:root {
  --primary-color: #002f6c;
  --primary-dark: #001f4a;
  --primary-light: #004a9f;
  --accent-color: #0066cc;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --text-dark: #1a1a1a;
  --text-light: #666;
  --bg-light: #f8f9fa;
  --white: #ffffff;
  --border-light: #e0e0e0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  width: 60px;
  height: 60px;
  border: 5px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  color: var(--white);
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 47, 108, 0.4);
  font-size: 20px;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(0, 47, 108, 0.6);
}

/* Top Bar */
.top-bar {
  background: var(--primary-color);
  color: var(--white);
  padding: 12px 0;
  font-size: 14px;
  text-align: center;
  font-weight: 500;
}

.top-bar a {
  color: var(--white);
  text-decoration: none;
  margin: 0 15px;
  transition: opacity 0.3s;
}

.top-bar a:hover {
  opacity: 0.8;
}

/* Header */
.header {
  background: var(--white);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 999;
}

.header .navbar-brand {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.header .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 10px 20px;
  transition: color 0.3s;
  position: relative;
}

.header .nav-link:hover {
  color: var(--primary-color);
}

.header .nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.header .nav-link:hover::after {
  transform: scaleX(1);
}

.btn-header {
  background: var(--primary-color);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
}

.btn-header:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 47, 108, 0.3);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 25px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero p {
  font-size: 22px;
  margin-bottom: 40px;
  opacity: 0.95;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: var(--white);
  color: var(--primary-color);
  padding: 18px 40px;
  font-size: 18px;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.btn-hero-secondary {
  background: transparent;
  color: var(--white);
  padding: 18px 40px;
  font-size: 18px;
  font-weight: 600;
  border: 2px solid var(--white);
  border-radius: 50px;
  transition: all 0.3s;
}

.btn-hero-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
}

/* Lifecycle Stages Section */
.lifecycle-section {
  padding: 100px 0;
  background: var(--white);
}

.lifecycle-diagram {
  position: relative;
  padding: 60px 0;
}

.stage-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.stage-card {
  background: var(--white);
  border-radius: 15px;
  padding: 35px;
  text-align: center;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  border: 2px solid var(--border-light);
  position: relative;
}

.stage-card::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -30px;
  width: 30px;
  height: 2px;
  background: var(--primary-color);
  transform: translateY(-50%);
}

.stage-card:last-child::before {
  display: none;
}

.stage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 35px rgba(0, 47, 108, 0.2);
  border-color: var(--primary-color);
}

.stage-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 35px;
}

.stage-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.stage-description {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* Content Sections */
.content-section {
  padding: 90px 0;
}

.content-section:nth-child(even) {
  background: var(--bg-light);
}

.section-heading {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 20px;
}

.section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
}

.section-heading.center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subheading {
  font-size: 20px;
  color: var(--text-light);
  margin-bottom: 50px;
}
.d-center{
    display: flex;
    justify-content: center;
    align-items: center;
}

.center .section-subheading {
  margin-left: auto;
  margin-right: auto;
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: var(--white);
  border-radius: 15px;
  padding: 40px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
  border: 1px solid var(--border-light);
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 35px rgba(0, 47, 108, 0.15);
  border-color: var(--accent-color);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 32px;
  margin-bottom: 25px;
}

.feature-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.feature-description {
  color: var(--text-light);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.feature-list li {
  padding: 1px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-list li i {
  color: var(--success-color);
  font-size: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.stats-container {
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: 30px;
}

.stat-icon {
  font-size: 48px;
  margin-bottom: 20px;
  opacity: 0.9;
}

.stat-number {
  font-size: 52px;
  font-weight: 800;
  margin-bottom: 10px;
  display: block;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-label {
  font-size: 18px;
  opacity: 0.9;
  font-weight: 500;
}

/* Benefits Section */
.benefits-section {
  padding: 90px 0;
}

.benefit-row {
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  gap: 50px;
}

.benefit-row:nth-child(even) {
  flex-direction: row-reverse;
}

.benefit-image {
  flex: 1;
  text-align: center;
}

.benefit-image i {
  font-size: 200px;
  color: #002f6c !important;
}

.benefit-content {
  flex: 1;
}

.benefit-number {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.benefit-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.benefit-description {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 25px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-section p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.95;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta {
  background: var(--white);
  color: var(--primary-color);
  padding: 20px 50px;
  font-size: 18px;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
  color: var(--primary-color);
}

.btn-cta i {
  margin-left: 10px;
}


.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  font-size: 18px;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}
.feature-card i{
    font-size: 33px !important;
}

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

/* Responsive */
@media (max-width: 992px) {
  .stage-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stage-card::before {
    display: none;
  }
  
  .benefit-row,
  .benefit-row:nth-child(even) {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 38px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .section-heading {
    font-size: 32px;
  }
  
  .content-section {
    padding: 60px 0;
  }
  
  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-number {
    font-size: 40px;
  }
  
  .cta-section h2 {
    font-size: 36px;
  }
  
  .stage-container {
    grid-template-columns: 1fr;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
}