/* ============================================================
   شركة المجد للإلكترونيات — نظام تصميم موحّد
   مبني على مبادئ Apple لحركة سلسة وواقعية، مُهيّأ للعربي RTL.
   ملاحظة عن التتبع الحرفي (tracking): الخط العربي متصل السياق،
   لذلك لا نطبّق letter-spacing سالب على العناوين العربية كما يُفعل
   بالخطوط اللاتينية — فقط على الأرقام/النصوص اللاتينية الصغيرة.
============================================================ */

:root{
  --brand:#00BFFF;
  --brand-dark:#0077b6;
  --brand-light:#eef8ff;
  --ink:#20232a;
  --muted:#6b7280;
  --bg:#f7fbff;
  --card:#ffffff;
  --shadow-sm:0 4px 14px rgba(15,23,42,.06);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,.14);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;

  /* منحنيات حركة بديلة عن الزنبرك: damping≈1.0 (بدون ارتداد) لكل تفاعل
     بالنقر — نستخدمها بدل CSS ease الافتراضي لأنها تحاكي استقرار الزنبرك
     الحرج (critically damped) الذي توصي به Apple للواجهات غير السحبية. */
  --ease-settle: cubic-bezier(.22,1,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur-fast: .18s;
  --dur: .32s;
  --dur-slow: .45s;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:'Cairo', Tahoma, Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.85;
  letter-spacing:0; /* لا تتبع سالب على العربي — يكسر اتصال الحروف */
}
img{max-width:100%}
a{color:inherit}

/* ---------- Typography scale ----------
   تدرّج الحجم يقابله تدرّج leading عكسي: عناوين كبيرة = سطور أضيق،
   نص أساسي = سطور أوسع للراحة القرائية. */
h1,h2,h3{margin:0 0 .5em; font-weight:800}
h1{font-size:clamp(1.7rem,3.2vw,2.3rem); line-height:1.25}
h2{font-size:clamp(1.25rem,2.2vw,1.6rem); line-height:1.35}
h3{font-size:1.05rem; line-height:1.5}
p{line-height:1.9}
.eyebrow, .kicker, .chip, .badge, .tag{
  font-size:.9rem; letter-spacing:.01em; /* تتبّع موجب طفيف للنص الصغير فقط */
}

/* ---------- Topbar ---------- */
.topbar{background:var(--brand-dark); color:#fff; font-size:.88rem; font-weight:700; padding:7px 18px}
.topbar-wrap{max-width:1200px; margin:auto; display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:8px}
.topbar a{color:#cceeff; text-decoration:none; transition:color var(--dur-fast) var(--ease-settle)}
.topbar a:hover{color:#fff}
.topbar-items{display:flex; flex-wrap:wrap; gap:18px; align-items:center}

/* ---------- Header: translucent material ---------- */
header.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  transition:box-shadow var(--dur) var(--ease-settle);
}
/* حافة تلاشي بدل خط فاصل صلب — "scroll edge effect" */
header.site-header::after{
  content:''; position:absolute; inset:auto 0 -10px 0; height:10px; pointer-events:none;
  background:linear-gradient(180deg, rgba(15,23,42,.06), transparent);
}
.nav-row{max-width:1200px; margin:auto; display:flex; align-items:center; justify-content:space-between; padding:10px 18px; gap:14px}
.brand{display:flex; align-items:center; gap:12px; font-weight:800; text-decoration:none; color:var(--ink)}
.brand img{width:52px; height:52px; border-radius:10px; object-fit:cover; box-shadow:var(--shadow-sm)}
.brand span{font-size:1.02rem}
.primary-nav{display:flex; align-items:center}
.primary-nav a{
  color:var(--ink); text-decoration:none; margin:0 10px; font-weight:700; position:relative; padding:6px 2px;
}
.primary-nav a::after{
  content:''; position:absolute; inset:auto 0 -4px 0; margin:auto; height:2px; width:0;
  background:var(--brand); transition:width var(--dur) var(--ease-settle);
}
.primary-nav a:hover::after, .primary-nav a.active::after{width:100%}
.header-actions{display:flex; align-items:center; gap:10px}
.lang-btn{
  background:var(--brand); color:#fff; border:none; padding:8px 14px; border-radius:10px; cursor:pointer;
  font-weight:800; box-shadow:0 6px 16px rgba(0,191,255,.28);
  transition:transform var(--dur-fast) var(--ease-settle), background var(--dur-fast) var(--ease-settle);
}
.lang-btn:hover{transform:translateY(-2px); background:var(--brand-dark)}
.lang-btn:active{transform:scale(.96)}

/* ---------- Mobile nav (hamburger + slide-in panel) ---------- */
.menu-btn{
  display:none; align-items:center; justify-content:center; width:42px; height:42px;
  border:none; background:transparent; border-radius:10px; cursor:pointer;
  transition:background var(--dur-fast) var(--ease-settle), transform var(--dur-fast) var(--ease-settle);
}
.menu-btn:active{transform:scale(.92)}
.menu-btn span, .menu-btn span::before, .menu-btn span::after{
  content:''; display:block; width:22px; height:2px; background:var(--ink); border-radius:2px;
  transition:transform var(--dur) var(--ease-settle), opacity var(--dur-fast) var(--ease-settle);
}
.menu-btn span{position:relative}
.menu-btn span::before{position:absolute; top:-7px}
.menu-btn span::after{position:absolute; top:7px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}

.nav-scrim{
  position:fixed; inset:0; background:rgba(10,20,30,.35); backdrop-filter:blur(2px);
  opacity:0; pointer-events:none; transition:opacity var(--dur) var(--ease-settle); z-index:70;
}
.nav-scrim.open{opacity:1; pointer-events:auto}

.mobile-panel{
  position:fixed; top:0; bottom:0; right:0; width:min(78vw,320px); z-index:80;
  background:rgba(255,255,255,.92); backdrop-filter:saturate(180%) blur(20px);
  box-shadow:-16px 0 40px rgba(15,23,42,.18);
  transform:translateX(100%); /* RTL: الزر بأعلى-يمين، فتظهر اللوحة من اليمين لنفس الجهة */
  transition:transform var(--dur-slow) var(--ease-settle);
  display:flex; flex-direction:column; padding:18px;
}
.mobile-panel.open{transform:translateX(0)}
.mobile-panel a{
  display:block; padding:14px 10px; color:var(--ink); text-decoration:none; font-weight:800;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.mobile-panel .lang-btn{margin-top:14px; text-align:center}

@media (max-width:860px){
  .primary-nav{display:none}
  .menu-btn{display:inline-flex}
}

/* ---------- Buttons ---------- */
.btn{
  border:none; padding:12px 18px; border-radius:12px; font-weight:800; cursor:pointer;
  text-decoration:none; display:inline-block; box-shadow:var(--shadow-sm);
  transition:transform var(--dur-fast) var(--ease-settle), background var(--dur-fast) var(--ease-settle), box-shadow var(--dur-fast) var(--ease-settle);
}
.btn:active{transform:scale(.96)} /* استجابة فورية عند الضغط، لا تنتظر الإفلات */
.btn-primary, .btn.primary{background:var(--brand); color:#fff}
.btn-primary:hover, .btn.primary:hover{background:var(--brand-dark); transform:translateY(-2px)}
.btn-ghost, .btn.ghost{background:#fff; color:var(--brand-dark); border:1px solid rgba(0,191,255,.25)}
.btn-ghost:hover, .btn.ghost:hover{transform:translateY(-2px)}

/* ---------- Cards ---------- */
.card{background:var(--card); border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); transition:transform var(--dur) var(--ease-settle), box-shadow var(--dur) var(--ease-settle)}
.card h2{color:var(--brand-dark)}
.hover-lift:hover{transform:translateY(-6px); box-shadow:var(--shadow-lg)}

.chip{display:inline-block; padding:7px 12px; border-radius:999px; font-weight:800; text-decoration:none}
.chip.primary{background:var(--brand); color:#fff}
.chip.ghost{background:var(--brand-light); color:var(--brand-dark); border:1px solid rgba(0,191,255,.25)}
.chip:hover{transform:translateY(-2px)}
.chip{transition:transform var(--dur-fast) var(--ease-settle)}

.badge{
  display:inline-flex; align-items:center; gap:8px; background:#fff; color:var(--brand-dark);
  border:1px solid rgba(0,191,255,.2); padding:8px 12px; border-radius:999px; font-weight:800; box-shadow:var(--shadow-sm);
}

/* ---------- FAQ accordion (damping=1.0, no overshoot on click-triggered UI) ---------- */
.faq-item{background:#fff; border-radius:14px; margin-bottom:10px; box-shadow:var(--shadow-sm); overflow:hidden}
.faq-q{
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:16px 20px; cursor:pointer; font-weight:800; color:var(--ink);
  border:none; background:none; width:100%; text-align:right; font-family:inherit; font-size:1rem;
}
.faq-q:active{transform:scale(.995)}
.faq-q .arrow{font-size:1.1rem; color:var(--brand); transition:transform var(--dur) var(--ease-settle)}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a-wrap{display:grid; grid-template-rows:0fr; transition:grid-template-rows var(--dur-slow) var(--ease-settle)}
.faq-item.open .faq-a-wrap{grid-template-rows:1fr}
.faq-a{overflow:hidden; color:#374151; line-height:1.9}
.faq-a p{padding:0 20px 16px; margin:0}

/* ---------- CTA band ---------- */
.cta-band{max-width:1100px; margin:16px auto 60px; padding:0 18px}
.cta-block{
  background:linear-gradient(120deg, var(--brand-dark), var(--brand));
  color:#fff; border-radius:var(--radius-lg); padding:24px; display:flex; align-items:center;
  justify-content:space-between; gap:14px; flex-wrap:wrap; box-shadow:0 16px 40px rgba(0,191,255,.25);
}
.cta-block h3{margin:0; color:#fff}
.cta-actions{display:flex; gap:10px; flex-wrap:wrap}
.cta-actions a{color:var(--brand-dark); background:#fff; text-decoration:none; padding:10px 14px; border-radius:10px; font-weight:800; transition:transform var(--dur-fast) var(--ease-settle)}
.cta-actions a:hover{transform:translateY(-2px)}

/* ---------- Footer ---------- */
footer.site-footer{background:#0e141b; color:#cbd5e1; padding:28px 18px; text-align:center}
footer.site-footer a{color:#63d2ff; text-decoration:none}
footer.site-footer .socials{margin:10px 0}

/* ---------- Form elements (contact page) ---------- */
form label{display:block; margin:10px 0 4px; font-weight:700}
form input, form textarea{
  width:100%; padding:10px; border-radius:10px; border:1px solid #d1eaff; background:#f4fbff;
  font-family:inherit; font-size:1rem; transition:border-color var(--dur-fast) var(--ease-settle), box-shadow var(--dur-fast) var(--ease-settle);
}
form input:focus, form textarea:focus{outline:none; border-color:var(--brand); box-shadow:0 0 0 3px rgba(0,191,255,.15)}
form .field-error{color:#d92d20; font-size:.85rem; margin-top:4px; display:none}
form .field-error.show{display:block}
form button[type="submit"]{
  margin-top:12px; padding:12px 18px; border:none; border-radius:12px; background:var(--brand); color:#fff;
  font-weight:800; cursor:pointer; font-family:inherit; font-size:1rem; width:100%;
  transition:background var(--dur-fast) var(--ease-settle), transform var(--dur-fast) var(--ease-settle);
}
form button[type="submit"]:hover{background:var(--brand-dark)}
form button[type="submit"]:active{transform:scale(.98)}
form button[disabled]{opacity:.6; cursor:not-allowed}
.honeypot{position:absolute; left:-9999px; opacity:0; height:0; width:0}
.form-alert{border-radius:12px; padding:14px 16px; margin-bottom:14px; font-weight:700; display:none}
.form-alert.show{display:block}
.form-alert.success{background:#ecfdf3; color:#067647; border:1px solid #abefc6}
.form-alert.error{background:#fef3f2; color:#b42318; border:1px solid #fecdca}

/* ---------- Accessibility & platform preferences ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.15s !important}
  .mobile-panel{transition:opacity .15s ease !important; transform:none !important}
  .mobile-panel:not(.open){opacity:0; pointer-events:none}
  .mobile-panel.open{opacity:1}
  .hover-lift:hover, .btn:hover, .chip:hover{transform:none}
}
@media (prefers-reduced-transparency: reduce){
  header.site-header{background:#ffffff; backdrop-filter:none}
  .mobile-panel{background:#ffffff; backdrop-filter:none}
}
@media (prefers-contrast: more){
  .card, .faq-item, .brand-card{border:1px solid var(--ink)}
  header.site-header{background:#ffffff; border-bottom:2px solid var(--ink)}
}

/* ---------- Blog article ---------- */
.article-wrap{max-width:860px; margin:40px auto; padding:0 18px 60px}
.article-header{margin-bottom:28px}
.article-meta{color:var(--muted); font-size:.93rem; font-weight:700; display:flex; flex-wrap:wrap; gap:14px; align-items:center; margin-bottom:20px}
.intro-box{background:linear-gradient(135deg,var(--brand-dark),var(--brand)); color:#fff; border-radius:var(--radius-lg); padding:22px 24px; margin-bottom:30px; box-shadow:0 16px 40px rgba(0,191,255,.22)}
.intro-box p{margin:0; font-size:1.05rem; line-height:1.85; opacity:.97}
.article-wrap h2{color:var(--brand-dark); margin:34px 0 12px; font-size:1.4rem; border-right:4px solid var(--brand); padding-right:12px}
.article-wrap h3{color:var(--brand-dark); margin:22px 0 8px; font-size:1.15rem}
.article-wrap p{margin:0 0 16px; color:#374151}
.info-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin:16px 0 24px}
.info-card{background:#fff; border-radius:14px; padding:18px; box-shadow:var(--shadow); border-top:3px solid var(--brand)}
.info-card h3{margin:0 0 8px; font-size:1.05rem; color:var(--brand-dark)}
.info-card p{margin:0; font-size:.95rem; color:#374151}
.tip-box{background:var(--brand-light); border:1px solid rgba(0,191,255,.3); border-radius:14px; padding:16px 20px; margin:20px 0}
.tip-box strong{color:var(--brand-dark); display:block; margin-bottom:6px}
.data-table{width:100%; border-collapse:collapse; margin:16px 0 24px; border-radius:12px; overflow:hidden; box-shadow:var(--shadow)}
.data-table th{background:var(--brand-dark); color:#fff; padding:12px 16px; text-align:right; font-weight:800}
.data-table td{padding:11px 16px; border-bottom:1px solid #e5f4ff; background:#fff; color:#374151}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:nth-child(even) td{background:#f5fbff}
.cta-box{background:linear-gradient(120deg,var(--brand-dark),var(--brand)); color:#fff; border-radius:var(--radius-lg); padding:24px; margin-top:34px; text-align:center; box-shadow:0 16px 40px rgba(0,191,255,.22)}
.cta-box h3{margin:0 0 10px; font-size:1.3rem; color:#fff}
.cta-box p{margin:0 0 16px; opacity:.95}
.cta-row{display:flex; justify-content:center; gap:12px; flex-wrap:wrap}
.cta-row a{background:#fff; color:var(--brand-dark); text-decoration:none; padding:11px 18px; border-radius:12px; font-weight:900; transition:transform var(--dur-fast) var(--ease-settle)}
.cta-row a:hover{transform:translateY(-2px)}
.related{margin-top:30px}
.related h2{border-right:none; padding-right:0}
.related-links{display:flex; gap:12px; flex-wrap:wrap}
.related-link{display:inline-flex; align-items:center; gap:8px; background:#fff; border:1px solid rgba(0,191,255,.25); color:var(--brand-dark); text-decoration:none; padding:10px 16px; border-radius:12px; font-weight:800; transition:transform var(--dur-fast) var(--ease-settle), background var(--dur-fast) var(--ease-settle); box-shadow:var(--shadow-sm)}
.related-link:hover{transform:translateY(-2px); background:var(--brand); color:#fff}

/* ---------- Layout helpers reused across pages ---------- */
main.page{max-width:1100px; margin:auto; padding:34px 18px 60px}
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:16px}
.section{margin-top:26px}
.section .sub{margin:0 0 14px; color:var(--muted); font-weight:700}
.breadcrumb{font-size:.9rem; color:var(--muted); margin-bottom:20px}
.breadcrumb a{color:var(--brand-dark); text-decoration:none; font-weight:700}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{margin:0 6px}