/* ==========================================================================
   HICHAM EDD — PORTFOLIO DESIGN SYSTEM & GLOBAL STYLES
   Ultra-High Performance CSS for Standalone Multi-Page Architecture
   ========================================================================== */

:root {
  --color-bg: #0D0D0D;
  --color-surface: #141414;
  --color-card: #1A1A1A;
  --color-border: #2A2A2A;
  --color-gold: #F5B700;
  --color-gold-hover: #E0A700;
  --color-gold-light: rgba(245, 183, 0, 0.15);
  --color-gold-glow: rgba(245, 183, 0, 0.4);
  --color-text-main: #FFFFFF;
  --color-text-muted: #9CA3AF;
  
  --font-fr: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-ar: 'Cairo', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

/* Base Body: Stays solidly dark without flickering */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--color-bg);
  font-family: var(--font-fr);
  line-height: 1.6;
  opacity: 1;
}

/* Page Transition Loading Bar (Top Gold Accent) */
#page-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #F5B700, #FFE082, #F5B700);
  box-shadow: 0 0 12px rgba(245, 183, 0, 0.7);
  z-index: 99999;
  transition: width 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  pointer-events: none;
  opacity: 0;
}

/* Header & Footer Persistence: Locked in hardware-accelerated layer so they never jitter or jump */
body > header {
  position: sticky;
  top: 0;
  z-index: 50;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Ensure article and content headers inside pages are strictly static in flow and never stick on scroll */
article header,
.article-header,
main header {
  position: static !important;
  top: auto !important;
  z-index: 1 !important;
  transform: none !important;
  -webkit-transform: none !important;
}

footer {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Main Content Smooth Transitions */
main {
  animation: mainContentFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: opacity, transform;
}

main.page-transition-out {
  opacity: 0 !important;
  transform: translateY(8px) !important;
  transition: opacity 0.18s cubic-bezier(0.16, 1, 0.3, 1), transform 0.18s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

main.page-transition-in {
  animation: mainContentFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes mainContentFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RTL / LTR Typography */
html[dir="rtl"] body {
  font-family: var(--font-ar);
}

html[dir="ltr"] body {
  font-family: var(--font-fr);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0D0D0D;
}
::-webkit-scrollbar-thumb {
  background: #262626;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Gold Gradient Utilities */
.text-gold-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, #F5B700 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gold-glow {
  box-shadow: 0 0 30px rgba(245, 183, 0, 0.2);
}

.gold-glow-hover:hover {
  box-shadow: 0 0 35px rgba(245, 183, 0, 0.35);
  border-color: var(--color-gold);
}

/* Glassmorphism Surface */
.glass-panel {
  background: rgba(20, 20, 20, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
}

/* Interactive Card Hover States */
.interactive-card {
  transition: var(--transition-smooth);
}
.interactive-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 183, 0, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* Floating Action Button (WhatsApp) */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition-smooth);
  text-decoration: none;
}
html[dir="rtl"] .whatsapp-float {
  right: auto;
  left: 24px;
  font-family: var(--font-ar);
}
.whatsapp-float:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

/* Pulse animation for CTA */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(245, 183, 0, 0.5);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(245, 183, 0, 0);
  }
}

.pulse-gold {
  animation: pulseGlow 2.5s infinite;
}

/* Language Switcher Overlay (1-Second Smooth Feedback) */
#lang-switch-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 13, 13, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
#lang-switch-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(245, 183, 0, 0.2);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Micro-reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Aspect ratio helpers */
.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

/* Slider Controls — Subtle & Discreet as requested */
.slider-arrow {
  opacity: 0.35;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.slider-arrow:hover {
  opacity: 0.95;
  background: var(--color-gold);
  color: #000;
  border-color: var(--color-gold);
}

/* Form Styles */
.custom-input {
  background: #141414;
  border: 1px solid #2A2A2A;
  color: #F3F4F6;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.9rem;
  width: 100%;
  transition: var(--transition-smooth);
}
.custom-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(245, 183, 0, 0.15);
  background: #181818;
}

/* Accordion FAQ */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}
.faq-item.active .faq-content {
  max-height: 400px;
  opacity: 1;
}
.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-gold);
}

/* ==========================================================================
   PRICING & DISCOUNT HIGHLIGHTS (RED STRIKETHROUGH & GREEN FINAL PRICE)
   ========================================================================== */
.price-old {
  color: #EF4444 !important; /* Vivid Red */
  text-decoration: line-through !important;
  text-decoration-color: #EF4444 !important;
  text-decoration-thickness: 2.5px !important;
  font-family: var(--font-mono);
  font-weight: 700 !important;
}

.price-new {
  color: #10B981 !important; /* Emerald Green */
  font-family: var(--font-mono);
  font-weight: 900 !important;
}

.badge-special-offer {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(245, 183, 0, 0.15) !important;
  color: #F5B700 !important;
  border: 1px solid rgba(245, 183, 0, 0.4) !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  padding: 3px 10px !important;
  border-radius: 9999px !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-discount {
  display: inline-flex;
  align-items: center;
  background: rgba(16, 185, 129, 0.15) !important;
  color: #10B981 !important;
  border: 1px solid rgba(16, 185, 129, 0.35) !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  padding: 3px 10px !important;
  border-radius: 9999px !important;
  font-family: var(--font-mono);
}

/* Certificate Download Button */
.btn-download-cert {
  background: linear-gradient(135deg, #F5B700 0%, #D4AF37 100%);
  color: #000000;
  font-weight: 800;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(245, 183, 0, 0.3);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-download-cert:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 30px rgba(245, 183, 0, 0.45);
  background: linear-gradient(135deg, #FFE082 0%, #F5B700 100%);
}