/* ========================================
   Campaign Operation Section
   ======================================== */

.campaign-op {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.campaign-op__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.campaign-op__overlay {
  position: absolute;
  inset: 0;
  background: rgba(40, 35, 52, 0.85);
}

.campaign-op__inner {
  position: relative;
  z-index: 1;
}

.campaign-op__label {
  display: block;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: var(--font-weight-medium);
  color: #CABCF1;
  line-height: 1.4;
  letter-spacing: 0;
  margin-bottom: 16px;
}

.campaign-op__title {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 36px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 16px;
}

.campaign-op__desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #D9D9D9;
  line-height: 24px;
  max-width: none;
  margin-bottom: 60px;
}

.campaign-op__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.campaign-op__step {
  background: #14111C;
  border: 1px solid #444444;
  border-radius: 8px;
  padding: 41px 31px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.05);
}

.campaign-op__step-num {
  display: inline-block;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  color: #29A9FF;
  line-height: 24px;
  margin-bottom: 0;
}

.campaign-op__step-title {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  line-height: 30px;
  margin-bottom: 0;
}

.campaign-op__step-desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #C3C5D9;
  line-height: 24px;
}

/* ========================================
   Cloud PDS Section
   ======================================== */

.pds {
  padding: 100px 0;
  background: var(--color-white);
}

.pds__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
  margin-bottom: 60px;
}

.pds__text .section-label {
  margin-bottom: var(--spacing-sm);
}

.pds__text .section-title {
  margin-bottom: var(--spacing-lg);
}

.pds__description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

.pds__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  transition: background var(--transition-base), transform var(--transition-base);
}

.pds__cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

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

.pds__features {
  border-top: 1px solid var(--color-gray-200);
  padding-top: 40px;
}

.pds__features-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.pds__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.pds__feature {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.pds__feature:nth-child(odd) {
  padding-right: 48px;
  border-right: 1px solid var(--color-gray-200);
}

.pds__feature:nth-child(even) {
  padding-left: 48px;
}

.pds__feature:nth-last-child(-n+2) {
  border-bottom: none;
}

.pds__feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.pds__feature-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   Use CASE Section
   ======================================== */

.usecase {
  position: relative;
  padding: 60px 0;
  overflow: hidden;
}

.usecase__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.usecase__overlay {
  position: absolute;
  inset: 0;
  background: rgba(35, 42, 52, 0.85);
}

.usecase__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.usecase__label {
  display: block;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: var(--font-weight-medium);
  color: #BDE4FF;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: capitalize;
  margin-bottom: 16px; /* label → title */
}

.usecase__title {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 36px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 16px; /* title → desc */
}

.usecase__desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #D9D9D9;
  line-height: 24px;
  margin-bottom: 60px; /* desc → cards */
}

.usecase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
}

.usecase__card {
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

/* 하단 행 카드 (5~8번째) */
.usecase__card:nth-child(n+5) {
  background: rgba(255, 255, 255, 0.9);
}

.usecase__card h4 {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
  color: #222222;
  line-height: 30px;
  margin-bottom: 0;
}

.usecase__card p {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #444444;
  line-height: 24px;
}

/* ========================================
   PAY-AS-YOU-GO Section
   ======================================== */

.payg {
  padding: 60px 0;
  background: var(--color-white);
  scroll-margin-top: 5rem; /* 고정 헤더(80px)와 겹치지 않도록 */
}

.payg__inner {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.payg__header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.payg__header .section-label {
  font-size: 16px;
  font-weight: var(--font-weight-medium);
  color: #29A9FF;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: capitalize;
  margin-bottom: 0;
}

.payg__header .section-title {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 36px;
  font-weight: var(--font-weight-semibold);
  color: #222222;
  line-height: 1.4;
  margin-bottom: 0;
}

.payg__header .section-desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #222222;
  line-height: 24px;
  max-width: none;
}

/* Pricing Cards */
.payg__cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.payg__card {
  position: relative;
  height: 160px;
  border-radius: 12px;
  overflow: hidden;
  padding: 24px 24px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.payg__card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.payg__card-overlay {
  position: absolute;
  inset: 0;
  border-radius: 12px;
}

.payg__card:nth-child(1) .payg__card-overlay { background: rgba(0, 68, 90, 0.4); }
.payg__card:nth-child(2) .payg__card-overlay { background: rgba(90, 78, 0, 0.4); }
.payg__card:nth-child(3) .payg__card-overlay { background: rgba(0, 23, 90, 0.4); }
.payg__card:nth-child(4) .payg__card-overlay { background: rgba(3, 0, 90, 0.7); }
.payg__card:nth-child(5) .payg__card-overlay { background: rgba(42, 0, 90, 0.7); }

.payg__card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  color: #FFFFFF;
}

.payg__card-label {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 18px;
  font-weight: var(--font-weight-medium);
  line-height: 24px;
}

.payg__card-value {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 28px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  text-align: right;
}

/* Responsive — Tablet */
@media (max-width: 1024px) {
  .payg__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Responsive — Mobile */
@media (max-width: 640px) {
  .payg__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .payg__card-value {
    font-size: 22px;
  }
}

/* ========================================
   CTA Banner Section
   ======================================== */

.cta-banner {
  position: relative;
  padding: 68px 0;
  overflow: hidden;
}

.cta-banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-banner__overlay {
  position: absolute;
  inset: 0;
  background: #0a0628;
  opacity: 0.88;
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
}

.cta-banner__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cta-banner__title {
  font-family: 'Montserrat', 'Noto Sans KR', sans-serif;
  font-size: 48px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cta-banner__desc {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.5;
}

.cta-banner__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.cta-banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: #5528D1;
  border: 1px solid #5528D1;
  border-radius: 8px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: #FAFAFA;
  text-decoration: none;
  transition: background var(--transition-base), transform var(--transition-base);
}

.cta-banner__btn:hover {
  background: #4420B0;
  transform: translateY(-2px);
}

/* CTA Banner Responsive — Tablet */
@media (max-width: 960px) {
  .cta-banner__title {
    font-size: 36px;
  }

  .cta-banner__btn {
    font-size: 18px;
  }
}

/* CTA Banner Responsive — Mobile */
@media (max-width: 640px) {
  .cta-banner {
    padding: 48px 0;
  }

  .cta-banner__title {
    font-size: 24px;
  }

  .cta-banner__desc {
    font-size: 14px;
  }

  .cta-banner__btn {
    font-size: 16px;
    padding: 10px 20px;
  }

  .cta-banner__btns {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .cta-banner__btns .cta-banner__btn {
    width: 100%;
  }
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1100px) {
  .campaign-op__steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 960px) {
  .pds__top {
    grid-template-columns: 1fr;
  }

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

  .pds__grid {
    grid-template-columns: 1fr;
  }

  .pds__feature:nth-child(odd) {
    padding-right: 0;
    border-right: none;
  }

  .pds__feature:nth-child(even) {
    padding-left: 0;
  }

  .pds__feature:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--color-gray-200);
  }

  .pds__feature:last-child {
    border-bottom: none;
  }
}

@media (max-width: 640px) {
  .campaign-op__steps {
    grid-template-columns: 1fr;
  }

  .usecase__grid {
    grid-template-columns: 1fr;
  }
}