/* =========================================================
   Brainet Neurodesarrollo — brainetmx.com
   Hoja de estilos global. Un solo archivo controla todo el sitio.
   Cambios puntuales de una página: <style> en su <head>, no aquí.
   ========================================================= */

/* ---------- 1. Variables de marca ---------- */
:root {
  /* Paleta (tomada del logo y del Instagram de Brainet) */
  --color-azul: #6599FF;          /* cerebro del logo */
  --color-azul-medio: #4F7CEC;    /* textos de logo, enlaces */
  --color-azul-profundo: #26358F; /* títulos */
  --color-marino: #1D2869;        /* footer, fondos oscuros */
  --color-naranja: #FF6600;       /* corazón del logo (decorativo) */
  --color-naranja-btn: #D9480F;   /* botones: contraste AA con texto blanco */
  --color-naranja-hover: #B93C0C;
  --color-rosa: #E8508A;
  --color-morado: #7C4DDB;
  --color-amarillo: #F5B421;
  --color-turquesa: #17A398;

  --color-texto: #1F2650;
  --color-texto-suave: #4E5679;
  --color-fondo: #FFFFFF;
  --color-fondo-alt: #F2F6FF;
  --color-borde: #DCE5FB;

  /* Tipografía */
  --font-titulos: "Fredoka", "Trebuchet MS", sans-serif;
  --font-cuerpo: "Nunito", "Segoe UI", Arial, sans-serif;
  --font-mono: "Fira Mono", "DejaVu Sans Mono", Consolas, monospace; /* eco del logo */

  /* Medidas de marca (cambiar aquí, nunca en el HTML) */
  --logo-height: 60px;
  --logo-height-movil: 42px;
  --logo-footer-width: 200px;

  /* Estructura */
  --ancho-max: 1180px;
  --radio: 18px;
  --radio-grande: 32px;
  --sombra: 0 10px 30px rgba(38, 53, 143, 0.10);
  --sombra-suave: 0 4px 14px rgba(38, 53, 143, 0.08);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-cuerpo);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-texto);
  background: var(--color-fondo);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-azul-medio); }
a:hover { color: var(--color-azul-profundo); }
h1, h2, h3, h4 {
  font-family: var(--font-titulos);
  font-weight: 600;
  color: var(--color-azul-profundo);
  line-height: 1.2;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--color-naranja); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-marino); color: #fff; padding: .6rem 1rem; z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- 3. Estructura ---------- */
.container { width: 100%; max-width: var(--ancho-max); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-alt { background: var(--color-fondo-alt); }
.section-title { text-align: center; max-width: 760px; margin: 0 auto clamp(32px, 5vw, 52px); }
.section-title p { color: var(--color-texto-suave); font-size: 1.1rem; }

/* Etiqueta pequeña en monoespaciada, como la tipografía del logo */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--color-azul-medio);
  background: #fff;
  border: 1px solid var(--color-borde);
  border-radius: 999px;
  padding: .3rem .9rem;
  margin-bottom: 1rem;
}

/* ---------- 4. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-family: var(--font-titulos); font-weight: 500; font-size: 1.05rem;
  text-decoration: none; line-height: 1.2;
  padding: .9rem 1.5rem; border-radius: 999px;
  border: 2px solid transparent;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn-primary { background: var(--color-naranja-btn); color: #fff; }
.btn-primary:hover { background: var(--color-naranja-hover); color: #fff; }
.btn-outline { border-color: var(--color-azul-medio); color: var(--color-azul-profundo); background: #fff; }
.btn-outline:hover { background: var(--color-azul-profundo); border-color: var(--color-azul-profundo); color: #fff; }
.btn-outline-dark { border-color: #fff; color: #fff; background: transparent; }
.btn-outline-dark:hover { background: #fff; color: var(--color-marino); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-borde);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 78px; }
.logo { display: inline-flex; align-items: center; flex: none; }
.logo img { height: var(--logo-height); width: auto; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .3rem; }
.main-nav a {
  display: block; text-decoration: none; color: var(--color-texto);
  font-weight: 700; padding: .5rem .85rem; border-radius: 999px;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { background: var(--color-fondo-alt); color: var(--color-azul-profundo); }
.main-nav .nav-cta { margin-left: .5rem; }
.main-nav .nav-cta a { background: var(--color-naranja-btn); color: #fff; padding: .6rem 1.15rem; }
.main-nav .nav-cta a:hover { background: var(--color-naranja-hover); color: #fff; }
.menu-toggle {
  display: none; background: none; border: 2px solid var(--color-borde); border-radius: 12px;
  width: 46px; height: 46px; padding: 0; cursor: pointer; color: var(--color-azul-profundo);
}
.menu-toggle svg { width: 26px; height: 26px; margin: auto; }

/* ---------- 6. Hero (dividido: texto + foto) ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 92% 8%, rgba(101, 153, 255, .22), transparent 42%),
    radial-gradient(circle at 4% 96%, rgba(255, 102, 0, .10), transparent 38%),
    var(--color-fondo-alt);
  padding: clamp(40px, 6vw, 84px) 0 clamp(56px, 7vw, 96px);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero-content .lead { font-size: 1.2rem; color: var(--color-texto-suave); max-width: 560px; }
.hero-content h1 span { color: var(--color-azul-medio); }
.hero-dato { margin-top: 1.4rem; font-size: .98rem; color: var(--color-texto-suave); }
.hero-dato a { color: var(--color-texto); font-weight: 700; text-decoration: none; }
.hero-media { position: relative; margin: 0; }
.hero-foto { position: relative; }
.hero-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radio-grande) var(--radio-grande) var(--radio-grande) 90px;
  box-shadow: var(--sombra);
}
.hero-media::before { /* burbuja decorativa detrás de la foto */
  content: ""; position: absolute; inset: -18px -18px auto auto; width: 62%; height: 70%;
  background: var(--color-azul); opacity: .18; border-radius: var(--radio-grande); z-index: -1;
}
.hero-badge {
  position: absolute; left: -14px; bottom: 26px;
  display: flex; align-items: center; gap: .7rem;
  background: #fff; border-radius: 18px; padding: .75rem 1rem;
  box-shadow: var(--sombra); max-width: 240px;
}
.hero-badge strong { display: block; font-family: var(--font-titulos); font-size: 1.6rem; color: var(--color-naranja-btn); line-height: 1; }
.hero-badge span { font-size: .9rem; line-height: 1.3; color: var(--color-texto-suave); }
.hero-badge svg { width: 36px; height: 36px; flex: none; color: var(--color-naranja); }
.hero-caption { margin-top: .8rem; font-size: .9rem; color: var(--color-texto-suave); text-align: right; }

/* Franja de datos de confianza */
.trust-strip { background: #fff; border-bottom: 1px solid var(--color-borde); }
.trust-list {
  list-style: none; margin: 0; padding: 22px 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.trust-list li { display: flex; align-items: center; gap: .7rem; font-weight: 700; line-height: 1.3; }
.trust-list svg { width: 34px; height: 34px; flex: none; color: var(--color-azul-medio); }

/* ---------- 7. Tarjetas ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio);
  padding: 26px; box-shadow: var(--sombra-suave);
  display: flex; flex-direction: column;
}
.card p { color: var(--color-texto-suave); }
.card .card-link { margin-top: auto; font-weight: 800; text-decoration: none; }
.card .card-link::after { content: " →"; }

/* Iconos de color por área (técnica de sub-tema: cada clase cambia --tono) */
.icono {
  --tono: var(--color-azul-medio);
  width: 56px; height: 56px; border-radius: 16px; margin-bottom: 1rem;
  display: grid; place-items: center;
  color: var(--tono);
  background: color-mix(in srgb, var(--tono) 14%, #fff);
}
.icono svg { width: 30px; height: 30px; }
.tono-rosa { --tono: var(--color-rosa); }
.tono-morado { --tono: var(--color-morado); }
.tono-amarillo { --tono: #C98A00; }
.tono-turquesa { --tono: var(--color-turquesa); }
.tono-naranja { --tono: var(--color-naranja-btn); }
.tono-azul { --tono: var(--color-azul-medio); }

/* Áreas de preocupación (tarjetas compactas) */
.area-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.area {
  background: #fff; border-radius: var(--radio); padding: 22px;
  border: 1px solid var(--color-borde);
}
.area h3 { font-size: 1.12rem; margin-bottom: .3rem; }
.area p { font-size: .97rem; color: var(--color-texto-suave); margin: 0; }
.area .icono { width: 48px; height: 48px; border-radius: 14px; margin-bottom: .8rem; }
.area .icono svg { width: 26px; height: 26px; }
.nota-centro { text-align: center; margin-top: 2rem; color: var(--color-texto-suave); }

/* ---------- 8. Programas ---------- */
.programa {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 0;
  background: #fff; border-radius: var(--radio-grande); overflow: hidden;
  box-shadow: var(--sombra); margin-bottom: 28px;
}
.programa-intro { padding: clamp(26px, 4vw, 44px); color: #fff; background: var(--tono, var(--color-azul-medio)); display: flex; flex-direction: column; }
.programa-icono { width: 110px; height: 110px; margin-top: auto; align-self: flex-end; color: rgba(255, 255, 255, .22); }
.programa-intro h3 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.1rem); }
.programa-intro p { color: rgba(255, 255, 255, .92); }
.programa-intro .eyebrow { align-self: flex-start; background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .35); color: #fff; }
.programa-detalle { padding: clamp(26px, 4vw, 44px); }
.programa-kids { --tono: #3E63D8; }
.programa-primero { --tono: var(--color-morado); }
.check-list { list-style: none; padding: 0; margin: 0 0 1.4rem; }
.check-list li { position: relative; padding-left: 1.9rem; margin-bottom: .55rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--color-turquesa) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 70% no-repeat;
}
.datos-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.4rem; padding: 0; list-style: none; }
.datos-chips li {
  font-size: .92rem; font-weight: 700; color: var(--color-azul-profundo);
  background: var(--color-fondo-alt); border-radius: 999px; padding: .35rem .85rem;
}

/* ---------- 9. Proceso ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: paso; list-style: none; padding: 0; margin: 0; }
.process-grid li {
  position: relative; background: #fff; border-radius: var(--radio); padding: 28px 22px 22px;
  border: 1px solid var(--color-borde); counter-increment: paso;
}
.process-grid li::before {
  content: counter(paso);
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-azul); color: #fff; font-family: var(--font-titulos); font-weight: 600; font-size: 1.25rem;
  margin-bottom: 1rem;
}
.process-grid h3 { font-size: 1.12rem; }
.process-grid p { font-size: .97rem; color: var(--color-texto-suave); margin: 0; }

/* ---------- 10. Banda del lema ---------- */
.lema {
  background: linear-gradient(120deg, var(--color-marino), #3446B0);
  color: #fff; text-align: center; position: relative; overflow: hidden;
}
.lema blockquote {
  margin: 0 auto; max-width: 860px;
  font-family: var(--font-titulos); font-weight: 500;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem); line-height: 1.3;
}
.lema blockquote span { color: #FFB27A; }
.pilares { list-style: none; padding: 0; margin: 1.8rem 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.pilares li {
  font-family: var(--font-mono); font-size: .9rem; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, .4); border-radius: 999px; padding: .4rem 1rem;
}

/* ---------- 11. Nosotros (resumen) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.persona-list { list-style: none; padding: 0; margin: 1.2rem 0 1.6rem; display: grid; gap: 14px; }
.persona {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--color-borde); border-radius: var(--radio); padding: 18px;
}
.persona .inicial {
  flex: none; width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--font-titulos); font-size: 1.3rem; color: #fff;
  background: var(--color-azul);
}
.persona:nth-child(2) .inicial { background: var(--color-rosa); }
.persona h3 { font-size: 1.12rem; margin: 0 0 .15rem; }
.persona p { margin: 0; font-size: .97rem; color: var(--color-texto-suave); }
.equipo-panel {
  background: #fff; border-radius: var(--radio-grande); padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--sombra); border-top: 6px solid var(--color-naranja);
}
.equipo-panel img { border-radius: var(--radio); margin-bottom: 1.2rem; }

/* ---------- 12. Contacto y mapa ---------- */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(24px, 4vw, 44px); align-items: stretch; }
.contacto-lista { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: 16px; }
.contacto-lista li { display: flex; gap: .9rem; align-items: flex-start; }
.contacto-lista .icono { width: 46px; height: 46px; border-radius: 14px; margin: 0; flex: none; }
.contacto-lista .icono svg { width: 24px; height: 24px; }
.contacto-lista strong { display: block; font-family: var(--font-titulos); font-weight: 500; color: var(--color-azul-profundo); }
.contacto-lista a { font-weight: 700; color: var(--color-texto); text-decoration: none; }
.contacto-lista a:hover { color: var(--color-azul-medio); }
.mapa { border-radius: var(--radio-grande); overflow: hidden; box-shadow: var(--sombra); min-height: 360px; background: var(--color-borde); }
.mapa iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }

.notice-box {
  background: #FFF7EC; border: 1px solid #FFD9B0; border-radius: 14px; padding: 14px 18px;
  font-size: .95rem; color: var(--color-texto);
}

/* ---------- 13. Footer ---------- */
.site-footer { background: var(--color-marino); color: rgba(255, 255, 255, .85); padding: 60px 0 0; font-size: .97rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-logo { display: inline-block; }
.footer-logo img { width: var(--logo-footer-width); height: auto; margin-bottom: 1rem; }
.site-footer h3 { color: #fff; font-size: 1.05rem; margin-bottom: .9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a { color: rgba(255, 255, 255, .88); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  margin-top: 44px; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .15);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; font-size: .9rem; color: rgba(255, 255, 255, .7);
}
.redes { display: flex; gap: .6rem; margin-top: 1rem; }
.redes a {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}
.redes a:hover { background: rgba(255, 255, 255, .22); }
.redes svg { width: 20px; height: 20px; }

/* ---------- 14. Botón flotante de WhatsApp (lo crea script.js) ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 150;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .22);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.07); color: #fff; }
.wa-float svg { width: 32px; height: 32px; }

/* ---------- 15. Responsivo ---------- */
@media (max-width: 1040px) {
  .card-grid-4, .area-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .menu-toggle { display: grid; }
  .main-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--color-borde); box-shadow: var(--sombra);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 10px 20px 20px; gap: 2px; }
  .main-nav a { padding: .8rem 1rem; border-radius: 12px; }
  .main-nav .nav-cta { margin: .6rem 0 0; }
  .main-nav .nav-cta a { text-align: center; }

  .hero-grid, .split, .contacto-grid, .programa { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 560px; }
  .hero-media::before { display: none; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .logo img { height: var(--logo-height-movil); }
  .header-inner { min-height: 66px; }
  .card-grid, .card-grid-2, .card-grid-4, .area-grid, .process-grid, .footer-grid, .trust-list { grid-template-columns: 1fr; }
  .btn-row .btn { width: 100%; }
  .hero-badge { left: 10px; bottom: 12px; padding: .6rem .8rem; }
  .hero-badge strong { font-size: 1.35rem; }
  .hero-caption { text-align: left; }
  .area { display: grid; grid-template-columns: 48px 1fr; gap: 0 14px; align-items: start; }
  .area .icono { grid-row: span 2; margin: 0; }
  .programa-icono { display: none; }
  .wa-float { width: 54px; height: 54px; right: 14px; bottom: 14px; }
  .wa-float svg { width: 28px; height: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .wa-float { transition: none; }
  .btn:hover { transform: none; }
}

@media print {
  .site-header, .wa-float, .mapa, .site-footer .redes { display: none !important; }
  body { font-size: 11pt; }
}