/* Global Styles */
:root {
  --primary-color: #005792;
  --secondary-color: #00bbf0;
  --accent-color: #f76b1c;
  --light-color: #f2f2f2;
  --dark-color: #333;
}

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #fff;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 25px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

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

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title:after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background-color: var(--secondary-color);
  margin: 15px auto;
}

/* Header */
header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo img {
    height: 28px;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent-color);
}

.mobile-menu {
  display: none;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, rgba(39, 180, 158, 0.8), rgba(0, 187, 240, 0.8)), url('/api/placeholder/1200/600') center/cover no-repeat;
  color: white;
  height: 40vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* About Section */
.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-image {
  flex: 1;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);

  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image img {
  max-width: 100%;
  height: auto;
}


.about-text {
  flex: 1;
}

.about-text h3 {
  margin-bottom: 20px;
  font-size: 2rem;
  color: var(--primary-color);
}

/* Technology Section */
.tech-section {
  background-color: var(--light-color);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.tech-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-10px);
}

.tech-card-image {
  height: 200px;
  background-color: #e9e9e9;
}

.tech-card-content {
  padding: 20px;
}

.tech-card h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Comparison Section */
.comparison-container {
  display: flex;
  gap: 30px;
}

.comparison-column {
  flex: 1;
  padding: 30px;
  border-radius: 8px;
}

.traditional {
  background-color: #f2f2f2;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.seamless {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.comparison-column h3 {
  text-align: center;
  margin-bottom: 20px;
  position: relative;
}

.comparison-column h3:after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--accent-color);
  margin: 10px auto;
}

.comparison-column ul li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.comparison-column ul li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.product-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  height: 250px;
  background-color: #e9e9e9;
}

.product-content {
  padding: 20px;
}

.product-card h3 {
  margin-bottom: 10px;
}

.product-card p {
  margin-bottom: 15px;
  color: #666;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  color: white;
}

.contact-container {
  display: flex;
  gap: 50px;
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  margin-bottom: 20px;
}

.contact-info p {
  margin-bottom: 10px;
}

.contact-form {
  flex: 2;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 4px;
  font-family: inherit;
}

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

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 50px 0 20px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-column h3 {
  margin-bottom: 20px;
  position: relative;
}

.footer-column h3:after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
  margin-top: 10px;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column a {
  color: #ccc;
  transition: color 0.3s ease;
}

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

.copyright {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive */
@media (max-width: 992px) {
  .about-content {
    flex-direction: column;
  }
  
  .contact-container {
    flex-direction: column;
  }
  
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .comparison-container {
    flex-direction: column;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}
.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 20px;
}
.nav-links.active li {
  margin: 10px 0;
}