/* ========================================
   SERVICES SECTION - 서비스 섹션
   ======================================== */

.services {
  padding: var(--space-12) 0;
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  opacity: 0.1;
}

.services__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  position: relative;
  z-index: 2;
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.services__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 4px rgba(15, 23, 42, 0.15);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.services__title .keyword-highlight {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
  animation: keyword-pulse 3s ease-in-out infinite;
  filter: drop-shadow(0 1px 2px rgba(29, 136, 177, 0.3));
}

.services__title .keyword-highlight::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  border-radius: var(--border-radius-full);
  transform: scaleX(0.8);
  transition: transform 0.3s ease;
  box-shadow: 0 2px 4px rgba(29, 136, 177, 0.3);
}

.services__title:hover .keyword-highlight::after {
  transform: scaleX(1);
}

.services__subtitle {
  font-size: var(--font-size-base);
  color: #475569;
  max-width: 100%;
  margin: 0 auto;
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  padding: 0 var(--space-2);
  text-shadow: 0 1px 2px rgba(71, 85, 105, 0.1);
}

.services__scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-top: var(--space-6);
  padding-bottom: var(--space-3);
}

.services__scroll-container::-webkit-scrollbar {
  display: none;
}

.services__scroll-container:active {
  cursor: grabbing;
}

.services__scroll-container * {
  user-select: none;
}

.services__scroll-container .service-card {
  user-select: text;
}

.services__scroll-container.can-scroll::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8));
  pointer-events: none;
  z-index: 1;
}

.services__grid {
  display: flex;
  gap: var(--space-3);
  padding: 0 var(--space-1);
  min-width: max-content;
}

.service-card {
  flex: 0 0 280px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-xl);
  padding: var(--space-4);
  min-height: 280px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: white;
  font-size: var(--font-size-xl);
  box-shadow: 0 4px 16px rgba(29, 136, 177, 0.3);
  transition: all 0.3s ease;
}

.service-card:hover .service-card__icon {
  transform: scale(1.1);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: #0F172A;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.service-card__title .keyword-emphasis {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.service-card:hover .service-card__title .keyword-emphasis {
  animation: keyword-glow 2s ease-in-out infinite;
}

.service-card__title .keyword-emphasis::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  border-radius: var(--border-radius-full);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover .service-card__title .keyword-emphasis::before {
  transform: scaleX(1);
}

.service-card__description {
  font-size: var(--font-size-sm);
  color: #475569;
  line-height: 1.5;
  margin-bottom: var(--space-3);
  flex-grow: 1;
}

.service-card__features {
  margin-bottom: var(--space-4);
}

.service-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: #64748B;
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

.service-card__feature-icon {
  width: 16px;
  height: 16px;
  color: var(--brand-accent);
  flex-shrink: 0;
}

.service-card__cta {
  margin-top: auto;
}

/* ========================================
   RESPONSIVE DESIGN - 반응형 디자인
   ======================================== */

/* 태블릿 (768px 이상) */
@media (min-width: 768px) {
  .services {
    padding: var(--space-16) 0;
  }
  
  .services__container {
    padding: 0 var(--space-6);
  }
  
  .services__header {
    margin-bottom: var(--space-8);
  }
  
  .services__title {
    font-size: var(--font-size-3xl);
  }
  
  .services__subtitle {
    font-size: var(--font-size-lg);
    max-width: 600px;
    padding: 0;
  }
  
  .services__scroll-container {
    margin-top: var(--space-8);
    padding-bottom: var(--space-4);
  }
  
  .services__grid {
    gap: var(--space-4);
    padding: 0 var(--space-2);
  }
  
  .service-card {
    flex: 0 0 320px;
    padding: var(--space-5);
    min-height: 320px;
  }
  
  .service-card__icon {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
  }
  
  .service-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
  }
  
  .service-card__description {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
  }
  
  .service-card__feature {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
  }
  
  .service-card__feature-icon {
    width: 18px;
    height: 18px;
  }
}

/* 데스크톱 (1024px 이상) */
@media (min-width: 1024px) {
  .services {
    padding: var(--space-20) 0;
  }
  
  .services__container {
    padding: 0 var(--space-8);
  }
  
  .services__header {
    margin-bottom: var(--space-10);
  }
  
  .services__title {
    font-size: var(--font-size-4xl);
  }
  
  .services__subtitle {
    font-size: var(--font-size-xl);
    max-width: 700px;
  }
  
  .services__scroll-container {
    margin-top: var(--space-10);
    padding-bottom: var(--space-6);
  }
  
  .services__grid {
    gap: var(--space-6);
    padding: 0 var(--space-4);
  }
  
  .service-card {
    flex: 0 0 360px;
    padding: var(--space-6);
    min-height: 360px;
  }
  
  .service-card__icon {
    width: 64px;
    height: 64px;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-5);
  }
  
  .service-card__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
  }
  
  .service-card__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-5);
  }
  
  .service-card__feature {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
  }
  
  .service-card__feature-icon {
    width: 20px;
    height: 20px;
  }
}

/* 대형 데스크톱 (1440px 이상) */
@media (min-width: 1440px) {
  .services {
    padding: var(--space-24) 0;
  }
  
  .services__container {
    padding: 0 var(--space-10);
  }
  
  .services__title {
    font-size: var(--font-size-5xl);
  }
  
  .services__subtitle {
    font-size: var(--font-size-2xl);
    max-width: 800px;
  }
  
  .service-card {
    flex: 0 0 400px;
    padding: var(--space-8);
    min-height: 400px;
  }
  
  .service-card__icon {
    width: 72px;
    height: 72px;
    font-size: var(--font-size-4xl);
  }
  
  .service-card__title {
    font-size: var(--font-size-3xl);
  }
  
  .service-card__description {
    font-size: var(--font-size-xl);
  }
}

/* 모바일 최적화 (767px 이하) */
@media (max-width: 767px) {
  .services {
    padding: var(--space-12) 0;
  }
  
  .services__scroll-container {
    margin-top: var(--space-6);
    padding-bottom: var(--space-3);
  }
  
  .services__grid {
    gap: var(--space-3);
    padding: 0 var(--space-1);
  }
  
  .services__title {
    font-size: 1.5rem; /* 24px - SEO 최적 크기 */
  }
  
  .services__subtitle {
    font-size: 1rem; /* 16px - SEO 최적 크기 */
  }
  
  .service-card {
    padding: var(--space-4);
    min-height: 280px;
    min-width: 260px;
    max-width: 300px;
  }
  
  .service-card__icon {
    width: 2rem;
    height: 2rem;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
  }
  
  .service-card__title {
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-1);
    padding: 0 var(--space-1);
  }
  
  .service-card__description {
    font-size: 0.75rem; /* 12px - SEO 최소 크기 */
    margin-bottom: var(--space-2);
    padding: 0 var(--space-1);
    line-height: 1.4;
  }
  
  .service-card__feature {
    font-size: 0.75rem; /* 12px - SEO 최소 크기 */
    margin-bottom: var(--space-0-5);
    align-items: flex-start;
    line-height: 1.3;
  }
  
  .service-card__features {
    padding: 0 var(--space-1);
  }
  
  .service-card__feature-icon {
    margin-top: 1px;
    width: 0.75rem; /* 12px - 아이콘 크기 증가 */
    height: 0.75rem; /* 12px - 아이콘 크기 증가 */
  }
  
  .service-card__cta {
    padding: 0 var(--space-1);
  }
}

/* 작은 모바일 (480px 이하) */
@media (max-width: 480px) {
  .services {
    padding: var(--space-10) 0;
  }
  
  .services__scroll-container {
    margin-top: var(--space-4);
    padding-bottom: var(--space-2);
  }
  
  .services__grid {
    gap: var(--space-2);
    padding: 0 var(--space-1);
  }
  
  .services__title {
    font-size: 1.25rem; /* 20px - SEO 최적 크기 */
  }
  
  .services__subtitle {
    font-size: 0.875rem; /* 14px - SEO 최적 크기 */
  }
  
  .service-card {
    padding: var(--space-4);
    min-height: 280px;
    min-width: 240px;
    max-width: 280px;
  }
  
  .service-card__icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem; /* 16px - 아이콘 크기 증가 */
    margin-bottom: var(--space-1);
  }
  
  .service-card__title {
    font-size: 0.875rem; /* 14px - SEO 최적 크기 */
    margin-bottom: var(--space-1);
    padding: 0 var(--space-1);
    line-height: 1.3;
  }
  
  .service-card__description {
    font-size: 0.875rem; /* 14px - SEO 최적 크기 */
    margin-bottom: var(--space-2);
    padding: 0 var(--space-1);
    line-height: 1.4;
  }
  
  .service-card__feature {
    font-size: 0.875rem; /* 14px - SEO 최적 크기 */
    margin-bottom: var(--space-0-5);
    align-items: flex-start;
    line-height: 1.3;
  }
  
  .service-card__features {
    padding: 0 var(--space-1);
  }
  
  .service-card__feature-icon {
    margin-top: 1px;
    width: 0.75rem; /* 12px - 아이콘 크기 증가 */
    height: 0.75rem; /* 12px - 아이콘 크기 증가 */
  }
  
  .service-card__cta {
    padding: 0 var(--space-1);
  }
}

/* ========================================
   ANIMATIONS - 애니메이션
   ======================================== */

@keyframes keyword-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes keyword-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(29, 136, 177, 0.3);
  }
  50% {
    box-shadow: 0 0 15px rgba(29, 136, 177, 0.6);
  }
}