/* Series index — two-column grid */

.series-intro {
  padding: 48px var(--margin-m) 32px;
  background: var(--surface-lowest);
}

@media (min-width: 768px) {
  .series-intro {
    padding: 64px var(--margin) 40px;
  }
}

.series-intro__inner {
  max-width: var(--max-wide);
  margin-inline: auto;
}

.series-intro__title {
  margin: 0 0 14px;
  font-size: clamp(32px, 4.2vw, 48px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--primary);
}

.series-intro__lead {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--on-surface-variant);
}

.series-intro__link {
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.series-intro__link:hover {
  opacity: 0.72;
}

.series-index {
  padding: 8px var(--margin-m) 72px;
  background: var(--surface-lowest);
}

@media (min-width: 768px) {
  .series-index {
    padding: 8px var(--margin) 96px;
  }
}

.series-index__inner {
  max-width: var(--max-wide);
  margin-inline: auto;
}

/* Two-column series grid — shorter cards + spin CTA */
.series-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 700px) {
  .series-mosaic {
    grid-template-columns: 1fr 1fr;
    gap: 14px 16px;
  }
}

@media (min-width: 1100px) {
  .series-mosaic {
    grid-template-columns: 1.35fr 1fr 1fr;
    grid-auto-rows: 250px;
    gap: 16px;
  }

  .series-mosaic__tile--hero {
    grid-row: span 2;
  }
}

.series-mosaic__tile {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 180px;
  background: var(--surface-high);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-media);
}

@media (min-width: 1100px) {
  .series-mosaic__tile {
    aspect-ratio: auto;
    min-height: 0;
    height: 100%;
  }
}

.series-mosaic__tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.series-mosaic__tile:hover img {
  transform: scale(1.04);
}

.series-mosaic__tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 45%,
    rgba(22, 40, 57, 0.72) 100%
  );
  pointer-events: none;
}

.series-mosaic__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  max-width: min(58%, 34ch);
  padding: 18px 16px 18px 20px;
}

.series-mosaic__caption h2 {
  margin: 0 0 4px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.series-mosaic__caption span {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.series-mosaic__caption p {
  margin: 8px 0 0;
  font-size: var(--text-caption);
  line-height: 1.45;
  opacity: 0.9;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Rotating product CTA */
.series-mosaic__badge {
  --series-badge: clamp(72px, 9vw, 96px);
  position: absolute;
  right: 16px;
  top: 50%;
  z-index: 2;
  width: var(--series-badge);
  height: var(--series-badge);
  border-radius: 50%;
  background: #fff;
  color: var(--primary);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--primary) 28%, transparent);
  transform: translateY(-50%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 900px) {
  .series-mosaic__badge {
    right: 22px;
  }
}

.series-mosaic__tile:hover .series-mosaic__badge {
  transform: translateY(-50%) scale(1.06);
}

.series-mosaic__badge-ring {
  position: absolute;
  inset: 4%;
  width: 92%;
  height: 92%;
  animation: series-badge-spin 18s linear infinite;
}

.series-mosaic__badge-text {
  fill: var(--primary);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.series-mosaic__badge-arrow {
  position: relative;
  z-index: 1;
  width: 28%;
  height: 28%;
  display: grid;
  place-items: center;
  color: var(--primary);
}

.series-mosaic__badge-arrow svg {
  width: 100%;
  height: 100%;
}

@keyframes series-badge-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Bottom CTA */
.series-cta {
  padding: 56px var(--margin-m) 80px;
  background: var(--surface);
}

@media (min-width: 768px) {
  .series-cta {
    padding: 72px var(--margin) 104px;
  }
}

.series-cta__inner {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.series-cta__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--primary);
}

.series-cta__lead {
  margin: 0 0 28px;
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--on-surface-variant);
}

.series-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .series-mosaic__tile img {
    transition: none;
  }

  .series-mosaic__tile:hover img {
    transform: none;
  }

  .series-mosaic__badge-ring {
    animation: none;
  }

  .series-mosaic__tile:hover .series-mosaic__badge {
    transform: translateY(-50%);
  }
}