/* 리셋 및 기본 스타일 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans KR", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

/* 다크모드 관련 CSS 변수 추가 */
:root {
  /* 라이트 모드 (기본) */
  --bg-color: #ffffff;
  --text-color: #333333;
  --card-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.98);
  --border-color: rgba(0, 0, 0, 0.1);
  --section-bg: #fafafa;
  --section-text: #333333;
  --accent-color: #4a3228;
  --hover-color: #8b5e3c;
}

/* 다크모드 CSS 변수 */
[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #ffffff;
  --card-bg: #2d2d2d;
  --header-bg: rgba(26, 26, 26, 0.98);
  --border-color: rgba(255, 255, 255, 0.1);
  --section-bg: #222222;
  --section-text: #ffffff;
  --accent-color: #d4a276;
  --hover-color: #8b5e3c;
}

/* 헤더 스타일 수정 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  padding: 10px 0;
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-btn,
.menu-btn {
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px;
}

/* 메인 비주얼 */
.main-visual {
  height: 100vh;
  background-color: var(--section-bg);
  display: flex;
  align-items: center;
  padding: 0 20px;
  margin-bottom: 80px;
}

.visual-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.visual-content h1 {
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-color);
}

.visual-content p {
  font-size: 1.5rem;
  color: var(--text-color);
  opacity: 0.8;
}

/* 서비스 섹션 */
.service-section {
  padding: 80px 20px;
  background-color: var(--section-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-color);
  opacity: 0.8;
}

.card-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 20px;
}

.card {
  background-color: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-tag {
  display: inline-block;
  padding: 5px 10px;
  background-color: var(--accent-color);
  color: white;
  border-radius: 5px;
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.card-content p {
  color: var(--text-color);
  opacity: 0.8;
  line-height: 1.5;
}

/* 기술 섹션 */
.tech-section {
  padding: 80px 20px;
  background-color: var(--bg-color);
}

.tech-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding: 20px;
}

.tech-item {
  padding: 30px;
  background-color: var(--card-bg);
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s;
}

.tech-item:hover {
  transform: translateY(-5px);
}

.tech-item h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--accent-color);
}

.tech-item p {
  color: var(--text-color);
  opacity: 0.8;
}

/* 다크모드 토글 버튼 */
.dark-mode-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  font-size: 20px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .visual-content h1 {
    font-size: 2.5rem;
  }

  .visual-content p {
    font-size: 1.2rem;
  }

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

/* 네비게이션 우측 버튼 */
.nav-right {
  display: flex;
  gap: 15px;
  align-items: center;
}

.lang-btn,
.menu-btn {
  padding: 8px 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background: none;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s;
}

.lang-btn:hover,
.menu-btn:hover {
  background-color: var(--accent-color);
  color: white;
}

/* 링크 색상 */
.nav-links a:hover {
  color: var(--secondary-color);
}

/* 버튼 스타일 */
.lang-btn,
.menu-btn {
  color: var(--primary-color);
}

/* 섹션 헤더 색상 */
.section-header h2 {
  color: var(--section-text);
}

/* 다크모드 토글 버튼 스타일 */
.dark-mode-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 다크모드에서 텍스트 색상 */
[data-theme="dark"] .nav-links a,
[data-theme="dark"] .card-content h3,
[data-theme="dark"] .card-content p {
  color: var(--text-color);
}

/* 아이콘 표시/숨김 */
[data-theme="dark"] .light-icon,
.dark-icon {
  display: none;
}

[data-theme="dark"] .dark-icon,
.light-icon {
  display: block;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.company-name {
  font-size: 1.2rem;
  font-weight: 500;
}

.company-address p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: #666;
}

.company-address i {
  color: #888;
  width: 20px;
}

.footer-bottom-logo {
  height: 20px;
  width: auto;
  vertical-align: middle;
  margin-right: 0.5rem;
}

.footer {
  padding: 2.5rem 0 0 0;
  background-color: #f8f9fa;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.footer-info {
  flex: 1;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer-logo {
  height: 32px;
  width: auto;
}

.company-name {
  font-size: 1.1rem;
  font-weight: 500;
}

.company-address {
  font-style: normal;
  font-size: 0.9rem;
}

.company-address p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
  color: #666;
}

.company-address i {
  color: #888;
  width: 16px;
}

.footer-right {
  display: flex;
  gap: 3rem;
}

.footer-links h3 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #666;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #333;
}

.social-links {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.social-links a {
  color: #666;
  font-size: 1.2rem;
}

.social-links a:hover {
  color: #333;
}

.footer-divider {
  height: 1px;
  background-color: #e9ecef;
  margin: 2rem 0 0 0;
}

.footer-bottom {
  background-color: #f1f3f5;
  padding: 1rem 0;
}

.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.footer-bottom-logo {
  height: 20px;
  width: auto;
}

.copyright {
  color: #6c757d;
  font-size: 0.85rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
  }

  .footer-right {
    flex-direction: column;
    gap: 1.5rem;
  }

  .social-links {
    justify-content: flex-start;
  }

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