/* ============================================
   K.E.M. Innovations - Main Stylesheet
   ============================================ */

/* CSS Variables - Brand Colors */
:root {
  --navy-dark: #0a1628;
  --navy: #0d1b2a;
  --navy-light: #1b2d44;
  --blue-primary: #0099dd;
  --blue-light: #00b4ff;
  --blue-glow: rgba(0, 153, 221, 0.3);
  --white: #ffffff;
  --gray-100: #f4f6f8;
  --gray-200: #e2e6eb;
  --gray-300: #c5ccd4;
  --gray-600: #6b7280;
  --text-dark: #1a1a2e;
  --text-muted: #4a5568;
  --success: #10b981;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-blue: 0 4px 20px rgba(0, 153, 221, 0.25);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy-dark);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.5rem); }

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

a {
  color: var(--blue-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 0;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo img {
  height: 80px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--gray-200);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-primary);
  transition: width 0.3s ease;
}

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

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

.nav-cta {
  background: var(--blue-primary);
  color: var(--white) !important;
  padding: 0.6rem 1.25rem !important;
  border-radius: 6px;
  font-weight: 600;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--blue-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.nav-cta-secondary {
  background: transparent;
  color: var(--white) !important;
  padding: 0.6rem 1.25rem !important;
  border-radius: 6px;
  border: 2px solid var(--blue-primary);
  font-weight: 600;
}

.nav-cta-secondary::after {
  display: none !important;
}

.nav-cta-secondary:hover {
  background: var(--blue-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, var(--blue-glow) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 153, 221, 0.15) 0%, transparent 40%);
  pointer-events: none;
}

/* Animated grid pattern */
.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 153, 221, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 153, 221, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 153, 221, 0.15);
  border: 1px solid rgba(0, 153, 221, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  color: var(--blue-light);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease 0.1s backwards;
}

.hero h1 span {
  color: var(--blue-primary);
}

.hero-text {
  color: var(--gray-300);
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-image {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  opacity: 0.9;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-53%) translateX(-10px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--blue-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 153, 221, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

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

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

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 5rem 0;
}

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

.section-gray {
  background: var(--gray-100);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-dark .section-header h2 {
  color: var(--white);
}

.section-header p {
  font-size: 1.1rem;
}

.section-dark .section-header p {
  color: var(--gray-300);
}

/* ============================================
   Services Cards
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-primary), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon svg {
  width: 30px;
  height: 30px;
  color: var(--white);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.service-card ul {
  list-style: none;
  margin-top: 1rem;
}

.service-card li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.service-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue-primary);
  font-weight: bold;
}

/* ============================================
   Features / Why Choose Us
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem 1rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: rgba(0, 153, 221, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: 2px solid rgba(0, 153, 221, 0.2);
}

.section-dark .feature-icon {
  background: rgba(0, 153, 221, 0.2);
  border-color: rgba(0, 153, 221, 0.3);
}

.feature-icon svg {
  width: 36px;
  height: 36px;
  color: var(--blue-primary);
}

.feature-item h3 {
  margin-bottom: 0.75rem;
}

.section-dark .feature-item h3 {
  color: var(--white);
}

.feature-item p {
  font-size: 0.95rem;
}

/* ============================================
   Team Section
   ============================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.team-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.team-photo {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-dark));
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-photo-placeholder {
  width: 120px;
  height: 120px;
  background: rgba(0, 153, 221, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-photo-placeholder svg {
  width: 60px;
  height: 60px;
  color: var(--blue-primary);
}

.team-info {
  padding: 1.5rem;
  text-align: center;
}

.team-info h3 {
  margin-bottom: 0.25rem;
}

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

.team-info p {
  font-size: 0.9rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  background: var(--navy-dark);
  border-radius: 12px;
  padding: 2.5rem;
  color: var(--white);
}

.contact-info h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--gray-300);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  width: 45px;
  height: 45px;
  background: rgba(0, 153, 221, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
  color: var(--blue-primary);
}

.contact-item-text h4 {
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.contact-item-text p {
  color: var(--gray-300);
  margin: 0;
  font-size: 0.95rem;
}

.contact-form-container {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-form-container h3 {
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  background: var(--white);
}

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

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ============================================
   Page Headers
   ============================================ */
.page-header {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  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-image: 
    radial-gradient(circle at 30% 70%, var(--blue-glow) 0%, transparent 50%);
  pointer-events: none;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-header p {
  color: var(--gray-300);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--navy-dark);
  color: var(--gray-300);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand img {
  height: 80px;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--gray-300);
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
}

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

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

.footer-links a {
  color: var(--gray-300);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--blue-primary) 0%, #0077aa 100%);
  padding: 4rem 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
  .hero-image {
    display: none;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    width: 100%;
  }
  
  .nav-links a {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: 8rem 0 5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    justify-content: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-blue { color: var(--blue-primary); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }