/* --------------------------------------------------------------
   Home page styles aligned with the new header art direction
---------------------------------------------------------------- */

#site-content.home-page {
  --home-accent: #1abc9c;
  --home-accent-soft: rgba(26, 188, 156, 0.16);
  --home-accent-border: rgba(26, 188, 156, 0.45);
  --home-surface-background: linear-gradient(
    150deg,
    rgba(34, 34, 34, 0.95) 0%,
    rgba(20, 20, 20, 0.92) 55%,
    rgba(10, 10, 10, 0.9) 100%
  );
  --home-surface-border: rgba(120, 120, 120, 0.35);
  --home-surface-shadow: 0 36px 68px rgba(0, 0, 0, 0.65);
  --home-panel-background: rgba(28, 28, 28, 0.85);
  --home-panel-border: rgba(110, 110, 110, 0.35);
  --home-panel-shadow: 0 30px 56px rgba(0, 0, 0, 0.55);
  --home-card-background: rgba(24, 24, 24, 0.82);
  --home-card-border: rgba(105, 105, 105, 0.3);
  --home-card-shadow: 0 26px 48px rgba(0, 0, 0, 0.6);
  --home-hero-background: linear-gradient(
    155deg,
    rgba(38, 38, 38, 0.95) 0%,
    rgba(22, 22, 22, 0.9) 55%,
    rgba(12, 12, 12, 0.88) 100%
  );
  --home-muted-text: rgba(215, 215, 215, 0.82);
  --home-body-text: rgba(210, 210, 210, 0.78);
  --home-heading-text: rgba(246, 246, 246, 0.96);
  --home-strong-text: rgba(250, 250, 250, 0.98);
  --home-subtle-border: rgba(80, 80, 80, 0.4);

  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 70px);
  width: 100%;
  max-width: none;
  margin: 0;
  padding: clamp(32px, 4vw, 60px) 0 clamp(120px, 14vw, 200px);
  background-color: #0b0b0b;
  color: var(--home-body-text);
}

#site-content.home-page > section {
  position: relative;
  width: 100%;
  padding-inline: clamp(18px, 6vw, 120px);
  box-sizing: border-box;
  z-index: 1;
}

#site-content.home-page > section.home-panel {
  max-width: 80%;
  margin-inline: auto;
}

.surface-card {
  position: relative;
  border: 1px solid var(--home-surface-border);
  border-radius: 32px;
  padding: clamp(28px, 5vw, 56px);
  box-sizing: border-box;
  box-shadow: var(--home-surface-shadow);
  background: var(--home-surface-background);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.first_title {
  color: var(--home-strong-text);
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
  text-align: left;
  letter-spacing: -0.02em;
}

.title {
  color: var(--home-heading-text);
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  font-weight: 600;
  margin: 0;
  text-align: center;
  letter-spacing: 0.04em;
}

.text {
  color: var(--home-muted-text);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.home-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--home-accent-soft);
  border: 1px solid var(--home-accent-border);
  color: var(--home-accent);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.72rem;
}

/* Buttons */
.home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 26px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--home-strong-text);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.home-button i {
  font-size: 1rem;
}

.home-button--primary {
  background: linear-gradient(135deg, var(--home-accent) 0%, rgba(26, 188, 156, 0.7) 100%);
  box-shadow: 0 20px 38px rgba(26, 188, 156, 0.4);
  color: #ffffff;
}

.home-button--primary:hover,
.home-button--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 28px 44px rgba(26, 188, 156, 0.55);
}

.home-button--ghost {
  border-color: var(--home-accent-border);
  background: rgba(26, 188, 156, 0.12);
  color: var(--home-accent);
  box-shadow: 0 18px 36px rgba(26, 188, 156, 0.18);
}

.home-button--ghost:hover,
.home-button--ghost:focus-visible {
  border-color: rgba(26, 188, 156, 0.75);
  background: linear-gradient(135deg, rgba(26, 188, 156, 0.2) 0%, rgba(26, 188, 156, 0.32) 100%);
  color: var(--home-strong-text);
  box-shadow: 0 28px 44px rgba(26, 188, 156, 0.3);
  transform: translateY(-2px);
}

/* Hero */
.home-panel.home-panel--hero {
  padding: clamp(32px, 4.5vw, 48px);
  gap: clamp(28px, 4vw, 40px);
  background: var(--home-hero-background);
  isolation: isolate;
  backdrop-filter: blur(18px);
}

.home-panel--hero::before,
.home-panel--hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(0.4px);
  opacity: 0.65;
  pointer-events: none;
  z-index: 0;
}

.home-panel--hero::before {
  width: clamp(260px, 45vw, 420px);
  height: clamp(260px, 45vw, 420px);
  top: -22%;
  right: -14%;
  background: radial-gradient(circle at 30% 30%, rgba(26, 188, 156, 0.22), rgba(18, 18, 18, 0));
}

.home-panel--hero::after {
  width: clamp(320px, 55vw, 520px);
  height: clamp(320px, 55vw, 520px);
  bottom: -30%;
  left: -18%;
  background: radial-gradient(circle at 65% 65%, rgba(26, 188, 156, 0.18), rgba(16, 16, 16, 0));
}

.home-panel--hero > * {
  position: relative;
  z-index: 1;
}

.home-panel--hero .home-panel__intro {
  gap: clamp(18px, 3vw, 24px);
  align-self: flex-start;
  align-items: flex-start;
  width: 100%;
}

.home-panel--hero .home-panel__intro .home-eyebrow {
  margin-bottom: 0;
}

.home-panel--hero .home-panel__headline {
  margin: 0;
}

.home-panel--hero .home-panel__description {
  margin: 12px 0 0;
  text-align: left;
  max-width: 640px;
}

.home-panel--hero .home-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.home-panel--hero .home-panel__actions .home-button {
  flex: 0 1 auto;
}

.home-panel--hero .home-panel__media {
  justify-content: flex-start;
  align-items: flex-start;
  gap: clamp(24px, 4vw, 32px);
}

.home-panel--hero .home-panel__highlights {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin: 12px 0 0;
  padding: 0;
  width: 100%;
}

.home-panel--hero .home-panel__highlights li {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 16px;
  background: rgba(30, 30, 30, 0.72);
  border: 1px solid var(--home-card-border);
  color: var(--home-muted-text);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.home-panel--hero .home-panel__highlights i {
  color: var(--home-accent);
}

.home-panel--hero .home-experience__intro {
  grid-column: 1 / -1;
  margin-top: clamp(24px, 4vw, 40px);
}

/* Immersive experience */
.home-experience__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.home-experience__title {
  margin: 0;
  color: var(--home-heading-text);
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.home-experience__description {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 1.05rem;
  line-height: 1.7;
}

.home-panel {
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--home-panel-border);
  box-shadow: var(--home-panel-shadow);
  background: var(--home-panel-background);
  padding: clamp(24px, 3.6vw, 36px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: clamp(24px, 4vw, 40px);
  overflow: hidden;
  isolation: isolate;
}

.home-panel > * {
  position: relative;
  z-index: 1;
}

.home-panel:not(.home-panel--hero)::before {
  content: "";
  position: absolute;
  inset: auto;
  width: var(--home-panel-orb-size, clamp(240px, 36vw, 340px));
  height: var(--home-panel-orb-size, clamp(240px, 36vw, 340px));
  border-radius: 50%;
  background: radial-gradient(
    circle at var(--home-panel-orb-origin, 32% 32%),
    rgba(26, 188, 156, 0.24),
    rgba(18, 18, 18, 0)
  );
  filter: blur(0.4px);
  opacity: var(--home-panel-orb-opacity, 0.62);
  pointer-events: none;
  z-index: 0;
  top: var(--home-panel-orb-top, -26%);
  right: var(--home-panel-orb-right, -20%);
  bottom: var(--home-panel-orb-bottom, auto);
  left: var(--home-panel-orb-left, auto);
}

.home-panel--showcase,
.home-panel--community,
.home-panel--workflow {
  grid-column: 1 / -1;
}

.home-panel--showcase {
  --home-panel-orb-size: clamp(260px, 38vw, 360px);
  --home-panel-orb-top: -32%;
  --home-panel-orb-right: -24%;
  --home-panel-orb-origin: 36% 32%;
  --home-panel-orb-opacity: 0.58;
}

.home-panel--community {
  --home-panel-orb-size: clamp(220px, 34vw, 320px);
  --home-panel-orb-top: auto;
  --home-panel-orb-bottom: -28%;
  --home-panel-orb-right: auto;
  --home-panel-orb-left: -24%;
  --home-panel-orb-origin: 70% 68%;
  --home-panel-orb-opacity: 0.57;
}

.home-panel--workflow {
  --home-panel-orb-size: clamp(240px, 36vw, 340px);
  --home-panel-orb-top: -18%;
  --home-panel-orb-right: auto;
  --home-panel-orb-left: 6%;
  --home-panel-orb-origin: 42% 36%;
  --home-panel-orb-opacity: 0.6;
}

.home-panel__intro,
.home-panel__media {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.home-panel__media {
  justify-content: flex-start;
  align-items: stretch;
  gap: clamp(20px, 3vw, 28px);
}

.home-panel--workflow .home-panel__media {
  justify-content: flex-start;
}

.home-panel__intro .home-eyebrow {
  margin-bottom: 4px;
  border-color: var(--home-accent-border);
  align-self: flex-start;
}

.home-panel__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--home-heading-text);
}

.home-panel__text {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 1rem;
  line-height: 1.7;
}

.home-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.home-panel__actions .home-button {
  flex: 0 1 auto;
}



/* Spotlights */
.home-panel--spotlights.surface-card {
  gap: clamp(28px, 5vw, 48px);
  background: var(--home-surface-background);
  border-color: var(--home-surface-border);
}

.home-panel--spotlights {
  --home-panel-orb-size: clamp(300px, 42vw, 440px);
  --home-panel-orb-top: auto;
  --home-panel-orb-bottom: -34%;
  --home-panel-orb-right: -18%;
  --home-panel-orb-origin: 34% 64%;
  --home-panel-orb-opacity: 0.5;
}

.home-panel--spotlights .home-panel__intro {
  max-width: 760px;
}

.home-panel--spotlights .home-panel__title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
}

.home-panel--spotlights .home-panel__text {
  font-size: 1.05rem;
  line-height: 1.7;
}

.home-spotlights__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(20px, 4vw, 32px);
}

.home-spotlights__card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(22px, 4vw, 32px);
  border-radius: 24px;
  background: var(--home-card-background);
  border: 1px solid var(--home-card-border);
  box-shadow: var(--home-card-shadow);
}

.home-spotlights__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(26, 188, 156, 0.9), rgba(109, 242, 210, 0.5));
  color: #021416;
  box-shadow: 0 18px 32px rgba(26, 188, 156, 0.32);
}

.home-spotlights__card-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--home-heading-text);
}

.home-spotlights__card-text {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 1rem;
  line-height: 1.7;
}

.home-spotlights__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.home-spotlights__features li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--home-muted-text);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.home-spotlights__features i {
  color: var(--home-accent);
  font-size: 0.9rem;
}

/* Carousel base */
.carousel {
  width: 100%;
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 28px);
  position: relative;
}

.carousel-items,
.carousel-images {
  flex: 1 1 auto;
  display: flex;
  overflow: hidden;
}

.carousel-inner {
  display: flex;
  gap: 22px;
  width: 100%;
  transition: opacity 0.38s ease, transform 0.38s ease;
}

.carousel-inner.is-transitioning {
  opacity: 0;
  transform: translateX(8px);
}

@media (prefers-reduced-motion: reduce) {
  .carousel-inner {
    transition: none;
  }
}

.product-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--home-card-background);
  border: 1px solid var(--home-card-border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--home-card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 56px rgba(0, 0, 0, 0.65);
}

.product-image-link {
  width: 100%;
  height: 220px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--home-card-border);
}

.product-name-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 12px;
  background: linear-gradient(135deg, rgba(26, 188, 156, 0.82), rgba(109, 242, 210, 0.52));
  color: #ffffff;
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
}

.product-name-link:hover,
.product-name-link:focus-visible {
  background: linear-gradient(135deg, rgba(26, 188, 156, 1), rgba(109, 242, 210, 0.72));
}

.product-name {
  margin: 0;
}

.carousel-control-prev,
.carousel-control-next {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid var(--home-subtle-border);
  background: rgba(32, 32, 32, 0.7);
  color: var(--home-strong-text);
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.carousel-control-prev:hover,
.carousel-control-prev:focus-visible,
.carousel-control-next:hover,
.carousel-control-next:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(150, 150, 150, 0.6);
  background: rgba(40, 40, 40, 0.78);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.5);
}

.carousel-images {
  align-items: stretch;
}

.carousel-images img {
  flex: 1 1 calc(33.333% - 12px);
  border-radius: 20px;
  border: 1px solid var(--home-card-border);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.6);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.carousel-images img:hover {
  transform: translateY(-4px);
  box-shadow: 0 34px 62px rgba(0, 0, 0, 0.65);
}

/* Workflow */
.workflow {
  list-style: none;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin: 0;
  padding: 0;
}

.workflow__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2.4vw, 22px);
  align-items: flex-start;
  padding: clamp(20px, 3vw, 26px);
  border-radius: 22px;
  background: rgba(30, 30, 30, 0.72);
  border: 1px solid var(--home-card-border);
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.workflow__step::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 188, 156, 0.08), transparent 60%);
  pointer-events: none;
}

.workflow__number {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26, 188, 156, 0.92), rgba(109, 242, 210, 0.55));
  color: #021416;
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 26px rgba(26, 188, 156, 0.32);
  z-index: 1;
}

.workflow__content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.workflow__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(26, 188, 156, 0.7);
}

.workflow__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--home-heading-text);
}

.workflow__description {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* Call to action */
.home-cta.surface-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 48px);
  background: var(--home-surface-background);
  border-color: var(--home-surface-border);
}

.home-cta__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.home-cta__title {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--home-heading-text);
}

.home-cta__description {
  margin: 0;
  max-width: 540px;
  color: var(--home-muted-text);
  font-size: 1.05rem;
  line-height: 1.75;
}

.home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.home-cta__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  margin: clamp(26px, 4vw, 36px) 0 0;
  padding: 0;
}

.home-cta__stats .home-cta__stat {
  margin: 0;
}

.home-cta__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 22px;
  border-radius: 16px;
  background: rgba(30, 30, 30, 0.75);
  border: 1px solid var(--home-card-border);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.55);
  min-width: 160px;
}

.home-cta__stat dt {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--home-strong-text);
}

.home-cta__stat dd {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.home-cta__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(280px, 32vw, 420px);
  padding: clamp(22px, 4vw, 36px);
  border-radius: 28px;
  border: 1px solid var(--home-panel-border);
  background: rgba(28, 28, 28, 0.7);
  overflow: hidden;
}

.home-cta__mockup {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: clamp(22px, 4vw, 32px);
  width: min(100%, 320px);
  border-radius: 22px;
  background: rgba(26, 26, 26, 0.82);
  border: 1px solid var(--home-card-border);
  box-shadow: 0 28px 52px rgba(0, 0, 0, 0.55);
  text-align: center;
}

.home-cta__mockup-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(26, 188, 156, 0.72);
}

.home-cta__mockup-visual {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: radial-gradient(circle at 35% 35%, rgba(26, 188, 156, 0.28), rgba(26, 26, 26, 0.85));
  overflow: hidden;
}

.home-cta__mockup-visual img {
  width: 78%;
  height: auto;
  filter: drop-shadow(0 26px 38px rgba(0, 0, 0, 0.45));
}

.home-cta__mockup-caption {
  margin: 0;
  color: var(--home-muted-text);
  font-size: 0.92rem;
  line-height: 1.6;
}

.home-cta__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0.8px);
  opacity: 0.75;
}

.home-cta__orb--primary {
  width: clamp(220px, 24vw, 320px);
  height: clamp(220px, 24vw, 320px);
  top: -12%;
  right: 12%;
  background: radial-gradient(circle at 40% 40%, rgba(26, 188, 156, 0.28), rgba(12, 12, 12, 0.05));
}

.home-cta__orb--secondary {
  width: clamp(180px, 22vw, 280px);
  height: clamp(180px, 22vw, 280px);
  bottom: -18%;
  left: -6%;
  background: radial-gradient(circle at 60% 60%, rgba(26, 188, 156, 0.2), rgba(12, 12, 12, 0.05));
}

/* Legacy link style (kept for compatibility) */
.lien {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--home-accent);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 16px;
  border: 1px solid var(--home-subtle-border);
  background: rgba(32, 32, 32, 0.65);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.lien i {
  font-size: 1rem;
}

.lien:hover,
.lien:focus-visible {
  border-color: rgba(150, 150, 150, 0.6);
  background: rgba(42, 42, 42, 0.75);
  transform: translateY(-2px);
}

.scroll-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(18px, 4vw, 36px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 999px;
  background: rgba(26, 188, 156, 0.92);
  color: #0a0a0a;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45);
  transition: opacity 0.25s ease, transform 0.25s ease;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  z-index: 20;
}

.scroll-to-top i {
  font-size: 1.15rem;
}

.scroll-to-top:focus-visible {
  outline: 2px solid rgba(26, 188, 156, 0.85);
  outline-offset: 4px;
}

.scroll-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}