/* ==========================================================================
   1. المتغيرات العامة وأنظمة الألوان العصرية (Design System)
   ========================================================================== */
:root {
  --primary: #1e3a8a;          /* الأزرق الملكي الأساسي (Royal Blue) */
  --primary-light: #3b82f6;    /* درجة أزرق أفتح للتفاعلات */
  --accent: #0284c7;           /* لون تكميلي عصري */
  
  --bg-color: #f8fafc;         /* خلفية عامة فاتحة ومريحة للعين */
  --card-bg: #ffffff;          /* خلفية البطاقات بيضاء ناصعة */
  --text-main: #0f172a;        /* النصوص الرئيسية داكنة وواضحة */
  --text-muted: #64748b;       /* النصوص الفرعية (رمادي هادئ) */
  --border-color: #e2e8f0;     /* حدود ناعمة ونظيفة */
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* إعدادات الوضع الليلي (Dark Mode) */
[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-light: #60a5fa;
  --accent: #38bdf8;
  
  --bg-color: #0b0f19;
  --card-bg: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
}

/* ==========================================================================
   2. التهيئة العامة والإعادة (CSS Reset)
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: var(--transition);
}

body {
  font-family: 'Cairo', 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.7;
  text-align: start;
}

.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

/* ==========================================================================
   3. شريط التنقل العلوي (Sticky Navbar)
   ========================================================================== */
.header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 14px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-subtitle {
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 8px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background-color: rgba(30, 58, 138, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch-btn {
  background-color: var(--bg-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  text-decoration: none;
}

.lang-switch-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.theme-toggle-btn {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

/* ==========================================================================
   4. الأزرار والبطاقات العامة
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   5. شريط شركاء النجاح المتحرك (Marquee Section Styles)
   ========================================================================== */
.marquee-section {
  overflow: hidden;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 30px 0;
}

.logo-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}

.marquee-track {
  display: flex;
  gap: 25px;
  width: max-content;
  animation: scrollMarquee 5s linear infinite; /* سرعة فائقة وسلسة */
}

.logo-marquee:hover .marquee-track {
  animation-play-state: paused;
}

.client-logo-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: 10px;
  min-width: 260px;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  text-align: right;
}

.client-icon {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--card-bg);
  padding: 2px;
  border: 1px solid var(--border-color);
}

.client-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.client-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-main);
}

.client-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(50%); }
}

/* ==========================================================================
   6. تذييل الصفحة الشامل (Footer Design System)
   ========================================================================== */
.footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 50px 0 20px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.footer-link:hover {
  color: var(--primary);
}