/* =========================================================
   GPE - General Power Electric
   Design system: "control panel" industrial power aesthetic
   ========================================================= */

:root{
  /* --- color tokens --- */
  --bg:        #0E1720;
  --bg-alt:    #15212C;
  --surface:   #1C2A36;
  --line:      #2A3945;
  --text:      #E9EEF1;
  --muted:     #90A0AC;

  --paper:     #F3F1EB;
  --paper-alt: #EAE6DC;
  --ink:       #16212B;
  --ink-muted: #5B6773;
  --line-light:#DCD6C8;

  --amber:      #F2A93B;
  --amber-dim:  #C9861F;
  --amber-glow: rgba(242,169,59,0.35);
  --led:        #3FDC96;
  --led-glow:   rgba(63,220,150,0.55);

  /* --- type --- */
  --f-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --f-body:    'Inter', -apple-system, sans-serif;
  --f-mono:    'JetBrains Mono', 'Courier New', monospace;
  --f-arabic-display: 'Cairo', 'Tajawal', sans-serif;
  --f-arabic-body:    'Tajawal', 'Cairo', sans-serif;

  --container: 1200px;
}

/* Arabic is the primary language: redefine the type tokens themselves so
   every existing var(--f-display)/var(--f-body)/var(--f-mono) rule in this
   file automatically renders in Arabic-friendly faces with no per-selector
   overrides needed. English mode restores the Latin faces. */
html[lang="ar"]{
  --f-display: var(--f-arabic-display);
  --f-body:    var(--f-arabic-body);
  --f-mono:    var(--f-arabic-body);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--f-display); margin:0; line-height:1.1; letter-spacing:-0.01em; }
p{ margin:0; }
.container{ max-width:var(--container); margin:0 auto; padding:0 28px; }

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* =========================================================
   Utility bits
   ========================================================= */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber-dim);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--amber-dim);
  display:inline-block;
}
.section{ padding:88px 0; }
.section--tight{ padding:56px 0; }
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head h2{ font-size:clamp(28px,4vw,40px); margin-top:14px; }
.section-head p{ color:var(--ink-muted); margin-top:14px; font-size:17px; }
.section--dark{ background:var(--bg); color:var(--text); }
.section--dark .section-head p{ color:var(--muted); }
.section--alt{ background:var(--paper-alt); }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--f-body);
  font-weight:600;
  font-size:14.5px;
  padding:14px 24px;
  border-radius:3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--amber); color:#191008; }
.btn-primary:hover{ background:#ffb84d; }
.btn-ghost{ border-color:var(--line); color:var(--text); background:transparent; }
.btn-ghost:hover{ border-color:var(--amber); color:var(--amber); }
.btn-ghost-dark{ border-color:var(--line-light); color:var(--ink); background:transparent; }
.btn-ghost-dark:hover{ border-color:var(--amber-dim); color:var(--amber-dim); }
.btn-block{ width:100%; justify-content:center; }

/* status LED */
.led{
  width:8px; height:8px; border-radius:50%;
  background:var(--led);
  box-shadow:0 0 0 3px var(--led-glow);
  animation:pulse 2.2s ease-in-out infinite;
  flex-shrink:0;
}
@keyframes pulse{
  0%,100%{ opacity:1; }
  50%{ opacity:.45; }
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(14,23,32,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--muted);
}
.topbar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px;
  gap:16px;
  flex-wrap:wrap;
}
.topbar-left{ display:flex; align-items:center; gap:18px; }
.topbar-left span{ display:flex; align-items:center; gap:8px; }
.topbar a:hover{ color:var(--amber); }
.topbar-social{ display:flex; gap:14px; }
.topbar-social a{ color:var(--muted); }
.topbar-social a:hover{ color:var(--amber); }

.navbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:38px; width:auto; }
.brand-text{ font-family:var(--f-display); color:var(--text); line-height:1.15; }
.brand-text strong{ display:block; font-size:17px; letter-spacing:0.01em; }
.brand-text small{ display:block; font-family:var(--f-mono); font-size:10.5px; letter-spacing:.08em; color:var(--muted); text-transform:uppercase; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--muted);
  position:relative; padding:4px 0;
  transition:color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background:var(--amber);
}
.nav-cta{ display:flex; align-items:center; gap:16px; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  border:1px solid var(--line);
  background:transparent;
  border-radius:3px;
  cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{
  content:""; display:block; width:18px; height:2px; background:var(--text);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle::before{ transform:translateY(-6px); }
.nav-toggle::after{ transform:translateY(4px); }
.nav-toggle span{ position:absolute; }
.nav-toggle.open::before{ transform:translateY(0) rotate(45deg); }
.nav-toggle.open::after{ transform:translateY(0) rotate(-45deg); }
.nav-toggle.open span{ opacity:0; }

@media (max-width:900px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--bg); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start;
    padding:12px 28px 24px; gap:18px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:inline-flex; position:relative; }
  .nav-cta .btn-ghost{ display:none; }
  .topbar-left span:nth-child(2){ display:none; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  background:var(--bg);
  color:var(--text);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:56px 56px;
  opacity:.35;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
}
.hero-photo{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:.22;
}
.hero-photo::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(14,23,32,.55), var(--bg) 92%);
}
.hero-inner{
  position:relative; z-index:2;
  padding:96px 0 64px;
}
.hero-tag{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--led);
  border:1px solid var(--line); background:var(--bg-alt);
  padding:7px 14px; border-radius:30px;
  margin-bottom:26px;
}
.hero h1{
  font-size:clamp(38px,6vw,66px);
  max-width:14ch;
  color:#fff;
}
.hero h1 em{ font-style:normal; color:var(--amber); }
.hero-lead{
  margin-top:22px;
  font-size:18px;
  color:var(--muted);
  max-width:52ch;
}
.hero-actions{ display:flex; gap:16px; margin-top:36px; flex-wrap:wrap; }

.hero-wave{ width:100%; height:auto; display:block; margin-top:64px; }
.hero-wave path{
  fill:none; stroke:var(--amber); stroke-width:2;
  stroke-dasharray:1400; stroke-dashoffset:1400;
  animation:draw 2.6s ease-out forwards .3s;
}
.hero-wave .wave-ghost{ stroke:var(--line); stroke-dasharray:none; stroke-dashoffset:0; animation:none; }
@keyframes draw{ to{ stroke-dashoffset:0; } }

.hero-stats{
  position:relative; z-index:2;
  border-top:1px solid var(--line);
  background:var(--bg-alt);
}
.hero-stats .container{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:0;
}
.hero-stat{
  padding:26px 20px;
  border-left:1px solid var(--line);
}
.hero-stat:first-child{ border-left:none; padding-left:0; }
.hero-stat b{
  display:block; font-family:var(--f-mono); font-size:clamp(22px,3vw,30px);
  color:var(--amber);
}
.hero-stat span{ display:block; font-size:13px; color:var(--muted); margin-top:4px; }

@media (max-width:760px){
  .hero-stats .container{ grid-template-columns:repeat(2,1fr); gap:20px 0; }
  .hero-stat{ border-left:none; padding:0; }
}

/* generic page hero (inner pages) */
.page-hero{
  position:relative; background:var(--bg); color:var(--text);
  padding:76px 0 54px; overflow:hidden; border-bottom:1px solid var(--line);
}
.page-hero .hero-photo{ opacity:.28; }
.page-hero-inner{ position:relative; z-index:2; }
.page-hero h1{ font-size:clamp(32px,5vw,50px); color:#fff; }
.page-hero p{ margin-top:16px; color:var(--muted); max-width:56ch; font-size:16.5px; }
.breadcrumb{
  font-family:var(--f-mono); font-size:12px; color:var(--muted);
  display:flex; gap:8px; margin-bottom:18px; text-transform:uppercase; letter-spacing:.06em;
}
.breadcrumb a:hover{ color:var(--amber); }

/* =========================================================
   Category / feature cards (home)
   ========================================================= */
.cat-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line-light);
  border:1px solid var(--line-light);
}
.cat-card{
  background:var(--paper);
  padding:32px 26px;
  display:flex; flex-direction:column; gap:16px;
  transition:background .2s ease;
}
.cat-card:hover{ background:#fff; }
.cat-icon{
  width:46px; height:46px;
  border:1px solid var(--line-light);
  border-radius:3px;
  display:flex; align-items:center; justify-content:center;
  color:var(--amber-dim);
}
.cat-icon svg{ width:24px; height:24px; }
.cat-card h3{ font-size:19px; }
.cat-range{
  font-family:var(--f-mono); font-size:12.5px; color:var(--ink-muted);
  border-top:1px dashed var(--line-light); padding-top:12px; margin-top:auto;
}
.cat-range b{ color:var(--amber-dim); }
.cat-card > p{ font-size:14.5px; color:var(--ink-muted); }
.cat-card .cat-link{
  font-family:var(--f-mono); font-size:12.5px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--ink); display:inline-flex; align-items:center; gap:6px;
}
.cat-card .cat-link:hover{ color:var(--amber-dim); }

@media (max-width:980px){ .cat-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cat-grid{ grid-template-columns:1fr; } }

/* =========================================================
   Range bar (spec visual) - the signature data element
   ========================================================= */
.range{
  margin-top:14px;
}
.range-labels{
  display:flex; justify-content:space-between;
  font-family:var(--f-mono); font-size:12px; color:var(--ink-muted);
  margin-bottom:6px;
}
.range-labels b{ color:var(--ink); font-weight:600; }
.range-track{
  height:6px; border-radius:3px;
  background:var(--line-light);
  position:relative; overflow:hidden;
}
.range-fill{
  position:absolute; top:0; bottom:0; left:0;
  background:linear-gradient(90deg, var(--amber-dim), var(--amber));
  border-radius:3px;
}
.section--dark .range-track{ background:var(--line); }
.section--dark .range-labels{ color:var(--muted); }
.section--dark .range-labels b{ color:var(--text); }

/* =========================================================
   Product blocks (products.html)
   ========================================================= */
.product-nav{
  position:sticky; top:73px; z-index:40;
  background:var(--paper);
  border-bottom:1px solid var(--line-light);
}
.product-nav .container{ display:flex; gap:6px; overflow-x:auto; padding-top:0; padding-bottom:0; }
.product-nav a{
  font-family:var(--f-mono); font-size:12.5px; text-transform:uppercase; letter-spacing:.05em;
  padding:16px 18px; white-space:nowrap; color:var(--ink-muted);
  border-bottom:2px solid transparent;
}
.product-nav a:hover{ color:var(--ink); }
.product-nav a.active{ color:var(--amber-dim); border-color:var(--amber); }

.product-group{ padding:80px 0; border-bottom:1px solid var(--line-light); }
.product-group:nth-child(even){ background:var(--paper-alt); }
.group-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; margin-bottom:40px; }
.group-head h2{ font-size:clamp(26px,4vw,36px); margin-top:12px; }
.group-head .eyebrow{ margin-bottom:0; }
.group-meta{ font-family:var(--f-mono); font-size:13px; color:var(--ink-muted); text-align:right; }

.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
@media (max-width:980px){ .product-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .product-grid{ grid-template-columns:1fr; } }

.product-card{
  background:#fff; border:1px solid var(--line-light);
  display:flex; flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.product-card:hover{ transform:translateY(-4px); box-shadow:0 18px 34px rgba(22,33,43,.1); }
.product-card .thumb{
  aspect-ratio:1/1; background:var(--paper-alt);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; border-bottom:1px solid var(--line-light);
}
.product-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.product-card .body{ padding:22px 22px 24px; display:flex; flex-direction:column; gap:12px; flex:1; }
.product-card h3{ font-size:17px; }
.product-card .tag{
  font-family:var(--f-mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--amber-dim); background:rgba(242,169,59,.12);
  display:inline-block; padding:4px 9px; border-radius:20px; width:max-content;
}
.product-card p.desc{ font-size:14px; color:var(--ink-muted); flex:1; }
.product-card .brands-row{
  display:flex; gap:8px; flex-wrap:wrap;
  font-family:var(--f-mono); font-size:11px; color:var(--ink-muted);
  border-top:1px dashed var(--line-light); padding-top:12px;
}
.product-card .brands-row span{
  border:1px solid var(--line-light); padding:3px 8px; border-radius:20px;
}

/* =========================================================
   Battery table
   ========================================================= */
.spec-table{ width:100%; border-collapse:collapse; font-size:14.5px; }
.spec-table th, .spec-table td{ padding:14px 16px; text-align:left; border-bottom:1px solid var(--line-light); }
.spec-table th{
  font-family:var(--f-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--ink-muted); font-weight:600;
}
.spec-table td{ font-family:var(--f-mono); font-size:13.5px; }
.spec-table td.use{ font-family:var(--f-body); font-size:14.5px; }
.spec-table tr:hover td{ background:var(--paper-alt); }
.table-wrap{ overflow-x:auto; border:1px solid var(--line-light); background:#fff; }

/* =========================================================
   Brand strip
   ========================================================= */
.brand-strip{
  display:grid; grid-template-columns:repeat(7,1fr);
  border:1px solid var(--line); border-radius:4px; overflow:hidden;
}
.brand-strip a{
  background:var(--bg-alt);
  border-left:1px solid var(--line);
  padding:22px 16px;
  display:flex; align-items:center; justify-content:center;
  height:88px;
  filter:grayscale(1) brightness(1.6) contrast(0.7);
  opacity:.72;
  transition:filter .2s ease, opacity .2s ease;
}
.brand-strip a:first-child{ border-left:none; }
.brand-strip a:hover{ filter:none; opacity:1; }
@media (max-width:900px){ .brand-strip{ grid-template-columns:repeat(4,1fr); } .brand-strip a{ border-left:none; border-top:1px solid var(--line); } }
@media (max-width:520px){ .brand-strip{ grid-template-columns:repeat(2,1fr); } }

.brand-detail{
  display:grid; grid-template-columns:220px 1fr; gap:36px;
  padding:36px 0; border-bottom:1px solid var(--line-light);
  align-items:start;
}
.brand-detail:last-child{ border-bottom:none; }
.brand-detail .logo-box{
  height:100px; border:1px solid var(--line-light); background:#fff;
  display:flex; align-items:center; justify-content:center; padding:16px;
}
.brand-detail h3{ font-size:20px; }
.brand-detail .cats{
  font-family:var(--f-mono); font-size:11.5px; text-transform:uppercase; color:var(--amber-dim);
  letter-spacing:.06em; margin-top:6px; display:block;
}
.brand-detail p{ margin-top:12px; color:var(--ink-muted); font-size:14.5px; max-width:60ch; }
@media (max-width:700px){ .brand-detail{ grid-template-columns:1fr; } .brand-detail .logo-box{ width:180px; } }

/* =========================================================
   Why-us / process
   ========================================================= */
.why-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
@media (max-width:900px){ .why-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .why-grid{ grid-template-columns:1fr; } }
.why-card{ padding-top:20px; border-top:1px solid var(--line); }
.why-card .num{ font-family:var(--f-mono); color:var(--amber); font-size:13px; }
.why-card h3{ margin-top:10px; font-size:19px; color:var(--text); }
.why-card p{ margin-top:10px; color:var(--muted); font-size:14.5px; }

/* =========================================================
   Testimonials / logos strip band
   ========================================================= */
.quote-band{
  background:var(--bg); color:var(--text);
  padding:70px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.quote-band blockquote{
  font-family:var(--f-display); font-size:clamp(22px,3.4vw,32px);
  max-width:820px; line-height:1.35;
}
.quote-band cite{ display:block; margin-top:22px; font-style:normal; font-family:var(--f-mono); font-size:13px; color:var(--muted); }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background:linear-gradient(120deg, var(--bg-alt), var(--bg));
  color:var(--text);
  padding:70px 0;
  border-top:1px solid var(--line);
}
.cta-band .container{ display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap; }
.cta-band h2{ font-size:clamp(24px,3.4vw,34px); max-width:16ch; color:#fff; }
.cta-band .actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* =========================================================
   About page
   ========================================================= */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; gap:32px; } }
.split img{ border:1px solid var(--line-light); }
.timeline{ margin-top:16px; }
.timeline-item{ display:flex; gap:20px; padding:18px 0; border-top:1px dashed var(--line-light); }
.timeline-item:first-child{ border-top:none; }
.timeline-item .yr{ font-family:var(--f-mono); color:var(--amber-dim); min-width:64px; font-size:15px; }
.timeline-item h4{ font-size:16px; }
.timeline-item p{ font-size:14px; color:var(--ink-muted); margin-top:4px; }

.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.gallery-grid img{ aspect-ratio:4/3; object-fit:cover; width:100%; }
.gallery-grid .tall{ grid-row:span 2; aspect-ratio:auto; height:100%; }
@media (max-width:760px){ .gallery-grid{ grid-template-columns:1fr 1fr; } .gallery-grid .tall{ grid-row:auto; height:auto; aspect-ratio:4/3; } }
@media (max-width:520px){ .gallery-grid{ grid-template-columns:1fr; } }

/* =========================================================
   Contact page
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:48px; align-items:start; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{
  background:var(--bg-alt); border:1px solid var(--line); color:var(--text);
  padding:34px; border-radius:4px;
}
.contact-row{ display:flex; gap:16px; padding:16px 0; border-top:1px solid var(--line); }
.contact-row:first-child{ border-top:none; }
.contact-row .ic{
  width:38px; height:38px; border:1px solid var(--line); border-radius:3px;
  display:flex; align-items:center; justify-content:center; color:var(--amber); flex-shrink:0;
}
.contact-row .ic svg{ width:18px; height:18px; }
.contact-row h4{ font-size:14px; color:var(--muted); font-weight:500; text-transform:uppercase; letter-spacing:.04em; font-family:var(--f-mono); }
.contact-row a, .contact-row span{ display:block; margin-top:4px; font-size:16px; }
.contact-row a:hover{ color:var(--amber); }

.form{ background:#fff; border:1px solid var(--line-light); padding:34px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--f-mono); font-size:12px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-muted); margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--line-light); background:var(--paper);
  padding:12px 14px; font-family:var(--f-body); font-size:14.5px; border-radius:2px; color:var(--ink);
}
.field textarea{ resize:vertical; min-height:110px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--amber-dim); background:#fff; }
.form-note{ font-size:12.5px; color:var(--ink-muted); margin-top:6px; }

.map-frame{ border:1px solid var(--line-light); height:100%; min-height:280px; }
.map-frame iframe{ width:100%; height:100%; min-height:280px; border:0; display:block; }

/* =========================================================
   FAQ
   ========================================================= */
.faq-item{ border-top:1px solid var(--line-light); padding:20px 0; }
.faq-item:last-child{ border-bottom:1px solid var(--line-light); }
.faq-item summary{ cursor:pointer; font-weight:600; font-size:16px; display:flex; justify-content:space-between; align-items:center; list-style:none; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-family:var(--f-mono); color:var(--amber-dim); font-size:20px; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ margin-top:12px; color:var(--ink-muted); font-size:14.5px; max-width:70ch; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--bg); color:var(--muted); border-top:1px solid var(--line); }
.footer-top{ padding:64px 0 44px; display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; }
@media (max-width:900px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns:1fr; } }
.footer-brand .brand{ margin-bottom:16px; }
.footer-brand p{ font-size:14px; max-width:36ch; }
.footer-social{ display:flex; gap:12px; margin-top:20px; }
.footer-social a{
  width:36px; height:36px; border:1px solid var(--line); border-radius:3px;
  display:flex; align-items:center; justify-content:center; color:var(--muted);
}
.footer-social a:hover{ color:var(--amber); border-color:var(--amber); }
.footer-col h4{ font-family:var(--f-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--text); margin-bottom:16px; }
.footer-col li{ margin-bottom:10px; font-size:14.5px; }
.footer-col a:hover{ color:var(--amber); }
.footer-bottom{
  border-top:1px solid var(--line); padding:20px 0;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family:var(--f-mono); font-size:12px;
}

/* =========================================================
   Misc animations
   ========================================================= */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:none; }

/* =========================================================
   Language switcher
   ========================================================= */
.lang-switch{
  display:flex; align-items:stretch;
  border:1px solid var(--line); border-radius:20px;
  overflow:hidden; flex-shrink:0;
}
.lang-btn{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.04em;
  padding:5px 12px; background:transparent; color:var(--muted);
  border:0; cursor:pointer; transition:background .15s ease, color .15s ease;
}
.lang-btn.active{ background:var(--amber); color:#191008; font-weight:700; }
.lang-btn:not(.active):hover{ color:var(--text); }

/* =========================================================
   RTL (Arabic) layout adaptations — Arabic is the primary language
   Fonts are handled above by redefining --f-display/--f-body/--f-mono;
   this block only fixes directional (left/right) layout details that
   CSS logical properties or auto flex-mirroring don't already cover.
   ========================================================= */
html[dir="rtl"] .spec-table th,
html[dir="rtl"] .spec-table td{ text-align:right; }
html[dir="rtl"] .group-meta{ text-align:left; }
html[dir="rtl"] .faq-item summary::after{ content:"+"; }
/* range bars always fill from the reading start-edge */
html[dir="rtl"] .range-fill{ right:0; left:auto; }
/* card/edge borders should sit on the reading start-edge, not always "left" */
html[dir="rtl"] .hero-stat{ border-left:none; border-right:1px solid var(--line); padding-left:0; padding-right:20px; }
html[dir="rtl"] .hero-stat:first-child{ border-right:none; padding-right:0; }
html[dir="rtl"] .brand-strip a{ border-left:none; border-right:1px solid var(--line); }
html[dir="rtl"] .brand-strip a:first-child{ border-right:none; }
@media (max-width:900px){
  html[dir="rtl"] .brand-strip a{ border-right:none; }
}