/* ================================================================
   REHABILITACIÓN CANINA CHILE — styles.css
   ================================================================
   ÍNDICE:
   1.  Variables globales (colores, tipografía, espaciado, etc.)
   2.  Reset y base
   3.  Tipografía global
   4.  Utilidades (container, sección, botones, clases reutilizables)
   5.  Barra de anuncio
   6.  Header sticky
   7.  Navegación mobile (hamburguesa + overlay)
   8.  Hero
   9.  Sección: Cómo funciona (steps)
   10. Sección: Para quién es (conditions)
   11. Sección: Resultados esperables
   12. Sección: Planes y precios
   13. Sección: Historia / Por qué existe
   14. Sección: CTA final
   15. Footer
   16. WhatsApp FAB
   17. Animaciones y accesibilidad
   ================================================================ */


/* ================================================================
   1. VARIABLES GLOBALES
   Para cambiar el look completo del sitio, editar solo esta sección
   ================================================================ */
:root {

  /* --- Paleta principal ---
     Filosofía: verde azulado (salud, naturaleza), cálido (confianza)
     Primario: verde salud + movilidad
     Acento: naranja cálido para CTAs y detalles emocionales
     Neutral: grises cálidos para texto y fondos
  */

  /* Colores primarios (verde teal cálido) */
  --color-primary-100: #d4ede8;
  --color-primary-200: #a8dbd0;
  --color-primary-300: #70c0b0;
  --color-primary-400: #3da390;
  --color-primary-500: #1e8a74;   /* principal */
  --color-primary-600: #16705e;
  --color-primary-700: #0f5647;

  /* Acento cálido (naranja terroso) */
  --color-accent:       #e07040;
  --color-accent-light: #f5c4a8;
  --color-accent-dark:  #b85520;

  /* Neutros cálidos */
  --color-text:         #1a1a1a;
  --color-text-muted:   #5a5a5a;
  --color-text-light:   #8a8a8a;
  --color-text-invert:  #ffffff;

  /* Fondos */
  --color-bg:           #fafaf8;   /* fondo principal ligeramente cálido */
  --color-surface-1:    #ffffff;
  --color-surface-2:    #f2f2ee;   /* sección alternante */
  --color-surface-dark: #1a2c28;   /* footer y secciones oscuras */

  /* Bordes */
  --color-border:       #e0e0d8;
  --color-border-focus: var(--color-primary-500);

  /* --- Tipografía ---
     Fuentes del sistema para máxima performance, sin dependencias externas
     TODO: Si se desea fuente web, añadir @font-face aquí
  */
  --font-family-display: Georgia, 'Times New Roman', serif;       /* headings */
  --font-family-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --font-size-xs:   0.75rem;    /* 12px */
  --font-size-sm:   0.875rem;   /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md:   1.125rem;   /* 18px */
  --font-size-lg:   1.25rem;    /* 20px */
  --font-size-xl:   1.5rem;     /* 24px */
  --font-size-2xl:  1.875rem;   /* 30px */
  --font-size-3xl:  2.25rem;    /* 36px */
  --font-size-4xl:  3rem;       /* 48px */
  --font-size-5xl:  3.75rem;    /* 60px */

  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;

  --line-height-tight:  1.2;
  --line-height-base:   1.6;
  --line-height-loose:  1.8;

  /* --- Espaciado ---
     Escala consistente basada en múltiplos de 4px
  */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* --- Layout ---*/
  --container-max:   1100px;
  --container-pad:   var(--space-6);

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

  /* --- Sombras --- */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.12);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.16);

  /* --- Transiciones --- */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* --- Header --- */
  --header-height: 68px;
  --announcement-height: 40px;
}


/* ================================================================
   2. RESET Y BASE
   ================================================================ */

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

html {
  scroll-behavior: smooth;
  /* Compensar la altura del header + announcement al hacer scroll a anclas */
  scroll-padding-top: calc(var(--header-height) + var(--announcement-height));
  font-size: 16px;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}


/* ================================================================
   3. TIPOGRAFÍA GLOBAL
   ================================================================ */

h1, h2, h3, h4, h5 {
  font-family: var(--font-family-display);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

em { font-style: italic; }

strong { font-weight: var(--font-weight-semibold); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
}

@media (min-width: 1024px) {
  h1 { font-size: var(--font-size-5xl); }
}


/* ================================================================
   4. UTILIDADES
   ================================================================ */

/* Container centrado con padding lateral */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Sección genérica */
.section {
  padding-block: var(--space-20);
}

.section--alt {
  background-color: var(--color-surface-2);
}

/* Header de sección */
.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-title {
  margin-bottom: var(--space-4);
  color: var(--color-primary-700);
}

.section-title em {
  color: var(--color-accent);
  font-style: italic;
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
}

/* CTA centrado bajo sección */
.section-cta-wrap {
  text-align: center;
  margin-top: var(--space-10);
}

/* Ocultar salto de línea en mobile */
@media (max-width: 767px) {
  .hide-mobile { display: none; }
}

/* ================================================================
   BOTONES
   Variantes: --primary, --outline, --ghost, --lg
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

/* Primario */
.btn--primary {
  background-color: var(--color-primary-500);
  color: var(--color-text-invert);
  border: 2px solid var(--color-primary-500);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-600);
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-md);
}

/* Outline */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary-500);
  border: 2px solid var(--color-primary-500);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-primary-500);
  color: var(--color-text-invert);
}

/* Ghost (para fondos oscuros o hero) */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-invert);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background-color: rgba(255,255,255,0.15);
  border-color: var(--color-text-invert);
}

/* Tamaño grande */
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-md);
}

/* Focus visible global */
:focus-visible {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 3px;
}


/* ================================================================
   LOGO TEXT (fallback mientras no hay imagen de logo)
   ================================================================ */
.logo-text {
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  line-height: 1.2;
  color: var(--color-primary-700);
  text-align: left;
}

.logo-text strong {
  color: var(--color-primary-500);
  font-size: var(--font-size-md);
}

.logo-text--footer {
  color: rgba(255,255,255,0.7);
}

.logo-text--footer strong {
  color: #ffffff;
}


/* ================================================================
   5. BARRA DE ANUNCIO
   ================================================================ */
.announcement-bar {
  background-color: var(--color-primary-700);
  color: var(--color-text-invert);
  text-align: center;
  padding: var(--space-2) var(--container-pad);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  position: sticky;
  top: 0;
  z-index: 100;
}

.announcement-bar p {
  margin: 0;
}

.announcement-bar strong {
  color: var(--color-accent-light);
}


/* ================================================================
   6. HEADER STICKY
   ================================================================ */
.site-header {
  position: sticky;
  top: var(--announcement-height);
  z-index: 99;
  background-color: var(--color-surface-1);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* Logo */
.header__logo {
  flex-shrink: 0;
  text-decoration: none;
  display: flex;
  align-items: center;
}

/* CTA del header */
.header__cta {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-5);
}


/* ================================================================
   7. NAVEGACIÓN
   ================================================================ */

/* Nav desktop */
.main-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary-500);
  background-color: var(--color-primary-100);
}

/* Botón hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--color-surface-2);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

/* Animación X cuando está abierto */
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

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

/* Overlay mobile */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 97;
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-overlay.is-visible {
  opacity: 1;
}

/* ----------------------------------------------------------------
   MOBILE NAVIGATION (max-width: 899px)
   ---------------------------------------------------------------- */
@media (max-width: 1099px) {

  .nav-toggle {
    display: flex;
    order: 1;
  }

  .header__logo {
    order: 2;
    flex: 1;
    justify-content: center;
    text-align: center;
  }

  .logo-text {
    text-align: center;
  }

  .header__cta {
    order: 3;
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
  }

  /* Nav en drawer lateral */
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: min(320px, 85vw);
    background-color: var(--color-surface-1);
    box-shadow: var(--shadow-xl);
    z-index: 98;
    padding: var(--space-16) var(--space-6) var(--space-8);
    transform: translateX(-110%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-overlay {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .nav__link {
    display: block;
    padding: var(--space-4);
    font-size: var(--font-size-md);
    border-radius: var(--radius-md);
    color: var(--color-text);
  }

  .announcement-bar {
    position: relative;
    top: auto;
    z-index: auto;
  }

  .site-header {
    top: 0;
  }

  html {
    scroll-padding-top: var(--header-height);
  }
}


/* ----------------------------------------------------------------
   DESKTOP NAVIGATION (min-width: 900px)
   ---------------------------------------------------------------- */
@media (min-width: 1100px) {
  .nav-toggle  { display: none; }
  .nav-overlay { display: none !important; }
  .main-nav    { position: static; transform: none; box-shadow: none; padding: 0; }
}


/* ================================================================
   8. HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary-700);
  overflow: hidden;
  padding-top: 1rem;
  padding-bottom: 4rem;
}

/* Fondo (placeholder hasta que haya imagen real) */
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-primary-700) 0%,
    var(--color-primary-500) 60%,
    var(--color-primary-400) 100%
  );
  /* TODO: cuando haya imagen hero, reemplazar el background por:
     background-image: url('assets/hero-dog.jpg');
     background-size: cover;
     background-position: center;
  */
}

/* Textura sutil sobre el fondo */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(0,0,0,0.15) 0%, transparent 50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-200);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--color-text-invert);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.hero__title em {
  color: var(--color-accent-light);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-loose);
  max-width: 520px;
}

.hero__body {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.65);
  font-style: italic;
  margin-bottom: var(--space-8);
}

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

/* Imagen placeholder del hero */
.hero__image-wrap {
  display: none; /* oculto en mobile, visible en desktop */
}

.hero__media-card {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow-lg);
  transform: translateY(-80px);
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 300%;
}

.hero__dog-icon {
  width: 160px;
  height: 160px;
}

.placeholder-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.4);
  font-style: italic;
  margin: 0;
}

@media (min-width: 1100px) {
  .hero__content {
    grid-template-columns: 1fr 1fr;
  }

  .hero__image-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
  }
}


/* ================================================================
   9. SECCIÓN: CÓMO FUNCIONA (STEPS)
   ================================================================ */
.steps-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  counter-reset: steps;
}

.step-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  background: var(--color-surface-1);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.step-number {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background-color: var(--color-primary-500);
  color: var(--color-text-invert);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
}

.step-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary-700);
  margin-bottom: var(--space-2);
}

.step-desc {
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
  margin: 0;
}

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


/* ================================================================
   10. SECCIÓN: PARA QUIÉN ES (CONDITIONS)
   ================================================================ */
.conditions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

.condition-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.condition-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-300);
}

.condition-icon {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.condition-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary-700);
  margin-bottom: var(--space-2);
}

.condition-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin: 0;
  line-height: var(--line-height-base);
}

/* Notice de diagnóstico */
.diagnosis-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background-color: rgba(30, 138, 116, 0.07);
  border: 1px solid var(--color-primary-200);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}

.diagnosis-notice__icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.diagnosis-notice p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin: 0;
  line-height: var(--line-height-base);
}

@media (min-width: 600px) {
  .conditions-grid {
    grid-template-columns: 1fr 1fr;
  }
}


/* ================================================================
   11. SECCIÓN: RESULTADOS ESPERABLES
   ================================================================ */
.results-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 700px;
  margin-inline: auto;
}

.result-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-1);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.result-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background-color: rgba(224, 112, 64, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary-700);
  margin-bottom: var(--space-1);
}

.result-desc {
  color: var(--color-text-muted);
  margin: 0;
  font-size: var(--font-size-base);
}


/* ================================================================
   12. SECCIÓN: PLANES Y PRECIOS
   ================================================================ */
.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

.plan-card {
  position: relative;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.plan-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

/* Plan destacado */
.plan-card--featured {
  border-color: var(--color-primary-400);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.plan-card__badge {
  position: absolute;
  top: -14px;
  right: var(--space-6);
  background-color: var(--color-accent);
  color: var(--color-text-invert);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
}

.plan-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.plan-card__title {
  font-size: var(--font-size-xl);
  color: var(--color-primary-700);
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.price-amount {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-500);
  line-height: 1;
}

.price-currency {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.plan-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.plan-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

/* Check icon para cada feature */
.plan-card__features li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none'%3E%3Ccircle cx='9' cy='9' r='8' stroke='%231e8a74' stroke-width='1.5'/%3E%3Cpath d='M5 9.5l3 3 5-6' stroke='%231e8a74' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.plan-card__cta {
  width: 100%;
  margin-top: auto;
}

.plans-note {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.plans-note a {
  color: var(--color-primary-500);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.plans-note a:hover {
  color: var(--color-primary-700);
}

.pricing-note {
  max-width: 980px;
  margin: 2rem auto 2.5rem;
  padding: 1.5rem 2rem;
  border: 1.5px solid rgba(45, 169, 150, 0.35);
  border-radius: 1.75rem;
  background: rgba(45, 169, 150, 0.04);
}

.pricing-note p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

.pricing-note strong {
  font-weight: 700;
}

@media (max-width: 768px) {
  .pricing-note {
    margin: 1.5rem 0 2rem;
    padding: 1.1rem 1rem;
    border-radius: 1.25rem;
  }

  .pricing-note p {
    font-size: 0.98rem;
    line-height: 1.6;
  }
}

@media (min-width: 640px) {
  .plans-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .plans-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}




/* ================================================================
   13. SECCIÓN: HISTORIA / POR QUÉ EXISTE
   ================================================================ */
.section--story {
  position: relative;
  overflow: hidden;
}

/* Elemento decorativo de fondo */
.section--story::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-primary-100) 0%, transparent 70%);
  pointer-events: none;
}

.story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* Columna imagen */
.story__image-col {
  display: flex;
  justify-content: center;
}

.story__image-wrap {
  position: relative;
  max-width: 360px;
  width: 100%;
}

.story__photo-placeholder {
  aspect-ratio: 4 / 5;
  background: linear-gradient(145deg, var(--color-primary-100), var(--color-primary-200));
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  border: 2px dashed var(--color-primary-300);
  overflow: hidden;
}

.story__photo-placeholder span {
  font-size: 5rem;
  line-height: 1;
}

.story__photo-placeholder p {
  font-size: var(--font-size-sm);
  color: var(--color-primary-600);
  font-style: italic;
  margin: 0;
}

/* Foto real (reemplaza al placeholder) */
.story__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* Card nombre y rol */
.story__accent-card {
  position: absolute;
  bottom: -var(--space-5);
  right: -var(--space-4);
  background: var(--color-surface-1);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--color-accent);
  bottom: var(--space-5);
  right: calc(-1 * var(--space-4));
}

.story__accent-name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

.story__accent-role {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* Columna texto */
.story__title {
  margin-bottom: var(--space-8);
}

.story__body {
  max-width: 580px;
}

.story__body p {
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-5);
}

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

.story__body em {
  color: var(--color-text-muted);
}

/* Cita destacada */
.story__quote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-3) var(--space-5);
  margin-block: var(--space-6);
  background: rgba(224, 112, 64, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.story__quote p {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--color-primary-700);
  margin: 0;
}

/* Cierre emocional */
.story__closing {
  font-size: var(--font-size-md);
  font-style: italic;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  margin-top: var(--space-5);
}

.story__closing strong {
  color: var(--color-primary-600);
}

.story__cta-wrap {
  margin-top: var(--space-8);
}

@media (min-width: 1100px) {
  .story__grid {
    grid-template-columns: 400px 1fr;
  }
}


/* ================================================================
   14. SECCIÓN: CTA FINAL
   ================================================================ */
.section--cta-final {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-500));
  padding-block: var(--space-20);
}

.cta-final__content {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
}

.cta-final__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text-invert);
  margin-bottom: var(--space-4);
}

.cta-final__desc {
  font-size: var(--font-size-md);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-loose);
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}


/* ================================================================
   15. FOOTER
   ================================================================ */
.site-footer {
  background-color: var(--color-surface-dark);
  color: rgba(255,255,255,0.75);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-block: var(--space-16);
}

.footer__brand {
  max-width: 320px;
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: var(--line-height-base);
  margin-top: var(--space-4);
}

.footer__nav-title {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
  line-height: var(--line-height-base);
}

.footer__nav-link:hover {
  color: var(--color-text-invert);
}

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
  line-height: var(--line-height-base);
  word-break: break-all;
}

.footer__contact-link:hover {
  color: var(--color-text-invert);
}

.footer__contact-link svg {
  flex-shrink: 0;
  color: var(--color-primary-300);
}

/* Barra inferior del footer */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: var(--space-5);
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin: 0;
}

@media (min-width: 640px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__brand {
    grid-column: auto;
  }
}


/* ================================================================
   16. WHATSAPP FAB
   ================================================================ */
.whatsapp-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: #25d366;
  color: #ffffff;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.whatsapp-fab:hover,
.whatsapp-fab:focus-visible {
  background-color: #1dae55;
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.whatsapp-fab__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.whatsapp-fab__label {
  display: none;
}

/* Mostrar label en desktop */
@media (min-width: 768px) {
  .whatsapp-fab__label {
    display: inline;
  }
}




/* ================================================================
   NUEVOS COMPONENTES — FAQ Y AVISOS LEGALES
   ================================================================ */

.service-note {
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background-color: rgba(30, 138, 116, 0.06);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary-300);
  text-align: center;
}

.service-note p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

.service-note strong {
  color: var(--color-primary-600);
}

.service-note--plans {
  text-align: left;
}

.diagnosis-notice {
  align-items: flex-start;
}

.diagnosis-notice__legal {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-style: italic;
}

.cta-final__clarification {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-base);
  font-style: italic;
}

.cta-final__clarification strong {
  color: rgba(255, 255, 255, 0.9);
  font-style: normal;
}

.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.faq-item.is-active {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary-600);
}

.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary-300);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
}

.faq-question[aria-expanded="true"] .faq-icon {
  background-color: var(--color-primary-100);
  border-color: var(--color-primary-400);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  animation: faq-open var(--transition-base) ease;
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer p {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
}

.footer__bottom-link {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.38);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: rgba(255, 255, 255, 0.72);
}

@media (min-width: 640px) {
  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer__bottom-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}


/* ================================================================
   17. ANIMACIONES, ACCESIBILIDAD Y PRINT
   ================================================================ */

/* Respetar preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Estado is-animating para secciones con JS */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Skip link accesibilidad */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-6);
  z-index: 999;
  background: var(--color-primary-700);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Print básico */
@media print {
  .site-header,
  .announcement-bar,
  .whatsapp-fab,
  .nav-toggle,
  .btn {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}