.page-home {
  --page-bg: var(--color-bg-dark);
  --page-text: var(--color-text);
  --page-card-bg: var(--color-card);
  --page-accent: var(--color-accent);
  --page-gold: var(--color-gold);
  --page-soft: var(--color-text-soft);
  --page-font-heading: var(--font-heading);
  --page-font-body: var(--font-body);
  --page-content-width: var(--content-width);
  --page-gap-section: var(--gap-section);
  --page-gap-paragraph: var(--gap-paragraph);
  --page-transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --page-border-subtle: rgba(245, 230, 204, 0.15);
  background-color: var(--page-bg);
  color: var(--page-text);
  font-family: var(--page-font-body);
  line-height: 1.6;
  padding: 0 1rem;
}

.page-home__wrapper {
  max-width: var(--page-content-width);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

/* ---- intro ---- */
.page-home__intro {
  position: relative;
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--page-border-subtle);
  margin-bottom: 2rem;
  text-align: center;
}

.page-home__intro-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--page-gold);
  background: rgba(255, 215, 0, 0.08);
  padding: 0.2rem 0.8rem;
  border: 1px solid var(--page-gold);
}

.page-home__intro-title {
  font-family: var(--page-font-heading);
  font-weight: 900;
  font-size: 2.5rem;
  margin: 0 0 0.25rem;
  letter-spacing: 0.06em;
  color: var(--page-text);
  text-shadow: 0 0 40px rgba(255, 69, 0, 0.3);
}

.page-home__intro-sub {
  font-size: 1rem;
  color: var(--page-soft);
  margin: 0 0 1.5rem;
  font-weight: 400;
}

.page-home__intro-bg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  opacity: 0.85;
  margin-top: 0.5rem;
}

/* ---- toc ---- */
.page-home__toc {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 2rem 0 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--page-border-subtle);
}

.page-home__toc-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px dashed var(--page-border-subtle);
  transition: var(--page-transition);
}

.page-home__toc-item:last-child {
  border-bottom: none;
}

.page-home__toc-item:hover {
  padding-left: 0.75rem;
  border-left: 2px solid var(--page-accent);
}

.page-home__toc-number {
  font-family: var(--page-font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--page-gold);
  line-height: 1;
  min-width: 2rem;
}

.page-home__toc-title {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--page-text);
  letter-spacing: 0.02em;
}

.page-home__toc-desc {
  font-size: 0.85rem;
  color: var(--page-soft);
  flex: 1 1 100%;
  margin-top: 0.1rem;
}

/* ---- filter ---- */
.page-home__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0 2rem;
  justify-content: center;
}

.page-home__filter .btn-outline {
  font-family: var(--page-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-color: var(--page-border-subtle);
  color: var(--page-soft);
  background: transparent;
  padding: 0.4rem 1rem;
  transition: var(--page-transition);
}

.page-home__filter .btn-outline.is-active,
.page-home__filter .btn-outline:hover {
  border-color: var(--page-accent);
  color: var(--page-accent);
  background: rgba(255, 69, 0, 0.08);
}

/* ---- chapter ---- */
.page-home__chapter {
  padding-top: 2rem;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--page-border-subtle);
}

.page-home__chapter:last-of-type {
  border-bottom: none;
}

.page-home__chapter-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-home__chapter-header .section-number {
  font-family: var(--page-font-heading);
  font-weight: 900;
  font-size: 2.25rem;
  line-height: 1;
  color: var(--page-gold);
  flex-shrink: 0;
}

.page-home__chapter-header .section-title {
  font-family: var(--page-font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: 0.04em;
  color: var(--page-text);
}

.page-home__chapter-desc {
  font-size: 0.95rem;
  color: var(--page-soft);
  margin: 0 0 1.5rem;
  max-width: 36em;
}

.page-home__chapter-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-family: var(--page-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* ---- card grid (01) ---- */
.page-home__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home__card {
  background: var(--page-card-bg);
  color: #1a1a1a;
  border: 2px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: var(--page-transition);
}

.page-home__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--page-accent);
}

.page-home__card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.page-home__card-body {
  padding: 1rem 1.25rem 1.25rem;
}

.page-home__card-body .label-tag {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--page-accent);
  background: rgba(255, 69, 0, 0.08);
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--page-accent);
  margin-bottom: 0.5rem;
}

.page-home__card-title {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
  color: #1a1a1a;
}

.page-home__card-text {
  font-size: 0.85rem;
  color: #555;
  margin: 0;
  line-height: 1.5;
}

/* ---- review card (02) ---- */
.page-home__review-card {
  background: var(--page-card-bg);
  color: #1a1a1a;
  border: 2px solid rgba(0, 0, 0, 0.08);
  padding: 1.25rem;
  transition: var(--page-transition);
}

.page-home__review-card:hover {
  border-color: var(--page-gold);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.15);
}

.page-home__review-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-home__review-icon {
  display: block;
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
}

.page-home__review-content {
  flex: 1;
}

.page-home__review-title {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 0.25rem;
  color: #1a1a1a;
}

.page-home__review-text {
  font-size: 0.85rem;
  color: #555;
  margin: 0;
}

.page-home__review-inner .btn-primary {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  background: var(--page-accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.4rem;
  transition: var(--page-transition);
  align-self: flex-start;
}

.page-home__review-inner .btn-primary:hover {
  background: #e63e00;
  transform: scale(1.03);
}

/* ---- dashboard (03) ---- */
.page-home__dashboard {
  background: var(--page-card-bg);
  color: #1a1a1a;
  border: 2px solid rgba(0, 0, 0, 0.08);
  padding: 1.5rem 1.25rem;
  position: relative;
  overflow: hidden;
}

.page-home__dashboard-main {
  text-align: center;
  padding: 0.5rem 0 1rem;
}

.page-home__dashboard-number {
  display: block;
  font-family: var(--page-font-heading);
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--page-gold);
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.2);
}

.page-home__dashboard-label {
  display: block;
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--page-accent);
  margin-top: 0.25rem;
}

.page-home__dashboard-progress-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0 0.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.page-home__dashboard-progress-label {
  font-size: 0.75rem;
  color: #666;
  font-weight: 600;
  min-width: 4.5rem;
}

.page-home__dashboard-bar {
  flex: 1;
  min-width: 100px;
  height: 8px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--page-accent), var(--page-gold));
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.page-home__dashboard-percent {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--page-accent);
  min-width: 2.5rem;
  text-align: right;
}

.page-home__dashboard-foot {
  font-size: 0.8rem;
  color: #666;
  margin: 0.75rem 0 0;
  text-align: center;
  font-style: italic;
}

.page-home__dashboard-bg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.2;
  margin-top: 0.75rem;
  pointer-events: none;
}

/* ---- waterfall (04) ---- */
.page-home__waterfall {
  column-count: 1;
  column-gap: 1rem;
  padding: 0.5rem 0;
}

.page-home__waterfall-item {
  display: inline-block;
  width: 100%;
  background: var(--page-card-bg);
  color: #1a1a1a;
  border: 2px solid rgba(0, 0, 0, 0.08);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  break-inside: avoid;
  transition: var(--page-transition);
  cursor: default;
}

.page-home__waterfall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--page-accent);
}

.page-home__waterfall-item .label-tag {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--page-accent);
  background: rgba(255, 69, 0, 0.08);
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--page-accent);
  margin-bottom: 0.5rem;
}

.page-home__waterfall-title {
  font-family: var(--page-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
  color: #1a1a1a;
}

.page-home__waterfall-text {
  font-size: 0.8rem;
  color: #555;
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

.page-home__waterfall-meta {
  display: inline-block;
  font-size: 0.65rem;
  color: var(--page-soft);
  writing-mode: horizontal-tb;
  transform: none;
  font-style: italic;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 0.35rem;
  width: 100%;
}

/* ---- outro ---- */
.page-home__outro {
  text-align: center;
  padding: 2.5rem 1rem 1rem;
  border-top: 1px solid var(--page-border-subtle);
  margin-top: 2rem;
}

.page-home__outro-text {
  font-size: 0.85rem;
  color: var(--page-soft);
  max-width: 36em;
  margin: 0 auto;
  line-height: 1.7;
}

.page-home__outro-link {
  color: var(--page-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--page-transition);
}

.page-home__outro-link:hover {
  color: var(--page-accent);
}

/* ---- tablet up ---- */
@media (min-width: 640px) {
  .page-home__intro-title {
    font-size: 3rem;
  }

  .page-home__toc-item {
    flex-wrap: nowrap;
    align-items: center;
    gap: 1rem;
  }

  .page-home__toc-desc {
    flex: 1 1 auto;
    margin-top: 0;
    text-align: right;
  }

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

  .page-home__review-inner {
    flex-direction: row;
    align-items: center;
  }

  .page-home__review-inner .btn-primary {
    align-self: center;
  }

  .page-home__dashboard-main {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .page-home__waterfall {
    column-count: 2;
  }

  .page-home__chapter-header .section-number {
    font-size: 2.75rem;
  }

  .page-home__chapter-header .section-title {
    font-size: 1.75rem;
  }
}

/* ---- desktop ---- */
@media (min-width: 960px) {
  .page-home {
    padding: 0 2rem;
  }

  .page-home__intro {
    padding: 3rem 0 2rem;
  }

  .page-home__intro-title {
    font-size: 3.75rem;
  }

  .page-home__intro-sub {
    font-size: 1.1rem;
  }

  .page-home__toc {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 2.5rem 0 2rem;
  }

  .page-home__toc-item {
    flex: 1 1 calc(50% - 1rem);
    flex-wrap: nowrap;
    gap: 0.75rem 1.25rem;
    padding: 0.75rem 1rem;
    border-bottom: none;
    border: 1px solid var(--page-border-subtle);
    background: rgba(42, 42, 42, 0.3);
  }

  .page-home__toc-desc {
    text-align: left;
    flex: 0 1 auto;
    margin-left: auto;
  }

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

  .page-home__chapter {
    padding-top: 3rem;
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
  }

  .page-home__chapter-header .section-number {
    font-size: 3rem;
  }

  .page-home__chapter-header .section-title {
    font-size: 2rem;
  }

  .page-home__dashboard {
    padding: 2rem 2rem;
  }

  .page-home__dashboard-number {
    font-size: 4.5rem;
  }

  .page-home__waterfall {
    column-count: 3;
  }

  .page-home__waterfall-item {
    padding: 1.25rem 1.5rem;
  }

  .page-home__outro {
    padding: 3rem 1rem 1rem;
  }
}