/* index.css */
* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      --primary: #2B7A9E;
      --primary-dark: #1F3864;
      --primary-light: #E8F4F8;
      --bg-primary: #FFFFFF;
      --bg-secondary: #F8FAFB;
      --bg-tertiary: #EEF3F8;
      --text-primary: #1A2332;
      --text-secondary: #546E7A;
      --text-tertiary: #78909C;
      --border-color: #E0E7ED;
      --accent-orange: #FF8A65;
      --accent-blue: #5C9BD1;
      --success: #4CAF50;
      --warning: #FFA726;
      --card: #586d94e0;
      --card-foreground: #f1f5f9;
      --muted-foreground: #94a3b8;
    }

    body {
      font-family: 'Noto Sans KR', sans-serif;
      color: var(--text-primary);
      background: var(--bg-primary);
      line-height: 1.7;
      overflow-x: hidden;
    }

    /* Hero Section */
    .hero {
      margin-top: 0;
      padding: 120px 32px 80px;
      text-align: center;
      background: linear-gradient(135deg, #F8FCFF 0%, #E8F4F8 100%);
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 800px;
      height: 800px;
      background: radial-gradient(circle, rgba(92, 155, 209, 0.12) 0%, transparent 70%);
      border-radius: 50%;
    }

    .hero-content {
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .hero-badge {
      display: inline-block;
      background: var(--bg-primary);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 8px 20px;
      border-radius: 50px;
      margin-bottom: 32px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 12px rgba(43, 122, 158, 0.1);
      animation: fadeInUp 0.8s ease-out;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .hero h1 {
      font-size: 56px;
      font-weight: 700;
      line-height: 1.2;
      color: var(--text-primary);
      margin-bottom: 24px;
      letter-spacing: -0.03em;
      animation: fadeInUp 0.8s ease-out 0.1s both;
    }

    .hero h1 em {
      font-style: normal;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-subtitle {
      font-size: 20px;
      color: var(--text-secondary);
      margin-bottom: 48px;
      line-height: 1.6;
      animation: fadeInUp 0.8s ease-out 0.2s both;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 0.8s ease-out 0.3s both;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--bg-primary);
      padding: 16px 40px;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.3s;
      border: 2px solid var(--primary);
      box-shadow: 0 4px 12px rgba(43, 122, 158, 0.2);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(43, 122, 158, 0.3);
    }

    .btn-secondary {
      background: var(--bg-primary);
      color: var(--primary);
      padding: 16px 40px;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      border: 2px solid var(--primary);
      transition: all 0.3s;
    }

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

    /* UI Mockup */
    .hero-mockup {
      margin-top: 80px;
      animation: fadeInUp 0.8s ease-out 0.4s both;
    }

    .mockup-window {
      max-width: 900px;
      margin: 0 auto;
      background: var(--bg-primary);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(26, 35, 50, 0.12);
      border: 1px solid var(--border-color);
    }

    .mockup-header {
      background: var(--bg-tertiary);
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid var(--border-color);
    }

    .mockup-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--border-color);
    }

    .mockup-dot:nth-child(1) { background: #FF5F56; }
    .mockup-dot:nth-child(2) { background: #FFBD2E; }
    .mockup-dot:nth-child(3) { background: #27C93F; }

    .mockup-content {
      padding: 40px;
      background: var(--bg-secondary);
    }

    .mockup-dashboard {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 32px;
    }

    .mockup-card {
      background: var(--bg-primary);
      padding: 24px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
    }

    .mockup-card-label {
      font-size: 12px;
      color: var(--text-tertiary);
      margin-bottom: 8px;
      font-weight: 500;
    }

    .mockup-card-value {
      font-size: 28px;
      font-weight: 700;
      color: var(--primary);
      font-family: 'JetBrains Mono', monospace;
    }

    .mockup-list {
      background: var(--bg-primary);
      border-radius: 12px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
    }

    .mockup-list-item {
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
    }

    .mockup-list-item:last-child {
      border-bottom: none;
    }

    .mockup-list-name {
      font-weight: 600;
      color: var(--text-primary);
    }

    .mockup-list-status {
      font-size: 13px;
      padding: 4px 12px;
      border-radius: 6px;
      font-weight: 500;
    }

    .status-active {
      background: #E8F5E9;
      color: #2E7D32;
    }

    .status-pending {
      background: #FFF3E0;
      color: #E65100;
    }

    /* Problem Section */
    .problem-section {
      background: var(--bg-primary);
      color: var(--text-primary);
      padding: 100px 32px;
      border-top: 1px solid var(--border-color);
    }

    .problem-content {
      max-width: 1000px;
      margin: 0 auto;
      text-align: center;
    }

    .section-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .problem-section h2 {
      font-size: 42px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 24px;
      letter-spacing: -0.02em;
    }

    .problem-section p {
      font-size: 18px;
      color: var(--text-secondary);
      line-height: 1.8;
      max-width: 800px;
      margin: 0 auto;
    }

    .problem-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      margin-top: 60px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .stat-item {
      text-align: center;
      padding: 32px;
      background: var(--bg-secondary);
      border-radius: 16px;
      border: 1px solid var(--border-color);
    }

    .stat-number {
      font-size: 48px;
      font-weight: 700;
      color: var(--primary);
      font-family: 'Pretendard', sans-serif;
      margin-bottom: 12px;
    }

    .stat-label {
      font-size: 16px;
      color: var(--text-secondary);
    }

    /* Features Section */
    .features-section {
      padding: 100px 32px;
      background: var(--bg-secondary);
    }

    .features-content {
      max-width: 1200px;
      margin: 0 auto;
    }

    .features-header {
      text-align: center;
      margin-bottom: 80px;
    }

    .features-header h2 {
      font-size: 42px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .features-header p {
      font-size: 18px;
      color: var(--text-secondary);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
    }

    .feature-card {
      background: var(--bg-primary);
      padding: 40px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      transition: all 0.3s;
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
    }

    .feature-card:hover {
      border-color: var(--primary);
      transform: translateY(-8px);
      box-shadow: 0 12px 32px rgba(43, 122, 158, 0.15);
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      background: var(--primary-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 24px;
      font-size: 28px;
    }

    .feature-card h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .feature-card p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* Scenario Section */
    .scenario-section {
      padding: 100px 32px;
      background: var(--bg-primary);
      border-top: 1px solid var(--border-color);
    }

    .scenario-content {
      max-width: 1000px;
      margin: 0 auto;
      text-align: center;
    }

    .scenario-section h2 {
      font-size: 42px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 60px;
      letter-spacing: -0.02em;
    }

    .scenario-flow {
      display: flex;
      align-items: stretch;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 60px;
    }

    .scenario-step {
      flex: 1;
      background: var(--bg-secondary);
      padding: 32px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
    }

    .step-number {
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: var(--bg-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 18px;
      margin: 0 auto 16px;
    }

    .scenario-step h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .scenario-step p {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .flow-arrow {
      font-size: 32px;
      color: var(--primary);
    }

    .scenario-quote {
      background: var(--bg-secondary);
      padding: 40px;
      border-radius: 16px;
      border-left: 4px solid var(--primary);
      text-align: left;
      max-width: 700px;
      margin: 0 auto;
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
    }

    .scenario-quote p {
      font-size: 18px;
      color: var(--text-primary);
      line-height: 1.8;
      font-style: italic;
      margin-bottom: 16px;
    }

    .scenario-quote-author {
      font-size: 14px;
      color: var(--text-tertiary);
      font-weight: 600;
    }

    /* Risk Analysis Section */
    .risk-section {
      padding: 100px 32px;
      background: linear-gradient(135deg, #2B7A9E 0%, #5C9BD1 100%);
      color: var(--bg-primary);
      border-top: 1px solid var(--border-color);
    }

    .risk-content {
      max-width: 1000px;
      margin: 0 auto;
      text-align: center;
    }

    .risk-section h2 {
      font-size: 42px;
      font-weight: 700;
      margin-bottom: 24px;
      letter-spacing: -0.02em;
    }

    .risk-section .section-subtitle {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 60px;
    }

    .risk-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .risk-feature {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      padding: 32px;
      border-radius: 16px;
      text-align: left;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .risk-feature h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--bg-primary);
    }

    .risk-feature p {
      font-size: 15px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.95);
    }

    /* Pricing Section */
    .pricing-section {
      padding: 100px 32px;
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
    }

    .pricing-content {
      max-width: 1200px;
      margin: 0 auto;
    }

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

    .pricing-header h2 {
      font-size: 42px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .pricing-header p {
      font-size: 18px;
      color: var(--text-secondary);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-bottom: 40px;
    }

    .pricing-card {
      background: var(--bg-primary);
      border: 2px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      transition: all 0.3s;
      position: relative;
      box-shadow: 0 2px 8px rgba(26, 35, 50, 0.04);
      display: flex; /*추가*/
      flex-direction: column; /* 요소를 세로로 정렬 */
      height: 100%; /* 모든 카드의 높이를 동일하게 맞춤 */
    }

    .pricing-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 32px rgba(26, 35, 50, 0.12);
      border-color: var(--primary);
    }

    .pricing-card.featured {
      border-color: var(--primary);
      box-shadow: 0 8px 32px rgba(43, 122, 158, 0.2);
      background: var(--primary-light);
    }

    /* Business 엔터프라이즈 톤 — 네이비 강조 + 상단 다크 밴드. SI 견적 영역 시그널.
       overflow:hidden 은 카드 위(top:-12px)로 튀어나오는 .pricing-badge 를 잘라먹어 제외.
       대신 ::before 에 border-radius 로 카드 모서리(16px - border 2px = 14px) 안쪽 처리 */
    .pricing-card.enterprise {
      border-color: #2c3e50;
      box-shadow: 0 8px 32px rgba(44, 62, 80, 0.18);
    }
    .pricing-card.enterprise::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 6px;
      background: linear-gradient(90deg, #1e3a5f, #2c3e50, #34495e);
      border-radius: 14px 14px 0 0;
    }
    .pricing-card.enterprise:hover {
      border-color: #1e3a5f;
    }
    .pricing-badge.enterprise {
      background: #2c3e50;
      color: #fff;
      /* CLAUDE.md: CSS 무한 애니메이션 금지 — Pro 의 floatBadge 차단, 정적 표시 */
      animation: none;
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: var(--bg-primary);
      font-size: 12px;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 50px;
      letter-spacing: 0.05em;
      animation: floatBadge 2s ease-in-out infinite;
    }

    @keyframes floatBadge {
      0% {
        /* 가로 가운데 정렬(translateX(-50%))을 유지하면서 Y축만 조절 */
        transform: translateX(-50%) translateY(0);
      }
      50% {
        transform: translateX(-50%) translateY(-6px);
      }
      100% {
        transform: translateX(-50%) translateY(0);
      }
    }

    .pricing-tier {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-tertiary);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 48px;
      font-weight: 700;
      color: var(--text-primary);
      font-family: 'Pretendard', sans-serif;
      margin-bottom: 8px;
    }

    .pricing-price span {
      font-size: 18px;
      color: var(--text-tertiary);
      font-family: 'Noto Sans KR', sans-serif;
    }

    .pricing-description {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 32px;
      line-height: 1.6;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 32px;
    }

    .pricing-features li {
      padding: 12px 0;
      font-size: 14px;
      color: var(--text-secondary);
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .pricing-features li:last-child {
      border-bottom: none;
    }

    .pricing-features li::before {
      content: '✓';
      color: var(--primary);
      font-weight: 700;
      font-size: 16px;
    }

    .pricing-cta {
      display: block;
      text-align: center;
      padding: 14px 32px;
      background: var(--primary);
      color: var(--bg-primary);
      border-radius: 10px;
      text-decoration: none;
      font-weight: 600;
      font-size: 15px;
      transition: all 0.3s;
      margin-top: auto; /*추가부분*/
    }

    .pricing-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 16px rgba(43, 122, 158, 0.3);
    }

    .pricing-card.featured .pricing-cta {
      background: var(--primary-dark);
    }

    .pricing-card:not(.featured) .pricing-cta {
      background: transparent;
      color: var(--primary);
      border: 2px solid var(--primary);
    }

    .pricing-card:not(.featured) .pricing-cta:hover {
      background: var(--primary-light);
    }

    .pricing-note {
      background: var(--primary-light);
      padding: 24px;
      border-radius: 12px;
      text-align: center;
      font-size: clamp(0.95rem,3vw,1.1rem);
      color: var(--primary-dark);
      font-weight: 600;
      border: 1px solid var(--primary);
    }

    /* ── CONTACT ── */
    #contact {
      background: #FFFFFF;
      padding: 100px 32px;
      width: 100%;
    }

    .section-header {
      max-width: 1200px;
      margin: 0 auto 60px;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    #contact .section-title {
      /* color: white; */
      font-size: 42px;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    @media (max-width: 768px) {
      #contact .section-title {font-size: 1.95rem !important;}
    }

    #contact .section-desc {
      font-size: 18px;
      max-width: 700px;
      margin: 0 auto;
    }

    .contact-layout {
      max-width: 1200px;
      margin: 0 auto;
      display: flex; /* flex로 변경 */
      justify-content: center;
      gap: 24px;
      grid-template-columns: none; /* 기존 그리드 해제 */
    }

    .contact-card {
      background-color: #FFFFFF;
      border: 1px solid #E0E7ED;
      border-radius: 12px;
      padding: 24px;
      position: relative;
      transform: translateY(0);
      transition: all 0.2s cubic-bezier(0.33, 1, 0.68, 1);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
      cursor: pointer;
      flex: 1;
      min-width: 280px;
      max-width: 380px;
    }

    .contact-card:hover {
      background: #FFFFFF;
      transform: translateY(-10px) !important;
      border-color: var(--primary);
      box-shadow: 0 20px 40px -12px rgba(43, 122, 158, 0.3);
    }

    .contact-card-icon {
      font-size: 1.5rem;
      margin-bottom: 10px;
    }

    .contact-card-type {
      font-size: 1.13rem;
      font-weight: 600;
      letter-spacing: 2px;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .contact-card-main {
      font-weight: 700;
      color: var(--white);
      font-size: 1.2rem;
      margin-bottom: 4px;
    }

    .contact-card-sub {
      font-weight: 300;
    }

    /* Form */
    .contact-form {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .form-title {
      font-family: 'Pretendard', sans-serif;
      font-weight: 600;
      font-size: 1.2rem;
      color: var(--white);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.95rem;
      font-weight: 500;
      margin-bottom: 6px;
      letter-spacing: 0.5px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      background: #F8FAFB;
      border: 1px solid #E0E7ED;
      border-radius: 4px;
      padding: 12px 14px;
      color: var(--text-primary);
      font-size: 1rem;
      font-family: 'Pretendard', sans-serif;
      transition: border-color 0.2s, background 0.2s;
      outline: none;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      background: #FFFFFF;
    }

    .form-group select option {
      background: var(--navy-mid);
    }

    .form-group textarea {
      height: 100px;
      resize: vertical;
    }

    .form-submit {
      width: 100%;
      /* background: #2B7A9E; */
      background: var(--primary);
      color: white;
      border: none;
      padding: 14px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      transition: background 0.2s, transform 0.2s;
      font-family: 'Pretendard', sans-serif;
      margin-top: 8px;
    }

    .form-submit:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    .form-note {
      font-size: 0.85rem;
      color: rgba(248, 246, 241, 0.3);
      margin-top: 10px;
      text-align: center;
      font-weight: 300;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    /* Footer */
    footer {
      background: var(--bg-primary);
      color: var(--text-secondary);
      padding: 60px 32px 32px;
      border-top: 1px solid var(--border-color);
    }

    .footer-content {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      margin-bottom: 40px;
    }

    .footer-brand {
      max-width: 400px;
    }

    .footer-logo {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

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

    .footer-tagline {
      font-size: 16px;
      color: var(--text-tertiary);
      margin-bottom: 8px;
    }

    .footer-links {
      display: flex;
      gap: 80px;
    }

    .footer-column h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .footer-column ul {
      list-style: none;
    }

    .footer-column ul li {
      margin-bottom: 12px;
    }

    .footer-column ul li a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-column ul li a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 32px;
      padding-right: 100px;
      text-align: right;
      font-size: 13px;
      color: var(--text-tertiary);
    }

    /* Chat Widget */
    .chat-widget {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      z-index: 1500;
    }

    .chat-button {
      width: 3.5rem;
      height: 3.5rem;
      border-radius: 50%;
      background-color: var(--accent-blue);
      color: var(--bg-primary);
      border: none;
      cursor: pointer;
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
    }

    .chat-button:hover {
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
      transform: scale(1.1);
    }

    .chat-button svg {
      width: 1.5rem;
      height: 1.5rem;
    }

    .chat-popup {
      position: absolute;
      bottom: 100%;
      right: 0;
      margin-bottom: 0.75rem;
      background-color: var(--card);
      border: 1px solid var(--border);
      border-radius: 0.5rem;
      padding: 1rem;
      width: 18rem;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }

    .chat-widget:hover .chat-popup {
      opacity: 1;
      pointer-events: auto;
    }

    .chat-popup p:first-child {
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: white;
    }

    .chat-popup p:nth-child(2) {
      font-size: 0.875rem;
      color: white;
      margin-bottom: 0.75rem;
    }

    .chat-popup p:last-child {
      font-size: 0.75rem;
      color: white;
    }

    /* 모달 스타일 */
    .modal {
      display: none; /* 기본은 숨김 */
      position: fixed;
      z-index: 2000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      /* background-color: rgba(0, 0, 0, 0.5); */
      background: rgba(15, 23, 42, 0.9); /* 배경 어둡게 */
      backdrop-filter: blur(4px);
      align-items: center;
      justify-content: center;
      animation: fadeIn 0.3s ease-out;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .modal.active {
      display: flex; /* 클래스가 active일 때만 보임 */
    }

    .modal-content {
      background-color: var(--bg-primary);
      padding: 40px;
      border-radius: 24px;
      width: 90%;
      max-width: 1000px;
      position: relative;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
      animation: modalFadeIn 0.3s ease-out;
    }

    @keyframes modalFadeIn {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .close-modal {
      position: absolute;
      right: 24px;
      top: 20px;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-tertiary);
      background: none;
      /* transition: color 0.2s, transform 0.2s; */
    }

    .close-modal:hover {
      color: var(--primary);
      background: var(--bg-secondary);
      transform: rotate(90deg);
    }

    .faq-list-modal {
      display: block !important; /* 확실히 보이게 설정 */
      margin-top: 20px;
    }

    .faq-modal-title {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 24px;
      color: var(--text-primary);
    }

    .faq-item-modal {
      margin-bottom: 20px;
      padding: 15px;
      border-bottom: 1px solid var(--border-color);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .faq-item-modal:hover {
      border-color: var(--primary);
      background: var(--primary-light);
    }

    .faq-item-modal:last-child { border-bottom: none; }

    .faq-item-modal h4 {
      color: var(--text-primary);
      margin-bottom: 8px;
      font-size: 18px;
      font-weight: 700;
      justify-content: space-between;
    }

    .faq-item-modal h4 ::after{
      content: '+';
      /* align-items: right; */
      font-size: 12px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item-modal p {
      overflow: hidden;
      max-height: 0;
      color: var(--text-secondary);
      transition: all 0.4s cubic-bezier(0, 1, 0, 1);
      font-size: 15px;
      line-height: 1.6;
      opacity: 0;
    }

    .faq-item-modal.open{
      background-color: #eef3f8;
      padding: 20px;
    }

    .faq-item-modal.open h4{
      margin-bottom: 15px;
    }

    .faq-item-modal.open h4::after{
      content: '-';
      transform: rotate(180deg);
    }

    .faq-item-modal.open p {
      max-height: 500px;
      opacity: 1;
      transition: all 0.4s cubic-bezier(1, 0, 1, 0);
      margin-top: 10px;
    }

    .modal-body{
      max-height: 400px;
      overflow-y: auto;
      text-align: center;
      max-width: 1000px;
    }

    .modal-title {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 24px;
      color: var(--text-primary);
      text-align: center;
    }

    .modal-title p{
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-top: 8px;
      text-align: center;
    }

    .list-modal {
      display: block !important; /* 확실히 보이게 설정 */
      margin-top: 20px;
    }

    .list-modal h2 {
      color: var(--text-primary);
      margin-top: 10px;
      margin-bottom: 5px;
      font-size: 21px;
      font-weight: 700;
      justify-content: space-between;
    }

    .list-modal h4 {
      color: var(--text-primary);
      margin-top: 10px;
      margin-bottom: 5px;
      font-size: 18px;
      font-weight: 700;
      justify-content: space-between;
    }

    .list-modal h3 {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.6;
    }

    .list-modal a {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.6;
      margin-left: 15px;
    }

    .list-modal p {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.6;
      margin-left: 15px;
    }

    /* Scroll Reveal Animation */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
    }

    .reveal.active {
      opacity: 1;
      transform: translateY(0);
      transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

    .reveal-delay-1.active { transition-delay: 0.1s; }
    .reveal-delay-2.active { transition-delay: 0.2s; }
    .reveal-delay-3.active { transition-delay: 0.3s; }
    .reveal-delay-4.active { transition-delay: 0.4s; }
    .reveal-delay-5.active { transition-delay: 0.5s; }
    .reveal-delay-6.active { transition-delay: 0.6s; }

    /* Responsive */
    @media (max-width: 768px) {
      h2{font-size: 2.3rem !important; line-height: 1.3;}
      .hero h1 {
        font-size: 36px;
      }

      .hero-subtitle {
        font-size: 16px;
      }

      .features-grid,
      .pricing-grid {
        grid-template-columns: 1fr;
      }

      .mockup-dashboard {
        grid-template-columns: 1fr;
      }

      .problem-stats {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .scenario-flow {
        flex-direction: column;
      }

      .flow-arrow {
        transform: rotate(90deg);
      }

      .risk-features {
        grid-template-columns: 1fr;
      }

      .footer-content {
        flex-direction: column;
        gap: 40px;
      }

      .footer-links {
        flex-direction: column;
        gap: 32px;
      }
      .footer-bottom{
        padding: 10px 0;
        text-align: center;
      }

      .contact-layout {
        flex-direction: column !important;
      }

      .hero-trust-strip { gap: 6px; }
      .trust-sep { display: none; }

      .pricing-free-callout { font-size: 13px; padding: 14px 16px; }
    }

    /* ── Hero 트러스트 스트립 ── */
    .hero-trust-strip {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 20px;
      animation: fadeInUp 0.8s ease-out 0.4s both;
    }
    .hero-trust-strip .trust-item {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 13px;
      font-weight: 600;
      color: #2E7D32;
    }
    .hero-trust-strip .trust-item::before {
      content: '✓';
      font-size: 14px;
      font-weight: 700;
    }
    .hero-trust-strip .trust-sep {
      color: var(--border-color);
      font-size: 14px;
    }

    /* ── 프라이싱 FREE 강조 ── */
    .pricing-free-callout {
      background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
      border: 1px solid #A5D6A7;
      border-radius: 12px;
      padding: 16px 28px;
      margin-bottom: 40px;
      text-align: center;
      font-size: 15px;
      color: #1B5E20;
      line-height: 1.7;
    }
    .pricing-free-callout strong { color: #1B5E20; }

    .pricing-free-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: #43A047;
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 50px;
      letter-spacing: 0.05em;
      white-space: nowrap;
    }
    .pricing-card.free-highlight {
      border-color: #A5D6A7;
      box-shadow: 0 4px 20px rgba(67, 160, 71, 0.15);
    }
    .pricing-card.free-highlight:hover {
      border-color: #43A047;
      box-shadow: 0 12px 32px rgba(67, 160, 71, 0.2);
    }
    .free-price {
      color: #2E7D32 !important;
    }