:root{
  --navy:#0B3A78;
  --navy-2:#071F3F;
  --navy-3:#123F7C;
  --steel:#7C8794;
  --orange:#F5A623;
  --ink:#243447;
  --muted:#687789;
  --soft:#F4F6F8;
  --soft-2:#EEF3F7;
  --line:#DCE4EB;
  --white:#FFFFFF;
  --success:#1E6B58;
  --container:1180px;
  --shadow:0 16px 40px rgba(7,31,63,.08);
  --shadow-lg:0 24px 60px rgba(7,31,63,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(100% - 40px,var(--container));margin:0 auto}
.section{padding:90px 0}
.section.soft{background:var(--soft)}
.section.navy{background:var(--navy-2);color:#fff}
.section.compact{padding:68px 0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--navy);font-weight:850;font-size:12px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:14px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:3px;background:var(--orange)}
.navy .eyebrow{color:#fff}
h1,h2,h3,h4{margin:0;color:var(--navy-2);line-height:1.14;letter-spacing:-.025em}
h1{font-size:clamp(44px,5.8vw,78px);max-width:900px}
h2{font-size:clamp(32px,3.7vw,50px)}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 16px}
.lead{font-size:19px;color:var(--muted);max-width:820px}
.navy h1,.navy h2,.navy h3,.navy h4{color:#fff}.navy .lead,.navy p{color:rgba(255,255,255,.74)}
.section-head{max-width:900px;margin-bottom:38px}.section-head.center{text-align:center;margin-inline:auto;margin-bottom:48px}.section-head.center .lead{margin-inline:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--navy);background:var(--navy);color:#fff;border-radius:10px;padding:12px 18px;font-weight:800;font-size:14px;transition:.18s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(11,58,120,.18)}
.btn.orange{background:var(--orange);border-color:var(--orange);color:#13283f}
.btn.ghost{background:#fff;color:var(--navy);border-color:#b9c7d5}.btn.ghost-dark{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}.btn.small{padding:9px 13px;font-size:13px}
.tag{display:inline-flex;align-items:center;border:1px solid #D4DEE8;border-radius:999px;background:#fff;padding:7px 10px;font-size:10px;font-weight:850;letter-spacing:.1em;color:var(--navy);text-transform:uppercase}
.tag.orange{border-color:#F2C36A;background:#FFF8E8}
.muted{color:var(--muted)}
.note{border-left:4px solid var(--orange);padding:16px 18px;background:#FFF8E8;border-radius:0 12px 12px 0;color:#5d6470}

/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,228,235,.9)}
.nav-wrap{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center}
.brand{direction:ltr;display:block}.brand img{width:235px;height:auto}
.main-nav{display:flex;justify-content:center;gap:4px;align-items:center}
.main-nav a{padding:11px 10px;border-radius:8px;color:#526477;font-size:13px;font-weight:750;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--navy);background:var(--soft)}
.nav-actions{display:flex;align-items:center;gap:9px;direction:ltr}
.lang-picker{position:relative}.lang-picker summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:12px;font-weight:800;color:var(--navy);background:#fff}.lang-picker summary::-webkit-details-marker{display:none}
.lang-menu{position:absolute;right:0;top:45px;min-width:150px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:7px;display:grid;gap:2px}
.lang-menu a{padding:8px 10px;border-radius:7px;font-size:12px;color:#526477}.lang-menu a:hover,.lang-menu a.current{background:var(--soft);color:var(--navy);font-weight:800}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:9px;font-size:20px;cursor:pointer}

/* Hero */
.hero{padding:74px 0 78px;background:linear-gradient(135deg,#fff 0%,#f7f9fb 52%,#eef3f7 100%);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;border:80px solid rgba(11,58,120,.035);right:-190px;top:-200px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center;position:relative;z-index:1}
.hero-copy .lead{margin-top:22px;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 22px}
.hero-principle{margin:20px 0 0;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;color:#4d5d6e;font-size:14px;box-shadow:0 8px 26px rgba(7,31,63,.04)}
.hero-principle strong{color:var(--navy)}
.trust-strip{display:flex;gap:20px;flex-wrap:wrap;color:#66778a;font-size:12px;font-weight:700}.trust-strip span{display:inline-flex;align-items:center;gap:7px}.trust-strip span::before{content:"✓";color:var(--success);font-weight:900}
.blueprint{background:var(--navy-2);border-radius:26px;padding:28px;box-shadow:var(--shadow-lg);min-height:500px;color:white;position:relative;overflow:hidden}
.blueprint::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:30px 30px;pointer-events:none}
.blueprint-head,.blueprint-foot,.flow-list,.flow-title{position:relative;z-index:1}.blueprint-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.blueprint-head img{width:54px;height:54px;object-fit:contain;background:#fff;border-radius:12px;padding:7px}.spec-code{font:700 11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;color:rgba(255,255,255,.58);text-align:right}
.flow-title{font-size:20px;font-weight:850;margin:18px 0 12px}.flow-list{display:grid;gap:0}.flow-item{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;border-bottom:1px solid rgba(255,255,255,.11);padding:12px 0}.flow-num{color:var(--orange);font-size:12px;font-weight:900}.flow-item strong{display:block;color:white;font-size:14px}.flow-item small{display:block;color:rgba(255,255,255,.58);font-size:11px;margin-top:2px}.flow-check{color:var(--orange);font-size:10px}.blueprint-foot{margin-top:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.blueprint-foot strong{display:block}.blueprint-foot small{display:block;color:rgba(255,255,255,.58)}

/* Cards */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 8px 28px rgba(7,31,63,.035)}.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s ease}.card h3{margin:14px 0 9px}.card p{color:var(--muted);font-size:14px;margin-bottom:0}
.icon-box{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:#EAF0F7;color:var(--navy);font-size:12px;font-weight:900}.icon-box.orange{background:#FFF2D6;color:#805100}
.tech-card{padding:0;overflow:hidden}.tech-card .visual{background:var(--soft);padding:18px}.tech-card .visual img{width:100%;height:190px;object-fit:contain}.tech-card .body{padding:24px}.tech-card ul{padding-left:18px;color:#66778a;font-size:13px;margin:14px 0 0}
.layer-card{position:relative;overflow:hidden}.layer-card::before{content:attr(data-layer);position:absolute;right:18px;top:10px;font-size:64px;font-weight:900;line-height:1;color:rgba(11,58,120,.05)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fff}.metric strong{display:block;color:var(--navy);font-size:14px}.metric span{display:block;color:var(--muted);font-size:12px;margin-top:5px}

/* Split / visual */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.visual-panel{background:var(--soft);border:1px solid var(--line);border-radius:24px;padding:24px}.visual-panel img{width:100%}.quote-panel{background:var(--navy-2);color:#fff;border-radius:24px;padding:36px}.quote-panel blockquote{font-size:24px;line-height:1.45;margin:0 0 18px;font-weight:720;letter-spacing:-.015em}.quote-panel cite{font-style:normal;color:rgba(255,255,255,.65);font-size:13px}
.founder-note{display:grid;grid-template-columns:220px 1fr;gap:34px;align-items:start}.founder-photo-wrap{margin:0}.founder-photo{width:220px;height:285px;object-fit:cover;object-position:50% 39%;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--soft)}.founder-photo-wrap figcaption{font-size:11px;color:var(--muted);margin-top:9px;line-height:1.4}.founder-copy p{color:#536477}.founder-sign{font-weight:850;color:var(--navy);margin-top:20px}.founder-sign small{display:block;font-weight:600;color:var(--muted)}

/* Lists / process */
.checklist{display:grid;gap:12px}.check{display:flex;gap:11px;align-items:flex-start;color:#5b6b7b}.check::before{content:"✓";width:24px;height:24px;flex:0 0 24px;display:grid;place-items:center;border-radius:50%;background:rgba(30,107,88,.1);color:var(--success);font-weight:900;font-size:12px}.check b{color:var(--navy)}
.process-stack{display:grid;gap:14px}.process-row{display:grid;grid-template-columns:48px 1fr;gap:14px;border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.process-row .n{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#EAF0F7;color:var(--navy);font-weight:900;font-size:12px}.process-row strong{display:block;color:var(--navy-2)}.process-row p{font-size:13px;color:var(--muted);margin:4px 0 0}.process-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.process-controls span{font-size:11px;padding:5px 8px;border-radius:999px;background:var(--soft);color:#5f7081}
.timeline{position:relative;display:grid;gap:0}.timeline::before{content:"";position:absolute;left:22px;top:26px;bottom:26px;width:2px;background:var(--line)}.timeline-item{display:grid;grid-template-columns:46px 1fr;gap:18px;position:relative;padding:0 0 26px}.timeline-dot{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900;font-size:12px;z-index:1}.timeline-copy{padding:8px 0 0}.timeline-copy h3{font-size:18px}.timeline-copy p{color:var(--muted);font-size:13px;margin-top:7px}

/* Tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.matrix{width:100%;border-collapse:collapse;min-width:700px}.matrix th,.matrix td{padding:16px 17px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:13px}.matrix th{background:#F7F9FB;color:var(--navy);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.matrix tr:last-child td{border-bottom:0}.matrix td strong{color:var(--navy-2)}
[dir="rtl"] .matrix th,[dir="rtl"] .matrix td{text-align:right}
.pill-list{display:flex;gap:9px;flex-wrap:wrap}.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;color:#586a7d;font-size:12px}

/* Page hero / knowledge */
.page-hero{padding:72px 0 58px;background:linear-gradient(135deg,#f8fafc,#eef3f7);border-bottom:1px solid var(--line)}.page-hero .lead{margin-top:17px}.breadcrumb{font-size:12px;color:#758496;margin-bottom:20px}.breadcrumb a{color:var(--navy);font-weight:800}
.knowledge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.knowledge-card{border:1px solid var(--line);border-radius:20px;padding:26px;background:#fff}.knowledge-card .kicker{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);font-weight:900}.knowledge-card h3{margin:9px 0 8px}.knowledge-card p{font-size:13px;color:var(--muted)}.knowledge-card .mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:7px 12px;margin-top:15px}.knowledge-card .mini-list span{font-size:12px;color:#5d6d7d;padding-left:14px;position:relative}.knowledge-card .mini-list span::before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%;position:absolute;left:0;top:8px}
[dir="rtl"] .knowledge-card .mini-list span{padding-left:0;padding-right:14px}[dir="rtl"] .knowledge-card .mini-list span::before{left:auto;right:0}
.guide{border-top:1px solid var(--line);padding-top:30px;margin-top:30px}.guide:first-child{border-top:0;padding-top:0;margin-top:0}.guide h3{font-size:24px;margin-bottom:12px}.guide p{color:#5c6c7b}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.guide-point{border:1px solid var(--line);border-radius:13px;padding:15px;background:#fff}.guide-point strong{display:block;color:var(--navy);font-size:13px}.guide-point span{display:block;color:var(--muted);font-size:12px;margin-top:5px}


/* V1.2.1 materials & power systems */
.material-factor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.material-visual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.material-card{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;display:grid;grid-template-columns:180px 1fr;align-items:center;min-height:170px}.material-card img{width:180px;height:100%;object-fit:cover;background:var(--soft)}.material-card>div{padding:20px}.material-card h3{font-size:18px;margin-bottom:7px}.material-card p{font-size:12px;color:var(--muted);margin:0}.technical-disclaimer{margin-top:16px;padding:14px 16px;border:1px solid #E8D7B1;border-radius:12px;background:#FFF9EC;color:#687078;font-size:12px}.power-system-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}.mini-solution{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.mini-solution strong{display:block;color:var(--navy);font-size:13px}.mini-solution span{display:block;color:var(--muted);font-size:12px;margin-top:5px}.navy .mini-solution{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}.navy .mini-solution strong{color:#fff}.navy .mini-solution span{color:rgba(255,255,255,.66)}

/* CTA / forms */
.cta{background:linear-gradient(125deg,var(--navy-2),var(--navy));color:#fff;border-radius:26px;padding:46px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden}.cta::after{content:"";position:absolute;right:-80px;top:-100px;width:280px;height:280px;border-radius:50%;border:45px solid rgba(255,255,255,.05)}.cta h2{color:#fff;margin-bottom:10px}.cta p{color:rgba(255,255,255,.76);margin:0;max-width:650px}.cta-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1;direction:ltr}
.form-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}.form-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{color:var(--navy-2);font-weight:800;font-size:13px}input,textarea,select{width:100%;border:1px solid #C9D3DD;border-radius:10px;padding:12px 13px;color:var(--ink);background:#fff;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(11,58,120,.09)}textarea{min-height:150px;resize:vertical}.form-note{background:var(--soft);border-left:4px solid var(--orange);padding:14px 16px;border-radius:0 10px 10px 0;font-size:12px;color:var(--muted)}[dir="rtl"] .form-note{border-left:0;border-right:4px solid var(--orange);border-radius:10px 0 0 10px}.contact-card{background:var(--navy-2);color:#fff;border-radius:22px;padding:28px}.contact-card h3{color:#fff}.contact-item{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}.contact-item:last-child{border-bottom:0}.contact-item small{display:block;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.contact-item a,.contact-item span{color:#fff;font-weight:750}.review-box{border:1px solid #F0D59F;background:#FFF9EC;border-radius:18px;padding:22px}.review-box h3{font-size:18px}.review-box p{font-size:13px;color:#6a6e76}

/* Footer */
.site-footer{background:#071F3F;color:#fff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:36px}.footer-logo{width:260px;height:auto;margin-bottom:17px;direction:ltr;background:#fff;padding:10px 12px;border-radius:8px;box-sizing:border-box}.footer-copy{color:rgba(255,255,255,.64);max-width:420px;font-size:13px}.footer-title{font-weight:850;margin-bottom:14px}.footer-links{display:grid;gap:8px;color:rgba(255,255,255,.68);font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.5);font-size:11px}.whatsapp-float{position:fixed;right:20px;bottom:20px;z-index:50;width:54px;height:54px;border-radius:50%;background:#1FAF5A;color:#fff;display:grid;place-items:center;box-shadow:0 15px 35px rgba(0,0,0,.22);font-size:18px;font-weight:900;direction:ltr}

/* RTL */
[dir="rtl"] body{font-family:Arial,"Noto Sans Arabic",sans-serif}
[dir="rtl"] .eyebrow::before{order:2}
[dir="rtl"] .nav-actions{direction:ltr}
[dir="rtl"] .brand{direction:ltr}
[dir="rtl"] .spec-code{text-align:left}
[dir="rtl"] .timeline::before{left:auto;right:22px}
[dir="rtl"] .check{direction:rtl}
[dir="rtl"] .footer-logo{margin-left:auto}
[dir="rtl"] .whatsapp-float{right:auto;left:20px}

@media(max-width:1080px){
  .nav-wrap{grid-template-columns:auto 1fr auto}.main-nav{position:fixed;left:20px;right:20px;top:92px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:16px;display:none;flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:12px 10px}.menu-btn{display:block}.nav-actions>.btn{display:none}.hero-grid,.split,.form-wrap{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.metric-grid{grid-template-columns:repeat(2,1fr)}.material-factor-grid{grid-template-columns:repeat(2,1fr)}.material-card{grid-template-columns:150px 1fr}.material-card img{width:150px}.power-system-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .container{width:min(100% - 28px,var(--container))}.section{padding:66px 0}.section.compact{padding:50px 0}.nav-wrap{min-height:72px;gap:10px}.brand img{width:190px}.hero{padding:48px 0 54px}.hero-grid{gap:34px}.blueprint{padding:20px;min-height:auto}.grid-2,.grid-3,.grid-4,.knowledge-grid,.guide-grid,.form-grid,.metric-grid{grid-template-columns:1fr}.founder-note{grid-template-columns:1fr}.founder-photo{width:170px;height:220px}.founder-photo-wrap{width:170px}.cta{padding:30px 24px;flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.page-hero{padding:52px 0 44px}.flow-item{grid-template-columns:36px 1fr}.flow-check{display:none}.tech-card .visual img{height:160px}.knowledge-card .mini-list{grid-template-columns:1fr}.main-nav{top:82px}.lang-picker summary{padding:8px 9px}.nav-actions{gap:6px}.footer-logo{width:230px}.material-factor-grid,.material-visual-grid,.power-system-grid{grid-template-columns:1fr}.material-card{grid-template-columns:1fr}.material-card img{width:100%;height:180px;object-fit:cover}.founder-photo{width:170px;height:220px}
}