/* ================================================================
     NOSOTROS — SISTEMA VISUAL UNIFICADO
     Se carga al final para normalizar los estilos heredados de cada
     componente sin alterar sus clases, IDs ni comportamiento JS.
  ================================================================ */
  :root {
      --us-bg-primary: #0b0b0a;
      --us-bg-secondary: #15130f;
      --us-bg-soft: #211e17;
      --us-text-primary: #f4efe3;
      --us-text-secondary: #d3c8b2;
      --us-text-muted: #a9a08f;
      --us-accent: #c9a84c;
      --us-accent-dark: #8e712a;
      --us-accent-soft: #e4c673;
      --us-border-color: rgba(201, 168, 76, .28);
      --us-shadow-soft: 0 12px 30px rgba(0, 0, 0, .24);
      --us-shadow-hover: 0 18px 38px rgba(0, 0, 0, .38);
      --us-radius-small: 8px;
      --us-radius-medium: 16px;
      --us-section-spacing: clamp(4.5rem, 8vw, 7.5rem);
      --us-font-display: 'Cormorant Garamond', 'Times New Roman', serif;
      --us-font-caps: 'Cormorant SC', 'Cormorant Garamond', serif;
      --us-font-body: 'Cormorant Garamond', 'Times New Roman', serif;
      --font-display: var(--us-font-display);
      --font-caps: var(--us-font-caps);
      --font-body: var(--us-font-body);
    }

  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    overflow-x: clip;
    background: var(--us-bg-primary);
    color: var(--us-text-primary);
    font-family: var(--us-font-body);
    line-height: 1.65;
  }
  main { display: block; }

  #principios,
  #acreditaciones,
  #identidad,
  #presencia,
  .test-section {
    padding: var(--us-section-spacing) clamp(1.25rem, 5vw, 4rem);
    position: relative;
  }
  #principios, #identidad, #acreditaciones, #presencia, .test-section { background: var(--site-background); }

  #principios .container,
  #acreditaciones .container,
  #identidad .container,
  #presencia .container,
  .test-section .test-inner {
    width: min(100%, 1180px);
    margin-inline: auto;
  }

  .section-eyebrow {
    align-items: center;
    color: var(--us-accent) !important;
    display: flex;
    font-family: var(--us-font-caps);
    font-size: .78rem;
    font-weight: 600;
    gap: .75rem;
    letter-spacing: .16em;
    line-height: 1.2;
    margin: 0 0 1rem;
    text-transform: uppercase;
  }
  .section-eyebrow::before,
  .section-eyebrow::after {
    background: var(--us-accent);
    content: '';
    display: inline-block;
    height: 1px;
    width: 2rem;
  }
  #principios .section-eyebrow::after,
  #acreditaciones .section-eyebrow::after,
  #identidad .section-eyebrow::after,
  #presencia .section-eyebrow::after { display: none; }

  .section-title,
  #presencia .section-title,
  .test-section .section-title {
    color: var(--us-text-primary) !important;
    font-family: var(--us-font-display);
    font-size: clamp(2.15rem, 4.5vw, 3.6rem) !important;
    font-weight: 600;
    letter-spacing: -.025em;
    line-height: 1.05;
    margin: 0 0 1rem;
  }
  .section-title em,
  #presencia .section-title em,
  .test-section .section-title em {
    color: var(--us-accent) !important;
    font-family: var(--us-font-display);
    font-style: italic;
    font-weight: 500;
  }
  .section-lead,
  #presencia .section-lead {
    color: var(--us-text-secondary) !important;
    font-family: var(--us-font-body);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem) !important;
    line-height: 1.65;
    margin: 0 0 clamp(2.5rem, 5vw, 4rem);
    max-width: 42rem;
  }

  /* Hero: conserva el video como ancla visual, con controles sobrios. */
  #hero { min-height: min(760px, 100vh); height: min(760px, 100vh); }
  #hero .hero-video-overlay {
    background: linear-gradient(180deg, rgba(8, 12, 16, .18), rgba(8, 12, 16, .72));
  }
  #hero .hero-grid-overlay { opacity: .28; }
  #hero .hero-btns { bottom: clamp(2.5rem, 7vw, 5rem); gap: .85rem; }
  #hero .btn-primary,
  #hero .btn-ghost {
    border-radius: var(--us-radius-small);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
    font-family: var(--us-font-caps);
    font-size: .78rem;
    letter-spacing: .12em;
    min-height: 3rem;
    padding: .85rem 1.5rem;
    text-transform: uppercase;
  }
  #hero .btn-primary {
    background: var(--us-accent);
    border-color: var(--us-accent);
    color: #fff;
  }
  #hero .btn-primary:hover,
  #hero .btn-primary:focus-visible {
    background: var(--us-accent-dark);
    border-color: var(--us-accent-dark);
    transform: translateY(-2px);
  }
  #hero .btn-ghost {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .72);
    color: #fff;
  }
  #hero .btn-ghost:hover,
  #hero .btn-ghost:focus-visible {
    background: rgba(255, 255, 255, .16);
    border-color: #fff;
    transform: translateY(-2px);
  }

  /* Principios */
  #principios .principles-grid {
    background: transparent;
    border: 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  #principios .principle-card {
    --accent: var(--us-accent);
    background: var(--us-bg-primary);
    border: 1px solid var(--us-border-color);
    border-radius: var(--us-radius-medium);
    box-shadow: var(--us-shadow-soft);
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  }
  #principios .principle-card:hover,
  #principios .principle-card:focus-within {
    background: var(--us-bg-primary);
    border-color: var(--us-accent-soft);
    box-shadow: var(--us-shadow-hover);
    transform: translateY(-3px);
  }
  #principios .principle-top { padding: clamp(1.5rem, 3vw, 2.25rem); gap: 1rem; }
  #principios .principle-icon { border-color: var(--us-accent); }
  #principios .principle-icon::after { border-color: var(--us-accent); }
  #principios .principle-icon svg { stroke: var(--us-accent); }
  #principios .principle-norm-badge,
  #principios .principle-detail-row .dr-label { color: var(--us-accent); }
  #principios .principle-title { color: var(--us-text-primary); font-family: var(--us-font-display); font-size: clamp(1.45rem, 2vw, 1.75rem); }
  #principios .principle-subtitle { color: var(--us-text-secondary); font-size: 1rem; line-height: 1.65; }
  #principios .principle-bar { background: var(--us-border-color); margin-inline: 2rem; }
  #principios .principle-bar-fill,
  #principios .principle-chevron::before,
  #principios .principle-chevron::after { background: var(--us-accent); }
  #principios .principle-expand { padding-inline: clamp(1.5rem, 3vw, 2.25rem); }
  #principios .principle-detail { border-top-color: var(--us-border-color); }
  #principios .principle-detail-row .dr-val { color: var(--us-text-primary); }

  /* Acreditaciones */
  #acreditaciones .accred-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  #acreditaciones .accred-card {
    background: var(--us-bg-primary);
    border: 1px solid var(--us-border-color);
    border-radius: var(--us-radius-medium);
    box-shadow: var(--us-shadow-soft);
    min-height: 15rem;
    padding: 1rem;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  }
  #acreditaciones .accred-card:hover,
  #acreditaciones .accred-card:focus-visible {
    border-color: var(--us-accent-soft);
    box-shadow: var(--us-shadow-hover);
    transform: translateY(-3px);
  }
  #acreditaciones .accred-card-img { border-radius: var(--us-radius-small); max-height: 8rem; object-fit: contain; }
  #acreditaciones .accred-card-iso,
  #acreditaciones .accred-card-num { color: var(--us-text-primary); font-family: var(--us-font-caps); letter-spacing: .08em; }
  #acreditaciones .accred-entity,
  #acreditaciones .accred-card-extra-desc { color: var(--us-text-muted); }
  #acreditaciones .accred-card--more { align-items: center; display: flex; flex-direction: column; justify-content: center; text-align: center; }
  #acreditaciones .accred-more-list { gap: 1rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #acreditaciones .accred-more-list.open { display: grid; }
  #acreditaciones .accred-more-list .accred-card { min-height: 14rem; }
  #acreditaciones .accred-modal-close,
  #acreditaciones .accred-modal-status--acred { color: var(--us-accent); }
  #acreditaciones .accred-modal-pdf-btn {
    background: rgba(138, 106, 34, .10);
    border: 1px solid rgba(138, 106, 34, .28);
    border-radius: 999px;
    color: var(--us-accent);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    letter-spacing: .08em;
    padding: .55rem .9rem;
    text-transform: uppercase;
  }
  #acreditaciones #accred-modal-overlay { background: rgba(24, 33, 42, .52); }
  #acreditaciones #accred-modal { background: var(--us-bg-primary); border: 1px solid var(--us-border-color); border-radius: var(--us-radius-medium); box-shadow: 0 24px 60px rgba(24, 33, 42, .18); color: var(--us-text-primary); }
  #acreditaciones .accred-modal-img-ph { display: none; }

  /* Identidad */
  #identidad .bento-grid { gap: 1rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #identidad .bento-card { --accent: var(--us-accent); min-height: 22rem; }
  #identidad .card-front { background: var(--us-bg-primary); border: 1px solid var(--us-border-color); border-radius: var(--us-radius-medium); box-shadow: var(--us-shadow-soft); }
  #identidad .bento-card:not(.is-flipped):hover .card-front { background: var(--us-bg-primary); border-color: var(--us-accent-soft); box-shadow: var(--us-shadow-hover); }
  #identidad .front-icon { border-color: var(--us-accent); }
  #identidad .front-icon::after { border-color: var(--us-accent); }
  #identidad .front-icon svg { stroke: var(--us-accent); }
  #identidad .front-label { color: var(--us-text-primary); font-family: var(--us-font-display); }
  #identidad .front-hint { color: var(--us-accent); font-family: var(--us-font-caps); }
  #identidad .card-back { background: var(--us-bg-soft); border-color: var(--us-accent); border-radius: var(--us-radius-medium); }
  #identidad .bento-label,
  #identidad .flip-hint { color: var(--us-accent-soft); border-color: var(--us-accent-soft); }
  #identidad .bento-card-title { color: #fff; font-family: var(--us-font-display); }
  #identidad .bento-card-text { color: rgba(255, 255, 255, .78); }

  /* Presencia */
  #presencia .presence-layout { align-items: center; display: grid; gap: clamp(2rem, 6vw, 5rem); grid-template-columns: minmax(0, 1fr) minmax(20rem, 24rem); margin-top: clamp(3rem, 6vw, 5rem); }
  #presencia .presence-note { border-left: 1px solid var(--us-accent); max-width: 28rem; padding: 1.5rem 0 1.5rem 2rem; }
  #presencia .presence-note-kicker { color: var(--us-accent); display: block; font-family: var(--us-font-caps); font-size: .75rem; letter-spacing: .18em; margin-bottom: .8rem; text-transform: uppercase; }
  #presencia .presence-note strong { color: var(--us-text-primary); display: block; font-family: var(--us-font-display); font-size: clamp(1.8rem, 3vw, 2.7rem); font-weight: 600; line-height: 1.05; }
  #presencia .presence-note p { color: var(--us-text-secondary); font-size: 1.05rem; line-height: 1.7; margin: 1rem 0 0; }
  #presencia .countries-grid { gap: 1rem; margin-top: 0; }
  #presencia .country-card { background: var(--us-bg-primary); border: 1px solid var(--us-border-color); border-radius: var(--us-radius-medium); box-shadow: var(--us-shadow-soft); width: min(100%, 22rem); }
  #presencia .country-card:hover { border-color: var(--us-accent-soft); box-shadow: var(--us-shadow-hover); transform: translateY(-6px); }
  #presencia .flag-banner { background: var(--us-accent); height: 3px; }
  #presencia .card-inner { padding: 2rem; }
  #presencia .country-flag-visual { border-color: var(--us-border-color); box-shadow: 0 6px 16px rgba(24, 33, 42, .08); }
  #presencia .country-name { color: var(--us-text-primary); font-family: var(--us-font-caps); font-size: 1.1rem; letter-spacing: .12em; }
  #presencia .country-divider,
  #presencia .country-divider.pe,
  #presencia .country-divider.cl { background: var(--us-accent); }
  #presencia .country-detail { color: var(--us-text-secondary); font-size: 1rem; line-height: 1.65; }

  /* Testimonios */
  .test-section { --t-gold: var(--us-accent); --t-bg: #211d16; --t-bg-alt: #342d22; --t-ink: var(--us-text-primary); --t-gray: var(--us-text-secondary); --t-line: rgba(201, 168, 76, .34); --t-font-display: var(--us-font-caps); --t-font-body: var(--us-font-body); }
  .test-section .test-inner { max-width: 860px; }
  .test-section .section-eyebrow { justify-content: center; }
  .test-section .section-title { text-align: center; }
  .test-section .test-progress { background: var(--us-border-color); margin-bottom: 2rem; }
  .test-section .test-progress-bar { background: var(--us-accent); width: 25%; }
  .test-section .test-card { border-radius: var(--us-radius-medium); box-shadow: var(--us-shadow-soft); padding: clamp(1.75rem, 5vw, 3.25rem); }
  .test-section .test-quote { color: var(--us-text-primary); font-size: clamp(1.15rem, 2vw, 1.35rem); }
  .test-section .test-logo { border-color: var(--us-accent-soft); }
  .test-section .test-btn { border-color: var(--us-border-color); }
  .test-section .test-btn:hover,
  .test-section .test-btn:focus-visible { border-color: var(--us-accent); transform: translateY(-2px); }
  .test-section .test-btn svg { stroke: var(--us-accent); }
  .test-section .test-dot.active { background: var(--us-accent); }

  /* Controles y accesibilidad */
  button, a, [tabindex="0"] { -webkit-tap-highlight-color: transparent; }
  button:focus-visible, a:focus-visible, [tabindex="0"]:focus-visible {
    outline: 3px solid rgba(138, 106, 34, .35);
    outline-offset: 3px;
  }

  @media (max-width: 1000px) {
    #principios .principles-grid,
    #acreditaciones .accred-grid,
    #acreditaciones .accred-more-list,
    #identidad .bento-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 640px) {
    #hero { height: min(680px, 100svh); min-height: 600px; }
    #hero .hero-btns { align-items: stretch; flex-direction: column; width: min(100% - 2.5rem, 21rem); }
    #hero .btn-primary, #hero .btn-ghost { justify-content: center; width: 100%; }
    #principios .principles-grid,
    #acreditaciones .accred-grid,
    #acreditaciones .accred-more-list,
    #identidad .bento-grid { grid-template-columns: 1fr; }
    #principios .principle-card, #identidad .bento-card { min-height: 19rem; }
    #presencia .presence-layout { grid-template-columns: 1fr; }
    #presencia .presence-note { max-width: none; }
    #presencia .country-card { width: 100%; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    #hero .hero-video { animation: none; }
    *, *::before, *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
  }

  /* Nosotros: entradas más ágiles sin cambiar el sistema global de otras páginas. */
  .us-page [data-reveal] {
    transition-duration: .48s;
    transition-delay: 0ms !important;
  }

  /* Las cartas mantienen una respuesta clara también con interacción táctil. */
  .us-page #principios .principle-card:active,
  .us-page #acreditaciones .accred-card:active,
  .us-page #identidad .bento-card:active,
  .us-page #presencia .country-card:active {
    transform: translateY(-2px) scale(.995);
  }