:root {
  --primary-color: #ff0000;
  --secondary-color: #065fd4;
  --text-color: #333;
  --light-bg: #f9f9f9;
  --dark-bg: #282828;
  --border-radius: 6px;
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--light-bg);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 헤더 스타일 */
header {
  background-color: #fff;
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

header.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo i {
  color: var(--primary-color);
  font-size: 30px;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

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

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

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 25px;
  position: relative;
}

/* 메인 콘텐츠 스타일 */
main {
  padding: 20px 0;
}

section {
  margin-bottom: 60px;
  padding: 40px 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 15px;
  text-align: center;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #666;
}

h3 {
  margin-bottom: 15px;
  color: #111;
}

p {
  margin-bottom: 20px;
}

/* 히어로 섹션 */
.hero {
  padding: 60px 0;
  background-color: #fff;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-content {
  flex: 1;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

/* 카드 스타일 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background-color: #fff;
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-icon {
  margin-bottom: 20px;
  font-size: 40px;
  color: var(--secondary-color);
}

.card h3 {
  margin-bottom: 15px;
}

.card p {
  color: #666;
}

/* 스텝 스타일 */
.steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-number {
  background-color: var(--secondary-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

/* 코드 블록 스타일 */
pre {
  background-color: var(--dark-bg);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 20px 0;
  overflow-x: auto;
  position: relative;
}

code {
  color: #eee;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.copy-btn.copied {
  background-color: #4caf50;
}

/* 버튼 스타일 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

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

.btn-outline {
  border: 2px solid var(--secondary-color);
  color: var(--secondary-color);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 팁 박스 스타일 */
.tip {
  background-color: #e3f2fd;
  border-left: 4px solid var(--secondary-color);
  border-radius: 4px;
  padding: 20px;
  display: flex;
  gap: 15px;
  margin: 30px 0;
}

.tip i {
  color: var(--secondary-color);
  font-size: 24px;
}

.tip h4 {
  margin-bottom: 10px;
}

/* 푸터 스타일 */
footer {
  background-color: var(--dark-bg);
  color: #fff;
  padding: 30px 0;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  color: #fff;
  font-size: 20px;
  transition: var(--transition);
}

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

/* 반응형 디자인 */
@media (max-width: 992px) {
  .hero .container {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
  }
  
  nav ul.nav-links {
    position: fixed;
    top: 70px;
    right: -300px;
    width: 300px;
    height: calc(100vh - 70px);
    background-color: #fff;
    flex-direction: column;
    padding: 30px;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 100;
  }
  
  nav ul.nav-links.show {
    right: 0;
  }
  
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .step {
    flex-direction: column;
  }
}

/* 설치 탭 스타일 */
.install-wrapper {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.install-tabs {
  display: flex;
  background-color: #f1f1f1;
}

.install-tabs button {
  flex: 1;
  padding: 15px;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.install-tabs button.active {
  background-color: var(--secondary-color);
  color: white;
}

.install-content {
  display: none;
  padding: 20px;
}

.install-content.active {
  display: block;
}

/* API 목록 스타일 */
.api-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.api-item {
  background-color: #fff;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--box-shadow);
}

/* FAQ 스타일 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.1rem;
}

.faq-question i {
  transition: var(--transition);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  padding: 0 20px 20px;
  max-height: 1000px;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}