:root {
  --ps-ink: #111111;
  --ps-muted: #333333;
  --ps-line: #cbd3db;
  --ps-blue-deep: #0b4198;
  --ps-blue-strong: #246cf2;
  --ps-blue-light: #c9ebfb;
  --ps-teal: #2b6678;
  --ps-teal-hover: #1a45d3;
  --ps-panel-bg: #f3f3f3;
  --ps-max: 1200px;
}

.ps-page,
.ps-page *,
.ps-page *::before,
.ps-page *::after {
  box-sizing: border-box;
}

.ps-page {
  overflow: hidden;
  color: var(--ps-ink);
  background: #fff;
  font-family: "Pretendard", "Noto Sans KR", Arial, sans-serif;
  word-break: keep-all;
}

.ps-page h1,
.ps-page h2,
.ps-page h3,
.ps-page p {
  margin-top: 0;
  letter-spacing: 0;
}

.ps-page img {
  display: block;
  max-width: 100%;
  height: auto;
}

.ps-container {
  width: min(calc(100% - 48px), var(--ps-max));
  margin: 0 auto;
}

/* Product bar */
.ps-product-bar {
  border-top: 1px solid var(--ps-line);
  background: #f3f3f3;
}

.ps-product-bar-inner {
  display: flex;
  align-items: center;
  min-height: 88px;
  font-size: 30px;
  font-weight: 600;
}

/* Hero */
.ps-hero {
  color: #fff;
  background: var(--ps-blue-deep);
}

.ps-hero-inner {
  display: grid;
  min-height: 560px;
 grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: 70px;
  align-items: center;
}

.ps-hero-copy {
  max-width: 680px;
}

.ps-hero-copy h1 {
  margin: 0 0 28px;
  color: #fff;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.32;
}

.ps-hero-copy p {
  margin: 0 0 34px;
  color: #fff;
  font-size: 18px;
  line-height: 1.75;
  word-break: keep-all;
}

.ps-hero-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 26px;
  border-radius: 999px;
  color: #fff;
  background: var(--ps-teal);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .2s ease;
}

.ps-hero-btn:hover {
  background: var(--ps-teal-hover);
}

.ps-hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 1.1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

/* Challenge */
.ps-challenge {
  padding: 100px 0;
  background: var(--ps-panel-bg);
}


.cem-banner img {
  display: block;
  width: 100%;
 /*  height: min(520px, 46vw); */
  object-fit: cover;
}

.ps-challenge-inner {

}

.ps-challenge-media img {
  border-radius: 6px;
}

.ps-challenge-copy h2 {
  margin: 0 0 24px;
  font-size: 36px;
  line-height: 1.35;
}

.ps-challenge-copy p {
  margin: 0 0 18px;
  color: var(--ps-muted);
  font-size: 18px;
  line-height: 1.75;
}

.ps-challenge-copy p:last-child {
  margin-bottom: 0;
}

/* Benefits */
.ps-benefits {
  padding: 100px 0;
  text-align: center;
}

.ps-benefits h2 {
  margin: 0 0 64px;
  font-size: 36px;
  line-height: 1.35;
}

.ps-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px 34px;
  text-align: left;
}

.ps-benefit-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.ps-benefit-item h3 {
  margin: 20px 0 14px;
  font-size: 20px;
  line-height: 1.4;
}

.ps-benefit-item p {
  margin: 0;
  color: var(--ps-muted);
  font-size: 18px;
  line-height: 1.75;
  word-break: keep-all;
}

/* Platform features */
.ps-features {
  padding: 100px 0 100px;
}

.ps-features h2 {
  margin: 0 0 42px;
  text-align: center;
  font-size: 36px;
  line-height: 1.35;
}

.ps-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--ps-line);
}

.ps-tab {
  position: relative;
  min-height: 62px;
  padding: 0 8px;
  border: 0;
  color: var(--ps-ink);
  background: transparent;
  font: inherit;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
}

.ps-tab::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: transparent;
  content: '';
}

.ps-tab.is-active::after {
  background: var(--ps-teal);
}

.ps-tab:focus-visible {
  outline: 2px solid var(--ps-blue-strong);
  outline-offset: -4px;
}

.ps-tab-panels {
  min-height: 260px;
}

.ps-tab-panel {
  padding: 48px 0 0;
}

.ps-tab-panel[hidden] {
  display: none;
}

.ps-context-copy {
/*   max-width: 820px; */
}

.ps-context-copy h3 {
  margin: 0 0 20px;
  font-size: 24px;
  line-height: 1.4;
}

.ps-context-copy p {
  margin: 0 0 20px;
  color: var(--ps-muted);
  font-size: 18px;
  line-height: 1.75;
}

.ps-feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ps-feature-list li {
  position: relative;
  margin: 0 0 10px;
  padding-left: 22px;
  color: var(--ps-muted);
  font-size: 18px;
  line-height: 1.7;
}

.ps-feature-list li:last-child {
  margin-bottom: 0;
}

.ps-feature-list li::before {
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ps-blue-strong);
  content: '';
}

/* Value proposition */
.ps-value {
  padding: 80px 0;
  background: #fff;
}

.ps-value-inner {
  display: flex;
  align-items: flex-start;
  gap: 64px;
  max-width: none;
  padding: 50px;
  border-radius: 24px;
  background: var(--ps-blue-strong);
  color: #fff;
  text-align: left;
}

.ps-value-heading {
  flex: 0 0 40%;
}

.ps-value-body {
  flex: 1;
  min-width: 0;
}

.ps-value h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.35;
  font-weight: 600;
}

.ps-value-inner p {
  margin: 0 0 8px;
  color: #fff;
  font-size: 16px;
  line-height: 1.8;
}

.ps-value-inner p strong {
  font-weight: 700;
}

.ps-value-tagline {
  margin-top: 24px !important;
  color: var(--ps-blue-light);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}

/* FAQ */
.ps-faq {
  padding: 100px 0;
}

.ps-faq h2 {
  margin: 0 0 48px;
  text-align: center;
  font-size: 36px;
  line-height: 1.35;
}

.ps-faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.ps-faq-item {
  border-bottom: 1px solid var(--ps-line);
}

.ps-faq-item:first-child {
  border-top: 1px solid var(--ps-line);
}

.ps-faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 4px;
  border: 0;
  background: transparent;
  color: var(--ps-ink);
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.ps-faq-icon {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}

.ps-faq-icon::before,
.ps-faq-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ps-ink);
  content: '';
  transform: translate(-50%, -50%);
  transition: transform .2s ease;
}

.ps-faq-icon::before {
  width: 14px;
  height: 2px;
}

.ps-faq-icon::after {
  width: 2px;
  height: 14px;
}

.ps-faq-item.is-open .ps-faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.ps-faq-answer {
  padding: 0 4px 26px;
}

.ps-faq-answer p {
  margin: 0;
  max-width: 760px;
  color: var(--ps-muted);
  font-size: 17px;
  line-height: 1.75;
}

/* Tech zone */
.ps-tech-zone {
  color: #fff;
  background: var(--ps-blue-strong);
}

.ps-tech-zone-inner {
  display: flex;
  min-height: 300px;
  align-items: center;
  justify-content: space-between;
  padding: 70px 0;
  gap: 60px;
}

.ps-tech-zone h2 {
  margin: 0 0 18px;
  font-size: 36px;
}

.ps-tech-zone p {
  max-width: 620px;
  margin: 0 0 30px;
  font-size: 18px;
  line-height: 1.7;
}

.ps-tech-zone a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 26px;
  border-radius: 22px;
  color: #111111;
  background: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.ps-tech-zone img {
  width: min(30%, 310px);
  height: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .ps-hero-inner {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: 48px;
  }

  .ps-hero-copy h1 {
    font-size: 34px;
  }

  .ps-challenge-inner {
    gap: 40px;
  }

  .ps-benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ps-tab {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .ps-container {
    width: min(calc(100% - 32px), var(--ps-max));
  }

  .ps-product-bar-inner {
    min-height: 64px;
    font-size: 22px;
  }

  .ps-hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .ps-hero-copy {
    max-width: none;
  }

  .ps-hero-copy h1 {
    margin-bottom: 22px;
    font-size: 27px;
  }

  .ps-hero-copy p {
    margin-bottom: 26px;
    font-size: 16px;
  }

  .ps-challenge {
    padding: 60px 0;
  }

  .ps-challenge-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .ps-challenge-copy h2 {
    font-size: 27px;
  }

  .ps-challenge-copy p {
    font-size: 16px;
  }

  .ps-benefits {
    padding: 60px 0;
  }

  .ps-benefits h2 {
    margin-bottom: 40px;
    font-size: 27px;
  }

  .ps-benefit-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ps-features {
    padding-bottom: 60px;
  }

  .ps-features h2 {
    margin-bottom: 40px;
    font-size: 27px;
  }

  .ps-tabs {
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(170px, 1fr));
  }

  .ps-tab {
    min-height: 56px;
    font-size: 15px;
  }

  .ps-context-copy h3 {
    font-size: 20px;
  }

  .ps-context-copy p,
  .ps-feature-list li {
    font-size: 16px;
  }

  .ps-value {
    padding: 48px 0;
  }

  .ps-value-inner {
    flex-direction: column;
    gap: 24px;
    padding: 36px 28px;
    border-radius: 16px;
  }

  .ps-value-heading {
    flex: none;
  }

  .ps-value h2 {
    font-size: 24px;
  }

  .ps-value-inner p {
    font-size: 15px;
  }

  .ps-value-tagline {
    font-size: 17px;
  }

  .ps-faq {
    padding: 60px 0;
  }

  .ps-faq h2 {
    margin-bottom: 32px;
    font-size: 27px;
  }

  .ps-faq-question {
    font-size: 16px;
  }

  .ps-tech-zone-inner {
    flex-direction: column;
    align-items: flex-start;
    min-height: 0;
    padding: 48px 0;
    gap: 28px;
  }

  .ps-tech-zone h2 {
    font-size: 28px;
  }

  .ps-tech-zone p {
    font-size: 16px;
  }

  .ps-tech-zone img {
    align-self: center;
    width: min(60%, 260px);
  }
}
