/* IVSEC kit series landings (820 / 850 / 880 / 1250): IVSEC-blue hero + range filter above products, depth below.
   Colours follow the IVSEC kits brochure: brand blue header, white page, one accent per series. */

.ivs4 {
  --ivs-brand: #0655a4;
  --ivs-brand-deep: #053f7c;
  --ivs-accent: #0655a4;
  --ivs-ink: #0c1f3f;
  --ivs-text: #46546a;
  --ivs-mute: #74819a;
  --ivs-line: #dce3ee;
  --ivs-wash: #f4f5f7;
  --ivs-hero-bg: #f4f5f7;
  --ivs-link: var(--ivs-accent);
  --ivs-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  margin: 0 0 1.75rem;
  color: var(--ivs-ink);
}
:where(.ivs4) h2,
:where(.ivs4) h3 {
  text-transform: none;
}
:where(.ivs4) p {
  margin: 0;
}
:where(.ivs4) ul,
:where(.ivs4) ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ivs4-eyebrow {
  margin: 0 0 0.85rem;
  color: var(--ivs-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.ivs4-h2 {
  margin: 0;
  text-transform: none;
  color: var(--ivs-ink);
  font-size: clamp(1.75rem, 2.7vw, 2.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.032em;
}
.ivs4-h2--center {
  text-align: center;
}

.ivs4-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1.35rem;
  border-radius: 8px;
  background: #fff;
  color: var(--ivs-ink) !important;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  text-decoration: none !important;
  transition: background-color 0.2s ease;
}
.ivs4-btn:hover,
.ivs4-btn:focus-visible {
  background: #e3ecf7;
}
.ivs4-btn--brand {
  background: var(--ivs-accent);
  color: #fff !important;
}
.ivs4-btn--brand:hover,
.ivs4-btn--brand:focus-visible {
  background: var(--ivs-accent);
  filter: brightness(0.88);
}
.ivs4-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--ivs-link) !important;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none !important;
}
.ivs4-link::after {
  content: "";
  width: 0.42em;
  height: 0.42em;
  border-top: 1.6px solid currentColor;
  border-right: 1.6px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.ivs4-link:hover::after {
  transform: translateX(3px) rotate(45deg);
}
.ivs4-link:hover {
  text-decoration: underline !important;
  text-underline-offset: 3px;
}
.ivs4-link--light {
  color: var(--ivs-ink) !important;
}
.ivs4-dl {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ivs-ink) !important;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none !important;
}
.ivs4-dl::before {
  content: "";
  width: 14px;
  height: 14px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1v9m0 0L4.5 6.5M8 10l3.5-3.5M2 14h12' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1v9m0 0L4.5 6.5M8 10l3.5-3.5M2 14h12' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.ivs4-dl span {
  padding: 0.05rem 0.35rem;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  opacity: 0.75;
}
.ivs4-dl:hover {
  text-decoration: underline !important;
  text-underline-offset: 3px;
}
.ivs4-dl--light {
  color: var(--ivs-text) !important;
}

/* Hero: light copy panel on the left, a photo panel on the right that plays four feature chapters */
.ivs4-hero {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  width: 100%;
  min-height: 380px;
  aspect-ratio: 16 / 7;
  max-height: 480px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--ivs-hero-bg);
  color: var(--ivs-ink);
  isolation: isolate;
}
.ivs4-hero__stage {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 3.6rem;
  left: 46%;
  z-index: 0;
  overflow: hidden;
  border-radius: 0 0 0 14px;
}
.ivs4-frame {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.ivs4-frame.is-on {
  opacity: 1;
}
.ivs4-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 50%;
  transform-origin: 70% 45%;
}
.ivs4-frame--studio img {
  object-position: 50% 50%;
  transform-origin: 60% 60%;
}
.ivs4-frame--deter img {
  object-position: 70% 22%;
}
.ivs4-frame--ai img {
  transform-origin: 74% 42%;
}
.ivs4--s880 .ivs4-frame--deter img {
  object-position: 50% 4%;
  transform-origin: 40% 10%;
}
.ivs4--s1250 .ivs4-frame--deter img {
  object-position: 50% 0%;
  transform-origin: 30% 10%;
}
.ivs4-frame--talk img {
  object-position: 66% 50%;
  transform-origin: 62% 50%;
}
.ivs4-frame.is-on img {
  animation: ivs4-drift 9s var(--ivs-ease) both;
}
@keyframes ivs4-drift {
  from { transform: scale(1.055); }
  to { transform: scale(1); }
}

.ivs4-hero__copy {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 44%;
  padding: 2.25rem 0 2.75rem clamp(1.75rem, 3.6vw, 3.25rem);
}
.ivs4-hero .ivs4-eyebrow {
  display: inline-block;
  padding: 0.32rem 0.6rem;
  border-radius: 6px;
  background: var(--ivs-accent);
  color: #fff;
  letter-spacing: 0.12em;
}
.ivs4-hero .ivs4-btn {
  background: var(--ivs-accent);
  color: #fff !important;
}
.ivs4-hero .ivs4-btn:hover,
.ivs4-hero .ivs4-btn:focus-visible {
  background: var(--ivs-accent);
  filter: brightness(0.88);
}
.ivs4-hero__texts {
  display: grid;
}
.ivs4-hero__text {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0s linear 0.6s;
}
.ivs4-hero__text.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.7s ease 0.25s, transform 0.7s ease 0.25s, visibility 0s;
}
.ivs4-hero__title {
  margin: 0 0 0.9rem;
  text-transform: none;
  color: var(--ivs-ink);
  font-size: clamp(2rem, 3.35vw, 3rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.038em;
}
.ivs4-hero__title span {
  display: block;
}
.ivs4-hero__sub {
  max-width: 30rem;
  color: var(--ivs-text);
  font-size: 1rem;
  line-height: 1.5;
}
.ivs4-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin-top: 1.6rem;
}
.ivs4-hero__actions .ivs4-dl {
  flex-basis: 100%;
}

.ivs4-chapters {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 1.25rem;
  margin: 0;
  padding: 1.1rem clamp(1.75rem, 3.6vw, 3.25rem) 0;
  height: 3.6rem;
  list-style: none;
}
.ivs4-chapter {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ivs-mute);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  text-align: left;
  cursor: pointer;
  transition: color 0.3s ease;
}
.ivs4-chapter:hover,
.ivs4-chapter.is-on {
  color: var(--ivs-ink);
}
.ivs4-chapter__bar {
  display: block;
  height: 3px;
  margin-bottom: 0.6rem;
  overflow: hidden;
  border-radius: 3px;
  background: #dfe2e7;
}
.ivs4-chapter__bar i {
  display: block;
  height: 100%;
  background: var(--ivs-accent);
  transform: scaleX(0);
  transform-origin: left;
}
.ivs4-chapter.is-done .ivs4-chapter__bar i,
.ivs4-chapter.is-on .ivs4-chapter__bar i {
  transform: scaleX(1);
}
.ivs4-hero.is-paused .ivs4-frame.is-on img {
  animation-play-state: paused;
}
.ivs4-chapters__toggle {
  display: flex;
  align-items: flex-start;
}
.ivs4-playpause {
  position: relative;
  width: 28px;
  height: 28px;
  margin-top: -13px;
  padding: 0;
  border: 1px solid #c5cad3;
  border-radius: 50%;
  background: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.ivs4-playpause:hover,
.ivs4-playpause:focus-visible {
  border-color: var(--ivs-ink);
}
.ivs4-playpause span,
.ivs4-playpause span::after {
  position: absolute;
  top: 9px;
  left: 10px;
  width: 2px;
  height: 8px;
  background: var(--ivs-ink);
}
.ivs4-playpause span::after {
  content: "";
  top: 0;
  left: 4px;
}
.ivs4-playpause.is-paused span {
  left: 11px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4.5px 0 4.5px 8px;
  border-color: transparent transparent transparent var(--ivs-ink);
  background: none;
}
.ivs4-playpause.is-paused span::after {
  display: none;
}

/* Range filter: product line-up that filters the grid below */
.ivs4-range {
  margin-top: 1.75rem;
  scroll-margin-top: 90px;
}
.ivs4-range__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}
.ivs4-range__title {
  margin: 0;
  text-transform: none;
  color: var(--ivs-ink);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.ivs4-range__state {
  color: var(--ivs-mute);
  font-size: 0.82rem;
}
.ivs4-range__state button {
  margin-left: 0.5rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ivs-link);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.ivs4-range__list {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.6rem;
}
.ivs4-pick {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--ivs-ink) !important;
  text-align: center;
  text-decoration: none !important;
}
.ivs4-pick__img {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 12px;
  background: var(--ivs-wash);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}
.ivs4-pick__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transform: scale(0.94);
  transition: transform 0.45s var(--ivs-ease);
}
.ivs4-pick:hover .ivs4-pick__img img {
  transform: scale(1);
}
.ivs4-pick:hover .ivs4-pick__img {
  background: #e6eef8;
}
.ivs4-pick.is-on .ivs4-pick__img {
  box-shadow: inset 0 0 0 2px var(--ivs-accent);
}
.ivs4-pick.is-on .ivs4-pick__label {
  color: var(--ivs-accent);
}
.ivs4-pick:focus-visible {
  outline: none;
}
.ivs4-pick:focus-visible .ivs4-pick__img {
  box-shadow: inset 0 0 0 2px var(--ivs-link);
}
.ivs4-pick__label {
  margin-top: 0.55rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.005em;
}
.ivs4-pick__count {
  margin-top: 0.15rem;
  color: var(--ivs-mute);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}
.ivs4-pick__count::after {
  content: " products";
}

.ivs4-hidden {
  display: none !important;
}

/* Series detail, collapsed under the hero behind "Show more" */
.ivs4--after {
  display: grid;
  gap: clamp(3.5rem, 6vw, 5.5rem);
  margin: 0;
}
.ivs4-more {
  position: relative;
  margin-top: 1.75rem;
}
html.ivs4-js .ivs4-more.is-collapsed .ivs4--after {
  max-height: 300px;
  overflow: hidden;
}
html.ivs4-js .ivs4-more.is-collapsed .ivs4-reveal {
  opacity: 1;
  transform: none;
}
.ivs4-more__bar {
  display: none;
  position: relative;
  justify-content: center;
  padding-top: 1.25rem;
}
html.ivs4-js .ivs4-more__bar {
  display: flex;
}
html.ivs4-js .ivs4-more.is-collapsed .ivs4-more__bar {
  margin-top: -170px;
  padding-top: 128px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.85) 45%, #fff 75%);
}
.ivs4-more__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 42px;
  padding: 0 1.4rem;
  border: 1px solid var(--ivs-line, #d9d9de);
  border-radius: 999px;
  background: #fff;
  color: var(--ivs-ink, #1d1d1f);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.ivs4-more__btn:hover,
.ivs4-more__btn:focus-visible {
  border-color: var(--ivs-ink, #1d1d1f);
}
.ivs4-more__btn::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}
.ivs4-more:not(.is-collapsed) .ivs4-more__btn::after {
  margin-top: 3px;
  transform: rotate(-135deg);
}

.ivs4-night {
  padding: clamp(2rem, 4.2vw, 3.5rem) clamp(1.25rem, 3.6vw, 3.25rem) clamp(1.25rem, 3.6vw, 3.25rem);
  border-radius: 20px;
  background: var(--ivs-wash);
  color: var(--ivs-ink);
}
.ivs4-night__copy {
  max-width: 34rem;
  margin: 0 auto 2rem;
  text-align: center;
}
.ivs4-night__text {
  margin-top: 0.9rem !important;
  color: var(--ivs-text);
  font-size: 1rem;
  line-height: 1.55;
}
.ivs4-compare-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  background: #111;
  touch-action: pan-y;
  user-select: none;
}
.ivs4-compare-img picture,
.ivs4-compare-img img {
  display: block;
  width: 100%;
  height: 100%;
}
.ivs4-compare-img img {
  object-fit: cover;
}
.ivs4-compare-img__ir {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.ivs4-compare-img__tag {
  position: absolute;
  top: 0.9rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
}
.ivs4-compare-img__tag--l {
  left: 0.9rem;
}
.ivs4-compare-img__tag--r {
  right: 0.9rem;
}
.ivs4-compare-img__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: #fff;
  pointer-events: none;
}
.ivs4-compare-img__handle i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 42px;
  height: 42px;
  margin: -21px 0 0 -21px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}
.ivs4-compare-img__handle i::before,
.ivs4-compare-img__handle i::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-top: 2px solid var(--ivs-ink);
  border-left: 2px solid var(--ivs-ink);
}
.ivs4-compare-img__handle i::before {
  left: 11px;
  transform: rotate(-45deg);
}
.ivs4-compare-img__handle i::after {
  right: 11px;
  transform: rotate(135deg);
}
.ivs4-compare-img__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
}
.ivs4-compare-img:focus-within .ivs4-compare-img__handle i {
  box-shadow: 0 0 0 3px var(--ivs-link), 0 2px 10px rgba(0, 0, 0, 0.35);
}

.ivs4-bento {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(0, auto);
  gap: 0.9rem;
}
.ivs4-tile {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background: var(--ivs-wash);
}
.ivs4-tile picture,
.ivs4-tile img {
  display: block;
  width: 100%;
  height: 100%;
}
.ivs4-tile img {
  object-fit: cover;
}
.ivs4-tile figcaption {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.6rem 1.75rem;
  color: var(--ivs-text);
  font-size: 0.95rem;
  line-height: 1.45;
}
.ivs4-tile figcaption strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ivs-ink);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.ivs4-tile--weather {
  grid-column: span 4;
  height: 400px;
}
.ivs4-tile--weather::after,
.ivs4-tile--app::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(16, 20, 28, 0.74) 0%, rgba(16, 20, 28, 0.3) 30%, rgba(16, 20, 28, 0) 52%);
  pointer-events: none;
}
.ivs4-tile--weather figcaption,
.ivs4-tile--app figcaption {
  top: auto;
  bottom: 0;
  z-index: 1;
  color: rgba(255, 255, 255, 0.78);
}
.ivs4-tile--weather figcaption strong,
.ivs4-tile--app figcaption strong {
  color: #fff;
}
.ivs4-tile--weather img {
  object-position: 50% 62%;
}
.ivs4-tile--au {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  height: 400px;
  padding: 1.75rem;
  background: var(--ivs-wash);
  color: var(--ivs-ink);
}
.ivs4-tile--au .ivs4-tile__big {
  color: var(--ivs-accent);
}
.ivs4-tile__big {
  font-size: clamp(3rem, 5.4vw, 4.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.055em;
}
.ivs4-tile__title {
  margin-top: 0.4rem !important;
  color: var(--ivs-ink);
  font-size: 1.05rem;
  font-weight: 600;
}
.ivs4-tile--au ul {
  margin-top: auto;
}
.ivs4-tile--au li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--ivs-line);
  color: var(--ivs-text);
  font-size: 0.86rem;
  line-height: 1.35;
}
.ivs4-tile--app,
.ivs4-tile--storage {
  grid-column: span 3;
  height: 340px;
}
.ivs4-tile--app {
  background: #2a2f37;
}
.ivs4-tile--app img {
  object-position: 50% 40%;
}
.ivs4-tile--storage picture {
  position: absolute;
  inset: 28% -2% -6%;
  width: auto;
  height: auto;
}
.ivs4-tile--storage img {
  object-fit: contain;
  mix-blend-mode: multiply;
}

.ivs4-box {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.ivs4-box__media {
  display: block;
  padding: 7% 6%;
  border-radius: 20px;
  background: var(--ivs-wash);
}
.ivs4-box__media img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
  transition: transform 0.6s var(--ivs-ease);
}
.ivs4-box__media:hover img {
  transform: scale(1.025);
}
.ivs4-box__sub {
  margin-top: 0.6rem !important;
  color: var(--ivs-text);
  font-size: 1.02rem;
}
.ivs4-specs {
  margin: 1.5rem 0 1.25rem;
}
.ivs4-specs div {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--ivs-line);
}
.ivs4-specs div:last-child {
  border-bottom: 1px solid var(--ivs-line);
}
.ivs4-specs dt {
  color: var(--ivs-mute);
  font-size: 0.85rem;
  font-weight: 600;
}
.ivs4-specs dd {
  margin: 0;
  color: var(--ivs-ink);
  font-size: 0.93rem;
  font-weight: 500;
}

.ivs4-series__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem !important;
}
.ivs4-series__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0.9rem 1.5rem;
  border-radius: 18px;
  text-align: center;
}
.ivs4-series__col.is-current {
  background: var(--ivs-wash);
  box-shadow: inset 0 3px 0 var(--ivs-accent);
}
.ivs4-series__col picture {
  display: block;
  width: 100%;
  max-width: 190px;
}
.ivs4-series__col img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}
.ivs4-series__tag {
  margin-top: 0.9rem !important;
  color: var(--ivs-mute);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.is-current .ivs4-series__tag {
  color: var(--ivs-link);
}
.ivs4-series__name {
  margin: 0.35rem 0 0.9rem;
  text-transform: none;
  color: var(--ivs-ink);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.ivs4-series__rows {
  width: 100%;
  margin-bottom: 1.1rem !important;
}
.ivs4-series__rows li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--ivs-line);
  color: var(--ivs-text);
  font-size: 0.86rem;
  line-height: 1.35;
}
.ivs4-series__col .ivs4-link {
  margin-top: auto;
  font-size: 0.88rem;
}

.ivs4-brochure {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 3.4vw, 2.75rem) clamp(1.5rem, 4vw, 3.5rem);
  border-radius: 20px;
  background: var(--ivs-wash);
}
.ivs4-brochure__cover {
  display: block;
  transform: rotate(-2deg);
  transition: transform 0.4s var(--ivs-ease);
}
.ivs4-brochure__cover:hover {
  transform: rotate(0deg) translateY(-3px);
}
.ivs4-brochure__cover img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(12, 31, 63, 0.12), 0 12px 28px rgba(12, 31, 63, 0.16);
}
.ivs4-brochure__text {
  max-width: 34rem;
  margin: 0.8rem 0 1.4rem !important;
  color: var(--ivs-text);
  font-size: 1rem;
  line-height: 1.55;
}
.ivs4-brochure__meta {
  margin-top: 0.6rem !important;
  color: var(--ivs-mute);
  font-size: 0.8rem;
}

.ivs4-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 2rem;
}
.ivs4-faq__call {
  margin-top: 1rem !important;
  color: var(--ivs-text);
  font-size: 0.95rem;
  line-height: 1.5;
}
.ivs4-faq__call a {
  color: var(--ivs-ink) !important;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none !important;
}
.ivs4-faq__item {
  border-bottom: 1px solid var(--ivs-line);
}
.ivs4-faq__item:first-child {
  border-top: 1px solid var(--ivs-line);
}
.ivs4-faq__item summary {
  position: relative;
  padding: 1.1rem 2.5rem 1.1rem 0;
  color: var(--ivs-ink);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  list-style: none;
  cursor: pointer;
}
.ivs4-faq__item summary::-webkit-details-marker {
  display: none;
}
.ivs4-faq__item summary::before,
.ivs4-faq__item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.35rem;
  width: 13px;
  height: 1.6px;
  background: var(--ivs-ink);
  transition: transform 0.25s ease;
}
.ivs4-faq__item summary::after {
  transform: rotate(90deg);
}
.ivs4-faq__item[open] summary::after {
  transform: rotate(0deg);
}
.ivs4-faq__item p {
  max-width: 40rem;
  padding: 0 2.5rem 1.25rem 0;
  color: var(--ivs-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Scroll reveal (only once JS is running) */
html.ivs4-js .ivs4-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ivs-ease), transform 0.9s var(--ivs-ease);
}
html.ivs4-js .ivs4-reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .ivs4-hero__text {
    transform: none !important;
  }
  .ivs4-frame.is-on img,
  .ivs4-pick__img img,
  html.ivs4-js .ivs4-reveal {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
  html.ivs4-js .ivs4-reveal {
    opacity: 1;
  }
}

@media (min-width: 768px) and (max-height: 780px) {
  .ivs4-hero {
    min-height: 330px;
    max-height: 392px;
  }
  .ivs4-hero__copy {
    padding-top: 1.5rem;
    padding-bottom: 1.25rem;
  }
  .ivs4-hero__title {
    margin-bottom: 0.7rem;
  }
  .ivs4-hero__actions {
    margin-top: 1.2rem;
  }
}

@media (max-width: 1199.98px) {
  .ivs4-hero__copy {
    max-width: 56%;
  }
  .ivs4-hero__title {
    font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  }
}

@media (max-width: 991.98px) {
  .ivs4-range__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    row-gap: 1rem;
  }
  .ivs4-series__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .ivs4 {
    margin-bottom: 1.25rem;
  }
  .ivs4-hero {
    grid-template-rows: auto auto;
    grid-template-areas: "stage" "copy";
    min-height: 0;
    max-height: none;
    aspect-ratio: auto;
    width: auto;
    margin: 0 calc(50% - 50vw);
    border-radius: 0;
  }
  .ivs4-hero__stage {
    position: relative;
    left: auto;
    bottom: auto;
    grid-area: stage;
    aspect-ratio: 16 / 10;
    border-radius: 0;
  }
  .ivs4-hero__stage::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(16, 20, 28, 0.62) 0%, rgba(16, 20, 28, 0) 32%);
    pointer-events: none;
  }
  .ivs4-chapters {
    height: auto;
  }
  .ivs4-chapter {
    color: rgba(255, 255, 255, 0.78);
  }
  .ivs4-chapter:hover,
  .ivs4-chapter.is-on {
    color: #fff;
  }
  .ivs4-chapter__bar {
    background: rgba(255, 255, 255, 0.35);
  }
  .ivs4-chapter__bar i {
    background: #fff;
  }
  .ivs4-playpause {
    border-color: rgba(255, 255, 255, 0.6);
  }
  .ivs4-playpause span,
  .ivs4-playpause span::after {
    background: #fff;
  }
  .ivs4-playpause.is-paused span {
    border-color: transparent transparent transparent #fff;
    background: none;
  }
  .ivs4-frame--studio img {
    object-position: 62% 58%;
  }
  .ivs4-frame--deter img {
    object-position: 72% 50%;
  }
  .ivs4-frame--ai img {
    object-position: 82% 50%;
  }
  .ivs4-chapters {
    grid-area: stage;
    align-self: end;
    gap: 0.6rem;
    padding: 0 1.1rem 0.9rem;
  }
  .ivs4-chapter {
    font-size: 0.7rem;
  }
  .ivs4-chapter__bar {
    margin-bottom: 0.45rem;
  }
  .ivs4-hero__copy {
    grid-area: copy;
    max-width: none;
    padding: 1.2rem 1.25rem 1.35rem;
  }
  .ivs4-hero .ivs4-eyebrow {
    margin-bottom: 0.6rem;
  }
  .ivs4-hero__title {
    margin-bottom: 0.6rem;
    font-size: 2.05rem;
  }
  .ivs4-hero__sub {
    font-size: 0.95rem;
  }
  .ivs4-hero__actions {
    margin-top: 1.15rem;
  }
  .ivs4-btn {
    min-height: 42px;
  }

  .ivs4-range {
    margin-top: 1.4rem;
  }
  .ivs4-range__head {
    margin-bottom: 0.7rem;
  }
  .ivs4-range__title {
    font-size: 1.05rem;
  }
  .ivs4-range__list {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 29%;
    gap: 0.6rem;
    margin: 0 calc(50% - 50vw);
    padding: 0 calc(50vw - 50%) 0.25rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 calc(50vw - 50%);
    scrollbar-width: none;
  }
  .ivs4-range__list::-webkit-scrollbar {
    display: none;
  }
  .ivs4-range__list li {
    scroll-snap-align: start;
  }
  .ivs4-pick__label {
    font-size: 0.76rem;
  }

  .ivs4--after {
    gap: 3rem;
    margin-top: 2.5rem;
  }
  .ivs4-night {
    margin: 0 calc(50% - 50vw);
    padding: 2.25rem 0 0;
    border-radius: 0;
  }
  .ivs4-night__copy {
    margin-bottom: 1.5rem;
    padding: 0 1.25rem;
  }
  .ivs4-compare-img {
    aspect-ratio: 4 / 3;
    border-radius: 0;
  }
  .ivs4-compare-img img {
    object-position: 62% 50%;
  }
  .ivs4-bento {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }
  .ivs4-tile--weather,
  .ivs4-tile--au,
  .ivs4-tile--app,
  .ivs4-tile--storage {
    grid-column: auto;
  }
  .ivs4-tile--weather {
    height: 340px;
  }
  .ivs4-tile--au {
    height: auto;
    min-height: 260px;
  }
  .ivs4-tile--au ul {
    margin-top: 1.5rem;
  }
  .ivs4-tile--app,
  .ivs4-tile--storage {
    height: 300px;
  }
  .ivs4-tile figcaption {
    padding: 1.3rem 1.35rem;
  }
  .ivs4-tile figcaption strong {
    font-size: 1.2rem;
  }
  .ivs4-box {
    grid-template-columns: minmax(0, 1fr);
  }
  .ivs4-series__grid {
    gap: 0.5rem;
  }
  .ivs4-series__col {
    padding: 0.75rem 0.4rem 1.25rem;
  }
  .ivs4-series__name {
    font-size: 1.1rem;
  }
  .ivs4-series__rows li {
    font-size: 0.8rem;
  }
  .ivs4-faq {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }
  .ivs4-brochure {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 1.25rem;
    padding: 1.4rem 1.25rem;
  }
  .ivs4-brochure .ivs4-h2 {
    font-size: 1.45rem;
  }
  .ivs4-brochure__text {
    margin: 0.5rem 0 1rem !important;
    font-size: 0.92rem;
  }
}

.ivs4-series__note {
  margin-top: 1.5rem !important;
  color: var(--ivs-text);
  font-size: 0.9rem;
  text-align: center;
}