/* ==========================================
   BAE Innovation - Custom Styles
   ========================================== */

/* ==========================================
   CSS Variables & Design Tokens
   ========================================== */
:root {
  /* Brand Colors - Deep Teal/Emerald Scheme */
  --primary-blue: #047857;
  --primary-blue-dark: #065f46;
  --primary-blue-light: #059669;
  --secondary-purple: #0d9488;
  --secondary-purple-dark: #0f766e;
  --accent-cyan: #14b8a6;
  --accent-cyan-dark: #0d9488;

  /* Neutral Colors */
  --dark: #1e293b;
  --dark-light: #334155;
  --light: #f8fafc;
  --light-dark: #e2e8f0;
  --white: #ffffff;

  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--primary-blue) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(4, 120, 87, 0.9) 0%, rgba(13, 148, 136, 0.9) 100%);

  /* Spacing */
  --section-padding: 80px;
  --container-padding: 20px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================
   Global Styles
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--dark-light);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--primary-blue-dark);
}

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

/* ==========================================
   Utility Classes
   ========================================== */
.section-padding {
  padding: var(--section-padding) 0;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
}

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

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-blue);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 18px;
}

.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
}

/* ==========================================
   Cards
   ========================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--light-dark);
  overflow: hidden;
}

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

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 28px;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark);
}

.card-text {
  color: var(--dark-light);
  line-height: 1.7;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  padding: 1rem 0;
}

.navbar.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: 'Poppins', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--dark);
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  transition: var(--transition-base);
  position: relative;
}

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

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

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  color: var(--white);
  overflow: hidden;
}

.hero-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;
}

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

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--white);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 2rem;
  opacity: 0.95;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--dark-light);
  max-width: 700px;
  margin: 0 auto;
}

/* ==========================================
   Service Cards
   ========================================== */
.service-card {
  padding: 2.5rem;
  height: 100%;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--light-dark);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-blue);
}

.service-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 36px;
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark);
}

.service-description {
  color: var(--dark-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--dark-light);
  display: flex;
  align-items: center;
}

.service-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

/* ==========================================
   Team Cards
   ========================================== */
.team-card {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.team-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  object-fit: cover;
  border: 4px solid var(--light);
}

.team-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.team-position {
  color: var(--primary-blue);
  font-weight: 500;
  margin-bottom: 1rem;
}

.team-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.team-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--light);
  color: var(--dark);
  transition: var(--transition-base);
}

.team-social a:hover {
  background: var(--gradient-primary);
  color: var(--white);
  transform: translateY(-3px);
}

/* ==========================================
   Testimonials
   ========================================== */
.testimonial-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  height: 100%;
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--dark-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-info h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--dark);
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--dark-light);
  margin: 0;
}

.testimonial-stars {
  color: var(--warning);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* ==========================================
   Job Cards
   ========================================== */
.job-card {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border-left: 4px solid var(--primary-blue);
}

.job-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.job-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark);
}

.job-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.job-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark-light);
  font-size: 0.875rem;
}

.job-meta-item i {
  color: var(--primary-blue);
}

/* ==========================================
   Contact Form
   ========================================== */
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-control {
  padding: 14px 18px;
  border: 2px solid var(--light-dark);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.1);
  outline: none;
}

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

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 4rem 0 2rem;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: var(--light);
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--primary-blue-light);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  color: var(--light);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
}

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

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  color: var(--white);
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ==========================================
   Stats Section
   ========================================== */
.stats-section {
  background: var(--light);
  padding: 4rem 0;
}

.stat-card {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--dark-light);
  font-weight: 500;
}

/* ==========================================
   Process Steps
   ========================================== */
.process-step {
  text-align: center;
  padding: 2rem;
  position: relative;
}

.process-number {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.process-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark);
}

.process-description {
  color: var(--dark-light);
  line-height: 1.7;
}

/* ==========================================
   Technology Grid
   ========================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.tech-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.tech-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark);
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.fade-in {
  animation: fadeIn 0.6s ease both;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  .hero-section {
    min-height: 80vh;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section-header {
    margin-bottom: 3rem;
  }

  .contact-form {
    padding: 2rem;
  }

  .job-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tech-grid {
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.5rem;
  }

  .service-card,
  .team-card,
  .testimonial-card {
    padding: 1.5rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

/* ==========================================
   Page Specific Styles
   ========================================== */
.page-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::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="grid2" 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(%23grid2)"/></svg>');
  opacity: 0.3;
}

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

.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  color: var(--white);
}

.page-subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
}

.breadcrumb {
  background: transparent;
  padding: 0;
  margin-top: 1rem;
  justify-content: center;
}

.breadcrumb-item {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item.active {
  color: var(--white);
}

.breadcrumb-item+.breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.6);
}