/* Custom CSS for DFELAB R3CON Website */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary: #00bad2;
  --dark-navy: #002743;
  --light-blue: #eff5fb;
  --dark-gray: #333333;
  --border: #e5e5e5;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark-gray);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

dl, ol, ul {
    margin: 0;
    margin-bottom: 0
}
footer a {
    color: #888;
    text-decoration: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Styles */
.site-header {
  background: var(--dark-navy);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
    max-width: 90%;
    width: 60px
}
  .logo-box {
    height: 120px;                /* Increased height */
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff0f;        /* subtle translucent white (looks clean on dark themes) */
    border-radius: 12px;          /* softer, premium look */
  }
  .logo-img {
    max-height: 80px;             /* uniform logo height */
    width: auto;
    object-fit: contain;
  }

/* Header background */
.site-header {
  background: #002743; /* your dark navy */
  padding: 0.75rem 0;
}

/* Navbar brand logo */
.navbar-brand img {
  height: 42px;
}

/* Main nav links */
.navbar-nav .nav-link {
  color: white !important;
  font-weight: 500;
  padding: 0.75rem 1rem !important;
  transition: color 0.3s;
}

/* Hover + Active styling */
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
}

.navbar-nav .nav-link.active {
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

/* Recreate the spacing (gap: 2rem) */
.navbar-nav {
  display: flex;
  gap: 0rem; /* EXACT same spacing as before */
}

/* Mobile toggle button */
.navbar-toggler {
  border: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='white' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
/* Center mobile menu items vertically */
@media (max-width: 992px) {
  .navbar-nav {
    gap: 0.5rem;
    padding-top: 1rem;
  }

  .navbar-nav .nav-link {
    padding: 0.5rem 0 !important;
  }
}


/* Hero Section */
.hero {
  color: white;
  padding: 8rem 0 6rem;
  text-align: center;
    min-height: 55vh;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.hero .btn-secondary:hover {
    color: #333
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: #009bb8;
  transform: translateY(-2px);
}

.btn-secondary {
  background: white;
  color: var(--dark-navy);
}

.btn-secondary:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--dark-navy);
}

/* Section Styles */
.section {
  padding: 5rem 0;
}

.section-light {
  background: var(--light-blue);
}

.section-dark {
  background: url('public/digital-background-transparent-white-15.png') center/cover no-repeat,
    linear-gradient(rgba(0, 39, 67, 1), rgba(0, 39, 67, 1));
  color: white;
    background-attachment: fixed
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--dark-navy);
}

.section-dark .section-title {
  color: white;
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.section-dark .card {
  background: rgba(0,39,67,.1);
  backdrop-filter: blur(10px);
  color: white;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--dark-navy);
}

.section-dark .card h3 {
  color: white;
}

.card p {
  line-height: 1.7;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--dark-gray);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-navy);
}

/* Footer */
.site-footer {
  background: var(--dark-navy);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary);
}

.footer-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #ccc;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--dark-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 186, 210, 0.1);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.contact-card-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.team-member {
  background: white;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.team-member img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.team-member-info {
  padding: 1.5rem;
}

.team-member h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-navy);
}

.team-member .role {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.process-step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  display: inline-block;
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 60px;
  margin-bottom: 1rem;
}

.process-step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* Table Styles */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  background: white;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.spec-table th,
.spec-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  background: var(--dark-navy);
  color: white;
  font-weight: 600;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

/* FAQ Styles */
.faq-item {
  background: white;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.faq-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--dark-navy);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .card-grid,
  .stats-grid,
  .features-grid,
  .team-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-3 {
  margin-top: 3rem;
}