/* ============================================
   Tony López — Consultoría en IA
   Sistema de diseño
   ============================================ */

:root {
  --negro: #0A0A0B;
  --negro-sup: #131316;
  --borde: #26262B;
  --blanco: #FFFFFF;
  --gris: #A1A1AA;
  --azul: #1B5CFF;
  --azul-claro: #5B8CFF;

  --max-width: 1280px;
  --nav-height: 80px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--negro);
  color: var(--blanco);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Grano de textura sobre todo el fondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMDAiIGhlaWdodD0iMjAwIj48ZmlsdGVyIGlkPSJuIj48ZmVUdXJidWxlbmNlIHR5cGU9ImZyYWN0YWxOb2lzZSIgYmFzZUZyZXF1ZW5jeT0iMC44IiBudW1PY3RhdmVzPSIzIiBzdGl0Y2hUaWxlcz0ic3RpdGNoIi8+PC9maWx0ZXI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsdGVyPSJ1cmwoI24pIi8+PC9zdmc+");
}

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

a {
  color: var(--azul-claro);
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: clamp(24px, 5vw, 80px);
}

section {
  position: relative;
  padding-block: clamp(80px, 12vw, 160px);
  margin: 0;
}

/* ============ LÍNEA DE FLUJO ============ */
.linea-flujo {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 32px;
  width: 1px;
  background: var(--borde);
  z-index: 2;
  pointer-events: none;
}

.linea-flujo-pulso {
  position: absolute;
  left: -1.5px;
  top: 0;
  width: 4px;
  height: 120px;
  background: linear-gradient(to bottom,
    transparent, var(--azul-claro) 40%, var(--blanco) 50%,
    var(--azul-claro) 60%, transparent);
  filter: blur(2px);
  box-shadow: 0 0 20px 2px rgba(27, 92, 255, 0.6);
}

@media (max-width: 768px) {
  .linea-flujo {
    display: none;
  }
}

.nodo-linea {
  position: absolute;
  top: 50%;
  left: 32px;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--azul);
  z-index: 2;
  pointer-events: none;
}

.nodo-linea::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid var(--azul-claro);
  border-radius: 50%;
}

.nodo-linea.activo {
  animation: nodoIluminado 500ms ease-out;
}

@keyframes nodoIluminado {
  0% { box-shadow: 0 0 0 0 rgba(27, 92, 255, 0); }
  30% { box-shadow: 0 0 16px 4px rgba(27, 92, 255, 0.8); }
  100% { box-shadow: 0 0 0 0 rgba(27, 92, 255, 0); }
}

@media (max-width: 768px) {
  .nodo-linea {
    display: none;
  }
}

/* Transición sutil en el borde superior de las secciones con haces de luz */
.section-fade-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, rgba(27, 92, 255, 0.04));
  pointer-events: none;
}

/* Tipografía */
h1, h2, h3 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.etiqueta {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--azul-claro);
  display: inline-block;
  margin-bottom: 16px;
}

.titulo-seccion {
  font-size: clamp(32px, 4.5vw, 56px);
  position: relative;
  padding-bottom: 24px;
  margin-bottom: 24px;
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

.titulo-seccion::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--azul);
}

.subtitulo {
  font-size: 22px;
  color: var(--gris);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  max-width: 620px;
  margin-inline: auto;
  text-align: center;
}

p {
  max-width: 65ch;
}

@media (max-width: 768px) {
  .subtitulo {
    font-size: 18px;
  }
}

/* Botones */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  border-radius: 6px;
  border: none;
  padding: 17px 34px;
  min-height: 52px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all 240ms var(--ease);
}

.btn:focus-visible {
  outline: 2px solid var(--azul-claro);
  outline-offset: 3px;
}

.btn-arrow {
  flex-shrink: 0;
  transition: transform 240ms var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
  }
}

.btn-primario {
  background: var(--azul);
  color: var(--blanco);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.btn-primario::before {
  content: "";
  position: absolute;
  top: 0;
  left: -50%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.25) 50%, rgba(255, 255, 255, 0) 100%);
  transform: skewX(-20deg);
  transition: left 600ms var(--ease);
  pointer-events: none;
}

.btn-primario:hover::before {
  left: 130%;
}

.btn-primario:hover {
  background: #2E6BFF;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(27, 92, 255, 0.32);
}

.btn-primario:active {
  transform: translateY(0);
  transition: transform 80ms var(--ease);
}

.btn-secundario {
  background: transparent;
  color: var(--blanco);
  border: 1px solid var(--borde);
}

.btn-secundario:hover {
  border-color: var(--azul);
  background: rgba(27, 92, 255, 0.06);
}

.btn-header {
  padding: 12px 22px;
  font-size: 15px;
  min-height: 44px;
}

@media (max-width: 640px) {
  .btn-header {
    width: auto;
    padding: 12px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn-arrow,
  .btn-primario::before {
    transition: color 200ms, background 200ms, border-color 200ms;
  }
  .btn-primario:hover,
  .btn-primario:active {
    transform: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
  .btn:hover .btn-arrow {
    transform: none;
  }
  .btn-primario:hover::before {
    left: -50%;
  }
}

.btn-atras {
  background: none;
  border: none;
  color: var(--gris);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 0;
  transition: color 200ms;
}

.btn-atras:hover {
  color: var(--blanco);
}

/* Animación de revelado */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(8px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease), filter 700ms var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* Revelado intensificado — solo las tarjetas de síntomas */
.sintoma-reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  filter: blur(12px);
  transition: opacity 750ms var(--ease), transform 750ms var(--ease), filter 750ms var(--ease);
}

.sintoma-reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .sintoma-reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 300ms var(--ease), border-color 300ms var(--ease);
}

.nav.scrolled {
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--borde);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-height);
}

.nav-logo img {
  height: 34px;
  filter: brightness(1.9);
}

.nav-links {
  display: flex;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  position: relative;
  color: var(--gris);
  font-size: 15px;
  padding-bottom: 4px;
  transition: color 200ms;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--azul);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 240ms var(--ease);
}

.nav-links a:hover {
  color: var(--blanco);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: clamp(64px, 10vh, 120px);
}

.haces {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Haces de luz diagonales — solo en el hero */
.haz {
  position: absolute;
  left: -20%;
  width: 140%;
  background: linear-gradient(90deg, transparent 0%, rgba(27, 92, 255, var(--haz-opacidad)) 50%, transparent 100%);
  filter: blur(var(--haz-blur));
  animation: derivaHaz var(--haz-duracion) ease-in-out infinite alternate;
}

.haz-1 {
  top: -4%;
  height: 220px;
  --haz-opacidad: 0.54;
  --haz-blur: 60px;
  --haz-duracion: 14s;
}

.haz-2 {
  top: 40%;
  height: 70px;
  --haz-duracion: 11s;
  background: linear-gradient(90deg,
    transparent 5%,
    rgba(140, 190, 255, 0.75) 38%,
    rgba(255, 255, 255, 0.55) 50%,
    rgba(90, 150, 255, 0.70) 62%,
    transparent 95%);
  filter: blur(30px);
}

.haz-3 {
  top: 80%;
  height: 260px;
  --haz-opacidad: 0.2;
  --haz-blur: 70px;
  --haz-duracion: 18s;
}

@keyframes derivaHaz {
  0% { transform: translate3d(-12%, -6%, 0) rotate(-17deg); opacity: 0.8; }
  100% { transform: translate3d(12%, 6%, 0) rotate(-17deg); opacity: 1; }
}

/* Viñeta: garantiza que el texto del hero se lea con claridad sobre los haces */
.vineta {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at center, rgba(10, 10, 11, 0.55) 0%, rgba(10, 10, 11, 0.2) 55%, transparent 80%);
}

@media (prefers-reduced-motion: reduce) {
  .haz {
    animation: none;
  }
}

/* Resplandor azul que respira — solo en historia y termómetro */
.glow {
  position: absolute;
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 92, 255, 0.20) 0%, rgba(27, 92, 255, 0.07) 40%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  animation: respirar 9s ease-in-out infinite alternate;
}

@keyframes respirar {
  from { transform: scale(1); opacity: 0.75; }
  to { transform: scale(1.12); opacity: 1; }
}

@keyframes respirarTenue {
  from { transform: scale(1); opacity: 0.45; }
  to { transform: scale(1.12); opacity: 0.6; }
}

.glow-historia {
  top: 50%;
  left: 50%;
  margin: -450px 0 0 -450px;
  animation-name: respirarTenue;
}

.glow-termometro {
  top: 50%;
  left: 50%;
  margin: -450px 0 0 -450px;
}

@media (max-width: 768px) {
  .glow {
    width: 500px;
    height: 500px;
  }
  .glow-historia,
  .glow-termometro {
    margin: -250px 0 0 -250px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .glow {
    animation: none;
    opacity: 0.85;
  }
  .glow-historia {
    opacity: 0.55;
  }
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1000px;
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 80px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero .etiqueta {
  margin-bottom: 24px;
}

.hero-titulo {
  font-size: clamp(44px, 8.5vw, 116px);
  margin-bottom: 28px;
  max-width: 16ch;
  margin-inline: auto;
  text-wrap: balance;
}

.hero-sub {
  margin-bottom: 40px;
  max-width: 58ch;
  margin-inline: auto;
}

.hero-sub strong {
  color: var(--blanco);
  font-weight: 600;
}

.hero-typewriter {
  display: block;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 500;
  color: var(--gris);
  min-height: 30px;
  margin: 32px 0 24px;
}

.hero-typewriter-palabra {
  color: var(--azul-claro);
  font-weight: 700;
}

.hero-typewriter-cursor {
  display: inline-block;
  margin-left: 2px;
  color: var(--azul);
  animation: parpadeoCursor 1s steps(1) infinite;
}

@keyframes parpadeoCursor {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-typewriter-cursor {
    animation: none;
    opacity: 0;
  }
}

.hero-botones {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-titulo {
    margin-bottom: 20px;
  }
  .hero .etiqueta {
    margin-bottom: 16px;
  }
  .hero-typewriter {
    margin: 16px 0;
  }
  .hero-sub {
    margin-bottom: 28px;
  }
}

/* ============ SÍNTOMAS ============ */
.tarjetas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.tarjeta {
  position: relative;
  background: var(--negro-sup);
  border: 1px solid var(--borde);
  border-top-color: #34343B;
  border-radius: 6px;
  padding: 32px;
  --mx: 50%;
  --my: 50%;
}

.tarjeta::after,
.quiz-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: radial-gradient(400px circle at var(--mx) var(--my), rgba(27, 92, 255, 0.09), transparent 70%);
  opacity: 0;
  transition: opacity 300ms;
  pointer-events: none;
}

.tarjeta:hover::after,
.quiz-card:hover::after {
  opacity: 1;
}

@media (hover: none) {
  .tarjeta::after,
  .quiz-card::after {
    display: none;
  }
}

.tarjeta h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.tarjeta p {
  color: var(--gris);
  font-size: 16px;
}

.tarjeta .ideal-si {
  margin-top: 16px;
  font-size: 15px;
  color: var(--gris);
}

@media (max-width: 900px) {
  .tarjetas-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ HISTORIA ============ */
.historia {
  text-align: center;
  position: relative;
  overflow: hidden;
  background: #000000;
}

#historia {
  padding-block: clamp(120px, 18vw, 220px);
}

.historia .container {
  max-width: 780px;
  position: relative;
  z-index: 1;
}

.historia h2 {
  font-size: 56px;
  margin-bottom: 40px;
}

.historia p {
  margin: 0 auto 24px;
  font-size: 22px;
  color: var(--gris);
  max-width: 65ch;
}

.historia p.destacado {
  color: var(--blanco);
  font-size: 28px;
  font-family: 'Instrument Serif', serif;
}

@media (max-width: 768px) {
  .historia h2 {
    font-size: 32px;
  }
  .historia p {
    font-size: 18px;
  }
  .historia p.destacado {
    font-size: 22px;
  }
}

/* ============ TERMÓMETRO ============ */
.termometro {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.termometro .container {
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.termometro-header {
  margin-bottom: 56px;
}

.termometro-header .subtitulo {
  margin: 0 auto;
}

.quiz-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--negro-sup);
  border: 1px solid var(--borde);
  border-top-color: #34343B;
  border-radius: 6px;
  padding: 48px;
  text-align: left;
  position: relative;
  container-type: inline-size;
  --mx: 50%;
  --my: 50%;
}

@media (max-width: 640px) {
  .quiz-card {
    padding: 28px;
  }
}

.quiz-progress {
  height: 3px;
  background: var(--borde);
  border-radius: 3px;
  margin-bottom: 40px;
  overflow: hidden;
}

.quiz-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--azul);
  transition: width 300ms var(--ease);
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: quizIn 300ms var(--ease);
}

@keyframes quizIn {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-step.active {
    animation: none;
  }
}

.quiz-pregunta {
  font-size: 24px;
  font-family: 'Instrument Serif', serif;
  margin-bottom: 28px;
}

.quiz-captura-sub {
  color: var(--gris);
  font-size: 16px;
  margin-top: -20px;
  margin-bottom: 24px;
}

.quiz-opciones {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-opcion {
  width: 100%;
  min-height: 48px;
  text-align: left;
  background: transparent;
  border: 1px solid var(--borde);
  color: var(--blanco);
  padding: 16px 20px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  cursor: pointer;
  transition: border-color 200ms, background 200ms;
}

.quiz-opcion:hover,
.quiz-opcion:focus-visible,
.quiz-opcion.activa {
  border-color: var(--azul);
  background: rgba(27, 92, 255, 0.08);
}

.quiz-opcion:focus-visible {
  outline: 2px solid var(--azul);
  outline-offset: 2px;
}

.quiz-nav {
  margin-top: 24px;
}

/* Captura */
.quiz-campo {
  margin-bottom: 20px;
}

.quiz-campo label {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--azul-claro);
  margin-bottom: 8px;
  font-weight: 600;
}

.quiz-campo input {
  width: 100%;
  background: var(--negro);
  border: 1px solid var(--borde);
  color: var(--blanco);
  padding: 14px 16px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
}

.quiz-campo input:focus {
  outline: none;
  border-color: var(--azul);
}

.quiz-campo input.valido {
  border-color: var(--azul);
}

.quiz-campo-error {
  display: block;
  min-height: 18px;
  margin-top: 6px;
  font-size: 13px;
  color: var(--gris);
}

.quiz-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--gris);
  cursor: pointer;
}

.quiz-checkbox input {
  margin-top: 3px;
  accent-color: var(--azul);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.quiz-card .btn-primario {
  width: 100%;
  margin-top: 8px;
}

.quiz-card .btn-primario:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.quiz-card .btn-primario:disabled:hover {
  transform: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.quiz-card .btn-primario:disabled:hover::before {
  left: -50%;
}

.quiz-card .btn-primario:disabled:hover .btn-arrow {
  transform: none;
}

/* Resultado */
.resultado-cifra-wrap {
  margin: 20px 0 4px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}

.resultado-cifra {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: clamp(32px, 11cqw, 80px);
  line-height: 1;
  color: var(--blanco);
  white-space: nowrap;
}

.resultado-cifra-sub {
  font-size: 18px;
  color: var(--gris);
}

.resultado-explicacion {
  color: var(--gris);
  font-size: 17px;
  margin-bottom: 24px;
}

.resultado-contador {
  border-top: 1px solid var(--borde);
  border-bottom: 1px solid var(--borde);
  padding: 14px 0;
  margin-bottom: 24px;
  color: var(--azul);
  font-size: 15px;
}

.resultado-contador span {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.resultado-nota-conservadora {
  color: var(--gris);
  font-size: 14px;
  max-width: 60ch;
  margin-bottom: 24px;
}

.resultado-separador {
  height: 1px;
  background: var(--borde);
  margin: 24px 0;
}

.resultado-cita {
  color: var(--gris);
  font-size: 14px;
  font-style: italic;
}

.resultado-cita span {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 13px;
}

.resultado-ads {
  color: var(--blanco);
  font-size: 17px;
  margin-top: 24px;
}

.resultado-diagnostico {
  margin-bottom: 32px;
}

.resultado-diagnostico .etiqueta {
  display: block;
}

.resultado-nivel {
  font-size: 32px;
  margin: 8px 0 12px;
}

.resultado-texto {
  color: var(--gris);
  font-size: 17px;
}

.resultado-datos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.resultado-dato .etiqueta {
  margin-bottom: 8px;
}

.resultado-dato-valor {
  color: var(--azul);
  font-family: 'Instrument Serif', serif;
  font-size: clamp(24px, 6cqw, 40px);
  line-height: 1.1;
}

#resultado-horas {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.resultado-cierre {
  margin-bottom: 24px;
}

.resultado-cierre p {
  font-size: 17px;
  margin-bottom: 8px;
}

.resultado-cierre p:last-child {
  margin-bottom: 0;
}

.resultado-nota-final {
  color: var(--gris);
  font-size: 13px;
  margin-top: 16px;
}

@media (max-width: 480px) {
  .resultado-datos {
    grid-template-columns: 1fr;
  }
}

/* ============ SOLUCIONES ============ */
.soluciones .tarjeta h3 {
  font-size: 22px;
  margin-bottom: 12px;
  font-family: 'Instrument Serif', serif;
}

/* ============ CÓMO TRABAJO ============ */
.proceso-lista {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.proceso-paso {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  align-items: start;
}

.proceso-numero {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 64px;
  color: var(--azul);
  line-height: 1;
}

.proceso-paso h3 {
  font-size: 22px;
  margin-bottom: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.proceso-paso p {
  color: var(--gris);
}

@media (max-width: 600px) {
  .proceso-paso {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .proceso-numero {
    font-size: 48px;
  }
}

/* ============ SOBRE MÍ ============ */
.sobre-mi-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}

.sobre-mi-foto {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
}

.sobre-mi-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sobre-mi-texto p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gris);
  margin-bottom: 20px;
  max-width: 60ch;
}

.sobre-mi-texto p.destacado {
  color: var(--blanco);
}

.sobre-mi-texto p.sobre-mi-firma {
  font-size: 15px;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .sobre-mi-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sobre-mi-foto {
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ============ CIERRE ============ */
.cierre {
  text-align: center;
}

.cierre .container {
  max-width: 720px;
}

.cierre h2 {
  font-size: 56px;
  margin-bottom: 24px;
}

.cierre p {
  color: var(--gris);
  font-size: 18px;
  margin: 0 auto 40px;
  max-width: 65ch;
}

@media (max-width: 768px) {
  .cierre h2 {
    font-size: 32px;
  }
}

/* ============ PREGUNTAS FRECUENTES ============ */
.faq .container {
  max-width: 760px;
}

.faq-lista {
  margin-top: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--borde);
}

.faq-pregunta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: none;
  border: none;
  text-align: left;
  padding: 24px 0;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--blanco);
}

.faq-signo {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 280ms var(--ease);
}

.faq-signo::before,
.faq-signo::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--azul-claro);
  transform: translate(-50%, -50%);
}

.faq-signo::before {
  width: 16px;
  height: 1.5px;
}

.faq-signo::after {
  width: 1.5px;
  height: 16px;
}

.faq-item.abierto .faq-signo {
  transform: rotate(45deg);
}

.faq-respuesta {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms var(--ease);
}

.faq-respuesta p {
  padding-top: 4px;
  padding-bottom: 20px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gris);
}

@media (prefers-reduced-motion: reduce) {
  .faq-signo,
  .faq-respuesta {
    transition: none;
  }
}

/* ============ FORMULARIO SECUNDARIO ============ */
.proyecto .container {
  max-width: 560px;
  text-align: center;
}

.proyecto-header {
  margin-bottom: 40px;
}

.proyecto-form {
  text-align: left;
}

.quiz-campo textarea {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  background: var(--negro);
  border: 1px solid var(--borde);
  color: var(--blanco);
  padding: 14px 16px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
}

.quiz-campo textarea:focus {
  outline: none;
  border-color: var(--azul);
}

.proyecto-form .btn {
  width: 100%;
  justify-content: center;
}

.proyecto-confirmacion p {
  color: var(--gris);
  font-size: 17px;
}

/* ============ PIE DE PÁGINA ============ */
.pie {
  border-top: 1px solid var(--borde);
  padding: 56px 0;
}

.pie .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.pie-izquierda img {
  height: 28px;
  margin-bottom: 12px;
}

.pie-izquierda p {
  color: var(--gris);
  font-size: 15px;
}

.pie-derecha {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
}

.pie-redes {
  display: flex;
  gap: 24px;
}

.pie-redes a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gris);
  font-size: 15px;
  transition: color 200ms;
}

.pie-redes a svg {
  flex-shrink: 0;
}

.pie-redes a:hover {
  color: var(--azul-claro);
}

.pie-framework {
  font-size: 13px;
  color: var(--gris);
}

@media (max-width: 600px) {
  .pie .container {
    flex-direction: column;
  }
  .pie-derecha {
    align-items: flex-start;
  }
}

/* ============ PÁGINA FRAMEWORK ============ */
.framework-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
}

.framework-main .container {
  max-width: 560px;
}

.framework-main h1 {
  font-size: 56px;
  margin-bottom: 24px;
}

.framework-main p {
  color: var(--gris);
  font-size: 18px;
  margin: 0 auto 40px;
}

@media (max-width: 768px) {
  .framework-main h1 {
    font-size: 32px;
  }
}

/* ============ AVISO DE PRIVACIDAD ============ */
.legal {
  padding-block: clamp(120px, 14vw, 160px) 100px;
}

.legal .container {
  max-width: 760px;
}

.legal h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 12px;
}

.legal-fecha {
  color: var(--gris);
  font-size: 15px;
  margin-bottom: 48px;
}

.legal-contenido h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--blanco);
  margin: 40px 0 16px;
}

.legal-contenido h2:first-child {
  margin-top: 0;
}

.legal-contenido p {
  color: var(--gris);
  font-size: 16px;
  max-width: 70ch;
  margin-bottom: 16px;
}

.legal-contenido ul {
  color: var(--gris);
  font-size: 16px;
  max-width: 70ch;
  margin: 0 0 16px 20px;
  padding: 0;
}

.legal-contenido li {
  margin-bottom: 8px;
}

.legal-contenido strong {
  color: var(--blanco);
  font-weight: 600;
}

.legal .btn {
  margin-top: 40px;
}

@media (max-width: 768px) {
  .legal-contenido h2 {
    font-size: 18px;
  }
}

/* ============ PÁGINA BOOTCAMP ============ */
.bootcamp-texto {
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.bootcamp-texto p {
  margin: 0 auto 20px;
  font-size: 18px;
  color: var(--gris);
  max-width: 65ch;
}

.bootcamp-texto p.destacado {
  color: var(--blanco);
  font-size: 26px;
  font-family: 'Instrument Serif', serif;
  margin-top: 40px;
}

.bootcamp-texto ul {
  margin-inline: auto;
}

@media (max-width: 768px) {
  .bootcamp-texto p {
    font-size: 16px;
  }
  .bootcamp-texto p.destacado {
    font-size: 21px;
  }
}

/* Marco: usar / trabajar / escalar */
.nivel-lista {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nivel-chip {
  border: 1px solid var(--borde);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--gris);
}


/* Preguntas guía */
.preguntas-guia {
  display: grid;
  gap: 12px;
  margin-top: 40px;
  text-align: left;
}

.preguntas-guia .pregunta-guia {
  border-left: 2px solid var(--azul);
  background: var(--negro-sup);
  border-radius: 0 6px 6px 0;
  padding: 14px 20px;
  color: var(--gris);
  font-size: 16px;
  margin: 0;
  max-width: none;
}

/* Tarjetas de programa: hasta 4 columnas en escritorio */
.tarjetas-grid--programa {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1100px) {
  .tarjetas-grid--programa {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .tarjetas-grid--programa {
    grid-template-columns: 1fr;
  }
}

/* Tarjetas de "Qué aprenderás": icono narrativo que respira y despierta al tocarlo */
.tarjetas-grid--programa .tarjeta {
  transition: transform 320ms var(--ease), border-color 240ms, box-shadow 320ms var(--ease);
}

.tarjeta-icono-wrap {
  position: relative;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tarjeta-icono-glow {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 92, 255, 0.4) 0%, transparent 70%);
  filter: blur(10px);
  opacity: 0.5;
  animation: respirarIcono 5.5s ease-in-out infinite alternate;
  animation-delay: var(--retraso, 0s);
  transition: opacity 320ms var(--ease), background 320ms var(--ease);
}

@keyframes respirarIcono {
  from { opacity: 0.32; transform: scale(0.88); }
  to { opacity: 0.7; transform: scale(1.1); }
}

.tarjeta-icono {
  position: relative;
  color: var(--azul-claro);
  transition: transform 320ms var(--ease), color 240ms;
}

.tarjetas-grid--programa .tarjeta:hover,
.tarjetas-grid--programa .tarjeta:active {
  transform: translateY(-7px);
  border-color: var(--azul);
  box-shadow: 0 22px 44px rgba(27, 92, 255, 0.2);
}

.tarjetas-grid--programa .tarjeta:hover .tarjeta-icono,
.tarjetas-grid--programa .tarjeta:active .tarjeta-icono {
  transform: scale(1.15);
  color: var(--blanco);
}

.tarjetas-grid--programa .tarjeta:hover .tarjeta-icono-glow,
.tarjetas-grid--programa .tarjeta:active .tarjeta-icono-glow {
  opacity: 1;
  animation-play-state: paused;
  background: radial-gradient(circle, rgba(27, 92, 255, 0.6) 0%, transparent 70%);
}

@media (prefers-reduced-motion: reduce) {
  .tarjeta-icono-glow {
    animation: none;
    opacity: 0.5;
  }
  .tarjetas-grid--programa .tarjeta,
  .tarjeta-icono {
    transition: none;
  }
}

/* Checklist */
.lista-check {
  list-style: none;
  margin-top: 32px;
  max-width: 560px;
  text-align: left;
}

.lista-check li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: var(--gris);
  font-size: 17px;
}

.lista-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--azul-claro);
  font-weight: 600;
}

/* Filosofía */
.filosofia .container {
  max-width: 820px;
}

.filosofia h2 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.25;
}

.filosofia h2 span {
  display: block;
  color: var(--azul-claro);
}

/* Generación Fundadora */
.precio-card {
  max-width: 480px;
  margin: 48px auto 0;
  background: var(--negro-sup);
  border: 1px solid var(--borde);
  border-top-color: #34343B;
  border-radius: 6px;
  padding: 48px;
  text-align: center;
}

@media (max-width: 640px) {
  .precio-card {
    padding: 32px 24px;
  }
}

.precio-cifra {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: clamp(28px, 6vw, 40px);
  color: var(--blanco);
  display: block;
  margin: 8px 0 4px;
}

.precio-card .precio-nota {
  color: var(--gris);
  font-size: 15px;
  margin: 0 auto 24px;
  max-width: none;
}

.precio-card .precio-regular {
  color: var(--gris);
  font-size: 16px;
  text-decoration: line-through;
  margin: 0 auto 4px;
  max-width: none;
}

.precio-card .precio-regular-nota {
  color: var(--gris);
  font-size: 13px;
  margin: 0 auto;
  max-width: none;
}

.precio-separador {
  height: 1px;
  background: var(--borde);
  margin: 28px 0;
}

.precio-card .precio-condicion {
  color: var(--gris);
  font-size: 14px;
  margin: 0 auto 24px;
  max-width: none;
}

.precio-card .precio-escasez {
  color: var(--azul-claro);
  font-size: 15px;
  font-weight: 600;
  margin: 0 auto 28px;
  max-width: none;
}

.precio-card .btn {
  width: 100%;
  justify-content: center;
}