.kasu-nft {
  --kasu-nft-bg: #f5f6fa;
  --kasu-nft-surface: #ffffff;
  --kasu-nft-surface-muted: #f0f3f8;
  --kasu-nft-ink: #0d1628;
  --kasu-nft-ink-soft: #4b5565;
  --kasu-nft-accent: #0f3d4c;
  --kasu-nft-accent-strong: #0b2f3b;
  --kasu-nft-gold: #c9a15a;
  --kasu-nft-border: #e1e6ef;
  --kasu-nft-shadow: 0 18px 40px rgba(13, 22, 40, 0.08);
  --kasu-nft-shadow-soft: 0 10px 26px rgba(13, 22, 40, 0.06);
  font-family: "Montserrat", "Segoe UI", system-ui, sans-serif;
  color: var(--kasu-nft-ink);
  background: var(--kasu-nft-bg);
}

.kasu-nft *,
.kasu-nft *::before,
.kasu-nft *::after {
  box-sizing: border-box;
}

.kasu-nft a {
  color: inherit;
}

.kasu-nft img {
  max-width: 100%;
  height: auto;
  display: block;
}

.kasu-nft__hero {
  padding: 120px 0 72px;
  background: linear-gradient(130deg, #f8f9fc 0%, #eef2f8 50%, #e8eef7 100%);
  border-bottom: 1px solid var(--kasu-nft-border);
}

.kasu-nft__hero-top {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.kasu-nft__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.kasu-nft__brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--kasu-nft-border);
}

.kasu-nft__brand span {
  font-size: 0.85rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__lang-select {
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--kasu-nft-border);
  background: #ffffff;
  font-weight: 600;
  color: var(--kasu-nft-ink);
  min-width: 190px;
}

.kasu-nft__eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--kasu-nft-accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.kasu-nft__title {
  font-family: "Montserrat", "Segoe UI", system-ui, sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin-bottom: 0.6rem;
}

.kasu-nft__subtitle {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.6rem 0 1.2rem;
}

.kasu-nft__btn {
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kasu-nft__btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--kasu-nft-shadow-soft);
}

.kasu-nft__btn-primary,
.kasu-nft a.kasu-nft__btn-primary {
  background: var(--kasu-nft-ink);
  color: #ffffff;
  border-color: var(--kasu-nft-ink);
}

.kasu-nft__btn-primary:hover,
.kasu-nft__btn-primary:focus,
.kasu-nft__btn-primary:visited,
.kasu-nft a.kasu-nft__btn-primary:hover,
.kasu-nft a.kasu-nft__btn-primary:focus,
.kasu-nft a.kasu-nft__btn-primary:visited {
  background: var(--kasu-nft-accent-strong);
  color: #ffffff;
}

.kasu-nft__btn-secondary {
  background: transparent;
  color: var(--kasu-nft-accent);
  border-color: var(--kasu-nft-accent);
}

.kasu-nft__trust {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  color: var(--kasu-nft-ink-soft);
  font-size: 0.92rem;
}

.kasu-nft__trust li {
  position: relative;
  padding-right: 1.2rem;
}

.kasu-nft__trust li::after {
  content: "";
  position: absolute;
  right: 0.2rem;
  top: 50%;
  width: 1px;
  height: 14px;
  background: var(--kasu-nft-border);
  transform: translateY(-50%);
}

.kasu-nft__trust li:last-child::after {
  display: none;
}

.kasu-nft__hero-media {
  background: #ffffff;
  border-radius: 22px;
  padding: 1.5rem;
  border: 1px solid var(--kasu-nft-border);
  box-shadow: var(--kasu-nft-shadow);
}

.kasu-nft__section {
  padding: 72px 0;
}

.kasu-nft__section--muted {
  background: var(--kasu-nft-surface-muted);
}

.kasu-nft__section-header {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.kasu-nft__section-title {
  font-family: "Montserrat", "Segoe UI", system-ui, sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 0.9rem;
}

.kasu-nft__lead {
  font-size: 1.05rem;
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__prose p {
  color: var(--kasu-nft-ink-soft);
  margin-bottom: 1rem;
}

.kasu-nft__card {
  background: var(--kasu-nft-surface);
  border-radius: 20px;
  padding: 1.6rem;
  border: 1px solid var(--kasu-nft-border);
  box-shadow: var(--kasu-nft-shadow);
}

.kasu-nft__card--highlight {
  border-top: 4px solid var(--kasu-nft-gold);
}

.kasu-nft__card-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.kasu-nft__list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__list li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.8rem;
}

.kasu-nft__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--kasu-nft-gold);
}

.kasu-nft__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.kasu-nft__step {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.4rem;
  border: 1px solid var(--kasu-nft-border);
  box-shadow: var(--kasu-nft-shadow-soft);
}

.kasu-nft__step-number {
  font-weight: 700;
  color: var(--kasu-nft-accent);
  letter-spacing: 0.1em;
  font-size: 0.9rem;
}

.kasu-nft__step-title {
  font-size: 1.15rem;
  margin: 0.6rem 0 0.5rem;
}

.kasu-nft__step p {
  color: var(--kasu-nft-ink-soft);
  margin: 0;
}

.kasu-nft__table-wrapper {
  display: none;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--kasu-nft-border);
  background: #ffffff;
}

.kasu-nft__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.kasu-nft__table th,
.kasu-nft__table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--kasu-nft-border);
  text-align: left;
}

.kasu-nft__table thead th {
  background: #f1f4f9;
  font-weight: 600;
}

.kasu-nft__range-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.kasu-nft__range-card {
  background: #ffffff;
  border: 1px solid var(--kasu-nft-border);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--kasu-nft-shadow-soft);
}

.kasu-nft__range-card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

.kasu-nft__footnotes {
  margin-top: 1.5rem;
  padding-left: 1.2rem;
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__collections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.kasu-nft__collection-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #ffffff;
  border-radius: 20px;
  padding: 1.6rem;
  border: 1px solid var(--kasu-nft-border);
  box-shadow: var(--kasu-nft-shadow);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kasu-nft__collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px rgba(13, 22, 40, 0.12);
}

.kasu-nft__collection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.kasu-nft__collection-year {
  font-size: 1.4rem;
  font-weight: 600;
}

.kasu-nft__badge {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(15, 61, 76, 0.08);
  color: var(--kasu-nft-accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.kasu-nft__badge--muted {
  background: rgba(75, 85, 101, 0.12);
  color: var(--kasu-nft-ink-soft);
}

.kasu-nft__collection-link {
  font-weight: 600;
  color: var(--kasu-nft-accent);
}

.kasu-nft__media-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 1.4rem;
  border: 1px solid var(--kasu-nft-border);
  box-shadow: var(--kasu-nft-shadow);
}

.kasu-nft__faq {
  display: grid;
  gap: 1rem;
}

.kasu-nft__faq details {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--kasu-nft-border);
  padding: 1rem 1.2rem;
  box-shadow: var(--kasu-nft-shadow-soft);
}

.kasu-nft__faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--kasu-nft-ink);
}

.kasu-nft__faq p {
  color: var(--kasu-nft-ink-soft);
  margin: 0.8rem 0 0;
}

@media (min-width: 768px) {
  .kasu-nft__hero-top {
    flex-direction: row;
    align-items: center;
  }

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

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

@media (min-width: 992px) {
  .kasu-nft__hero {
    padding: 140px 0 96px;
  }

  .kasu-nft__steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .kasu-nft__table-wrapper {
    display: block;
  }

  .kasu-nft__range-cards {
    display: none;
  }

  .kasu-nft__collections {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .kasu-nft__hero-media {
    margin-top: 2rem;
  }
}