:root {
  /* Premium Color Palette - Updated to #0000c1 */
  --primary-blue: #0000c1;
  /* Exact Royal Blue requested */
  --primary-accent: #2929ff;
  /* Brighter shade for hover/accents */
  --primary-light: #e6e6ff;
  /* Very light blue for backgrounds */

  --text-main: #1e293b;
  /* Dark slate for main text */
  --text-light: #475569;
  /* Muted slate for secondary text */
  --text-white: #ffffff;

  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-gradient: linear-gradient(135deg, #eff1ff 0%, #ffffff 100%);

  /* Modern Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1.5rem;
  --spacing-md: 3rem;
  --spacing-lg: 6rem;
  --spacing-xl: 8rem;

  /* Refined Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 20px 40px -10px rgba(0, 0, 193, 0.15);
  /* Tinted shadow */

  /* UI Elements */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Open Sans', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  /* Standard width for consistency */
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Header & Nav --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  transition: var(--transition);
}

.header.scrolled .navbar {
  height: 70px;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.header.scrolled .logo-img {
  height: 50px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  /* Ensure items inside UL are centered vertically */
  margin: 0;
  /* Reset default UL margins */
  height: 100%;
  /* Take full height of parent if needed, or just auto */
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
  display: inline-flex;
  /* Better control */
  align-items: center;
  line-height: 1;
  /* Remove excess line-height for precise centering */
}

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

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

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

.nav-link.active {
  color: var(--primary-blue);
  font-weight: 600;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  cursor: pointer;
  color: var(--primary-blue);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-gradient);
  position: relative;
  padding-top: 90px;
}

/* Modern Abstract Decoration */
.hero::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60vh;
  height: 60vh;
  background: radial-gradient(circle, rgba(0, 0, 193, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  filter: blur(40px);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  /* Slightly wider for better balance */
  margin: 0 auto;
  /* Centered hero content usually looks most balanced */
  text-align: center;
  /* Centering hero for symmetry */
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--primary-light);
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--primary-blue);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  background-color: var(--primary-blue);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 14px 0 rgba(0, 0, 193, 0.3);
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
}

.btn:hover {
  background-color: var(--primary-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 193, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-blue);
  box-shadow: none;
  border: 2px solid rgba(0, 0, 193, 0.15);
  margin-left: 0;
  /* Reset for flex gap */
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 193, 0.05);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: none;
}

/* --- Sections Generic --- */
section {
  padding: var(--spacing-xl) 0;
  /* Consistent large padding */
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.section-label {
  color: var(--primary-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
  color: var(--primary-blue);
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-light);
}

/* --- About Section - Adjusted for Geometric Balance --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* 50/50 Split for symmetry */
  gap: 4rem;
  align-items: center;
  /* Center vertically specifically */
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  height: 100%;
  /* Match height visual if possible */
}

.stat-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 200px;
  /* Enforce consistent height */
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1;
}

/* --- Services --- */
.services-section {
  background-color: var(--bg-subtle);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Special Case for 5 items to look balanced visually: 
   Row 1: 3 items
   Row 2: 2 items centered
*/


/* Fallback for smaller screens */
@media (width < 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background: white;
  padding: 3rem 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.03);
  height: 100%;
  /* Equal heights */
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-blue);
  opacity: 0;
  transition: var(--transition);
}

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

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  color: var(--primary-blue);
}

.service-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.service-text {
  color: var(--text-light);
  margin-bottom: 0;
}

/* --- Methodology --- */
.method-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border-top: 4px solid var(--primary-blue);
  /* Top border for vertical consistency */
  box-shadow: var(--shadow-card);
  height: 100%;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (width < 1024px) {
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.method-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--primary-blue);
}

/* --- Mission & Values - Balanced --- */
.mission-section {
  background-color: var(--primary-blue);
  color: white;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-xl) 0;
}

.mission-section-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 60%);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* 50/50 Split */
  gap: 5rem;
  position: relative;
  z-index: 2;
  align-items: start;
}

.mission-section h2,
.mission-section h3 {
  color: white;
}

.mission-text {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.values-list {
  display: grid;
  gap: 1rem;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-icon {
  color: white;
  font-size: 1.25rem;
}

/* --- Contact Section --- */
.contact-section {
  background-color: var(--bg-white);
}

.contact-wrapper {
  background-color: transparent;
  width: 100%;
}

.contact-info {
  background-color: var(--bg-subtle);
  padding: 4rem;
  /* More generous padding */
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* 4 columns for 4 items typically */
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}

.contact-item {
  display: flex;
  flex-direction: column;
  /* Vertical alignment inside items for center look */
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.contact-icon {
  background: white;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-details h5 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--primary-blue);
  font-weight: 700;
}

.contact-details p {
  color: var(--text-light);
  font-size: 1rem;
}

/* --- Footer --- */
.footer {
  background-color: #000020;
  /* Very dark blue close to black */
  color: #94a3b8;
  padding: var(--spacing-lg) 0 2rem;
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.footer-logo {
  /* filter: brightness(0) invert(1); */
  height: 40px;
  width: auto;
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
}

/* --- Responsive --- */
@media (max-width: 968px) {
  .hero-title {
    font-size: 3rem;
  }

  .hero-content {
    text-align: center;
  }

  .about-grid,
  .mission-grid,
  .contact-info,
  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .contact-item {
    flex-direction: row;
    text-align: left;
  }

  .nav-links {
    display: none;
    /* Hide for now, JS toggles it */
  }

  .menu-toggle {
    display: block;
    font-size: 1.5rem;
  }
}

/* --- Animations --- */
/* Enhanced Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fade-in {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}

.fade-in.visible {
  opacity: 1;
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Stagger for grids */
.services-grid>div:nth-child(2) {
  transition-delay: 0.1s;
  animation-delay: 0.1s;
}

.services-grid>div:nth-child(3) {
  transition-delay: 0.2s;
  animation-delay: 0.2s;
}

.services-grid>div:nth-child(4) {
  transition-delay: 0.3s;
  animation-delay: 0.3s;
}

.services-grid>div:nth-child(5) {
  transition-delay: 0.4s;
  animation-delay: 0.4s;
}

.services-grid>div:nth-child(6) {
  transition-delay: 0.5s;
  animation-delay: 0.5s;
}

.stats-grid>div:nth-child(2) {
  transition-delay: 0.1s;
  animation-delay: 0.1s;
}

.stats-grid>div:nth-child(3) {
  transition-delay: 0.2s;
  animation-delay: 0.2s;
}

.stats-grid>div:nth-child(4) {
  transition-delay: 0.3s;
  animation-delay: 0.3s;
}