/* ===== متغيرات CSS ===== */
:root {
  /* الألوان الأساسية */
  --color-primary: #4361ee;
  --color-secondary: #3a0ca3;
  --color-dark: rgba(15, 15, 26, 0.8);

  /* ألوان التأكيد */
  --color-accent-1: #4cc9f0;
  --color-accent-2: #f72585;
  --color-accent-3: #4ade80;
  --color-whatsapp: #25d366;

  /* الألوان المحايدة */
  --color-white: #ffffff;
  --color-light: #f8f9fa;
  --color-gray: #6c757d;

  /* تدرجات الألوان */
  --gradient-primary: linear-gradient(
    135deg,
    var(--color-secondary),
    var(--color-primary),
    var(--color-accent-1)
  );
  --gradient-secondary: linear-gradient(135deg, var(--color-accent-2), #7209b7);
  --gradient-neutral: linear-gradient(
    135deg,
    rgba(15, 15, 26, 0.8),
    rgba(15, 15, 26, 0.4)
  );

  /* تأثيرات الزجاج */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(10px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

  /* تأثيرات التوهج */
  --glow-text: 0 0 10px rgba(76, 201, 240, 0.7);
  --glow-box: 0 0 15px rgba(76, 201, 240, 0.7);
  --glow-border: 1px solid rgba(76, 201, 240, 0.7);

  /* المسافات والهوامش */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  --space-xxxl: 5rem;

  /* الحدود ونصف القطر */
  --border-thin: 1px;
  --border-regular: 2px;
  --border-thick: 3px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;

  /* الخطوط والأحجام */
  --font-family-ar: "Tajawal", sans-serif;
  --font-family-en: "Poppins", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 3rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* الظلال */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.1);

  /* الانتقالات */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* تخطيط الصفحة */
  --container-padding: var(--space-lg);
  --section-padding: var(--space-xxxl) 0;
  --header-height: 80px;
  --z-index-header: 1000;
  --z-index-modal: 2000;
}

/* ===== إعادة تعيين وأساسيات ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html[lang="ar"] {
  direction: rtl;
  font-family: var(--font-family-ar);
}

html[lang="en"] {
  direction: ltr;
  font-family: var(--font-family-en);
}

body {
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-dark);
  overflow-x: hidden;
  padding-top: 0; /* إزالة المساحة العلوية لتجنب الفجوة */
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-padding {
  padding: var(--section-padding);
}

/* ===== تأثيرات مشتركة ===== */
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md);
}

.glow-text {
  text-shadow: var(--glow-text);
}

.glow-button {
  box-shadow: var(--glow-box);
  border: var(--glow-border);
}

.highlight {
  color: var(--color-accent-1);
}

/* ===== رؤوس الأقسام ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: var(--border-thin);
  background: var(--color-accent-1);
}

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

/* ===== الهيدر الثابت (Fixed Header) ===== */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-index-header);
}

.nav-container {
  width: 80%;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .nav-container {
    width: 100%;
    margin: 0 auto;
  }
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-md);
  border-radius: var(--radius-lg);
}

/* إزالة تأثير .navbar.scrolled الذي كان يتم إضافته عبر JavaScript */
.navbar.scrolled {
  background: transparent;
  padding: var(--space-md) var(--space-xl);
  box-shadow: none;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-accent-1);
  text-shadow: var(--glow-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-white);
  margin: 3px 0;
  transition: var(--transition-normal);
}

/* ===== القسم الرئيسي (Hero) ===== */
.hero {
  height: 100vh;
  position: relative;
  background: var(--gradient-primary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
  padding-top: var(--header-height);
}

.hero-content {
  text-align: center;
  max-width: 1000px;
  padding: var(--space-xl);
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-xxxl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
  color: var(--color-light);
}

.cta-button {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent-2);
  color: var(--color-white);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-box);
  background-color: var(--color-primary);
}

.hero-shapes .shape {
  position: absolute;
  border-radius: var(--radius-round);
  filter: blur(60px);
  opacity: 0.5;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: var(--color-accent-1);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: var(--color-accent-2);
  bottom: -50px;
  left: -50px;
  animation: float 10s ease-in-out infinite;
}

.shape-3 {
  width: 150px;
  height: 150px;
  background: var(--color-accent-3);
  top: 50%;
  left: 50%;
  animation: float 12s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(20px, 20px);
  }
  100% {
    transform: translate(0, 0);
  }
}

/* ===== قسم الخدمات ===== */
.services {
  background: var(--color-dark);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-normal);
}

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

.service-icon {
  font-size: var(--font-size-xxxl);
  margin-bottom: var(--space-lg);
  color: var(--color-accent-1);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.service-description {
  color: var(--color-light);
}

/* ===== قسم المشاريع ===== */
.projects {
  background: var(--color-dark);
  position: relative;
}

.projects-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: var(--border-thin) solid var(--color-gray);
  color: var(--color-white);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent-1);
  border-color: var(--color-accent-1);
  color: var(--color-white);
}

.projects-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.project-card {
  height: 400px;
  width: calc((100% / 3) - var(--space-xl));
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.project-card:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-box);
}

.project-image {
  width: 100%;
  height: 100%;
  background: var(--gradient-secondary);
  position: relative;
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  padding: var(--space-sm);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
  background: rgba(0, 0, 0, 0.9);
}

.project-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.project-category {
  font-size: var(--font-size-sm);
  color: var(--color-accent-1);
}

/* ===== قسم التكنولوجيا ===== */
.tech {
  background: var(--color-dark);
  position: relative;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.tech-item {
  transition: var(--transition-normal);
}

.tech-item:hover {
  transform: translateY(-10px);
}

.tech-icon {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--space-md);
  color: var(--color-accent-1);
}

.tech-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
}

/* ===== قسم عن الشركة ===== */
.about {
  background: var(--color-dark);
  position: relative;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.about-text {
  padding: var(--space-lg);
}

.about-subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-accent-1);
}

.about-description {
  margin-bottom: var(--space-lg);
  color: var(--color-light);
}

.about-values {
  padding: var(--space-xl);
}

.values-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.values-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.value-icon {
  font-size: var(--font-size-xl);
  color: var(--color-accent-1);
}

.value-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.value-description {
  color: var(--color-light);
  font-size: var(--font-size-md);
}

/* ===== قسم التواصل ===== */
.contact {
  background: var(--color-dark);
  position: relative;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  font-size: var(--font-size-xl);
  color: var(--color-accent-1);
}

.contact-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.contact-text {
  color: var(--color-light);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border-radius: var(--radius-round);
  transition: var(--transition-normal);
}

.social-link:hover {
  background: var(--color-accent-1);
  transform: translateY(-5px);
}

.contact-form {
  padding: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.1);
  border: var(--border-thin) solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: var(--font-size-md);
  transition: var(--transition-normal);
}

html[lang="ar"] .form-input,
html[lang="ar"] .form-textarea {
  font-family: var(--font-family-ar);
}

html[lang="en"] .form-input,
html[lang="en"] .form-textarea {
  font-family: var(--font-family-en);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-1);
  box-shadow: var(--glow-box);
}

.submit-button {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent-2);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-normal);
}

.submit-button:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-box);
  background-color: var(--color-primary);
}

/* ===== تذييل الصفحة ===== */
.footer {
  background: var(--color-secondary);
  padding: var(--space-xxl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  margin-bottom: var(--space-lg);
}

.footer-description {
  color: var(--color-light);
  margin-top: var(--space-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.footer-links-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  color: var(--color-accent-1);
}

.footer-link {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-light);
  transition: var(--transition-normal);
}

html[lang="ar"] .footer-link:hover {
  color: var(--color-accent-1);
  transform: translateX(-5px);
}

html[lang="en"] .footer-link:hover {
  color: var(--color-accent-1);
  transform: translateX(5px);
}

.footer-bottom {
  border-top: var(--border-thin) solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.copyright {
  color: var(--color-light);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-link {
  color: var(--color-light);
  font-size: var(--font-size-sm);
}

.footer-bottom-link:hover {
  color: var(--color-accent-1);
}

/* ===== زر واتساب العائم ===== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  transition: all 0.3s;
  animation: pulse 2s infinite, float-button 6s ease-in-out infinite;
}

html[lang="en"] .whatsapp-float {
  right: auto;
  left: 30px;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes float-button {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

/* ===== دائرة النسبة المئوية للتمرير ===== */
.scroll-progress-container {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 1000;
  cursor: pointer;
}

html[lang="en"] .scroll-progress-container {
  left: auto;
  right: 30px;
}

.scroll-progress-circle {
  position: relative;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-circle-bg {
  stroke: rgba(255, 255, 255, 0.1);
}

.progress-ring-circle {
  stroke: var(--color-accent-1);
  transition: stroke-dashoffset 0.3s;
}

.progress-text {
  position: absolute;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

/* ===== تأثير متابعة مؤشر الماوس ===== */
.mouse-follower {
  position: fixed;
  width: 30px;
  height: 30px;
  border: 2px solid var(--color-accent-1);
  border-radius: var(--radius-round);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  opacity: 0.7;
  transition: width 0.3s, height 0.3s, border 0.3s;
}

.mouse-follower.hover {
  width: 50px;
  height: 50px;
  border: 2px solid var(--color-accent-2);
  opacity: 0.5;
}

/* ===== تأثيرات الأيقونات ===== */
.icon-web::before {
  content: "\f0ac";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-mobile::before {
  content: "\f3cd";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-ai::before {
  content: "\f544";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-cloud::before {
  content: "\f0c2";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-react::before {
  content: "\f41b";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-node::before {
  content: "\f3d3";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-python::before {
  content: "\f3e2";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-flutter::before {
  content: "\f5aa";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-aws::before {
  content: "\f375";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-tensorflow::before {
  content: "\f5b0";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-innovation::before {
  content: "\f0eb";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-quality::before {
  content: "\f005";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-collaboration::before {
  content: "\f0c0";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-email::before {
  content: "\f0e0";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-phone::before {
  content: "\f095";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-location::before {
  content: "\f3c5";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.icon-facebook::before {
  content: "\f39e";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-twitter::before {
  content: "\f099";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-linkedin::before {
  content: "\f0e1";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

.icon-instagram::before {
  content: "\f16d";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
}

/* ===== الاستجابة للشاشات المختلفة ===== */
@media (max-width: 1200px) {
  :root {
    --font-size-xxxl: 2.5rem;
  }
}

@media (max-width: 992px) {
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --font-size-xxxl: 2rem;
    --font-size-xxl: 1.75rem;
    --font-size-xl: 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding: var(--space-md);
  }

  .projects-filter {
    flex-direction: column;
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  .mouse-follower {
    display: none;
  }
}

/* ===== القائمة الجانبية المحسنة للموبايل ===== */
.mobile-sidebar {
  position: fixed;
  top: 0;
  width: 280px;
  height: 100vh;
  background: var(--gradient-neutral);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  z-index: var(--z-index-modal);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  padding: var(--space-xl) 0;
  box-shadow: var(--shadow-xl);
  display: none;
}

html[lang="ar"] .mobile-sidebar {
  right: 0;
  transform: translateX(100%);
}

html[lang="en"] .mobile-sidebar {
  left: 0;
  transform: translateX(-100%);
}

.mobile-sidebar.active {
  transform: translateX(0) !important;
  animation: slideIn var(--transition-slow) ease-out;
  display: block !important;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

html[lang="ar"] .mobile-sidebar.active {
  animation: slideInRTL var(--transition-slow) ease-out;
  transform: translateX(0) !important;
  display: block !important;
}

@keyframes slideInRTL {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.mobile-sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: calc(var(--z-index-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: none;
}

.mobile-sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
  display: block !important;
}

.mobile-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg) var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-lg);
}

.mobile-sidebar-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-1);
  text-shadow: var(--glow-text);
  position: relative;
  overflow: hidden;
}

.mobile-sidebar-logo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.mobile-sidebar-logo:hover::after {
  transform: scaleX(1);
}

.mobile-sidebar-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  position: relative;
  overflow: hidden;
}

.mobile-sidebar-close::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(76, 201, 240, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
}

.mobile-sidebar-close:hover::before {
  transform: translateX(100%);
}

.mobile-sidebar-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent-1);
  transform: scale(1.1);
  box-shadow: var(--glow-box);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: 0 var(--space-lg);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  color: var(--color-white);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.3s ease-out;
  animation-fill-mode: both;
}

.mobile-nav-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-nav-link:nth-child(2) { animation-delay: 0.2s; }
.mobile-nav-link:nth-child(3) { animation-delay: 0.3s; }
.mobile-nav-link:nth-child(4) { animation-delay: 0.4s; }
.mobile-nav-link:nth-child(5) { animation-delay: 0.5s; }
.mobile-nav-link:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(76, 201, 240, 0.1), transparent);
  transition: width var(--transition-normal);
}

.mobile-nav-link:hover::before {
  width: 100%;
}

.mobile-nav-link:hover {
  color: var(--color-accent-1);
  background: rgba(76, 201, 240, 0.05);
  transform: translateX(5px);
  box-shadow: var(--glow-box);
}

html[lang="ar"] .mobile-nav-link:hover {
  transform: translateX(-5px);
  box-shadow: var(--glow-box);
}

.mobile-nav-link.active {
  color: var(--color-accent-1);
  background: rgba(76, 201, 240, 0.1);
  border-left: 3px solid var(--color-accent-1);
  box-shadow: var(--glow-box);
}

html[lang="ar"] .mobile-nav-link.active {
  border-left: none;
  border-right: 3px solid var(--color-accent-1);
  box-shadow: var(--glow-box);
}

.mobile-nav-link-icon {
  margin-right: var(--space-md);
  font-size: var(--font-size-lg);
  width: 20px;
  text-align: center;
  transition: var(--transition-normal);
}

html[lang="ar"] .mobile-nav-link-icon {
  margin-right: 0;
  margin-left: var(--space-md);
}

.mobile-nav-link:hover .mobile-nav-link-icon {
  transform: scale(1.2);
  filter: drop-shadow(0 0 5px var(--color-accent-1));
}

.mobile-sidebar-footer {
  margin-top: auto;
  padding: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.mobile-sidebar-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.mobile-sidebar-footer:hover::before {
  transform: scaleX(1);
}

.mobile-lang-switch {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-accent-1);
  color: var(--color-dark);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: center;
}

.mobile-lang-switch:hover {
  background: var(--color-accent-2);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--glow-box);
}

.mobile-lang-switch:active {
  transform: translateY(0) scale(0.95);
}

/* تحسين زر القائمة */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  z-index: var(--z-index-header);
  position: relative;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

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

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

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

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-links {
    display: none;
  }

  /* تحسينات إضافية للقائمة الجانبية */
  .mobile-sidebar {
    width: 300px;
    display: block !important;
  }

  .mobile-nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-lg) var(--space-xl);
  }

  .mobile-nav-link-icon {
    font-size: var(--font-size-xl);
    width: 24px;
  }

  /* تحسين تجربة المستخدم */
  .mobile-sidebar-overlay {
    display: block !important;
  }

  /* تحسين زر القائمة */
  .menu-toggle {
    z-index: calc(var(--z-index-modal) + 1);
  }
}

@media (max-width: 480px) {
  .mobile-sidebar {
    width: 280px;
    display: block !important;
  }

  .mobile-nav-link {
    font-size: var(--font-size-md);
    padding: var(--space-md) var(--space-lg);
  }

  .mobile-nav-link-icon {
    font-size: var(--font-size-lg);
    width: 20px;
  }

  .mobile-sidebar-overlay {
    display: block !important;
  }

  /* تحسين زر القائمة */
  .menu-toggle {
    z-index: calc(var(--z-index-modal) + 1);
  }
}

@media (max-width: 576px) {
  :root {
    --space-xxxl: 3rem;
  }

  .navbar {
    margin: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: var(--font-size-md);
  }

  .section-title {
    font-size: var(--font-size-xl);
  }

  .section-subtitle {
    font-size: var(--font-size-md);
  }

  .service-card,
  .project-card {
    padding: var(--space-md);
    width: 100%;
  }

  .whatsapp-float,
  .scroll-progress-container {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .scroll-progress-circle {
    width: 50px;
    height: 50px;
  }
}

/* ===== تعديلات خاصة باللغة ===== */
.lang-switch {
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-accent-1);
  border-radius: var(--radius-sm);
  color: var(--color-dark);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-normal);
}

.lang-switch:hover {
  background-color: var(--color-accent-2);
  color: var(--color-white);
}

/* Why Us Section - Consistent with Services */
.why-us {
  background: var(--color-dark);
  position: relative;
}
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}
.why-us-card {
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-normal);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md);
}
.why-us-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--glow-box);
}
.why-us-icon {
  font-size: var(--font-size-xxxl);
  margin-bottom: var(--space-lg);
  color: var(--color-accent-1);
}
.why-us-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  color: var(--color-white);
}
.why-us-desc {
  color: var(--color-light);
}
@media (max-width: 600px) {
  .why-us-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .why-us-card {
    padding: var(--space-lg) var(--space-md);
  }
}
html[dir="rtl"] .why-us-card {
  text-align: right;
}
html[dir="ltr"] .why-us-card {
  text-align: left;
}

.typewriter-cursor {
  display: inline-block;
  margin-right: 2px;
  width: 1ch;
  animation: blink-cursor 0.8s steps(1) infinite;
  color: var(--color-accent-1, #4cc9f0);
  font-weight: bold;
  font-size: 1em;
}
@keyframes blink-cursor {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* معرض الصور الكبير */
.gallery-container {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 0;
}
.gallery-main-image {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
}
.gallery-main-image img {
  max-width: 1000px;
  /* max-height: 340px; */
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  transition: box-shadow 0.3s, transform 0.3s;
  background: #fff;
}
.gallery-arrow {
  background: rgba(255,255,255,0.85);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #333;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  cursor: pointer;
  margin: 0 1rem;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  z-index: 2;
}
.gallery-arrow:hover {
  background: #007bff;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,123,255,0.15);
}
@media (max-width: 600px) {
  .gallery-main-image img {
    max-width: 95vw;
    max-height: 220px;
  }
  .gallery-arrow {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
    margin: 0 0.3rem;
  }
  .gallery-container {
    padding: 1rem 0;
  }
}