/* ============================================================
   NAVEGANDO SEGURO · por Millora
   Manual de prevención de fraudes en internet
   Identidad: azul corporativo Millora + acento verde "seguro"
   Diseño accesible: tipografía amplia, alto contraste, calma.
   ============================================================ */

:root {
  /* Identidad Millora */
  --azul:        #072357;
  --azul-medio:  #0e3a8c;
  --azul-claro:  #3a5fa8;
  --azul-suave:  #eef3fc;
  --azul-borde:  #d4e0f4;

  /* Acento "seguro" */
  --verde:       #1f7a4d;
  --verde-suave: #e8f4ee;

  /* Alerta (para señales de peligro) */
  --ambar:       #b25e09;
  --ambar-suave: #fcf2e4;

  /* Neutros */
  --tinta:       #0c1a33;
  --gris:        #4a5876;
  --gris-claro:  #7c89a6;
  --fondo:       #ffffff;
  --fondo-alt:   #f6f9ff;
  --linea:       #e3ebf7;

  --font-body:    'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;

  --maxw: 1080px;
  --radio: 18px;
  --radio-sm: 12px;
  --sombra: 0 6px 28px rgba(7, 35, 87, 0.08);
  --sombra-lg: 0 16px 50px rgba(7, 35, 87, 0.14);
  --trans: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--tinta);
  background: var(--fondo);
  /* Tamaño base generoso para lectura cómoda */
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--azul); color: #fff; padding: 12px 18px; z-index: 999;
  border-radius: 0 0 10px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* foco visible para accesibilidad */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--azul-medio); outline-offset: 3px; border-radius: 6px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 34px; width: auto; }
.brand-sep { width: 1px; height: 26px; background: var(--azul-borde); }
.brand-sub {
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--azul-medio);
}
.header-tag { font-size: 14px; color: var(--gris); font-weight: 600; }
@media (max-width: 720px){ .header-tag { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 120% at 85% -10%, rgba(31,122,77,0.10), transparent 45%),
    radial-gradient(120% 120% at 0% 0%, rgba(14,58,140,0.10), transparent 50%),
    var(--azul);
  color: #fff;
  padding: 86px 0 96px;
}
.hero::after {
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px; opacity: 0.5; pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
  padding: 8px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  margin-bottom: 26px;
}
.hero-eyebrow .dot { width: 9px; height: 9px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,0.25); }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600; line-height: 1.08;
  font-size: clamp(34px, 6vw, 60px);
  letter-spacing: -0.01em; margin-bottom: 22px;
}
.hero h1 em { font-style: italic; color: #9fd7b9; }
.hero-lede { font-size: clamp(18px, 2.4vw, 22px); color: #dbe6fb; max-width: 620px; }
.hero-cta-row { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 700; font-size: 17px;
  padding: 15px 28px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: var(--trans); line-height: 1;
}
.btn-light { background: #fff; color: var(--azul); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,0.2); }
.btn-ghost { background: rgba(255,255,255,0.10); color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); }
.btn-azul { background: var(--azul); color: #fff; }
.btn-azul:hover { background: var(--azul-medio); transform: translateY(-2px); }

/* ---------- Secciones genéricas ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--fondo-alt); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-weight: 800; font-size: 13px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--verde); margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display); font-weight: 600; line-height: 1.12;
  color: var(--azul); font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.01em;
}
.section-sub { margin-top: 16px; font-size: 19px; color: var(--gris); }

/* ---------- Aviso / contexto (sin alarmar, sin vender) ---------- */
.intro-card {
  background: var(--azul-suave);
  border: 1px solid var(--azul-borde);
  border-left: 6px solid var(--azul-medio);
  border-radius: var(--radio);
  padding: 32px 34px;
}
.intro-card p { font-size: 19px; color: var(--tinta); }
.intro-card p + p { margin-top: 14px; }
.intro-card strong { color: var(--azul); }

/* ---------- Acordeón de temas ---------- */
.temas { display: flex; flex-direction: column; gap: 18px; }
.tema {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); overflow: hidden; transition: var(--trans);
}
.tema.is-open { box-shadow: var(--sombra-lg); border-color: var(--azul-borde); }
.tema-head {
  width: 100%; display: flex; align-items: center; gap: 20px;
  padding: 26px 28px; background: none; border: 0; cursor: pointer; text-align: left;
}
.tema-num {
  flex-shrink: 0; font-family: var(--font-display); font-weight: 600;
  font-size: 22px; color: var(--azul-claro);
  width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-suave); border: 1px solid var(--azul-borde);
}
.tema.is-open .tema-num { background: var(--azul); color: #fff; border-color: var(--azul); }
.tema-titles { flex: 1; }
.tema-titulo { display: block; font-size: 21px; font-weight: 700; color: var(--azul); line-height: 1.3; }
.tema-resumen { display: block; font-size: 16px; color: var(--gris); margin-top: 4px; }
.tema-chevron {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-suave); color: var(--azul); font-size: 16px;
  transition: var(--trans);
}
.tema.is-open .tema-chevron { transform: rotate(180deg); background: var(--verde-suave); color: var(--verde); }

.tema-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.tema-body-inner { padding: 4px 28px 32px 102px; }
@media (max-width: 640px){ .tema-body-inner { padding: 4px 24px 28px 24px; } }

.tema-section + .tema-section { margin-top: 24px; }
.tema-label {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 12px;
}
.tema-label.azul { color: var(--azul-medio); }
.tema-label.ambar { color: var(--ambar); }
.tema-label.verde { color: var(--verde); }
.tema-texto { font-size: 18px; color: var(--tinta); }

.lista { display: flex; flex-direction: column; gap: 11px; margin-top: 4px; }
.lista li { display: flex; gap: 13px; font-size: 17px; line-height: 1.55; }
.lista .marca {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; margin-top: 2px;
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800;
}
.lista.peligro .marca { background: var(--ambar-suave); color: var(--ambar); }
.lista.accion  .marca { background: var(--verde-suave); color: var(--verde); }

/* ---------- Quiz ---------- */
.quiz-wrap { max-width: 760px; margin: 0 auto; }
.quiz-card {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 38px 36px;
}
@media (max-width: 600px){ .quiz-card { padding: 28px 22px; } }
.quiz-progress { display: flex; gap: 7px; margin-bottom: 26px; }
.quiz-dot { height: 7px; flex: 1; border-radius: 999px; background: var(--linea); transition: var(--trans); }
.quiz-dot.done { background: var(--verde); }
.quiz-dot.active { background: var(--azul-medio); }
.quiz-step-label { font-size: 14px; font-weight: 700; color: var(--gris-claro); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 14px; }
.quiz-situacion { font-size: 21px; font-weight: 600; color: var(--azul); line-height: 1.45; margin-bottom: 26px; }
.quiz-opciones { display: flex; flex-direction: column; gap: 13px; }
.quiz-opcion {
  width: 100%; text-align: left; cursor: pointer;
  background: var(--fondo-alt); border: 2px solid var(--linea); border-radius: var(--radio-sm);
  padding: 18px 20px; font-family: var(--font-body); font-size: 18px; font-weight: 600; color: var(--tinta);
  transition: var(--trans); display: flex; align-items: center; gap: 14px;
}
.quiz-opcion:hover:not(:disabled) { border-color: var(--azul-claro); background: var(--azul-suave); }
.quiz-opcion .letra {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; background: #fff;
  border: 1px solid var(--azul-borde); display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--azul-medio); font-size: 15px;
}
.quiz-opcion.correcta { border-color: var(--verde); background: var(--verde-suave); }
.quiz-opcion.correcta .letra { background: var(--verde); color: #fff; border-color: var(--verde); }
.quiz-opcion.incorrecta { border-color: var(--ambar); background: var(--ambar-suave); }
.quiz-opcion.incorrecta .letra { background: var(--ambar); color: #fff; border-color: var(--ambar); }
.quiz-opcion:disabled { cursor: default; }

.quiz-feedback {
  margin-top: 22px; padding: 20px 22px; border-radius: var(--radio-sm);
  background: var(--azul-suave); border: 1px solid var(--azul-borde);
  font-size: 17px; line-height: 1.6; display: none;
}
.quiz-feedback.show { display: block; }
.quiz-feedback .fb-title { font-weight: 800; margin-bottom: 6px; color: var(--azul); }
.quiz-feedback.bien .fb-title { color: var(--verde); }
.quiz-feedback.ojo .fb-title { color: var(--ambar); }

.quiz-foot { margin-top: 26px; display: flex; justify-content: flex-end; }

.quiz-result { text-align: center; padding: 16px 0; }
.quiz-result .big {
  font-family: var(--font-display); font-size: clamp(40px, 8vw, 64px); font-weight: 600; color: var(--azul);
}
.quiz-result p { font-size: 19px; color: var(--gris); margin-top: 8px; }
.quiz-result .msg { margin-top: 18px; font-size: 18px; color: var(--tinta); max-width: 460px; margin-left:auto; margin-right:auto; }

/* ---------- Regla de oro (cierre) ---------- */
.regla {
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(31,122,77,0.16), transparent 50%),
    var(--azul);
  color: #fff; border-radius: var(--radio); padding: 56px 48px; text-align: center;
  position: relative; overflow: hidden;
}
@media (max-width: 600px){ .regla { padding: 40px 26px; } }
.regla .eyebrow { color: #9fd7b9; }
.regla h2 {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(26px, 4.5vw, 40px);
  line-height: 1.2; max-width: 720px; margin: 0 auto 18px;
}
.regla h2 em { font-style: italic; color: #9fd7b9; }
.regla p { font-size: 19px; color: #d8e4fb; max-width: 600px; margin: 0 auto; }

.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; text-align: left; }
@media (max-width: 760px){ .pasos { grid-template-columns: 1fr; } }
.paso {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radio-sm); padding: 24px;
}
.paso .n { font-family: var(--font-display); font-size: 30px; font-weight: 600; color: #9fd7b9; }
.paso h3 { font-size: 18px; font-weight: 700; margin: 8px 0 6px; }
.paso p { font-size: 16px; color: #c8d6f3; margin: 0; }

/* ---------- Tarjeta de apoyo ---------- */
.apoyo {
  display: grid; grid-template-columns: 1fr; gap: 22px; max-width: 720px; margin: 0 auto;
  background: var(--verde-suave); border: 1px solid #c6e3d3; border-radius: var(--radio);
  padding: 36px 38px; text-align: center;
}
.apoyo h2 { font-family: var(--font-display); font-weight: 600; color: var(--verde); font-size: clamp(24px, 3.5vw, 32px); }
.apoyo p { font-size: 19px; color: var(--tinta); }

/* ---------- Footer ---------- */
.site-footer { background: var(--azul); color: #aebfe0; padding: 48px 0 36px; margin-top: 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 16px; }
.footer-logo { height: 30px; filter: brightness(0) invert(1); opacity: 0.92; }
.footer-msg { font-size: 16px; color: #c2d1ee; max-width: 560px; line-height: 1.6; }
.footer-bottom { margin-top: 24px; font-size: 14px; color: #7e93c4; }

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Sección Compartir / difusión
   ============================================================ */
.compartir-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  max-width: 940px; margin: 0 auto;
}
@media (max-width: 820px){ .compartir-grid { grid-template-columns: 1fr; max-width: 460px; } }
.compartir-card {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 30px 26px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.compartir-icono {
  width: 56px; height: 56px; border-radius: 14px; display: flex;
  align-items: center; justify-content: center; font-weight: 800; font-size: 16px;
  background: var(--azul-suave); color: var(--azul-medio); border: 1px solid var(--azul-borde);
  letter-spacing: 0.04em;
}
.compartir-icono.verde { background: var(--verde-suave); color: var(--verde); border-color: #c6e3d3; }
.compartir-card h3 { font-size: 19px; font-weight: 700; color: var(--azul); }
.compartir-card p { font-size: 16px; color: var(--gris); flex: 1; }
.compartir-card .btn { margin-top: 4px; }
.qr-box {
  background: #fff; padding: 12px; border-radius: 12px; border: 1px solid var(--azul-borde);
  display: inline-flex; min-height: 150px; align-items: center; justify-content: center;
}
.qr-box img, .qr-box canvas { display: block; }

/* ============================================================
   Accesibilidad: control de tamaño de texto
   ============================================================ */
.a11y-bar {
  position: fixed; right: 16px; bottom: 16px; z-index: 200;
  display: flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--azul-borde); border-radius: 999px;
  box-shadow: var(--sombra-lg); padding: 8px 10px;
}
.a11y-bar span { font-size: 13px; font-weight: 700; color: var(--gris); padding: 0 4px; }
.a11y-btn {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--azul-borde);
  background: var(--azul-suave); color: var(--azul); font-weight: 800; cursor: pointer;
  font-family: var(--font-body); transition: var(--trans); line-height: 1;
}
.a11y-btn:hover { background: var(--azul); color: #fff; border-color: var(--azul); }
.a11y-btn.lg { font-size: 20px; }
.a11y-btn.sm { font-size: 14px; }
@media (max-width: 560px){
  .a11y-bar { right: 10px; bottom: 10px; padding: 6px 8px; }
  .a11y-bar span { display: none; }
  .a11y-btn { width: 34px; height: 34px; }
}
/* escala global por tamaño elegido */
html[data-text="grande"] body { font-size: 20px; }
html[data-text="extra"] body { font-size: 22px; }