/* style.css
   Estilos globales y componentes del sitio.
   - Incluye mejoras: imágenes max 80%, cards centradas al 80%, animación menu mobile, smooth scroll, dots animados, hover whatsapp.
*/

/* ---------- Variables básicas ---------- */
:root{
  --azul-oscuro: #003366;
  --azul-medio: #0051a2;
  --blanco: #ffffff;
  --gris-1: #f8f9fa;
  --accent: #007acc;
  --whatsapp: #25d366;
  --contenido-max: 1500px;
  --radio: 10px;
  --sombra: 0 6px 18px rgba(15,30,60,0.08);
}

/* ==========================
   ESTILOS GLOBALES
   ========================== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html,body { height: 100%; }
body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  background: var(--gris-1);
  color: #222;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height: 1.6;
}


/* ==========================
   HEADER (BRAND + MENU)
   ========================== */
.site-header {
  background: linear-gradient(180deg, rgba(0,51,102,0.98), rgba(0,51,102,0.95));
  color: var(--blanco);
  position: sticky;
  top: 0;
  z-index: 60;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.header-inner {
  max-width: var(--contenido-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.brand { display:flex; align-items:center; gap:20px; }
.logo { width:130px; border-radius:8px; display:block; }
.brand-text h1 { margin:0; font: size 1.1em; font-weight:700; }
.brand-text .tagline { margin:0; font-size:0.85rem; color: rgba(255,255,255,0.9); }

/* Hamburguesa (mobile) */
.hamburguesa {
  background:none; border:none; color:var(--blanco); font-size:26px; display:none;
  cursor:pointer;
}

/* NAV */
.nav { background: transparent; }
.menu {
  list-style:none; margin:0; padding:8px 20px; display:flex; gap:8px; align-items:center;
}
.menu li { position:relative; }
.menu a {
  position: relative;
  color: var(--blanco);
  text-decoration: none;
  padding: 8px 12px;
  font-weight: 600;
  transition: color 0.3s ease;
  border-radius: 6px;
}
.menu a:hover { background: rgba(255,255,255,0.06); }

/* línea iluminada */
.menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00bfff, #00bfff, transparent);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}
.menu a:hover::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}
.menu a.active::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
  background: linear-gradient(90deg, transparent, #33c1ff, #33c1ff, transparent);
}

/* SUBMENU */
.submenu .submenu-list {
  display:none;
  position:absolute;
  top:40px;
  left:0;
  background: var(--azul-medio);
  min-width:220px;
  border-radius:6px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.15);
  padding:6px 0;
}
.submenu:hover .submenu-list,
.submenu:focus-within .submenu-list { display:block; }
.submenu-list a { display:block; padding:8px 14px; color:#fff }

/* ==========================
   HERO / CARRUSEL
   ========================== */
.hero { padding:18px 0 8px; background: linear-gradient(180deg, rgba(0,0,0,0.02), transparent); }
.carousel {
  position:relative;
  max-width: 1100px;
  margin: 0 auto;
  overflow:hidden;
  border-radius:var(--radio);
  background:#000;
}
.carousel-track { display:flex; transition: transform 0.6s ease; will-change: transform; }
.slide { min-width:100%; display:flex; align-items:center; justify-content:center; }
.slide img { width:100%; height:420px; object-fit:cover; display:block; cursor: zoom-in; }

/* Carousel buttons */
.carousel-btn {
  position:absolute; top:50%; transform:translateY(-50%);
  background: rgba(0,0,0,0.45);
  color:#fff; border:none; padding:10px 14px; font-size:20px; border-radius:8px; cursor:pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}
.carousel-btn.prev { left:12px; }
.carousel-btn.next { right:12px; }
.carousel-dots { text-align:center; padding:10px 0; background: transparent; }
.carousel-dots span { display:inline-block; width:10px; height:10px; margin:0 6px; background:#cfcfcf; border-radius:50%; cursor:pointer; transform: scale(1); transition: all 0.25s ease; }
.carousel-dots .active { background:#fff; box-shadow: 0 0 0 3px rgba(255,255,255,0.06); transform: scale(1.4); }

/* ==========================
   CONTENIDO (CARDS)
   ========================== */
main { max-width: var(--contenido-max); margin: 18px auto; padding: 0 18px 40px; }
.card {
  background:#fff; border-radius:12px; padding:18px; margin-bottom:18px;
  box-shadow: var(--sombra);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(15,30,60,0.12); }
.card h2 { margin-top:0; color:var(--azul-oscuro); }

/* featured card */
.card--featured { border-left: 4px solid var(--accent); }

/* FORMULARIO */
.form-contact { display:flex; flex-direction:column; gap:12px; margin-top:8px; }
.form-row { display:flex; gap:12px; }
.form-row input { flex:1; }
input[type="text"], input[type="email"], textarea, select {
  width:100%; padding:10px; border-radius:8px; border:1px solid #d9d9d9; font-size:0.95rem;
}
.btn-primary {
  background: linear-gradient(180deg,var(--azul-medio), var(--azul-oscuro)); color:#fff;
  padding:15px 20px; border:none; border-radius:8px; cursor:pointer; font-weight:700;
}
.btn-whatsapp, .btn-formulario {
  display:inline-block; text-decoration:none; color:#fff; background:var(--whatsapp);
  padding:10px 14px; border-radius:8px; font-weight:700;
}
.form-actions { display:flex; gap:12px; align-items:center; }

/* COMENTARIOS */
.comentarios-list h3 { margin:8px 0 12px; }
#comentariosGuardados .comentario { background:#fff; padding:12px; border-radius:8px; margin-bottom:10px; border-left:4px solid var(--accent); }
.fecha-comentario { display:block; color:#666; font-size:0.8rem; margin-top:4px; }

/* ==========================
   LIGHTBOX / MODAL
   ========================== */
.lightbox {
  position:fixed; left:0; top:0; right:0; bottom:0; display:none;
  background: rgba(0,0,0,0.85); z-index:120; align-items:center; justify-content:center;
}
.lightbox[aria-hidden="false"] { display:flex; }
.lightbox-content { max-width:90%; max-height:90%; text-align:center; position:relative; }
.lightbox-content img { max-width:100%; max-height:80vh; border-radius:8px; display:block; margin:0 auto; }
.lightbox-caption { color:#fff; margin-top:8px; }

/* Lightbox controls */
.lightbox-close, .lightbox-prev, .lightbox-next {
  position:absolute; background:rgba(255,255,255,0.06); color:#fff; border:none; padding:8px 10px; border-radius:8px; cursor:pointer;
}
.lightbox-close { top:18px; right:18px; }
.lightbox-prev { left:12px; top:50%; transform:translateY(-50%); }
.lightbox-next { right:12px; top:50%; transform:translateY(-50%); }

/* ==========================
   FOOTER
   ========================== */
.site-footer { background:var(--azul-oscuro); color:#fff; margin-top:20px; }
.footer-inner { max-width:var(--contenido-max); margin:0 auto; padding:20px; display:flex; gap:20px; flex-wrap:wrap; }
.footer-col { flex:1; min-width:200px; }
.footer-bottom { background: rgba(0,0,0,0.08); text-align:center; padding:10px; font-size:0.95rem; }

/* Utility: visually hidden for accesibility */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ==========================
   RESPONSIVE
   ========================== */
@media (max-width: 900px) {
  .slide img { height:300px; }
  .form-row { flex-direction:column; }
  .card { width: 92%; }
}
@media (max-width: 720px) {
  .header-inner { padding:10px; }
  .brand-text h1 { font-size:0.95rem; }
  .hamburguesa { display:block; }
  .menu { display:none; position:absolute; top:64px; left:12px; right:12px; background:var(--azul-oscuro); flex-direction:column; padding:12px; border-radius:8px; transition: all 0.25s ease; opacity:0; transform: translateY(-6px); }
  .menu.active { display:flex; opacity:1; transform: translateY(0); }
  .slide img { height:220px; }
}