/* ==========================================================================
   Seasonal Gardening Calendar — overview & season pages
   ========================================================================== */

/* --- Overview page ------------------------------------------------------- */

.season-current-badge {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 999px;
}

.season-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.season-overview-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.season-overview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.season-overview-card:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 3px;
}

.season-overview-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.season-overview-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.season-overview-card:hover .season-overview-card__image {
  transform: scale(1.05);
}

.season-overview-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(15, 26, 20, 0.65) 100%);
}

.season-overview-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.season-overview-card__label {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.season-overview-card__months {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--season-accent, var(--color-accent));
  margin-top: 0.25rem;
}

.season-overview-card__excerpt {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-top: 0.625rem;
}

.season-overview-card__link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--season-accent, var(--color-accent));
}

.season-empty,
.season-loading {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
}

.season-empty a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* --- Season hero banner -------------------------------------------------- */

.season-hero {
  position: relative;
  margin-bottom: 2.5rem;
}

.season-hero__media {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.season-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.season-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 26, 20, 0.15) 0%, rgba(15, 26, 20, 0.72) 100%);
}

.season-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding-bottom: 2rem;
  color: #fff;
  text-align: center;
}

.season-hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.5rem;
}

.season-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.season-hero__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Season page sections ------------------------------------------------ */

.season-page__body {
  padding-bottom: 4rem;
}

.season-section {
  margin-bottom: 2.5rem;
}

.season-section__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.season-section__prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 720px;
}

.season-card {
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.season-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.season-grid--two {
  grid-template-columns: 1fr;
}

.season-section__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.season-section__list a {
  color: var(--color-accent);
  font-weight: 600;
}

.season-section__list a:hover {
  text-decoration: underline;
}

.season-section__list--plants li {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.season-section__note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.season-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.season-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  background: color-mix(in srgb, var(--season-accent, var(--color-accent)) 10%, white);
  border: 1px solid color-mix(in srgb, var(--season-accent, var(--color-accent)) 18%, transparent);
  border-radius: 999px;
  color: var(--color-text);
}

/* --- Monthly checklist --------------------------------------------------- */

.season-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.season-checklist__month-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--season-accent, var(--color-accent));
  margin-bottom: 0.625rem;
}

/* --- Tips ---------------------------------------------------------------- */

.season-tips-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.season-tip-card {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.04) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.season-tip-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.season-tip-card__text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* --- Tools --------------------------------------------------------------- */

.season-tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.season-tool-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.season-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(45, 106, 79, 0.25);
}

.season-tool-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.season-tool-card__desc {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  flex: 1;
}

.season-tool-card__link {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* --- Related plants ------------------------------------------------------ */

.season-plants-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.season-plant-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.season-plant-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.season-plant-card__image {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.season-plant-card__body {
  padding: 0.875rem 1rem;
}

.season-plant-card__name {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
}

.season-plant-card__meta {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
  text-transform: capitalize;
}

/* --- CTA ----------------------------------------------------------------- */

.season-cta {
  text-align: center;
  padding: 2.5rem 1.5rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-surface) 100%);
  border: 1px solid rgba(45, 106, 79, 0.15);
  border-radius: var(--radius-lg);
}

.season-cta__title {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.season-cta__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

/* --- Season navigation --------------------------------------------------- */

.season-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.season-nav__back {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.season-nav__back:hover {
  color: var(--color-accent);
}

.season-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.season-nav__link {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.season-nav__link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Responsive ---------------------------------------------------------- */

@media (min-width: 640px) {
  .season-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

@media (min-width: 768px) {
  .season-hero__media {
    height: 360px;
  }

  .season-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .season-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 1200px) {
  .season-overview-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Premium season pages (Autumn)
   ========================================================================== */

.season-main {
  overflow-x: clip;
}

.breadcrumbs--season {
  padding-top: 1rem;
  padding-bottom: 0.5rem;
}

.season-page--premium {
  --season-toc-width: 220px;
}

.season-hero--premium {
  margin-bottom: 0;
}

.season-page__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.season-toc {
  display: none;
}

.season-toc__nav {
  padding: 1.25rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.season-toc__title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.season-toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.season-toc__link {
  display: block;
  padding: 0.4375rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.season-toc__link:hover {
  color: var(--season-accent, var(--color-accent));
  background: rgba(45, 106, 79, 0.05);
}

.season-toc__link.is-active {
  color: var(--season-accent, var(--color-accent));
  font-weight: 600;
  border-left-color: var(--season-accent, var(--color-accent));
  background: color-mix(in srgb, var(--season-accent, var(--color-accent)) 8%, white);
}

.season-page__content {
  min-width: 0;
}

.season-section--premium {
  margin-bottom: 3rem;
}

.season-section__title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin-bottom: 1.125rem;
}

.season-section__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--season-accent, var(--color-accent));
  background: color-mix(in srgb, var(--season-accent, var(--color-accent)) 10%, white);
  border-radius: var(--radius-sm);
}

.season-section__prose--lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  letter-spacing: -0.01em;
}

.season-section__intro {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  max-width: 640px;
}

.season-card--premium {
  padding: 1.625rem 1.75rem;
}

.season-grid--premium {
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* --- Featured plants ----------------------------------------------------- */

.season-featured-plants {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.season-featured-plant {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: 0.75rem;
  margin: -0.75rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.season-featured-plant:hover {
  background: rgba(45, 106, 79, 0.04);
}

.season-featured-plant:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 2px;
}

.season-featured-plant__media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-accent-light);
}

.season-featured-plant__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.season-featured-plant__name {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
}

.season-featured-plant__note {
  display: block;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.season-featured-plant__link {
  display: inline-block;
  margin-top: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--season-accent, var(--color-accent));
}

/* --- Interactive checklist ----------------------------------------------- */

.season-checklist-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.season-checklist-tab {
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.season-checklist-tab:hover {
  color: var(--season-accent, var(--color-accent));
  border-color: color-mix(in srgb, var(--season-accent, var(--color-accent)) 35%, transparent);
}

.season-checklist-tab.is-active {
  color: #fff;
  background: var(--season-accent, var(--color-accent));
  border-color: var(--season-accent, var(--color-accent));
  box-shadow: 0 2px 8px color-mix(in srgb, var(--season-accent, var(--color-accent)) 35%, transparent);
}

.season-checklist-tab:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 2px;
}

.season-checklist-panel {
  animation: seasonFadeIn 0.25s ease;
}

@keyframes seasonFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.season-checklist-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
}

.season-checklist-card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.season-checklist-card:hover {
  border-color: color-mix(in srgb, var(--season-accent, var(--color-accent)) 25%, transparent);
}

.season-checklist-card.is-checked {
  background: color-mix(in srgb, var(--season-accent, var(--color-accent)) 6%, white);
  border-color: color-mix(in srgb, var(--season-accent, var(--color-accent)) 20%, transparent);
}

.season-checklist-card__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.season-checklist-card__check {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.season-checklist-card__input:focus-visible + .season-checklist-card__check {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 2px;
}

.season-checklist-card.is-checked .season-checklist-card__check {
  background: var(--season-accent, var(--color-accent));
  border-color: var(--season-accent, var(--color-accent));
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.season-checklist-card__text {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text);
}

.season-checklist-card.is-checked .season-checklist-card__text {
  color: var(--color-text-muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--color-text-muted) 50%, transparent);
}

/* --- Premium tips -------------------------------------------------------- */

.season-tips-grid--premium {
  gap: 1.25rem;
}

.season-tip-card--premium {
  padding: 1.5rem 1.625rem;
  border-left: 3px solid var(--season-accent, var(--color-accent));
}

.season-tip-card--premium .season-tip-card__title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

/* --- Premium tools ------------------------------------------------------- */

.season-tools-grid--premium {
  gap: 1.25rem;
}

.season-tool-card--premium {
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.375rem 1.5rem;
}

.season-tool-card--premium:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 3px;
}

.season-tool-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  color: var(--season-accent, var(--color-accent));
  background: color-mix(in srgb, var(--season-accent, var(--color-accent)) 10%, white);
  border-radius: var(--radius-md);
}

.season-tool-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

/* --- Premium related plants ---------------------------------------------- */

.season-plants-grid--premium {
  gap: 1.25rem;
}

.season-plant-card--premium {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.season-plant-card--premium:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 3px;
}

.season-plant-card--premium:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.season-plant-card__media {
  display: block;
  overflow: hidden;
}

.season-plant-card--premium .season-plant-card__body {
  padding: 1rem 1.125rem 1.125rem;
}

.season-plant-card__botanical {
  display: block;
  font-size: 0.75rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
}

.season-plant-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.625rem;
}

.season-plant-card__tag {
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: capitalize;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: 999px;
}

.season-plant-card__tag--bee {
  color: #92400e;
  background: #fef3c7;
}

.season-plant-card--premium .season-plant-card__meta {
  font-size: 0.8125rem;
  margin-top: 0.5rem;
}

.season-plant-card__cta {
  display: inline-block;
  margin-top: 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--season-accent, var(--color-accent));
}

/* --- FAQ ----------------------------------------------------------------- */

.season-faq {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.season-faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.season-faq-item[open] {
  border-color: color-mix(in srgb, var(--season-accent, var(--color-accent)) 25%, transparent);
  box-shadow: var(--shadow-sm);
}

.season-faq-item__question {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast);
}

.season-faq-item__question::-webkit-details-marker {
  display: none;
}

.season-faq-item__question::after {
  content: '+';
  float: right;
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--season-accent, var(--color-accent));
}

.season-faq-item[open] .season-faq-item__question::after {
  content: '−';
}

.season-faq-item__question:hover {
  color: var(--season-accent, var(--color-accent));
}

.season-faq-item__question:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: -2px;
}

.season-faq-item__answer {
  padding: 0 1.25rem 1.125rem;
}

.season-faq-item__answer p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* --- Prev / Next season cards -------------------------------------------- */

.season-seasons-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.season-season-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.375rem 1.5rem;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.season-season-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--season-accent, var(--color-accent)) 30%, transparent);
}

.season-season-card:focus-visible {
  outline: 2px solid var(--season-accent, var(--color-accent));
  outline-offset: 3px;
}

.season-season-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
}

.season-season-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--season-accent, var(--color-accent));
}

.season-season-card__months {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.season-season-card__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--season-accent, var(--color-accent));
  opacity: 0.6;
}

.season-season-card--prev .season-season-card__arrow {
  right: 1.25rem;
}

.season-season-card--next {
  text-align: right;
}

.season-season-card--next .season-season-card__arrow {
  left: 1.25rem;
}

.season-cta--premium {
  margin-bottom: 2.5rem;
  padding: 3rem 2rem;
}

.season-nav--premium {
  padding-top: 0;
  border-top: none;
}

/* --- Premium responsive -------------------------------------------------- */

@media (min-width: 640px) {
  .season-featured-plants {
    grid-template-columns: repeat(2, 1fr);
  }

  .season-checklist-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .season-seasons-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .season-toc-mobile {
    display: none;
  }

  .season-page__layout {
    grid-template-columns: var(--season-toc-width) 1fr;
    gap: 2.5rem;
    align-items: start;
  }

  .season-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-height) + 1rem);
  }

  .season-checklist-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .season-page--premium {
    --season-toc-width: 240px;
  }

  .season-featured-plants {
    grid-template-columns: 1fr;
  }

  .season-checklist-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .season-plants-grid--premium {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .season-toc-mobile {
    position: sticky;
    top: var(--header-height);
    z-index: 50;
    margin: -0.5rem -1rem 1.5rem;
    padding: 0.625rem 1rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
  }

  .season-toc-mobile__scroll {
    display: flex;
    gap: 0.375rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.125rem;
  }

  .season-toc-mobile__scroll::-webkit-scrollbar {
    display: none;
  }

  .season-toc-mobile__link {
    flex-shrink: 0;
    padding: 0.4375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    white-space: nowrap;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  }

  .season-toc-mobile__link.is-active {
    color: #fff;
    background: var(--season-accent, var(--color-accent));
    border-color: var(--season-accent, var(--color-accent));
  }

  .season-section--premium {
    scroll-margin-top: calc(var(--header-height) + 0.5rem);
  }

  .season-section[id] {
    scroll-margin-top: calc(var(--header-height) + 0.5rem);
  }
}