:root {
  --qie-primary: #00a8cc;
  --qie-primary-dark: #006a83;
  --qie-primary-soft: #e6f8fb;
  --qie-accent: #24d6a1;
  --qie-ink: #0f172a;
  --qie-muted: #64748b;
  --qie-soft: #f5f9fb;
  --qie-white: #ffffff;
  --qie-line: rgba(15, 23, 42, 0.1);
  --qie-shadow: 0 24px 70px rgba(12, 44, 58, 0.16);
  --qie-shadow-soft: 0 16px 42px rgba(12, 44, 58, 0.11);
  --sidebar-width: 310px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--qie-ink);
  background: #f8fbfd;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.cart-open {
  overflow: hidden;
}

img, svg { max-width: 100%; height: auto; }
button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 3px solid rgba(0, 168, 204, 0.42);
  outline-offset: 3px;
}

#wrapper {
  min-height: 100vh;
  transition: margin-left 0.25s ease;
}

body:not(.intro-active):not(.sidebar-collapsed) #wrapper {
  margin-left: var(--sidebar-width);
}

.inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.wrapper {
  position: relative;
  padding: 86px 0;
  scroll-margin-top: 24px;
}

.wrapper.style1 {
  min-height: 100svh;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 16% 18%, rgba(36, 214, 161, 0.22), transparent 32%),
    radial-gradient(circle at 86% 14%, rgba(0, 168, 204, 0.28), transparent 36%),
    linear-gradient(135deg, #072c38 0%, #075168 44%, #00a8cc 100%);
}

.wrapper.style2 {
  background:
    radial-gradient(circle at top right, rgba(0, 168, 204, 0.08), transparent 34%),
    linear-gradient(180deg, #f6fbfd 0%, #ffffff 100%);
}

.wrapper.style2:nth-of-type(even) {
  background: #ffffff;
}

.wrapper.style3 {
  background:
    radial-gradient(circle at 20% 20%, rgba(36, 214, 161, 0.12), transparent 34%),
    linear-gradient(135deg, #effafd 0%, #ffffff 100%);
}

/* Header actions */
#mobile-toggle,
#cart-bubble {
  position: fixed;
  z-index: 80;
  border: 0;
  cursor: pointer;
  box-shadow: 0 14px 38px rgba(4, 30, 43, 0.18);
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

#mobile-toggle:hover,
#cart-bubble:hover { transform: translateY(-2px); }

#mobile-toggle {
  top: calc(16px + var(--safe-top));
  left: calc(var(--sidebar-width) + 18px);
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--qie-white);
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  font-size: 1.35rem;
}

#cart-bubble {
  top: calc(16px + var(--safe-top));
  right: 18px;
  min-height: 50px;
  padding: 0 13px 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #07313d;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.68);
}

.cart-icon { font-size: 1.15rem; }
.cart-label { font-weight: 800; font-size: 0.9rem; }
#cart-count {
  min-width: 25px;
  height: 25px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--qie-white);
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-accent));
  font-size: 0.78rem;
  font-weight: 900;
}

body.intro-active #mobile-toggle {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

body.sidebar-collapsed #mobile-toggle {
  left: 16px;
}

body.sidebar-collapsed #sidebar {
  transform: translateX(-104%);
  opacity: 0;
  pointer-events: none;
}

/* Sidebar */
#sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 75;
  width: var(--sidebar-width);
  height: 100dvh;
  padding: calc(18px + var(--safe-top)) 16px calc(18px + var(--safe-bottom));
  color: #dff8ff;
  background:
    radial-gradient(circle at 16% 18%, rgba(36, 214, 161, 0.22), transparent 32%),
    radial-gradient(circle at 86% 14%, rgba(0, 168, 204, 0.28), transparent 36%),
    linear-gradient(135deg, #072c38 0%, #075168 44%, #00a8cc 100%);
  box-shadow: 20px 0 60px rgba(6, 25, 33, 0.25);
  overflow: hidden;
  transform: translateX(0);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

body.intro-active #sidebar {
  transform: translateX(-104%);
  opacity: 0;
  pointer-events: none;
}

#sidebar .inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}

.sidebar-brand {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 22px;
  color: var(--qie-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.brand-logo {
  width: 64px;
  height: 48px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  padding: 6px;
}

.sidebar-brand span {
  font-size: 0.83rem;
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.sidebar-brand strong {
  display: block;
  margin-top: 2px;
  color: var(--qie-white);
  font-size: 1.05rem;
  letter-spacing: 0;
}

#sidebar nav {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  padding: 4px 3px 18px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.32) transparent;
}

#sidebar nav::-webkit-scrollbar,
#cart-items::-webkit-scrollbar,
#cart-panel::-webkit-scrollbar { width: 8px; }
#sidebar nav::-webkit-scrollbar-thumb,
#cart-items::-webkit-scrollbar-thumb,
#cart-panel::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.22);
  border-radius: 999px;
}

.main-nav,
.nav-submenu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav > li { margin: 6px 0; }

.main-nav a,
.nav-section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 0;
  border-radius: 16px;
  padding: 11px 12px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-weight: 800;
  font-size: 0.9rem;
  line-height: 1.25;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.main-nav a:hover,
.nav-section-toggle:hover,
.main-nav a.active {
  color: var(--qie-white);
  background: rgba(255, 255, 255, 0.11);
}

.nav-section-toggle::after {
  content: "▾";
  flex: 0 0 auto;
  font-size: 0.7rem;
  transform: rotate(-90deg);
  transition: transform 0.18s ease;
  opacity: 0.8;
}

.nav-section-group.open > .nav-section-toggle::after { transform: rotate(0deg); }

.nav-submenu {
  display: none;
  margin: 5px 0 7px 10px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.nav-section-group.open > .nav-submenu { display: block; }

.nav-course-groups { margin-left: 0; padding-left: 0; border-left: 0; }

.nav-course-list a {
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 0.79rem;
  font-weight: 650;
  color: rgba(255, 255, 255, 0.68);
}

.nav-course-list a:hover { color: #fff; }

.nav-section-group.nested > .nav-section-toggle {
  font-size: 0.82rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.055);
}

/* Hero */
.intro-touch-zone {
  min-height: 100svh;
  display: block;
  color: var(--qie-white);
}

.intro-fullscreen {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: max(86px, calc(54px + var(--safe-top))) 0 max(60px, calc(38px + var(--safe-bottom)));
}

.intro-scene {
  position: relative;
  isolation: isolate;
  min-height: clamp(560px, 78vh, 790px);
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(270px, 0.82fr);
  align-items: center;
  gap: clamp(16px, 5vw, 70px);
  padding: clamp(26px, 5vw, 64px);
  border-radius: clamp(28px, 4vw, 46px);
  overflow: visible;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: 0 30px 100px rgba(0, 25, 38, 0.28);
  backdrop-filter: blur(18px);
}

.intro-scene::before {
  content: "";
  position: absolute;
  inset: 18px;
  z-index: -1;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.intro-scene-glow {
  position: absolute;
  z-index: -2;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.7;
}

.intro-scene-glow-1 { left: -80px; bottom: -90px; background: rgba(36, 214, 161, 0.22); }
.intro-scene-glow-2 { right: -70px; top: -88px; background: rgba(255, 255, 255, 0.16); }

.intro-copy-layer {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.intro-badge,
.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro-badge {
  color: #c8fbff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.intro-copy-layer h1 {
  margin: 22px 0 12px;
  max-width: 760px;
  font-size: clamp(3rem, 8.5vw, 7.6rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  text-wrap: balance;
}

.intro-copy-layer p {
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 700;
}

.intro-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
}

.intro-highlights span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.86rem;
  font-weight: 850;
}

.intro-highlights span::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--qie-accent);
}

.intro-tap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  color: #05303b;
  background: var(--qie-white);
  border-radius: 999px;
  box-shadow: 0 16px 36px rgba(3, 25, 34, 0.18);
  font-weight: 900;
}

.intro-tap::after { content: "→"; font-size: 1.2rem; }

.intro-figure-layer {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: end;
  justify-content: center;
  min-height: 510px;
  overflow: visible;
}

.intro-figure-layer::before {
  content: "";
  position: absolute;
  inset: auto 8% 5% 4%;
  height: 34%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(3, 28, 38, 0.22), transparent 68%);
  filter: blur(8px);
}

.intro-chicchi {
  width: min(38vw, 430px);
  max-height: min(72vh, 680px);
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 30px 38px rgba(0, 20, 30, 0.32));
  transform-origin: 50% 85%;
  animation: chicchiFloat 4.2s ease-in-out infinite;
}

/* Section headers */
.cursos-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px 24px;
  align-items: end;
  margin-bottom: 24px;
}

.section-kicker {
  grid-column: 1 / -1;
  color: var(--qie-primary-dark);
  background: var(--qie-primary-soft);
}

.cursos-header h2 {
  margin: 0;
  max-width: 880px;
  color: var(--qie-ink);
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.group-price-box {
  min-width: min(100%, 286px);
  align-self: stretch;
  padding: 16px 18px;
  border-radius: 22px;
  color: #08303b;
  background: linear-gradient(135deg, #ffffff, #e9fbff);
  border: 1px solid rgba(0, 168, 204, 0.22);
  box-shadow: var(--qie-shadow-soft);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.group-price-box:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 168, 204, 0.45);
  box-shadow: 0 20px 52px rgba(0, 113, 140, 0.16);
}

.group-price-box span {
  display: block;
  color: var(--qie-primary-dark);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.group-price-box strong {
  display: block;
  margin: 6px 0 2px;
  font-size: 1.1rem;
}

.group-price-box small { color: var(--qie-muted); font-weight: 700; }
.group-price-box::after {
  content: "Consultar por WhatsApp";
  display: inline-flex;
  margin-top: 10px;
  color: #038c64;
  font-size: 0.78rem;
  font-weight: 900;
}

/* Filters */
.catalog-filter-panel,
.catalog-tools {
  border: 1px solid var(--qie-line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(10px);
}

.catalog-filter-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 230px);
  gap: 18px;
  align-items: start;
  padding: 18px;
  border-radius: 24px;
  margin: 0 0 14px;
}

.filter-label {
  display: block;
  margin: 0 0 9px;
  color: var(--qie-muted);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.cursos-filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.filtro-btn,
.clear-filters,
.price-sort,
.catalog-search,
.ponente-filter {
  border: 1px solid var(--qie-line);
  border-radius: 999px;
  color: var(--qie-ink);
  background: #fff;
}

.filtro-btn,
.clear-filters {
  cursor: pointer;
  min-height: 38px;
  padding: 8px 13px;
  font-size: 0.84rem;
  font-weight: 850;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.filtro-btn:hover,
.clear-filters:hover { transform: translateY(-1px); border-color: rgba(0, 168, 204, 0.32); }

.filtro-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  border-color: transparent;
}

.filter-block-speaker { min-width: 0; }
.ponente-filter {
  width: 100%;
  min-height: 40px;
  padding: 0 13px;
  font-weight: 750;
}

.filter-combo-note {
  grid-column: 1 / -1;
  margin: -6px 0 0;
  color: var(--qie-muted);
  font-size: 0.9rem;
}

.catalog-tools {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(190px, 230px) auto auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 22px;
  margin: 0 0 26px;
}

.catalog-search,
.price-sort {
  width: 100%;
  min-height: 46px;
  padding: 0 15px;
  font-weight: 720;
}

.catalog-search::placeholder { color: #94a3b8; }

.filter-status {
  color: var(--qie-muted);
  font-size: 0.88rem;
  font-weight: 800;
  text-align: right;
}

.catalog-empty {
  display: none;
  margin: 28px 0 0;
  padding: 22px;
  border-radius: 22px;
  color: var(--qie-muted);
  background: #fff;
  border: 1px dashed rgba(0, 168, 204, 0.35);
  text-align: center;
  font-weight: 800;
}

.catalog-empty.show-empty { display: block; }

/* Cards */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.curso-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.curso-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 168, 204, 0.32);
  box-shadow: 0 24px 62px rgba(15, 23, 42, 0.13);
}

.curso-card.is-hidden { display: none; }

.curso-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--qie-primary), var(--qie-accent));
  z-index: 2;
}

.curso-img {
  position: relative;
  height: 178px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0, 168, 204, 0.18), rgba(36, 214, 161, 0.08)),
    #edf8fb;
}

.curso-speaker-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.03) contrast(1.02);
}

.curso-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  max-width: calc(100% - 28px);
  padding: 7px 11px;
  border-radius: 999px;
  color: #07313d;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.curso-content {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
}

.curso-content h3 {
  margin: 0;
  color: var(--qie-ink);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.curso-content p {
  margin: 0;
  color: var(--qie-muted);
  font-size: 0.9rem;
}

.curso-content p strong {
  color: #334155;
  font-weight: 900;
}

.ponente {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  padding: 7px 10px;
  border-radius: 999px;
  color: #07546a !important;
  background: var(--qie-primary-soft);
  font-weight: 760;
}

.price-box,
.price-box-consult {
  margin-top: auto;
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 20px;
  background: linear-gradient(135deg, #f5fcff, #ffffff);
  border: 1px solid rgba(0, 168, 204, 0.16);
}

.price-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.price-main span,
.price-before span {
  display: block;
  color: var(--qie-muted);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.price-main strong {
  color: var(--qie-primary-dark);
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.price-before {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #94a3b8;
}

.price-before del { font-weight: 850; }

.saving-badge {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  color: #05754e;
  background: rgba(36, 214, 161, 0.14);
  font-size: 0.78rem;
  font-weight: 950;
}

.price-unavailable {
  color: var(--qie-primary-dark);
  font-weight: 900;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  margin-top: 10px;
}

.btn-cart,
.btn-whatsapp-course,
.button,
.whatsapp-main,
#btn-checkout {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 999px;
  padding: 0 16px;
  cursor: pointer;
  font-weight: 950;
  letter-spacing: -0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn-cart,
.button,
#btn-checkout {
  color: #fff;
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  box-shadow: 0 12px 24px rgba(0, 106, 131, 0.18);
}

.btn-whatsapp-course,
.whatsapp-main {
  color: #06382a;
  background: linear-gradient(135deg, #2ee6a7, #13c184);
  box-shadow: 0 12px 24px rgba(19, 193, 132, 0.18);
}

.btn-cart::before { content: "＋"; }
.btn-cart.added::before { content: "✓"; }
.btn-whatsapp-course::before,
.whatsapp-main::before,
#btn-checkout::before { content: "💬"; }

.btn-cart.added {
  background: linear-gradient(135deg, #10b981, #047857);
}

.btn-cart:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-cart:hover,
.btn-whatsapp-course:hover,
.button:hover,
#btn-checkout:hover { transform: translateY(-2px); filter: brightness(1.02); }


/* Course update metadata */
.curso-descripcion {
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.45;
}

.price-box-consult small {
  color: var(--qie-muted);
  font-weight: 800;
}

/* Cart */
#cart-modal {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: flex;
  justify-content: flex-end;
  padding: 18px;
  background: rgba(2, 17, 24, 0.48);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#cart-modal.open {
  opacity: 1;
  pointer-events: auto;
}

#cart-panel {
  position: relative;
  width: min(440px, 100%);
  height: min(100%, calc(100dvh - 36px));
  max-height: calc(100dvh - 36px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border-radius: 28px;
  color: var(--qie-ink);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.22);
  transform: translateX(24px);
  transition: transform 0.22s ease;
  overflow: hidden;
}

#cart-modal.open #cart-panel { transform: translateX(0); }

#btn-close-cart {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 14px;
  color: #0f172a;
  background: #f1f5f9;
  cursor: pointer;
  font-weight: 950;
}

#cart-title {
  margin: 0 44px 0 0;
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.cart-help,
#cart-empty {
  margin: 0;
  color: var(--qie-muted);
  font-weight: 700;
}

#cart-empty {
  padding: 18px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px dashed var(--qie-line);
  text-align: center;
}

#cart-items {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  padding-right: 4px;
}

.cart-item {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 14px;
  margin-bottom: 10px;
  border-radius: 18px;
  background: #f8fbfd;
  border: 1px solid var(--qie-line);
}

.cart-item > strong {
  padding-right: 74px;
  line-height: 1.25;
}

.cart-item span {
  color: var(--qie-muted);
  font-size: 0.86rem;
}

.cart-price-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--qie-primary-dark);
  font-weight: 900;
}

.cart-price-line del,
.cart-price-line small { color: #94a3b8; font-weight: 800; }

.btn-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  min-height: 32px;
  border: 0;
  border-radius: 999px;
  padding: 0 10px;
  color: #9f1239;
  background: #ffe4e6;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
}

.cart-summary {
  display: grid;
  gap: 4px;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--qie-primary-soft), #ffffff);
  border: 1px solid rgba(0, 168, 204, 0.18);
}

.cart-summary span,
.cart-summary small { color: var(--qie-muted); font-weight: 750; }
.cart-summary strong { color: var(--qie-primary-dark); font-size: 1.25rem; }

.cart-payment-box {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr 112px;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(0, 168, 204, 0.18);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.cart-payment-copy {
  display: grid;
  gap: 3px;
}

.cart-payment-copy strong { color: var(--qie-ink); }
.cart-payment-copy span,
#cart-payment-status { color: var(--qie-muted); font-size: 0.84rem; margin: 0; }

#cart-qr {
  width: 112px;
  height: 112px;
  object-fit: contain;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--qie-line);
  padding: 6px;
}

#btn-checkout { width: 100%; min-height: 52px; flex: 0 0 auto; }

/* CTA */
.section-final { padding-bottom: 96px; }
.cta-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 26px;
  align-items: center;
  padding: clamp(24px, 5vw, 44px);
  border-radius: 34px;
  background: #fff;
  border: 1px solid var(--qie-line);
  box-shadow: var(--qie-shadow);
}

.eyebrow {
  color: #05754e;
  background: rgba(36, 214, 161, 0.14);
}

.cta-card h2 {
  margin: 16px 0 10px;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.cta-card p { margin: 0; color: var(--qie-muted); font-weight: 650; }

.cta-benefits {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cta-benefits li {
  display: flex;
  gap: 9px;
  color: #334155;
  font-weight: 850;
}

.cta-benefits li::before { content: "✓"; color: #10b981; font-weight: 950; }

.whatsapp-card {
  display: grid;
  gap: 11px;
  justify-items: start;
  padding: 22px;
  border-radius: 26px;
  background: linear-gradient(135deg, #e8fff6, #ffffff);
  border: 1px solid rgba(19, 193, 132, 0.24);
}

.whatsapp-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(19, 193, 132, 0.18);
  font-size: 1.5rem;
}

.whatsapp-card h3 { margin: 0; font-size: 1.25rem; }
.whatsapp-card p { font-size: 0.94rem; }

#footer {
  padding: 28px 18px;
  color: #d7f7ff;
  background: #062530;
  text-align: center;
}

body:not(.intro-active):not(.sidebar-collapsed) #footer { margin-left: var(--sidebar-width); }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.footer-logo {
  width: 64px;
  height: 44px;
  object-fit: contain;
  padding: 5px;
  border-radius: 12px;
  background: #fff;
}

/* Reveal */
.hidden {
  opacity: 0;
  transform: translateY(16px);
}

.show {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

@keyframes chicchiFloat {
  0%, 100% { transform: translateY(0) rotate(-0.7deg); }
  50% { transform: translateY(-10px) rotate(0.7deg); }
}

@media (max-width: 1240px) {
  .cursos-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intro-scene { grid-template-columns: minmax(0, 1fr) minmax(230px, 0.72fr); }
  .intro-chicchi { width: min(36vw, 380px); }
}

@media (max-width: 980px) {
  body:not(.intro-active) #wrapper,
  body:not(.intro-active) #footer,
  body:not(.intro-active):not(.sidebar-collapsed) #wrapper,
  body:not(.intro-active):not(.sidebar-collapsed) #footer,
  #wrapper,
  #footer { margin-left: 0; }

  body.intro-active #mobile-toggle {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  #mobile-toggle,
  body.sidebar-collapsed #mobile-toggle {
    left: 12px;
  }

  #sidebar,
  body.intro-active #sidebar,
  body.sidebar-collapsed #sidebar {
    width: min(88vw, 360px);
    max-width: 360px;
    transform: translateX(-105%);
    opacity: 1;
    pointer-events: auto;
  }

  #sidebar.open { transform: translateX(0); }

  body.menu-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(2, 17, 24, 0.48);
  }

  .wrapper { padding: 68px 0; scroll-margin-top: 76px; }

  .intro-fullscreen { padding-top: 86px; }
  .intro-scene {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 30px 22px 0;
    text-align: center;
    overflow: hidden;
  }
  .intro-copy-layer { justify-self: center; }
  .intro-copy-layer h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .intro-highlights { justify-content: center; }
  .intro-tap { margin-inline: auto; }
  .intro-figure-layer {
    min-height: 0;
    align-items: end;
    margin-top: -12px;
  }
  .intro-chicchi {
    width: min(48vw, 260px);
    max-height: none;
    animation-duration: 5.2s;
  }

  .catalog-filter-panel,
  .catalog-tools,
  .cursos-header,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .group-price-box { width: 100%; }
  .filter-status { text-align: left; }
  .catalog-tools { gap: 10px; }
}

@media (max-width: 700px) {
  .inner { width: min(100% - 26px, 560px); }
  .wrapper { padding: 58px 0; }
  #cart-bubble { right: 12px; padding: 0 10px 0 12px; }
  .cart-label { display: none; }

  .cursos-grid { grid-template-columns: 1fr; gap: 16px; }
  .cursos-header { margin-bottom: 18px; }
  .cursos-header h2 { font-size: clamp(1.55rem, 8vw, 2.25rem); }
  .catalog-filter-panel,
  .catalog-tools { padding: 13px; border-radius: 20px; }
  .curso-img { height: 170px; }
  .curso-content { padding: 17px; }
  .price-main strong { font-size: 1.35rem; }
  .card-actions { grid-template-columns: 1fr; }

  #cart-modal {
    align-items: stretch;
    justify-content: center;
    padding: calc(8px + var(--safe-top)) 8px calc(8px + var(--safe-bottom));
  }
  #cart-panel {
    width: 100%;
    height: calc(100dvh - 16px - var(--safe-top) - var(--safe-bottom));
    max-height: calc(100dvh - 16px - var(--safe-top) - var(--safe-bottom));
    border-radius: 24px;
    padding: 18px;
  }
  .cart-payment-box {
    grid-template-columns: 1fr 88px;
    gap: 10px;
    padding: 12px;
  }
  #cart-qr { width: 88px; height: 88px; border-radius: 14px; }
  #cart-title { font-size: 1.26rem; }

  .cta-card { padding: 22px; border-radius: 28px; }
  .whatsapp-card { padding: 18px; }
  .footer-brand { flex-direction: column; }
}

@media (max-width: 430px) {
  .inner { width: calc(100% - 22px); }
  #mobile-toggle { left: 10px; top: calc(10px + var(--safe-top)); width: 44px; height: 44px; }
  #cart-bubble { top: calc(10px + var(--safe-top)); min-height: 44px; }
  #cart-count { min-width: 23px; height: 23px; }

  .intro-fullscreen { padding-top: 70px; }
  .intro-highlights { display: none; }
  .intro-scene {
    border-radius: 30px;
    padding: 24px 16px 0;
  }
  .intro-copy-layer h1 { margin-top: 16px; }
  .intro-copy-layer p { margin-bottom: 18px; }
  .intro-tap { min-height: 48px; padding-inline: 16px; font-size: 0.92rem; }
  .intro-chicchi { width: min(50vw, 198px); max-height: none; }

  .filtro-btn,
  .clear-filters { width: 100%; justify-content: center; }
  .cursos-filtros { gap: 8px; }
  .catalog-search,
  .price-sort,
  .ponente-filter { min-height: 44px; }
  .curso-img { height: 156px; }
  .curso-content h3 { font-size: 1rem; }
  .cart-payment-copy span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .hidden { opacity: 1; transform: none; }
}

/* Selector táctil debajo del inicio */
.selector-cursos {
  min-height: 100svh;
  padding: 0;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 18%, rgba(36, 214, 161, 0.16), transparent 34%),
    radial-gradient(circle at 86% 22%, rgba(0, 168, 204, 0.16), transparent 36%),
    linear-gradient(180deg, #f7fcfd 0%, #ffffff 100%);
}

.selector-inner {
  padding: clamp(72px, 8vh, 104px) 0 clamp(42px, 7vh, 82px);
}

.selector-shell {
  min-height: min(760px, calc(100svh - 120px));
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vh, 26px);
  justify-content: center;
  padding: clamp(22px, 3.5vw, 42px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: clamp(28px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 30px 80px rgba(12, 44, 58, 0.14);
  backdrop-filter: blur(16px);
}

.selector-header {
  max-width: 860px;
}

.selector-header h2 {
  margin: 8px 0 10px;
  color: var(--qie-ink);
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.selector-header p {
  margin: 0;
  color: var(--qie-muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  max-width: 760px;
}

.selector-touch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 16px;
  align-items: stretch;
}

.selector-card {
  min-width: 0;
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.selector-card-wide {
  grid-column: span 1;
}

.selector-label {
  display: block;
  margin-bottom: 12px;
  color: var(--qie-muted);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.selector-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.selector-chip,
.selector-clear,
.selector-select,
.selector-search {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  background: #ffffff;
  color: var(--qie-ink);
  font: inherit;
}

.selector-chip,
.selector-clear {
  min-height: 52px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 900;
  touch-action: manipulation;
  transition: transform 0.18s ease, box-shadow 0.18s ease, color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.selector-chip:hover,
.selector-clear:hover,
.selector-submit:hover {
  transform: translateY(-2px);
}

.selector-chip.active {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  box-shadow: 0 12px 28px rgba(0, 168, 204, 0.23);
}

.selector-field-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.selector-select,
.selector-search {
  width: 100%;
  min-height: 58px;
  padding: 0 18px;
  font-weight: 850;
  outline: none;
}

.selector-search::placeholder {
  color: #94a3b8;
}

.selector-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-top: auto;
}

.selector-result-box {
  min-height: 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 15px 18px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 168, 204, 0.09), rgba(36, 214, 161, 0.08));
  border: 1px solid rgba(0, 168, 204, 0.14);
}

.selector-result-box strong {
  color: var(--qie-ink);
  font-size: 1rem;
  font-weight: 950;
}

.selector-result-box span {
  color: var(--qie-muted);
  font-weight: 760;
  font-size: 0.92rem;
}

.selector-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.selector-clear {
  min-width: 156px;
}

.selector-submit {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding-inline: 24px;
  cursor: pointer;
  font-weight: 950;
  white-space: nowrap;
  touch-action: manipulation;
}

@media (max-width: 980px) {
  .selector-cursos {
    min-height: 100dvh;
    overflow: visible;
  }

  .selector-inner {
    padding: 78px 0 34px;
  }

  .selector-shell {
    min-height: calc(100dvh - 112px);
    justify-content: flex-start;
    border-radius: 32px;
    padding: 20px;
  }

  .selector-touch-grid,
  .selector-footer {
    grid-template-columns: 1fr;
  }

  .selector-actions {
    justify-content: stretch;
  }

  .selector-clear,
  .selector-submit {
    flex: 1 1 220px;
    width: 100%;
  }
}

@media (max-width: 700px) {
  .selector-inner {
    padding: 66px 0 18px;
  }

  .selector-shell {
    min-height: calc(100dvh - 84px);
    max-height: none;
    padding: 16px;
    gap: 14px;
    border-radius: 28px;
  }

  .selector-header h2 {
    font-size: clamp(2.05rem, 10vw, 3.1rem);
  }

  .selector-header p {
    font-size: 0.96rem;
  }

  .selector-card {
    padding: 14px;
    border-radius: 22px;
  }

  .selector-chip-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .selector-chip {
    min-height: 52px;
    padding: 10px 8px;
    justify-content: center;
    text-align: center;
    font-size: 0.86rem;
  }

  .selector-select,
  .selector-search {
    min-height: 54px;
  }

  .selector-result-box {
    min-height: auto;
    padding: 13px 14px;
  }
}

@media (max-width: 390px) {
  .selector-chip-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .selector-chip {
    min-height: 50px;
    padding: 9px 6px;
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .selector-shell {
    padding: 14px;
  }

  .selector-header p {
    display: none;
  }
}


/* Ajustes: selector táctil compacto y sidebar funcional */
.selector-cursos {
  overflow: visible;
}

.selector-shell {
  max-width: 1180px;
  margin-inline: auto;
}

.selector-touch-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);
  align-items: start;
}

.selector-field-card {
  align-self: start;
  justify-content: flex-start;
  min-height: 0;
  padding: clamp(14px, 1.6vw, 18px);
}

.selector-select,
.selector-search {
  min-height: 50px;
  padding-inline: 15px;
  font-size: 0.94rem;
}

.selector-chip-group {
  gap: 8px;
}

.selector-chip,
.selector-clear {
  min-height: 46px;
  padding: 9px 14px;
  font-size: 0.9rem;
  line-height: 1.15;
}

.selector-submit {
  min-height: 50px;
}

@media (min-width: 981px) {
  body:not(.intro-active):not(.sidebar-collapsed) #mobile-toggle {
    left: calc(var(--sidebar-width) + 18px);
  }

  body:not(.intro-active):not(.sidebar-collapsed) #mobile-toggle::after {
    content: "Ocultar menú";
    position: absolute;
    left: 58px;
    top: 50%;
    transform: translateY(-50%);
    padding: 7px 10px;
    border-radius: 999px;
    color: #07313d;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
    font-size: 0.76rem;
    font-weight: 900;
    white-space: nowrap;
    pointer-events: none;
  }

  body.sidebar-collapsed:not(.intro-active) #mobile-toggle::after {
    content: "Mostrar menú";
    position: absolute;
    left: 58px;
    top: 50%;
    transform: translateY(-50%);
    padding: 7px 10px;
    border-radius: 999px;
    color: #07313d;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
    font-size: 0.76rem;
    font-weight: 900;
    white-space: nowrap;
    pointer-events: none;
  }
}

@media (max-width: 980px) {
  .selector-touch-grid {
    grid-template-columns: 1fr;
  }

  .selector-field-card {
    width: 100%;
  }
}

@media (max-width: 700px) {
  .selector-chip-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .selector-chip {
    min-height: 46px;
    padding: 9px 7px;
    font-size: 0.8rem;
  }

  .selector-select,
  .selector-search {
    min-height: 48px;
  }
}

/* Descuentos por volumen y paquetes de grupo */
.group-price-box::after { content: none; }
.group-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
}
.btn-cart-group,
.btn-whatsapp-group {
  width: 100%;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 0.8rem;
  font-weight: 950;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn-cart-group {
  color: #ffffff;
  background: linear-gradient(135deg, var(--qie-primary-dark), var(--qie-primary));
  box-shadow: 0 10px 22px rgba(0, 168, 204, 0.22);
}
.btn-cart-group.added {
  color: #065f46;
  background: #d1fae5;
  box-shadow: none;
}
.btn-whatsapp-group {
  color: #047857;
  background: #ecfdf5;
  border: 1px solid rgba(4, 120, 87, 0.16);
}
.btn-cart-group:hover,
.btn-whatsapp-group:hover { transform: translateY(-1px); }
.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.summary-row span { color: var(--qie-muted); font-weight: 850; }
.summary-row strong { white-space: nowrap; }
.summary-row.discount {
  padding: 8px 10px;
  border-radius: 14px;
  background: #ecfdf5;
  color: #047857;
}
.summary-row.discount span,
.summary-row.discount strong { color: #047857; }
.summary-row.final {
  padding-top: 8px;
  margin-top: 4px;
  border-top: 1px solid rgba(0, 168, 204, 0.18);
}
.summary-row.final strong { font-size: 1.35rem; }

@media (min-width: 520px) {
  .group-actions { grid-template-columns: 1fr 1fr; }
}


/* Ajustes de pago Culqi y retorno al inicio */
.cart-payment-box {
  grid-template-columns: minmax(0, 1fr) auto;
}

.payment-now-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  box-shadow: 0 12px 26px rgba(0, 168, 204, 0.24);
  font-weight: 950;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.payment-now-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(0, 168, 204, 0.3);
}

#cart-payment-status {
  grid-column: 1 / -1;
}

.back-home-section {
  padding: 0 18px 34px;
  text-align: center;
  background: #062530;
}

body:not(.intro-active):not(.sidebar-collapsed) .back-home-section {
  margin-left: var(--sidebar-width);
}

.back-home-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #ffffff;
  color: var(--qie-primary-dark);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
}

@media (max-width: 980px) {
  body:not(.intro-active):not(.sidebar-collapsed) .back-home-section {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .cart-payment-box {
    grid-template-columns: 1fr;
  }

  .payment-now-button {
    width: 100%;
  }
}

.payment-now-button.is-disabled {
  opacity: 0.62;
  cursor: not-allowed;
  filter: grayscale(0.15);
}

.payment-now-button.is-disabled:hover {
  transform: none;
  box-shadow: 0 12px 26px rgba(0, 168, 204, 0.18);
}



/* Doble opción de pago: Culqi Yape + Culqi Express */
.payment-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.payment-now-button {
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}

.payment-yape-button {
  background: linear-gradient(135deg, #7b2cbf, #00a6b4);
}

.payment-express-button {
  background: linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
}

@media (max-width: 640px) {
  .payment-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }
}


/* Pago compacto QIE + navegación sidebar corregida */
.cart-payment-box {
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96), rgba(239,252,255,0.96)),
    linear-gradient(135deg, var(--qie-primary), var(--qie-primary-dark));
  border: 1px solid rgba(0, 168, 204, 0.22);
  box-shadow: 0 12px 28px rgba(6, 37, 48, 0.10);
}

.cart-payment-copy {
  gap: 2px;
}

.cart-payment-copy strong {
  color: var(--qie-primary-dark);
  font-size: 0.96rem;
  line-height: 1.1;
}

.cart-payment-copy span {
  color: var(--qie-muted);
  font-size: 0.78rem;
  line-height: 1.25;
}

.payment-actions {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.payment-now-button {
  min-height: 42px;
  width: 100%;
  padding: 0 12px;
  border-radius: 14px;
  font-size: 0.86rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  box-shadow: 0 10px 22px rgba(0, 168, 204, 0.18);
}

.payment-yape-button {
  background: linear-gradient(135deg, #00a6b4, #0b5f78);
}

.payment-express-button {
  background: linear-gradient(135deg, #0b5f78, #062530);
}

#cart-payment-status {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(0, 168, 204, 0.08);
  color: var(--qie-primary-dark);
  font-size: 0.78rem;
  line-height: 1.25;
}

@media (max-width: 420px) {
  .payment-actions { grid-template-columns: 1fr; }
  .payment-now-button { min-height: 44px; }
}