/* ---------------------------
   VARIABLES Y ESTILOS GLOBALES
---------------------------- */
:root {
  /* Colores base */
  --primary: #b9a90e;
  --primary-600: #9e920c;
  --primary-700: #867e0a;

  --ink: #2b2b2b;
  --ink-2: #555;
  --ink-3: #6c757d;

  --surface: #ffffff;
  --surface-2: #f8f9fa;
  --border: #e9ecef;

  --brand-dark: #433f3e;

  /* Tipografía fluida */
  --fs-hero: clamp(2rem, 2vw + 1.6rem, 3rem);
  --fs-h2: clamp(1.35rem, 0.7vw + 1rem, 1.9rem);
  --fs-h3: clamp(1.1rem, 0.4vw + 0.95rem, 1.4rem);
  --fs-body: clamp(0.98rem, 0.2vw + 0.9rem, 1.05rem);
  --lh: 1.7;

  /* Espaciado y radios */
  --space-1: .5rem;
  --space-2: .75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  --radius-sm: .5rem;
  --radius: .75rem;
  --radius-lg: 1rem;
  --pill: 999px;

  /* Sombras */
  --shadow-1: 0 2px 8px rgba(0,0,0,.06);
  --shadow-2: 0 6px 20px rgba(0,0,0,.10);
  --shadow-3: 0 12px 30px rgba(0,0,0,.12);

  /* Efectos */
  --ring: 0 0 0 3px rgba(185, 169, 14, .25);
  --transition: 220ms cubic-bezier(.2,.8,.2,1);

  /* Layout */
  --container: 1140px;
}

/* Dark mode opcional (según preferencia del sistema) */
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #111314;
    --surface-2: #181a1b;
    --ink: #eaeaea;
    --ink-2: #cfcfcf;
    --ink-3: #a7aeb6;
    --border: #262a2d;
    --shadow-1: 0 2px 8px rgba(0,0,0,.4);
    --shadow-2: 0 6px 20px rgba(0,0,0,.5);
    --shadow-3: 0 12px 30px rgba(0,0,0,.55);
  }
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Lato', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  margin: 0;
  color: var(--ink);
  line-height: var(--lh);
  background-color: var(--surface);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Tipos */
h1, h2, h3, h4 { color: var(--brand-dark); line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: var(--fs-hero); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: var(--fs-h2); font-weight: 600; color: var(--ink-3); }
h3 { font-size: var(--fs-h3); font-weight: 700; }
p  { font-size: var(--fs-body); margin: 0 0 1rem; color: var(--ink); }

/* Enlaces y accesibilidad */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition), transform var(--transition), background-color var(--transition);
}
a:hover { color: var(--brand-dark); }
:focus { outline: none; }
:focus-visible { box-shadow: var(--ring); border-radius: .25rem; }

/* Secciones */
section { padding: min(8vw, 80px) 0; }
.text-center-container { max-width: 800px; margin: 0 auto var(--space-4); text-align: center; }
.section-subtitle {
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: .5rem;
  font-size: .9rem;
}

/* ---------------------------
   HEADER / NAV (logo integrado)
---------------------------- */
.site-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
  padding: 10px 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 72px;
}

/* LOGO */
.logo {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.logo img {
  position: static !important;   /* adiós absolute */
  max-height: 64px;              /* tamaño cómodo móvil */
  width: auto;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.06));
}


.logo img:hover { transform: scale(1.04); }

/* 2) Botón hamburguesa (oculto en desktop) */
.nav-toggle {
  display: none;
  -webkit-tap-highlight-color: transparent;
  background: none;
  border: 0;
  padding: 8px;
  margin-left: auto;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 220ms cubic-bezier(.2,.8,.2,1), opacity 220ms, width 220ms;
}
.nav-toggle span + span { margin-top: 5px; }


/* NAV LINKS */
.main-nav ul {
  display: flex; align-items: center;
  list-style: none; gap: 30px;
  margin: 0; padding: 0;
}
.main-nav a {
  font-weight: 500;
  color: var(--ink);
  font-size: 1rem;
  padding: 8px 6px;
  border-radius: 6px;
}
.main-nav a:hover { color: var(--primary); background-color: var(--surface-2); }

/* CTA */
.header-cta a {
  background-color: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 800;
  letter-spacing: .01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  box-shadow: var(--shadow-1);
}
.header-cta a:hover { background-color: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-2); }

/* ---------------------------
   HERO
---------------------------- */
.hero { background-color: var(--surface-2); }
.hero-content { max-width: var(--container); margin: auto; padding: 0 20px; }
.hero-text-container { max-width: 820px; margin-bottom: var(--space-6); }

.hero-benefits { list-style: none; margin: var(--space-4) 0; padding: 0; display: grid; gap: .85rem; }
.hero-benefits li {
  display: grid; grid-template-columns: 24px 1fr; align-items: start; gap: .75rem;
  font-size: 1.05rem; color: var(--ink-2);
}
.hero-benefits svg { color: var(--primary); min-width: 24px; stroke-width: 1.5; }

.hero-buttons .btn-primary {
  display: inline-block;
  padding: .95rem 2rem;
  background-color: var(--primary);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
  border-radius: var(--pill);
  border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  box-shadow: var(--shadow-1);
}
.hero-buttons .btn-primary:hover { transform: translateY(-3px); background-color: var(--brand-dark); box-shadow: var(--shadow-2); }
.hero-buttons .btn-primary:active { transform: translateY(-1px); box-shadow: var(--shadow-1); }

.btn-accent {
  background-color: var(--primary);
  color: #fff;
  padding: .8rem 1.6rem;
  border-radius: var(--pill);
  font-weight: 800;
  display: inline-block;
  border: 2px solid transparent;
  box-shadow: var(--shadow-1);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
}
.btn-accent:hover {
  background-color: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: transparent;
}

/* ---------------------------
   ABOUT / EL CURSO
---------------------------- */
.about-us-section { background-color: var(--surface); }
.about-us-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: center;
}
.about-us-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  width: 100%; height: auto;
  transition: transform var(--transition), box-shadow var(--transition);
}
.about-us-image img:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); }
.about-us-content strong { color: var(--primary); }

/* Logos del hero */
.hero-logos { text-align: center; }
.hero-logos p { font-size: .95rem; font-weight: 500; color: var(--ink-3); margin-bottom: 1rem; }
.hero-logos div { display: flex; justify-content: center; align-items: center; gap: clamp(1rem, 5vw, 3.5rem); flex-wrap: wrap; }
.hero-logos img { max-height: 32px; filter: grayscale(100%); opacity: .7; transition: opacity var(--transition), filter var(--transition); }
.hero-logos img:hover { opacity: .9; filter: grayscale(0%); }

/* ---------------------------
   SERVICES / TEMARIO
---------------------------- */
.services-section { background-color: var(--surface-2); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.service-card {
  background-color: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.service-card h3 { margin-top: 0; }
.service-card ul { padding-left: 1.125rem; margin: 0; color: var(--ink-2); }
.service-card li { margin-bottom: .6rem; }

/* ---------------------------
   TRUST / PRÁCTICAS
---------------------------- */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: min(5vw, 50px);
  align-items: center;
}
.tech-logos { margin-top: 1rem; }
.tech-logos img, .trust-logos img {
  margin: .5rem;
      border-radius: var(--radius);
    box-shadow: var(--shadow-2);
}
.tech-logos img:hover, .trust-logos img:hover { opacity: .95; filter: grayscale(0%); transform: translateY(-2px); }
.trust-logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1rem; }

/* ---------------------------
   STRATEGY / METODOLOGÍA
---------------------------- */
.strategy-section { background-color: var(--surface-2); }
.strategy-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: min(5vw, 50px);
  align-items: center;
}
.strategy-image img { border-radius: var(--radius); box-shadow: var(--shadow-2); }
.strategy-list { list-style: none; padding: 0; margin: 0; }
.strategy-item { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; align-items: start; margin-bottom: 1.15rem; }
.strategy-icon {
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  min-width: 48px; height: 48px;
  display: grid; place-items: center;
  box-shadow: var(--shadow-1);
}
.strategy-text h3 { margin: 0 0 .25rem; }
.strategy-text p { margin: 0; color: var(--ink-2); }

/* ---------------------------
   ADVANTAGES
---------------------------- */
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.advantage-item { display: grid; grid-template-columns: 28px 1fr; gap: .9rem; align-items: start; }
.advantage-icon { color: var(--primary); }
.advantage-text h3 { margin: 0 0 .25rem; font-size: 1.15rem; }
.advantage-text p { margin: 0; color: var(--ink-2); }

/* ---------------------------
   FAQ
---------------------------- */
.faq-section { background-color: var(--surface-2); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); transition: background-color var(--transition); }
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  font-size: 1.1rem;
  font-weight: 800;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 2rem;
  outline: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute; right: .25rem; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--primary); font-weight: 400;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { content: '−'; transform: translateY(-50%) rotate(180deg); }
.faq-content { padding: 0 0 1rem; color: var(--ink-2); }

/* ---------------------------
   CTA FINAL
---------------------------- */
.final-cta-section {
  background: linear-gradient(180deg, color-mix(in oklab, var(--primary) 92%, #000 0%) 0%, var(--primary) 100%);
  color: #fff;
  padding: var(--space-5) 0;
  text-align: center;
}
.final-cta-section h3 { color: var(--brand-dark); font-size: clamp(1.4rem, 1vw + 1rem, 2rem); }
.cta-link {
  display: inline-block;
  background: var(--brand-dark);
  color: #fff;
  padding: .95rem 2rem;
  border-radius: var(--pill);
  font-weight: 900;
  margin-top: 1rem;
  box-shadow: var(--shadow-2);
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition), color var(--transition);
}
.cta-link:hover { background-color: var(--surface-2); color: var(--brand-dark); transform: translateY(-3px); box-shadow: var(--shadow-3); }

/* ---------------------------
   FOOTER
---------------------------- */
.site-footer {
  background-color: var(--brand-dark);
  color: #c9d1d9;
  padding: var(--space-5) 0;
  font-size: .95rem;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.footer-column h4 { color: #fff; margin: 0 0 1rem; font-weight: 800; }
.footer-column ul { list-style: none; margin: 0; padding: 0; }
.footer-column li { margin-bottom: .6rem; }
.footer-column a { color: #c9d1d9; }
.footer-column a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.social-links { display: flex; gap: .9rem; }
.social-links a { color: #fff; font-size: 1.15rem; opacity: .9; transition: opacity var(--transition), transform var(--transition); }
.social-links a:hover { opacity: 1; transform: translateY(-2px); }

/* ---------------------------
   WHATSAPP FAB
---------------------------- */
.whatsapp-fab {
  position: fixed;
  bottom: max(25px, env(safe-area-inset-bottom));
  right: max(25px, env(safe-area-inset-right));
  width: 60px; height: 60px;
  background-color: #25D366;
  color: #fff; border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: var(--shadow-2);
  z-index: 1100;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab:hover { transform: translateY(-3px) scale(1.03); box-shadow: var(--shadow-3); }
.whatsapp-fab svg { width: 32px; height: 32px; }

/* ---------------------------
   RESPONSIVE
---------------------------- */
@media (max-width: 1200px) {
  .logo img { max-height: 82px; }
}

@media (max-width: 992px) {
  .about-us-grid, .trust-grid, .strategy-grid, .footer-grid { grid-template-columns: 1fr; }
  .strategy-grid { grid-template-areas: "content" "image"; }
  .strategy-image { grid-area: image; margin-top: 1.25rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav-container { flex-direction: column; gap: 15px; }
  .logo img { max-height: 74px; top: 0; }
  .main-nav ul { flex-wrap: wrap; justify-content: center; gap: 18px; }
}

@media (max-width: 768px) {
  section { padding: 48px 0; }
  .hero-text-container, .hero-logos { text-align: center; max-width: 100%; }
  .hero-benefits { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .social-links { justify-content: center; }
  .logo img { max-height: 64px; }
}

/* ---------------------------
   REDUCED MOTION
---------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}


/* --- SECCIÓN RECONOCIMIENTOS Y PREMIOS --- */
.awards-section {
  background-color: var(--light-gray);
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
}

.awards-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.75rem;
}

.awards-text {
  color: var(--text-color-light);
  max-width: 700px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

.awards-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 30px;
  align-items: center;
  justify-items: center;
}

.awards-logos img {
  max-height: 70px;
  width: auto;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
  background: #fff;
  padding: 10px;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.awards-logos img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Responsive */
@media (max-width: 768px) {
  .awards-logos {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
  }
  .awards-logos img {
    max-height: 60px;
  }
}


.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255,255,255,.08); /* visible en footer oscuro */
  color: #fff;                       /* usa currentColor en SVG */
  transition: transform 220ms cubic-bezier(.2,.8,.2,1), background-color 220ms, opacity 220ms;
}

.social-links a + a { margin-left: 10px; }

.social-links a:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.18);
  opacity: 1;
}

.social-links svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* 3) Menú como panel en mobile (por defecto cerrado) */
@media (max-width: 992px) {
  .site-header { padding: 8px 0; }
  .nav-container {
    display: grid;
    grid-template-columns: auto 1fr auto; /* logo | toggle ocupa centro | cta */
    align-items: center;
    gap: 12px;
  }

  .nav-toggle { display: inline-block; justify-self: end; }

  /* CTA compacta */
  .header-cta a {
    padding: 8px 14px;
    border-radius: 20px;
    font-weight: 800;
  }

  /* El nav baja como desplegable */
  .main-nav {
    position: fixed;
    left: 0; right: 0;
    top: calc(64px + 10px); /* altura aproximada del header */
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 220ms cubic-bezier(.2,.8,.2,1), opacity 220ms;
    z-index: 999;
  }
  /* cuando abre */
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0;
    padding: 8px;
  }
  .main-nav a {
    display: block;
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: 10px;
    background: transparent;
  }
  .main-nav a:hover {
    background: var(--surface-2);
    color: var(--brand-dark);
  }

  /* Ajustes de logo y header cuando el menú está abierto: bloqueo del scroll */
  body.nav-open { overflow: hidden; }

  /* convierte el icono hamburguesa en 'X' cuando está abierto */
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* 4) Desktop: logo más grande, menú inline, botón oculto */
@media (min-width: 993px) {
  .logo img { max-height: 90px; }
  .nav-toggle { display: none; }
  .main-nav {
    position: static;
    opacity: 1; transform: none; pointer-events: auto;
    box-shadow: none; border-top: 0;
  }
  .main-nav ul {
    display: flex; flex-direction: row; gap: 30px; padding: 0;
  }
}

/* 5) Pequeños ajustes extra en móviles estrechos */
@media (max-width: 480px) {
  .logo img { max-height: 56px; }
  .main-nav { top: calc(56px + 12px); }
  .header-cta a { padding: 7px 12px; font-size: .95rem; }
}