/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;900&display=swap');

/* CSS Variables */
:root {
  /* Colors */
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --info-color: #9b59b6;
  
  /* Text Colors */
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --text-light: #ffffff;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #ecf0f1;
  --bg-dark: #2c3e50;
  --bg-gradient: linear-gradient(135deg, #3498db, #2c3e50);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-family: 'Tajawal', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
  
  /* Header */
  --header-height: 70px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f8fafc 0%, #eaf6fb 100%);
  direction: rtl;
  text-align: right;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  position: relative;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color), var(--success-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Button Styles */
.button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-family: inherit;
  font-size: var(--font-size-base);
  min-width: 140px;
}

.button-primary {
  background: var(--secondary-color);
  color: var(--text-light);
  box-shadow: 0 4px 24px rgba(52,152,219,0.08);
  position: relative;
  overflow: hidden;
}

.button-primary::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 100%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
  z-index: 0;
}

.button-primary:hover::before {
  width: 250px;
  height: 250px;
}

.button-primary:hover {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 24px rgba(52,152,219,0.08);
  position: relative;
  overflow: hidden;
}

.button-secondary::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 100%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
  z-index: 0;
}

.button-secondary:hover::before {
  width: 250px;
  height: 250px;
}

.button-secondary:hover {
  background: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  height: var(--header-height);
  transition: var(--transition-normal);
}

.header.scroll-header {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.nav-logo h2 {
  color: var(--primary-color);
  margin: 0;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active-link {
  color: var(--secondary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: var(--transition-fast);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  transition: var(--transition-fast);
}

/* Home Section */
.home {
  padding-top: calc(var(--header-height) + var(--spacing-md));
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(44, 62, 80, 0.05));
}

.home-container {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xl);
}

.home-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.home-title-accent {
  color: var(--secondary-color);
  display: block;
  margin-top: var(--spacing-xs);
}

.home-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.home-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.home-image {
  position: relative;
}

.home-image-bg {
  background: var(--bg-gradient);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

.home-svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* Services Section */
.services {
  background: var(--bg-secondary);
}

.services-container {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px rgba(44,62,80,0.10);
  transition: var(--transition-normal);
  text-align: center;
}

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

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: var(--bg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.service-icon svg {
  width: 40px;
  height: 40px;
}

.service-title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.service-description {
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  text-align: right;
}

.service-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-right: var(--spacing-md);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  right: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* Portfolio Section */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--text-light);
}

.portfolio-container {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-item {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.portfolio-item:hover {
  border: 1.5px solid var(--accent-color);
  background: linear-gradient(120deg, #fff 60%, #f9ecec 100%);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.portfolio-item.hide {
  display: none;
}

.portfolio-img {
  position: relative;
  overflow: hidden;
  height: 250px;
  background: var(--bg-secondary);
}

.portfolio-img svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-info {
  padding: var(--spacing-md);
}

.portfolio-info h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-container {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xl);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.about-stats {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: var(--font-size-3xl);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  margin: 0;
}

.about-image svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

/* Contact Section */
.contact-container {
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  align-items: flex-start;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--bg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-text h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

/* Contact Form */
.contact-form {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
  background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--accent-color);
}

.error-message {
  color: var(--accent-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: block;
}

.form-success {
  background: var(--success-color);
  color: var(--text-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-md);
  text-align: center;
  display: none;
}

.form-success.show {
  display: block;
  animation: slideUp 0.5s ease;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: #bdc3c7;
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: #bdc3c7;
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--secondary-color);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: #2980b9;
  transform: translateY(-2px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid #34495e;
  color: #95a5a6;
}

/* Animations */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* تأثير ظهور العناصر عند التمرير */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: all 0.7s cubic-bezier(.23,1.02,.32,1);
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* تأثير Hover للأزرار لجذب الانتباه */
.button-primary, .button-secondary {
  box-shadow: 0 4px 24px rgba(52,152,219,0.08);
  position: relative;
  overflow: hidden;
}

.button-primary::before, .button-secondary::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 100%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
  z-index: 0;
}

.button-primary:hover::before, .button-secondary:hover::before {
  width: 250px;
  height: 250px;
}

.button-primary:hover, .button-secondary:hover {
  box-shadow: 0 8px 32px rgba(52,152,219,0.18);
}

/* تأثير طيف لوني على العناوين */
.section-title {
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color), var(--success-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ظل خفيف للبطاقات */
.service-card, .portfolio-item, .about-content, .contact-form {
  box-shadow: 0 8px 32px rgba(44,62,80,0.10);
}

/* حركة SVG في الصفحة الرئيسية */
@keyframes float {
  0%,100% { transform: translateY(0);}
  50% { transform: translateY(-18px);}
}
.home-image-bg {
  animation: float 3s ease-in-out infinite;
}

/* تأثير تدرج لوني على خلفية الموقع */
body {
  background: linear-gradient(135deg, #f8fafc 0%, #eaf6fb 100%);
}

/* تأثير عند تمرير الماوس على بطاقات الخدمات */
.service-card:hover {
  background: linear-gradient(120deg, #f0f6ff 60%, #eaf6fb 100%);
  border: 1.5px solid var(--secondary-color);
}

/* تأثير عند تمرير الماوس على عناصر المعرض */
.portfolio-item:hover {
  border: 1.5px solid var(--accent-color);
  background: linear-gradient(120deg, #fff 60%, #f9ecec 100%);
}

/* تحسين شكل شريط التمرير */
::-webkit-scrollbar {
  width: 10px;
  background: #eaf6fb;
}
::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: 8px;
}

/* زر جانبي للانتقال للرئيسية */
.go-home-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #3498db;
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
}
.go-home-btn:hover {
    background: #217dbb;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --container-padding: 1rem;
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    padding: var(--spacing-md) 0;
  }

  .nav-menu.show-menu {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .home-container,
  .about-container,
  .contact-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .home-buttons {
    justify-content: center;
  }

  .services-container {
    grid-template-columns: 1fr;
  }

  .portfolio-container {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }

  .portfolio-filters {
    gap: var(--spacing-xs);
  }

  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
}

@media screen and (max-width: 480px) {
  .home-buttons {
    flex-direction: column;
    align-items: center;
  }

  .button {
    width: 100%;
    max-width: 300px;
  }

  .service-card {
    padding: var(--spacing-md);
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
  }
}

/* Print Styles */
@media print {
  .header,
  .nav-toggle,
  .footer {
    display: none;
  }

  .home {
    padding-top: 0;
  }

  * {
    background: white !important;
    color: black !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #000000;
    --secondary-color: #0066cc;
    --text-primary: #000000;
    --text-secondary: #333333;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
  }
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.button:focus,
input:focus,
select:focus,
textarea:focus {
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

/* Loading Animation */
.loading {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

/* Scroll Animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: all 0.7s cubic-bezier(.23,1.02,.32,1);
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0) scale(1);
}