/* ==========================================================================
   IBPLD Course landings — shared shell (reusable for /curso/*)
   ========================================================================== */

:root {
  --course-paper: #F5F3EE;
  --course-ink: #161719;
  --course-graphite: #17191D;
  --course-wine: #4C0911;
  --course-champagne: #C8B69A;
  --course-muted: rgba(22, 23, 25, 0.62);
  --course-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.course-body {
  background: var(--course-paper);
  color: var(--course-ink);
  padding-bottom: 0;
}

.course-body.has-sticky-cta {
  padding-bottom: 4.5rem;
}

@media (min-width: 768px) {
  .course-body.has-sticky-cta {
    padding-bottom: 0;
  }
}

/* Masthead course tweaks */
.course-mast__bar {
  gap: 0.75rem;
}

.course-mast__cta {
  min-height: 2.5rem;
  padding-inline: 1rem;
  font-size: 0.8125rem;
  white-space: nowrap;
}

.course-mast__cta--compact {
  min-height: 2.25rem;
  padding-inline: 0.75rem;
  font-size: 0.75rem;
}

.course-mast__aside {
  display: none;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}

.course-mast__mobile-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
}

.course-mast__nav {
  display: none;
}

@media (min-width: 1100px) {
  .course-mast__nav {
    display: block;
    margin-left: 1.5rem;
  }

  .course-mast__aside {
    display: inline-flex;
  }

  .course-mast__mobile-tools {
    display: none !important;
  }
}

.course-drawer .course-mast__cta {
  margin-top: 0.75rem;
  width: 100%;
  justify-content: center;
}

.proto-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(23, 25, 29, 0.45);
}

.course-drawer {
  z-index: 950;
}

/* Shared section primitives */
.c20-eyebrow,
.course-main .c20-eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7A828A;
}

.c20-section-head {
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
  max-width: 40rem;
}

.c20-section-title {
  margin: 0;
  font-size: clamp(1.65rem, 2.8vw, 2.55rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
  max-width: 18ch;
}

.c20-section-lead {
  margin: 0.9rem 0 0;
  max-width: 58ch;
  color: var(--course-muted);
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  line-height: 1.55;
}

/* Accordion */
.c20-accordion {
  border-top: 1px solid rgba(22, 23, 25, 0.1);
}

.c20-accordion__item {
  border-bottom: 1px solid rgba(22, 23, 25, 0.1);
}

.c20-accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.c20-accordion__btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 1.1rem 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.c20-accordion__btn:focus-visible {
  outline: 2px solid var(--course-wine);
  outline-offset: 3px;
}

.c20-accordion__num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--course-wine);
}

.c20-accordion__label {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.c20-accordion__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.c20-accordion__meta {
  font-size: 0.78rem;
  color: var(--course-muted);
}

.c20-accordion__icon {
  width: 0.7rem;
  height: 0.7rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 200ms ease;
  opacity: 0.55;
}

.c20-accordion__btn[aria-expanded="true"] .c20-accordion__icon {
  transform: rotate(-135deg);
}

.c20-accordion__panel {
  padding: 0 0 1.25rem;
  max-width: 62ch;
  color: var(--course-muted);
  line-height: 1.55;
}

.c20-accordion__panel[hidden] {
  display: none !important;
}

.c20-accordion__prof {
  margin: 0 0 0.45rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--course-ink);
}

/* Footer compact */
.course-foot {
  background: var(--course-paper);
  border-top: 1px solid rgba(22, 23, 25, 0.08);
  padding: clamp(2.25rem, 4vw, 3rem) 0 1.5rem;
}

.course-foot__shell {
  display: grid;
  gap: 1.25rem;
}

.course-foot__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
}

.course-foot__nav a,
.course-foot__social a {
  color: var(--course-ink);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
}

.course-foot__nav a:hover,
.course-foot__social a:hover,
.course-foot__nav a:focus-visible,
.course-foot__social a:focus-visible {
  color: var(--course-wine);
  outline: none;
}

.course-foot__social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.course-foot__copy {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--course-muted);
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 600ms var(--course-ease),
    transform 600ms var(--course-ease);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Buttons on dark */
.button-primary--on-dark {
  background: #F7F6F2;
  color: var(--course-wine);
  border-color: #F7F6F2;
}

.button-primary--on-dark:hover,
.button-primary--on-dark:focus-visible {
  background: #fff;
  color: var(--course-wine);
}

/* Pricing hierarchy — installment first (shared offer/sticky/final) */
.course-price {
  display: grid;
  gap: 0.35rem;
  margin: 0.35rem 0 0;
}

.course-price__install {
  margin: 0;
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: #F7F6F2;
}

.course-price__cash {
  margin: 0.15rem 0 0;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: rgba(247, 246, 242, 0.82);
}

.course-price__cash strong {
  font-weight: 700;
  color: #C8B69A;
}

.course-price__meta {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: rgba(247, 246, 242, 0.55);
}

.course-price__meta--soft {
  margin-top: -0.1rem;
  color: rgba(247, 246, 242, 0.45);
}

.course-price__total {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  color: rgba(247, 246, 242, 0.48);
}

.course-price__total span {
  color: rgba(247, 246, 242, 0.62);
}

.course-save-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  margin: 0.35rem 0 0;
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(120, 170, 130, 0.35);
  background: rgba(80, 130, 95, 0.18);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(210, 230, 215, 0.95);
}

.course-save-badge__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #7CBC8A;
  flex: 0 0 auto;
}

.course-cash-note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.4;
  color: rgba(247, 246, 242, 0.62);
}

.course-sticky-price {
  position: relative;
  display: grid;
  gap: 0.1rem;
  text-align: right;
}

.course-sticky-price__install {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--course-ink);
  white-space: nowrap;
}

.course-sticky-price__cash {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--course-muted);
  white-space: nowrap;
}

.course-sticky-price--mobile .course-sticky-price__cash {
  display: block;
  text-align: left;
}