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

/* CSS Variables */
:root {
  --primary-color: #102A43;      /* Deep Navy Blue */
  --primary-light: #1F4068;
  --primary-dark: #0B1B29;
  --secondary-color: #C9A227;    /* Academic Gold */
  --secondary-hover: #B28E1E;
  --button-color: #2F855A;       /* Success Forest Green */
  --button-hover: #225E3E;
  --bg-color: #FFFFFF;
  --bg-light: #F7FAFC;
  --bg-card: #FFFFFF;
  --text-color: #374151;         /* Readable Gray */
  --text-muted: #6B7280;
  --text-light: #FFFFFF;
  --border-color: #E2E8F0;
  --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);
  --font-family: 'Tajawal', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

/* Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-color);
  line-height: 1.8;
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
}

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

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

/* Common Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-bg {
  background-color: var(--bg-color);
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--secondary-color);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-top: 15px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  font-weight: 700;
  line-height: 1.3;
}

p {
  color: var(--text-color);
}

/* Custom Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  gap: 10px;
}

.btn-primary {
  background-color: var(--button-color);
  color: var(--text-light);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

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

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

/* Header & Navigation Styles */
.top-bar {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding: 8px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-contact a {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar-contact a:hover {
  color: var(--secondary-color);
}

.top-bar-social {
  display: flex;
  gap: 15px;
}

.top-bar-social a:hover {
  color: var(--secondary-color);
}

header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 60px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--secondary-color);
  font-weight: 700;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 25px;
  align-items: center;
}

.nav-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-color);
  padding: 8px 0;
  position: relative;
}

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

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

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

.nav-cta {
  margin-right: 10px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, rgba(16, 42, 67, 0.95) 0%, rgba(31, 64, 104, 0.9) 100%), url('../images/hero-research.jpg');
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 10% 20%, rgba(201, 162, 39, 0.15) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(201, 162, 39, 0.2);
  border: 1px solid var(--secondary-color);
  color: var(--secondary-color);
  padding: 6px 16px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: #E2E8F0;
  margin-bottom: 30px;
  font-weight: 500;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #CBD5E0;
  margin-bottom: 35px;
}

.hero-btns {
  display: flex;
  gap: 15px;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 2;
}

.hero-img-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255, 255, 255, 0.15);
}

.hero-img-box img {
  width: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.hero-img-box:hover img {
  transform: scale(1.03);
}

/* Feature Cards (Key Highlights) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 0;
  background-color: var(--secondary-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(16, 42, 67, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: 25px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Quick Services Overview */
.services-section {
  background-color: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.service-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 30px 25px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-color);
}

.service-card-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(201, 162, 39, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
  font-size: 1.4rem;
  margin: 0 auto 20px auto;
  transition: var(--transition);
}

.service-card:hover .service-card-icon {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

.service-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Stats/Facts Section */
.stats-section {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--secondary-color);
}

.stat-label {
  font-size: 1rem;
  color: #E2E8F0;
  font-weight: 500;
}

/* Department/Specialty List */
.dept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.dept-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 25px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.dept-card:hover {
  transform: scale(1.02);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-md);
}

.dept-icon {
  font-size: 1.5rem;
  color: var(--secondary-color);
  flex-shrink: 0;
}

.dept-title {
  font-size: 1.05rem;
  font-weight: 700;
}

/* Academic Integrity Banner */
.integrity-banner {
  background-color: rgba(201, 162, 39, 0.05);
  border: 2px dashed var(--secondary-color);
  border-radius: var(--border-radius);
  padding: 40px;
  margin-top: 50px;
}

.integrity-banner-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  align-items: center;
}

.integrity-banner-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  display: flex;
  justify-content: center;
}

.integrity-banner-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.integrity-banner-desc {
  font-size: 1rem;
  color: var(--text-color);
  line-height: 1.7;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 20px 25px;
  background: none;
  border: none;
  text-align: right;
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--bg-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background-color: var(--bg-color);
  border-top: 0 solid var(--border-color);
}

.faq-answer-inner {
  padding: 20px 25px;
  font-size: 0.95rem;
  color: var(--text-color);
  line-height: 1.7;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--secondary-color);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  border-top-width: 1px;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

/* Contact Page Styles */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.contact-form-card,
.contact-info-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.contact-info-card {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-card h3 {
  color: var(--text-light);
}

.contact-method {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-method-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-method-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.contact-method-value {
  font-size: 0.95rem;
  color: #E2E8F0;
}

/* Forms styling */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--text-color);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

/* Success Alert Alert */
.alert-success {
  background-color: #DEF7EC;
  border: 1px solid #319795;
  color: #234E52;
  padding: 15px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  display: none;
  font-weight: 700;
}

/* Article Portal Styles */
.articles-header {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 60px 0;
  text-align: center;
}

.articles-header h1 {
  color: var(--text-light);
  font-size: 2.5rem;
}

.filter-wrapper {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--primary-color);
  padding: 10px 22px;
  border-radius: 30px;
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.article-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-color);
}

.article-card-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  gap: 15px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.article-cat {
  color: var(--secondary-color);
  font-weight: 700;
}

.article-card-title {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.article-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-author {
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-readmore {
  color: var(--button-color);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-readmore:hover {
  color: var(--button-hover);
}

/* Article Detail View Styles */
.article-detail-container {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 40px;
}

.article-content-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 50px 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 25px;
  margin-bottom: 30px;
}

.article-header-meta {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.article-detail-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.3;
}

.article-body-text {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-color);
}

.article-body-text p {
  margin-bottom: 25px;
}

.article-body-text h3 {
  font-size: 1.4rem;
  margin: 35px 0 15px 0;
  padding-right: 10px;
  border-right: 4px solid var(--secondary-color);
}

.article-body-text ul {
  margin-bottom: 25px;
  padding-right: 25px;
}

.article-body-text li {
  margin-bottom: 10px;
}

/* Sidebar components */
.sidebar-widget {
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.sidebar-widget-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.sidebar-widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 3px;
  background-color: var(--secondary-color);
}

.related-articles-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.related-article-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.related-article-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.related-article-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
}

.related-article-title:hover {
  color: var(--secondary-color);
}

.related-article-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer Section */
footer {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding: 80px 0 20px 0;
  border-top: 4px solid var(--secondary-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-widget-logo {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-logo-img {
  height: 70px;
  width: auto;
  align-self: flex-start;
  border-radius: 8px;
}

.footer-widget-desc {
  font-size: 0.9rem;
  color: #A0AEC0;
  line-height: 1.7;
}

.footer-widget-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

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

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #A0AEC0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: '←';
  color: var(--secondary-color);
  font-size: 0.8rem;
  transition: var(--transition);
}

.footer-links a:hover::before {
  transform: translateX(-5px);
}

.footer-links a:hover {
  color: var(--secondary-color);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
  font-size: 0.9rem;
  color: #A0AEC0;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-contact-item span:first-child {
  color: var(--secondary-color);
  font-weight: 700;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  text-align: center;
  font-size: 0.85rem;
  color: #A0AEC0;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.footer-bottom-links a:hover {
  color: var(--secondary-color);
}

/* Floating Elements */
.whatsapp-floater {
  position: fixed;
  bottom: 30px;
  left: 30px;
  background-color: #25D366;
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 999;
  transition: var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-floater:hover {
  transform: scale(1.1);
  background-color: #20BA5A;
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Responsive Grid and Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-tag {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns {
    justify-content: center;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .article-detail-container {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 80%;
    height: calc(100vh - 80px);
    background-color: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 30px;
    box-shadow: -4px 0 15px rgba(0,0,0,0.1);
    transition: var(--transition);
    z-index: 999;
    gap: 20px;
  }
  .nav-menu.open {
    right: 0;
  }
  .nav-cta {
    margin-right: 0;
    margin-top: 15px;
    width: 100%;
  }
  .nav-cta .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .top-bar-contact {
    justify-content: center;
    width: 100%;
  }
  .top-bar-social {
    display: none;
  }
}

@media (max-width: 480px) {
  .logo-title {
    font-size: 1.05rem;
  }
  .logo-subtitle {
    font-size: 0.65rem;
  }
  .logo-img {
    height: 45px;
  }
  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }
}

/* ==========================================================================
   الوضع الداكن (Dark Mode Overlay Styles)
   ========================================================================== */
body.dark-theme {
  --bg-color: #1a202c;
  --bg-light: #171923;
  --bg-card: #2d3748;
  --text-color: #e2e8f0;
  --text-muted: #a0aec0;
  --border-color: #4a5568;
  --primary-color: #f7fafc;
  --primary-light: #edf2f7;
  --primary-dark: #171923;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

body.dark-theme header {
  background-color: rgba(26, 32, 44, 0.95);
  border-bottom: 1px solid var(--border-color);
}

body.dark-theme .nav-link {
  color: #e2e8f0;
}

body.dark-theme .top-bar {
  background-color: #121620;
}

body.dark-theme .btn-secondary {
  color: #e2e8f0;
  border-color: #e2e8f0;
}

body.dark-theme .btn-secondary:hover {
  background-color: #e2e8f0;
  color: #1a202c;
}

body.dark-theme .top-bar-contact a {
  color: #e2e8f0;
}

body.dark-theme .top-bar-contact a:hover {
  color: var(--secondary-color);
}

body.dark-theme .feature-icon {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--secondary-color);
}

body.dark-theme .feature-card:hover .feature-icon {
  background-color: var(--secondary-color);
  color: #1a202c;
}

body.dark-theme .stat-item {
  border-left-color: var(--border-color);
}

body.dark-theme .service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

body.dark-theme .service-card-icon {
  background-color: rgba(255, 255, 255, 0.05);
}

body.dark-theme .article-card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

body.dark-theme .article-card-body h3 {
  color: #edf2f7;
}

body.dark-theme .dept-card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: #e2e8f0;
}

body.dark-theme .dept-card:hover {
  border-color: var(--secondary-color);
  background-color: rgba(201, 162, 39, 0.1);
}

body.dark-theme .faq-item {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

body.dark-theme .faq-question {
  color: #edf2f7;
}

body.dark-theme .faq-answer-inner {
  color: #e2e8f0;
  border-top-color: var(--border-color);
}

body.dark-theme .form-control,
body.dark-theme input,
body.dark-theme textarea,
body.dark-theme select {
  background-color: #2d3748;
  border-color: #4a5568;
  color: #edf2f7;
}

body.dark-theme .form-control:focus {
  border-color: var(--secondary-color);
}

/* ==========================================================================
   حركات التمرير التفاعلية (Scroll Entrance Animations)
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.slide-left {
  transform: translateX(-50px);
}

.animate-on-scroll.slide-right {
  transform: translateX(50px);
}

.animate-on-scroll.scale-in {
  transform: scale(0.9);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   مفتاح تبديل الوضع الليلي (Theme Switcher Button)
   ========================================================================== */
.theme-toggle-li {
  display: flex;
  align-items: center;
  margin-right: 15px;
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--primary-color);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: 50%;
  width: 40px;
  height: 40px;
}

body.dark-theme .theme-toggle-btn {
  color: var(--secondary-color);
  border-color: var(--border-color);
}

.theme-toggle-btn:hover {
  background-color: rgba(201, 162, 39, 0.1);
  border-color: var(--secondary-color);
  transform: scale(1.05);
}

/* ==========================================================================
   حاسبة الخدمات التفاعلية (Interactive Cost Estimator Calculator)
   ========================================================================== */
.calculator-section {
  padding: 80px 0;
  background-color: var(--bg-light);
}

.calc-container {
  max-width: 850px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

@media (max-width: 768px) {
  .calc-container {
    grid-template-columns: 1fr;
  }
}

.calc-inputs {
  padding: 40px;
}

.calc-results {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--text-light);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
}

body.dark-theme .calc-results {
  background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
  color: #edf2f7;
}

.calc-results-title {
  font-size: 1.3rem;
  margin-bottom: 20px;
  font-weight: 700;
  color: var(--secondary-color);
}

.calc-price-display {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--secondary-color);
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.calc-price-display .currency {
  font-size: 1.2rem;
  font-weight: 500;
}

.calc-meta-item {
  margin: 15px 0;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-meta-item i {
  color: var(--secondary-color);
}

.calc-form-group {
  margin-bottom: 25px;
}

.calc-label {
  display: block;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-color);
}

body.dark-theme .calc-label {
  color: #e2e8f0;
}

.calc-select,
.calc-range {
  width: 100%;
  padding: 12px 15px;
  border-radius: var(--border-radius);
  border: 2px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
}

.calc-select:focus {
  border-color: var(--secondary-color);
}

.calc-range-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
}

.calc-range-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--secondary-color);
  min-width: 60px;
  text-align: center;
}

input[type="range"].calc-range {
  flex-grow: 1;
  height: 6px;
  background: var(--border-color);
  border: none;
  outline: none;
  border-radius: 3px;
  appearance: none;
}

input[type="range"].calc-range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--secondary-color);
  cursor: pointer;
  transition: transform 0.1s ease;
}

input[type="range"].calc-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}