/* ===== Landing Page · PreICFES San Miguel de Sema =====
 * Reutiliza la identidad visual de la aplicación (tema Kahoot: violeta + amarillo). */

:root {
  --violeta: #46178F;
  --violeta-oscuro: #2E0A63;
  --violeta-claro: #7B3FD4;
  --fondo: #46178F;
  --fondo-degradado: linear-gradient(160deg, #2E0A63 0%, #46178F 55%, #5B21B6 100%);
  --papel: #FFFFFF;
  --tinta: #23123F;
  --suave: #6D6390;
  --linea: #E4D9F7;
  --acento: #FFC800;
  --acento-boton: #FFC800;
  --acento-tinta: #3A2500;
  --acento-claro: #FFF3C4;
  --rojo: #E21B3C;
  --azul: #1368CE;
  --verde: #26890C;
  --bien: #1C7C46;
  --bien-claro: #E1F3E8;
  --mal: #B3372B;
  --mal-claro: #F9E3E0;
  --radio: 18px;
  --sombra-tarjeta: 0 12px 32px rgb(30 8 70 / .35);
  --sombra-pop: 0 5px 0 rgb(30 8 70 / .45);
  --sombra-pop-clara: 0 4px 0 rgb(30 8 70 / .18);
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --lectura: Georgia, "Iowan Old Style", "Times New Roman", serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --papel: #27144D;
    --tinta: #F6F0FF;
    --suave: #C4B5EC;
    --linea: #4C3585;
    --acento-claro: #4A3400;
    --bien: #4CC38A;
    --bien-claro: #143324;
    --mal: #E8836F;
    --mal-claro: #3A1D19;
    --sombra-tarjeta: 0 12px 32px rgb(0 0 0 / .5);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--fondo-degradado);
  background-attachment: fixed;
  color: var(--tinta);
  font: 16px/1.55 var(--ui);
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
@media (min-width: 1200px) { html { font-size: 107.5%; } }

img { max-width: 100%; height: auto; display: block; }

/* Decoración de fondo */
.decor { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.decor::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgb(255 255 255 / .13) 2px, transparent 2.6px);
  background-size: 30px 30px;
}
.figura { position: absolute; opacity: .28; }
.f-tri { width: 0; height: 0; top: 12%; left: 6%; border-left: 34px solid transparent; border-right: 34px solid transparent; border-bottom: 58px solid var(--acento); transform: rotate(-14deg); }
.f-cir { width: 64px; height: 64px; border-radius: 50%; background: #FF6B9D; top: 22%; right: 8%; }
.f-cua { width: 56px; height: 56px; border-radius: 14px; background: #2FD4C4; bottom: 18%; left: 9%; transform: rotate(16deg); }
.f-dia { width: 52px; height: 52px; background: #FF8A2B; bottom: 26%; right: 10%; transform: rotate(45deg); border-radius: 12px; }
@media (max-width: 640px) { .figura { opacity: .16; } .f-cir { width: 44px; height: 44px; } }

/* Contenedor */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.25rem; position: relative; z-index: 1; }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgb(46 10 99 / .92);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid rgb(255 255 255 / .12);
}
.header-wrap {
  display: flex; align-items: center; gap: 1rem;
  padding-top: .75rem; padding-bottom: .75rem;
  flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: .6rem; color: #fff; text-decoration: none; font-weight: 800; }
.logo-icon { display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: .7rem; background: var(--acento); color: var(--acento-tinta); border: 2px solid var(--violeta-oscuro); transform: rotate(-6deg); }
.logo-text { font-size: 1rem; }
.logo-text strong { color: var(--acento); }
.header-nav { display: none; gap: 1.25rem; margin-left: auto; }
.header-nav a { color: #fff; text-decoration: none; font-weight: 700; font-size: .95rem; opacity: .9; }
.header-nav a:hover { opacity: 1; text-decoration: underline; }
.btn-header { margin-left: auto; background: var(--acento); color: var(--acento-tinta); border: 2px solid var(--violeta-oscuro); border-radius: 12px; padding: .55rem 1rem; font-weight: 800; text-decoration: none; box-shadow: var(--sombra-pop-clara); }
@media (min-width: 760px) { .header-nav { display: flex; } .btn-header { margin-left: 1rem; } }

/* ============ BOTONES ============ */
.btn {
  font: 800 1rem var(--ui);
  padding: .85rem 1.2rem;
  min-height: 3rem;
  border: 2px solid var(--violeta-oscuro);
  border-radius: 14px;
  background: var(--papel); color: var(--tinta);
  cursor: pointer; touch-action: manipulation;
  box-shadow: var(--sombra-pop-clara);
  transition: transform .08s, box-shadow .08s, filter .15s;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
  text-align: center;
}
.btn:hover:not(:disabled) { filter: brightness(1.04); }
.btn:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 rgb(30 8 70 / .18); }
.btn.primario { background: var(--acento-boton); border-color: var(--violeta-oscuro); color: var(--acento-tinta); box-shadow: var(--sombra-pop); }
.btn.secundario { background: var(--papel); color: var(--violeta-oscuro); }
.btn.grande { width: 100%; padding: 1.05rem; font-size: 1.1rem; border-radius: 16px; }
@media (min-width: 640px) { .btn.grande { width: auto; min-width: 16rem; } }
.btn.texto { border-color: transparent; background: none; color: var(--violeta); box-shadow: none; min-height: 2.5rem; }
:focus-visible { outline: 4px solid var(--acento); outline-offset: 2px; }

/* ============ HERO ============ */
.hero-section { padding: 2.5rem 0 3rem; position: relative; z-index: 1; }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 3rem; } }

.insignia {
  display: inline-block; margin: 0 0 1rem;
  background: var(--violeta); color: #fff;
  font-weight: 800; font-size: .85rem;
  padding: .45rem .9rem; border-radius: 999px;
  box-shadow: var(--sombra-pop-clara);
}
h1 { font: 800 clamp(1.9rem, 1.2rem + 2.6vw, 3rem)/1.05 var(--ui); letter-spacing: -.02em; margin: 0 0 .9rem; color: #fff; text-wrap: balance; text-shadow: 0 2px 0 rgb(30 8 70 / .35); }
.hero-sub { color: rgb(255 255 255 / .92); font-size: 1.1rem; max-width: 36rem; margin: 0 0 1.25rem; }
.hero-datos { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0 0 1.5rem; }
.hero-datos li { background: rgb(255 255 255 / .16); color: #fff; border: 2px solid rgb(255 255 255 / .25); border-radius: 999px; padding: .4rem .85rem; font-size: .9rem; font-weight: 600; backdrop-filter: blur(4px); }
.hero-datos strong { font-weight: 900; color: var(--acento); }
.hero-ctas { display: flex; flex-direction: column; gap: .75rem; }
@media (min-width: 640px) { .hero-ctas { flex-direction: row; flex-wrap: wrap; } }
.hero-trust { margin: 1rem 0 0; color: rgb(255 255 255 / .75); font-size: .85rem; font-weight: 600; }

/* ============ MOCKUPS ============ */
.hero-mockup { position: relative; min-height: 320px; }
.mockup-desktop {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px;
  box-shadow: var(--sombra-tarjeta); overflow: hidden;
  transform: rotate(-2deg); transition: transform .3s;
}
.mockup-desktop:hover { transform: rotate(0deg); }
.mockup-bar { display: flex; align-items: center; gap: .4rem; padding: .6rem .8rem; background: #F4EEFF; border-bottom: 2px solid var(--linea); }
.mockup-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.rojo { background: var(--rojo); } .dot.amarillo { background: var(--acento); } .dot.verde { background: var(--verde); }
.mockup-url { margin-left: .6rem; font-size: .75rem; color: var(--suave); font-weight: 600; }
.mockup-body { padding: 1rem; }
.mock-pregunta { background: #F7F2FF; border: 2px solid var(--linea); border-radius: 14px; padding: .9rem; margin-bottom: .75rem; }
.mock-meta { font-size: .75rem; font-weight: 800; color: var(--suave); margin: 0 0 .4rem; }
.mock-enunciado { font: 700 .95rem/1.35 var(--ui); margin: 0 0 .75rem; color: var(--tinta); }
.mock-opciones { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.mock-opcion { display: flex; gap: .5rem; align-items: center; padding: .5rem .6rem; border: 2px solid var(--violeta-oscuro); border-radius: 10px; color: #fff; font: 700 .8rem var(--ui); }
.mock-opcion:nth-child(1) { background: var(--rojo); }
.mock-opcion:nth-child(2) { background: var(--azul); }
.mock-opcion:nth-child(3) { background: var(--amarillo-op, #EAA800); color: var(--acento-tinta); }
.mock-opcion:nth-child(4) { background: var(--verde); }
.mock-opcion.elegida { outline: 3px solid var(--acento); }
.mock-opcion.correcta { outline: 3px solid var(--bien); }
.mock-opcion .letra { font-weight: 900; }
.mock-resultado { background: var(--papel); border: 2px solid var(--linea); border-radius: 12px; padding: .75rem; }
.mock-puntaje { display: flex; align-items: baseline; gap: .5rem; margin-bottom: .4rem; }
.mock-puntaje strong { font-size: 1.2rem; color: var(--violeta-oscuro); }
.mock-puntaje span { font-size: .8rem; color: var(--suave); font-weight: 600; }
.mock-barra { height: 8px; background: #E4D9F7; border-radius: 999px; overflow: hidden; }
.mock-relleno, .mock-barra > div { height: 100%; background: var(--violeta-claro); border-radius: 999px; }
.mock-consejo { font-size: .75rem; color: var(--suave); margin: .5rem 0 0; font-weight: 600; }

.mockup-phone {
  position: absolute; right: -10px; bottom: -20px; width: 150px;
  background: var(--violeta-oscuro); border: 3px solid var(--violeta-oscuro); border-radius: 24px;
  padding: .5rem; box-shadow: var(--sombra-tarjeta);
  transform: rotate(6deg);
}
.phone-notch { width: 40%; height: 6px; background: #000; border-radius: 0 0 8px 8px; margin: 0 auto .4rem; }
.phone-screen { background: var(--papel); border-radius: 16px; padding: .75rem; }
.phone-titulo { font-weight: 800; font-size: .8rem; color: var(--violeta-oscuro); margin: 0 0 .4rem; }
.phone-puntaje { font-size: 1.1rem; font-weight: 900; color: var(--violeta-oscuro); margin-bottom: .4rem; }
.phone-fila { display: flex; justify-content: space-between; font-size: .7rem; font-weight: 600; padding: .2rem 0; border-bottom: 1px solid var(--linea); color: var(--tinta); }

@media (max-width: 640px) {
  .mockup-phone { display: none; }
  .hero-mockup { min-height: 260px; }
}

/* ============ SECCIONES ============ */
.section { padding: 4rem 0; position: relative; z-index: 1; }
.section-alt { background: rgb(255 255 255 / .06); backdrop-filter: blur(2px); }
.section-head { text-align: center; max-width: 44rem; margin: 0 auto 2.5rem; }
.etiqueta {
  display: inline-block; margin-bottom: .75rem;
  background: var(--acento); color: var(--acento-tinta);
  font-weight: 800; font-size: .8rem;
  padding: .35rem .8rem; border-radius: 999px;
  border: 2px solid var(--violeta-oscuro);
}
.section h2 { font: 800 clamp(1.6rem, 1.2rem + 1.8vw, 2.3rem)/1.1 var(--ui); color: #fff; margin: 0 0 .75rem; text-wrap: balance; text-shadow: 0 2px 0 rgb(30 8 70 / .3); }
.section-sub { color: rgb(255 255 255 / .85); font-size: 1.05rem; margin: 0; }

/* ============ PROBLEMA ============ */
.grid-4 { display: grid; gap: 1rem; }
@media (min-width: 700px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.card-prob {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px;
  padding: 1.25rem; box-shadow: var(--sombra-pop-clara);
  transition: transform .15s;
}
.card-prob:hover { transform: translateY(-4px); }
.prob-icon { font-size: 2rem; display: block; margin-bottom: .5rem; }
.card-prob h3 { font: 800 1rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .4rem; }
.card-prob p { font-size: .9rem; color: var(--suave); margin: 0; }
.prob-cierre { text-align: center; margin: 2rem 0 0; color: #fff; font-weight: 700; font-size: 1.05rem; }

/* ============ SOLUCIÓN (PASOS) ============ */
.pasos { display: flex; flex-direction: column; gap: 1rem; align-items: stretch; }
@media (min-width: 800px) { .pasos { flex-direction: row; align-items: center; } }
.paso {
  flex: 1; background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px;
  padding: 1.5rem; text-align: center; box-shadow: var(--sombra-pop-clara);
}
.paso-num {
  width: 3rem; height: 3rem; margin: 0 auto .75rem;
  display: grid; place-items: center;
  background: var(--acento); color: var(--acento-tinta);
  border: 3px solid var(--violeta-oscuro); border-radius: 50%;
  font: 900 1.2rem var(--ui); box-shadow: var(--sombra-pop);
}
.paso h3 { font: 800 1.1rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .5rem; }
.paso p { font-size: .95rem; color: var(--suave); margin: 0; }
.paso-flecha { display: none; font-size: 2rem; color: #fff; font-weight: 900; }
@media (min-width: 800px) { .paso-flecha { display: block; } }

/* ============ ÁREAS ============ */
.grid-areas { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .grid-areas { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .grid-areas { grid-template-columns: repeat(5, 1fr); } }
.area-card {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px;
  padding: 1.25rem; text-align: center; box-shadow: var(--sombra-pop-clara);
  transition: transform .15s;
}
.area-card:hover { transform: translateY(-4px) rotate(-1deg); }
.area-icon { font-size: 2.2rem; display: block; margin-bottom: .5rem; }
.area-card h3 { font: 800 .95rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .3rem; }
.area-card p { font-size: .8rem; color: var(--suave); margin: 0; }

/* ============ ERRORES ============ */
.errores-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .errores-grid { grid-template-columns: 1fr 1fr; } }
.beneficios { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: .75rem; }
.beneficios li { background: rgb(255 255 255 / .1); border: 2px solid rgb(255 255 255 / .18); border-radius: 14px; padding: .85rem 1rem; color: #fff; font-size: .95rem; }
.beneficios li strong { color: var(--acento); }
.errores-mockup .mock-card {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px;
  padding: 1.25rem; box-shadow: var(--sombra-tarjeta);
  transform: rotate(2deg);
}
.mock-titulo { font: 800 1rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .5rem; }
.mock-puntaje.grande strong { font-size: 1.6rem; color: var(--violeta-oscuro); }
.mock-puntaje.grande span { color: var(--suave); }
.mock-sub { font-size: .8rem; font-weight: 800; color: var(--suave); margin: .75rem 0 .4rem; text-transform: uppercase; letter-spacing: .04em; }
.mock-fila { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 600; color: var(--tinta); padding: .35rem 0; }
.mock-fila .mock-barra { grid-column: 1 / -1; height: 6px; background: #E4D9F7; border-radius: 999px; overflow: hidden; }
.mock-fila .mock-barra div { height: 100%; background: var(--violeta-claro); border-radius: 999px; }
.mock-fila .mock-barra.bajo div { background: var(--mal); }
.mock-consejo { font-size: .8rem; color: var(--suave); margin: .75rem 0 0; font-weight: 600; }

/* ============ SIMULACRO REAL ============ */
.sr-card {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 24px;
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  box-shadow: var(--sombra-tarjeta);
  display: grid; gap: 2rem; align-items: center;
}
@media (min-width: 900px) { .sr-card { grid-template-columns: 1.1fr 1fr; } }
.sr-lead { font-size: 1.05rem; color: var(--suave); margin: .5rem 0 1rem; }
.sr-beneficios { list-style: none; padding: 0; margin: 0 0 1.25rem; display: grid; gap: .5rem; }
.sr-beneficios li { position: relative; padding-left: 1.5rem; color: var(--tinta); font-size: .95rem; }
.sr-beneficios li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--bien); font-weight: 900; }
.sr-precio { background: var(--acento-claro); border: 3px solid var(--violeta-oscuro); border-radius: 16px; padding: 1rem; margin: 1rem 0; display: flex; flex-direction: column; gap: .2rem; }
.precio-label { font-size: .75rem; font-weight: 800; color: var(--suave); text-transform: uppercase; letter-spacing: .05em; }
.precio-valor { font: 900 2rem var(--ui); color: var(--violeta-oscuro); }
.precio-detalle { font-size: .85rem; color: var(--suave); font-weight: 600; }
.sr-aclaracion { font-size: .85rem; color: var(--suave); font-style: italic; margin: .5rem 0 1.25rem; }

.sr-mockup .mock-browser { background: #F4EEFF; border: 3px solid var(--violeta-oscuro); border-radius: 16px; overflow: hidden; box-shadow: var(--sombra-pop-clara); }
.mock-browser-bar { display: flex; gap: .4rem; padding: .6rem .8rem; background: var(--papel); border-bottom: 2px solid var(--linea); }
.mock-browser-body { padding: 1.25rem; text-align: center; }
.mock-browser-body .mock-titulo { font: 800 1.1rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .25rem; }
.mock-browser-body .mock-sub { font-size: .85rem; color: var(--suave); margin: 0 0 .75rem; }
.mock-cuenta { font: 900 2.4rem var(--ui); color: var(--violeta-oscuro); letter-spacing: .05em; margin: .5rem 0; font-variant-numeric: tabular-nums; }
.mock-progreso { height: 10px; background: #E4D9F7; border-radius: 999px; overflow: hidden; margin: .75rem 0; }
.mock-progreso div { height: 100%; background: var(--violeta-claro); border-radius: 999px; }
.mock-mini { font-size: .8rem; color: var(--suave); margin: 0; font-weight: 600; }

/* ============ PADRES ============ */
.padres-card {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 24px;
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  box-shadow: var(--sombra-tarjeta);
  display: grid; gap: 2rem; align-items: center;
}
@media (min-width: 900px) { .padres-card { grid-template-columns: 1.1fr .9fr; } }
.padres-card h2 { color: var(--violeta-oscuro) !important; text-shadow: none; }
.padres-card p { color: var(--suave); }
.padres-visual { display: grid; place-items: center; }
.visual-bubble {
  background: var(--acento-claro); border: 3px solid var(--violeta-oscuro); border-radius: 24px;
  padding: 2rem; text-align: center; box-shadow: var(--sombra-pop); transform: rotate(-3deg);
  max-width: 260px;
}
.visual-emoji { font-size: 3rem; display: block; margin-bottom: .5rem; }
.visual-bubble p { color: var(--violeta-oscuro); font-weight: 800; font-size: 1rem; margin: 0; }

/* ============ DEMO ============ */
.demo-grid { display: grid; gap: 1.25rem; }
@media (min-width: 900px) { .demo-grid { grid-template-columns: 1fr .7fr 1fr; } }
.demo-frame { background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 18px; overflow: hidden; box-shadow: var(--sombra-pop-clara); margin: 0; }
.demo-bar { display: flex; gap: .4rem; padding: .6rem .8rem; background: #F4EEFF; border-bottom: 2px solid var(--linea); }
.demo-body { padding: 1.25rem; }
.demo-tag { font-size: .7rem; font-weight: 800; color: var(--suave); text-transform: uppercase; letter-spacing: .05em; margin: 0 0 .4rem; }
.demo-h { font: 800 1.05rem var(--ui); color: var(--violeta-oscuro); margin: 0 0 .75rem; }
.demo-select { background: #F4EEFF; border: 2px solid var(--violeta-oscuro); border-radius: 10px; padding: .6rem .8rem; font-weight: 700; color: var(--violeta-oscuro); margin-bottom: .6rem; }
.demo-btn { width: 100%; background: var(--acento); color: var(--acento-tinta); border: 2px solid var(--violeta-oscuro); border-radius: 12px; padding: .7rem; font-weight: 800; margin-top: .5rem; }
.demo-mini { font-size: .75rem; color: var(--suave); margin: .75rem 0 0; text-align: center; font-weight: 600; }
.demo-opcion { padding: .6rem .8rem; border-radius: 10px; margin-bottom: .5rem; font-weight: 700; font-size: .85rem; border: 2px solid var(--linea); color: var(--tinta); background: #F7F2FF; }
.demo-opcion.ok { background: var(--bien-claro); border-color: var(--bien); color: var(--bien); }
.demo-explica { background: #F7F2FF; border-left: 4px solid var(--violeta-claro); border-radius: 8px; padding: .75rem; font-size: .85rem; color: var(--tinta); margin-top: .75rem; }
.demo-barra-fila { margin-bottom: .75rem; }
.demo-barra-fila span { display: flex; justify-content: space-between; font-size: .85rem; font-weight: 600; color: var(--tinta); margin-bottom: .3rem; }
.demo-barra { height: 8px; background: #E4D9F7; border-radius: 999px; overflow: hidden; }
.demo-barra div { height: 100%; background: var(--violeta-claro); border-radius: 999px; }
.demo-barra.bajo div { background: var(--mal); }
.demo-frame.phone .phone-notch { width: 40%; height: 6px; background: #000; border-radius: 0 0 8px 8px; margin: 0 auto .4rem; }
.demo-frame.phone .phone-body { padding: 1rem; }

/* ============ FAQ ============ */
.faq-list { max-width: 48rem; margin: 0 auto; display: grid; gap: .75rem; }
.faq-item {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 16px;
  padding: 0; overflow: hidden; box-shadow: var(--sombra-pop-clara);
}
.faq-item summary {
  cursor: pointer; padding: 1rem 1.25rem; font-weight: 800; color: var(--violeta-oscuro);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--violeta-claro); font-weight: 900; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 1.25rem 1rem; margin: 0; color: var(--suave); font-size: .95rem; }

/* ============ CTA FINAL ============ */
.cta-final { padding-bottom: 6rem; }
.final-card {
  background: var(--papel); border: 3px solid var(--violeta-oscuro); border-radius: 24px;
  padding: clamp(2rem, 1.5rem + 2vw, 3rem); text-align: center;
  box-shadow: var(--sombra-tarjeta);
  max-width: 48rem; margin: 0 auto;
}
.final-card h2 { color: var(--violeta-oscuro) !important; text-shadow: none; font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.3rem); }
.final-card p { color: var(--suave); font-size: 1.05rem; margin: .5rem 0 1.25rem; }
.final-precio { font: 900 1.4rem var(--ui); color: var(--violeta-oscuro); margin-bottom: 1.5rem; }
.final-trust { margin: 1rem 0 0; color: var(--suave); font-size: .85rem; font-weight: 600; }

/* ============ FOOTER ============ */
.site-footer { background: rgb(46 10 99 / .6); border-top: 2px solid rgb(255 255 255 / .12); padding: 3rem 0 2rem; position: relative; z-index: 1; color: #fff; }
.footer-grid { display: grid; gap: 2rem; margin-bottom: 1.5rem; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.2fr 1.4fr 1fr; } }
.footer-marca { font-size: 1.05rem; margin: 0 0 .4rem; }
.footer-mini { font-size: .85rem; color: rgb(255 255 255 / .75); margin: 0; line-height: 1.5; }
.footer-tit { font-weight: 800; margin: 0 0 .5rem; color: var(--acento); font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.footer-list li { font-size: .8rem; color: rgb(255 255 255 / .75); padding-left: 1rem; position: relative; }
.footer-list li::before { content: "·"; position: absolute; left: 0; color: var(--acento); font-weight: 900; }
.footer-creditos { font-size: .7rem; color: rgb(255 255 255 / .6); border-top: 1px solid rgb(255 255 255 / .12); padding-top: 1rem; margin: 0 0 .5rem; }
.footer-copy { font-size: .75rem; color: rgb(255 255 255 / .6); margin: 0; }

/* ============ STICKY CTA (móvil) ============ */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  padding: .6rem 1rem calc(.6rem + env(safe-area-inset-bottom));
  background: rgb(46 10 99 / .96); backdrop-filter: blur(8px);
  border-top: 2px solid rgb(255 255 255 / .12);
  transform: translateY(100%); transition: transform .25s ease;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { width: 100%; }
@media (min-width: 900px) { .sticky-cta { display: none; } }

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .card-prob:hover, .area-card:hover, .mockup-desktop:hover { transform: none; }
}

/* utilidades */
.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; }