/* Barret Blau — hoja de estilos
   Paleta y tipografía clonadas del sitio original: PT Sans, texto #303030,
   acento azul #1279BE, botones azul marino #090554. */

:root {
  --text: #303030;
  --accent: #1279be;
  --accent-dark: #0d5c94;
  --btn: #090554;
  --bg: #ffffff;
  --muted: #6b6b6b;
  --border: #e5e5e5;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PT Sans", -apple-system, "system-ui", "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--text); }
h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }

/* ---------- Header / navegación ---------- */
.site-header {
  padding: 18px 0;
  position: relative;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--text);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav > ul > li { position: relative; }

.main-nav a {
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: var(--accent); text-decoration: none; }

.main-nav .caret { font-size: 0.7em; margin-left: 2px; }

.submenu-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.75em;
  cursor: pointer;
  padding: 4px 6px;
  vertical-align: middle;
}
.submenu-toggle:hover { color: var(--accent); }

.main-nav ul.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: var(--accent);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  padding: 4px 0;
}

.has-submenu:hover .sub-menu,
.has-submenu.open .sub-menu {
  display: block;
}

.sub-menu li a {
  display: block;
  padding: 10px 18px;
  color: #fff;
  font-weight: 400;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.sub-menu li:last-child a { border-bottom: none; }
.sub-menu li a:hover { background: rgba(0,0,0,0.15); text-decoration: none; }
.sub-menu li a.active { color: #fff; background: rgba(0,0,0,0.2); text-decoration: underline; }

.site-header .social-row {
  justify-content: flex-end;
  padding-top: 10px;
}
.social-icons {
  display: flex;
  gap: 14px;
}
.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--text);
  background: #f5f7fa;
}
.social-icons a:hover { color: #fff; background: var(--accent); }

.footer-social {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
}
.footer-social a:hover { color: #fff; background: var(--accent); border-color: var(--accent); }

/* ---------- Carrusel (responsivo) ---------- */
.carousel {
  position: relative;
  width: 100%;
  background: #111;
  overflow: hidden;
}

.carousel-track-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8;
  max-height: 70vh;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.carousel-slide.active { opacity: 1; pointer-events: auto; }

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #111;
}

.carousel-logo {
  position: absolute;
  top: 20px;
  left: 24px;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  font-size: 0.95rem;
}

.carousel-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 12px;
}

.carousel-controls button {
  background: rgba(255,255,255,0.85);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text);
}
.carousel-controls button:hover { background: #fff; }

.carousel-pause {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.85);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
}

.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.carousel-dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 0;
}
.carousel-dots button.active { background: #fff; }

/* ---------- Logo grande del home ---------- */
.home-logo {
  display: flex;
  justify-content: center;
  padding: 32px 24px 8px;
}
.home-logo img { max-width: 260px; }

/* ---------- Fórmula BB ---------- */
.formula-section { background: #fff; padding-bottom: 40px; }
.formula-title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
}
.formula-title { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.formula-icon { color: var(--accent); flex-shrink: 0; }
.formula-text {
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--text);
}

/* ---------- Hero / tagline ---------- */
.tagline {
  text-align: center;
  padding: 20px 24px 10px;
  font-size: 1.15rem;
  color: var(--muted);
}

/* ---------- Diferenciadores ---------- */
.section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 36px; }

.differentiators {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.differentiator { text-align: center; }
.differentiator img {
  width: 96px;
  height: 96px;
  margin: 0 auto 16px;
  object-fit: contain;
}
.differentiator p { color: var(--muted); }

/* ---------- Filosofía / fórmula ---------- */
.philosophy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.philosophy img { border-radius: 6px; }
.philosophy .formula {
  background: #f5f7fa;
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  margin: 20px 0;
  font-style: italic;
}

/* ---------- Soluciones (tarjetas) ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 26px 22px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.solution-card:hover {
  box-shadow: 0 10px 24px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.solution-card h3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.solution-card h3 a { color: var(--text); }
.solution-card h3 a:hover { color: var(--accent); text-decoration: none; }
.solution-card p { color: var(--muted); font-size: 0.95rem; }
.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #f5f7fa;
  color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #f7f8fa;
  border-top: 1px solid var(--border);
  padding: 40px 0 20px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.footer-grid nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-bottom {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---------- Portada interior (cover) ---------- */
.page-cover {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.page-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #554f57;
  opacity: 0.55;
}
.page-cover .container { position: relative; z-index: 1; }
.page-cover h1 { color: #fff; font-size: 2.4rem; }
.page-cover .quote { font-size: 1.2rem; font-style: italic; margin-top: 10px; }

/* ---------- Título de página simple (línea + h1 + línea) ---------- */
.page-title-plain { padding: 32px 0; text-align: center; }
.page-title-plain hr { border: none; border-top: 1px solid var(--border); margin: 0 0 26px; }
.page-title-plain hr:last-child { margin: 26px 0 0; }
.page-title-plain h1 { margin: 0; }

/* ---------- Sección parallax (imagen de fondo en movimiento + filtro) ---------- */
.parallax-section {
  position: relative;
  overflow: hidden;
  min-height: 460px;
  display: flex;
  align-items: center;
  color: #fff;
}
.parallax-bg {
  position: absolute;
  top: -50%;
  left: 0;
  right: 0;
  height: 200%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.parallax-overlay {
  position: absolute;
  inset: 0;
  background: #071433;
  opacity: 0.6;
}
.parallax-content { position: relative; z-index: 1; }
.parallax-content h1, .parallax-content h2 { color: #fff; }
.parallax-content h1 { font-size: 2.7rem; }
.parallax-content h2 { font-size: 2.1rem; }
.parallax-content .quote { color: rgba(255,255,255,0.9); font-size: 1.35rem; }
.parallax-content p { color: rgba(255,255,255,0.9); }
.parallax-content .formula {
  background: rgba(255,255,255,0.1);
  border-left: 4px solid #fff;
  color: #fff;
}

.btn {
  display: inline-block;
  background: var(--btn);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  margin-top: 22px;
}
.btn:hover { background: #150c7a; color: #fff; text-decoration: none; }

.service-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 48px 0;
}
.service-columns ul { padding-left: 20px; }
.service-columns li { margin-bottom: 8px; }
.service-columns.single { grid-template-columns: 1fr; max-width: 700px; margin: 0 auto; }
.service-columns h3 { text-align: center; }

/* ---------- Valores (Filosofía) ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.value-card {
  background: #f5f7fa;
  border-radius: 8px;
  padding: 22px;
}
.value-card h3 { color: var(--accent); }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 48px 0;
}
.contact-form label { display: block; margin-bottom: 14px; font-weight: 700; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}
.contact-form textarea { min-height: 120px; }
.contact-form button { margin-top: 8px; border: none; cursor: pointer; }
.contact-info p { margin: 6px 0; }

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.blog-card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; transition: box-shadow 0.2s ease; }
.blog-card:hover { box-shadow: 0 10px 24px rgba(0,0,0,0.08); }
.blog-card img { width: 100%; height: 200px; object-fit: cover; display: block; }
.blog-card .blog-card-body { padding: 18px 20px; }
.blog-card h3 { margin: 0 0 8px; }
.blog-card h3 a { color: var(--text); }
.blog-card h3 a:hover { color: var(--accent); text-decoration: none; }
.blog-card p { color: var(--muted); font-size: 0.95rem; }
.blog-card .read-more { color: var(--accent); font-weight: 700; font-size: 0.9rem; }

/* Blog article content */
.section p { text-align: justify; }
.section ul li { text-align: justify; }
.section h2 { text-align: left; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .differentiators,
  .solutions-grid,
  .service-columns,
  .contact-grid,
  .footer-grid,
  .values-grid { grid-template-columns: 1fr; }
  .philosophy { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 24px 20px;
  }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; width: 100%; }
  .main-nav > ul > li { width: 100%; }
  .main-nav a { display: block; padding: 10px 0; }

  .main-nav ul.sub-menu {
    display: none;
    position: static;
    box-shadow: none;
    width: 100%;
    padding-left: 12px;
  }
  .has-submenu.open .sub-menu { display: block; }
  .has-submenu:hover .sub-menu { display: none; }
  .has-submenu.open:hover .sub-menu { display: block; }
  
  .has-submenu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  
  .has-submenu > a {
    flex: 1;          /* link fills the row but leaves room for the button */
    width: auto;      /* override any width: 100% */
  }
  
  .has-submenu > .submenu-toggle {
    flex: 0 0 auto;
    /* optional: a bigger tap target on phones */
    padding: 0.5rem 0.75rem;
  }
  
  .has-submenu > .sub-menu {
    flex-basis: 100%; /* submenu drops below link + arrow */
  }

  .social-links { margin-top: 14px; }

  .carousel-track-wrap { aspect-ratio: 4 / 5; max-height: none; }
  .page-cover { min-height: 320px; }
  .page-cover h1 { font-size: 1.7rem; }
}