/* ═══════════════════════════════════════════════════════════════
   CLINICAAG — Sistema de Diseño
   Tema Oscuro Médico de Lujo
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Variables / Tokens ────────────────────────────────────── */
:root {
  /* Colores */
  --color-bg:           #09090B;
  --color-surface:      #111318;
  --color-surface-2:    #1A1D24;
  --color-surface-3:    #22262F;
  --color-accent:       #D4AF37;
  --color-accent-dim:   #B8961E;
  --color-accent-glow:  rgba(212, 175, 55, 0.25);
  --color-accent-glow-2:rgba(212, 175, 55, 0.10);
  --color-text:         #F0F2F8;
  --color-text-muted:   #8892A4;
  --color-text-faint:   #4A5568;
  --color-border:       rgba(212, 175, 55, 0.15);
  --color-border-faint: rgba(255, 255, 255, 0.05);
  --color-gold:         #D4AF37;
  --color-gold-dim:     #B8961E;
  --color-gold-glow:    rgba(212, 175, 55, 0.18);
  --color-error:        #FF4D6D;
  --color-success:      #00E5AA;

  /* Tipografía */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Escala de tamaños */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Bordes redondeados */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast:   0.15s ease;
  --transition-base:   0.3s ease;
  --transition-slow:   0.6s ease;

  /* Sombras */
  --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-deep: 0 20px 60px rgba(0, 0, 0, 0.6);

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);

  /* Z-index */
  --z-nav:    100;
  --z-modal:  200;
  --z-toast:  300;
}

/* ── 2. Reset y Base ──────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: auto; /* Lenis maneja el scroll suave */
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-dim); }

ul, ol { list-style: none; }

button, input, select, textarea {
  font: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* ── 3. Utilidades de Layout ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Enlace para saltar al contenido (accesibilidad) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: #09090B;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.2s ease;
  font-weight: 600;
}
.skip-link:focus {
  top: 0;
}

/* ── 4. Botones ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #09090B;
}
.btn--primary:hover {
  background: var(--color-accent-dim);
  color: #09090B;
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent-glow);
  color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-faint);
}
.btn--ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--wa {
  background: #25D366;
  color: #fff;
  gap: var(--space-2);
}
.btn--wa:hover {
  background: #1ebe5d;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-base);
}

/* ── 5. Navegación ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: background var(--transition-slow), backdrop-filter var(--transition-slow);
}

.site-header.is-scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-faint);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
}
.nav__logo-text span {
  color: var(--color-accent);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__menu a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}
.nav__menu a:hover,
.nav__menu a.active {
  color: var(--color-accent);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition-base);
}

/* ── 6. Hero / Banner Principal ───────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

/* Slideshow de fondo */
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: opacity;
}

.hero__slide.is-active {
  opacity: 1;
}

/* Gradientes de fallback cuando no hay fotos */
.hero__slide--1 {
  background-color: #09090B;
  background-image:
    radial-gradient(ellipse 75% 65% at 68% 48%, rgba(0, 50, 75, 0.85) 0%, #09090B 70%),
    radial-gradient(ellipse 40% 40% at 25% 75%, rgba(0, 30, 45, 0.5) 0%, transparent 60%);
}
.hero__slide--2 {
  background-color: #080b12;
  background-image:
    radial-gradient(ellipse 60% 70% at 30% 45%, rgba(0, 35, 60, 0.9) 0%, #080b12 68%),
    radial-gradient(ellipse 50% 40% at 75% 80%, rgba(0, 20, 40, 0.4) 0%, transparent 55%);
}
.hero__slide--3 {
  background-color: #09090B;
  background-image:
    radial-gradient(ellipse 80% 55% at 50% 30%, rgba(0, 45, 65, 0.8) 0%, #09090B 65%),
    radial-gradient(ellipse 35% 50% at 80% 60%, rgba(0, 25, 45, 0.5) 0%, transparent 55%);
}

/* Overlay oscuro para legibilidad del texto */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    112deg,
    rgba(9, 9, 11, 0.90) 0%,
    rgba(9, 9, 11, 0.65) 45%,
    rgba(9, 9, 11, 0.20) 100%
  );
}

/* Canvas de Three.js (capa de partículas sobre el overlay) */
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Contenido del hero */
.hero__content {
  position: relative;
  z-index: 3;
  max-width: 680px;
  width: 100%;
  padding: var(--space-8) 0;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.hero__title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  text-shadow: 0 0 40px rgba(212, 175, 55, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
}
.hero__title em {
  font-style: italic;
  color: var(--color-accent);
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.6), 0 0 60px rgba(212, 175, 55, 0.3);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-10);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Dots de navegación del slideshow */
.hero__dots {
  position: absolute;
  right: var(--container-pad);
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.hero__dot.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.6);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.55);
}

.hero__dot:hover:not(.is-active) {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

/* Indicador de scroll: doble chevron animado */
.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: rgba(255, 255, 255, 0.22);
}

.hero__scroll-chevron {
  display: block;
  animation: chevronBounce 2.2s ease-in-out infinite;
}

.hero__scroll-chevron--2 {
  animation-delay: 0.28s;
}

@keyframes chevronBounce {
  0%, 100% { opacity: 0.18; transform: translateY(0); }
  50%       { opacity: 0.55; transform: translateY(5px); }
}

/* ── 7. Secciones Compartidas ─────────────────────────────────── */
.section {
  padding-block: var(--space-24);
}
.section--sm { padding-block: var(--space-16); }

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.section__eyebrow::before,
.section__eyebrow::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 300;
  margin-bottom: var(--space-4);
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.25), 0 2px 4px rgba(0, 0, 0, 0.2);
}
.section__title strong {
  font-weight: 600;
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.section__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ── 8. Catálogo / Filtros ────────────────────────────────────── */
.catalog-section {
  background: var(--color-surface);
}

.catalog-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-12);
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-faint);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.filter-btn:hover {
  border-color: var(--color-border);
  color: var(--color-text);
}
.filter-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #09090B;
  font-weight: 500;
}

/* ── 9. Grid de Productos ─────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
  transition: opacity 0.3s ease;
}

.products-grid.is-loading {
  opacity: 0.4;
  pointer-events: none;
}

/* ── 10. Tarjeta de Producto ──────────────────────────────────── */
.product-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.product-card__image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-surface-3);
}
.product-card__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.7s ease;
}
.product-card:hover .product-card__image img {
  transform: scale(1.04);
}

/* Placeholder cuando el producto no tiene foto */
.product-card__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    145deg,
    var(--color-surface-3) 0%,
    var(--color-surface-2) 100%
  );
}
.product-card__placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 50% at 50% 40%,
    rgba(0, 229, 255, 0.04) 0%,
    transparent 70%
  );
}

.product-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.product-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.product-card__price {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  display: flex;
  flex-direction: column;
  gap: 0.15em;
}
.product-card__price-label {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.product-card__price-value {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.product-card__price-value small {
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-right: 0.05em;
}

/* ── 11. Producto Individual ──────────────────────────────────── */
.single-product {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-24);
}

.single-product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.single-product__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-surface-2);
}
.single-product__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-product__content {
  position: sticky;
  top: calc(72px + var(--space-8));
}

.single-product__category {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.single-product__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 300;
  margin-bottom: var(--space-6);
}

.single-product__price {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-faint);
}
.single-product__price-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.single-product__price-value {
  font-family: var(--font-body);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 0.1em;
}
.single-product__price-value small {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-weight: 500;
}

.single-product__desc {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.single-product__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.single-product__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-faint);
}
.single-product__meta-label {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.single-product__meta-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* ── 12. Estadísticas / Sección de Confianza ──────────────────── */
.stats-section {
  border-top: 1px solid var(--color-border-faint);
  border-bottom: 1px solid var(--color-border-faint);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border-faint);
}

.stat-item {
  background: var(--color-bg);
  padding: var(--space-12) var(--space-8);
  text-align: center;
}

.stat-item__number {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 4vw, var(--text-6xl));
  font-weight: 300;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-item__number span { color: var(--color-accent); }

.stat-item__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── 13. Sección de Casos de Éxito ────────────────────────────── */
.cases-section {
  padding-block: var(--space-24);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-faint);
}

.cases-section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.cases-section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.cases-section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

.cases-section__footer {
  text-align: center;
  margin-top: var(--space-16);
}

/* Grid: 1 columna móvil, 2 tablet, 3 escritorio */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

@media (min-width: 480px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tarjeta de Caso */
.case-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border-faint);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.case-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-surface-2);
}

.case-card__video,
.case-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-card:hover .case-card__video,
.case-card:hover .case-card__image {
  transform: scale(1.05);
}

.case-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-muted);
  opacity: 0.3;
}

.case-card__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  z-index: 2;
}

.case-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-card:hover .case-card__overlay {
  opacity: 1;
}

.case-card__play {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  padding-left: 4px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.case-card__play:hover {
  transform: scale(1.1);
  background: var(--color-gold-dim);
}

.case-card__body {
  padding: var(--space-6);
}

.case-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.case-card__paciente {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.case-card__duracion {
  font-size: var(--text-xs);
  color: var(--color-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Estado placeholder */
.case-card--placeholder {
  opacity: 0.5;
}
.case-card--placeholder .case-card__placeholder {
  opacity: 0.3;
}

/* Lightbox */
.cases-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cases-lightbox.is-active {
  opacity: 1;
  visibility: visible;
}

.cases-lightbox__close {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface-2);
  color: var(--color-text);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.cases-lightbox__close:hover {
  background: var(--color-surface-3);
}

.cases-lightbox__content {
  width: 90%;
  max-width: 900px;
  aspect-ratio: 16 / 9;
}

.cases-lightbox__video {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  background: #000;
}

/* ── 14. Pie de Página ────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-faint);
  padding-block: var(--space-16) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer__brand-name span { color: var(--color-accent); }

.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--color-accent); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-faint);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__legal {
  display: flex;
  gap: var(--space-5);
}
.footer__legal a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__legal a:hover { color: var(--color-text-muted); }

/* ── 15. Utilidad GSAP Reveal ─────────────────────────────────── */
/*
 * IMPORTANTE: el estado inicial (opacity:0) lo setea GSAP via JS,
 * NO el CSS. Así el contenido es visible si JS falla (SEO + accesibilidad).
 * La clase .js-reveal-init se añade por JS cuando GSAP está listo.
 */
.js-reveal-init [data-reveal]:not(.cag-revealed) {
  visibility: visible;
}

/* ── 15b. Estado vacío del catálogo ───────────────────────────── */
.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.catalog-empty--error {
  color: var(--color-error);
}

/* ── 16. Spinner de Carga ─────────────────────────────────────── */
.catalog-loader {
  display: none;
  justify-content: center;
  align-items: center;
  padding: var(--space-12);
}
.catalog-loader.is-visible { display: flex; }

.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-border-faint);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── 17. Error 404 ────────────────────────────────────────────── */
.error-404 {
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.error-404__container { text-align: center; }
.error-404__code {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 100;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-4);
}
.error-404__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}
.error-404__message {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ── 18. Botón Flotante WhatsApp ──────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: calc(var(--z-nav) + 10);
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}
.wa-float svg { width: 28px; height: 28px; }

/* ── Grid Nosotros ────────────────────────────────────────────── */
.cag-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* ── Tarjeta de características Nosotros ──────────────────────── */
.cag-about-features {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-faint);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.cag-about-feature {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.cag-about-feature__icon {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.cag-about-feature__title {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
}

.cag-about-feature__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.cag-about-text {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

/* ═══════════════════════════════════════════════════════════════
   DISEÑO RESPONSIVO
   ═══════════════════════════════════════════════════════════════ */

/* ── Tablet horizontal (hasta 1024px) ─────────────────────────── */
@media (max-width: 1024px) {
  .single-product__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .single-product__content {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .cag-about-grid {
    gap: var(--space-10);
  }
}

/* ── Tablet vertical / Móvil grande (hasta 768px) ─────────────── */
@media (max-width: 768px) {
  /* Navegación móvil: menú hamburguesa */
  .nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(9,9,11,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-faint);
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-4) 0;
    z-index: calc(var(--z-nav) - 1);
    max-height: 80vh;
    overflow-y: auto;
  }
  .nav__menu.is-open {
    display: flex;
  }
  .nav__menu a {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    width: 100%;
    text-align: center;
  }

  /* Animación del hamburguesa cuando está abierto */
  .nav__hamburger.is-active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav__hamburger.is-active span:nth-child(2) {
    opacity: 0;
  }
  .nav__hamburger.is-active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .nav__cta .btn {
    display: none;
  }

  /* Hero: ajuste para móvil */
  .hero {
    min-height: 100svh;
    min-height: 100vh;
    padding-bottom: var(--space-16);
    padding-top: 80px;
  }
  .hero__content {
    max-width: 100%;
    padding-top: var(--space-8);
    padding-inline: var(--space-2);
  }
  .hero__title {
    font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl));
    margin-bottom: var(--space-4);
  }
  .hero__subtitle {
    font-size: var(--text-base);
    max-width: 100%;
    margin-bottom: var(--space-8);
  }
  .hero__eyebrow {
    font-size: 0.65rem;
    margin-bottom: var(--space-4);
  }
  .hero__actions {
    gap: var(--space-3);
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.8rem;
  }
  .hero__dots {
    right: var(--space-4);
    gap: 8px;
  }
  .hero__scroll-cue {
    display: none;
  }

  /* Estadísticas: 2 columnas */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .stat-item {
    padding: var(--space-8) var(--space-4);
  }

  /* Catálogo: scroll horizontal en filtros */
  .catalog-filters {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-2);
    flex-wrap: nowrap;
    justify-content: flex-start;
    scrollbar-width: none;
    margin-bottom: var(--space-8);
  }
  .catalog-filters::-webkit-scrollbar {
    display: none;
  }
  .catalog-filters .filter-btn {
    flex-shrink: 0;
  }
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-4);
  }

  /* Nosotros: una columna */
  .cag-about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .cag-about-features {
    padding: var(--space-6);
  }

  /* Producto individual */
  .single-product__gallery {
    max-width: 100%;
  }

  /* Pie de página: una columna */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  /* Casos de éxito */
  .cases-section {
    padding-block: var(--space-12);
  }
  .cases-grid {
    gap: var(--space-4);
  }
  .case-card__body {
    padding: var(--space-4);
  }
  .case-card__title {
    font-size: var(--text-base);
  }

  /* Lightbox */
  .cases-lightbox__content {
    width: 95%;
    aspect-ratio: 16 / 9;
  }
  .cases-lightbox__close {
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }

  /* Botón WhatsApp */
  .wa-float {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 52px;
    height: 52px;
  }
  .wa-float svg {
    width: 26px;
    height: 26px;
  }
}

/* ── Móvil pequeño (hasta 480px) ──────────────────────────────── */
@media (max-width: 480px) {
  /* Estadísticas */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .stat-item__number {
    font-size: var(--text-3xl);
  }
  .stat-item__label {
    font-size: 0.65rem;
  }
  .stat-item {
    padding: var(--space-6) var(--space-3);
  }

  /* Hero: botones apilados, dots abajo */
  .hero {
    padding-top: 72px;
    padding-bottom: var(--space-12);
  }
  .hero__content {
    padding-top: var(--space-6);
  }
  .hero__title {
    font-size: clamp(var(--text-2xl), 9vw, var(--text-4xl));
    line-height: 1.1;
  }
  .hero__subtitle {
    font-size: var(--text-sm);
    line-height: 1.6;
  }
  .hero__eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  .hero__actions .btn {
    text-align: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.75rem;
  }
  .hero__dots {
    right: auto;
    top: auto;
    bottom: var(--space-12);
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
    gap: 12px;
  }
  .hero__dot {
    width: 8px;
    height: 8px;
  }
  .hero__scroll-cue {
    display: none;
  }

  /* Productos: una columna */
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .product-card__title {
    font-size: var(--text-base);
  }
  .product-card__price {
    font-size: var(--text-lg);
  }
  .product-card__body {
    padding: var(--space-4);
  }
  .product-card__desc {
    font-size: var(--text-xs);
    -webkit-line-clamp: 2;
  }
  .product-card__footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  .product-card__footer .btn--wa {
    width: 100%;
    justify-content: center;
  }

  /* Espaciado de secciones reducido */
  .section {
    padding-block: var(--space-12);
  }
  .section--sm {
    padding-block: var(--space-8);
  }
  .section__title {
    font-size: clamp(var(--text-2xl), 7vw, var(--text-4xl));
  }
  .section__desc {
    font-size: var(--text-base);
  }
  .section__header {
    margin-bottom: var(--space-10);
  }

  /* Características de Nosotros */
  .cag-about-features {
    padding: var(--space-5);
    gap: var(--space-5);
  }
  .cag-about-feature {
    gap: var(--space-3);
  }
  .cag-about-feature__title {
    font-size: var(--text-sm);
  }
  .cag-about-feature__desc {
    font-size: var(--text-xs);
  }

  /* Casos de éxito */
  .cases-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .case-card__media {
    aspect-ratio: 16 / 9;
  }
  .case-card__body {
    padding: var(--space-4);
  }
  .case-card__title {
    font-size: var(--text-base);
  }
  .case-card__paciente {
    font-size: var(--text-xs);
  }
  .case-card__duracion {
    font-size: 0.65rem;
  }

  /* Pie de página */
  .site-footer {
    padding-block: var(--space-10) var(--space-6);
  }
  .footer__brand-name {
    font-size: var(--text-xl);
  }
  .footer__desc {
    font-size: var(--text-xs);
    max-width: 100%;
  }
  .footer__col-title {
    font-size: 0.7rem;
  }
  .footer__links a {
    font-size: var(--text-xs);
  }
  .footer__copy {
    font-size: 0.65rem;
  }
  .footer__legal a {
    font-size: 0.65rem;
  }

  /* Producto individual */
  .single-product {
    padding-top: calc(72px + var(--space-8));
    padding-bottom: var(--space-12);
  }
  .single-product__grid {
    gap: var(--space-8);
  }
  .single-product__image {
    aspect-ratio: 4/3;
  }
  .single-product__title {
    font-size: var(--text-2xl);
  }
  .single-product__price-value {
    font-size: var(--text-2xl);
  }
  .single-product__meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  /* Navegación */
  .nav__logo-text {
    font-size: var(--text-xl);
  }

  /* Botones */
  .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.7rem;
  }
  .btn--lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
  }
}

/* ── Dispositivos extra pequeños (hasta 360px) ────────────────── */
@media (max-width: 360px) {
  .container {
    padding-inline: var(--space-3);
  }

  .hero__title {
    font-size: var(--text-2xl);
  }
  .hero__subtitle {
    font-size: 0.8rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-card__body {
    padding: var(--space-3);
  }
  .product-card__title {
    font-size: var(--text-sm);
  }
  .product-card__price-value {
    font-size: var(--text-base);
  }

  .stat-item__number {
    font-size: var(--text-2xl);
  }
  .stat-item__label {
    font-size: 0.6rem;
  }

  .section__title {
    font-size: var(--text-xl);
  }

  .nav__logo-text {
    font-size: var(--text-lg);
  }

  .wa-float {
    width: 48px;
    height: 48px;
    bottom: var(--space-4);
    right: var(--space-4);
  }
  .wa-float svg {
    width: 24px;
    height: 24px;
  }
}