:root {
  --color-navy: #2F4156;
  --color-steel: #567C8D;
  --color-cream: #F5EFEB;
  --color-sand: #EFE1D0;
  --color-gray-mid: #8A8A8A;
  --color-gray-dark: #4A4A4A;
  --color-gray-soft: #6A6A6A;
  --color-ink: #1C1C1C;
  --color-line: #C6D1D9;
  --color-taupe: #E7E0D8;
  --color-white: #FFFFFF;
  --color-body-text: #555;
  --color-body-text-strong: #333;
  --color-placeholder-text: #9C7A4E;

  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "Inter", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  font-family: var(--font-sans);
  background: var(--color-cream);
  color: var(--color-ink);
  overflow-x: hidden;
}

a { color: var(--color-steel); text-decoration: none; }
a:hover { color: var(--color-navy); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

a:focus-visible,
button:focus-visible,
.faq-question:focus-visible {
  outline: 2px solid var(--color-steel);
  outline-offset: 3px;
}

section[id] { scroll-margin-top: 96px; }

/* Tipografía y componentes compartidos */
.heading-display { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.75rem, 1.35rem + 1.8vw, 2.75rem); line-height: 1.12; margin: 0; }
.heading-center { text-align: center; }
.text-accent { color: var(--color-steel); }

.cta-button {
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 18px 36px;
  border-radius: 999px;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}
.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--color-navy) 25%, transparent);
  color: var(--color-white);
}
@media (max-width: 767px) {
  .cta-full-width { width: 100%; max-width: 320px; text-align: center; }
}

/* Layout */
.section { padding: 120px 24px; }
@media (max-width: 767px) {
  .section { padding: 80px 20px; }
}
.section-sand { background: var(--color-sand); }
.section-cream { background: var(--color-cream); }

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px;
  background: transparent;
  box-shadow: none;
  transition: all 0.3s ease;
  gap: 16px;
}
.nav.scrolled {
  padding: 16px 24px;
  background: var(--color-cream);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-ink) 6%, transparent);
}
@media (min-width: 900px) {
  .nav { padding-left: 48px; padding-right: 48px; }
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-ink);
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo:hover { color: var(--color-ink); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 100px;
}
@media (max-width: 767px) {
  .hero { padding: 120px 20px 72px; }
  .hero-headline { font-size: clamp(1.9rem, 1.1rem + 4vw, 2.4rem); letter-spacing: -0.015em; }
  .hero-subtext { font-size: 16px; }
}
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  filter: saturate(0.9) brightness(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--color-cream) 38%, transparent) 0%, color-mix(in srgb, var(--color-cream) 58%, transparent) 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 26px;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-steel);
  max-width: 520px;
  line-height: 1.6;
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 1.2rem + 4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-ink);
}
.hero-subtext {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-body-text);
  max-width: 560px;
  margin: 0;
}
.hero-video-card {
  position: relative;
  width: 100%;
  max-width: 700px;
  aspect-ratio: 16/9;
  background: var(--color-taupe);
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(44,44,44,0.1);
  overflow: hidden;
  margin-top: 8px;
}
.hero-video-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.hero-video-caption { font-family: var(--font-sans); font-size: 13px; color: var(--color-gray-mid); }
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 8px;
}

/* Botón de "play" reutilizado en los testimonios y en la página de gracias */
.play-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--color-steel);
  display: flex;
  align-items: center;
  justify-content: center;
}
.play-button.small { width: 40px; height: 40px; }
.play-icon {
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid var(--color-steel);
  margin-left: 4px;
}
.play-icon.small {
  border-top-width: 7px;
  border-bottom-width: 7px;
  border-left-width: 11px;
  margin-left: 3px;
}

/* Testimonios */
.section-head {
  max-width: 960px;
  margin: 0 auto 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.section-head-text { max-width: 620px; display: flex; flex-direction: column; gap: 16px; }
.divider { width: 80px; height: 1px; background: var(--color-line); }
.section-intro-text {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-dark);
  margin: 0;
}
.section-cta { display: flex; justify-content: center; margin-top: 64px; }

.arrows { display: flex; gap: 10px; flex-shrink: 0; }
.arrow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-navy);
  background: transparent;
  color: var(--color-navy);
  font-family: var(--font-sans);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.arrow-btn:hover { opacity: 0.7; }

.testimonials-grid {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  gap: 24px;
  align-items: stretch;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 32px;
  border-radius: 8px;
  width: 22%;
  cursor: pointer;
  overflow: hidden;
  transition: width 0.45s cubic-bezier(.6,0,.3,1), padding 0.45s ease, opacity 0.4s ease;
}
.testimonial-card.active { width: 56%; padding: 40px 36px; }
.testimonial-card:not(.active) { opacity: 0.82; }
.testimonial-card:not(.active) .testimonial-quote { font-size: 16px; }
.testimonial-card:not(.active) .testimonial-description,
.testimonial-card:not(.active) .testimonial-video-placeholder { display: none; }

.testimonial-card.variant-wide { background: var(--color-navy); }
.testimonial-card.variant-light { background: var(--color-cream); }
.testimonial-card.variant-accent { background: color-mix(in srgb, var(--color-steel) 18%, var(--color-sand)); }

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.3;
  transition: font-size 0.4s ease;
}
.testimonial-card.variant-wide .testimonial-quote { color: var(--color-cream); }
.testimonial-card.variant-light .testimonial-quote,
.testimonial-card.variant-accent .testimonial-quote { color: var(--color-navy); }

.testimonial-video-placeholder {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 9/16;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.testimonial-card.variant-wide .testimonial-video-placeholder { background: color-mix(in srgb, var(--color-cream) 14%, var(--color-navy)); }
.testimonial-card.variant-light .testimonial-video-placeholder,
.testimonial-card.variant-accent .testimonial-video-placeholder { background: var(--color-taupe); }

.testimonial-description { font-family: var(--font-sans); font-size: 15px; line-height: 1.6; margin: 0; }
.testimonial-card.variant-wide .testimonial-description { color: color-mix(in srgb, var(--color-cream) 85%, transparent); }
.testimonial-card.variant-light .testimonial-description,
.testimonial-card.variant-accent .testimonial-description { color: var(--color-gray-dark); }

.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.testimonial-name { font-family: var(--font-sans); font-size: 14px; font-weight: 600; color: var(--color-ink); }
.testimonial-context { font-family: var(--font-sans); font-size: 13px; }
.testimonial-card.variant-wide .testimonial-context { color: #B9C6CE; }
.testimonial-card.variant-light .testimonial-context,
.testimonial-card.variant-accent .testimonial-context { color: var(--color-gray-mid); }
.testimonial-card.variant-wide .placeholder-label { color: #E3C592; border-color: #E3C592; }

.testimonial-card:not(.active) .testimonial-author { flex-direction: column; align-items: flex-start; gap: 10px; }
.testimonial-card:not(.active) .testimonial-avatar { width: 36px; height: 36px; }

@media (max-width: 899px) {
  .section-head { flex-direction: column; align-items: flex-start; }
  .arrows { display: none; }
  .testimonials-grid { flex-direction: column; }
  .testimonial-card,
  .testimonial-card.active { width: 100%; padding: 32px; }
  .testimonial-card { align-items: center; text-align: center; }
  .testimonial-card:not(.active) { opacity: 1; }
  .testimonial-card:not(.active) .testimonial-quote { font-size: 21px; }
  .testimonial-card:not(.active) .testimonial-description,
  .testimonial-card:not(.active) .testimonial-video-placeholder { display: flex; }
  .testimonial-author,
  .testimonial-card:not(.active) .testimonial-author { flex-direction: column; align-items: center; }
  .testimonial-avatar,
  .testimonial-card:not(.active) .testimonial-avatar { width: 48px; height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  .testimonial-card { transition: none; }
}

/* Etiqueta interna visible sobre contenido pendiente de reemplazar */
.placeholder-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-placeholder-text);
  border: 1px dashed var(--color-placeholder-text);
  border-radius: 4px;
  padding: 4px 10px;
  display: inline-block;
}

/* Placeholders de foto */
.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 8px;
  border: 1.5px dashed var(--color-line);
  background: var(--color-taupe);
  color: var(--color-gray-mid);
  font-family: var(--font-sans);
  font-size: 12px;
}
.photo-placeholder svg { opacity: 0.5; flex-shrink: 0; }
.photo-placeholder.circle { border-radius: 50%; }
.photo-placeholder.rounded { border-radius: 8px; }

/* Método */
.section-heading-group { max-width: 680px; margin: 0 auto 64px; text-align: center; }
.section-heading-group .heading-display { margin: 0 0 16px; }
.section-heading-sub { font-family: var(--font-sans); font-size: 17px; color: var(--color-gray-mid); margin: 0; line-height: 1.6; }

.program-intro { max-width: 680px; margin: 0 auto 88px; text-align: center; }
.program-intro .heading-display { margin: 0 0 16px; }

/* Cascada de pasos */
.cascade { position: relative; height: 640px; max-width: 780px; margin: 0 auto 80px; }
.cascade-card {
  position: absolute;
  width: 420px;
  border-radius: 10px;
  padding: 26px 26px 26px 64px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 8px 28px rgba(44,44,44,0.08);
}
.cascade-card.s0 { top: 0; left: 0; background: var(--color-navy); color: var(--color-cream); }
.cascade-card.s1 { top: 230px; left: 170px; background: var(--color-white); color: var(--color-ink); }
.cascade-card.s2 { top: 440px; left: 340px; background: color-mix(in srgb, var(--color-steel) 18%, var(--color-sand)); color: var(--color-ink); }
.cascade-tab {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 40px;
  border-radius: 10px 0 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cascade-card.s0 .cascade-tab { background: color-mix(in srgb, var(--color-cream) 16%, var(--color-navy)); }
.cascade-card.s1 .cascade-tab { background: var(--color-taupe); }
.cascade-card.s2 .cascade-tab { background: color-mix(in srgb, var(--color-steel) 30%, var(--color-sand)); }
.cascade-tab span { writing-mode: vertical-rl; transform: rotate(180deg); font-family: var(--font-display); font-size: 20px; letter-spacing: 0.05em; }
.cascade-card.s0 .cascade-tab span { color: color-mix(in srgb, var(--color-cream) 55%, transparent); }
.cascade-card.s1 .cascade-tab span, .cascade-card.s2 .cascade-tab span { color: var(--color-gray-mid); }
.cascade-name { font-family: var(--font-sans); font-weight: 700; font-size: 15px; letter-spacing: 0.02em; }
.cascade-desc { font-family: var(--font-sans); font-size: 13.5px; line-height: 1.6; margin: 0; }
.cascade-card.s0 .cascade-desc { color: color-mix(in srgb, var(--color-cream) 85%, transparent); }
.cascade-card.s1 .cascade-desc, .cascade-card.s2 .cascade-desc { color: var(--color-gray-dark); }

.connector { position: absolute; }
.connector.v { border-left: 2px dashed var(--color-steel); width: 0; }
.connector.h { border-top: 2px dashed var(--color-steel); height: 0; }
.c1v { top: 186px; left: 20px; height: 44px; }
.c1h { top: 230px; left: 20px; width: 150px; }
.c2v { top: 416px; left: 190px; height: 24px; }
.c2h { top: 440px; left: 190px; width: 150px; }

@media (max-width: 899px) {
  .cascade { height: auto; max-width: none; display: flex; flex-direction: column; gap: 20px; }
  .cascade-card,
  .cascade-card.s0,
  .cascade-card.s1,
  .cascade-card.s2 { position: relative; top: auto; left: auto; width: 100%; }
  .connector { display: none; }
}

/* Qué incluye */
.kit-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-steel);
  text-align: center;
  margin: 0 0 28px;
}
.kit-strip {
  max-width: 900px;
  margin: 0 auto 56px;
  border-top: 1px solid var(--color-line);
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.kit-item .kit-title { font-family: var(--font-sans); font-size: 14px; font-weight: 700; color: var(--color-navy); margin-bottom: 8px; }
.kit-item .kit-desc { font-family: var(--font-sans); font-size: 12.5px; line-height: 1.55; color: var(--color-gray-mid); margin: 0; }
@media (max-width: 899px) {
  .kit-strip { grid-template-columns: repeat(2, 1fr); }
}

.section-cta-center { display: flex; justify-content: center; }

/* Historia */
.historia-intro { max-width: 680px; margin: 0 auto 16px; text-align: center; }
.historia-lead { max-width: 640px; margin: 0 auto 80px; text-align: center; display: flex; flex-direction: column; gap: 16px; }
.historia-lead p { font-family: var(--font-sans); font-size: 18px; color: var(--color-steel); line-height: 1.65; margin: 0; }
.historia-entries { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 72px; }
.historia-text-block { max-width: 640px; margin: 0 auto; text-align: center; }
.historia-text-block .historia-text { color: var(--color-body-text-strong); }
.historia-entry { display: flex; flex-direction: column; gap: 24px; }
.historia-entry .historia-text { flex: 1; }
.historia-photo { width: 100%; aspect-ratio: 4/3; }
.historia-text { font-family: var(--font-sans); font-size: 16px; line-height: 1.8; color: var(--color-body-text-strong); margin: 0; }
.historia-cierre {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.15rem + 1.2vw, 1.875rem);
  line-height: 1.35;
  text-align: center;
  color: var(--color-navy);
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .historia-entry { flex-direction: row; align-items: center; gap: 64px; }
  .historia-entry.reverse { flex-direction: row-reverse; }
  .historia-photo { flex: 0 0 42%; }
}
.credentials-byline {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray-soft);
  text-align: center;
  max-width: 640px;
  margin: 56px auto 0;
}

/* Agenda */
.agenda-intro { max-width: 640px; margin: 0 auto 56px; text-align: center; display: flex; flex-direction: column; gap: 16px; }
.agenda-intro .heading-display { margin: 0; }
.agenda-text { font-family: var(--font-sans); font-size: 16px; color: var(--color-gray-dark); margin: 0; line-height: 1.65; }

.calendar-embed { max-width: 720px; margin: 0 auto; }
.calendly-inline-widget { min-width: 320px; height: 700px; }
.agenda-question { text-align: center; margin-top: 40px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.agenda-question p { font-family: var(--font-sans); font-size: 14px; color: var(--color-gray-mid); margin: 0; }

/* CTA secundario / WhatsApp */
.whatsapp-link {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-steel);
  border-bottom: 1px solid var(--color-steel);
  padding-bottom: 2px;
}

/* FAQ */
.faq-list { max-width: 680px; margin: 0 auto; }
.faq-list .heading-display { margin: 0 0 56px; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  text-align: left;
  min-height: 44px;
}
.faq-question-text { font-family: var(--font-sans); font-size: 17px; font-weight: 600; color: var(--color-ink); }
.faq-symbol { font-family: var(--font-sans); font-size: 20px; color: var(--color-steel); flex-shrink: 0; }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height 0.3s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { font-family: var(--font-sans); font-size: 15px; line-height: 1.7; color: var(--color-gray-dark); margin: 0 0 24px; }
.faq-cta-row { display: flex; justify-content: center; align-items: center; gap: 28px; margin-top: 64px; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--color-navy); color: var(--color-cream); padding: 56px 24px 32px; }
.footer-inner { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; }
.footer-logo { font-family: var(--font-display); font-size: 20px; }
.footer-links { display: flex; gap: 28px; font-size: 14px; font-family: var(--font-sans); flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--color-cream); }
.footer-copy { font-family: var(--font-sans); font-size: 12px; color: color-mix(in srgb, var(--color-cream) 60%, transparent); margin-top: 12px; }

/* Página de gracias */
.gracias-hero { padding-top: 160px; }
.gracias-eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-steel);
  text-align: center;
  margin: 0 0 20px;
}
.gracias-text { max-width: 560px; margin: 24px auto 0; text-align: center; }
.gracias-text p { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--color-gray-dark); margin: 0 0 16px; }
.gracias-video-card {
  max-width: 700px;
  margin: 56px auto 0;
  aspect-ratio: 16/9;
  background: var(--color-taupe);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
}
.gracias-steps { max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; gap: 4px; }
.gracias-steps li {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-body-text-strong);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
  list-style: none;
  padding-left: 20px;
  position: relative;
}
.gracias-steps li::before { content: "—"; position: absolute; left: 0; color: var(--color-steel); }
.gracias-steps li:last-child { border-bottom: none; }
.gracias-cta-row { display: flex; flex-direction: column; align-items: center; gap: 18px; margin-top: 56px; }

/* Animación de aparición al hacer scroll (activada por js/script.js) */
[data-fade] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
[data-fade].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-fade] {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .nav, .cta-button, .faq-answer {
    transition: none;
  }
}