/* 
  ========================================
  Alhadaf Alsamy - Unified Style System
  ========================================
  Primary Font: Cairo (RTL & LTR)
  Design: Premium, Professional, Responsive
  ========================================
*/

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette */
  --color-primary-yellow: #ffd900;
  --color-secondary-orange: #f6921e;
  --color-accent-blue: #166ba2;
  --color-dark-navy: #152836;
  --color-dark-navy-rgb: 21, 40, 54;
  --color-light-bg: #f8fafc;
  --color-white: #ffffff;
  --color-text-dark: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-error: #ef4444;
  --color-success: #22c55e;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #128C7E;

  /* Typography */
  --font-main: 'Cairo', sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Elevation & Borders */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 
  1. Base Reset & Defaults 
*/
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-light-bg);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-navy);
  font-weight: 800;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea {
  font-family: inherit;
}

/* 
  2. Layout Components 
*/
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.section {
  padding-block: var(--spacing-4xl);
}

.section-bg-white { background-color: var(--color-white); }
.section-bg-light { background-color: var(--color-light-bg); }
.section-bg-dark { 
  background-color: var(--color-dark-navy); 
  color: var(--color-white);
}

.section-bg-dark h1, .section-bg-dark h2, .section-bg-dark h3 { color: var(--color-white); }
.section-bg-dark p { color: rgba(255,255,255,0.7); }

/* 
  3. Header & Navigation 
*/
.top-bar {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding-block: var(--spacing-xs);
  font-size: 0.85rem;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-links {
  display: flex;
  gap: var(--spacing-lg);
}

.top-bar-links a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.top-bar-links a:hover { color: var(--color-primary-yellow); }
.top-bar-links i { color: var(--color-secondary-orange); }

.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--spacing-md);
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-links a {
  font-weight: 700;
  color: var(--color-dark-navy);
  position: relative;
  padding-block: var(--spacing-xs);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary-orange);
  transition: var(--transition);
}

html[dir="rtl"] .nav-links a::after { left: auto; right: 0; }

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-blue);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-dark-navy);
  cursor: pointer;
}

/* 
  4. Buttons 
*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--color-primary-yellow);
  color: var(--color-dark-navy);
}

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

.btn-secondary {
  background-color: var(--color-accent-blue);
  color: var(--color-white);
}

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

.btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-dark-navy);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

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

/* 
  5. Sections & Components 
*/

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(21, 40, 54, 0.9), rgba(21, 40, 54, 0.4));
  z-index: -1;
}

html[dir="rtl"] .hero::before {
  background: linear-gradient(to left, rgba(21, 40, 54, 0.9), rgba(21, 40, 54, 0.4));
}

.hero-content { max-width: 750px; }
.hero h1 { 
  color: var(--color-white); 
  margin-bottom: var(--spacing-md);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}
.hero p { color: rgba(255,255,255,0.8); font-size: 1.25rem; margin-bottom: var(--spacing-xl); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.2);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
}

.trust-item i { color: var(--color-primary-yellow); }

/* Service Cards */
.service-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
  height: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(22, 107, 162, 0.1);
  color: var(--color-accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background-color: var(--color-accent-blue);
  color: var(--color-white);
}

/* FAQ */
.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
}

.faq-question:hover { background-color: rgba(22, 107, 162, 0.05); }
.faq-question i { transition: var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); }

.faq-answer {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 300px;
}

/* Contact Form */
.form-group { margin-bottom: var(--spacing-lg); }
.form-label { display: block; font-weight: 600; margin-bottom: var(--spacing-xs); }
.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(22, 107, 162, 0.1);
}

textarea.form-control { min-height: 120px; resize: vertical; }

/* 
  6. Footer 
*/
.footer {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding-top: var(--spacing-4xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-about img {
  height: 50px;
  filter: brightness(0) invert(1);
  margin-bottom: var(--spacing-md);
}

.footer-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-yellow);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-secondary-orange);
}

html[dir="rtl"] .footer-title::after { right: 0; }
html[dir="ltr"] .footer-title::after { left: 0; }

.footer-links li { margin-bottom: var(--spacing-sm); }
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--color-primary-yellow); padding-inline-start: 5px; }

.footer-contact li {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: rgba(255,255,255,0.7);
}

.footer-contact i { color: var(--color-secondary-orange); margin-top: 5px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: var(--spacing-lg);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

/* 
  7. Utilities 
*/
.text-center { text-align: center; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.w-full { width: 100%; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.grid { display: grid; }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }
.items-center { align-items: center; }

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 25px;
  width: 55px;
  height: 55px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: var(--transition);
}

html[dir="rtl"] .floating-whatsapp { left: 25px; }
html[dir="ltr"] .floating-whatsapp { right: 25px; }

.floating-whatsapp:hover { transform: scale(1.1); background-color: var(--color-whatsapp-dark); }

/* 
  8. Responsive Overrides 
*/
@media (max-width: 768px) {
  .top-bar-links .hidden-sm { display: none; }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: block; }
  
  .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
  .hero { min-height: 60vh; text-align: center; }
  .hero-actions { justify-content: center; }
  .trust-indicators { justify-content: center; }
}