/* ==========================================================================
   Self-hosted Fonts
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   Design Tokens (Kontu-inspired neutral base + Alinear brand accents)
   ========================================================================== */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8f8;
  --bg-tertiary: #f1f3f4;

  --text-primary: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-tertiary: #9a9a9a;

  --border-default: #ebebeb;
  --border-hover: #d4d4d4;

  --brand-navy: #072A45;
  --brand-teal: #03968A;
  --brand-teal-strong: #027A70; /* ≥5.2:1 contrast against #ffffff for normal text & CTAs */
  --brand-teal-hover: #02665E;
  --brand-mint: #2EE59D; /* Icon fill or text on dark navy only */
  --brand-gradient: linear-gradient(135deg, #072A45 0%, #03968A 100%);

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-pill: 9999px;

  --shadow-card: 0 1px 2px rgba(10, 18, 28, 0.04), 0 8px 24px -4px rgba(7, 42, 69, 0.06);
  --shadow-mockup: 0 2px 6px rgba(7, 42, 69, 0.04), 0 20px 44px -12px rgba(7, 42, 69, 0.10);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

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

body {
  margin: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 450;
  line-height: 1.6;
  letter-spacing: -0.01em;
  font-size-adjust: from-font;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--brand-teal-strong);
  outline-offset: 3px;
  border-radius: 4px;
}

[inert],
[inert] * {
  opacity: 0;
  pointer-events: none;
  user-select: none;
}

.mono {
  font-family: var(--font-mono);
  font-size-adjust: ch-width from-font;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container-narrow {
  max-width: 760px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

.section {
  padding-block: 4.5rem;
  border-top: 1px solid var(--border-default);
}

.section-alt {
  background-color: var(--bg-secondary);
}

@media (min-width: 768px) {
  .section {
    padding-block: 6rem;
  }
}

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

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 3.25rem;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.eyebrow-inverse {
  color: var(--brand-mint);
}

.section-title {
  font-size: clamp(1.625rem, 3.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text-primary);
  text-wrap: balance;
}

/* ==========================================================================
   Sticky Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border-default);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  padding-block: 0.25rem;
}

.brand-logo {
  height: 2.35rem;
  width: auto;
}

.header-wa-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.header-wa-pill:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--brand-mint);
  box-shadow: 0 0 0 2px rgba(46, 229, 157, 0.24);
  flex-shrink: 0;
}

.icon-wa {
  color: var(--brand-teal-strong);
  flex-shrink: 0;
}

/* ==========================================================================
   1. Hero Section
   ========================================================================== */

.hero {
  padding-top: 3rem;
  padding-bottom: 4.5rem;
}

@media (min-width: 768px) {
  .hero {
    padding-top: 5rem;
    padding-bottom: 6.5rem;
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3.5rem;
  }
}

.hero-copy {
  max-width: 38rem;
}

.hero-title {
  font-size: clamp(2.125rem, 4.6vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.125rem;
  text-wrap: balance;
}

.text-accent {
  color: var(--brand-teal);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 450;
  line-height: 1.5;
  margin-bottom: 1.75rem;
  text-wrap: pretty;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem 1.25rem;
  margin-bottom: 2.25rem;
}

.hero-check-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.check-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background-color: var(--brand-mint);
  color: var(--brand-navy);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  background-color: var(--brand-teal-strong);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 10px rgba(2, 122, 112, 0.2);
  transition: background-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary:hover {
  background-color: var(--brand-teal-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(2, 122, 112, 0.26);
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.18s ease;
}

.btn-primary:hover .btn-arrow,
.btn-cta-final:hover .btn-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   Hero UI Mockup Card
   ========================================================================== */

.mockup-wrapper {
  width: 100%;
  max-width: 30rem;
  margin-inline: auto;
}

@media (min-width: 960px) {
  .mockup-wrapper {
    margin-inline: 0;
    justify-self: end;
  }
}

.mockup-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-mockup);
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-default);
}

.mockup-window-dots {
  display: none;
  gap: 6px;
}

@media (min-width: 420px) {
  .mockup-header {
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
  }

  .mockup-window-dots {
    display: flex;
  }
}

.mockup-window-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-hover);
}

.mockup-title-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
}

.mockup-sep {
  color: var(--text-secondary);
}

.mockup-period {
  color: var(--text-secondary);
}

.mockup-badge-top {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  background-color: var(--brand-navy);
  color: var(--brand-mint);
  white-space: nowrap;
  flex-shrink: 0;
}

.mockup-body {
  padding: 1.125rem 1.25rem;
}

.mockup-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 0.875rem;
  border-bottom: 1px solid var(--border-default);
}

.mockup-summary-right {
  text-align: right;
}

.mockup-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.mockup-value {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
}

.mockup-steps {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.mockup-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
}

.mockup-step-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.mockup-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background-color: var(--brand-navy);
  color: var(--brand-mint);
  flex-shrink: 0;
}

.mockup-step-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.mockup-step-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.mockup-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-default);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.mockup-footer .mockup-sep {
  display: none;
}

.mockup-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
}

.mockup-status strong {
  font-weight: 600;
  color: var(--brand-teal-strong);
}

.mockup-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--brand-mint);
}

/* ==========================================================================
   2. Cómo Funciona (01 / 02 / 03 Cards)
   ========================================================================== */

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

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.step-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.step-card:hover {
  border-color: var(--border-hover);
}

.step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--brand-teal-strong);
  background-color: rgba(3, 150, 138, 0.08);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  margin-bottom: 1.125rem;
}

.step-title {
  font-size: 1.1875rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   3 & 5. Accordions (Servicios + Preguntas)
   ========================================================================== */

.accordion-group {
  border-top: 1px solid var(--border-default);
}

.accordion-item {
  border-bottom: 1px solid var(--border-default);
  transition: border-color 0.18s ease;
}

.accordion-item:hover {
  border-bottom-color: var(--border-hover);
}

.accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
  padding-block: 1.125rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  transition: color 0.18s ease;
}

.accordion-summary::-webkit-details-marker {
  display: none;
}

.accordion-summary:hover {
  color: var(--brand-teal-strong);
}

.accordion-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease, color 0.22s ease;
}

.accordion-item:hover .accordion-icon {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.accordion-item[open] .accordion-icon {
  transform: rotate(90deg);
  background-color: var(--brand-navy);
  border-color: var(--brand-navy);
  color: var(--brand-mint);
}

.accordion-item[open] .accordion-plus {
  transform: rotate(45deg);
}

.accordion-item::details-content {
  display: block;
}

.accordion-content {
  padding-bottom: 1.35rem;
  padding-right: 2.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.accordion-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.875rem;
  min-height: 2.75rem;
  padding-block: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--brand-teal-strong);
  transition: gap 0.18s ease;
}

.accordion-cta:hover {
  gap: 0.65rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ==========================================================================
   4. Testimonials (Placeholder cards)
   ========================================================================== */

.placeholder-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.875rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: #fff8e6;
  border: 1px solid #f0d999;
  color: #6b4e00;
  font-size: 0.8125rem;
  font-weight: 500;
}

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

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--bg-primary);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  gap: 1.125rem;
}

.testimonial-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.stars {
  color: var(--brand-teal-strong);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.placeholder-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

.testimonial-quote p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-default);
}

.testimonial-author strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ==========================================================================
   6. Final CTA Block (Navy -> Teal Gradient)
   ========================================================================== */

.cta-section {
  padding-block: 4rem 5rem;
}

.cta-final-block {
  background: var(--brand-gradient);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 3.25rem 1.5rem;
  text-align: center;
  box-shadow: 0 20px 48px -12px rgba(7, 42, 69, 0.25);
}

@media (min-width: 768px) {
  .cta-final-block {
    padding: 4.5rem 3rem;
  }
}

.cta-final-title {
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.cta-final-sub {
  max-width: 32rem;
  margin-inline: auto;
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
  text-wrap: balance;
}

.btn-cta-final {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-height: 3.35rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-pill);
  background-color: var(--brand-mint);
  color: var(--brand-navy);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.16);
  transition: transform 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.btn-cta-final:hover {
  background-color: #4bf0ae;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.btn-cta-final:focus-visible {
  outline-color: #ffffff;
}

.cta-final-note {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.84);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border-default);
  padding-block: 2.5rem 5.5rem;
  background-color: var(--bg-primary);
}

@media (min-width: 768px) {
  .site-footer {
    padding-block: 3rem;
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-logo {
  height: 2rem;
  width: auto;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.75rem;
  padding-block: 0.35rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.18s ease;
}

.footer-social-link:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Mobile Floating WhatsApp Button
   ========================================================================== */

.floating-wa {
  position: fixed;
  right: 1.125rem;
  bottom: 1.125rem;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-pill);
  background-color: var(--brand-navy);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(7, 42, 69, 0.28);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.floating-wa svg {
  color: var(--brand-mint);
}

.floating-wa.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (min-width: 768px) {
  .floating-wa {
    display: none;
  }
}

/* ==========================================================================
   Motion & Scroll-driven Animations (disabled under prefers-reduced-motion)
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  @keyframes fade-up-in {
    from {
      opacity: 0;
      transform: translateY(14px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes check-pop {
    0% {
      opacity: 0;
      transform: scale(0.6);
    }
    70% {
      opacity: 1;
      transform: scale(1.08);
    }
    100% {
      opacity: 1;
      transform: scale(1);
    }
  }

  .hero-enter {
    animation: fade-up-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .hero-enter-delay {
    animation-delay: 0.12s;
  }

  .mockup-step .mockup-check {
    animation: check-pop 0.42s cubic-bezier(0.22, 1, 0.36, 1) backwards;
    animation-delay: calc(0.25s + var(--step-index, 1) * 0.14s);
  }

  /* Native CSS Scroll-Driven View Timeline with feature detection */
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes section-reveal {
      from {
        transform: translateY(24px);
      }
      to {
        transform: translateY(0);
      }
    }

    .reveal-on-scroll > .container {
      animation: section-reveal auto linear backwards;
      animation-timeline: view();
      animation-range: entry 0% entry 28%;
    }
  }

  /* Fallback classes when CSS Scroll-Driven Animations are not supported */
  .reveal-fallback-ready {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  }

  .reveal-fallback-ready.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}