*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-relaxed);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0;
  text-wrap: pretty;
}

p { margin: 0; text-wrap: pretty; }

ul { margin: 0; padding: 0; }

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover { color: var(--text-link-hover); }

::selection { background: var(--green-200); color: var(--green-900); }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ---- Utilities --------------------------------------------------------- */

.zk-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.zk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-strong);
}
.zk-eyebrow::before {
  content: "";
  width: 18px;
  height: 1.5px;
  background: currentColor;
  opacity: 0.7;
}

.zk-display {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.zk-lead {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---- Section layout ---------------------------------------------------- */

.zk-section {
  padding-block: var(--section-padding-y);
}

.zk-section--sunken { background: var(--surface-sunken); }
.zk-section--inverse { background: var(--surface-inverse); }
.zk-section--inverse-2 { background: var(--surface-inverse-2); }

/* ---- Grid helpers ------------------------------------------------------ */

.zk-grid-4 {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  flex-wrap: wrap;
  text-align: center;
}

.zk-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---- Bento grid (AI types section) ------------------------------------- */

.zk-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.zk-bento__cell {
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.zk-bento__cell--muted  { background: var(--surface-sunken); }
.zk-bento__cell--card   { background: var(--surface-card); border: 1px solid var(--border-subtle); }
.zk-bento__cell--accent {
  background: var(--accent);
  color: var(--text-on-accent);
}
.zk-bento__cell--accent .zk-feature-card__eyebrow { color: var(--green-300); }
.zk-bento__cell--accent .zk-feature-card__title   { color: var(--text-on-accent); }
.zk-bento__cell--accent .zk-feature-card__desc    { color: rgba(255,255,255,0.75); }
.zk-bento__cell--accent .zk-feature-card__list li { color: rgba(255,255,255,0.75); }
.zk-bento__cell--accent .zk-feature-card__list li::before { background: var(--green-300); }
.zk-bento__cell--accent .zk-icon-tile--soft {
  background: rgba(255,255,255,0.15);
  color: var(--text-on-accent);
}

@media (max-width: 620px) {
  .zk-bento { grid-template-columns: 1fr; }
}

.zk-split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

/* ---- Card -------------------------------------------------------------- */

.zk-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.zk-card--hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--border-strong);
}
.zk-card--pad-sm  { padding: var(--space-5); }
.zk-card--pad-md  { padding: var(--space-6); }
.zk-card--pad-lg  { padding: var(--space-8); }

/* ---- Button ------------------------------------------------------------ */

.zk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: 0.005em;
  border-radius: var(--radius-control);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.zk-btn--sm { height: 36px; padding: 0 16px; font-size: var(--text-sm); }
.zk-btn--md { height: 44px; padding: 0 22px; font-size: var(--text-base); }
.zk-btn--lg { height: 54px; padding: 0 30px; font-size: var(--text-md); }
.zk-btn--full { width: 100%; }

.zk-btn--primary {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-xs);
}
.zk-btn--primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: scale(1.04);
}
.zk-btn--primary:active { transform: scale(0.98); box-shadow: var(--shadow-xs); }

.zk-btn--secondary {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.zk-btn--secondary:hover {
  border-color: var(--accent-strong);
  color: var(--accent-strong);
  transform: scale(1.04);
}
.zk-btn--secondary:active { transform: scale(0.98); }

.zk-btn--ghost {
  background: transparent;
  color: var(--text-primary);
}
.zk-btn--ghost:hover { background: var(--surface-subtle); transform: scale(1.04); }
.zk-btn--ghost:active { transform: scale(0.98); }

/* ---- Pill (filter chip) ------------------------------------------------ */

.zk-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  color: var(--text-secondary);
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}
.zk-pill:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.zk-pill--active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--text-on-accent);
}
.zk-pill--active:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--text-on-accent);
}

/* ---- Badge ------------------------------------------------------------- */

.zk-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
}
.zk-badge--success {
  background: var(--status-success-bg);
  color: var(--status-success);
}
.zk-badge--dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ---- Form inputs ------------------------------------------------------- */

.zk-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
}
.zk-field label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}
.zk-input-wrap {
  display: flex;
  align-items: center;
  height: 46px;
  padding: 0 14px;
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.zk-input-wrap:focus-within {
  border-color: var(--accent-strong);
  box-shadow: var(--ring-focus);
}
.zk-input-wrap input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
}
.zk-input-wrap input::placeholder { color: var(--text-muted); }

.zk-textarea {
  width: 100%;
  padding: 12px 14px;
  resize: vertical;
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.zk-textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: var(--ring-focus);
}
.zk-textarea::placeholder { color: var(--text-muted); }

/* ---- Section heading --------------------------------------------------- */

.zk-section-heading {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.zk-section-heading--center {
  align-items: center;
  text-align: center;
}
.zk-section-heading__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-strong);
}
.zk-section-heading__eyebrow--inverse { color: var(--green-300); }
.zk-section-heading__eyebrow::before {
  content: "";
  width: 18px;
  height: 1.5px;
  background: currentColor;
  opacity: 0.7;
}
.zk-section-heading__title {
  font-weight: var(--weight-semibold);
  font-size: clamp(1.85rem, 3.4vw, 2.875rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--text-primary);
  margin: 0;
  text-wrap: pretty;
}
.zk-section-heading__title--inverse { color: var(--text-on-inverse); }
.zk-section-heading__desc {
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  max-width: 620px;
}
.zk-section-heading__desc--inverse { color: var(--text-inverse-muted); }

/* ---- Icon tile --------------------------------------------------------- */

.zk-icon-tile {
  display: grid;
  place-items: center;
  flex: none;
  border-radius: var(--radius-md);
}
.zk-icon-tile--soft {
  background: var(--accent-soft-bg);
  color: var(--accent);
}
.zk-icon-tile--solid {
  background: var(--accent);
  color: var(--text-on-accent);
}

/* ---- Header ------------------------------------------------------------ */

.zk-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--surface-page);
  border-bottom: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, backdrop-filter 0.25s;
}
.zk-header--scrolled {
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--border-subtle);
}
.zk-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.zk-header__logo img { height: 30px; width: auto; display: block; }
.zk-header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.zk-header__nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}
.zk-header__nav a:hover { color: var(--text-primary); }
.zk-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.zk-header__actions .zk-login {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}
.zk-header__actions .zk-login:hover { color: var(--text-primary); }

.zk-mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.zk-mobile-menu {
  display: none;
  border-top: 1px solid var(--border-subtle);
  padding: 14px var(--container-pad) 22px;
  background: var(--surface-page);
}
.zk-mobile-menu--open { display: block; }
.zk-mobile-menu__links { display: flex; flex-direction: column; gap: 4px; }
.zk-mobile-menu__links a {
  padding: 10px 0;
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}
.zk-mobile-menu__cta { margin-top: 16px; }


/* ---- Feature card ------------------------------------------------------ */

.zk-feature-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}
.zk-feature-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.zk-feature-card__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-strong);
}
.zk-feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.zk-feature-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.zk-feature-card__list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.zk-feature-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.zk-feature-card__list li::before {
  content: "";
  margin-top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-strong);
  flex: none;
}


/* ---- Differentiators strip -------------------------------------------- */

.zk-diff-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 4vw, 3.5rem);
}

.zk-diff-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 18px;
  border-left: 2px solid var(--accent-strong);
}

.zk-diff-item__title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.zk-diff-item__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 560px) {
  .zk-diff-strip {
    grid-template-columns: 1fr;
  }
}

/* ---- Process step ------------------------------------------------------ */

.zk-process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  width: 100%;
}

.zk-process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  flex: 1;
  position: relative;
}

/* connector line between steps */
.zk-process-step + .zk-process-step::before {
  content: "";
  position: absolute;
  top: 28px;
  right: calc(50% + 44px);
  left: calc(-50% + 44px);
  height: 1px;
  background: var(--border-default);
}

.zk-process-step__ring {
  position: relative;
  z-index: 1;
  width: 56px;
  height: 56px;
  flex: none;
  overflow: visible;
}

.zk-process-step__ring-track {
  fill: none;
  stroke: var(--border-default);
  stroke-width: 2;
}

.zk-process-step__ring-fill {
  fill: none;
  stroke: var(--accent-strong);
  stroke-width: 2.5;
  stroke-linecap: round;
  transform-origin: center;
  transform: rotate(-90deg);
}

.zk-process-step__ring-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  fill: var(--accent-strong);
  text-anchor: middle;
  dominant-baseline: central;
  letter-spacing: 0.04em;
}

.zk-process-step__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-inline: var(--space-4);
}

.zk-process-step__title {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}

.zk-process-step__desc {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 700px) {
  .zk-process-grid {
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 360px;
  }
  .zk-process-step { flex-direction: row; text-align: left; align-items: flex-start; gap: 16px; padding-bottom: 24px; }
  .zk-process-step + .zk-process-step::before {
    top: calc(-24px + 0px);
    bottom: unset;
    left: 27px;
    right: unset;
    width: 1px;
    height: 24px;
  }
  .zk-process-step__body { padding-inline: 0; padding-top: 6px; }
}

/* ---- Results / inverse band ------------------------------------------- */

.zk-results-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-300);
}
.zk-results-eyebrow::before {
  content: "";
  width: 18px;
  height: 1.5px;
  background: currentColor;
  opacity: 0.7;
}
.zk-stat-value {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 0.95;
  font-size: clamp(3rem, 5.5vw, 4.5rem);
  color: var(--text-on-inverse);
}
.zk-stat-sign { color: var(--green-300); }
.zk-stat-label {
  font-size: var(--text-sm);
  color: var(--text-inverse-muted);
  line-height: 1.5;
  max-width: 200px;
}


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

.zk-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-md);
}
.zk-cta-benefits {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.zk-cta-benefits li {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: var(--text-base);
  color: var(--text-primary);
}
.zk-cta-benefits li .zk-icon-tile {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}
.zk-form-panel {
  background: var(--surface-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 2.5vw, 2rem);
}
.zk-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.zk-form-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- Footer ------------------------------------------------------------ */

.zk-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
}

.zk-footer__links {
  display: contents;
}

@media (max-width: 620px) {
  .zk-footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: clamp(1rem, 3vw, 1.5rem);
    grid-column: 1 / -1;
  }
}
.zk-footer__brand { display: flex; flex-direction: column; gap: 16px; max-width: 280px; }
.zk-footer__brand img { height: 28px; width: auto; max-width: 160px; object-fit: contain; object-position: left center; }
.zk-footer__brand p { font-size: var(--text-sm); color: var(--text-inverse-muted); line-height: 1.6; margin: 0; }
.zk-footer__col { display: flex; flex-direction: column; gap: 12px; }
.zk-footer__col-heading {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
}
.zk-footer__col a {
  font-size: var(--text-sm);
  color: var(--text-on-inverse);
  opacity: 0.85;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.zk-footer__col a:hover { opacity: 1; color: var(--text-on-inverse); }
.zk-footer__bottom {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding-top: 24px;
  border-top: 1px solid var(--border-inverse);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.zk-footer__copy { font-size: var(--text-xs); color: var(--text-inverse-muted); }
.zk-footer__legal { display: flex; gap: 22px; }
.zk-footer__legal a { font-size: var(--text-xs); color: var(--text-inverse-muted); }

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

@media (max-width: 1000px) {
  .zk-header__nav,
  .zk-header__actions { display: none !important; }
  .zk-mobile-toggle { display: inline-flex !important; }

  .zk-hero-grid { grid-template-columns: 1fr !important; }
  .zk-hero-visual { display: none !important; }
  .zk-split { grid-template-columns: 1fr !important; }
  .zk-grid-4 { gap: clamp(1.5rem, 4vw, 3rem) !important; }
  .zk-cases-grid { grid-template-columns: 1fr !important; }
  .zk-cta-grid { grid-template-columns: 1fr !important; }
  .zk-footer-grid { grid-template-columns: 1fr !important; }
  .zk-footer__brand { margin-bottom: 0.5rem; }
  .zk-bento__cell { padding: var(--space-6) !important; }
  .zk-footer__brand { max-width: 100%; }
}

@media (max-width: 620px) {
  .zk-grid-4 { gap: 1.5rem 2rem !important; }
  .zk-footer-grid { grid-template-columns: 1fr !important; }
  .zk-form-row { grid-template-columns: 1fr !important; }
  .zk-cta-grid { border-radius: var(--radius-xl) !important; padding: clamp(1.25rem, 4vw, 2rem) !important; }
  .zk-cap-col { min-width: 100%; }
}

@media (max-width: 480px) {
  .zk-hero-stats { grid-template-columns: 1fr 1fr; }
  .zk-hero-stat__value { font-size: var(--text-lg); }
  .zk-bento__cell { padding: var(--space-5) !important; }
}

/* ── Reveal on scroll ───────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal--from-left  { transform: translateX(-28px); }
.reveal--from-right { transform: translateX(28px);  }
.reveal--from-left.is-visible,
.reveal--from-right.is-visible { transform: none; }

.reveal--d1 { transition-delay: 80ms;  }
.reveal--d2 { transition-delay: 160ms; }
.reveal--d3 { transition-delay: 240ms; }
.reveal--d4 { transition-delay: 320ms; }

.reveal--step-d1 { transition-delay: 150ms; }
.reveal--step-d2 { transition-delay: 350ms; }
.reveal--step-d3 { transition-delay: 550ms; }
.reveal--step-d4 { transition-delay: 750ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}