/* Scoped HSK1 2.0 refinements. Course content and behavior remain unchanged. */
.hsk1-page .hsk1-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(13, 45, 31, 0.96) 0%, rgba(16, 53, 37, 0.88) 42%, rgba(18, 58, 41, 0.54) 72%, rgba(18, 58, 41, 0.3) 100%),
    linear-gradient(180deg, rgba(9, 35, 24, 0.08), rgba(9, 35, 24, 0.34)),
    url("../images/hsk1-chengdu-red-wall-1200.webp?version=20260802-chengdu-red-wall") center 66% / cover no-repeat;
}

.hsk1-page .hsk1-hero::after {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 38%, transparent 0 24%, rgba(9, 35, 24, 0.14) 76%);
  content: "";
  pointer-events: none;
}

.hsk1-page .hsk1-hero .container {
  padding: clamp(4.8rem, 8vw, 6.8rem) 0 clamp(3.8rem, 6vw, 5.2rem);
}

.hsk1-page .hsk1-hero__content {
  position: relative;
  z-index: 1;
}

.hsk1-page .hsk1-hero__copy {
  max-width: 720px;
}

.hsk1-page .hsk1-hero h1 {
  max-width: 680px;
}

.hsk1-page .hsk1-hero .lead {
  max-width: 660px;
}

.hsk1-page .hsk1-hero-price {
  padding: 0.9rem 1.05rem;
  background: rgba(8, 35, 24, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(5, 28, 18, 0.12);
  backdrop-filter: blur(3px);
}

.hsk1-page .hsk1-first-step .media-split {
  grid-template-columns: minmax(0, 1.14fr) minmax(250px, 0.62fr);
  gap: clamp(2rem, 4.5vw, 3.8rem);
}

.hsk1-page .hsk1-first-step__book {
  width: min(100%, 365px);
  justify-self: end;
}

.hsk1-page .hsk1-first-step__book img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  max-height: 455px;
  object-fit: contain;
}

.hsk1-page .hsk1-first-step__book figcaption {
  padding: 0.7rem 0.85rem;
  font-size: 0.84rem;
}

.hsk1-page .hsk1-course-preview-section .section-heading {
  max-width: 690px;
}

.hsk1-page .course-preview {
  width: min(100%, 1080px);
  margin-inline: auto;
  gap: clamp(0.85rem, 1.8vw, 1.2rem);
}

.hsk1-page .course-preview .preview-card {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(21, 63, 44, 0.055);
}

.hsk1-page .course-preview .preview-media {
  --preview-media-height: 210px;
  padding: 0.4rem;
  background: #f7f4ec;
}

.hsk1-page .course-preview .preview-media img {
  object-fit: contain;
  background: var(--white);
}

.hsk1-page .course-preview .preview-media.book img {
  width: 68%;
}

.hsk1-page .course-preview .preview-card h3 {
  padding: 0.85rem 0.95rem 0.25rem;
  font-size: 1.05rem;
}

.hsk1-page .course-preview .preview-card > p {
  padding: 0 0.95rem 0.95rem;
  font-size: 0.86rem;
}

.hsk1-page .hsk1-enrollment-update {
  padding-block: clamp(1.8rem, 3vw, 2.7rem);
}

.hsk1-page .hsk1-enrollment-update .container {
  width: min(100% - 32px, 1060px);
}

.hsk1-page .hsk1-enrollment-update .launch-status-notice {
  padding: clamp(1.15rem, 2.4vw, 1.55rem);
  background: linear-gradient(120deg, #fffdf8, #f5f0e3);
  border: 1px solid rgba(35, 86, 59, 0.14);
  border-left: 4px solid var(--gold);
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(21, 63, 44, 0.07);
}

.hsk1-page .hsk1-enrollment-update .notice-mark {
  box-shadow: 0 8px 18px rgba(35, 86, 59, 0.14);
}

.hsk1-page .hsk1-enrollment-update p {
  max-width: 820px;
  line-height: 1.65;
}

.hsk1-page .hsk1-info-card,
.hsk1-page .hsk1-details-card {
  padding: clamp(1.3rem, 2vw, 1.7rem);
}

.hsk1-page .hsk1-info-card h3,
.hsk1-page .hsk1-details-card h2 {
  margin-bottom: 0.9rem;
}

.hsk1-page .hsk1-info-card .info-list,
.hsk1-page .hsk1-details-card .info-list {
  gap: 0.65rem;
}

.hsk1-page .hsk1-info-card .info-list li,
.hsk1-page .hsk1-details-card .info-list li {
  line-height: 1.55;
}

.hsk1-page .hsk1-details-card {
  border-top: 3px solid rgba(35, 86, 59, 0.78);
}

.hsk1-page .hsk1-free-lesson .section-heading {
  max-width: 780px;
}

.hsk1-page .hsk1-free-lesson__meta {
  margin: 0.8rem 0 0;
  color: var(--green-700);
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.hsk1-page .hsk1-free-lesson .video-card {
  margin-inline: auto;
}

.hsk1-page .hsk1-free-lesson__caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hsk1-page .hsk1-free-lesson__caption .button {
  flex: 0 0 auto;
}

.hsk1-page .hsk1-refund-section {
  padding-block: clamp(2.5rem, 4vw, 3.8rem);
}

.hsk1-page .hsk1-refund-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.4rem);
  max-width: 980px;
  margin-inline: auto;
  padding: clamp(1.4rem, 2.8vw, 2rem);
}

.hsk1-page .hsk1-refund-card h2,
.hsk1-page .hsk1-refund-card p {
  margin: 0;
}

/* Content remains visible unless JavaScript confirms motion support. */
.hsk1-page .hsk1-reveal {
  opacity: 1;
  transform: none;
}

.hsk1-motion-ready .hsk1-page .hsk1-reveal.is-pending {
  opacity: 0;
  transform: translateY(18px);
}

.hsk1-motion-ready .hsk1-page .hsk1-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 560ms ease var(--hsk1-reveal-delay, 0ms),
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--hsk1-reveal-delay, 0ms);
}

@media (max-width: 900px) {
  .hsk1-page .hsk1-hero {
    background-position: center 64%;
  }

  .hsk1-page .hsk1-first-step .media-split {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.58fr);
    gap: 1.8rem;
  }

  .hsk1-page .hsk1-first-step__book {
    width: min(100%, 300px);
  }

  .hsk1-page .course-preview .preview-media {
    --preview-media-height: 175px;
  }
}

@media (max-width: 740px) {
  .hsk1-page .hsk1-hero {
    background:
      linear-gradient(90deg, rgba(13, 45, 31, 0.94), rgba(16, 53, 37, 0.76)),
      linear-gradient(180deg, rgba(9, 35, 24, 0.12), rgba(9, 35, 24, 0.42)),
      url("../images/hsk1-chengdu-red-wall-720.webp?version=20260802-chengdu-red-wall") center 68% / cover no-repeat;
  }

  .hsk1-page .hsk1-hero .container {
    padding-top: 3.3rem;
    padding-bottom: 3rem;
  }

  .hsk1-page .hsk1-hero h1 {
    font-size: 2.55rem;
  }

  .hsk1-page .hsk1-hero-price {
    margin-top: 0.9rem;
    padding: 0.75rem 0.85rem;
  }

  .hsk1-page .hsk1-first-step {
    padding-block: 2rem;
  }

  .hsk1-page .hsk1-first-step .media-split {
    grid-template-columns: 1fr;
    gap: 0.95rem;
  }

  .hsk1-page .hsk1-first-step__book {
    width: min(68vw, 245px);
    justify-self: center;
  }

  .hsk1-page .hsk1-first-step__book img {
    max-height: 310px;
  }

  .hsk1-page .hsk1-first-step__book figcaption {
    padding: 0.55rem 0.65rem;
    font-size: 0.76rem;
    line-height: 1.35;
  }

  .hsk1-page .hsk1-first-step .pill-row {
    gap: 0.45rem;
  }

  .hsk1-page .hsk1-course-preview-section {
    padding-block: 2.2rem;
  }

  .hsk1-page .course-preview {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .hsk1-page .course-preview .preview-card {
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr);
    grid-template-areas:
      "media title"
      "media copy";
    align-items: center;
    min-height: 118px;
  }

  .hsk1-page .course-preview .preview-media {
    --preview-media-height: 118px;
    grid-area: media;
    width: 118px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .hsk1-page .course-preview .preview-card h3 {
    grid-area: title;
    align-self: end;
    padding: 0.65rem 0.75rem 0.2rem;
    font-size: 0.98rem;
  }

  .hsk1-page .course-preview .preview-card > p {
    grid-area: copy;
    align-self: start;
    padding: 0 0.75rem 0.65rem;
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .hsk1-page .hsk1-enrollment-update {
    padding-block: 1.35rem;
  }

  .hsk1-page .hsk1-enrollment-update .launch-status-notice {
    padding: 0.9rem;
    border-radius: 12px;
  }

  .hsk1-page .hsk1-info-section,
  .hsk1-page .hsk1-details-section,
  .hsk1-page .hsk1-outcomes-section {
    padding-block: 2.6rem;
  }

  .hsk1-page .hsk1-info-card,
  .hsk1-page .hsk1-details-card {
    padding: 1.15rem;
  }

  .hsk1-page .hsk1-refund-section {
    padding-block: 2.2rem;
  }

  .hsk1-page .hsk1-refund-card {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    padding: 1.2rem;
  }

  .hsk1-page .hsk1-free-lesson__caption {
    align-items: stretch;
    flex-direction: column;
  }

  .hsk1-page .hsk1-free-lesson__caption .button {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .hsk1-page .hsk1-hero h1 {
    font-size: 2.35rem;
  }

  .hsk1-page .hsk1-hero .hero-actions .button {
    width: 100%;
  }

  .hsk1-page .hsk1-first-step__book {
    width: min(56vw, 205px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hsk1-motion-ready .hsk1-page .hsk1-reveal,
  .hsk1-motion-ready .hsk1-page .hsk1-reveal.is-pending,
  .hsk1-motion-ready .hsk1-page .hsk1-reveal.is-visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}