/* ==========================================================================
   عين الرافدين | Ain Al-Rafidain - Layout & Section Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Sticky Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: all var(--transition-normal);
  background-color: transparent;
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(7, 9, 11, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  z-index: var(--z-elevated);
}

.brand-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), #064E25);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(12, 130, 62, 0.35);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-symbol {
  transform: rotate(-5deg) scale(1.05);
}

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

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Desktop Navigation Menu */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

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

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-light-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 50%;
  transform: translateX(50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Mobile Navigation Toggle Button */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  gap: 5px;
  cursor: pointer;
  z-index: var(--z-elevated);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  visibility: hidden;
  opacity: 0;
  transition: all var(--transition-normal);
}

.mobile-drawer.is-open {
  visibility: visible;
  opacity: 1;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 380px;
  height: 100%;
  background-color: var(--color-dark-surface-1);
  border-left: 1px solid var(--color-dark-surface-3);
  padding: var(--spacing-xl) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.is-open .drawer-panel {
  transform: translateX(0);
}

.drawer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.drawer-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-light-secondary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  border-right: 3px solid transparent;
  transition: all var(--transition-fast);
}

.drawer-nav-link:hover,
.drawer-nav-link.active {
  color: var(--color-white);
  background-color: var(--color-dark-surface-2);
  border-right-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   2. Hero Visual Slider (Section 1)
   -------------------------------------------------------------------------- */
.hero-slider-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  max-height: 1050px;
  background-color: var(--color-black);
  overflow: hidden;
  color: var(--color-white);
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1000ms cubic-bezier(0.4, 0, 0.2, 1), visibility 1000ms;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  transition: transform 7000ms ease-out;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.92) 0%,
    rgba(0, 0, 0, 0.75) 45%,
    rgba(0, 0, 0, 0.4) 100%
  );
  z-index: 2;
}

.hero-overlay-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(12, 130, 62, 0.15) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  z-index: 3;
}

.hero-content-wrapper {
  position: relative;
  z-index: 4;
  height: 100%;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 820px;
  padding-top: calc(var(--header-height) + 20px);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  padding: 0.4rem 1rem;
  background: rgba(12, 130, 62, 0.2);
  border: 1px solid rgba(12, 130, 62, 0.4);
  border-radius: var(--radius-full);
  color: #34D399;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  backdrop-filter: blur(8px);
  transform: translateY(25px);
  opacity: 0;
  transition: all 800ms cubic-bezier(0.16, 1, 0.3, 1) 200ms;
}

.hero-slide.active .hero-eyebrow {
  transform: translateY(0);
  opacity: 1;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  transform: translateY(30px);
  opacity: 0;
  transition: all 800ms cubic-bezier(0.16, 1, 0.3, 1) 400ms;
}

.hero-title span.highlight-green {
  color: #10B981;
  background: linear-gradient(135deg, #10B981, #0C823E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-slide.active .hero-title {
  transform: translateY(0);
  opacity: 1;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-light-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: var(--spacing-xl);
  transform: translateY(30px);
  opacity: 0;
  transition: all 800ms cubic-bezier(0.16, 1, 0.3, 1) 600ms;
}

.hero-slide.active .hero-desc {
  transform: translateY(0);
  opacity: 1;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  transform: translateY(30px);
  opacity: 0;
  transition: all 800ms cubic-bezier(0.16, 1, 0.3, 1) 800ms;
}

.hero-slide.active .hero-actions {
  transform: translateY(0);
  opacity: 1;
}

/* Slider Controls Bottom Bar */
.hero-controls {
  position: absolute;
  bottom: clamp(1.5rem, 4vw, 3rem);
  left: 0;
  right: 0;
  z-index: 5;
}

.hero-controls-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slider-indicators {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.slider-dot-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: transparent;
  color: var(--color-text-light-muted);
  font-family: var(--font-heading);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 0.5rem 0.25rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.slider-dot-bar {
  width: 32px;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
  transition: width var(--transition-normal), background-color var(--transition-fast);
}

.slider-dot-btn.active {
  color: var(--color-white);
}

.slider-dot-btn.active .slider-dot-bar {
  width: 54px;
  background-color: var(--color-primary);
}

.slider-nav-arrows {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.slider-arrow-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-arrow-btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   3. Section 2: Company Introduction (نبذة عن عين الرافدين)
   -------------------------------------------------------------------------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.intro-content-side {
  display: flex;
  flex-direction: column;
}

.intro-lead-text {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text-dark-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.intro-supporting-text {
  font-size: var(--font-size-base);
  color: var(--color-text-dark-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.intro-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.intro-highlight-item {
  padding: var(--spacing-md);
  background-color: var(--color-light-surface-0);
  border-right: 3px solid var(--color-primary);
  border-radius: var(--radius-xs);
}

.intro-highlight-item h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-dark-primary);
  margin-bottom: 4px;
}

.intro-highlight-item p {
  font-size: var(--font-size-xs);
  color: var(--color-text-dark-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.intro-visual-side {
  position: relative;
}

.intro-image-main {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.intro-floating-badge {
  position: absolute;
  bottom: -25px;
  right: -25px;
  background-color: var(--color-dark-surface-1);
  color: var(--color-white);
  border: 1px solid var(--color-dark-surface-3);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 320px;
}

.intro-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.intro-badge-text h4 {
  font-size: var(--font-size-sm);
  color: var(--color-white);
  margin-bottom: 2px;
}

.intro-badge-text p {
  font-size: var(--font-size-xs);
  color: var(--color-text-light-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   4. Section 3: Services Preview (خدماتنا)
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  position: relative;
  background-color: var(--color-dark-surface-2);
  border: 1px solid var(--color-dark-surface-3);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), #10B981);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card-media {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-card-media img {
  transform: scale(1.08);
}

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-dark-surface-2) 0%, rgba(13, 17, 21, 0.4) 60%, transparent 100%);
}

.service-card-number {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  font-family: var(--font-heading);
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--color-white);
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
}

.service-card-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-xs);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card-icon {
  transform: scale(1.1);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.service-card-title {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.service-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.service-card-link:hover {
  color: #34D399;
}

/* --------------------------------------------------------------------------
   5. Section 4: Why Ain Al-Rafidain (لماذا عين الرافدين)
   -------------------------------------------------------------------------- */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.why-card {
  background-color: var(--color-dark-surface-2);
  border: 1px solid var(--color-dark-surface-3);
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.why-card:hover {
  background-color: var(--color-dark-surface-3);
  border-color: var(--color-primary-border);
  transform: translateY(-4px);
}

.why-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xs);
  background: linear-gradient(135deg, var(--color-dark-surface-1), var(--color-dark-surface-3));
  border: 1px solid var(--color-dark-surface-4);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon-box {
  background: linear-gradient(135deg, var(--color-primary), #064E25);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.why-card-title {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.why-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   6. Section 5: Projects Showcase (معرض المشاريع - نماذج تجريبية)
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.project-card {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.project-media-wrapper {
  position: relative;
  height: 340px;
  overflow: hidden;
  background-color: var(--color-dark-surface-1);
}

.project-media-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-media-wrapper img {
  transform: scale(1.06);
}

.project-badge-top {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  gap: var(--spacing-2xs);
  z-index: 2;
}

.project-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-dark-muted);
}

.project-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text-dark-primary);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.project-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-dark-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.project-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-light-border);
}

/* --------------------------------------------------------------------------
   7. Section 6: Process (منهجية العمل الهندسية)
   -------------------------------------------------------------------------- */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  position: relative;
}

.process-card {
  background-color: var(--color-dark-surface-2);
  border: 1px solid var(--color-dark-surface-3);
  padding: var(--spacing-xl);
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-normal);
}

.process-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-dark-surface-3);
  transform: translateY(-4px);
}

.process-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.process-step-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  opacity: 0.9;
}

.process-step-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  background-color: var(--color-dark-surface-1);
  border: 1px solid var(--color-dark-surface-4);
  color: var(--color-text-light-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-card:hover .process-step-icon {
  color: var(--color-white);
  border-color: var(--color-primary);
}

.process-card-title {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.process-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   8. Section 7: Quality & Trust (الجودة والسلامة الهندسية)
   -------------------------------------------------------------------------- */
.quality-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.quality-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.quality-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.quality-feature-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.quality-feature-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-xs);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quality-feature-text h4 {
  font-size: var(--font-size-base);
  color: var(--color-text-dark-primary);
  margin-bottom: 4px;
  font-weight: 700;
}

.quality-feature-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-dark-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.quality-visual-wrapper {
  position: relative;
}

.quality-image-main {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   9. Section 8: CTA Section (دعوة للتواصل والبناء)
   -------------------------------------------------------------------------- */
.cta-banner-wrapper {
  position: relative;
  background: linear-gradient(135deg, var(--color-dark-surface-0) 0%, #064E25 100%);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner-wrapper .ambient-glow-green {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.cta-inner-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin-inline: auto;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-light-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.cta-actions-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   10. Footer (التذييل المؤسسي)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-text-light-secondary);
  border-top: 1px solid var(--color-dark-surface-3);
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light-muted);
  line-height: 1.8;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  max-width: 340px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  background-color: var(--color-dark-surface-2);
  border: 1px solid var(--color-dark-surface-4);
  border-radius: var(--radius-xs);
  color: var(--color-text-light-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-2xs);
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-light-muted);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light-muted);
}

.footer-contact-icon {
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-dark-surface-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-light-muted);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Scroll To Top Floating Button */
.scroll-top-btn {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  width: 46px;
  height: 46px;
  background-color: var(--color-dark-surface-2);
  border: 1px solid var(--color-dark-surface-4);
  border-radius: var(--radius-xs);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: var(--z-sticky);
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-normal);
}

.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}