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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #374151;
  background: #fff;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Colors */
.text-blue {
  color: #2563eb;
}

/* Typography */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 1rem;
  text-align: center;
}

@media (min-width: 1024px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 2rem;
  text-align: center;
}

.section-description {
  font-size: 1.25rem;
  color: #6b7280;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

/* Icons */
.icon {
  width: 1.5rem;
  height: 1.5rem;
  stroke-width: 2;
  color: currentColor;
}

.contact-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #2563eb;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-weight: 500;
  text-align: center;
  border-radius: 0;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.btn-outline {
  background: transparent;
  color: #2563eb;
  border-color: #2563eb;
}

.btn-outline:hover {
  background: #2563eb;
  color: #fff;
}

.btn-full {
  width: 100%;
}

/* Header */
.header {
  background: #fff;
  border-bottom: 1px solid #dbeafe;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  background: #2563eb;
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-weight: 700;
  font-size: 1.125rem;
  transition: background 0.3s ease;
}

.logo:hover {
  background: #1d4ed8;
}

/* Navigation */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-weight: 500;
  color: #374151;
  transition: color 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link:hover,
.nav-link.active {
  color: #2563eb;
}

.nav-dropdown {
  position: relative;
}

.dropdown-arrow {
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  min-width: 14rem;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: #374151;
  transition: all 0.3s ease;
}

.dropdown-menu a:hover {
  background: #f3f4f6;
  color: #2563eb;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem;
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn span {
  width: 1.5rem;
  height: 2px;
  background: #374151;
  transition: all 0.3s ease;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid #e5e7eb;
  padding: 1rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  color: #374151;
  border-bottom: 1px solid #f3f4f6;
  transition: all 0.3s ease;
}

.mobile-nav-link:hover {
  background: #f3f4f6;
  color: #2563eb;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
  padding: 5rem 0;
}

@media (min-width: 1024px) {
  .hero {
    padding: 8rem 0;
  }
}

.hero-content {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e3a8a;
  line-height: 1.2;
  margin-bottom: 1rem;
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #6b7280;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: #374151;
  line-height: 1.7;
  max-width: 32rem;
}

.hero-image-container {
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

@media (min-width: 1024px) {
  .hero-image-container {
    padding: 3rem;
    min-height: 400px;
  }
}

.hero-image img {
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: auto;
  object-fit: contain;
}

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

/* Applications Section */
.applications {
  padding: 5rem 0;
  background: #fff;
}

.applications-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (min-width: 768px) {
  .applications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .applications-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.application-card {
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.application-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card-icon {
  width: 4rem;
  height: 4rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  transition: all 0.3s ease;
}

.card-icon .icon {
  width: 2rem;
  height: 2rem;
  color: #2563eb;
}

.application-card:hover .card-icon {
  background: #dbeafe;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1e3a8a;
  margin-bottom: 1rem;
}

.card-description {
  color: #6b7280;
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.card-link {
  color: #2563eb;
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: auto;
}

.card-link:hover {
  color: #1d4ed8;
}

/* About Section */
.about {
  padding: 5rem 0;
  background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
}

.about-content {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.about-image img {
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-text .section-title {
  text-align: left;
}

.about-text .section-subtitle {
  text-align: left;
}

.about-description {
  margin: 1.5rem 0;
}

.about-description p {
  margin-bottom: 1.5rem;
  color: #374151;
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon .icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #2563eb;
}

.stat-label {
  font-size: 0.875rem;
  color: #6b7280;
}

.stat-value {
  font-weight: 600;
  color: #1e3a8a;
}

/* Solutions Section */
.solutions {
  padding: 5rem 0;
  background: #fff;
}

.solutions-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (min-width: 768px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.solution-card {
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 0.5rem;
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.solution-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.solution-icon {
  width: 4rem;
  height: 4rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  transition: all 0.3s ease;
}

.solution-icon .icon {
  width: 2rem;
  height: 2rem;
  color: #2563eb;
}

.solution-card:hover .solution-icon {
  background: #2563eb;
}

.solution-card:hover .solution-icon .icon {
  color: #fff;
}

.solution-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1e3a8a;
  margin-bottom: 1rem;
}

.solution-description {
  color: #6b7280;
  line-height: 1.6;
  flex-grow: 1;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: #fff;
}

.contact-content {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.contact-form-container {
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-title {
  font-size: 1.5rem;
  color: #1e3a8a;
  margin-bottom: 1.5rem;
}

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

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #dbeafe;
  border-radius: 0.375rem;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-info {
  padding: 1rem 0;
}

.contact-info-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 1.5rem;
}

.contact-info-description {
  color: #6b7280;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-details {
  margin-bottom: 2rem;
}

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

.contact-item .contact-icon {
  width: 3rem;
  height: 3rem;
  background: #eff6ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item .contact-icon .icon {
  width: 1.5rem;
  height: 1.5rem;
  color: #2563eb;
}

.contact-content h4 {
  font-weight: 600;
  color: #1e3a8a;
  margin-bottom: 0.25rem;
}

.contact-content a {
  color: #2563eb;
  font-weight: 500;
  transition: color 0.3s ease;
}

.contact-content a:hover {
  color: #1d4ed8;
}

/* Footer */
.footer {
  background: #1e3a8a;
  color: #fff;
  padding: 4rem 0 2rem;
}

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

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-logo {
  background: #fff;
  color: #1e3a8a;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-weight: 700;
  font-size: 1.125rem;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: #bfdbfe;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.make-in-india {
  margin: 1rem 0;
}

.make-in-india img {
  height: 4rem;
  width: auto;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.make-in-india img:hover {
  opacity: 1;
}

.footer-contact {
  margin-top: 1.5rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: #bfdbfe;
}

.footer-contact-item .contact-icon {
  color: #bfdbfe;
  background: none;
  width: 1.25rem;
  height: 1.25rem;
}

.phone-numbers {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact-item a {
  color: #bfdbfe;
  transition: color 0.3s ease;
}

.footer-contact-item a:hover {
  color: #fff;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

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

.footer-links a {
  color: #bfdbfe;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-locations .location {
  margin-bottom: 1rem;
}

.footer-locations h4 {
  font-weight: 500;
  color: #dbeafe;
  margin-bottom: 0.5rem;
}

.footer-locations p {
  color: #bfdbfe;
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid #1e40af;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright p {
  color: #bfdbfe;
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: #bfdbfe;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .applications-grid {
    grid-template-columns: 1fr;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Form validation styles */
.form-group input:invalid,
.form-group textarea:invalid {
  border-color: #ef4444;
}

.form-group input:valid,
.form-group textarea:valid {
  border-color: #10b981;
}

/* Image fallback styles */
.image-fallback {
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  font-size: 0.875rem;
  text-align: center;
  padding: 2rem;
  border-radius: 0.5rem;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}