/* ==========================================================
   María & Juan — Wedding Website V2
   Single-page, mobile-first design system
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Lato:wght@300;400;700&display=swap');

/* --- Design Tokens --- */
:root {
  --cobalt: #2B6FD4;
  --cobalt-light: #4A8BE8;
  --cobalt-dark: #1E5AB0;
  --cobalt-faint: rgba(43, 111, 212, 0.06);
  --cobalt-border: rgba(43, 111, 212, 0.12);
  --marigold: #F5A623;
  --jade: #3DB882;
  --cream: #F5F0E8;
  --cream-dark: #EDE6D8;
  --white: #FEFDFB;
  --text-primary: #2C2C2C;
  --text-secondary: #5A5A5A;
  --text-tertiary: #8A8A8A;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Lato', 'Helvetica Neue', Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --max-w: 720px;
  --header-h: 56px;
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--cobalt);
  text-decoration: none;
  transition: opacity 0.2s;
}
a:hover { opacity: 0.75; }

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--cobalt);
  font-weight: 400;
  line-height: 1.25;
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

p { margin-bottom: var(--space-sm); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background: var(--white);
}

/* Divider between sections */
.divider {
  width: 40px;
  height: 1px;
  background: var(--cobalt-border);
  margin: 0 auto var(--space-lg);
}

/* ==========================================================
   HEADER — sticky, minimal
   ========================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cobalt-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--cobalt);
  letter-spacing: 0.06em;
  text-decoration: none;
  flex-shrink: 0;
}

.header-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--cobalt);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Desktop inline nav — hidden on mobile */
.desktop-nav {
  display: none;
}

/* Mobile fullscreen overlay nav */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(245, 240, 232, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-overlay a {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-secondary);
  padding: 0.8rem 0;
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-nav-overlay a:hover,
.mobile-nav-overlay a.active {
  color: var(--cobalt);
  opacity: 1;
}

/* ==========================================================
   Desktop: ≥768px
   ========================================================== */
@media (min-width: 768px) {
  :root {
    --header-h: 60px;
  }

  h2 { font-size: 2.4rem; }

  .nav-toggle { display: none; }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 0.1rem;
  }

  .desktop-nav a {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    padding: 0.4rem 0.5rem;
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
  }

  .desktop-nav a:hover,
  .desktop-nav a.active {
    color: var(--cobalt);
    opacity: 1;
  }
}

/* ==========================================================
   SECTION: Welcome (Hero)
   ========================================================== */
.welcome {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + var(--space-lg)) 1.25rem var(--space-xl);
}

.welcome__names {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--cobalt);
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: var(--space-xs);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0 0.2em;
}

.welcome__logo-inline {
  display: inline-block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  vertical-align: middle;
}

.welcome__amp {
  font-style: italic;
  opacity: 0.6;
  margin: 0 0.15em;
}

.welcome__date {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  color: var(--cobalt);
  opacity: 0.65;
  margin-bottom: var(--space-lg);
}

.welcome__tagline {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
}

/* Countdown */
.countdown {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.countdown__unit {
  text-align: center;
  min-width: 52px;
}

.countdown__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--cobalt);
  line-height: 1;
}

.countdown__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

/* CTA */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2.2rem;
  border: 1.5px solid var(--cobalt);
  background: transparent;
  color: var(--cobalt);
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
  text-decoration: none;
}

.btn:hover {
  background: var(--cobalt);
  color: var(--cream);
  opacity: 1;
}

.btn--filled {
  background: var(--cobalt);
  color: var(--cream);
}

.btn--filled:hover {
  background: var(--cobalt-dark);
  border-color: var(--cobalt-dark);
}

.btn--small {
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem;
}

@media (min-width: 768px) {
  .welcome__logo-inline { width: 64px; height: 64px; }
  .welcome__names { font-size: 4rem; }
  .welcome__date { font-size: 1.3rem; }
  .countdown__number { font-size: 2.8rem; }
}

/* ==========================================================
   SECTION: Nuestra Historia
   ========================================================== */
.historia {
  text-align: center;
}

.historia p {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.02rem;
  line-height: 1.85;
}

/* Photo pair: "how it started / how it's going" */
.historia-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  max-width: 520px;
  margin: 0 auto var(--space-lg);
}

.historia-photo {
  margin: 0;
}

.historia-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--cobalt-border);
}

.historia-photo figcaption {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-tertiary);
  margin-top: 0.4rem;
}

/* ==========================================================
   SECTION: El Evento — Timeline
   ========================================================== */
.timeline {
  position: relative;
  max-width: 520px;
  margin: var(--space-lg) auto 0;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 1.5px;
  background: var(--cobalt-border);
}

.tl-item {
  position: relative;
  padding-bottom: var(--space-md);
}

.tl-item:last-child { padding-bottom: 0; }

.tl-dot {
  position: absolute;
  left: -32px;
  top: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 1.5px var(--cobalt);
  background: var(--cobalt);
}

.tl-dot--marigold { background: var(--marigold); box-shadow: 0 0 0 1.5px var(--marigold); }
.tl-dot--jade     { background: var(--jade);     box-shadow: 0 0 0 1.5px var(--jade); }

.tl-time {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--cobalt);
  margin-bottom: 0.1rem;
}

.tl-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.tl-desc {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin: 0;
}

/* Venue cards */
.venue-cards {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.venue-card {
  background: var(--white);
  padding: var(--space-md);
  border: 1px solid var(--cobalt-border);
}

.venue-card h3 { margin-bottom: 0.3rem; }

.venue-card__detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.venue-card__link {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.transport-note {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--cobalt-faint);
  font-size: 0.92rem;
  line-height: 1.7;
  text-align: center;
}

@media (min-width: 768px) {
  .venue-cards { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
   SECTION: Código de Vestimenta
   ========================================================== */
.dresscode__intro {
  max-width: 520px;
  margin: 0 auto var(--space-lg);
}

.dresscode-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.dresscode-card {
  text-align: center;
}

.dresscode-card h3 {
  margin-bottom: var(--space-xs);
}

.dresscode-card__img-wrap {
  background: var(--white);
  border: 1px solid var(--cobalt-border);
  margin-bottom: var(--space-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.dresscode-card__img-wrap::after {
  content: 'Toca para ampliar';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.4rem;
  font-size: 0.72rem;
  text-align: center;
  color: var(--text-tertiary);
  background: rgba(245, 240, 232, 0.85);
  opacity: 0.7;
  transition: opacity 0.25s;
  pointer-events: none;
}

.dresscode-card__img-wrap:hover::after {
  opacity: 1;
}

.dresscode-card__img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.dresscode-card__img-wrap:hover img {
  transform: scale(1.02);
}

.dresscode-card__text {
  font-size: 0.95rem;
  max-width: 380px;
  margin: 0 auto;
  line-height: 1.8;
}

.dresscode-note {
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--cobalt-faint);
  max-width: 520px;
  margin: 0 auto;
  font-size: 0.9rem;
}

.dresscode-note p {
  margin: 0;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .dresscode-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

/* ==========================================================
   SECTION: Guía de Cali
   ========================================================== */

/* Hotel cards */
.hotel-grid {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.hotel-card {
  background: var(--white);
  padding: var(--space-md);
  border: 1px solid var(--cobalt-border);
}

.hotel-card__tier {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.tier-high { color: var(--marigold); }
.tier-mid  { color: var(--jade); }

.hotel-card__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.hotel-card__price {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.hotel-card__link {
  font-size: 0.8rem;
}

/* Info blocks (transport, weather, salons) */
.info-block {
  margin-top: var(--space-xl);
}

.info-block h3 {
  margin-bottom: var(--space-xs);
}

.info-block p {
  font-size: 0.95rem;
  line-height: 1.8;
}

.salon-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--cobalt-faint);
}

.salon-item:last-child { border-bottom: none; }

.salon-name {
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}

.salon-phone {
  font-size: 0.88rem;
  color: var(--text-tertiary);
}

@media (min-width: 768px) {
  .hotel-grid { grid-template-columns: 1fr 1fr; }
}

/* Salon alert — visual emphasis for pre-appointment recommendation */
.salon-alert {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(245, 166, 35, 0.08);
  border-left: 3px solid var(--marigold);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.salon-alert strong {
  color: var(--marigold);
}

/* ==========================================================
   SECTION: Regalos
   ========================================================== */
.regalo-text {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.regalo-text p {
  font-size: 1.02rem;
  line-height: 1.85;
}

.payment-boxes {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.payment-box {
  background: var(--white);
  border: 1px solid var(--cobalt-border);
  padding: var(--space-md);
}

.payment-box h3 {
  text-align: center;
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.payment-row {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--cobalt-faint);
  font-size: 0.9rem;
}

.payment-row:last-child { border-bottom: none; }

.payment-label { color: var(--text-tertiary); }
.payment-value { color: var(--text-primary); font-weight: 400; }

@media (min-width: 768px) {
  .payment-boxes { grid-template-columns: 1fr 1fr; max-width: 700px; }
}

/* ==========================================================
   SECTION: RSVP Form
   ========================================================== */
.form-wrap {
  max-width: 480px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label,
.form-group legend {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-hint {
  display: block;
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-bottom: 0.35rem;
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-primary);
  background: var(--white);
  border: 1px solid var(--cobalt-border);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--cobalt);
  box-shadow: 0 0 0 3px var(--cobalt-faint);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Pill-style radio buttons */
.radio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.radio-pill {
  position: relative;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-pill span {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-secondary);
  border: 1px solid var(--cobalt-border);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.radio-pill input:checked + span {
  background: var(--cobalt);
  color: var(--cream);
  border-color: var(--cobalt);
}

.radio-pill span:hover {
  border-color: var(--cobalt);
}

/* Loading state for submit buttons */
.btn--loading {
  opacity: 0.6;
  cursor: wait;
  position: relative;
  color: transparent !important;
}

.btn--loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid var(--cream);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* Person blocks for family RSVP */
.person-block {
  padding-top: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.person-block__label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--cobalt);
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--cobalt-faint);
}

.person-block--extra {
  display: none;
}

.person-block--extra.visible {
  display: block;
}

/* Inline form error */
.form-error {
  color: #C0392B;
  font-size: 0.88rem;
  text-align: center;
  margin-top: var(--space-sm);
  margin-bottom: 0;
}

/* Conditional fields */
.conditional-fields {
  display: none;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--cobalt-faint);
}

.conditional-fields.visible {
  display: block;
}

.rsvp-deadline {
  text-align: center;
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background: var(--cobalt-faint);
}

.rsvp-deadline p {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--cobalt);
  margin: 0;
}

/* Success state */
.rsvp-success {
  display: none;
  text-align: center;
  padding: var(--space-xl) 0;
}

.rsvp-success.visible {
  display: block;
}

.rsvp-success h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}

.rsvp-success__note {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

/* ==========================================================
   SECTION: Song Suggestion
   ========================================================== */
.song-section {
  text-align: center;
}

.song-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 400px;
  margin: var(--space-md) auto 0;
}

.song-form input {
  text-align: center;
}

.song-feedback {
  font-size: 0.9rem;
  color: var(--jade);
  margin-top: var(--space-sm);
  display: none;
}

@media (min-width: 768px) {
  .song-form {
    flex-direction: row;
    max-width: 600px;
  }

  .song-form input {
    flex: 1;
    text-align: left;
  }
}

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer {
  padding: var(--space-lg) 0 var(--space-md);
  text-align: center;
  border-top: 1px solid var(--cobalt-faint);
}

.site-footer p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-bottom: 0.25rem;
}

/* Cat icon — co-protagonist of the song section */
.song-cat {
  display: block;
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto var(--space-md);
  opacity: 0.6;
}

@media (min-width: 768px) {
  .song-cat { width: 150px; height: 150px; }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--cobalt);
  letter-spacing: 0.08em;
  opacity: 0.5;
  margin-bottom: var(--space-xs);
}

/* ==========================================================
   Lightbox — click-to-expand dress code images
   ========================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: var(--space-md);
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__img {
  max-width: 92vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 0;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 2.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s;
}

.lightbox__close:hover {
  color: #fff;
}

@media (min-width: 768px) {
  .dresscode-card__img-wrap::after {
    content: 'Clic para ampliar';
  }
}

/* ==========================================================
   Scroll-triggered fade-in (Apple-style: clean, functional)
   ========================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children if needed */
.stagger > .fade-in:nth-child(2) { transition-delay: 0.08s; }
.stagger > .fade-in:nth-child(3) { transition-delay: 0.16s; }
.stagger > .fade-in:nth-child(4) { transition-delay: 0.24s; }
.stagger > .fade-in:nth-child(5) { transition-delay: 0.32s; }
.stagger > .fade-in:nth-child(6) { transition-delay: 0.40s; }