/* =====================================================
   FahadApp — Shared Design System
   هوية بصرية موحّدة لجميع صفحات fahadapp.com
   بنفسجي + ذهبي + خلفية بيضاء نظيفة
   ===================================================== */

/* ===== Design Tokens ===== */
:root {
  --c-primary: #6D28D9;
  --c-primary-dark: #4C1D95;
  --c-primary-darker: #3B0764;
  --c-primary-light: #A78BFA;
  --c-primary-tint: #F5F3FF;
  --c-accent: #F59E0B;
  --c-accent-dark: #D97706;
  --c-accent-tint: #FEF3C7;

  --c-text: #111827;
  --c-text-muted: #4B5563;
  --c-text-soft: #6B7280;
  --c-border: #E5E7EB;
  --c-border-soft: #F3F4F6;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F9FAFB;
  --c-bg-section: #FAFAFB;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(17,24,39,.04), 0 1px 3px rgba(17,24,39,.06);
  --shadow: 0 4px 6px -1px rgba(17,24,39,.06), 0 2px 4px -2px rgba(17,24,39,.04);
  --shadow-lg: 0 10px 30px -8px rgba(76,29,149,.18), 0 6px 12px -4px rgba(17,24,39,.06);
  --shadow-purple: 0 12px 28px -10px rgba(109,40,217,.35);

  --container: 1200px;
  --header-h: 72px;

  --ff-base: 'Cairo', 'IBM Plex Sans Arabic', 'Tajawal', system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--ff-base);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { color: var(--c-primary-dark); margin: 0 0 .5em; line-height: 1.3; }
p { margin: 0 0 1em; color: var(--c-text-muted); }
a { color: var(--c-primary); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Navbar ===== */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  height: var(--header-h);
  display: flex; align-items: center;
}
.nav-container {
  width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--c-primary-dark); font-weight: 800; font-size: 1.05rem;
  text-decoration: none;
}
.nav-brand .brand-icon {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white; font-size: 1rem;
  flex-shrink: 0;
}
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: var(--c-text-muted); font-weight: 600; font-size: 0.88rem;
  padding: 7px 11px; border-radius: var(--radius-sm);
  transition: all .2s var(--ease);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: var(--c-primary-tint);
  color: var(--c-primary-dark);
}
.nav-btn {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white !important;
  box-shadow: var(--shadow-purple);
  margin-right: 6px;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-btn:hover {
  background: var(--c-primary-darker) !important;
  color: white !important;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--c-primary-tint);
  color: var(--c-primary-dark);
  font-size: 1.2rem;
  cursor: pointer; border: none;
  flex-shrink: 0;
}

/* ===== Hero (صفحات فرعية) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--c-primary-darker) 0%, var(--c-primary-dark) 55%, var(--c-primary) 100%);
  color: white;
  padding: 56px 0 52px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0; opacity: .3; pointer-events: none;
  background:
    radial-gradient(circle at 10% 30%, rgba(245,158,11,.2) 0, transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(167,139,250,.25) 0, transparent 40%);
}
.page-hero .container { position: relative; }
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.88rem; color: rgba(255,255,255,.7);
  margin-bottom: 16px; flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb .sep { opacity: .5; }
.page-hero-title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 900; color: white; margin: 0 0 12px;
  line-height: 1.2;
}
.page-hero-title span {
  background: linear-gradient(135deg, var(--c-accent), #FCD34D);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,.9);
  max-width: 760px; line-height: 1.8; margin: 0;
}

/* ===== Sections ===== */
.section { padding: 64px 0; }
.section.soft-bg { background: var(--c-bg-section); }
.section-header { text-align: center; margin-bottom: 44px; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800; color: var(--c-primary-dark);
  margin: 0 0 12px;
  position: relative; display: inline-block; padding-bottom: 12px;
}
.section-title::after {
  content: "";
  position: absolute; bottom: 0; right: 50%;
  transform: translateX(50%);
  width: 56px; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}
.section-sub {
  max-width: 680px; margin: 0 auto;
  color: var(--c-text-muted); font-size: 1.02rem; line-height: 1.8;
}

/* ===== Card Grid ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  background: white;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: all .3s var(--ease);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  color: inherit;
  display: block;
}
.card::before {
  content: "";
  position: absolute; top: 0; right: 0; left: 0; height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transform: scaleX(0); transform-origin: right;
  transition: transform .3s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary-light);
}
.card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 54px; height: 54px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--c-primary-tint), white);
  color: var(--c-primary-dark); font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  border: 1px solid var(--c-border-soft);
  flex-shrink: 0;
}
.card h3 {
  font-size: 1.1rem; font-weight: 700;
  color: var(--c-primary-dark); margin: 0 0 8px;
}
.card p { color: var(--c-text-muted); font-size: 0.93rem; margin: 0 0 12px; }

/* ===== Tags / Badges ===== */
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 0.73rem; font-weight: 700; line-height: 1.6;
}
.tag-hot { background: var(--c-accent-tint); color: var(--c-accent-dark); }
.tag-new { background: #DBEAFE; color: #1E40AF; }
.tag-edu { background: #D1FAE5; color: #065F46; }
.tag-tool { background: var(--c-primary-tint); color: var(--c-primary-dark); }

/* ===== Card CTA Button ===== */
.card-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  background: var(--c-primary-tint); color: var(--c-primary-dark);
  font-weight: 700; font-size: 0.9rem;
  transition: all .25s var(--ease);
  border: none; cursor: pointer;
  text-decoration: none;
}
.card-btn .arrow { transition: transform .25s var(--ease); }
.card:hover .card-btn { background: var(--c-primary); color: white; }
.card:hover .card-btn .arrow { transform: translateX(-4px); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.96rem;
  transition: all .25s var(--ease);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--c-accent); color: #111827;
  box-shadow: 0 8px 20px -6px rgba(245,158,11,.5);
}
.btn-primary:hover { background: var(--c-accent-dark); color: white; transform: translateY(-2px); }
.btn-purple {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white; box-shadow: var(--shadow-purple);
}
.btn-purple:hover { background: var(--c-primary-darker); color: white; transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--c-primary-dark);
  border-color: var(--c-primary-light);
}
.btn-outline:hover { background: var(--c-primary-tint); transform: translateY(-1px); }

/* ===== Content / Article ===== */
.content-area {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0 60px;
}
.content-area h2 {
  font-size: 1.3rem; font-weight: 800;
  color: var(--c-primary-dark);
  margin: 28px 0 10px;
  padding-right: 14px;
  border-right: 4px solid var(--c-primary);
}
.content-area h3 {
  font-size: 1.1rem; font-weight: 700;
  color: var(--c-primary-dark);
  margin: 22px 0 8px;
}
.content-area p { color: var(--c-text-muted); margin-bottom: 14px; line-height: 1.8; }
.content-area ul {
  list-style: none; padding: 0; margin: 0 0 16px;
}
.content-area ul li {
  padding: 6px 0 6px 0;
  padding-right: 22px;
  position: relative;
  color: var(--c-text-muted);
}
.content-area ul li::before {
  content: "●";
  position: absolute; right: 0;
  color: var(--c-primary-light);
  font-size: 0.6rem;
  top: 12px;
}
.content-area a { color: var(--c-primary); text-decoration: underline; }
.content-area a:hover { color: var(--c-primary-dark); }

.sep-line {
  border: none; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border), transparent);
  margin: 32px 0;
}

/* ===== Highlight Box ===== */
.highlight-box {
  background: var(--c-primary-tint);
  border: 1px solid var(--c-primary-light);
  border-right: 4px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 20px 0;
}
.highlight-box p { margin: 0; color: var(--c-primary-dark); font-weight: 600; }

/* ===== Sitemap ===== */
.sitemap-section { margin-bottom: 40px; }
.sitemap-section h2 {
  font-size: 1.15rem; font-weight: 800;
  color: var(--c-primary-dark);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.sitemap-section h2 i { color: var(--c-primary-light); }
.sitemap-links {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.sitemap-link {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: white; border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: all .2s var(--ease);
  color: var(--c-text-muted); font-size: 0.93rem; font-weight: 600;
}
.sitemap-link i { color: var(--c-primary-light); flex-shrink: 0; }
.sitemap-link:hover {
  background: var(--c-primary-tint); border-color: var(--c-primary-light);
  color: var(--c-primary-dark); transform: translateX(-3px);
}

/* ===== Contact Form ===== */
.contact-card {
  background: white; border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  max-width: 680px; margin: 0 auto;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-weight: 700; font-size: 0.9rem;
  color: var(--c-text-muted); margin-bottom: 7px;
}
.form-group input,
.form-group textarea {
  width: 100%; padding: 12px 14px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--ff-base); font-size: 1rem; color: var(--c-text);
  transition: border-color .2s var(--ease), box-shadow .2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-tint);
}

/* ===== Social Cards ===== */
.social-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px; max-width: 620px; margin: 0 auto;
}
.social-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 22px 14px; border-radius: var(--radius);
  background: white; border: 1px solid var(--c-border);
  transition: all .3s var(--ease); text-align: center;
  text-decoration: none;
}
.social-card i { font-size: 2rem; }
.social-card .label { font-weight: 700; color: var(--c-text); font-size: 0.9rem; }
.social-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: currentColor; }
.social-twitter { color: #0EA5E9; }
.social-youtube { color: #DC2626; }
.social-tiktok { color: #111827; }
.social-linkedin { color: #0A66C2; }

/* ===== Footer ===== */
.site-footer {
  background: var(--c-primary-darker);
  color: rgba(255,255,255,.85);
  padding: 48px 0 28px;
  margin-top: 60px;
}
.footer-inner { text-align: center; }
.footer-brand {
  display: inline-flex; align-items: center; gap: 8px;
  color: white; font-weight: 800; font-size: 1.05rem;
  margin-bottom: 12px;
}
.footer-brand .brand-icon {
  width: 34px; height: 34px;
  background: rgba(255,255,255,.15);
  border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
}
.footer-desc {
  color: rgba(255,255,255,.65);
  font-size: 0.9rem; margin: 0 0 20px;
}
.footer-links {
  display: flex; gap: 6px 16px; justify-content: center; flex-wrap: wrap;
  font-size: 0.9rem; margin-bottom: 24px;
}
.footer-links a { color: rgba(255,255,255,.75); padding: 3px 0; }
.footer-links a:hover { color: var(--c-accent); }
.footer-copy {
  color: rgba(255,255,255,.45); font-size: 0.85rem; margin: 0;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
}

/* ===== Back to top / Share float ===== */
.share-float {
  position: fixed; bottom: 20px; left: 20px;
  width: 50px; height: 50px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: white; box-shadow: var(--shadow-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; cursor: pointer;
  z-index: 999; transition: all .3s var(--ease);
  border: 2px solid white;
}
.share-float:hover { transform: translateY(-3px) rotate(8deg); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-menu { gap: 2px; }
  .nav-link { font-size: 0.82rem; padding: 6px 8px; }
}
@media (max-width: 720px) {
  .nav-menu {
    display: none;
    position: absolute; top: var(--header-h); right: 0; left: 0;
    background: white; border-bottom: 1px solid var(--c-border);
    padding: 16px 20px; gap: 4px;
    flex-direction: column; align-items: stretch;
    box-shadow: var(--shadow-lg); z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-menu .nav-link { padding: 11px 14px; }
  .nav-menu .nav-btn { text-align: center; justify-content: center; margin-top: 8px; }
  .nav-toggle { display: flex; }
  .page-hero { padding: 44px 0 40px; }
  .section { padding: 46px 0; }
  .container { padding: 0 18px; }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .nav-brand span { display: none; }
  .page-hero-title { font-size: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}