/* ==========================================================================
   Ludi Smile Dental Clinic · Hoja de estilos global
   Mobile-first · CSS moderno sin dependencias (anidamiento, container queries,
   view transitions, scroll-driven animations, :user-invalid, @media scripting)
   ========================================================================== */

/* ---------- 1. Paleta (extraída del logo: morado lila) ---------- */
:root {
  --color-primario: #6f4a9b;        /* morado profundo: botones, títulos (7.1:1 sobre blanco) */
  --color-primario-oscuro: #54377a;
  --color-secundario: #a98bd0;      /* lila del logo: decoración */
  --color-acento: #f4b860;          /* dorado cálido: CTA destacado (texto oscuro encima) */
  --color-fondo: #ffffff;
  --color-fondo-alterno: #f6f1fb;   /* lila muy suave */
  --color-texto: #2b2238;           /* 14:1 sobre blanco */
  --color-texto-claro: #5e5370;     /* 7:1 sobre blanco, 6.3:1 sobre fondo alterno */
  --color-borde: #e4d9f1;
  --color-wa: #1fa855;

  --fuente-titulos: "Fraunces", Georgia, "Times New Roman", serif;
  --fuente-texto: "Nunito Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radio: 20px;
  --radio-lg: 28px;
  --sombra: 0 10px 30px -12px rgb(75 45 110 / .28);
  --sombra-hover: 0 18px 40px -14px rgb(75 45 110 / .38);
  --header-h: 72px;
  --ease: cubic-bezier(.22, .8, .24, 1);
}

/* Navegación entre páginas con transición suave (Chrome/Edge/Safari recientes) */
@view-transition { navigation: auto; }

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-texto);
  background: var(--color-fondo);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--fuente-titulos); line-height: 1.15; margin: 0 0 .5em; color: var(--color-texto); letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.3rem; font-weight: 600; }
.h1 { font-family: var(--fuente-titulos); font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: var(--color-primario); text-underline-offset: 3px; }
a:hover { color: var(--color-primario-oscuro); }
:focus-visible { outline: 3px solid var(--color-primario); outline-offset: 3px; border-radius: 6px; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--color-primario); color: #fff; padding: .6rem 1rem; border-radius: 8px; z-index: 200; }
.skip-link:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.container { width: min(1120px, 100% - 2rem); margin-inline: auto; }
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section--alt { background: var(--color-fondo-alterno); }
.section__head { max-width: 680px; margin: 0 auto 2.5rem; text-align: center; }
.section__head p { color: var(--color-texto-claro); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--color-primario); background: var(--color-fondo-alterno); padding: .35rem .8rem; border-radius: 99px; margin-bottom: 1rem; }
.section--alt .eyebrow { background: #fff; }

/* ---------- 3. Iconos (sprite SVG inline) ---------- */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon--fill { fill: currentColor; stroke: none; }
.icon--lg { width: 2rem; height: 2rem; }

/* ---------- 4. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 99px; border: 2px solid transparent;
  font: 800 1rem/1 var(--fuente-texto); text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s, color .2s;
  min-height: 48px;
}
.btn:hover { transform: translateY(-3px); box-shadow: var(--sombra-hover); }
.btn:active { transform: translateY(-1px); }
.btn--primary { background: var(--color-primario); color: #fff; }
.btn--primary:hover { background: var(--color-primario-oscuro); color: #fff; }
.btn--accent { background: var(--color-acento); color: #2b2238; }
.btn--accent:hover { background: #f0a73f; color: #2b2238; }
.btn--ghost { background: transparent; color: var(--color-primario); border-color: var(--color-primario); }
.btn--ghost:hover { background: var(--color-primario); color: #fff; }
.btn--sm { padding: .65rem 1.2rem; min-height: 44px; font-size: .95rem; }

/* ---------- 5. Barra de progreso de scroll (progresivo) ---------- */
.progress { display: none; }
@supports (animation-timeline: scroll()) {
  .progress {
    display: block; position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 120;
    background: linear-gradient(90deg, var(--color-secundario), var(--color-primario), var(--color-acento));
    transform-origin: left; transform: scaleX(0);
    animation: progress-grow linear both; animation-timeline: scroll(root);
  }
  @keyframes progress-grow { to { transform: scaleX(1); } }
}

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgb(255 255 255 / .9); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px -14px rgb(75 45 110 / .45); border-color: var(--color-borde); }
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--color-texto); }
.brand img { height: 60px; width: 60px; border-radius: 50%; object-fit: cover; background: #fff; box-shadow: 0 0 0 2px var(--color-borde), 0 4px 12px -4px rgb(75 45 110 / .35); }
.brand-text { display: none; font-family: var(--fuente-titulos); font-weight: 600; font-size: 1.15rem; line-height: 1.1; }
.brand-text small { display: block; font-family: var(--fuente-texto); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-primario); }
.logo-missing .brand-text { display: block; }   /* respaldo si aún no subes el logo */
.logo-missing img { display: none; }

.nav-toggle { margin-left: auto; width: 48px; height: 48px; display: grid; place-items: center; border: 0; background: var(--color-fondo-alterno); color: var(--color-primario); border-radius: 14px; cursor: pointer; }
.nav-toggle .icon { grid-area: 1/1; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }
.header-cta { display: none; }

.site-nav {
  position: absolute; inset: var(--header-h) 0 auto 0; background: #fff;
  padding: 1rem; border-bottom: 1px solid var(--color-borde); box-shadow: var(--sombra);
  display: none; flex-direction: column; gap: .25rem; max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
}
.site-nav.is-open { display: flex; animation: nav-in .3s var(--ease); }
@keyframes nav-in { from { opacity: 0; transform: translateY(-8px); } }
.site-nav a { padding: .8rem 1rem; border-radius: 12px; text-decoration: none; color: var(--color-texto); font-weight: 700; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--color-fondo-alterno); color: var(--color-primario); }
.site-nav .nav-cta { margin-top: .5rem; }

@media (min-width: 1100px) {
  .nav-toggle { display: none; }
  .site-nav { position: static; display: flex; flex-direction: row; align-items: center; padding: 0; border: 0; box-shadow: none; background: none; gap: .1rem; margin-left: auto; }
  .site-nav a { padding: .5rem .8rem; font-size: .95rem; }
  .site-nav a[aria-current="page"] { background: none; box-shadow: inset 0 -3px 0 var(--color-secundario); border-radius: 0; }
  .site-nav .nav-cta { display: none; }
  .header-cta { display: inline-flex; margin-left: .5rem; }
}

/* ---------- 7. Hero (carrusel) ---------- */
.hero { background: radial-gradient(1200px 500px at 85% -10%, #e9ddf7 0, transparent 60%), linear-gradient(180deg, var(--color-fondo-alterno), #fff); position: relative; }
.carousel { position: relative; }
.carousel__viewport { overflow: hidden; }
.carousel__track { display: flex; transition: transform .7s var(--ease); will-change: transform; }
.carousel__slide { flex: 0 0 100%; min-width: 0; }
.carousel__slide[aria-hidden="true"] { visibility: hidden; }
.carousel__controls { display: flex; align-items: center; justify-content: center; gap: 1rem; padding-block: 1rem 1rem; }
.carousel__btn { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--color-primario); background: #fff; color: var(--color-primario); display: grid; place-items: center; cursor: pointer; transition: background-color .2s, color .2s, transform .2s; }
.carousel__btn:hover { background: var(--color-primario); color: #fff; transform: scale(1.06); }
.carousel__dots { display: flex; gap: .5rem; }
.carousel__dot { width: 12px; height: 12px; padding: 0; border-radius: 99px; border: 0; background: var(--color-borde); cursor: pointer; transition: width .3s var(--ease), background-color .3s; position: relative; }
.carousel__dot::after { content: ""; position: absolute; inset: -18px -4px; }  /* área táctil mayor */
.carousel__dot[aria-current="true"] { width: 34px; background: var(--color-primario); }

.hero-slide { display: grid; gap: 2rem; align-items: center; padding-block: 2.5rem 1rem; }
.hero-slide__text .tag { display: inline-flex; align-items: center; gap: .4rem; font-weight: 800; font-size: .85rem; color: var(--color-primario-oscuro); background: #fff; border: 1px solid var(--color-borde); padding: .35rem .85rem; border-radius: 99px; margin-bottom: 1rem; }
.hero-slide__text h1 { margin-bottom: .4em; }
.hero-slide__text h1 em { font-style: italic; color: var(--color-primario); }
.hero-slide__text p { font-size: 1.15rem; color: var(--color-texto-claro); max-width: 52ch; }
.hero-slide__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
@media (min-width: 860px) {
  .hero-slide { grid-template-columns: 1.05fr .95fr; gap: 3.5rem; padding-block: 4rem 1.5rem; min-height: 560px; }
}

/* ---------- 8. Marcos de imagen (con respaldo si falta el archivo) ---------- */
.ph { position: relative; margin: 0; overflow: hidden; border-radius: var(--radio-lg); box-shadow: var(--sombra); background: linear-gradient(145deg, #e9ddf7, #cdb8e8 55%, #f7e3c0); display: grid; place-items: center; color: rgb(255 255 255 / .85); isolation: isolate; }
.ph .ph-icon { width: 30%; height: 30%; stroke-width: 1.1; opacity: .9; }
.ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.ph.is-empty img { display: none; }
.aspect-43 { aspect-ratio: 4/3; }
.aspect-45 { aspect-ratio: 4/5; }
.aspect-11 { aspect-ratio: 1/1; }
.aspect-169 { aspect-ratio: 16/10; }

/* ---------- 9. Franja de confianza y tarjetas ---------- */

.card-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); container-type: inline-size; }
.card {
  background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio); padding: 1.5rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  display: flex; flex-direction: column; gap: .5rem; text-decoration: none; color: inherit;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); border-color: var(--color-secundario); }
.card h3 { margin: .25rem 0 0; }
.card p { margin: 0; color: var(--color-texto-claro); font-size: 1rem; }
.card__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--color-fondo-alterno); color: var(--color-primario); transition: background-color .3s, color .3s; }
.card:hover .card__icon { background: var(--color-primario); color: #fff; }
.card__link { margin-top: auto; padding-top: .5rem; font-weight: 800; color: var(--color-primario); display: inline-flex; align-items: center; gap: .35rem; }
.section--alt .card { background: #fff; }

/* ---------- 10. Banda promocional / CTA ---------- */
.promo { background: linear-gradient(120deg, var(--color-primario-oscuro), var(--color-primario)); color: #fff; border-radius: var(--radio-lg); padding: clamp(1.75rem, 5vw, 3rem); display: grid; gap: 1.25rem; align-items: center; position: relative; overflow: hidden; }
.promo::after { content: ""; position: absolute; width: 320px; height: 320px; right: -80px; top: -120px; border-radius: 50%; background: radial-gradient(circle, rgb(244 184 96 / .45), transparent 70%); }
.promo h2, .promo h3 { color: #fff; margin-bottom: .3em; }
.promo p { margin: 0; color: #f1e8fb; }
.promo > * { position: relative; z-index: 1; }
@media (min-width: 800px) { .promo { grid-template-columns: 1fr auto; } }

/* ---------- 11. Cabecera de páginas internas ---------- */
.page-hero { background: linear-gradient(180deg, var(--color-fondo-alterno), #fff); padding-block: clamp(2rem, 5vw, 3.25rem) clamp(.5rem, 1.5vw, 1rem); text-align: center; }
.page-hero + .section { padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.page-hero p { max-width: 60ch; margin-inline: auto; color: var(--color-texto-claro); font-size: 1.15rem; }

/* ---------- 12. Sobre nosotros ---------- */
.split { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 4rem; } .split--reverse > :first-child { order: 2; } }
.facts { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; gap: .75rem; }
.facts li { display: grid; gap: .1rem; background: #fff; border: 1px solid var(--color-borde); border-radius: 16px; padding: .85rem 1.1rem; }
.facts span { font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--color-texto-claro); }
.facts strong { font-size: 1.05rem; }
@media (min-width: 560px) { .facts { grid-template-columns: 1fr 1fr; } .facts li:first-child { grid-column: 1/-1; } }
.quote-block { border-left: 4px solid var(--color-secundario); padding: .25rem 0 .25rem 1.25rem; margin: 1.5rem 0; font-family: var(--fuente-titulos); font-style: italic; font-size: 1.2rem; color: var(--color-primario-oscuro); }

/* ---------- 13. Servicios ---------- */
.feature-grid { display: grid; gap: 1.5rem; container-type: inline-size; }
@media (min-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
.feature { background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio-lg); padding: clamp(1.5rem, 4vw, 2.25rem); box-shadow: var(--sombra); }
.feature__badge { display: inline-flex; gap: .4rem; align-items: center; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--color-primario); margin-bottom: .6rem; }
.feature dl { margin: 1.25rem 0 0; display: grid; gap: .8rem; }
.feature dt { font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--color-texto-claro); }
.feature dd { margin: 0; font-weight: 700; }
.feature .promo-note { margin-top: 1.25rem; background: #fff6e6; border: 1px dashed #e0a24a; border-radius: 16px; padding: .9rem 1.1rem; font-size: .98rem; display: flex; gap: .7rem; align-items: flex-start; }
.feature .promo-note .icon { color: #9a5b00; margin-top: .15rem; }
.feature .btn { margin-top: 1.25rem; }
.need-card .card__icon { background: #fff; }
.section--alt .need-card:hover .card__icon { background: var(--color-primario); }

/* ---------- 14. Ventajas y contadores ---------- */
.counters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; }
@media (min-width: 800px) { .counters { grid-template-columns: repeat(4, 1fr); } }
.counter { background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio); padding: 1.4rem 1rem; text-align: center; }
.counter strong { display: block; font-family: var(--fuente-titulos); font-size: clamp(2rem, 6vw, 2.8rem); line-height: 1; color: var(--color-primario); }
.counter span { color: var(--color-texto-claro); font-weight: 700; font-size: .95rem; }

/* ---------- 15. Testimonios ---------- */
.testi-wrap { max-width: 800px; margin-inline: auto; }
.testi { background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio-lg); padding: clamp(1.5rem, 5vw, 2.75rem); margin: .5rem; box-shadow: var(--sombra); height: calc(100% - 1rem); }
.stars { display: flex; gap: .15rem; color: #d99a1c; margin-bottom: .75rem; }
.stars .icon { width: 1.25rem; height: 1.25rem; }
.testi h3 { font-style: italic; color: var(--color-primario-oscuro); }
.testi blockquote { margin: 0 0 1.25rem; color: var(--color-texto-claro); }
.testi footer { display: flex; align-items: center; gap: .8rem; font-weight: 800; }
.avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--color-secundario), var(--color-primario)); color: #fff; display: grid; place-items: center; font-family: var(--fuente-titulos); font-size: 1.2rem; }
.testi footer small { display: block; font-weight: 600; color: var(--color-texto-claro); }

/* ---------- 16. Galería y lightbox ---------- */
.gallery { display: grid; gap: .75rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 800px) { .gallery { grid-template-columns: repeat(4, 1fr); gap: 1rem; } }
.gallery__item { padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: var(--radio); overflow: hidden; position: relative; display: block; }
.gallery__item .ph { border-radius: 0; box-shadow: none; transition: transform .6s var(--ease); height: 100%; }
.gallery__item:hover .ph, .gallery__item:focus-visible .ph { transform: scale(1.08); }
.gallery__item::after { content: attr(data-caption); position: absolute; inset: auto 0 0 0; z-index: 2; padding: 2rem .8rem .7rem; background: linear-gradient(transparent, rgb(43 34 56 / .8)); color: #fff; font-weight: 700; font-size: .9rem; text-align: left; opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .3s; }
.gallery__item:hover::after, .gallery__item:focus-visible::after { opacity: 1; transform: none; }
@media (hover: none) { .gallery__item::after { opacity: 1; transform: none; } }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(960px, 94vw); width: 100%; overflow: visible; }
.lightbox::backdrop { background: rgb(30 20 45 / .85); backdrop-filter: blur(4px); }
.lightbox .ph { aspect-ratio: 4/3; max-height: 78vh; width: 100%; margin-inline: auto; }
.lightbox p { color: #fff; text-align: center; margin: .9rem 0 0; font-weight: 700; }
.lightbox__btn { position: absolute; z-index: 5; width: 48px; height: 48px; border-radius: 50%; border: 0; background: #fff; color: var(--color-primario); display: grid; place-items: center; cursor: pointer; }
.lightbox__close { top: -56px; right: 0; }
.lightbox__prev { left: .5rem; top: 45%; }
.lightbox__next { right: .5rem; top: 45%; }

/* ---------- 17. FAQ (acordeón nativo <details name>) ---------- */
.faq { max-width: 800px; margin-inline: auto; display: grid; gap: .75rem; }
.faq details { background: #fff; border: 1px solid var(--color-borde); border-radius: 18px; transition: box-shadow .3s, border-color .3s; }
.faq details[open] { border-color: var(--color-secundario); box-shadow: var(--sombra); }
.faq summary { list-style: none; cursor: pointer; padding: 1.1rem 1.25rem; font-weight: 800; display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 56px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--color-fondo-alterno); color: var(--color-primario); font-size: 1.4rem; line-height: 1; transition: transform .3s var(--ease), background-color .3s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--color-primario); color: #fff; }
.faq .faq__body { padding: 0 1.25rem 1.25rem; color: var(--color-texto-claro); animation: faq-in .35s var(--ease); }
@keyframes faq-in { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- 18. Contacto ---------- */
.contact-grid { display: grid; gap: 2rem; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.1fr .9fr; gap: 3rem; } }
.form { background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio-lg); padding: clamp(1.25rem, 4vw, 2.25rem); box-shadow: var(--sombra); display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field label { font-weight: 800; font-size: .95rem; }
.field input, .field textarea { font: inherit; padding: .85rem 1rem; border-radius: 14px; border: 2px solid var(--color-borde); background: #fff; color: var(--color-texto); min-height: 48px; transition: border-color .2s, box-shadow .2s; width: 100%; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primario); box-shadow: 0 0 0 4px rgb(111 74 155 / .15); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #b3261e; }
.field input:user-valid, .field textarea:user-valid { border-color: #2e7d32; }
.form__note { font-size: .88rem; color: var(--color-texto-claro); margin: 0; }
.form__status { margin: 0; font-weight: 700; color: #2e7d32; min-height: 1.5em; }
.info-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 1rem; }
.info-list li { display: flex; gap: .9rem; align-items: flex-start; }
.info-list .card__icon { width: 48px; height: 48px; border-radius: 14px; }
.info-list strong { display: block; }
.info-list a, .info-list span { color: var(--color-texto-claro); }
.info-list a { color: var(--color-primario); font-weight: 700; }
.map { border: 0; width: 100%; aspect-ratio: 4/3; border-radius: var(--radio); box-shadow: var(--sombra); background: var(--color-fondo-alterno); }
.socials { display: flex; gap: .6rem; margin-top: 1.25rem; }
.socials a { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--color-fondo-alterno); color: var(--color-primario); transition: transform .25s var(--ease), background-color .2s, color .2s; }
.socials a:hover { background: var(--color-primario); color: #fff; transform: translateY(-3px); }

/* ---------- 19. Footer ---------- */
.site-footer { background: #241a33; color: #d9cde9; padding-block: 3rem 1.5rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: var(--color-acento); text-decoration: underline; }
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-logo { display: inline-block; }
.footer-logo img { height: 104px; width: 104px; border-radius: 50%; object-fit: cover; background: #fff; box-shadow: 0 0 0 3px rgb(255 255 255 / .25); }
.footer-logo.logo-missing { background: #fff; border-radius: 22px; padding: .8rem 1.1rem; color: var(--color-texto); }
.site-footer h3 { color: #fff; font-size: 1.05rem; font-family: var(--fuente-texto); font-weight: 800; letter-spacing: .04em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.site-footer .socials a { background: rgb(255 255 255 / .1); color: #fff; }
.site-footer .socials a:hover { background: var(--color-acento); color: #241a33; }
.copy { border-top: 1px solid rgb(255 255 255 / .15); margin-top: 2rem; padding-top: 1.25rem; font-size: .9rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }

/* ---------- 20. Botón flotante WhatsApp ---------- */
.wa-float { position: fixed; right: 16px; bottom: 16px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: var(--color-wa); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgb(0 0 0 / .45); transition: transform .25s var(--ease); }
.wa-float:hover { transform: scale(1.1); color: #fff; }
.wa-float .icon { width: 30px; height: 30px; }

/* ---------- 21. Animaciones de revelado ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-d="1"] { --d: 1; } .reveal[data-d="2"] { --d: 2; } .reveal[data-d="3"] { --d: 3; } .reveal[data-d="4"] { --d: 4; } .reveal[data-d="5"] { --d: 5; }
@media (scripting: none) { .reveal { opacity: 1; transform: none; } .carousel__slide[aria-hidden="true"] { visibility: visible; } .carousel__track { display: block; } .carousel__controls { display: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}