f5;border-radius:999px;padding:8px 13px;font:inherit;font-size:12px;font-weight:750;cursor:pointer;transition:.2s ease;backdrop-filter:blur(8px)}
.dsc-language-switcher button>span{display:grid;place-items:center;min-width:26px;height:22px;border-radius:999px;background:rgba(255,255,255,.10);font-size:9px;letter-spacing:.08em}
.dsc-language-switcher button:hover{background:rgba(255,255,255,.13);transform:translateY(-1px)}
.dsc-language-switcher button.active{background:var(--dsc);border-color:var(--dsc);color:#111b20;box-shadow:0 8px 22px rgba(246,184,0,.22)}
.dsc-language-switcher button.active>span{background:rgba(0,0,0,.08)}
.dsc-hero-content{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:48px;align-items:center;padding:52px 42px 56px;position:relative;z-index:1}
.dsc-hero-copy{max-width:780px}
.dsc-hero-badge{display:inline-flex!important;align-items:center;gap:8px;white-space:nowrap;border:1px solid rgba(246,184,0,.38);background:rgba(246,184,0,.10);color:#ffe080;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.02em;margin-bottom:18px}
.dsc-bolt{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--dsc);color:#101b20;font-size:12px}
.dsc-kicker{display:block;font-size:11px;font-weight:850;letter-spacing:.20em;color:#ffc933;margin-bottom:9px}
.dsc-hero h2{font-size:clamp(31px,4vw,48px);line-height:1.06;letter-spacing:-.035em;margin:0 0 16px;color:#fff;max-width:790px}
.dsc-hero p{max-width:760px;margin:0;color:#c8d9e1;font-size:16px;line-height:1.7}
.dsc-hero-stat{width:180px;height:180px;border-radius:34px;background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.035));border:1px solid rgba(255,255,255,.13);display:flex;flex-direction:column;justify-content:center;padding:24px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 22px 40px rgba(0,0,0,.12);transform:rotate(2deg)}
.dsc-hero-stat span,.dsc-hero-stat em{font-style:normal;color:#a9c0ca;font-size:13px}.dsc-hero-stat strong{color:#ffd54a;font-size:29px;line-height:1.1;margin:6px 0;letter-spacing:-.03em}
.dsc-progress-wrap{background:#fff;padding:0 42px;border-bottom:1px solid var(--line)}
.dsc-progress{padding:19px 0!important;border:0!important;background:#fff!important;position:relative}
.dsc-progress div{font-size:13px;font-weight:750;gap:10px}.dsc-progress b{width:34px;height:34px;background:#eef3f6;color:#8ea0aa;border:1px solid #e3eaee;transition:.25s ease}.dsc-progress div:not(:last-child):after{left:48px;right:16px;top:16px;height:2px}.dsc-progress .active b{background:var(--dsc);border-color:var(--dsc);color:#172026;box-shadow:0 0 0 5px rgba(246,184,0,.12)}
.dsc-step{padding:42px 42px 46px}
.dsc-section-head{align-items:center;border-bottom:1px solid #edf2f4;padding-bottom:20px;margin-bottom:25px}
.dsc-section-head>div>span{width:43px;height:43px;border-radius:14px;background:linear-gradient(145deg,#fff7d0,#ffef9b);color:#735b00;box-shadow:0 7px 18px rgba(246,184,0,.13)}
.dsc-section-head h3{font-size:23px;letter-spacing:-.02em}.dsc-section-head p{line-height:1.55}
.dsc-mode-tabs{padding:4px;background:#edf3f6;border:1px solid #e5edf1;border-radius:14px}.dsc-mode-tabs button{padding:11px 17px;border-radius:10px}.dsc-mode-tabs button.active{box-shadow:0 5px 16px rgba(15,32,41,.08)}
.dsc-shell input,.dsc-shell select,.dsc-shell textarea{border-color:#d9e4e9;border-radius:13px;padding:13px 14px;min-height:48px;background:#fff;box-shadow:0 1px 0 rgba(9,30,40,.015)}
.dsc-shell input:focus,.dsc-shell select:focus,.dsc-shell textarea:focus{border-color:#e1ab00;box-shadow:0 0 0 4px rgba(246,184,0,.14)}
.dsc-product-choice-wrap{padding:24px;border:1px solid #e2eaee;border-radius:20px;background:linear-gradient(180deg,#fbfdfe,#f6fafb);box-shadow:inset 0 1px 0 #fff}
.dsc-install-choice{border-radius:14px;padding:17px 18px;box-shadow:0 5px 18px rgba(9,30,40,.035)}
.dsc-market-note{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;align-items:start;background:#fff9df;border-color:#f3d36a;border-radius:13px;padding:15px 17px}.dsc-market-note strong{color:#4e3d00}.dsc-market-note span{line-height:1.55}
.dsc-note,.dsc-disclaimer{border-left:0;border-inline-start:4px solid var(--dsc);border-radius:13px;background:#f7fafb}
.dsc-btn{min-height:46px;border-radius:13px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:.2s ease}.dsc-btn.primary{background:linear-gradient(135deg,#f6b800,#f49a00);box-shadow:0 9px 22px rgba(246,184,0,.22)}.dsc-btn.primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(246,184,0,.28)}.dsc-btn.secondary{background:#eef3f6}.dsc-btn b{font-size:16px;line-height:1}
.dsc-contact-box{border-radius:16px;padding:18px 20px}
.dsc-system-banner{background:linear-gradient(135deg,#061923,#0d3340);border-radius:20px;box-shadow:0 14px 34px rgba(7,27,37,.13)}
.dsc-product-cards article,.dsc-accessories,.dsc-price-breakdown{border-radius:18px;border-color:#e1e9ed;box-shadow:0 8px 24px rgba(9,30,40,.035)}
.dsc-summary-grid>div{background:linear-gradient(145deg,#0c2631,#143b48);border:1px solid rgba(255,255,255,.04);box-shadow:0 10px 25px rgba(7,27,37,.08)}
.dsc-price-breakdown th{background:#f5f8fa}

#dsc-calculator[dir="rtl"]{font-family:Tahoma,"Noto Sans Arabic",Arial,sans-serif}
#dsc-calculator[dir="rtl"] .dsc-hero-content,#dsc-calculator[dir="rtl"] .dsc-hero-top,#dsc-calculator[dir="rtl"] .dsc-progress,#dsc-calculator[dir="rtl"] .dsc-section-head,#dsc-calculator[dir="rtl"] .dsc-actions{direction:rtl}
#dsc-calculator[dir="rtl"] .dsc-hero-copy,#dsc-calculator[dir="rtl"] .dsc-section-head p{text-align:right}
#dsc-calculator[dir="rtl"] .dsc-progress div:not(:last-child):after{left:16px;right:48px}
#dsc-calculator[dir="rtl"] .dsc-note,#dsc-calculator[dir="rtl"] .dsc-disclaimer{border-inline-start:4px solid var(--dsc);border-left:0}
#dsc-calculator[dir="rtl"] .dsc-btn b{transform:scaleX(-1)}
#dsc-calculator[dir="rtl"] .dsc-market-note{direction:rtl}

@media(max-width:900px){
  .dsc-hero-top{height:auto;padding:20px 26px;align-items:flex-start;flex-direction:column}
  .dsc-language-switcher{justify-content:flex-start}
  .dsc-hero-content{grid-template-columns:1fr;padding:38px 26px 42px;gap:24px}
  .dsc-hero-stat{display:none}
  .dsc-progress-wrap{padding:0 26px}
  .dsc-step{padding:34px 26px 40px}
}
@media(max-width:600px){
  .dsc-shell{border-radius:19px;margin:12px 0}
  .dsc-hero-top{padding:18px 20px}
  .dsc-logo{max-width:170px;height:48px}
  .dsc-language-switcher{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
  .dsc-language-switcher button{justify-content:center;padding:8px 7px;font-size:11px}
  .dsc-language-switcher button>span{display:none}
  .dsc-hero-content{padding:32px 20px 36px}
  .dsc-hero-badge{margin-bottom:15px}
  .dsc-hero h2{font-size:31px}
  .dsc-hero p{font-size:14px}
  .dsc-progress-wrap{padding:0 20px}
  .dsc-progress{padding:16px 0!important}
  .dsc-progress span{display:block!important;font-size:11px}
  .dsc-progress div{gap:6px}.dsc-progress b{width:30px;height:30px}
  .dsc-progress div:not(:last-child):after{left:40px;right:10px;top:14px}
  #dsc-calculator[dir="rtl"] .dsc-progress div:not(:last-child):after{left:10px;right:40px}
  .dsc-step{padding:29px 20px 34px}
  .dsc-section-head{padding-bottom:17px}.dsc-section-head h3{font-size:20px}
  .dsc-market-note{grid-template-columns:1fr}
}
.dsc-brand-copy{display:flex;flex-direction:column;justify-content:center;line-height:1.05;margin-inline-start:10px}.dsc-brand-copy strong{color:#fff;font-size:20px;letter-spacing:.12em}.dsc-brand-copy small{color:#b9cbd3;font-size:10px;letter-spacing:.06em;margin-top:5px}.dsc-logo{width:64px;height:64px;max-width:64px}.dsc-brand:hover .dsc-brand-copy strong{color:#ffd54a}
@media(max-width:600px){.dsc-logo{width:52px;height:52px;max-width:52px}.dsc-brand-copy strong{font-size:17px}.dsc-brand-copy small{font-size:9px}}

/* v1.5: keep the step circles/labels but remove the connecting lines. */
.dsc-progress div:not(:last-child):after{display:none!important;}


/* v1.8: clean product photography and responsive smart-set presentation */
.dsc-product-photo{height:180px;border-radius:16px;background:#fff;border:1px solid #edf1f3;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:16px}
.dsc-product-photo img{display:block;width:100%;height:100%;object-fit:contain;padding:10px;mix-blend-mode:multiply}
.dsc-product-photo-fallback{background:linear-gradient(145deg,#fbfdfe,#f0f5f7)}
.dsc-product-photo-fallback span{font-size:54px;color:#17313c;opacity:.72}
.dsc-eq-photo{width:52px;height:52px;border-radius:12px;background:#fff;border:1px solid #edf1f3;display:inline-flex;align-items:center;justify-content:center;overflow:hidden}
.dsc-eq-photo img{width:100%;height:100%;object-fit:contain;padding:4px;mix-blend-mode:multiply}
.dsc-accessories li em{white-space:nowrap}
@media(max-width:700px){.dsc-product-photo{height:150px}.dsc-eq-photo{width:44px;height:44px}}

/* v2.0: real product photography + stronger tablet/mobile responsiveness */
.dsc-product-cards{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}
.dsc-product-cards article{display:flex;flex-direction:column;min-width:0}
.dsc-product-photo{height:220px;background:#fff}
.dsc-product-photo img{object-fit:contain;max-width:100%;max-height:100%;padding:12px;mix-blend-mode:normal}
.dsc-connectivity-card{grid-column:1/-1}
.dsc-connectivity-card .dsc-product-photo{height:260px}
.dsc-system-equation{overflow:hidden}
.dsc-eq-item{min-width:0;flex:1 1 0}
.dsc-eq-photo{width:64px;height:64px;flex:0 0 64px}
.dsc-eq-photo img{object-fit:contain;mix-blend-mode:normal}
@media (max-width:980px){
  .dsc-shell{max-width:calc(100% - 24px);margin:20px auto}
  .dsc-hero{padding:30px 28px}
  .dsc-step{padding:30px 28px}
  .dsc-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dsc-system-equation{display:grid;grid-template-columns:1fr auto 1fr;gap:12px}
  .dsc-eq-total{grid-column:1/-1}
}
@media (max-width:760px){
  .dsc-product-cards{grid-template-columns:1fr}
  .dsc-connectivity-card{grid-column:auto}
  .dsc-product-photo,.dsc-connectivity-card .dsc-product-photo{height:210px}
  .dsc-system-equation{grid-template-columns:1fr}
  .dsc-eq-plus{display:none}
  .dsc-eq-item{display:grid;grid-template-columns:64px 1fr;grid-template-rows:auto auto;text-align:start;padding:10px 0;border-bottom:1px solid #edf1f4}
  .dsc-eq-item>b{grid-column:2;grid-row:1;font-size:22px}
  .dsc-eq-item .dsc-eq-photo,.dsc-eq-item .dsc-eq-icon{grid-column:1;grid-row:1/3}
  .dsc-eq-item small{grid-column:2;grid-row:2;font-size:12px}
  .dsc-eq-total{padding-top:8px}
  .dsc-price-breakdown{padding:14px}
  .dsc-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
}
@media (max-width:520px){
  .dsc-shell{max-width:100%;margin:0;border-radius:0;border-left:0;border-right:0}
  .dsc-hero,.dsc-step{padding:22px 16px}
  .dsc-progress{padding:12px 16px}
  .dsc-product-choice-wrap{padding:14px}
  .dsc-product-photo,.dsc-connectivity-card .dsc-product-photo{height:180px}
  .dsc-system-banner{padding:16px}
  .dsc-system-banner strong{font-size:21px}
  .dsc-actions{display:grid;grid-template-columns:1fr;gap:10px}
  .dsc-btn{width:100%;min-width:0}
  .dsc-contact-box{padding:14px}
  .dsc-contact-methods{display:grid;grid-template-columns:1fr 1fr;gap:10px}
}
/* v2.1 reusable branding */
.dsc-shell{--dsc:var(--dsc-accent,#f6b800)}
.dsc-hero{background:var(--dsc-primary,#0b1820)}
.dsc-system-banner,.dsc-summary-grid>div{background:var(--dsc-primary,#0f2029)}
.dsc-language-switcher button.active{background:var(--dsc-accent,#f6b800);border-color:var(--dsc-accent,#f6b800);color:#161616}
.dsc-progress div:not(:last-child):after{display:none!important}


/* v2.2 Visions Cloud designer credit */
.dsc-designer-credit{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;padding:17px 20px 19px;border-top:1px solid #e6edf1;background:#fbfcfd;color:#71818a;font-size:12px}
.dsc-designer-credit>a{display:inline-flex;align-items:center;gap:8px;color:#24333b;text-decoration:none;font-weight:700;transition:opacity .2s ease,transform .2s ease}
.dsc-designer-credit>a:hover{opacity:.78;transform:translateY(-1px)}
.dsc-designer-credit img{display:block;width:72px;height:30px;object-fit:contain}
.dsc-designer-credit strong{font-size:12px}
@media(max-width:520px){.dsc-designer-credit{padding:14px 12px;font-size:11px}.dsc-designer-credit img{width:62px;height:26px}.dsc-designer-credit strong{font-size:11px}}

/* v2.3 smart sizing comparison */
.dsc-peak-row{margin-top:14px}.dsc-peak-row label small{display:block;margin-top:7px;color:#667985;font-size:12px;line-height:1.5}
.dsc-smart-options{margin:18px 0 4px}.dsc-smart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(11,47,58,.07),rgba(245,180,0,.10));border:1px solid rgba(11,47,58,.10)}
.dsc-smart-head>div{display:flex;align-items:center;gap:10px}.dsc-smart-head span{display:grid;place-items:center;min-width:40px;height:40px;border-radius:12px;background:var(--dsc-accent);color:#102f39;font-weight:900}.dsc-smart-head h4{margin:0;font-size:18px}.dsc-smart-head p{margin:0;max-width:620px;color:#5d6f79}
.dsc-smart-group{margin-top:16px}.dsc-smart-group h5{margin:0 0 9px;font-size:14px}.dsc-smart-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.dsc-smart-card{position:relative;text-align:start;border:1px solid #dce7eb;background:#fff;border-radius:15px;padding:14px;min-height:142px;cursor:pointer;transition:.18s ease;display:flex;flex-direction:column;gap:5px;color:#0b2731}.dsc-smart-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,47,58,.10)}.dsc-smart-card.selected{border:2px solid var(--dsc-accent);background:#fffaf0}.dsc-smart-card strong{font-size:14px;padding-inline-end:24px}.dsc-smart-card small,.dsc-smart-card em{font-style:normal;color:#687b85;font-size:12px}.dsc-smart-card b{margin-top:auto;font-size:13px}.dsc-smart-card i{font-style:normal;font-weight:800;color:#8b6500;font-size:12px}.dsc-smart-check{position:absolute;inset-inline-end:10px;top:10px;color:#15803d;font-weight:900}.dsc-smart-safe{margin-top:12px;padding:11px 13px;border-radius:12px;background:#fff8e3;border:1px solid #f1d47a;color:#725500;font-size:12px;line-height:1.55}
@media(max-width:900px){.dsc-smart-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dsc-smart-head{display:block}.dsc-smart-head p{margin-top:8px}}
@media(max-width:600px){.dsc-smart-grid{grid-template-columns:1fr}.dsc-smart-card{min-height:0}.dsc-smart-head{padding:14px}}

/* v2.5: five responsive summary metrics including required installation area */
.dsc-summary-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1000px){.dsc-summary-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.dsc-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.dsc-summary-grid{grid-template-columns:1fr}}


/* v2.9: live customer system requirement summary */
.dsc-live-requirement{margin:22px 0 26px}
.dsc-requirement-empty{display:flex;align-items:center;gap:13px;padding:17px 18px;border:1px dashed #c8d9df;border-radius:16px;background:#f8fbfc;color:#36515b}
.dsc-requirement-empty>span{width:40px;height:40px;border-radius:12px;background:var(--dsc-accent);color:#17313a;display:grid;place-items:center;font-size:20px;font-weight:900}
.dsc-requirement-empty strong,.dsc-requirement-empty small{display:block}.dsc-requirement-empty strong{font-size:15px;color:#17313a}.dsc-requirement-empty small{margin-top:3px;color:#71838b}
.dsc-requirement-head{background:linear-gradient(135deg,#0c3540,#174b57);color:#fff;border-radius:18px 18px 0 0;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.dsc-requirement-head>div{display:flex;align-items:center;gap:11px}.dsc-requirement-head>div>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--dsc-accent);color:#17313a;font-size:21px}
.dsc-requirement-head small{display:block;opacity:.72;text-transform:uppercase;letter-spacing:.09em;font-size:10px;font-weight:800}.dsc-requirement-head h4{margin:2px 0 0;color:#fff;font-size:18px}.dsc-requirement-head p{max-width:500px;margin:0;font-size:13px;line-height:1.55;color:#e6f0f2}
.dsc-requirement-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#dce8eb;border-left:1px solid #dce8eb;border-right:1px solid #dce8eb}
.dsc-requirement-card{background:#fff;padding:19px;display:flex;align-items:flex-start;gap:14px;min-width:0}.dsc-req-icon{width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;background:#f6f9fa;font-size:21px}.dsc-requirement-card small,.dsc-requirement-card strong,.dsc-requirement-card em{display:block}.dsc-requirement-card small{color:#6b7e86;font-size:12px;font-weight:700}.dsc-requirement-card strong{font-size:34px;line-height:1.05;color:#102f39;margin:3px 0 5px}.dsc-requirement-card em{font-style:normal;color:#61757d;font-size:11px;line-height:1.45;word-break:break-word}
.dsc-requirement-basis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#dce8eb;border:1px solid #dce8eb;border-radius:0 0 18px 18px;overflow:hidden}.dsc-requirement-basis>span{background:#f7fafb;padding:12px 15px}.dsc-requirement-basis b,.dsc-requirement-basis small{display:block}.dsc-requirement-basis b{color:#143640;font-size:14px}.dsc-requirement-basis small{color:#778a91;font-size:10px;margin-top:2px}
@media(max-width:780px){.dsc-requirement-head{display:block}.dsc-requirement-head p{margin-top:10px}.dsc-requirement-metrics{grid-template-columns:1fr}.dsc-requirement-basis{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:520px){.dsc-requirement-head{padding:15px}.dsc-requirement-card{padding:15px}.dsc-requirement-card strong{font-size:29px}.dsc-requirement-basis{grid-template-columns:1fr}.dsc-requirement-basis>span{display:flex;align-items:center;justify-content:space-between;gap:10px}.dsc-requirement-basis small{margin:0;text-align:end}}


/* v3.0: unified first-step sizing explanation; removes visible repetition */
.dsc-calc-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#dce8eb;border-left:1px solid #dce8eb;border-right:1px solid #dce8eb}
.dsc-calc-strip>div{background:#f8fbfc;padding:14px 16px;min-width:0}.dsc-calc-strip small,.dsc-calc-strip strong,.dsc-calc-strip code{display:block}.dsc-calc-strip small{font-size:11px;color:#667b84;font-weight:800}.dsc-calc-strip strong{font-size:20px;color:#0d3440;margin:3px 0 5px}.dsc-calc-strip code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:#60747c;white-space:normal;word-break:break-word;background:transparent;padding:0}
.dsc-calc-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#dce8eb;border:1px solid #dce8eb;border-radius:0 0 18px 18px;overflow:hidden}.dsc-calc-products article{background:#fff;padding:17px;min-width:0}.dsc-calc-product-top{display:flex;align-items:center;gap:11px}.dsc-calc-product-top>span{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#f5f8f9;font-size:20px}.dsc-calc-product-top small{display:block;color:#6b7e86;font-size:11px;font-weight:800}.dsc-calc-product-top strong{display:block;color:#102f39;font-size:31px;line-height:1;margin-top:2px}.dsc-calc-products article>p{font-size:11px;color:#61757d;line-height:1.55;margin:12px 0}.dsc-calc-products details{border-top:1px solid #edf2f4;padding-top:10px}.dsc-calc-products summary{cursor:pointer;font-weight:800;font-size:12px;color:#173b45}.dsc-formula{margin-top:9px;padding:10px;border-radius:11px;background:#f8fafb;border:1px solid #edf2f4}.dsc-formula>b,.dsc-formula>code,.dsc-formula>em{display:block}.dsc-formula>b{font-size:11px;color:#213f48;margin-bottom:6px}.dsc-formula>code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;line-height:1.55;white-space:normal;word-break:break-word;color:#344f58;background:transparent;padding:0}.dsc-formula>em{font-style:normal;color:#71838b;font-size:10px;line-height:1.45;margin-top:7px}
.dsc-compare-details{margin:15px 0 2px;border:1px solid #dbe7ea;border-radius:14px;background:#fbfdfd;overflow:hidden}.dsc-compare-details>summary{cursor:pointer;padding:13px 15px;font-weight:800;color:#173944;list-style:none}.dsc-compare-details>summary::-webkit-details-marker{display:none}.dsc-compare-details>summary:after{content:'+';float:inline-end;width:24px;height:24px;border-radius:8px;background:#f4b400;color:#18343d;display:grid;place-items:center;margin-top:-3px}.dsc-compare-details[open]>summary:after{content:'−'}.dsc-compare-details .dsc-smart-options{margin:0;padding:0 14px 14px}.dsc-compare-details .dsc-smart-head{margin-top:0}
@media(max-width:820px){.dsc-calc-strip,.dsc-calc-products{grid-template-columns:1fr}.dsc-calc-products{border-radius:0 0 16px 16px}.dsc-calc-products article{padding:15px}.dsc-calc-strip>div{padding:12px 14px}.dsc-calc-product-top strong{font-size:28px}}

/* v3.1 detailed sizing parameter explanations */
.dsc-param-wrap{margin-top:11px;padding-top:10px;border-top:1px dashed #dbe5e8}.dsc-param-wrap h6{font-size:10px;letter-spacing:.02em;text-transform:uppercase;color:#60757d;margin:0 0 8px;font-weight:900}.dsc-param-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.dsc-param{background:#fff;border:1px solid #e4ecef;border-radius:9px;padding:8px;min-width:0}.dsc-param strong{display:block;font-size:12px;color:#0c3944;margin-bottom:2px}.dsc-param span{display:block;font-size:9.5px;line-height:1.35;color:#405b64}.dsc-param small{display:inline-flex;margin-top:5px;padding:2px 6px;border-radius:999px;background:#eef5f7;color:#667d85;font-size:8px;font-weight:800}.dsc-root[dir=rtl] .dsc-param-wrap h6,.dsc-root[dir=rtl] .dsc-param{text-align:right}
@media(max-width:1100px){.dsc-param-grid{grid-template-columns:1fr}}
@media(max-width:820px){.dsc-param-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.dsc-param-grid{grid-template-columns:1fr}.dsc-param{padding:9px}.dsc-param span{font-size:10px}}

/* v3.2 preferred contact multi-select */
.dsc-contact-methods{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.dsc-contact-method{display:inline-flex!important;align-items:center!important;gap:9px!important;margin:0!important;padding:10px 14px;border:1px solid #d7e0e6;border-radius:12px;background:#fff;cursor:pointer;font-weight:700!important;line-height:1.2}
.dsc-contact-method:hover{border-color:#efb100;background:#fffdf4}
.dsc-contact-method>span{display:inline!important;margin:0!important;font-size:14px!important}
.dsc-shell .dsc-contact-method input[type="checkbox"]{appearance:auto!important;-webkit-appearance:checkbox!important;width:18px!important;height:18px!important;min-width:18px!important;margin:0!important;padding:0!important;border-radius:3px!important;accent-color:#f6b800!important;box-shadow:none!important}
@media(max-width:600px){.dsc-contact-methods{display:grid!important;grid-template-columns:1fr 1fr!important;align-items:stretch!important}.dsc-contact-method{justify-content:flex-start;width:100%}}

/* v3.4 optional accessories / grounding */
.dsc-optional-accessories{margin-top:16px;padding:17px;border:1px solid #dfe8ec;border-radius:14px;background:#fff}
.dsc-optional-head{display:flex;justify-content:space-between;gap:14px;align-items:baseline;margin-bottom:12px}
.dsc-optional-head strong{font-size:14px;color:#17313a}.dsc-optional-head small{color:#71838b;font-size:12px}
.dsc-optional-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.dsc-optional-item{display:grid!important;grid-template-columns:auto 1fr auto;align-items:center;gap:11px;padding:13px 14px;border:1px solid #e0e8ec;border-radius:12px;background:#f9fbfc;cursor:pointer}
.dsc-optional-item input{width:18px!important;height:18px;margin:0!important;accent-color:var(--dsc)}
.dsc-optional-item span{min-width:0}.dsc-optional-item strong,.dsc-optional-item small{display:block}.dsc-optional-item strong{font-size:13px;color:#17313a}.dsc-optional-item small{margin-top:3px;color:#6d7f87;font-size:11px;line-height:1.45}
.dsc-optional-item em{font-style:normal;font-size:10px;font-weight:800;background:#fff2b5;color:#6b5100;border-radius:999px;padding:5px 8px}
.dsc-optional-item:has(input:checked){border-color:#f4b400;background:#fffaf0;box-shadow:0 0 0 2px rgba(244,180,0,.08)}
@media(max-width:700px){.dsc-optional-head{align-items:flex-start;flex-direction:column}.dsc-optional-list{grid-template-columns:1fr}}


/* v3.5 visual optional add-ons / grounding cards */
.dsc-product-cards .dsc-addon-card{background:#fff;overflow:hidden}
.dsc-product-cards .dsc-addon-card .dsc-product-photo{height:240px;background:#f7fafb;border:1px solid #edf2f4;border-radius:14px;margin-bottom:12px}
.dsc-product-cards .dsc-addon-card .dsc-product-photo img{width:100%;height:100%;object-fit:contain;padding:12px}
.dsc-product-cards .dsc-addon-card h4{color:#52616b}
.dsc-product-cards .dsc-addon-card>strong{line-height:1.35}
@media(max-width:850px){.dsc-product-cards .dsc-addon-card .dsc-product-photo{height:210px}}
@media(max-width:600px){.dsc-product-cards .dsc-addon-card .dsc-product-photo{height:180px}.dsc-product-cards .dsc-addon-card{padding:15px}}

/* v3.6 numbered price breakdown */
.dsc-price-breakdown .dsc-row-number{width:44px;min-width:44px;text-align:center!important;font-weight:700;}
@media(max-width:700px){.dsc-price-breakdown .dsc-row-number{width:36px;min-width:36px;}}


/* v4.4 stable rebuild from v3.6 */
/* Keep the original select controls in the DOM for stable calculation/AJAX logic, but hide the repeated red-style chooser. */
.dsc-product-selects{position:absolute!important;left:-99999px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}
.dsc-product-choice-wrap{background:linear-gradient(180deg,#fbfefd,#f4faf7);border-color:#cfe5dc;box-shadow:0 14px 36px rgba(8,91,63,.06)}
.dsc-section-head.mini{border-bottom:1px solid #dcebe5;padding-bottom:17px}.dsc-section-head.mini>div>span{background:#e6f5ee;color:#08734f}.dsc-section-head.mini h3{color:#123d32}
.dsc-compare-details{border-color:#bcdccb;background:#f7fcf9;margin-top:0}.dsc-compare-details>summary{color:#0c5f45;background:#eef8f3}.dsc-compare-details>summary:after{background:#dff2e8;color:#08734f}.dsc-compare-details[open]>summary:after{content:'−'}
.dsc-smart-head{background:linear-gradient(135deg,#edf8f2,#f8fcfa);border-color:#bcdccb}.dsc-smart-head span{background:#0b8a62;color:#fff}.dsc-smart-card.selected{border-color:#0b8a62;background:#f2fbf6;box-shadow:0 0 0 2px rgba(11,138,98,.10)}.dsc-smart-card i{color:#08734f}.dsc-smart-check{color:#08734f}
.dsc-product-editor-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0 12px}.dsc-editing-pill{display:inline-flex;padding:7px 10px;border-radius:999px;background:#e8f6ef;color:#116b4f;font-weight:700}.dsc-product-editor{border:1px solid #dbe6ea;border-radius:16px;background:#fff;margin-bottom:18px;overflow:hidden}.dsc-product-editor>summary{cursor:pointer;padding:16px 18px;font-size:16px;font-weight:800;background:#f7fafb;color:#173944;list-style:none}.dsc-product-editor>summary::-webkit-details-marker{display:none}.dsc-product-editor>summary:after{content:'+';float:right}.dsc-product-editor[open]>summary:after{content:'−'}.dsc-product-editor .product-form{margin:0;border:0;border-radius:0;box-shadow:none}.dsc-toolbar-pro{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.dsc-bulk-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border:1px solid #dde6eb;background:#fbfdfe;border-radius:12px;margin:14px 0}.dsc-bulk-bar label{display:flex;gap:8px;align-items:center}.dsc-product-check,#dsc-select-all-products,#dsc-select-all-products-head{width:auto!important}
@media(max-width:720px){.dsc-toolbar-pro{display:grid;grid-template-columns:1fr}.dsc-toolbar-pro>*{width:100%}.dsc-bulk-bar{align-items:flex-start;flex-direction:column}}