/* ==========================================================================
   TOKENS
   ========================================================================== */
:root {
  --color-bg: #FAF7F1;
  --color-bg-tint: #F1EADD;
  --color-surface: #FFFFFF;
  --color-ink: #221E1A;
  --color-ink-soft: #5B554D;
  --color-ink-faint: #6E6858;
  --color-border: #E4DBC9;
  --color-accent: #7C3B2A;
  --color-accent-dark: #5E2B1E;
  --color-accent-tint: #F3E4DC;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-max: 1120px;
  --container-narrow: 720px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --shadow-soft: 0 2px 16px rgba(34, 30, 26, 0.06);
}

/* ==========================================================================
   RESET
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; margin: 0; color: var(--color-ink); }
p { margin: 0; }
dl, dt, dd { margin: 0; padding: 0; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

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

/* ==========================================================================
   LAYOUT HELPERS
   ========================================================================== */
.section {
  padding: 4.5rem 1.5rem;
}
.section-tinted { background: var(--color-bg-tint); }
.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}
.section-narrow {
  max-width: var(--container-narrow);
}
.section-center { text-align: center; }

.section h2 {
  font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.4rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.section-lead {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  max-width: 46ch;
  margin: 0 auto 2.25rem;
}
.body-text {
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  max-width: 65ch;
}
.body-text-small {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  min-height: 48px;
  text-align: center;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
.btn-secondary:hover { background: var(--color-ink); color: #fff; }

.btn-large {
  padding: 1.1rem 2.25rem;
  font-size: 1.05rem;
  width: 100%;
}
@media (min-width: 560px) {
  .btn-large { width: auto; }
}

.btn-block { width: 100%; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 1.5rem 3rem;
}
.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 1.6rem + 2.4vw, 3.4rem);
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 48ch;
  margin-bottom: 0.9rem;
}

.hero-with {
  font-size: 1rem;
  color: var(--color-ink-soft);
  margin-bottom: 1.75rem;
}
.hero-with strong { color: var(--color-ink); font-weight: 600; }

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
  padding: 1.25rem 1.4rem;
  background: var(--color-bg-tint);
  border-radius: var(--radius-md);
  max-width: 420px;
}
.hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.98rem;
  color: var(--color-ink);
}
.hero-meta-icon {
  color: var(--color-accent);
  font-size: 0.55rem;
  transform: translateY(-2px);
}

.hero-meta-dates-list {
  margin-top: 0.5rem;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}
.hero-meta-dates-list li {
  position: relative;
}
.hero-meta-dates-list li::before {
  content: "•";
  position: absolute;
  left: -1rem;
  color: var(--color-accent);
}
.hero-meta-date-num {
  color: var(--color-accent);
  font-weight: 700;
}

.hero-price-block { margin-bottom: 1.5rem; }
.price-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 0.35rem;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 2.75rem;
  color: var(--color-accent);
  font-weight: 500;
}
.price-amount--big { font-size: 3.6rem; }

.hero-photo { display: flex; justify-content: center; }
.photo-frame {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 4 / 5;
  background: var(--color-bg-tint);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}
.photo-frame--round {
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  max-width: 300px;
}
.photo-frame:has(img) {
  border-style: none;
  padding: 0;
  overflow: hidden;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
}
.photo-placeholder-label {
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

/* ==========================================================================
   BENEFITS GRID
   ========================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 640px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .benefits-grid { grid-template-columns: repeat(5, 1fr); gap: 0.75rem; }
}
.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.4rem;
  font-size: 1rem;
  color: var(--color-ink);
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
@media (min-width: 1000px) {
  .benefit-card { padding: 1.1rem 0.9rem; font-size: 0.82rem; gap: 0.5rem; }
}
.benefit-mark {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1;
  margin-top: 0.15rem;
}
@media (min-width: 1000px) {
  .benefit-mark { font-size: 1.05rem; }
}

/* ==========================================================================
   PROFESORA
   ========================================================================== */
.profesora-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
  max-width: 900px;
}
@media (min-width: 720px) {
  .profesora-layout {
    grid-template-columns: 280px 1fr;
    gap: 3rem;
  }
}
.profesora-photo { display: flex; justify-content: center; }
.profesora-specialty {
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0.35rem 0 1.1rem;
}

/* ==========================================================================
   DATE CARDS (selector interactivo)
   ========================================================================== */
.date-cards {
  border: 0;
  margin: 0 0 1.75rem;
  padding: 0;
}
.date-cards.is-highlighted {
  animation: date-cards-pulse 0.4s ease 2;
}
@keyframes date-cards-pulse {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 0 4px var(--color-accent-tint); border-radius: var(--radius-lg); }
}
.date-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .date-cards-grid { grid-template-columns: repeat(3, 1fr); }
}
.date-card {
  position: relative;
  display: block;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.date-card:hover {
  border-color: var(--color-accent);
}
.date-card:has(.date-card-radio:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-tint);
}
.date-card:has(.date-card-radio:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.date-card-radio {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.date-card-day {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 0.6rem;
}
.date-card-date {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}
.date-card-time {
  display: block;
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 600;
}
.date-note {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  max-width: 56ch;
  margin: 0 auto;
}
.date-cta-wrap {
  margin-top: 2.25rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   INCLUDES LIST
   ========================================================================== */
.includes-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.includes-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.05rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.includes-list li:last-child { border-bottom: none; padding-bottom: 0; }
.includes-check {
  color: var(--color-accent);
  font-weight: 700;
  margin-top: 0.15rem;
}
.includes-material {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--color-border);
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

/* ==========================================================================
   PRECIO SECTION
   ========================================================================== */
.section-price {
  background: var(--color-accent-tint);
}
.price-deadline {
  color: var(--color-ink-soft);
  font-size: 1rem;
  margin: 1rem 0 2rem;
}

/* ==========================================================================
   PAGO
   ========================================================================== */
.payment-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 680px) {
  .payment-options { grid-template-columns: 1fr 1fr; align-items: start; }
}
.payment-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}
.payment-card--recommended {
  border-color: var(--color-accent);
  background: var(--color-accent-tint);
}
.payment-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.payment-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.payment-badge--alt {
  color: var(--color-ink-soft);
  background: var(--color-bg-tint);
}

.selected-date-banner,
.payment-status-banner {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  background: var(--color-bg-tint);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.75rem;
}
.selected-date-banner a,
.payment-status-banner a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.selected-date-banner.is-confirmed,
.payment-status-banner.is-confirmed {
  color: var(--color-ink);
  background: var(--color-accent-tint);
  border-color: var(--color-accent);
}

.payment-options.is-highlighted {
  animation: date-cards-pulse 0.4s ease 2;
}

.registro-confirmation h2 { margin-bottom: 0.9rem; }
.registro-confirmation .body-text-small { margin-bottom: 1.5rem; }

.disclosure-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  text-align: left;
}
.disclosure-trigger-text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}
.disclosure-hint {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-accent);
}
.disclosure-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
  line-height: 1;
}
.disclosure-trigger[aria-expanded="true"] .disclosure-icon { transform: rotate(45deg); }

.disclosure-panel {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--color-border);
}

.deuna-qr-block {
  text-align: center;
  margin-bottom: 1.5rem;
}
.deuna-qr-img {
  width: 168px;
  height: 168px;
  max-width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 0 auto 0.9rem;
}
.deuna-qr-block .body-text-small {
  margin-bottom: 0;
}

.bank-details-label {
  font-size: 0.9rem;
  color: var(--color-ink-faint);
  text-align: center;
  margin-bottom: 1rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--color-border);
}

.payment-org-note {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
}
.payment-org-subnote {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-ink-faint);
  margin-top: 0.3rem;
}

.bank-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.bank-details > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--color-border);
}
.bank-details dt { color: var(--color-ink-faint); }
.bank-details dd { font-weight: 600; text-align: right; }

.copy-feedback {
  margin-top: 0.65rem;
  font-size: 0.9rem;
  color: var(--color-accent);
  min-height: 1.2em;
  text-align: center;
}

.link-pending-note {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  text-align: center;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0.1rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 500;
}
.faq-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
  line-height: 1;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 0.1rem 1.3rem;
  color: var(--color-ink-soft);
  font-size: 1rem;
  max-width: 60ch;
}

/* ==========================================================================
   CIERRE
   ========================================================================== */
.section-closing {
  background: var(--color-ink);
  color: #fff;
}
.section-closing h2 { color: #fff; }
.section-closing .closing-meta {
  color: #D8D2C7;
  font-size: 1rem;
  margin: 0.75rem 0 1.5rem;
}
.section-closing .price-amount { color: #fff; margin-bottom: 1.75rem; }
.section-closing .btn-primary { background: #fff; color: var(--color-ink); }
.section-closing .btn-primary:hover { background: var(--color-bg-tint); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 2.25rem 1.5rem 6.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-ink-faint);
  background: var(--color-bg);
}
.site-footer a { color: var(--color-ink-soft); text-decoration: underline; text-underline-offset: 2px; }

@media (min-width: 640px) {
  .site-footer { padding-bottom: 2.5rem; }
}

/* ==========================================================================
   MOBILE STICKY CTA
   ========================================================================== */
.mobile-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 500;
  background: var(--color-ink);
  padding: 0.65rem 1rem;
  padding-bottom: calc(0.65rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}
.mobile-sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.6rem;
  border-radius: var(--radius-sm);
}
.mobile-cta-price { color: var(--color-accent-tint); font-family: var(--font-display); font-size: 1.15rem; }
.mobile-cta-sep { color: #8C8578; }

@media (min-width: 900px) {
  .mobile-sticky-cta { display: none; }
}