/*
  ÍNDICE
  1. Variables
  2. Reset / Base
  3. Layout y utilidades
  4. Tipografía reutilizable (eyebrow, section-heading)
  5. Componentes (botones, iconos, badges, tarjetas, pasos, acordeón, whatsapp flotante)
  6. Header y nav
  7. Secciones de página (hero → cta final)
  8. Footer
  9. Movimiento (entrada del hero, revelado al hacer scroll)

  Breakpoints (literales, las variables CSS no funcionan dentro de @media):
  sm: 480px | md: 768px (nav horizontal) | lg: 1024px (grids completos) | xl: 1280px (ancho máximo)
*/

/* ==========================================================================
   1. VARIABLES
   ========================================================================== */
:root {
  /* Color */
  --color-bg: #f6eee6;
  --color-bg-alt: #FBF8F1;
  --color-bg-dark: #20241C;
  --color-text: #2A2A22;
  --color-text-muted: #5C5A4E;
  --color-text-on-dark: #F7F1E4;
  --color-primary: #4B5C3D;
  --color-primary-dark: #384630;
  --color-secondary: #B1653B;
  --color-border: #E4DCC8;
  --color-white: #FFFFFF;

  /* Tipografía */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Jost', 'Segoe UI', Tahoma, sans-serif;
  --fs-h1: clamp(2.25rem, 1.2rem + 4vw, 3.5rem);
  --fs-h2: clamp(1.65rem, 1.1rem + 2.2vw, 2.35rem);
  --fs-h3: 1.15rem;
  --fs-eyebrow: 0.8rem;

  /* Espaciado */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Forma / profundidad */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 10px rgba(42, 42, 34, 0.06);
  --shadow-md: 0 14px 34px rgba(42, 42, 34, 0.10);
  --container-width: 1200px;
  --transition: 0.2s ease;
}

/* ==========================================================================
   2. RESET / BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
  font-weight: 600;
}

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

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

ul, ol { list-style: none; padding: 0; }

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

svg { display: block; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 999;
}
.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* ==========================================================================
   3. LAYOUT Y UTILIDADES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

section[id] { scroll-margin-top: 84px; }

.section { padding-block: var(--space-2xl); }
.section--alt { background: var(--color-bg-alt); }

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

.icon {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
}

/* Los íconos de marca (WhatsApp, Facebook, TikTok) son glifos sólidos, no de línea */
.icon:has(use[href="#icon-whatsapp"]),
.icon:has(use[href="#icon-facebook"]),
.icon:has(use[href="#icon-tiktok"]) {
  fill: currentColor;
  stroke: none;
}

@media (min-width: 768px) {
  .section { padding-block: var(--space-3xl); }
}

/* ==========================================================================
   4. TIPOGRAFÍA REUTILIZABLE
   ========================================================================== */
.eyebrow {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section-heading {
  font-size: var(--fs-h2);
  max-width: 42rem;
  margin-bottom: var(--space-xl);
}
.section-heading.text-center { margin-inline: auto; }

.text-accent { color: var(--color-secondary); }

/* ==========================================================================
   5. COMPONENTES
   ========================================================================== */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
  border: 1.5px solid transparent;
}
.btn:hover { transform: translateY(-1px); }

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

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.85rem; }
.btn--lg { padding: 1.1rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn .icon { width: 18px; height: 18px; }

/* Círculo de ícono */
.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  flex-shrink: 0;
}
.icon-circle--lg { width: 64px; height: 64px; }
.icon-circle .icon { width: 24px; height: 24px; }
.icon-circle--lg .icon { width: 28px; height: 28px; }

/* Trust badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  margin-top: var(--space-xl);
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}
.trust-badge .icon { width: 20px; height: 20px; color: var(--color-primary); }

/* Grillas de tarjetas */
.card-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 640px) {
  .card-grid--4, .card-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card__title {
  font-size: var(--fs-h3);
  margin-block: var(--space-md) var(--space-sm);
}

.card__list { display: grid; gap: var(--space-2xs); }
.card__list li {
  position: relative;
  padding-left: var(--space-md);
  font-size: 0.92rem;
  color: var(--color-text-muted);
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
}

.card__text { font-size: 0.92rem; }

/* Proceso / pasos */
.steps {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: minmax(0, 1fr);
  counter-reset: step;
}
@media (min-width: 640px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); position: relative; }
  .steps::before {
    content: "";
    position: absolute;
    top: 26px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: var(--color-border);
    z-index: 0;
  }
}

.step { text-align: center; position: relative; z-index: 1; }
.step__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-inline: auto;
  margin-bottom: var(--space-sm);
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
}
.step .icon-circle { margin-inline: auto; margin-bottom: var(--space-sm); }
.step h3 { font-size: 1.05rem; margin-bottom: var(--space-2xs); }
.step p { font-size: 0.9rem; }

/* Acordeón FAQ */
.accordion {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-md);
}
.accordion__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  cursor: pointer;
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  list-style: none;
}
.accordion__question::-webkit-details-marker { display: none; }
.accordion__icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
details[open] .accordion__icon { transform: rotate(180deg); }
.accordion__answer {
  padding-top: var(--space-sm);
  font-size: 0.95rem;
  max-width: 40rem;
}

/* WhatsApp flotante */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 60;
  transition: transform var(--transition), background var(--transition);
}
.whatsapp-float:hover { background: var(--color-primary-dark); transform: scale(1.06); }
.whatsapp-float .icon { width: 28px; height: 28px; }

/* ==========================================================================
   6. HEADER Y NAV
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 241, 228, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.logo__img { height: 44px; width: auto; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  display: none;
  flex-direction: column;
  gap: var(--space-md);
}
.nav.nav--open { display: flex; }

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav__link {
  display: block;
  font-weight: 500;
  padding-block: var(--space-2xs);
}
.nav__link:hover { color: var(--color-primary); }

.header__social-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text);
  transition: color var(--transition);
}
.header__social:hover { color: var(--color-primary); }
.header__social .icon { width: 20px; height: 20px; }

@media (min-width: 768px) {
  .hamburger { display: none; }

  .nav {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
    background: none;
    border: none;
    padding: 0;
    width: auto;
  }
  .nav__list {
    flex-direction: row;
    gap: var(--space-lg);
  }
}

/* ==========================================================================
   7. SECCIONES DE PÁGINA
   ========================================================================== */

/* --- Hero --- */
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.hero__content {
  padding: var(--space-2xl) var(--space-md);
}

.hero__title { font-size: var(--fs-h1); margin-bottom: var(--space-md); }
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  max-width: 34rem;
}
.hero__text { max-width: 36rem; margin-bottom: var(--space-lg); }

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

.hero__media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    min-height: 640px;
  }
  .hero__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-3xl) var(--space-2xl);
    padding-left: max(var(--space-2xl), calc((100vw - var(--container-width)) / 2 + var(--space-md)));
  }
  .hero__media img { aspect-ratio: auto; }
}

@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
}

/* --- Highlights (modalidad + confidencialidad) --- */
.highlights__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .highlights__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); align-items: stretch; }
}

.highlight-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.highlight-card h3 { font-size: 1.2rem; margin-block: var(--space-sm); }

.highlight-card--quote blockquote {
  font-style: italic;
  color: var(--color-text);
  border-left: 3px solid var(--color-secondary);
  padding-left: var(--space-md);
  margin-block: var(--space-md);
  font-size: 0.98rem;
}

/* --- Sobre mí --- */
.about { padding-block: var(--space-lg); }

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
}
.about__media img {
  width: 100%;
  height: auto;
  max-width: 40rem;
  margin-inline: auto;
  display: block;
}
.about__content {
  padding-block: var(--space-lg);
}
.about__content h2 { margin-bottom: var(--space-md); }
.about__quote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-top: var(--space-md);
}
@media (min-width: 900px) {
  .about__content { padding-block: var(--space-xl); }
  .about__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
}

.credentials {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
@media (min-width: 480px) {
  .credentials { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.credential-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.credential-card .icon-circle { width: 44px; height: 44px; }
.credential-card .icon-circle .icon { width: 20px; height: 20px; }
.credential-card__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}
.credential-card__subtitle { font-size: 0.82rem; }
.credential-card__subtitle a { text-decoration: underline; text-underline-offset: 2px; }
.credential-card__subtitle a:hover { color: var(--color-primary); }

/* --- FAQ --- */
.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 var(--space-2xl);
}
@media (min-width: 900px) {
  .faq__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

/* --- CTA final --- */
.cta-final {
  background-color: var(--color-bg-dark);
  background-image: linear-gradient(rgba(20, 22, 15, 0.55), rgba(20, 22, 15, 0.55)), url('../img/bk--footer.webp');
  background-size: cover;
  background-position: left center;
  background-repeat: no-repeat;
  color: var(--color-text-on-dark);
  padding-block: var(--space-2xl);
}
.cta-final__inner { text-align: center; }
.cta-final h2 {
  color: var(--color-text-on-dark);
  font-size: var(--fs-h2);
  max-width: 38rem;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}
.cta-final__social-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.cta-final__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-text-on-dark);
  font-weight: 500;
  opacity: 0.85;
  transition: opacity var(--transition);
}
.cta-final__social:hover { opacity: 1; }
.cta-final__social .icon { width: 20px; height: 20px; }

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
.footer { padding-block: var(--space-xl); border-top: 1px solid var(--color-border); }

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.9rem;
}

.footer__social-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}
.footer__social:hover { color: var(--color-primary); }
.footer__social .icon { width: 18px; height: 18px; }
.footer__nav a:hover { color: var(--color-primary); }

.footer__email {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-2xs);
  margin: var(--space-lg) auto 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}
.footer__email:hover { color: var(--color-primary); }
.footer__email .icon { width: 18px; height: 18px; }

.footer__copy {
  font-size: 0.8rem;
  text-align: center;
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
}
.footer__copy a { text-decoration: underline; text-underline-offset: 2px; }
.footer__copy a:hover { color: var(--color-primary); }

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================================================
   9. MOVIMIENTO
   ========================================================================== */

/* Entrada del hero al cargar la página (siempre visible al inicio, no necesita JS) */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__content > * {
  opacity: 0;
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero__content > *:nth-child(1) { animation-delay: 0.05s; }
.hero__content > *:nth-child(2) { animation-delay: 0.15s; }
.hero__content > *:nth-child(3) { animation-delay: 0.25s; }
.hero__content > *:nth-child(4) { animation-delay: 0.35s; }
.hero__content > *:nth-child(5) { animation-delay: 0.45s; }
.hero__content > *:nth-child(6) { animation-delay: 0.55s; }

.hero__media {
  opacity: 0;
  animation: fadeUp 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

/* Revelado suave al hacer scroll (activado por IntersectionObserver en main.js) */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-group > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-group.is-visible > * { opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-group.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-group.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-group.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-group.is-visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-group.is-visible > *:nth-child(6) { transition-delay: 0.4s; }

/* Sin JS: el contenido siempre queda visible, nunca oculto */
.no-js .reveal,
.no-js .reveal-group > * {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero__content > *, .hero__media { animation: none; opacity: 1; transform: none; }
}