.dmt-wrap {
  --dmt-color-primary: #0a5963;
  --dmt-color-border: #e0e0e0;
  --dmt-color-bg-panel: #fafcfd;
  --dmt-color-text: #111111;
  --dmt-color-text-muted: #3d3d3d;
  --dmt-color-white: #ffffff;
  --dmt-radius-lg: 14px;
  --dmt-radius-md: 8px;
  --dmt-font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --dmt-container-max: 1200px;
  --dmt-tab-gap: 6px;
  --dmt-panel-padding: 28px;
  --dmt-content-gap: 28px;

  display: flex;
  justify-content: center;
  width: 100%;
  font-family: var(--dmt-font-family);
  color: var(--dmt-color-text);
  -webkit-font-smoothing: antialiased;
}

.dmt-wrap *,
.dmt-wrap *::before,
.dmt-wrap *::after {
  box-sizing: border-box;
}

.dmt-wrap .course-tab {
  width: 100%;
  max-width: var(--dmt-container-max);
  border: 1px solid var(--dmt-color-border);
  border-radius: var(--dmt-radius-lg);
  padding: 18px;
  background: var(--dmt-color-white);
}

.dmt-wrap .course-tab__nav {
  display: flex;
  gap: var(--dmt-tab-gap);
  margin-bottom: 10px;
}

.dmt-wrap .course-tab__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 46px;
  padding: 7px 8px;
  border: 1px solid var(--dmt-color-border);
  border-radius: var(--dmt-radius-md);
  background: var(--dmt-color-white);
  color: var(--dmt-color-text);
  font-family: var(--dmt-font-family);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.dmt-wrap .course-tab__btn:hover:not(.is-active) {
  border-color: #ccc;
  background: #fafafa;
}

.dmt-wrap .course-tab__btn.is-active {
  background: var(--dmt-color-primary);
  border-color: var(--dmt-color-primary);
  color: var(--dmt-color-white);
}

.dmt-wrap .course-tab__btn-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  objdmt-fit: contain;
}

.dmt-wrap .course-tab__btn:not(.is-active) .course-tab__btn-icon {
  filter: brightness(0) saturate(100%) invert(30%) sepia(40%) saturate(500%) hue-rotate(140deg) brightness(90%) contrast(95%);
}

.dmt-wrap .course-tab__btn.is-active .course-tab__btn-icon {
  filter: brightness(0) invert(1);
}

.dmt-wrap .course-tab__panel {
  display: none;
  background: var(--dmt-color-bg-panel);
  border-radius: var(--dmt-radius-lg);
  padding: var(--dmt-panel-padding);
}

.dmt-wrap .course-tab__panel.is-active {
  display: block;
}

.dmt-wrap .course-tab__panel[hidden] {
  display: none !important;
}

.dmt-wrap .course-tab__content {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: var(--dmt-content-gap);
  align-items: stretch;
}

.dmt-wrap .course-tab__media {
  border-radius: var(--dmt-radius-lg);
  overflow: hidden;
  min-height: 100%;
}

.dmt-wrap .course-tab__image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  objdmt-fit: cover;
  border-radius: var(--dmt-radius-lg);
}

.dmt-wrap .course-tab__info {
  display: flex;
  flex-direction: column;
}

.dmt-wrap .course-tab__title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dmt-color-text);
  letter-spacing: -0.04em;
  margin: 0;
}

.dmt-wrap .course-tab__accent {
  width: 34px;
  height: 3px;
  background: var(--dmt-color-primary);
  border-radius: 2px;
  margin-top: 8px;
  margin-bottom: 16px;
}

.dmt-wrap .course-tab__desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--dmt-color-text-muted);
  margin: 0 0 20px;
  height: 8rem;
  flex-shrink: 0;
}

.dmt-wrap .course-tab__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.dmt-wrap .course-tab__grid-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-height: 50px;
  padding: 8px 12px;
  background: var(--dmt-color-white);
  border: 1px solid var(--dmt-color-border);
  border-radius: var(--dmt-radius-md);
  text-align: left;
}

.dmt-wrap .course-tab__grid-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  objdmt-fit: contain;
  filter: brightness(0) saturate(100%) invert(30%) sepia(40%) saturate(500%) hue-rotate(140deg) brightness(90%) contrast(95%);
}

.dmt-wrap .course-tab__grid-item span {
  font-size: 12.8px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--dmt-color-text);
}

.dmt-wrap .course-tab__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 20px;
  background: var(--dmt-color-primary);
  border: none;
  border-radius: var(--dmt-radius-md);
  color: var(--dmt-color-white);
  font-family: var(--dmt-font-family);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.dmt-wrap .course-tab__cta:hover {
  background: #084952;
  color: var(--dmt-color-white);
}

.dmt-wrap .course-tab__cta-arrow {
  flex-shrink: 0;
}

@media (max-width: 960px) {
  .dmt-wrap .course-tab__nav {
    flex-wrap: wrap;
  }

  .dmt-wrap .course-tab__btn {
    flex: 1 1 calc(33.333% - 6px);
    min-width: 120px;
  }

  .dmt-wrap .course-tab__content {
    grid-template-columns: 1fr;
  }

  .dmt-wrap .course-tab__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .dmt-wrap .course-tab__btn {
    flex: 1 1 100%;
  }

  .dmt-wrap .course-tab__grid {
    grid-template-columns: 1fr;
  }

  .dmt-wrap .course-tab__title {
    font-size: 24px;
  }
}