/* ===== BASE & RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 0;
}
/* Show the active language before site.js runs. Inline styles from applyLang still win after load. */
.i18n-block-ar { display: none; }
html[dir="rtl"] .i18n-block-en { display: none; }
html[dir="rtl"] .i18n-block-ar { display: revert; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* Screen-reader / data-only nodes — never use left:-9999px (breaks RTL mobile width) */
.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  inset-inline-start: 0 !important;
  inset-block-start: 0 !important;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }

main {
  padding-top: 0;
  box-sizing: border-box;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--container-padding-x);
  box-sizing: border-box;
}
.section { padding: 80px 0; }
.section-title {
  font-size: 2rem; font-weight: 800; text-align: center; margin-bottom: 8px;
  background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 48px; font-size: 1.05rem; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
  border-radius: var(--radius-full); font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--accent-gradient); color: #fff;
  box-shadow: 0 4px 15px rgba(0,180,216,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,180,216,0.4); }
.btn-outline {
  border: 2px solid var(--accent); color: var(--accent); background: transparent;
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; border-radius: var(--radius-full);
  background: var(--danger); color: #fff; font-size: 0.7rem; font-weight: 700;
  padding: 0 6px; position: absolute; top: -6px; right: -6px;
}
[dir="rtl"] .badge { right: auto; left: -6px; }

/* ===== HEADER ===== */
.header {
  position: relative;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: auto;
  box-sizing: border-box;
  transition: all var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: 6px 12px 6px 0;
  margin-right: 4px;
  text-decoration: none;
}
[dir="rtl"] .logo {
  padding: 6px 0 6px 12px;
  margin-right: 0;
  margin-left: 4px;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: min(var(--logo-max-h), calc(var(--header-h) - 12px));
  max-height: var(--logo-max-h);
  min-height: 48px;
  padding: 0 4px;
  background: transparent;
  border-radius: var(--radius-md);
  overflow: visible;
}
.logo-icon .brand-logo {
  display: block;
  height: 100%;
  width: auto;
  max-width: min(var(--logo-max-w), 52vw);
  object-fit: contain;
  object-position: center;
}
.logo-icon .logo-fallback {
  display: none;
}
.logo-icon.use-fallback {
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  overflow: hidden;
}
.logo-icon.use-fallback .brand-logo {
  display: none;
}
.logo-icon.use-fallback .logo-fallback {
  display: block;
}
.logo-text { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); }
.logo-text span { color: var(--accent); }

/* Nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 16px; border-radius: var(--radius-full); font-weight: 500; font-size: 0.9rem;
  color: var(--text-secondary); transition: all var(--transition);
}
.nav a:hover, .nav a.active { color: var(--accent); background: var(--accent-light); }
.nav .nav-maintenance-link {
  cursor: pointer;
}

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 4px; }
.header-btn {
  position: relative; width: 44px; height: 44px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1.15rem; transition: all var(--transition);
}
.header-btn:hover { color: var(--accent); background: var(--accent-light); }
.theme-toggle { cursor: pointer; }
.lang-toggle {
  font-size: 0.8rem; font-weight: 700; width: auto; padding: 0 12px;
  border: 2px solid var(--border); color: var(--text-primary);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  align-items: center; justify-content: center; cursor: pointer;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text-primary);
  border-radius: 2px; transition: all var(--transition);
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Nav — off-canvas without expanding document scrollWidth (critical for RTL) */
.mobile-nav {
  display: none; position: fixed; top: 0; inset-inline-start: 0; inset-inline-end: 0; bottom: 0;
  background: var(--bg-secondary); z-index: 999; padding: 24px;
  flex-direction: column; gap: 8px; overflow-y: auto;
  transform: translateX(100%); transition: transform var(--transition), visibility var(--transition);
  visibility: hidden; pointer-events: none;
}
[dir="rtl"] .mobile-nav { transform: translateX(-100%); }
.mobile-nav.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}
.mobile-nav a,
.mobile-nav-theme {
  display: flex; align-items: center; gap: 12px; padding: 14px 20px;
  border-radius: var(--radius-md); font-size: 1rem; font-weight: 500;
  color: var(--text-primary); transition: all var(--transition);
  width: 100%; border: none; background: transparent; text-align: start;
  font-family: inherit; cursor: pointer;
}
.mobile-nav a:hover,
.mobile-nav a.active,
.mobile-nav-theme:hover { background: var(--accent-light); color: var(--accent); }
.mobile-nav a.nav-maintenance-link {
  cursor: pointer;
}
.mobile-nav-theme i {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

/* Search Overlay */
.search-overlay {
  position: fixed; inset: 0; z-index: 2000; background: var(--bg-overlay);
  display: flex; align-items: flex-start; justify-content: center; padding-top: 120px;
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.search-overlay.open { opacity: 1; pointer-events: all; }
.search-box {
  width: 90%; max-width: 640px; background: var(--bg-secondary);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-xl);
  border: 1px solid var(--border); overflow: hidden;
  transform: translateY(-20px); transition: transform var(--transition);
}
.search-overlay.open .search-box { transform: translateY(0); }
.search-input-wrap { display: flex; align-items: center; padding: 16px 20px; gap: 12px; }
.search-input-wrap i { color: var(--accent); font-size: 1.2rem; }
.search-input-wrap input {
  flex: 1; border: none; outline: none; background: transparent;
  font-size: 1.1rem; color: var(--text-primary);
}
.search-input-wrap input::placeholder { color: var(--text-tertiary); }
.search-close { color: var(--text-tertiary); font-size: 1rem; cursor: pointer; padding: 4px; }
.search-close:hover { color: var(--text-primary); }
.search-suggestions { border-top: 1px solid var(--border); padding: 12px; }
.search-suggestions a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.9rem;
}
.search-suggestions a:hover { background: var(--accent-light); color: var(--accent); }
.search-suggestions a i { width: 20px; text-align: center; }