/* ====================================================================
   CENFIC · CAPA BASE
   Centro Nacional de Formación, Investigación y Consultoría
   --------------------------------------------------------------------
   Estructura, tipografía y componentes base del portal.
   Orden de carga:  base.css  →  premium.css  →  <modulo>.css
==================================================================== */


/* ====================================================================
   00. FUENTES
==================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Sora:wght@500;600;700;800&display=swap");


/* ====================================================================
   01. VARIABLES GLOBALES
   Paleta tomada del diseño aprobado: navy profundo + dorado bronce +
   azul eléctrico para la acción principal.
==================================================================== */

:root {
  /* --- Fondo institucional --- */
  --cenfic-night: #050D1A;
  --cenfic-navy: #071426;
  --cenfic-navy-2: #0A1E38;
  --cenfic-navy-3: #123456;

  /* --- Dorado corporativo (marca) --- */
  --cenfic-gold: #C4A47C;
  --cenfic-gold-2: #A6835A;
  --cenfic-gold-soft: #E8D5BC;
  --cenfic-gold-glow: rgba(196, 164, 124, 0.28);

  /* --- Azul de acción --- */
  --cenfic-blue: #2B4BD1;
  --cenfic-blue-2: #1E37A8;
  --cenfic-blue-soft: #6E92F0;
  --cenfic-blue-glow: rgba(43, 75, 209, 0.38);

  /* --- Texto --- */
  --text-strong: #FFFFFF;
  --text-base: #E3EAF4;
  --text-muted: #9DAEC4;
  --text-dim: #7A8AA0;

  /* --- Superficies de vidrio --- */
  --glass: rgba(255, 255, 255, 0.045);
  --glass-2: rgba(255, 255, 255, 0.075);
  --glass-line: rgba(255, 255, 255, 0.10);
  --glass-line-2: rgba(255, 255, 255, 0.16);

  /* --- Tipografía --- */
  --font-heading: "Sora", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  /* --- Radios --- */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* --- Sombras --- */
  --shadow-sm: 0 8px 22px rgba(2, 8, 20, 0.35);
  --shadow-md: 0 20px 50px rgba(2, 8, 20, 0.45);
  --shadow-lg: 0 34px 90px rgba(2, 8, 20, 0.60);

  /* --- Medidas --- */
  --header-h: clamp(48px, 4.69vw, 84px);
  --container: 1760px;
}


/* ====================================================================
   02. BASE / RESET
==================================================================== */

* {
  box-sizing: border-box;
}

html {
  /* `clip` recorta igual que `hidden` pero NO convierte la página en un
     contenedor de scroll, que es lo que impedía que la cabecera se
     quedase fija. La línea `hidden` queda como respaldo para navegadores
     antiguos que no entienden `clip`. */
  overflow-x: hidden;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-real, var(--header-h)) + 16px);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text-base);
  background: var(--cenfic-navy);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea,
a {
  font: inherit;
}

img,
svg {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--text-strong);
  letter-spacing: -0.035em;
  line-height: 1.14;
}

p {
  line-height: 1.68;
  color: var(--text-muted);
}

:focus-visible {
  outline: 2px solid var(--cenfic-gold);
  outline-offset: 3px;
  border-radius: 6px;
}


/* ====================================================================
   03. CONTENEDOR
==================================================================== */

.container {
  width: min(var(--container), 100%);
  margin-inline: auto;
  padding-inline: clamp(20px, 6vw, 105px);
}


/* ====================================================================
   04. HEADER Y NAVEGACIÓN
==================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  /* Altura flexible: la barra CRECE hasta contener la marca. Antes tenía
     una altura fija y el logotipo, más alto que ella, se salía por abajo
     y se encimaba al texto de la página al hacer scroll. */
  min-height: var(--header-h);
  padding-block: clamp(6px, 0.62vw, 11px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-inline: clamp(18px, 4.2vw, 56px);
  overflow: visible;
  transition: background 0.28s ease, border-color 0.28s ease;
  border-bottom: 1px solid transparent;
}

/* --- Marca --- */
.brand {
  display: flex;
  align-items: center;
  gap: clamp(8px, 0.9vw, 15px);
  flex-shrink: 0;
}

.brand-mark {
  display: block;
  /* Ajustado para caber dentro de la barra. Antes llegaba a 142 px, casi
     el doble que la cabecera, y por eso sobresalía. */
  height: clamp(40px, 4.3vw, 70px);
  flex-shrink: 0;
}

.brand-mark img {
  height: 100%;
  width: auto;
  display: block;
}

.brand-text {
  display: block;
  line-height: 1;
}

.brand-name {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(22px, 2.5vw, 40px);
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.brand-legend {
  display: block;
  margin-top: 4px;
  /* Ancho holgado a propósito: así la leyenda cabe en dos líneas y la
     barra no se estira. */
  max-width: clamp(150px, 19vw, 300px);
  font-size: clamp(7.5px, 0.7vw, 11px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #EDEFF2;
}

/* --- Menú --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 24px);
  margin-left: auto;
}

.site-nav a {
  position: relative;
  font-size: clamp(11px, 0.98vw, 17px);
  font-weight: 500;
  color: var(--text-base);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 1.5px;
  background: var(--cenfic-gold);
  transition: width 0.26s ease;
}

.site-nav a:not(.nav-cta):hover {
  color: var(--text-strong);
}

.site-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

/* --- Botón dorado del menú --- */
.nav-cta {
  padding: clamp(8px, 0.78vw, 12px) clamp(14px, 1.56vw, 27px);
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--cenfic-gold) 0%, var(--cenfic-gold-2) 100%);
  color: #FFF6EA !important;
  font-weight: 600 !important;
  font-size: clamp(10.5px, 0.94vw, 14px) !important;
  box-shadow: 0 10px 24px rgba(166, 131, 90, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
  box-shadow: 0 14px 30px rgba(166, 131, 90, 0.38);
}

/* --- Hamburguesa (móvil / tablet) --- */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--glass-line-2);
  border-radius: 12px;
  background: var(--glass);
  color: var(--text-strong);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
}


/* ====================================================================
   05. BOTONES
==================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: clamp(11px, 1.16vw, 17px) clamp(20px, 2.34vw, 34px);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: clamp(12.5px, 1.12vw, 19.5px);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
              background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* Azul sólido: acción principal */
.btn-primary {
  background: linear-gradient(135deg, #3358E0 0%, var(--cenfic-blue) 55%, var(--cenfic-blue-2) 100%);
  color: #FFFFFF;
  box-shadow: 0 14px 32px var(--cenfic-blue-glow);
}

.btn-primary:hover {
  box-shadow: 0 20px 44px var(--cenfic-blue-glow);
}

/* Contorno claro: acción secundaria */
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--text-strong);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.55);
}

/* Dorado: acción de marca */
.btn-gold {
  background: linear-gradient(135deg, var(--cenfic-gold) 0%, var(--cenfic-gold-2) 100%);
  color: #FFF6EA;
  box-shadow: 0 14px 32px rgba(166, 131, 90, 0.30);
}

.btn-gold:hover {
  filter: brightness(1.07);
}

.btn-ghost {
  background: var(--glass);
  border-color: var(--glass-line);
  color: var(--text-base);
}

.btn-ghost:hover {
  background: var(--glass-2);
  color: var(--text-strong);
}

.btn--full {
  width: 100%;
}


/* ====================================================================
   06. HERO
==================================================================== */

.hero {
  position: relative;
  padding-block: clamp(34px, 4.2vw, 58px) clamp(60px, 8vw, 100px);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.61fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(30px, 5.8vw, 84px);
}

/* --- Columna de texto --- */
.hero__title {
  margin: 0 0 22px;
  font-size: clamp(27px, 3.32vw, 58px);
  font-weight: 800;
  line-height: 1.13;
  letter-spacing: -0.042em;
}

.hero__title em {
  font-style: normal;
  color: var(--cenfic-gold);
}

.hero__lead {
  margin: 0 0 32px;
  max-width: 62ch;
  font-size: clamp(13px, 1.27vw, 22px);
  line-height: 1.72;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: clamp(26px, 2.6vw, 34px);
}

/* --- Tarjetas de nivel (Básico / Intermedio / Avanzado) --- */
.levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.level-card {
  padding: clamp(13px, 1.46vw, 21px) clamp(13px, 1.46vw, 21px) clamp(14px, 1.56vw, 27px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-md);
  background: var(--glass);
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.level-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-line-2);
  background: var(--glass-2);
}

.level-card__head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 12px;
}

.level-card__icon {
  display: grid;
  place-items: center;
  width: clamp(27px, 2.54vw, 44px);
  height: clamp(27px, 2.54vw, 44px);
  border-radius: 9px;
  flex-shrink: 0;
}

.level-card__icon svg {
  width: 17px;
  height: 17px;
}

.level-card__icon--blue {
  background: rgba(60, 105, 220, 0.20);
  border: 1px solid rgba(110, 146, 240, 0.28);
  color: #8FB0F7;
}

.level-card__icon--gold {
  background: rgba(196, 164, 124, 0.18);
  border: 1px solid rgba(196, 164, 124, 0.30);
  color: var(--cenfic-gold);
}

.level-card__head h3 {
  margin: 0;
  font-size: clamp(13px, 1.17vw, 20px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.level-card p {
  margin: 0;
  font-size: clamp(10.5px, 0.95vw, 16.5px);
  line-height: 1.62;
  color: var(--text-dim);
}


/* ====================================================================
   07. PANEL SIMULADOR (mock de la aplicación)
==================================================================== */

.app-mock {
  position: relative;
  padding-top: 26px;
}

/* --- Pestaña flotante "Simulador" --- */
.app-mock__tab {
  position: absolute;
  top: 0;
  left: 18px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: clamp(6px, 0.7vw, 10px) clamp(12px, 1.4vw, 20px) clamp(6px, 0.7vw, 10px) clamp(6px, 0.7vw, 10px);
  border: 1px solid var(--glass-line-2);
  border-radius: var(--radius-pill);
  background: rgba(10, 24, 44, 0.92);
  box-shadow: var(--shadow-sm);
  font-size: clamp(10.2px, 0.93vw, 16px);
  font-weight: 600;
  color: var(--text-strong);
  backdrop-filter: blur(10px);
}

.app-mock__tab-ic {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(135deg, #3358E0, var(--cenfic-blue-2));
  color: #FFFFFF;
}

.app-mock__tab-ic svg {
  width: 13px;
  height: 13px;
}

/* --- Ventana --- */
.app-window {
  display: grid;
  grid-template-columns: clamp(42px, 4.1vw, 72px) minmax(0, 1fr);
  min-height: 300px;
  border: 1px solid var(--glass-line-2);
  border-radius: var(--radius-lg);
  background: rgba(9, 22, 41, 0.55);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

/* --- Barra lateral de iconos --- */
.app-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 0;
  border-right: 1px solid var(--glass-line);
  background: rgba(255, 255, 255, 0.025);
}

.app-rail__btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.app-rail__btn svg {
  width: 15px;
  height: 15px;
}

.app-rail__btn:hover {
  color: var(--text-base);
  background: rgba(255, 255, 255, 0.06);
}

.app-rail__btn.is-active {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--glass-line-2);
}

.app-rail__spacer {
  flex: 1;
}

/* --- Contenido --- */
.app-body {
  padding: clamp(20px, 2.5vw, 44px) clamp(12px, 1.6vw, 28px) clamp(18px, 2.2vw, 38px);
}

.app-body__title {
  margin: 0 0 20px;
  font-size: clamp(14px, 1.56vw, 27px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.app-list {
  display: grid;
  gap: clamp(7px, 0.84vw, 15px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-list__item {
  display: flex;
  align-items: center;
  gap: clamp(8px, 0.86vw, 13px);
  padding: clamp(7px, 0.82vw, 14.5px) clamp(9px, 1.1vw, 19px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.045);
  font-size: clamp(10.2px, 0.93vw, 16px);
  font-weight: 500;
  color: var(--text-base);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.app-list__item:hover {
  background: rgba(255, 255, 255, 0.085);
  border-color: var(--glass-line-2);
  transform: translateX(3px);
}

.app-list__item svg {
  width: clamp(12px, 1.25vw, 21px);
  height: clamp(12px, 1.25vw, 21px);
  flex-shrink: 0;
  color: var(--text-muted);
}



/* ====================================================================
   08. SECCIONES GENÉRICAS
==================================================================== */

.section {
  position: relative;
  padding-block: clamp(56px, 7vw, 96px);
}

.section-head {
  max-width: 660px;
  margin-bottom: clamp(30px, 3.6vw, 48px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 14px;
  border: 1px solid rgba(196, 164, 124, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(196, 164, 124, 0.09);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--cenfic-gold);
}

.eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cenfic-gold);
}

.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 2.9vw, 38px);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.section-head p {
  margin: 0;
  font-size: 15px;
}


/* ====================================================================
   09. FOOTER
==================================================================== */

.footer {
  border-top: 1px solid var(--glass-line);
  background: rgba(3, 10, 22, 0.55);
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 34px;
  padding-block: clamp(40px, 5vw, 62px);
}

.footer__brand .brand {
  margin-bottom: 16px;
}

.footer__brand p {
  max-width: 40ch;
  font-size: 13px;
}

.footer__col h4 {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--cenfic-gold);
}

.footer__col ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__col a {
  font-size: 13.2px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer__col a:hover {
  color: var(--text-strong);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 20px;
  border-top: 1px solid var(--glass-line);
  font-size: 12.5px;
  color: var(--text-dim);
}


/* ====================================================================
   10. UTILIDADES Y ANIMACIONES
==================================================================== */

.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;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}


/* ====================================================================
   11. RESPONSIVE
==================================================================== */

/* En escritorio el hero es ligeramente asimétrico: el diseño deja más
   margen a la derecha del panel que a la izquierda del titular. */
@media (min-width: 1181px) {
  .hero > .container {
    padding-right: clamp(56px, 9.2vw, 160px);
  }

  /* Ancho de línea del titular, proporcional como en el diseño */
  .hero__title {
    max-width: 46vw;
  }
}

@media (max-width: 1180px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  /* La marca y la hamburguesa se mantienen por encima del panel */
  .brand,
  .menu-toggle {
    position: relative;
    z-index: 2;
  }

  /* Velo que oscurece la página mientras el menú está abierto.
     Vive dentro de la cabecera (z-index 60), por eso tapa el contenido
     de `main` aunque su z-index sea negativo. */
  .site-header::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background: rgba(3, 8, 18, 0.7);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    touch-action: none;
    transition: opacity 0.24s ease, visibility 0.24s;
  }

  body.menu-open .site-header::after {
    opacity: 1;
    visibility: visible;
    /* Captura toques y clics: la página de detrás queda inerte y, de
       paso, tocar el velo cierra el menú. */
    pointer-events: auto;
  }

  .site-nav {
    position: fixed;
    /* --nav-top lo calcula el JS con la altura real de la cabecera,
       para que el panel abra justo debajo del logotipo. */
    top: var(--nav-top, var(--header-h));
    right: 0;
    left: 0;
    bottom: auto;
    z-index: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px clamp(18px, 5vw, 34px) 24px;
    max-height: calc(100dvh - var(--nav-top, var(--header-h)));
    overflow-y: auto;
    overscroll-behavior: contain;
    border-bottom: 1px solid var(--glass-line);
    /* Color sólido, sin transparencia: el menú nunca debe dejar leer
       el texto de la página por debajo. */
    background: #071426;
    box-shadow: var(--shadow-md);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
  }

  .site-nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: 13px 4px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    margin-top: 14px;
    text-align: center;
    justify-content: center;
    border-bottom: 0 !important;
    padding: 13px 20px !important;
    font-size: 14px !important;
  }

  /* Ojo: aquí NO se pone `overflow: hidden` en el body. Eso convierte al
     body en contenedor de scroll y la cabecera deja de quedarse fija,
     con lo que el botón de cerrar se iría de pantalla. El velo de arriba
     ya deja la página de detrás inerte. */

  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .app-mock {
    max-width: 520px;
  }
}

@media (max-width: 780px) {
  .levels {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__actions .btn {
    flex: 1 1 100%;
  }

  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .brand-legend {
    display: none;
  }

  .app-list__item {
    font-size: 12px;
    padding: 10px 11px;
  }

  .footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}