/* 기본 스타일 */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap");

:root {
  --primary-color: #00a651;
  --primary-dark: #008a43;
  --primary-light: #7fd1a6;
  --primary-gradient: linear-gradient(135deg, #00a651 0%, #00c853 100%);
  --secondary-color: #0288d1;
  --secondary-dark: #01579b;
  --secondary-light: #b3e5fc;
  --secondary-gradient: linear-gradient(135deg, #0288d1 0%, #29b6f6 100%);
  --accent-color: #ffc107;
  --text-color: #263238;
  --text-light: #607d8b;
  --text-lighter: #90a4ae;
  --background-color: #ffffff;
  --background-light: #f5f7fa;
  --background-dark: #263238;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Noto Sans KR", "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
  padding-top: var(--header-height);
}

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

ul {
  list-style: none;
}

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

/* 타이포그래피 */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: var(--primary-light);
  opacity: 0.3;
  z-index: -1;
}

/* 섹션 헤더 */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-badge {
  display: inline-block;
  background: var(--primary-gradient);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 1.5rem auto 0;
}

.section-header.light h2,
.section-header.light p {
  color: white;
}

.section-header.light h2::after {
  background: white;
}

/* 버튼 스타일 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: none;
  font-size: 1rem;
  gap: 0.5rem;
}

.btn i {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.btn:hover i {
  transform: translateX(4px);
}

.primary-btn {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 166, 81, 0.2);
}

.primary-btn:hover {
  box-shadow: 0 6px 16px rgba(0, 166, 81, 0.3);
  transform: translateY(-2px);
}

.secondary-btn {
  background-color: white;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.outline-btn {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.outline-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  opacity: 0.9;
}

.cta-btn {
  background: white;
  color: var(--primary-dark);
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta-btn:hover {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* 섹션 스타일 */
section {
  padding: 6rem 2rem;
  position: relative;
}

/* 헤더 스타일 */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  z-index: 1000;
  height: var(--header-height);
  transition: all 0.3s ease;
}

header.scrolled {
  box-shadow: var(--shadow-lg);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 0;
}

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

.nav-links ul {
  display: flex;
  gap: 2rem;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
}

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

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

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-cta {
  background: var(--primary-gradient);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
}

.nav-cta:hover {
  box-shadow: 0 4px 12px rgba(0, 166, 81, 0.3);
  transform: translateY(-2px);
}

.fa-bars,
.fa-times {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
}

/* 히어로 섹션 스타일 */
.hero {
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden;
  background-color: var(--background-light);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.05) 0%, rgba(2, 136, 209, 0.05) 100%);
  z-index: 1;
}

.hero-content {
  flex: 1;
  padding: 2rem;
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.badge {
  display: inline-block;
  background: var(--primary-gradient);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 166, 81, 0.2);
}

.hero-content h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.hero-content h2 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-color);
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--text-light);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
}

.hero-stats .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.hero-stats .stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.image-container {
  position: relative;
  max-width: 90%;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.tech-dots {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 10;
}

.dot {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0.8;
  animation: pulse 3s infinite;
}

.dot1 {
  top: 55%;
  left: 50px;
  animation-delay: 0s;
}

.dot2 {
  top: 55%;
  right: 15px;
  animation-delay: 1s;
}

.dot3 {
  bottom: 20%;
  left: 30%;
  animation-delay: 2s;
}

.dot4 {
  top: 45%;
  right: 55%;
  animation-delay: 1.5s;
}

.dot5 {
  bottom: 30%;
  left: 10%;
  animation-delay: 2s;
}

.dot6 {
  top: 70%;
  right: -15px;
  animation-delay: 2.5s;
}

.dot7 {
  bottom: 29%;
  left: 45%;
  animation-delay: 3s;
}

.dot8 {
  top: 55%;
  left: 36%;
  animation-delay: 3.5s;
}

.dot9 {
  bottom: 47%;
  right: 40%;
  animation-delay: 4s;
}

.dot10 {
  top: 30%;
  left: 70%;
  animation-delay: 4.5s;
}

.dot11 {
  bottom: 50%;
  left: 20%;
  animation-delay: 5s;
}

.dot12 {
  top: 80%;
  right: 25%;
  animation-delay: 5.5s;
}

.dot13 {
  bottom: 5%;
  left: 45%;
  animation-delay: 6s;
}

.dot14 {
  top: 60%;
  right: 10%;
  animation-delay: 6.5s;
}

.dot15 {
  bottom: 15%;
  left: 35%;
  animation-delay: 7s;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.4;
  }
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
}

/* 주요 기능 섹션 스타일 */
.features {
  padding: 6rem 2rem; /* 여백 부여 */
  background-color: var(--background-light);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300a651' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  z-index: 0;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.feature-card {
  background-color: white;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--primary-gradient);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.1) 0%, rgba(0, 200, 83, 0.1) 100%);
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.feature-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-link {
  color: var(--primary-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-link i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.feature-link:hover i {
  transform: translateX(4px);
}

/* 하드웨어 섹션 스타일 */
.hardware {
  background-color: white;
}

.hardware-content {
  display: flex;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  gap: 5rem;
}

.hardware-image {
  flex: 1;
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hardware-image img {
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}

.hardware-image:hover img {
  transform: scale(1.03);
}

.tech-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.tech-circle {
  position: absolute;
  border-radius: 50%;
  border: 2px dashed rgba(0, 166, 81, 0.3);
  animation: rotate 20s linear infinite;
}

.tech-circle:nth-child(1) {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.tech-circle:nth-child(2) {
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-direction: reverse;
}

@keyframes rotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.tech-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--primary-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

.hardware-details {
  flex: 1;
}

.hardware-details h3 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-color);
  position: relative;
  display: inline-block;
}

.hardware-details h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.tech-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--background-light);
  padding: 1rem;
  border-radius: var(--radius);
  flex: 1;
  min-width: 200px;
}

.spec-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  font-size: 1rem;
}

.spec-text {
  font-weight: 500;
}

.feature-list {
  margin-bottom: 2rem;
}

.feature-list li {
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
}

.feature-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.hardware-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.success-tag {
  background-color: rgba(0, 166, 81, 0.1);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-block;
}

/* 소프트웨어 섹션 스타일 */
.software {
  background-color: var(--background-light);
  position: relative;
  overflow: hidden;
}

.software::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230288d1' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.software-tabs {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  gap: 1rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.5rem;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  color: var(--text-color);
}

.tab-btn i {
  color: var(--primary-color);
  font-size: 1.1rem;
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--primary-gradient);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 166, 81, 0.2);
}

.tab-btn.active i,
.tab-btn:hover i {
  color: white;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
}

.tab-image {
  flex: 1;
  min-width: 300px;
}

.browser-mockup {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: white;
}

.browser-header {
  background-color: #f5f5f5;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.browser-actions {
  display: flex;
  gap: 0.5rem;
  margin-right: 1rem;
}

.browser-actions span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}

.browser-actions span:nth-child(1) {
  background-color: #ff5f56;
}

.browser-actions span:nth-child(2) {
  background-color: #ffbd2e;
}

.browser-actions span:nth-child(3) {
  background-color: #27c93f;
}

.browser-address {
  flex: 1;
  background-color: white;
  border-radius: var(--radius-full);
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
  font-family: "Poppins", sans-serif;
}

.browser-content {
  padding: 1rem;
}

.browser-content img {
  border-radius: var(--radius);
  width: 100%;
}

.tab-details {
  flex: 1;
  min-width: 300px;
}

.tab-details h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-color);
  position: relative;
  display: inline-block;
}

.tab-details h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.tab-details p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.tab-details ul {
  margin-bottom: 2rem;
}

.tab-details li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 2rem;
}

.tab-details li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* AI 서비스 섹션 스타일 */
.ai-services {
  background-color: white;
}

.ai-cards {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.ai-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
  background-color: var(--background-light);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--primary-gradient);
}

.ai-image {
  flex: 1;
  min-width: 300px;
}

.ai-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ai-image img {
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}

.ai-image:hover img {
  transform: scale(1.03);
}

.ai-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--primary-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

.ai-content {
  flex: 1;
  min-width: 300px;
}

.ai-tag {
  display: inline-block;
  background-color: rgba(0, 166, 81, 0.1);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.ai-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.ai-content p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.ai-content ul {
  margin-bottom: 2rem;
}

.ai-content li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 2rem;
}

.ai-content li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* 성과 섹션 스타일 */
.achievements {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("images/logo.png") no-repeat
    center center / cover;
  color: white;
  position: relative;
}

.achievements-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.3) 0%, rgba(2, 136, 209, 0.3) 100%);
  z-index: 1;
}

.achievements .section-header,
.achievement-stats {
  position: relative;
  z-index: 2;
}

.achievement-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
  flex: 1;
  min-width: 200px;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #0c0c0c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.stat-number-percentage {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #0c0c0c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.stat-unit {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-light);
  display: inline-block;
  margin-left: 0.25rem;
}

.stat-label {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* 고객 사례 섹션 스타일 */
.case-study {
  background-color: var(--background-light);
}

.case-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.case-image {
  flex: 1;
  min-width: 300px;
}

.case-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.case-image img {
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}

.case-image:hover img {
  transform: scale(1.03);
}

.case-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--primary-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

.case-details {
  flex: 1;
  min-width: 300px;
}

.case-tag {
  display: inline-block;
  background-color: rgba(0, 166, 81, 0.1);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.case-details h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.case-details p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem 0;
}

.result-item {
  text-align: center;
  flex: 1;
  min-width: 100px;
  background-color: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.result-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.result-label {
  color: var(--text-light);
  font-weight: 500;
}

.case-details ul {
  margin-bottom: 2rem;
}

.case-details li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 2rem;
}

.case-details li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* 문의하기 섹션 스타일 */
.contact {
  background-color: white;
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.contact-form {
  flex: 2;
  min-width: 300px;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-row .form-group {
  flex: 1;
  min-width: 200px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--background-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
}

.form-group textarea {
  resize: vertical;
}

.contact-info {
  flex: 1;
  min-width: 300px;
  background-color: var(--background-light);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--primary-gradient);
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--text-color);
  position: relative;
  display: inline-block;
}

.contact-info h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
  width: 30px;
  text-align: center;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background-color: white;
  color: var(--primary-color);
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

/* CTA 섹션 */
.cta-section {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("images/logo.png") no-repeat center center
    / cover;
  color: white;
  text-align: center;
  padding: 6rem 2rem;
  position: relative;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.3) 0%, rgba(2, 136, 209, 0.3) 100%);
  z-index: 1;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

/* 푸터 스타일 */
footer {
  background-color: var(--background-dark);
  color: white;
  padding: 5rem 2rem 1rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  margin-bottom: 3rem;
}

.footer-info {
  flex: 1.5;
  min-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.footer-logo img {
  height: 40px;
  margin-right: 10px;
}

.footer-logo h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0;
}

.footer-logo span {
  color: var(--primary-light);
}

.footer-info p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
  max-width: 400px;
}

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

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

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  flex: 2;
}

.footer-column {
  flex: 1;
  min-width: 200px;
}

.footer-column h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: white;
  position: relative;
  display: inline-block;
}

.footer-column h4::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.footer-column ul li {
  margin-bottom: 0.8rem;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  max-width: 1400px;
  margin: 0 auto;
}

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

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* 반응형 스타일 */
@media (max-width: 1200px) {
  .hero-content h2 {
    font-size: 3rem;
  }

  .section-header h2 {
    font-size: 2.25rem;
  }

  .hardware-details h3,
  .case-details h3 {
    font-size: 2rem;
  }
}

@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    margin-bottom: 3rem;
    padding: 0;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hardware-content,
  .case-content {
    flex-direction: column;
  }

  .ai-card:nth-child(even) {
    flex-direction: column-reverse;
  }

  .hardware-details h3::after,
  .tab-details h3::after,
  .contact-info h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .hardware-details,
  .tab-details,
  .contact-info {
    text-align: center;
  }

  .feature-list li,
  .tab-details li {
    padding-left: 0;
  }

  .feature-list li::before,
  .tab-details li::before {
    position: static;
    margin-right: 0.5rem;
  }

  .tech-specs {
    justify-content: center;
  }

  .hardware-cta {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    transition: var(--transition);
    z-index: 1001;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links ul {
    flex-direction: column;
    margin-top: 3rem;
  }

  .nav-links li {
    margin: 1rem 0;
  }

  .fa-bars {
    display: block;
  }

  .fa-times {
    display: block;
    position: absolute;
    top: 1rem;
    right: 1rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

  .tab-pane.active {
    flex-direction: column;
  }

  .browser-address {
    display: none;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 1.3rem;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .stat-item {
    min-width: 150px;
  }

  .form-row {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}


@media (max-width: 768px) {
  .mobile-only {
    display: block; /* 모바일에서는 보이게 */
  }
}

@media (min-width: 769px) {
  .mobile-only {
    display: none; /* PC나 태블릿에서는 숨김 */
  }
}

.logo-image {
  width: 5%;
  height: auto;
  margin-bottom: 1rem;
}

.about-main-video {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-lg);
}

/* 홈페이지 상단 좌측 로고 정렬 */
#upperLogo {
  text-decoration: none; /* 밑줄 제거 */
  color: inherit; /* 글자 색 유지 */
  display: flex; /* 이미지와 글자 나란히 */
  align-items: center; /* 수직 정렬 */
}