:root{
  --bg:#0a0e14;
  --bg2:#0f1620;
  --panel:#131c28;
  --panel2:#1a2533;
  --line:#26384b;
  --line2:#33485f;
  --txt:#e8eef5;
  --txt2:#94a9bf;
  --txt3:#5d7286;
  --muted:#6d839a;
  --sun:#ffb627;
  --sun2:#ff7b00;
  --sun-glow:rgba(255,182,39,.35);
  --green:#3ddc97;
  --green-d:#1ba672;
  --blue:#4ea8ff;
  --red:#ff5d5d;
  --purple:#9d7bff;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Cairo','Roboto',sans-serif;
  font-size:16px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255,123,0,.10), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(78,168,255,.07), transparent 55%),
    var(--bg);
  color:var(--txt);
  min-height:100vh;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
html[dir=ltr] body{font-family:'Roboto','Cairo',sans-serif;font-size:15px;line-height:1.6}

/* ===== Arabic typography — Cairo font sizes ===== */
html[dir=rtl] .brand h1{font-size:1.3rem;letter-spacing:0}
html[dir=rtl] .brand p{font-size:.92rem}
html[dir=rtl] .screen-head h2{font-size:1.55rem;letter-spacing:0}
html[dir=rtl] .screen-head p{font-size:1.05rem}
html[dir=rtl] .screen-head .kicker{font-size:.92rem}
html[dir=rtl] .type-card h3{font-size:1.4rem}
html[dir=rtl] .type-card p{font-size:1rem}
html[dir=rtl] .type-tag,html[dir=rtl] .tf{font-size:.85rem}
html[dir=rtl] .header-nav{font-size:1.02rem}
html[dir=rtl] .lang-toggle{font-size:.95rem}
html[dir=rtl] label.fld{font-size:.98rem}
html[dir=rtl] input,html[dir=rtl] select{font-size:1.05rem}
html[dir=rtl] .btn{font-size:1.05rem}
html[dir=rtl] .btn-sm{font-size:.95rem}
html[dir=rtl] th{font-size:.92rem}
html[dir=rtl] td{font-size:1rem}
html[dir=rtl] .rcard .rl{font-size:.92rem}
html[dir=rtl] .rcard .rv{font-size:1.85rem}
html[dir=rtl] .rcard .ru{font-size:.95rem}
html[dir=rtl] .rcard .rsub{font-size:.88rem}
html[dir=rtl] .result-section>h3{font-size:1.4rem}
html[dir=rtl] .hero-card .hc-label{font-size:.95rem}
html[dir=rtl] .hero-card .hc-value{font-size:2.4rem}
html[dir=rtl] .hero-card .hc-unit{font-size:1.15rem}
html[dir=rtl] .hero-card .hc-sub{font-size:.88rem}
html[dir=rtl] .chart-box h4{font-size:1.08rem}
html[dir=rtl] .chart-legend{font-size:.95rem}
html[dir=rtl] .map-stat .lbl{font-size:.9rem}
html[dir=rtl] .map-stat .val{font-size:1.45rem}
html[dir=rtl] .step-label{font-size:.85rem}
html[dir=rtl] .volt-opt .vd{font-size:.82rem}
html[dir=rtl] .volt-opt .vv{font-size:1.45rem}
html[dir=rtl] .note{font-size:.98rem}
html[dir=rtl] .footer-col h4{font-size:1.2rem}
html[dir=rtl] .footer-col ul a,html[dir=rtl] .contact-list li,html[dir=rtl] .footer-desc{font-size:1rem}
html[dir=rtl] .footer-bottom{font-size:.95rem}
html[dir=rtl] .chip{font-size:.9rem}
html[dir=rtl] .preset-chips span:first-child{font-size:.9rem}
html[dir=rtl] .empty-loads{font-size:1rem}
html[dir=rtl] .header-badge{font-size:.85rem}
html[dir=rtl] .loader-title{font-size:1.4rem}
html[dir=rtl] .loader-sub{font-size:1rem}
html[dir=rtl] .loader-steps{font-size:.85rem}
html[dir=rtl] .spec-pill{font-size:.9rem}
/* Hero section (if exists) */
html[dir=rtl] .hero-title{font-size:2.8rem;letter-spacing:0}
html[dir=rtl] .hero-sub{font-size:1.15rem}
html[dir=rtl] .hero-tag{font-size:.92rem}
html[dir=rtl] .btn-hero-primary,html[dir=rtl] .btn-hero-ghost{font-size:1.1rem}
html[dir=rtl] .hs-num{font-size:2.2rem}
html[dir=rtl] .hs-label{font-size:.95rem}
html[dir=rtl] .how-card h3,html[dir=rtl] .feat-card h3{font-size:1.25rem}
html[dir=rtl] .how-card p,html[dir=rtl] .feat-card p{font-size:1rem}
html[dir=rtl] .section-head h2{font-size:2rem}
html[dir=rtl] .section-head p{font-size:1.08rem}
.bg-grain{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Header ===== */
header{
  position:sticky;top:0;z-index:50;
  padding:18px 5vw;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
  background:rgba(10,14,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-nav{display:flex;align-items:center;gap:18px;font-size:.9rem}
.header-nav a{color:var(--txt2);text-decoration:none;padding:6px 4px;transition:.2s;position:relative}
.header-nav a:hover{color:var(--sun)}
.header-nav a::after{content:'';position:absolute;bottom:-2px;right:0;width:0;height:2px;background:var(--sun);transition:.3s}
.header-nav a:hover::after{width:100%}
.nav-sample{display:inline-flex;align-items:center;gap:5px;color:var(--sun)!important;border:1px solid var(--line2);
  border-radius:20px;padding:5px 12px!important;background:rgba(255,182,39,.06);transition:.22s}
.nav-sample:hover{border-color:var(--sun);background:rgba(255,182,39,.12);transform:translateY(-1px)}
.nav-sample::after{display:none!important}
@media(max-width:780px){.header-nav{display:none}}
.brand{display:flex;align-items:center;gap:14px}
.logo{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--sun),var(--sun2));
  display:grid;place-items:center;
  box-shadow:0 8px 26px var(--sun-glow);
  position:relative;overflow:hidden;
}
.logo svg{width:30px;height:30px}
.brand h1{font-family:'Cairo','Roboto',sans-serif;font-size:1.3rem;font-weight:700;letter-spacing:0}
.brand p{color:var(--txt2);font-size:.8rem;margin-top:-4px}
.header-badge{
  font-size:.75rem;color:var(--sun);border:1px solid var(--line2);
  padding:6px 14px;border-radius:30px;background:rgba(255,182,39,.06);
}
.lang-toggle{
  display:flex;align-items:center;gap:7px;font-family:'Cairo','Roboto',sans-serif;font-weight:700;font-size:.85rem;
  background:var(--panel2);border:1px solid var(--line2);color:var(--txt);
  padding:8px 16px;border-radius:30px;cursor:pointer;transition:.22s;
}
.lang-toggle:hover{border-color:var(--sun);color:var(--sun);transform:translateY(-1px)}
.lt-flag{font-size:1rem}
/* LTR mode (English) */
html[dir=ltr] .brand h1,html[dir=ltr] .screen-head h2,html[dir=ltr] .type-card h3,
html[dir=ltr] .result-section>h3,html[dir=ltr] .rcard .rv,html[dir=ltr] .map-stat .val,
html[dir=ltr] .step-label,html[dir=ltr] .volt-opt .vv{font-family:'Roboto','Cairo',sans-serif;font-weight:700}
html[dir=ltr] th,html[dir=ltr] td{text-align:left}
html[dir=ltr] .rcard::after{right:auto;left:0}
html[dir=ltr] .step-item:not(:last-child)::after{right:auto;left:-50%}

/* ===== Stepper ===== */
.stepper{
  position:relative;z-index:2;
  max-width:1100px;margin:14px auto 0;padding:0 5vw;
  display:flex;align-items:center;justify-content:space-between;gap:4px;
}
.step-item{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;position:relative}
.step-item:not(:last-child)::after{
  content:'';position:absolute;top:21px;right:-50%;width:100%;height:2px;
  background:var(--line);z-index:0;border-radius:3px;transition:.4s;
}
.step-item.done:not(:last-child)::after{background:linear-gradient(90deg,var(--green-d),var(--green))}
.step-dot{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--panel);border:2px solid var(--line);color:var(--txt2);
  font-weight:700;font-size:.95rem;z-index:1;transition:.35s;position:relative;
  box-shadow:0 2px 8px rgba(0,0,0,.3);
}
.step-dot svg{transition:.35s}
.step-item.active .step-dot{
  border-color:var(--sun);color:#0a0e14;background:linear-gradient(135deg,var(--sun),var(--sun2));
  box-shadow:0 0 0 5px var(--sun-glow), 0 4px 16px rgba(255,182,39,.4);transform:scale(1.1);
}
.step-item.active .step-dot svg{stroke:#0a0e14}
.step-item.done .step-dot{
  border-color:var(--green);background:var(--green);color:#04130c;
  box-shadow:0 2px 12px rgba(61,220,151,.3);
}
.step-item.done .step-dot svg{stroke:#04130c}
.step-label{font-size:.74rem;color:var(--txt2);text-align:center;max-width:90px}
.step-item.active .step-label{color:var(--sun)}

/* ===== Main ===== */
main{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:30px 5vw 80px}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow);
  animation:rise .5s cubic-bezier(.2,.8,.2,1);
}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.screen{display:none}
.screen.on{display:block}
.screen-head{margin-bottom:26px}
.screen-head .kicker{color:var(--sun);font-size:.82rem;font-weight:600;letter-spacing:1px;text-transform:uppercase}
.screen-head h2{font-family:'Cairo','Roboto',sans-serif;font-size:1.5rem;margin-top:4px;font-weight:700}
.screen-head p{color:var(--txt2);font-size:.95rem;margin-top:6px;max-width:640px}

/* ===== Plant type cards ===== */
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.type-card{
  background:var(--panel2);border:2px solid var(--line);border-radius:18px;
  cursor:pointer;transition:.32s cubic-bezier(.2,.8,.2,1);position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.type-card::before{
  content:'';position:absolute;inset:0;opacity:0;transition:.3s;pointer-events:none;
  background:radial-gradient(500px 250px at 50% 0%,rgba(255,182,39,.14),transparent 70%);
}
.type-card:hover{border-color:var(--line2);transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.type-card:hover::before{opacity:1}
.type-card.sel{border-color:var(--sun);background:rgba(255,182,39,.06);transform:translateY(-4px);
  box-shadow:0 18px 50px rgba(255,182,39,.18)}
.type-card.sel::before{opacity:1}
.type-card.sel::after{
  content:'✓';position:absolute;top:14px;inset-inline-end:14px;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;
  display:grid;place-items:center;font-weight:900;font-size:.95rem;box-shadow:0 4px 14px var(--sun-glow);
  animation:popIn .4s cubic-bezier(.2,1.8,.4,1);
}
@keyframes popIn{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}

.type-scene{
  background:linear-gradient(180deg, rgba(78,168,255,.06) 0%, transparent 100%);
  border-bottom:1px solid var(--line);
  padding:18px 16px 8px;
  position:relative;
}
.type-scene svg{display:block;width:100%;height:auto;max-height:140px}
.type-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.type-head-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.type-card h3{font-size:1.25rem;font-family:'Roboto','Cairo',sans-serif;letter-spacing:.5px;font-weight:800}
.type-card p{color:var(--txt2);font-size:.88rem;line-height:1.6;flex:1;margin-bottom:14px}
.type-tag{display:inline-block;font-size:.7rem;padding:5px 11px;border-radius:20px;font-weight:600;letter-spacing:.3px}
.tag-off{background:rgba(157,123,255,.15);color:var(--purple)}
.tag-on{background:rgba(78,168,255,.15);color:var(--blue)}
.tag-hy{background:rgba(61,220,151,.15);color:var(--green)}
.type-feats{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.tf{font-size:.74rem;padding:5px 10px;border-radius:8px;background:var(--panel);border:1px solid var(--line2);
  color:var(--txt2);display:inline-flex;align-items:center;gap:5px;font-weight:500}
.tf-x{color:var(--muted);opacity:.6;text-decoration:line-through;text-decoration-color:var(--red)}

/* ===== Map ===== */
#map{height:380px;border-radius:14px;border:1px solid var(--line2);margin-top:6px;z-index:1}
.map-info{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.map-stat{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:16px}
.map-stat .lbl{color:var(--txt2);font-size:.78rem}
.map-stat .val{font-size:1.3rem;font-weight:700;color:var(--sun);font-family:'Cairo','Roboto',sans-serif;margin-top:2px}
.map-search{display:flex;gap:10px;margin-bottom:14px}
.map-search input{flex:1}

/* ===== Forms ===== */
label.fld{display:block;margin-bottom:6px;font-size:.85rem;color:var(--txt2);font-weight:600}
input[type=text],input[type=number],select{
  width:100%;background:var(--bg);border:1px solid var(--line2);color:var(--txt);
  padding:12px 14px;border-radius:11px;font-family:'Cairo','Roboto',sans-serif;font-size:.95rem;transition:.2s;
}
input:focus,select:focus{outline:none;border-color:var(--sun);box-shadow:0 0 0 3px var(--sun-glow)}
input::placeholder{color:var(--muted)}
.row{display:grid;gap:16px;margin-bottom:18px}
.row.c2{grid-template-columns:1fr 1fr}
.row.c3{grid-template-columns:1fr 1fr 1fr}

/* ===== Loads table ===== */
.load-add{background:var(--panel2);border:1px dashed var(--line2);border-radius:14px;padding:20px;margin-bottom:22px}
.load-add h4{font-size:1rem;margin-bottom:14px;color:var(--sun);font-family:'Cairo','Roboto',sans-serif}
.load-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr auto;gap:12px;align-items:end}
.preset-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{font-size:.78rem;padding:7px 14px;border-radius:30px;background:var(--panel);border:1px solid var(--line2);
  color:var(--txt2);cursor:pointer;transition:.2s;display:flex;align-items:center;gap:6px}
.chip:hover{border-color:var(--sun);color:var(--sun)}
.tbl-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--line);margin-bottom:8px}
table{width:100%;border-collapse:collapse;min-width:560px}
th{background:var(--panel2);padding:13px 14px;text-align:right;font-size:.8rem;color:var(--txt2);font-weight:600;
  border-bottom:1px solid var(--line)}
td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:.9rem}
tr:last-child td{border-bottom:none}
tr.total-row td{background:var(--panel2);font-weight:700;color:var(--sun)}
.del-btn{background:rgba(255,93,93,.12);color:var(--red);border:none;width:30px;height:30px;border-radius:8px;
  cursor:pointer;font-size:1rem;transition:.2s}
.del-btn:hover{background:var(--red);color:#fff}
.empty-loads{padding:30px;text-align:center;color:var(--muted);font-size:.9rem}

/* ===== Buttons ===== */
.btns{display:flex;justify-content:space-between;gap:14px;margin-top:30px}
button.btn{
  font-family:'Cairo','Roboto',sans-serif;font-weight:700;font-size:.95rem;padding:13px 30px;border-radius:12px;
  border:none;cursor:pointer;transition:.22s;display:inline-flex;align-items:center;gap:9px;
}
.btn-next{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;box-shadow:0 8px 24px var(--sun-glow)}
.btn-next:hover{transform:translateY(-2px);box-shadow:0 12px 30px var(--sun-glow)}
.btn-next:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-back{background:var(--panel2);color:var(--txt);border:1px solid var(--line2)}
.btn-back:hover{border-color:var(--txt2)}
.btn-sm{padding:10px 18px;font-size:.85rem}
.btn-add{background:var(--green-d);color:#fff}
.btn-add:hover{background:var(--green);color:#04130c}

/* ===== Results ===== */
.result-section{margin-bottom:28px}

/* ===== Tilt angle section ===== */
.tilt-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:20px;align-items:center;
  background:var(--bg);border:1px solid var(--line2);border-radius:14px;padding:20px;margin-top:6px}
.tilt-diagram{background:linear-gradient(180deg,rgba(78,168,255,.05),transparent);border-radius:12px;padding:10px}
.tilt-diagram svg{width:100%;height:auto;display:block}
.tilt-info{display:flex;flex-direction:column;gap:16px}
.tilt-main{display:flex;align-items:baseline;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.tilt-main-val{font-family:'Roboto','Lateef',sans-serif;font-size:3.4rem;font-weight:800;line-height:1;
  color:var(--sun);letter-spacing:-2px}
.tilt-main-val span{font-size:1.8rem;margin-inline-start:2px}
.tilt-main-lbl{color:var(--txt2);font-size:.95rem;font-weight:600}
.tilt-seasons{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tilt-season{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center}
.ts-ico{font-size:1.3rem;margin-bottom:6px}
.ts-val{font-family:'Roboto','Lateef',sans-serif;font-size:1.5rem;font-weight:700;color:var(--txt);line-height:1.1}
.ts-lbl{color:var(--txt2);font-size:.78rem;margin-top:4px}
html[dir=rtl] .tilt-main-lbl{font-size:1.05rem}
html[dir=rtl] .ts-lbl{font-size:.88rem}
html[dir=rtl] .ts-val{font-size:1.6rem}
@media(max-width:720px){.tilt-wrap{grid-template-columns:1fr;gap:14px}}
.result-section > h3{font-family:'Cairo','Roboto',sans-serif;font-size:1.15rem;margin-bottom:16px;display:flex;align-items:center;gap:10px;
  padding-bottom:10px;border-bottom:1px solid var(--line)}
.result-section > h3 .num{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--sun),var(--sun2));
  color:#0a0e14;display:grid;place-items:center;font-size:.9rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.rcard{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:18px;position:relative;overflow:hidden}
.rcard::after{content:'';position:absolute;top:0;right:0;width:4px;height:100%;background:linear-gradient(var(--sun),var(--sun2))}
.rcard.g::after{background:linear-gradient(var(--green),var(--green-d))}
.rcard.b::after{background:linear-gradient(var(--blue),#2d7dd2)}
.rcard.p::after{background:linear-gradient(var(--purple),#6f4bd8)}
.rcard .rl{color:var(--txt2);font-size:.8rem;display:flex;align-items:center;gap:7px}
.rcard .rv{font-size:1.6rem;font-weight:700;font-family:'Cairo','Roboto',sans-serif;margin-top:6px;line-height:1.2}
.rcard .ru{font-size:.85rem;color:var(--muted)}
.rcard .rsub{font-size:.78rem;color:var(--txt2);margin-top:6px}

.note{background:rgba(78,168,255,.08);border:1px solid rgba(78,168,255,.3);border-radius:12px;padding:14px 16px;
  font-size:.85rem;color:#bcd8f5;margin-top:14px;display:flex;gap:10px}
.note.warn{background:rgba(255,182,39,.08);border-color:rgba(255,182,39,.3);color:#ffe0a0}
.note .ni{flex-shrink:0;font-size:1.1rem}

/* String diagram */
.string-vis{background:var(--bg);border:1px solid var(--line2);border-radius:14px;padding:24px;margin-top:14px;overflow-x:auto}
.string-row{display:flex;align-items:center;gap:8px;margin-bottom:14px;min-width:max-content}
.string-row:last-child{margin-bottom:0}
.string-label{font-size:.8rem;color:var(--txt2);min-width:90px}
.pv-panel{width:48px;height:34px;border-radius:6px;background:linear-gradient(135deg,#1a3a5c,#0e2438);
  border:1px solid var(--blue);display:grid;place-items:center;position:relative;flex-shrink:0;
  background-image:repeating-linear-gradient(90deg,transparent,transparent 9px,rgba(78,168,255,.25) 9px,rgba(78,168,255,.25) 10px),
                   repeating-linear-gradient(0deg,transparent,transparent 9px,rgba(78,168,255,.25) 9px,rgba(78,168,255,.25) 10px)}
.pv-link{color:var(--sun);font-weight:700;flex-shrink:0}
.string-plus{color:var(--green);font-size:.85rem;padding:0 4px}

/* SLD wiring */
.sld{background:var(--bg);border:1px solid var(--line2);border-radius:14px;padding:10px;margin-top:14px}
.sld svg{width:100%;height:auto;display:block}

/* cables/breakers table emphasis */
.spec-pill{font-size:.78rem;padding:3px 10px;border-radius:8px;background:var(--panel);border:1px solid var(--line2);color:var(--sun);font-weight:600}

.print-btn{background:var(--panel2);border:1px solid var(--line2);color:var(--txt)}
.print-btn:hover{border-color:var(--sun);color:var(--sun)}
.btn-3d{background:linear-gradient(135deg,#6f4bd8,#9d7bff);color:#fff;border:none;box-shadow:0 6px 20px rgba(157,123,255,.3)}
.btn-3d:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(157,123,255,.45)}

/* ===== Results Hero — big numbers ===== */
.result-hero{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:30px;
}
.hero-card{
  position:relative;overflow:hidden;border-radius:20px;padding:26px 24px;
  background:linear-gradient(135deg,rgba(255,182,39,.08),rgba(255,123,0,.02));
  border:1px solid rgba(255,182,39,.25);
}
.hero-card.green{background:linear-gradient(135deg,rgba(61,220,151,.08),rgba(27,166,114,.02));border-color:rgba(61,220,151,.25)}
.hero-card.purple{background:linear-gradient(135deg,rgba(157,123,255,.08),rgba(111,75,216,.02));border-color:rgba(157,123,255,.25)}
.hero-card::before{
  content:'';position:absolute;top:-30px;right:-30px;width:150px;height:150px;
  background:radial-gradient(circle,var(--sun) 0%,transparent 70%);opacity:.15;
}
.hero-card.green::before{background:radial-gradient(circle,var(--green) 0%,transparent 70%)}
.hero-card.purple::before{background:radial-gradient(circle,var(--purple) 0%,transparent 70%)}
.hero-card .hc-icon{font-size:1.6rem;margin-bottom:10px;position:relative;z-index:1}
.hero-card .hc-label{font-size:.82rem;color:var(--txt2);font-weight:500;margin-bottom:4px;position:relative;z-index:1}
.hero-card .hc-value{
  font-family:'Roboto','Cairo',sans-serif;
  font-size:2.6rem;font-weight:800;line-height:1.1;color:var(--sun);
  letter-spacing:-1px;position:relative;z-index:1;
}
.hero-card.green .hc-value{color:var(--green)}
.hero-card.purple .hc-value{color:var(--purple)}
.hero-card .hc-unit{font-size:1rem;color:var(--txt2);font-weight:500;margin-inline-start:6px}
.hero-card .hc-sub{font-size:.78rem;color:var(--muted);margin-top:6px;position:relative;z-index:1}

/* ===== Result section card sizes — bigger values ===== */
.rcard .rv{font-size:1.95rem;font-weight:800;letter-spacing:-.5px}

/* ===== Charts ===== */
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:14px 0}
.chart-box{
  background:var(--bg);border:1px solid var(--line2);border-radius:14px;padding:20px;
}
.chart-box h4{font-size:.9rem;margin-bottom:14px;color:var(--txt);font-weight:600;
  font-family:'Cairo','Roboto',sans-serif;display:flex;align-items:center;gap:8px}
.chart-box h4::before{content:'';width:4px;height:16px;background:linear-gradient(var(--sun),var(--sun2));border-radius:2px}
.chart-svg{width:100%;height:auto;display:block}
.chart-legend{display:flex;flex-direction:column;gap:8px;margin-top:14px;font-size:.82rem}
.legend-row{display:flex;align-items:center;gap:8px;color:var(--txt2)}
.legend-dot{width:11px;height:11px;border-radius:3px;flex-shrink:0}
.legend-val{margin-inline-start:auto;color:var(--txt);font-weight:600}
@media(max-width:780px){.chart-grid{grid-template-columns:1fr}.result-hero{grid-template-columns:1fr;gap:12px}.hero-card .hc-value{font-size:2.2rem}}
#loadingOverlay{
  position:fixed;inset:0;z-index:9999;
  background:rgba(10,14,20,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:none;align-items:center;justify-content:center;flex-direction:column;
  opacity:0;transition:opacity .35s;
}
#loadingOverlay.on{display:flex;opacity:1}

/* ===== 3D View Modal ===== */
#view3dModal{
  position:fixed;inset:0;z-index:10000;
  background:radial-gradient(900px 500px at 50% -10%, rgba(157,123,255,.12), transparent 60%), #070a0f;
  display:none;flex-direction:column;
  opacity:0;transition:opacity .3s;
}
#view3dModal.on{display:flex;opacity:1}
.v3d-top{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:16px 22px;border-bottom:1px solid var(--line);
  background:rgba(10,14,20,.7);backdrop-filter:blur(10px);z-index:2;
}
.v3d-title-wrap h3{font-family:'Roboto','Lateef',sans-serif;font-size:1.2rem;font-weight:700}
html[dir=rtl] .v3d-title-wrap h3{font-size:1.35rem}
.v3d-title-wrap span{display:block;color:var(--txt2);font-size:.8rem;margin-top:2px}
html[dir=rtl] .v3d-title-wrap span{font-size:.9rem}
.v3d-actions{display:flex;gap:10px;flex-wrap:wrap}
.v3d-btn-rotate{background:var(--panel2);border:1px solid var(--line2);color:var(--txt)}
.v3d-btn-rotate:hover{border-color:var(--sun);color:var(--sun)}
.v3d-btn-rotate.paused{border-color:var(--green);color:var(--green)}
.v3d-btn-gif{background:linear-gradient(135deg,var(--green-d),var(--green));color:#04130c;border:none;font-weight:700}
.v3d-btn-gif:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(61,220,151,.35)}
.v3d-btn-gif:disabled{opacity:.5;cursor:not-allowed;transform:none}
.v3d-btn-close{background:rgba(255,93,93,.15);color:var(--red);border:1px solid rgba(255,93,93,.3)}
.v3d-btn-close:hover{background:var(--red);color:#fff}
#v3dCanvasWrap{flex:1;position:relative;overflow:hidden}
#v3dCanvas{display:block;width:100%;height:100%;cursor:grab}
#v3dCanvas:active{cursor:grabbing}
#v3dLegend{
  position:absolute;top:18px;inset-inline-start:18px;
  background:rgba(19,28,40,.85);backdrop-filter:blur(8px);
  border:1px solid var(--line2);border-radius:14px;padding:14px 16px;
  display:flex;flex-direction:column;gap:9px;font-size:.85rem;max-width:240px;
}
.v3d-leg-row{display:flex;align-items:center;gap:9px;color:var(--txt)}
.v3d-leg-box{width:14px;height:14px;border-radius:4px;flex-shrink:0}
.v3d-leg-val{margin-inline-start:auto;color:var(--txt2);font-size:.78rem;font-weight:600}
#v3dGifProgress{
  position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:rgba(7,10,15,.88);backdrop-filter:blur(6px);z-index:5;
}
#v3dGifProgress.on{display:flex}
.v3d-gif-spinner{
  width:54px;height:54px;border-radius:50%;
  border:4px solid var(--line2);border-top-color:var(--green);
  animation:v3dSpin .9s linear infinite;
}
@keyframes v3dSpin{to{transform:rotate(360deg)}}
#v3dGifMsg{color:var(--txt);font-size:1rem;font-weight:600}
.v3d-gif-bar{width:min(320px,70vw);height:6px;background:var(--panel2);border-radius:6px;overflow:hidden}
#v3dGifBarFill{height:100%;width:0;background:linear-gradient(90deg,var(--green-d),var(--green));transition:width .2s;border-radius:6px}
@media(max-width:600px){
  .v3d-top{padding:12px 14px}
  .v3d-actions .btn{font-size:.8rem;padding:8px 12px}
  #v3dLegend{font-size:.78rem;padding:10px 12px;max-width:170px}
}

.loader-card{
  width:min(440px,90vw);
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line2);border-radius:22px;
  padding:42px 36px;text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 80px rgba(255,182,39,.08);
  position:relative;overflow:hidden;
}
.loader-card::before{
  content:'';position:absolute;top:0;left:-50%;width:50%;height:2px;
  background:linear-gradient(90deg,transparent,var(--sun),transparent);
  animation:loaderSweep 2s linear infinite;
}
@keyframes loaderSweep{0%{left:-50%}100%{left:100%}}
.loader-sun{
  width:90px;height:90px;margin:0 auto 22px;position:relative;
  display:grid;place-items:center;
}
.loader-sun-core{
  width:46px;height:46px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#ffd97a,var(--sun) 50%,var(--sun2));
  box-shadow:0 0 30px var(--sun-glow),0 0 60px rgba(255,123,0,.25);
  animation:sunPulse 1.8s ease-in-out infinite;
}
@keyframes sunPulse{0%,100%{transform:scale(1);box-shadow:0 0 30px var(--sun-glow),0 0 60px rgba(255,123,0,.25)}
  50%{transform:scale(1.08);box-shadow:0 0 45px var(--sun-glow),0 0 90px rgba(255,123,0,.4)}}
.loader-sun-rays{
  position:absolute;inset:0;animation:sunRotate 6s linear infinite;
}
.loader-sun-rays::before, .loader-sun-rays::after{
  content:'';position:absolute;background:linear-gradient(var(--sun),transparent);
  border-radius:4px;
}
.loader-sun-rays::before{top:0;left:50%;width:3px;height:14px;transform:translateX(-50%);
  box-shadow:
    0 76px 0 -1px var(--sun),
    -36px 6px 0 -1px var(--sun),
    36px 6px 0 -1px var(--sun),
    -36px 66px 0 -1px var(--sun),
    36px 66px 0 -1px var(--sun);
}
.loader-sun-rays::after{top:50%;left:0;width:14px;height:3px;transform:translateY(-50%);
  box-shadow:76px 0 0 -1px var(--sun);
}
@keyframes sunRotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.loader-title{font-family:'Cairo','Roboto',sans-serif;font-size:1.15rem;font-weight:700;
  margin-bottom:8px;color:var(--txt);letter-spacing:.3px}
.loader-sub{color:var(--txt2);font-size:.88rem;margin-bottom:24px;min-height:22px;transition:.3s}
.loader-bar{
  height:6px;background:var(--panel2);border-radius:6px;overflow:hidden;position:relative;
}
.loader-bar-fill{
  position:absolute;inset:0;width:0;
  background:linear-gradient(90deg,var(--sun),var(--sun2));
  border-radius:6px;transition:width .25s ease-out;
  box-shadow:0 0 12px var(--sun-glow);
}
.loader-steps{display:flex;justify-content:space-between;margin-top:16px;font-size:.72rem;color:var(--muted)}
.loader-step{display:flex;align-items:center;gap:5px;transition:.3s}
.loader-step.active{color:var(--sun)}
.loader-step.done{color:var(--green)}
.loader-step-dot{width:7px;height:7px;border-radius:50%;background:var(--line2);transition:.3s}
.loader-step.active .loader-step-dot{background:var(--sun);box-shadow:0 0 8px var(--sun)}
.loader-step.done .loader-step-dot{background:var(--green)}

/* ===== Hero Section ===== */
.hero{
  position:relative;overflow:hidden;
  padding:70px 5vw 100px;
  min-height:calc(100vh - 80px);
  display:flex;align-items:center;
}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.hero-sun{
  position:absolute;top:-150px;left:-150px;width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,182,39,.22),rgba(255,123,0,.08) 40%,transparent 70%);
  animation:sunPulse 8s ease-in-out infinite;
}
html[dir=rtl] .hero-sun{left:auto;right:-150px}
@keyframes sunPulse{
  0%,100%{transform:scale(1);opacity:.9}
  50%{transform:scale(1.08);opacity:1}
}
.hero-rays{
  position:absolute;top:-200px;left:-200px;width:600px;height:600px;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(255,182,39,.05) 10deg,transparent 20deg,transparent 60deg,rgba(255,182,39,.05) 70deg,transparent 80deg,transparent 120deg,rgba(255,182,39,.05) 130deg,transparent 140deg,transparent 180deg,rgba(255,182,39,.05) 190deg,transparent 200deg,transparent 240deg,rgba(255,182,39,.05) 250deg,transparent 260deg,transparent 300deg,rgba(255,182,39,.05) 310deg,transparent 320deg);
  animation:raysRotate 60s linear infinite;
}
html[dir=rtl] .hero-rays{left:auto;right:-200px}
@keyframes raysRotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(78,168,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(78,168,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
}
.hero-inner{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;
}
.hero-tag{
  display:inline-block;font-size:.85rem;font-weight:600;color:var(--sun);
  background:rgba(255,182,39,.08);border:1px solid rgba(255,182,39,.25);
  padding:7px 18px;border-radius:30px;margin-bottom:24px;
}
.hero-title{
  font-family:'Cairo','Roboto',sans-serif;font-weight:800;
  font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.2;letter-spacing:0;
  margin-bottom:22px;
}
html[dir=ltr] .hero-title{font-family:'Roboto','Cairo',sans-serif;font-weight:800}
.hero-grad{
  background:linear-gradient(135deg,var(--sun) 0%,var(--sun2) 60%,#ff5d5d 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;
}
.hero-sub{
  color:var(--txt2);font-size:1.05rem;line-height:1.85;margin-bottom:36px;max-width:560px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:50px}
.btn-hero-primary{
  font-family:'Cairo','Roboto',sans-serif;font-weight:700;font-size:1rem;
  padding:15px 32px;border-radius:14px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;
  box-shadow:0 10px 30px var(--sun-glow);
  display:inline-flex;align-items:center;gap:10px;transition:.25s;
}
html[dir=ltr] .btn-hero-primary{font-family:'Roboto',sans-serif}
.btn-hero-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px var(--sun-glow)}
.btn-hero-primary .arrow{display:inline-block;transition:transform .25s}
.btn-hero-primary:hover .arrow{transform:translateX(-6px)}
html[dir=ltr] .btn-hero-primary:hover .arrow{transform:translateX(6px)}
.btn-hero-secondary{
  font-family:'Cairo','Roboto',sans-serif;font-weight:600;font-size:.95rem;
  padding:15px 28px;border-radius:14px;text-decoration:none;
  background:transparent;color:var(--txt);border:1px solid var(--line2);
  display:inline-flex;align-items:center;transition:.25s;
}
html[dir=ltr] .btn-hero-secondary{font-family:'Roboto',sans-serif}
.btn-hero-secondary:hover{border-color:var(--sun);color:var(--sun);background:rgba(255,182,39,.04)}
.hero-stats{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.hs-item .hs-num{
  font-family:'Cairo','Roboto',sans-serif;font-weight:800;
  font-size:1.9rem;color:var(--sun);line-height:1;
}
html[dir=ltr] .hs-item .hs-num{font-family:'Roboto',sans-serif;font-weight:800}
.hs-item .hs-lbl{color:var(--txt2);font-size:.82rem;margin-top:4px}
.hs-divider{width:1px;height:36px;background:var(--line2)}
.hero-visual{position:relative;display:grid;place-items:center}
.hero-svg{width:100%;max-width:460px;height:auto;filter:drop-shadow(0 30px 60px rgba(255,123,0,.15))}
.hero-sun-svg{animation:sunPulse 6s ease-in-out infinite;transform-origin:310px 90px}
.hero-rays-svg{animation:raysRotate 80s linear infinite;transform-origin:310px 90px}
.hero-particles circle{animation:floatUp 3s ease-in-out infinite}
.hero-particles circle:nth-child(2){animation-delay:.7s}
.hero-particles circle:nth-child(3){animation-delay:1.4s}
@keyframes floatUp{
  0%{transform:translateY(0);opacity:0}
  50%{opacity:1}
  100%{transform:translateY(-30px);opacity:0}
}
.hero-scroll{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  color:var(--txt2);text-decoration:none;animation:bounce 2s ease-in-out infinite;
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line2);background:rgba(19,28,40,.6);backdrop-filter:blur(8px);
  transition:.25s;
}
.hero-scroll:hover{color:var(--sun);border-color:var(--sun)}
@keyframes bounce{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(8px)}
}

/* ===== Section Head ===== */
.section-head{text-align:center;max-width:680px;margin:0 auto 50px}
.section-head .kicker{
  display:inline-block;color:var(--sun);font-size:.8rem;font-weight:600;
  letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;
  padding:5px 14px;background:rgba(255,182,39,.08);border-radius:20px;
}
.section-head h2{
  font-family:'Cairo','Roboto',sans-serif;font-weight:700;
  font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px;line-height:1.3;
}
html[dir=ltr] .section-head h2{font-family:'Roboto',sans-serif;font-weight:700}
.section-head p{color:var(--txt2);font-size:1rem;line-height:1.75}

/* ===== Pricing ===== */
.pricing{max-width:1100px;margin:0 auto;padding:80px 5vw;position:relative;z-index:2}
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:760px;margin:0 auto}
.price-card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:22px;padding:34px 30px;
  position:relative;transition:.3s;display:flex;flex-direction:column;
}
.price-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:0 22px 50px rgba(0,0,0,.4)}
.price-card.featured{
  border-color:rgba(255,182,39,.4);
  background:linear-gradient(180deg,rgba(255,182,39,.06),var(--bg2));
  box-shadow:0 18px 50px rgba(255,182,39,.12);
}
.price-card.featured:hover{box-shadow:0 26px 60px rgba(255,182,39,.2)}
.pc-badge{
  position:absolute;top:-13px;inset-inline-start:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;
  font-size:.74rem;font-weight:700;padding:6px 16px;border-radius:20px;
  box-shadow:0 6px 18px var(--sun-glow);white-space:nowrap;
}
html[dir=ltr] .pc-badge{transform:translateX(50%)}
.pc-head{text-align:center;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:22px}
.pc-ico{
  width:54px;height:54px;border-radius:15px;margin:0 auto 14px;display:grid;place-items:center;
  font-size:1.5rem;background:var(--panel2);border:1px solid var(--line2);
}
.price-card.featured .pc-ico{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;border:none}
.pc-head h3{font-family:'Cairo','Roboto',sans-serif;font-size:1.3rem;font-weight:700;margin-bottom:6px}
html[dir=ltr] .pc-head h3{font-family:'Roboto',sans-serif}
.pc-tagline{color:var(--txt2);font-size:.88rem}
.pc-price{display:flex;align-items:baseline;justify-content:center;gap:3px;margin-bottom:8px}
.pc-cur{font-size:1.6rem;font-weight:700;color:var(--sun);align-self:flex-start;margin-top:6px}
.pc-amount{font-family:'Roboto',sans-serif;font-size:3.6rem;font-weight:800;line-height:1;color:var(--txt);letter-spacing:-2px;transition:.2s}
.pc-period{color:var(--txt2);font-size:.95rem;margin-inline-start:4px}
.pc-yearly-note{text-align:center;color:var(--green);font-size:.82rem;font-weight:600;margin-bottom:18px}
.bill-toggle{
  display:flex;align-items:center;gap:0;background:var(--panel2);border:1px solid var(--line2);
  border-radius:30px;padding:4px;margin:0 auto 18px;width:fit-content;position:relative;
}
.bill-opt{
  font-family:inherit;font-size:.85rem;font-weight:600;padding:7px 18px;border-radius:24px;
  border:none;background:transparent;color:var(--txt2);cursor:pointer;transition:.25s;
}
.bill-opt.active{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14}
.bill-save{
  position:absolute;top:-10px;inset-inline-end:-8px;background:var(--green-d);color:#fff;
  font-size:.62rem;font-weight:700;padding:3px 9px;border-radius:12px;white-space:nowrap;
}
html[dir=rtl] .bill-opt{font-size:.92rem}
.pc-features{list-style:none;flex:1;margin-bottom:26px;display:flex;flex-direction:column;gap:13px}
.pc-features li{display:flex;align-items:flex-start;gap:10px;color:var(--txt);font-size:.92rem;line-height:1.5}
.pc-check{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:rgba(61,220,151,.15);color:var(--green);font-size:.72rem;font-weight:800;margin-top:1px;
}
.pc-btn{
  display:block;text-align:center;text-decoration:none;font-weight:700;font-size:.98rem;
  padding:14px;border-radius:13px;transition:.25s;font-family:'Cairo','Roboto',sans-serif;
}
html[dir=ltr] .pc-btn{font-family:'Roboto',sans-serif}
.pc-btn-ghost{background:var(--panel2);color:var(--txt);border:1px solid var(--line2)}
.pc-btn-ghost:hover{border-color:var(--sun);color:var(--sun)}
.pc-btn-primary{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;box-shadow:0 8px 24px var(--sun-glow)}
.pc-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px var(--sun-glow)}
.price-note{text-align:center;color:var(--txt2);font-size:.9rem;margin-top:34px;max-width:560px;margin-inline:auto}
html[dir=rtl] .pc-tagline,html[dir=rtl] .pc-features li,html[dir=rtl] .price-note{font-size:.98rem}
html[dir=rtl] .pc-head h3{font-size:1.45rem}
@media(max-width:680px){.price-grid{grid-template-columns:1fr;gap:30px}.pricing{padding:60px 5vw}}


/* ===== How It Works ===== */
.how{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;padding:70px 5vw 60px;
}
.how-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.how-card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:16px;
  padding:24px 18px;position:relative;transition:.3s;overflow:hidden;
}
.how-card::before{
  content:'';position:absolute;top:0;right:0;width:60px;height:60px;
  background:radial-gradient(circle at top right,rgba(255,182,39,.1),transparent 70%);
  opacity:0;transition:.3s;
}
html[dir=ltr] .how-card::before{right:auto;left:0;background:radial-gradient(circle at top left,rgba(255,182,39,.1),transparent 70%)}
.how-card:hover{transform:translateY(-6px);border-color:var(--sun)}
.how-card:hover::before{opacity:1}
.how-card.highlight{
  background:linear-gradient(180deg,rgba(255,182,39,.06),rgba(255,123,0,.02));
  border-color:rgba(255,182,39,.3);
}
.how-num{
  font-family:'Cairo','Roboto',sans-serif;font-weight:800;font-size:2rem;
  color:transparent;-webkit-text-stroke:1.2px var(--line2);
  margin-bottom:8px;line-height:1;
}
.how-card.highlight .how-num{-webkit-text-stroke-color:var(--sun)}
.how-ico{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--panel2),var(--bg));
  border:1px solid var(--line2);color:var(--sun);
  display:grid;place-items:center;margin-bottom:14px;
}
.how-ico svg{width:22px;height:22px}
.how-card h3{
  font-family:'Cairo','Roboto',sans-serif;font-weight:700;
  font-size:1rem;margin-bottom:8px;
}
html[dir=ltr] .how-card h3{font-family:'Roboto',sans-serif}
.how-card p{color:var(--txt2);font-size:.85rem;line-height:1.7}

/* ===== Features ===== */
.features{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;padding:60px 5vw 70px;
}
.feat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.feat-card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:16px;
  padding:28px 24px;transition:.3s;
}
.feat-card:hover{transform:translateY(-4px);border-color:var(--line2)}
.feat-ico-wrap{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,182,39,.15),rgba(255,123,0,.05));
  border:1px solid rgba(255,182,39,.25);color:var(--sun);
  display:grid;place-items:center;margin-bottom:18px;
}
.feat-card h3{
  font-family:'Cairo','Roboto',sans-serif;font-weight:700;
  font-size:1.05rem;margin-bottom:10px;
}
html[dir=ltr] .feat-card h3{font-family:'Roboto',sans-serif}
.feat-card p{color:var(--txt2);font-size:.92rem;line-height:1.75}

/* ===== Scroll Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.revealed{opacity:1;transform:translateY(0)}
.how-card.reveal:nth-child(1){transition-delay:0s}
.how-card.reveal:nth-child(2){transition-delay:.08s}
.how-card.reveal:nth-child(3){transition-delay:.16s}
.how-card.reveal:nth-child(4){transition-delay:.24s}
.how-card.reveal:nth-child(5){transition-delay:.32s}
.feat-card.reveal:nth-child(1){transition-delay:0s}
.feat-card.reveal:nth-child(2){transition-delay:.08s}
.feat-card.reveal:nth-child(3){transition-delay:.16s}
.feat-card.reveal:nth-child(4){transition-delay:.24s}
.feat-card.reveal:nth-child(5){transition-delay:.32s}
.feat-card.reveal:nth-child(6){transition-delay:.40s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ===== Footer ===== */
footer{
  position:relative;z-index:2;margin-top:40px;
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  border-top:1px solid var(--line);
}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:60px 5vw 30px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-col h4{
  font-family:'Cairo','Roboto',sans-serif;font-size:1rem;color:var(--sun);
  margin-bottom:18px;font-weight:700;letter-spacing:.3px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;bottom:0;right:0;width:36px;height:2px;
  background:linear-gradient(90deg,var(--sun),var(--sun2));border-radius:2px;
}
html[dir=ltr] .footer-col h4::after{right:auto;left:0}
.footer-desc{color:var(--txt2);font-size:.92rem;line-height:1.75;margin-bottom:18px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--txt2);text-decoration:none;font-size:.9rem;transition:.2s;display:inline-block}
.footer-col ul a:hover{color:var(--sun);transform:translateX(-4px)}
html[dir=ltr] .footer-col ul a:hover{transform:translateX(4px)}
.contact-list li{display:flex;align-items:center;gap:10px;color:var(--txt2);font-size:.9rem}
.contact-list a{color:inherit;text-decoration:none}
.contact-list a:hover{color:var(--sun)}
.ci{width:30px;height:30px;border-radius:8px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;flex-shrink:0;font-size:.85rem}
.footer-social{display:flex;gap:10px;margin-top:8px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;color:var(--txt2);transition:.25s;
}
.footer-social a:hover{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#0a0e14;
  border-color:transparent;transform:translateY(-3px)}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:20px 5vw;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:.85rem;
}
.footer-bottom-links{display:flex;gap:10px;align-items:center}
.footer-bottom-links a{color:var(--txt2);text-decoration:none;transition:.2s}
.footer-bottom-links a:hover{color:var(--sun)}

/* radio voltage */
.volt-pick{display:flex;gap:10px;flex-wrap:wrap}
.volt-opt{flex:1;min-width:90px;text-align:center;padding:14px;border-radius:12px;background:var(--panel2);
  border:2px solid var(--line);cursor:pointer;transition:.2s}
.volt-opt:hover{border-color:var(--line2)}
.volt-opt.sel{border-color:var(--sun);background:rgba(255,182,39,.07);color:var(--sun)}
.volt-opt .vv{font-size:1.2rem;font-weight:700;font-family:'Cairo','Roboto',sans-serif}
.volt-opt .vd{font-size:.72rem;color:var(--txt2)}

@media(max-width:780px){
  .type-grid{grid-template-columns:1fr}
  .row.c2,.row.c3{grid-template-columns:1fr}
  .load-grid{grid-template-columns:1fr 1fr;gap:10px}
  .map-info{grid-template-columns:1fr}
  .step-label{display:none}
  .stepper{justify-content:space-around}
  .panel{padding:22px}
  .screen-head h2{font-size:1.35rem}
  .footer-inner{grid-template-columns:1fr 1fr;gap:30px;padding:40px 5vw 24px}
  .footer-brand-col{grid-column:1/-1}
  .footer-bottom{flex-direction:column;text-align:center}
  /* Hero responsive */
  .hero{padding:40px 5vw 60px;min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:30px;text-align:center}
  .hero-visual{order:-1;max-width:300px;margin:0 auto}
  .hero-cta{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-scroll{display:none}
  /* How responsive */
  .how-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .how-card.highlight{grid-column:1/-1}
  /* Features responsive */
  .feat-grid{grid-template-columns:1fr;gap:14px}
  .feat-card{padding:22px 20px}
}
@media(max-width:480px){
  .how-grid{grid-template-columns:1fr}
  .how-card.highlight{grid-column:auto}
}


/* تحسين Stepper للمعالج */
.stepper{
  background:linear-gradient(180deg,rgba(19,28,40,.95),rgba(15,22,32,.95));
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px 5vw;
  margin:20px auto 0;
  box-shadow:0 8px 32px rgba(0,0,0,.4);
  backdrop-filter:blur(10px);
}
.step-item{
  cursor:default;
}
.step-item.done{cursor:pointer}
.step-item.done:hover .step-dot{
  transform:scale(1.05);
  border-color:var(--green);
  box-shadow:0 0 0 4px rgba(61,220,151,.2);
}
.step-label{
  font-size:.72rem;
  color:var(--txt2);
  text-align:center;
  max-width:90px;
  line-height:1.3;
  font-weight:500;
}
.step-item.active .step-label{
  color:var(--sun);
  font-weight:700;
}
.step-item.done .step-label{
  color:var(--green);
}

/* تحسين الـ Panel */
.panel{
  border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel) 0%,var(--bg2) 100%);
  box-shadow:0 24px 64px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.03);
  padding:36px;
  animation:panelRise .45s cubic-bezier(.2,.8,.2,1);
}
@keyframes panelRise{
  from{opacity:0;transform:translateY(20px) scale(.99)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

/* تحسين screen-head */
.screen-head{
  margin-bottom:28px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.screen-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--sun);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:1.5px;
  text-transform:uppercase;
  background:rgba(255,182,39,.08);
  border:1px solid rgba(255,182,39,.2);
  padding:5px 12px;
  border-radius:20px;
  margin-bottom:10px;
}
.screen-head h2{
  font-family:'Cairo','Roboto',sans-serif;
  font-size:1.5rem;
  font-weight:700;
  margin-top:6px;
  line-height:1.3;
}
.screen-head p{
  color:var(--txt2);
  font-size:.9rem;
  margin-top:8px;
  max-width:640px;
  line-height:1.7;
}

/* تحسين الأزرار */
button.btn{
  font-family:'Cairo','Roboto',sans-serif;
  font-weight:700;
  font-size:.9rem;
  padding:13px 28px;
  border-radius:14px;
  border:none;
  cursor:pointer;
  transition:.22s cubic-bezier(.2,.8,.2,1);
  display:inline-flex;
  align-items:center;
  gap:9px;
  letter-spacing:.2px;
}
.btn-next{
  background:linear-gradient(135deg,var(--sun) 0%,var(--sun2) 100%);
  color:#0a0e14;
  box-shadow:0 6px 20px var(--sun-glow);
}
.btn-next:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 28px var(--sun-glow);
}
.btn-back{
  background:var(--panel2);
  color:var(--txt);
  border:1px solid var(--line2);
}
.btn-back:hover{
  border-color:var(--txt2);
  background:var(--panel);
}

/* تحسين بطاقات النتائج */
.rcard{
  background:linear-gradient(135deg,var(--panel2),rgba(26,37,51,.7));
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  position:relative;
  overflow:hidden;
  transition:.25s;
}
.rcard:hover{
  border-color:var(--line2);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.3);
}
.rcard::after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:4px;
  height:100%;
  background:linear-gradient(var(--sun),var(--sun2));
  border-radius:0 16px 16px 0;
}
html[dir=ltr] .rcard::after{
  right:auto;
  left:0;
  border-radius:16px 0 0 16px;
}

/* تحسين hero-card */
.hero-card{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  padding:24px 22px;
  background:linear-gradient(135deg,rgba(255,182,39,.08),rgba(255,123,0,.02));
  border:1px solid rgba(255,182,39,.2);
  transition:.3s;
}
.hero-card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(255,182,39,.15);
}
.hero-card .hc-value{
  font-family:'Cairo','Roboto',sans-serif;
  font-size:2.4rem;
  font-weight:800;
  line-height:1.1;
  color:var(--sun);
  letter-spacing:-1px;
  position:relative;
  z-index:1;
}

/* تحسين الـ note */
.note{
  background:rgba(78,168,255,.06);
  border:1px solid rgba(78,168,255,.2);
  border-radius:14px;
  padding:14px 16px;
  font-size:.85rem;
  color:#bcd8f5;
  margin-top:14px;
  display:flex;
  gap:10px;
  line-height:1.6;
}
.note.warn{
  background:rgba(255,182,39,.06);
  border-color:rgba(255,182,39,.2);
  color:#ffe0a0;
}

/* تحسين الجداول */
th{
  background:linear-gradient(180deg,var(--panel2),rgba(26,37,51,.8));
  padding:13px 14px;
  text-align:right;
  font-size:.8rem;
  color:var(--txt2);
  font-weight:600;
  border-bottom:1px solid var(--line);
  font-family:'Cairo','Roboto',sans-serif;
}
td{
  padding:13px 14px;
  border-bottom:1px solid var(--line);
  font-size:.88rem;
  font-family:'Cairo','Roboto',sans-serif;
}

/* تحسين الـ chip */
.chip{
  font-size:.78rem;
  padding:7px 14px;
  border-radius:30px;
  background:var(--panel);
  border:1px solid var(--line2);
  color:var(--txt2);
  cursor:pointer;
  transition:.2s;
  display:flex;
  align-items:center;
  gap:6px;
  font-family:'Cairo','Roboto',sans-serif;
}

/* تحسين الـ volt-opt */
.volt-opt{
  flex:1;
  min-width:90px;
  text-align:center;
  padding:14px;
  border-radius:14px;
  background:var(--panel2);
  border:2px solid var(--line);
  cursor:pointer;
  transition:.25s cubic-bezier(.2,.8,.2,1);
}
.volt-opt:hover{
  border-color:var(--line2);
  transform:translateY(-2px);
}
.volt-opt.sel{
  border-color:var(--sun);
  background:rgba(255,182,39,.07);
  color:var(--sun);
  box-shadow:0 4px 16px var(--sun-glow);
}

/* تحسين الـ map-stat */
.map-stat{
  background:linear-gradient(135deg,var(--panel2),rgba(26,37,51,.7));
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px;
  transition:.25s;
}
.map-stat:hover{
  border-color:var(--line2);
}
.map-stat .lbl{
  color:var(--txt2);
  font-size:.78rem;
  font-family:'Cairo','Roboto',sans-serif;
}
.map-stat .val{
  font-size:1.25rem;
  font-weight:700;
  color:var(--sun);
  font-family:'Cairo','Roboto',sans-serif;
  margin-top:4px;
}

/* تحسين الـ type-card */
.type-card h3{
  font-size:1.1rem;
  font-family:'Cairo','Roboto',sans-serif;
  letter-spacing:.3px;
  font-weight:800;
}
.type-card p{
  color:var(--txt2);
  font-size:.85rem;
  line-height:1.65;
  flex:1;
  margin-bottom:14px;
  font-family:'Cairo','Roboto',sans-serif;
}

/* تحسين الـ result-section */
.result-section > h3{
  font-family:'Cairo','Roboto',sans-serif;
  font-size:1.1rem;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  font-weight:700;
}

/* تحسين الـ label */
label.fld{
  display:block;
  margin-bottom:7px;
  font-size:.82rem;
  color:var(--txt2);
  font-weight:600;
  font-family:'Cairo','Roboto',sans-serif;
  letter-spacing:.2px;
}

/* تحسين الـ input/select */
input[type=text],input[type=number],select{
  width:100%;
  background:var(--bg);
  border:1px solid var(--line2);
  color:var(--txt);
  padding:12px 14px;
  border-radius:12px;
  font-family:'Cairo','Roboto',sans-serif;
  font-size:.9rem;
  transition:.2s;
}
input:focus,select:focus{
  outline:none;
  border-color:var(--sun);
  box-shadow:0 0 0 3px var(--sun-glow);
  background:rgba(10,14,20,.8);
}

/* تحسين الـ btns */
.btns{
  display:flex;
  justify-content:space-between;
  gap:14px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid var(--line);
}