/* ========================================
   제품 페이지 공통 스타일
   ======================================== */

/* 제품별 색상 변수 */
.product-page.vcworks {
  --product-primary: var(--vcworks-primary);
  --product-secondary: var(--vcworks-secondary);
}

.product-page.stworks {
  --product-primary: var(--stworks-primary);
  --product-secondary: var(--stworks-secondary);
}

.product-page.lpworks {
  --product-primary: var(--lpworks-primary);
  --product-secondary: var(--lpworks-secondary);
}

/* 제품 히어로 섹션 */
.product-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient);
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}

/* 파티클 캔버스 스타일 */
.product-hero canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.product-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, var(--product-primary) 0%, transparent 70%);
  opacity: 0.1;
  pointer-events: none;
}

.product-hero-content {
  text-align: center;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.product-logo-large {
  width: 120px;
  height: auto;
  margin-bottom: var(--spacing-lg);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
  object-fit: contain;
}

.product-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--product-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-tagline {
  font-size: var(--font-2xl);
  color: var(--product-primary);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.product-description {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.product-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

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

.product-cta .btn-primary:hover {
  background: var(--product-secondary);
}

/* 특징 섹션 */
.features-overview {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--product-primary), var(--product-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon img {
  width: 50px;
  height: 50px;
  filter: brightness(0) invert(1);
}

.feature-icon i {
  font-size: var(--font-3xl);
  color: white;
}

.feature-title {
  font-size: var(--font-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 주요 기능 상세 섹션 */
.key-features {
  background: var(--bg-primary);
}

/* STworks와 LPworks의 기본 key-feature 스타일 */
.product-page.stworks .key-feature,
.product-page.lpworks .key-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--border-color);
}

.product-page.stworks .key-feature:nth-child(even),
.product-page.lpworks .key-feature:nth-child(even) {
  direction: rtl;
}

.product-page.stworks .key-feature:nth-child(even) > *,
.product-page.lpworks .key-feature:nth-child(even) > * {
  direction: ltr;
}

/* VCworks의 key-feature 스타일은 별도 파일에서 관리 */
.key-feature {
  display: block;
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--border-color);
}

.key-feature:last-child {
  border-bottom: none;
}


.key-feature-content h3 {
  font-size: var(--font-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.key-feature-content .feature-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--product-primary);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font-weight: 700;
  margin-right: var(--spacing-sm);
}

.key-feature-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.key-feature-content ul {
  list-style: none;
  text-align: left;
}

.key-feature-content li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  text-align: left;
}

.key-feature-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--product-primary);
  font-weight: bold;
}

.key-feature-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px var(--shadow-color);
  cursor: zoom-in;
  transition: all var(--transition-base);
}

.key-feature-image:hover {
  transform: scale(1.05);
  box-shadow: 0 30px 50px var(--shadow-color);
  z-index: 10;
}

.key-feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
  object-fit: cover;
}

.key-feature-image:hover img {
  transform: scale(1.5);
}

/* 모달 스타일 추가 */
.key-feature-image::after {
  content: "🔍 클릭하여 확대";
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.key-feature-image:hover::after {
  opacity: 1;
}

/* 스크린샷 갤러리 */
.screenshot-section {
  background: var(--bg-secondary);
}

.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.screenshot-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow-color);
  transition: all var(--transition-base);
  cursor: pointer;
}

.screenshot-item:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 40px var(--shadow-color);
}

.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.screenshot-item:hover .screenshot-caption {
  transform: translateY(0);
}

/* 고객 피드백 섹션 */
.feedback-section {
  background: var(--bg-primary);
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feedback-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
}

.feedback-item::before {
  content: '"';
  font-size: var(--font-5xl);
  color: var(--product-primary);
  opacity: 0.2;
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-lg);
}

/* 사용자 뱃지 스타일은 아래에 정의됨 */

.feedback-comment {
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
}

/* 가격 섹션 */
.pricing-section {
  background: var(--bg-secondary);
  text-align: center;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  max-width: 500px;
  margin: var(--spacing-xl) auto;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--product-primary);
  transform: scale(1.02);
}

.pricing-tag {
  background: var(--product-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 600;
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.pricing-info {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

/* CTA 섹션 */
.product-cta-section {
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.product-cta-content h2 {
  font-size: var(--font-3xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.product-cta-content p {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

/* 원본 product 페이지의 추가 스타일 */

/* Dashboard 섹션 스타일 */
.dashboard-section {
  margin-top: 60px;
  text-align: center;
  padding-top: 100px;
  scroll-margin-top: 64px;
}

.dashboard-section .section-subtitle {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.dashboard-section .section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.dashboard-image {
  margin: 0 auto;
  max-width: 1200px;
}

.dashboard-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dashboard-img:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

/* Pricing 페이지 스타일 */
.pricing-section {
  background: var(--bg-primary);
  min-height: 100vh;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(66, 133, 244, 0.1);
  border-color: rgba(66, 133, 244, 0.3);
}

.pricing-card.featured {
  border-color: rgba(66, 133, 244, 0.5);
  background: rgba(66, 133, 244, 0.05);
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.pricing-amount {
  margin: 1.5rem 0;
}

.pricing-formula {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.pricing-features i {
  color: var(--primary-color);
  font-size: 1rem;
  width: 20px;
  flex-shrink: 0;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card {
    padding: 1.5rem;
  }
}

/* Features Overview 섹션 (3개 핵심 가치) */
.features-overview {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-secondary);
}

.features-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 3rem 2rem;
  width: 100%;
  max-width: 1200px;
  margin: 2rem auto;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--product-primary);
}

.feature-header {
  text-align: center;
  margin-bottom: 2rem;
}

.feature-subtitle {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
}

.feature-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--product-primary);
  margin: 0;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--product-primary), var(--product-secondary));
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(99, 91, 255, 0.3);
}

.feature-icon i {
  font-size: 2.5rem;
  color: white;
}

.feature-icon img {
  max-width: 60%;
  height: auto;
  filter: brightness(0) invert(1);
}

.feature-description {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.8;
  text-align: center;
  color: var(--text-secondary);
}

/* 애니메이션 효과 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}

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

/* ST-VC-LP ERP 다이어그램 섹션 */
.diagram-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-primary);
}

.diagram-section .section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.works-diagram {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 2rem auto 3rem;
}

.works-img {
  max-width: 80%;
  height: auto;
}

.feature-map-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  display: block;
}

/* Benefits 섹션 헤더 스타일 */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  width: 100%;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--product-primary), var(--product-secondary));
  margin: 20px auto 40px;
  border-radius: 2px;
}

.feature-divider {
  width: 80%;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin: 70px auto;
}

.highlight {
  color: #635BFF;
  font-weight: 700;
  -webkit-text-fill-color: initial !important;
}

/* Key Feature 섹션 스타일 */
.benefits-section,
.efficiency-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-primary);
}

.key-feature-section {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  margin: 0 auto 4rem;
  align-items: center;
}

.key-feature {
  max-width: 900px;
  position: relative;
  padding-left: 0;
  width: 100%;
  text-align: center;
  margin: 0 auto;
}

.feature-number {
  font-size: 24px;
  font-weight: 700;
  color: var(--product-primary);
  margin-bottom: 16px;
  display: block;
}

.key-feature-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.key-feature-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

.key-feature-description br {
  display: block;
  content: "";
  margin-top: 0.5em;
}

/* Screenshot 스타일 */
.feature-screenshot {
  width: 100%;
  max-width: 900px;
  margin: 2rem auto;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.feature-visual {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
}

.feature-visual:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.screenshot-image {
  width: 100%;
  display: block;
}

.screenshot-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(99, 91, 255, 0.05) 0%, rgba(99, 91, 255, 0.1) 100%);
  pointer-events: none;
}

/* 인터뷰 스타일 */
.feature-interview {
  width: 100%;
  max-width: 900px;
  margin: 2rem auto;
  background-color: rgba(44, 48, 76, 0.8);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.interview-header {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}

.interview-icon {
  width: 24px;
  height: 24px;
  margin-right: 12px;
}

.interview-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.interview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.interview-grid.single-column {
  grid-template-columns: 1fr;
  max-width: 900px;
  gap: 1.5rem;
}

.interview-grid.single-column .interview-item {
  max-width: 100%;
  margin: 0 auto;
  padding: 20px;
}

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

.interview-item {
  background-color: rgba(27, 27, 36, 0.7);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
  width: 100%;
}

.interview-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* User Badge 스타일 */
.user-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 16px;
  margin-bottom: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: white;
}

/* VC 관련 뱃지 - 보라색 계열 */
.user-badge.vc-management,
.user-badge.vc-reviewer,
.user-badge.vc-key-staff,
.user-badge.vc-senior-reviewer,
.user-badge.vc-partner,
.user-badge.vc-ceo,
.user-badge.vc-accounting,
.user-badge.vc-proposal-manager,
.user-badge.vc-junior-reviewer,
.user-badge.vc-staff,
.user-badge.vc-new-employee {
  background-color: #8a6bc1;
  color: white;
}

/* LP 관련 뱃지 - 파란색 계열 */
.user-badge.lp-manager,
.user-badge.lp-investor {
  background-color: #4a7fd3;
  color: white;
}

/* 스타트업 관련 뱃지 - 녹색 계열 */
.user-badge.startup-ceo,
.user-badge.startup-cfo,
.user-badge.st-founder,
.user-badge.st-executive,
.user-badge.st-manager,
.user-badge.startup-staff {
  background-color: #4caf50;
  color: white;
}

.interview-comment {
  font-size: 1rem;
  line-height: 1.6;
  color: #D8E1ED;
  margin: 0;
}

/* Schedule 섹션 스타일 */
.schedule-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-primary);
}

.development-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 15px;
  background-color: #7185A3;
  border-radius: 5px;
  font-size: 12px;
  color: white;
  font-weight: 300;
  margin-top: 20px;
  align-self: center;
}

.upcoming-features {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 50px;
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.upcoming-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  position: relative;
}

.upcoming-feature-item:not(:last-child)::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.upcoming-feature-item .feature-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upcoming-feature-item .feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.upcoming-feature-item .feature-content {
  flex-grow: 1;
}

.upcoming-feature-item .feature-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
  color: #E6E9F0;
  text-align: left;
  position: relative;
  padding-bottom: 8px;
}

.upcoming-feature-item .feature-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--product-primary);
}

.upcoming-feature-item .feature-description {
  font-size: 14px;
  color: #BCC7D7;
  line-height: 1.6;
  text-align: left;
  padding-left: 5px;
}

/* Contact 섹션 스타일 */
.contact-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-primary);
}

.contact-container {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 40px;
  padding: 20px 0;
}

.contact-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  max-width: 300px;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.contact-icon {
  margin-bottom: 20px;
}

.contact-icon img {
  width: 60px;
  height: 60px;
}

.contact-card h3 {
  color: white;
  font-size: 22px;
  margin-bottom: 15px;
}

.contact-card p {
  color: #BCC7D7;
  margin-bottom: 25px;
  font-size: 16px;
  line-height: 1.5;
}

.contact-btn {
  display: inline-block;
  background-color: var(--product-primary);
  color: white;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  transition: background-color 0.3s;
  border: none;
  cursor: pointer;
}

.contact-btn:hover {
  background-color: var(--product-secondary);
}

.disabled-card {
  position: relative;
  opacity: 0.75;
  filter: grayscale(30%);
  overflow: hidden;
}

.disabled-btn {
  background-color: #6c757d !important;
  cursor: not-allowed;
  opacity: 0.8;
}

.disabled-btn:hover {
  background-color: #6c757d !important;
}

.coming-soon-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #f06, #9f6);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  z-index: 2;
  transform: rotate(5deg);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 0, 102, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(255, 0, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 0, 102, 0); }
}

.contact-info {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 40px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-info-icon img {
  width: 24px;
  height: 24px;
}

.contact-info-item p {
  color: #BCC7D7;
  font-size: 16px;
  margin: 0;
}

.contact-footer {
  text-align: center;
  margin-top: 60px;
  padding-bottom: 60px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.6;
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-page.stworks .key-feature,
  .product-page.lpworks .key-feature {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .product-page.stworks .key-feature:nth-child(even),
  .product-page.lpworks .key-feature:nth-child(even) {
    direction: ltr;
  }
  
  .key-feature-image {
    order: -1;
  }
  
  .interview-grid.two-by-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .product-hero {
    min-height: 100vh;
  }
  
  .product-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .product-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshot-gallery {
    grid-template-columns: 1fr;
  }
  
  .feedback-grid {
    grid-template-columns: 1fr;
  }
  
  .features-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature {
    max-width: 100%;
  }
  
  .works-img {
    max-width: 100%;
  }
  
  .feature-map-image {
    max-width: 100%;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .key-feature-title {
    font-size: 1.5rem;
  }
  
  .interview-grid {
    grid-template-columns: 1fr;
  }
  
  .upcoming-feature-item {
    flex-direction: column;
    gap: 15px;
    background-color: rgba(39, 43, 69, 0.3);
    padding: 20px;
    border-radius: 10px;
  }
  
  .upcoming-feature-item .feature-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto;
  }
  
  .upcoming-feature-item .feature-title {
    font-size: 18px;
    text-align: center;
    padding-bottom: 12px;
  }
  
  .upcoming-feature-item .feature-title::after {
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
  }
  
  .upcoming-feature-item .feature-description {
    font-size: 13px;
    text-align: left;
    padding-left: 0;
  }
  
  .contact-container {
    flex-direction: column;
    align-items: center;
  }
  
  .contact-card {
    padding: 30px 20px;
    max-width: 100%;
  }
  
  .contact-info {
    flex-direction: column;
    gap: 20px;
  }
}