/* NSEED 공통 스타일 */
:root {
  --nseed-lime: #a6ce39;
  --nseed-blue: #2b74ba;
  --nseed-orange: #ff7a00;
  --bg-dark: #1f2937;
  --bg-darker: #111827;
  --text-white: #ffffff;
  --text-gray: rgba(255, 255, 255, 0.7);
  --text-gray-light: rgba(255, 255, 255, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
  color: var(--text-white);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--nseed-lime);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--nseed-blue);
}

/* 네비게이션 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo .n {
  color: var(--nseed-lime);
}

.logo .seed {
  color: var(--nseed-blue);
}

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

.nav-links a {
  color: var(--text-white);
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* 모바일 메뉴 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

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

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

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem;
    gap: 1rem;
  }
}

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

/* 섹션 */
.section {
  padding: 100px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--nseed-lime);
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

/* 히어로 섹션 */
.hero {
  text-align: center;
  padding-top: 120px;
}

.hero-title {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  color: var(--nseed-lime);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* 버튼 */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

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

.btn-primary:hover {
  background: #95bd33;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(166, 206, 57, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* 카드 */
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--nseed-lime);
  margin-bottom: 0.75rem;
}

.card-description {
  color: var(--text-gray);
  font-size: 0.95rem;
}

/* 그리드 */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .hero-title {
    font-size: 2rem;
  }
}

/* 가격 카드 */
.pricing-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.pricing-card.popular {
  border: 2px solid var(--nseed-lime);
}

.pricing-header {
  padding: 8px;
}

.pricing-body {
  padding: 32px;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: bold;
  color: white;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 4px;
}

.pricing-original {
  font-size: 0.9rem;
  color: var(--text-gray-light);
  text-decoration: line-through;
}

.pricing-discount {
  font-size: 0.9rem;
  color: var(--nseed-lime);
  font-weight: 600;
}

.pricing-features {
  list-style: none;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 24px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--text-gray);
}

.pricing-features li::before {
  content: "✓";
  color: var(--nseed-lime);
  font-weight: bold;
}

/* 폼 */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--nseed-lime);
  box-shadow: 0 0 0 3px rgba(166, 206, 57, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-gray-light);
}

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

/* 푸터 */
.footer {
  background: var(--bg-darker);
  padding: 60px 20px 30px;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-info h3 {
  font-size: 1.25rem;
  color: var(--nseed-lime);
  margin-bottom: 1rem;
}

.footer-info p {
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.8;
}

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

.footer-links a {
  color: var(--text-gray);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--nseed-lime);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: var(--text-gray-light);
  font-size: 0.85rem;
}

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

/* 체크리스트 */
.checklist {
  list-style: none;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--text-gray);
}

.checklist li::before {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(166, 206, 57, 0.2);
  border-radius: 50%;
  color: var(--nseed-lime);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* 키포인트 */
.keypoints {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.keypoint {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.keypoint-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.keypoint-title {
  font-weight: bold;
  color: white;
  margin-bottom: 8px;
}

.keypoint-description {
  font-size: 0.85rem;
  color: var(--text-gray);
}

@media (max-width: 992px) {
  .keypoints {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .keypoints {
    grid-template-columns: 1fr;
  }
}

/* 테이블 */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  overflow: hidden;
}

th, td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
  background: var(--bg-darker);
  font-weight: 600;
  color: white;
}

td {
  color: var(--text-gray);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.05);
}

/* 유틸리티 */
.text-center {
  text-align: center;
}

.text-lime {
  color: var(--nseed-lime);
}

.text-blue {
  color: var(--nseed-blue);
}

.text-orange {
  color: var(--nseed-orange);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }

/* 페이지 콘텐츠 */
.page-content {
  padding-top: 100px;
  padding-bottom: 60px;
}

.content-section {
  margin-bottom: 3rem;
}

.content-section h2 {
  font-size: 1.5rem;
  color: var(--nseed-lime);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-section h3 {
  font-size: 1.2rem;
  color: white;
  margin: 1.5rem 0 0.75rem;
}

.content-section p {
  color: var(--text-gray);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.content-section ul, .content-section ol {
  color: var(--text-gray);
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-section li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

/* 배지 */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-lime {
  background: var(--nseed-lime);
  color: var(--bg-darker);
}

.badge-blue {
  background: var(--nseed-blue);
  color: white;
}