:root {
  --white: #ffffff;
  --sand: #F1E9D3;
  --sand-2: #eee5d8;
  --sepia-dark: #916a4c;
  --sepia: #5C3610;
  --ink: #3f3a35;
  --muted: #756e67;
  --line: #ded5ca;
  --shadow: 0 14px 40px rgba(70, 52, 36, .08);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(222,213,202,.75);
}
.nav-wrap {
  min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.brand-text { font-weight: 700; color: var(--sepia-dark); letter-spacing: -.02em; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.main-nav a { color: #5d574f; padding: 27px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--sepia); border-color: var(--sepia-dark); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 2px; background: var(--sepia); margin: 5px; }

.hero {
  position: relative; min-height: 680px; display: grid; align-items: center;
  overflow: hidden; background: var(--white);
}
.hero-media {
  position: absolute; inset: 0 0 0 44%;
  background:
    linear-gradient(90deg, #fff 0%, rgba(255,255,255,.78) 16%, rgba(255,255,255,0) 55%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(112,80,57,.12)),
    url("https://images.unsplash.com/photo-1500534623283-312aade485b7?auto=format&fit=crop&w=1800&q=85") center/cover;
}
.hero-content { position: relative; z-index: 1; padding: 110px 0; max-width: 640px; margin-left: max(20px, calc((100vw - var(--max))/2)); }
.eyebrow, .section-kicker {
  margin: 0 0 18px; font-size: 11px; letter-spacing: .27em; color: var(--sepia);
  font-weight: 700;
}
h1, h2, h3 { margin: 0; color: var(--sepia); line-height: 1.12; }
h1 { font-size: clamp(54px, 7vw, 88px); letter-spacing: -.055em; }
h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -.035em; }
h3 { font-size: 18px; }
.hero-lead { max-width: 570px; margin: 24px 0 30px; font-size: 18px; color: #5d5750; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; }
.button {
  display: inline-flex; justify-content: center; align-items: center; min-height: 48px;
  padding: 11px 24px; border-radius: 999px; border: 1px solid var(--sepia);
  font-weight: 700; font-size: 14px; transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(112,80,57,.12); }
.button-primary { background: var(--sepia); color: var(--white); }
.button-primary:hover { background: var(--sepia-dark); }
.button-secondary { background: var(--white); color: var(--sepia-dark); }

.section { padding: 100px 0; }
.section-white { background: var(--white); }
.section-soft { background: var(--sand); }
.two-col { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: center; }
.intro-grid p:not(.section-kicker) { max-width: 660px; font-size: 18px; color: var(--muted); }
.quote-card {
  padding: 30px 36px; border-left: 1px solid var(--sepia);
  text-transform: uppercase; letter-spacing: .24em; color: var(--sepia);
  font-size: 12px; font-weight: 700;
}
.quote-mark { font-size: 26px; display: block; margin-bottom: 12px; }
.section-heading { margin-bottom: 42px; max-width: 720px; }
.section-heading > p:last-child { color: var(--muted); margin: 18px 0 0; }

.lessons { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.lesson-card { background: rgba(255,255,255,.74); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.lesson-toggle {
  width: 100%; border: 0; background: transparent; padding: 28px 18px 24px;
  display: flex; flex-direction: column; align-items: center; text-align: center; color: var(--ink);
}
.lesson-toggle:hover { background: rgba(255,255,255,.65); }
.lesson-number { color: var(--sepia); font-weight: 800; font-size: 19px; margin-bottom: 12px; }
.lesson-title { font-weight: 700; color: var(--sepia); min-height: 50px; }
.lesson-ref { font-size: 12px; color: var(--muted); margin-top: 8px; }
.lesson-plus { color: var(--sepia); font-size: 22px; margin-top: 10px; transition: transform .2s; }
.lesson-card.open .lesson-plus { transform: rotate(45deg); }
.lesson-body {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease;
}
.lesson-card.open .lesson-body { grid-template-rows: 1fr; }
.lesson-body > * { overflow: hidden; }
.lesson-body { padding-inline: 20px; }
.lesson-card.open .lesson-body { padding-bottom: 24px; }
.lesson-body .verse { color: var(--sepia-dark); font-style: italic; font-size: 14px; }
.lesson-body ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); font-size: 14px; }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { padding: 0 24px; border-right: 1px solid var(--line); }
.step:first-child { padding-left: 0; }
.step:last-child { border-right: 0; }
.step-number {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  border-radius: 50%; background: var(--sand-2); color: var(--sepia-dark); font-weight: 800; margin-bottom: 18px;
}
.step p { color: var(--muted); font-size: 14px; }

.registration-section { padding: 0; background: var(--sand); }
.registration-grid { display: grid; grid-template-columns: .72fr 1.28fr; }
.registration-image {
  min-height: 760px;
  background:
    linear-gradient(180deg, rgba(112,80,57,.03), rgba(112,80,57,.20)),
    url("https://images.unsplash.com/photo-1500534623283-312aade485b7?auto=format&fit=crop&w=1100&q=85") center/cover;
}
.registration-panel { background: var(--white); padding: 72px clamp(28px, 5vw, 76px); }
.registration-panel h2 { margin-bottom: 10px; }
.muted { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px 16px; margin-top: 30px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full, .cost-box.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 700; color: #5e564e; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: var(--white); color: var(--ink);
  border-radius: 9px; padding: 12px 13px; outline: none;
}
textarea { resize: vertical; min-height: 100px; }
input:focus, select:focus, textarea:focus { border-color: var(--sepia); box-shadow: 0 0 0 3px rgba(145,106,76,.10); }
.checkbox-field label { display: flex; align-items: flex-start; gap: 10px; font-weight: 500; }
.checkbox-field input, .radio-row input { width: auto; margin-top: 5px; accent-color: var(--sepia); }
.radio-row { display: flex; flex-wrap: wrap; gap: 18px; }
.radio-row label { font-weight: 500; }
.cost-box {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 16px 18px; border: 1px solid var(--line); background: var(--sand); border-radius: 12px;
}
.cost-box span { color: var(--muted); }
.cost-box strong { color: var(--sepia); font-size: 22px; }
.submit-button { width: 100%; border: 0; }
.form-message { min-height: 24px; margin: 8px 0 0; font-size: 13px; color: var(--sepia-dark); }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.contact-grid > div p:not(.section-kicker) { color: var(--muted); max-width: 500px; font-size: 18px; }
.contact-form { display: grid; gap: 17px; }

.closing-cta {
  position: relative; min-height: 430px; display: grid; place-items: center; text-align: center;
  background:
    linear-gradient(rgba(255,255,255,.54), rgba(255,255,255,.54)),
    url("https://images.unsplash.com/photo-1500534623283-312aade485b7?auto=format&fit=crop&w=1800&q=85") center/cover;
}
.closing-content { position: relative; z-index: 1; }
.closing-content h2 { font-size: clamp(38px, 5vw, 60px); }
.closing-content > p:not(.section-kicker) { color: #554c44; font-size: 18px; margin: 12px 0 24px; }

.site-footer { padding: 25px 0; background: var(--sepia); color: #f8f4ee; font-size: 13px; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 1050px) {
  .lessons { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .step:nth-child(2), .step:nth-child(4) { border-right: 0; }
  .step:nth-child(3) { padding-left: 0; }
}
@media (max-width: 800px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .nav-wrap { min-height: 70px; }
  .brand-text { display: none; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute; top: 70px; left: 0; right: 0; display: none;
    padding: 10px 16px 18px; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 4px; }
  .hero { min-height: 720px; align-items: end; }
  .hero-media { inset: 0; opacity: .45; }
  .hero-content { margin-left: auto; padding: 100px 0 70px; }
  .hero-lead { font-size: 16px; }
  .two-col, .contact-grid, .registration-grid { grid-template-columns: 1fr; gap: 45px; }
  .section { padding: 76px 0; }
  .quote-card { padding-left: 24px; }
  .lessons { grid-template-columns: 1fr; }
  .lesson-toggle { display: grid; grid-template-columns: 50px 1fr 90px 28px; align-items: center; text-align: left; gap: 10px; padding: 18px; }
  .lesson-number { margin: 0; }
  .lesson-title { min-height: 0; }
  .lesson-ref { margin: 0; }
  .lesson-plus { margin: 0; text-align: center; }
  .registration-image { min-height: 300px; }
  .registration-panel { padding: 58px 22px; }
  .contact-grid { gap: 35px; }
}
@media (max-width: 560px) {
  h1 { font-size: 52px; }
  .button-row { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full, .cost-box.full { grid-column: auto; }
  .steps { grid-template-columns: 1fr; }
  .step, .step:nth-child(2), .step:nth-child(4) { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 25px; }
  .step:last-child { border-bottom: 0; }
  .footer-wrap { flex-direction: column; }
}


.form-success {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f4efe7;
  border: 1px solid #d9c8b4;
  color: #5f4b3b;
  font-weight: 600;
}
.form-error {
  margin-top: .75rem;
  color: #8a3d32;
}


.lesson-card { display: flex; flex-direction: column; }
.lesson-image { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; display: block; }
.lesson-toggle { display: grid; grid-template-columns: 38px 1fr 28px; align-items: start; text-align: left; gap: 12px; padding: 18px 18px 14px; width: 100%; }
.lesson-number { margin: 2px 0 0; }
.lesson-title-wrap { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.lesson-title { min-height: 0; }
.lesson-verse { color: var(--sepia-dark); font-style: italic; font-size: 12px; line-height: 1.5; font-weight: 400; }
.lesson-ref { margin-top: 1px; }
.lesson-plus { margin: 2px 0 0; text-align: center; }
.lesson-body { padding: 0 18px; }
.lesson-card.open .lesson-body { padding-bottom: 18px; }
.lesson-body ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 12.5px; line-height: 1.65; }
@media (max-width: 760px) {
  .lesson-image { aspect-ratio: 4 / 3; }
  .lesson-toggle { grid-template-columns: 42px 1fr 28px; }
}


.lesson-card { display: flex; flex-direction: column; }
.lesson-image { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; display: block; }
.lesson-toggle {
  width: 100%; border: 0; background: transparent; padding: 22px 20px 14px;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0; color: var(--ink);
}
.lesson-toggle:hover { background: rgba(255,255,255,.45); }
.lesson-title { display: block; min-height: 0; color: var(--sepia-dark); font-size: 18px; line-height: 1.25; font-weight: 700; }
.lesson-verse { display: block; margin-top: 9px; color: var(--sepia-dark); font-style: italic; font-size: 12.5px; line-height: 1.5; font-weight: 400; }
.lesson-ref { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.3; }
.lesson-plus { display: inline-grid; place-items: center; width: 28px; height: 28px; margin-top: 10px; color: var(--sepia); font-size: 21px; line-height: 1; transition: transform .2s ease; }
.lesson-card.open .lesson-plus { transform: rotate(45deg); }
.lesson-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 20px; }
.lesson-card.open .lesson-body { max-height: 600px; padding-bottom: 20px; }
.lesson-divider { height: 1px; background: var(--line); margin: 0 0 16px; width: 100%; }
.lesson-body ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 12.5px; line-height: 1.65; text-align: left; }
@media (max-width: 800px) {
  .lesson-toggle { display: flex; grid-template-columns: none; align-items: center; text-align: center; gap: 0; padding: 20px 18px 13px; }
  .lesson-number { display: none; }
  .lesson-title { font-size: 18px; }
  .lesson-ref { margin-top: 8px; }
  .lesson-plus { margin-top: 10px; text-align: center; }
  .lesson-body { padding-inline: 18px; }
}


/* Información de inversión dentro del formulario de registro */
.program-includes {
  grid-column: 1 / -1;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--sand);
}
.program-includes h3 {
  margin: 0 0 12px;
  font-size: 18px;
}
.program-includes p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.program-includes p strong {
  color: var(--sepia);
}