/* =============================================================
   MAIN.CSS — Estilos de Clínica Veterinaria Huellitas
   -----------------------------------------------------------------
   Estrategia: "mobile-first" ligero. Base pensada para movil y
   se refuerza con @media para pantallas grandes.
   Convencion de nombres: BEM (Bloque__elemento--modificador).
   ============================================================= */

/* ============ BASE ============ */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-title);
  line-height: 1.15;
  color: var(--color-text);
}

p {
  color: var(--color-muted);
}

.container {
  width: min(100% - 2rem, var(--container-width));
  margin-inline: auto;
}

/* ============ SKIP LINK (accesibilidad) ============ */
/* Enlace invisible que se muestra al navegar con teclado:
   salta directo al contenido sin pasar el menu */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ============ TOP BAR ============ */
.topbar {
  background-color: #1f2a30;
  color: rgba(255, 255, 255, 0.84);
  font-size: var(--text-xs);
}

.topbar__inner {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
  text-align: center;
}

.topbar__item,
.topbar__link {
  color: rgba(255, 255, 255, 0.84);
  font-weight: 600;
}

.topbar__link {
  color: var(--color-accent);
}

.topbar__link:hover,
.topbar__item:hover {
  color: var(--color-white);
}

/* ============ HEADER Y NAVEGACION ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(38, 50, 56, 0.03);
}

.navbar {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo img {
  width: 76px;
  height: auto;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast);
}

.logo:hover img {
  transform: scale(1.03);
}

/* Boton hamburguesa: solo visible en movil */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: var(--radius-pill);
  transition:
    transform var(--transition-base),
    opacity var(--transition-fast);
}

/* Animacion: las 3 barras se convierten en una "X" */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Panel de enlaces: base en movil (oculto, se despliega con .is-open) */
.nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility var(--transition-base);
}

.nav-links.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

.nav__link {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--color-text);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav__link--active {
  color: var(--color-primary);
}

/* CTA "Agendar cita" dentro del menu */
.nav__link--cta {
  text-align: center;
  margin-top: var(--space-xs);
  color: var(--color-white);
  background-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

.nav__link--cta:hover {
  color: var(--color-white);
  background-color: var(--color-primary-dark);
}

/* ============ BOTONES ============ */
/* Altura 44px minimo: objetivo tactil recomendado (WCAG 2.5.5) */
.btn {
  min-height: 48px;
  padding: 0 var(--space-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  color: var(--color-white);
  background-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(233, 30, 140, 0.25);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(233, 30, 140, 0.32);
}

.btn--secondary {
  color: var(--color-primary);
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn--block {
  width: 100%;
}

/* Boton verde de WhatsApp */
.btn--whatsapp {
  color: var(--color-white);
  background-color: #25d366;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

.btn--whatsapp:hover {
  background-color: #1ebe5b;
  transform: translateY(-2px);
}

/* ============ HERO ============ */
/* Fondo decorativo: "huellas" sutiles hechas con gradientes radiales
   (sin imagenes externas = carga rapida en movil) */
.hero {
  min-height: 80vh;
  padding: var(--space-2xl) 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: var(--color-background);
  background-image:
    radial-gradient(
      circle at 12% 18%,
      rgba(34, 184, 181, 0.1) 0,
      transparent 6%
    ),
    radial-gradient(
      circle at 12% 18%,
      rgba(34, 184, 181, 0.08) 0,
      transparent 2.2rem
    ),
    radial-gradient(
      circle at 88% 80%,
      rgba(233, 30, 140, 0.1) 0,
      transparent 5rem
    ),
    radial-gradient(
      circle at 88% 80%,
      rgba(233, 30, 140, 0.08) 0,
      transparent 2.4rem
    );
}

.hero__content {
  width: min(100% - 2rem, 860px);
  margin-inline: auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  color: var(--color-secondary-dark);
  background-color: var(--color-secondary-light);
  border: 1px solid rgba(34, 184, 181, 0.25);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}

.hero__title {
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.hero__title--accent {
  color: var(--color-primary);
}

.hero__subtitle {
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.6;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.hero__stat {
  padding: var(--space-md) var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  text-align: center;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.hero__stat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.hero__stat-number {
  display: block;
  color: var(--color-primary);
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  font-weight: 800;
  font-family: var(--font-title);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============ SECCIONES ============ */
.section {
  padding: var(--space-3xl) 0;
}

.section--surface {
  background-color: var(--color-surface);
}

.section__eyebrow {
  display: inline-block;
  margin-bottom: var(--space-md);
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-secondary-dark);
  background-color: var(--color-secondary-light);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section__title {
  margin-bottom: var(--space-md);
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.section__title--left {
  text-align: left;
}

.section__subtitle {
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
  font-size: var(--text-lg);
}

.section__subtitle--left {
  margin-left: 0;
  text-align: left;
}

/* ============ CLINICA (por que elegirnos) ============ */
.clinic {
  padding: var(--space-3xl) 0;
  background-color: var(--color-surface);
}

.clinic__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.clinic__text {
  margin-top: var(--space-lg);
  font-size: var(--text-lg);
  line-height: 1.6;
}

.clinic__features {
  display: grid;
  gap: var(--space-md);
}

.feature {
  padding: var(--space-lg);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature h3 {
  margin-bottom: var(--space-xs);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-lg);
}

/* Imagenes de contenido: fotos dentro de secciones y tarjetas */
.content-image {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  margin: var(--space-md) 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.clinic .content-image {
  margin-top: var(--space-lg);
}
/* ============ SERVICIOS ============ */
.services {
  padding: var(--space-3xl) 0;
  text-align: center;
  background-color: var(--color-background);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.service-card {
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  text-align: left;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* Icono dentro de cada tarjeta de servicio */
.service-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-md);
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.service-card__icon::before {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.service-card__icon--medicine::before {
  content: "MI";
}

.service-card__icon--diagnostic::before {
  content: "DX";
}

.service-card__icon--grooming::before {
  content: "GS";
}

.service-card__icon--surgery::before {
  content: "QX";
}

.service-card__icon--bath::before {
  content: "BA";
}

.service-card__icon--nails::before {
  content: "PA";
}

.service-card__icon--ears::before {
  content: "OI";
}

.service-card__icon--preop::before {
  content: "PR";
}

.service-card__icon--urgent::before {
  content: "UR";
}

.service-card__icon--imaging::before {
  content: "IM";
}

.service-card__icon--xray::before {
  content: "RX";
}

.service-card__icon--lab::before {
  content: "LB";
}

.service-card__icon--general::before {
  content: "MG";
}

.service-card__icon--treatment::before {
  content: "TR";
}

.service-card__icon--hospital::before {
  content: "HO";
}

.service-card__icon--vaccine::before {
  content: "VA";
}

.service-card__icon--followup::before {
  content: "SE";
}

.service-card__icon--prevention::before {
  content: "PV";
}

.service-card__icon--basic-plan::before {
  content: "BA";
}

.service-card__icon--adult-plan::before {
  content: "AD";
}

.service-card__icon--senior-plan::before {
  content: "SE";
}

.service-card:nth-child(2n) .service-card__icon {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.service-card h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.35rem;
}

.service-card p {
  flex-grow: 1;
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-sm);
}

.service-card__link:hover {
  color: var(--color-primary-dark);
}

/* ============ BANER DE CTA (cierre de paginas) ============ */
.cta-banner {
  padding: var(--space-3xl) 0;
  text-align: center;
  background-color: var(--color-primary);
  background-image:
    radial-gradient(
      circle at 15% 20%,
      rgba(255, 255, 255, 0.12) 0,
      transparent 4rem
    ),
    radial-gradient(
      circle at 85% 80%,
      rgba(255, 255, 255, 0.12) 0,
      transparent 5rem
    );
}

.cta-banner__title {
  color: var(--color-white);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.cta-banner__text {
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--text-lg);
}

.cta-banner .btn--primary {
  color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.cta-banner .btn--primary:hover {
  background-color: var(--color-accent);
  color: var(--color-text);
}

/* ============ FORMULARIOS ============ */
.citas {
  padding: var(--space-3xl) 0;
  background-color: var(--color-background);
}

.citas__title {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
}

.citas__description {
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
  font-size: var(--text-lg);
}

.citas__form {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Cada campo del formulario: etiqueta + control */
.form-group {
  display: grid;
  gap: var(--space-md);
}

.form-field {
  display: grid;
  gap: var(--space-2xs);
}

.form-field label {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-field textarea {
  min-height: 110px;
}

/* Estado de foco: borde rosa + halo suave (sin depender del outline) */
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-field .hint {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* Mensaje de error de validacion (se controla desde JS) */
.form-field .field-error {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-error);
}

.form-field .field-error[hidden] {
  display: none;
}

.form-actions {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.form-note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* Mensajes globales de exito / error del formulario */
.form-alert {
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-md);
}

.form-alert[hidden] {
  display: none;
}

.form-alert--success {
  background-color: var(--color-secondary-light);
  color: var(--color-success);
  border: 1px solid rgba(26, 158, 124, 0.3);
}

.form-alert--error {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid rgba(224, 49, 49, 0.3);
}

/* ============ CONTACTO ============ */
.contact__hero {
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
  background-color: var(--color-surface);
}

.contact__title {
  max-width: 720px;
  margin: 0 auto var(--space-md);
  font-size: clamp(2rem, 5vw, 3rem);
}

.contact__description {
  max-width: 620px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

.contact__info {
  padding: var(--space-2xl) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.contact__item {
  padding: var(--space-lg);
  text-align: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.contact__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact__item p:first-child {
  margin-bottom: var(--space-xs);
  font-weight: 700;
  color: var(--color-text);
}

.contact__item a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact__item a:hover {
  color: var(--color-primary-dark);
}

.contact__map {
  padding-bottom: var(--space-2xl);
}

.contact__map iframe {
  width: 100%;
  height: 380px;
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

/* Redes sociales con estilos coherentes */

.contact__social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact__social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex: 1 1 240px;
  min-width: 200px;
  max-width: 280px;
  padding: var(--space-lg);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.contact__social-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.social-logo {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  color: var(--color-white);
  border-radius: var(--radius-pill);
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-soft);
}

.social-logo--facebook {
  background-color: #1877f2;
}

.social-logo--instagram {
  background: linear-gradient(135deg, #833ab4, #e1306c, #f77737);
}

.social-logo--tiktok {
  background-color: #111111;
}

.btn-instagram,
.btn-facebook,
.btn-tiktok {
  padding: 10px 24px;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: bold;
  color: var(--color-white);
  cursor: pointer;
  border: none;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transition:
    transform var(--transition-base),
    background-color var(--transition-fast);
}

.btn-instagram {
  background-color: var(--background-btn-instagram);
}

.btn-tiktok {
  background-color: var(--background-btn-tiktok);
}

.btn-facebook {
  background-color: var(--background-btn-facebook);
}

.btn-instagram:hover,
.btn-tiktok:hover,
.btn-facebook:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* ============ PLANES ============ */
.plans {
  padding: var(--space-3xl) 0;
  text-align: center;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.preventive-calendar {
  background-color: var(--color-background);
}

.calendar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.calendar-card {
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.calendar-card:nth-child(2n) {
  border-top-color: var(--color-secondary);
}

.calendar-card__period {
  display: inline-block;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.calendar-card h3 {
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 800;
}

.calendar-card ul {
  display: grid;
  gap: var(--space-sm);
  padding-left: 1.2rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.calendar-note {
  max-width: 760px;
  margin: var(--space-2xl) auto 0;
  padding: var(--space-lg);
  color: var(--color-muted);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-md);
  line-height: 1.6;
}

.calendar-note strong {
  color: var(--color-text);
}

/* ============ FOOTER ============ */
.footer {
  padding: var(--space-3xl) 0 0;
  background-color: #1f2a30;
  color: rgba(255, 255, 255, 0.85);
}

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

.footer__title {
  color: var(--color-white);
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.footer__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  max-width: 320px;
}

.footer__heading {
  margin-bottom: var(--space-md);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__links {
  display: grid;
  gap: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__copy {
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-xs);
}

/* ============ BOTON FLOTANTE DE WHATSAPP ============ */
/* Fijo en la esquina inferior derecha: conversion directa en movil */
.whatsapp-float {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 60;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  background-color: #25d366;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  transition:
    transform var(--transition-base),
    background-color var(--transition-fast);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  background-color: #1ebe5b;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
}

/* ============ UTILIDADES ============ */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--space-lg);
}

/* ============ RESPONSIVE (pantallas >= 768px) ============ */
@media (min-width: 768px) {
  /* Nav en fila, hamburguesa oculta */
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2xs);
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .nav__link--cta {
    margin-top: 0;
    margin-left: var(--space-sm);
  }

  .hero {
    min-height: 82vh;
  }

  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .clinic__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__info {
    grid-template-columns: repeat(3, 1fr);
  }

  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }

  .form-actions {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .hero__stats {
    gap: var(--space-lg);
  }

  .services__grid {
    gap: var(--space-2xl);
  }
}