/* =============================================================
   EnColumna - Hoja de estilos principal
   ============================================================= */
:root{
  --azul-oscuro:#0d3b4f;
  --azul:#136c86;
  --azul-claro:#1a8fa8;
  --verde-salud:#2fae9e;
  --gris-claro:#f3f7f8;
  --gris:#5c6773;
  --blanco:#ffffff;
  --whatsapp:#25d366;
  --sombra: 0 4px 14px rgba(13,59,79,.12);
  --radio: 10px;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:"Segoe UI", Roboto, Arial, sans-serif;
  color:#1c2733;
  background:var(--gris-claro);
  line-height:1.65;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--azul-claro);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
h1,h2,h3{color:var(--azul-oscuro);line-height:1.3;}

/* ---------- Header ---------- */
.topbar{background:var(--azul-oscuro);color:#cdeaf0;font-size:.82rem;}
.topbar-inner{display:flex;justify-content:center;gap:26px;padding:7px 0;flex-wrap:wrap;}
.topbar-inner a{color:#cdeaf0;}
.topbar-redes a{margin-left:10px;}

.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--blanco);box-shadow:var(--sombra);position:relative;}
.logo{display:flex;align-items:baseline;font-size:1.7rem;font-weight:800;}
.logo-en{color:var(--verde-salud);}
.logo-columna{color:var(--azul-oscuro);}

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

.main-nav ul{list-style:none;display:flex;gap:24px;margin:0;padding:0;}
.main-nav a{color:var(--azul-oscuro);font-weight:600;}
.main-nav > ul > li{position:relative;padding:8px 0;}
.tiene-submenu .submenu{
  display:none;position:absolute;top:100%;left:0;background:var(--blanco);
  min-width:250px;box-shadow:var(--sombra);border-radius:var(--radio);padding:10px 0;z-index:50;
}
.tiene-submenu:hover .submenu{display:block;}
.submenu li{padding:0;}
.submenu a{display:block;padding:8px 18px;color:#1c2733;font-weight:500;}
.submenu a:hover{background:var(--gris-claro);text-decoration:none;}

/* ---------- Banner rotativo (1000 x 349) ---------- */
.banner-rotativo{
  position:relative;max-width:1000px;margin:18px auto;aspect-ratio:1000/349;
  overflow:hidden;border-radius:var(--radio);box-shadow:var(--sombra);background:#dcebee;
}
.banner-track{position:relative;width:100%;height:100%;}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;}
.banner-slide.activo{opacity:1;}
.banner-slide img{width:100%;height:100%;object-fit:cover;}
.banner-dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:8px;}
.banner-dot{width:10px;height:10px;border-radius:50%;border:2px solid #fff;background:rgba(255,255,255,.4);cursor:pointer;padding:0;}
.banner-dot.activo{background:#fff;}

/* ---------- Contenido general ---------- */
.site-main{min-height:50vh;padding:10px 0 40px;}
.seccion{padding:40px 0;}
.titulo-seccion{text-align:center;margin-bottom:30px;}
.titulo-seccion h2{font-size:1.9rem;}
.titulo-seccion p{color:var(--gris);max-width:720px;margin:0 auto;}

.hero{
  background:linear-gradient(135deg,var(--azul-oscuro),var(--azul));
  color:#fff;padding:54px 0;text-align:center;
}
.hero h1{color:#fff;font-size:2.2rem;margin-bottom:10px;}
.hero p{color:#d7eef2;max-width:720px;margin:0 auto;}
.btn{
  display:inline-block;background:var(--verde-salud);color:#fff;padding:12px 26px;
  border-radius:30px;font-weight:700;margin-top:18px;border:none;cursor:pointer;
}
.btn:hover{background:#268d80;text-decoration:none;color:#fff;}
.btn-secundario{background:var(--azul);}

.grid-categorias{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;}
.tarjeta{
  background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);
  transition:transform .2s ease;display:flex;flex-direction:column;
}
.tarjeta:hover{transform:translateY(-4px);}
.tarjeta img{height:170px;object-fit:cover;background:#e3edf0;}
.tarjeta-cuerpo{padding:16px 18px;flex:1;display:flex;flex-direction:column;}
.tarjeta-cuerpo h3{font-size:1.05rem;margin:0 0 8px;}
.tarjeta-cuerpo p{color:var(--gris);font-size:.92rem;flex:1;}
.tarjeta-cuerpo .btn{align-self:flex-start;padding:8px 18px;font-size:.85rem;margin-top:10px;}

.grid-patologias{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;}

/* Equipo médico */
.grid-medicos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.tarjeta-medico{background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);text-align:center;padding-bottom:18px;}
.tarjeta-medico img{height:230px;object-fit:cover;background:#e3edf0;}
.tarjeta-medico h3{margin:14px 10px 2px;font-size:1.05rem;}
.tarjeta-medico .cargo{color:var(--verde-salud);font-size:.85rem;font-weight:600;margin-bottom:8px;}
.tarjeta-medico p{padding:0 16px;color:var(--gris);font-size:.88rem;}
.redes-medico{margin-top:10px;}
.redes-medico a{margin:0 6px;color:var(--azul);}

.ficha-detalle{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;background:#fff;padding:26px;border-radius:var(--radio);box-shadow:var(--sombra);}
.ficha-detalle img{border-radius:var(--radio);}

.migas{font-size:.85rem;color:var(--gris);margin:14px 0;}
.migas a{color:var(--gris);}

.pagina-contenido{background:#fff;padding:30px;border-radius:var(--radio);box-shadow:var(--sombra);}
.pagina-contenido img{border-radius:8px;}
.pagina-contenido h3{margin-top:28px;}

/* ---------- Formulario de contacto ---------- */
.contacto-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;}
.form-card{background:#fff;padding:28px;border-radius:var(--radio);box-shadow:var(--sombra);}
.form-grupo{margin-bottom:16px;}
.form-grupo label{display:block;font-weight:600;margin-bottom:6px;color:var(--azul-oscuro);}
.form-grupo input, .form-grupo textarea{
  width:100%;padding:11px 13px;border:1px solid #d3dae3;border-radius:8px;font-family:inherit;font-size:.95rem;
}
.form-grupo input:focus, .form-grupo textarea:focus{outline:2px solid var(--azul-claro);border-color:transparent;}
.captcha-suma{display:flex;align-items:center;gap:10px;background:var(--gris-claro);padding:10px 14px;border-radius:8px;}
.mensaje-exito{background:#e3f7f0;color:#177a5f;padding:14px 18px;border-radius:8px;margin-bottom:18px;}
.mensaje-error{background:#fdeaea;color:#a12c2c;padding:14px 18px;border-radius:8px;margin-bottom:18px;}

.info-contacto-card{background:var(--azul-oscuro);color:#d7eef2;padding:28px;border-radius:var(--radio);}
.info-contacto-card h3{color:#fff;}
.info-contacto-card p{margin:10px 0;}
.mapa-embed{margin-top:16px;border-radius:8px;overflow:hidden;}

/* ---------- Footer ---------- */
.site-footer{background:var(--azul-oscuro);color:#c7e2e8;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px;padding:40px 20px;}
.site-footer h3{color:#fff;font-size:1.05rem;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:6px;}
.footer-links a{color:#c7e2e8;}
.footer-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;}

/* ---------- Iconos flotantes ---------- */
.flotante{
  position:fixed;right:22px;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);
  z-index:999;transition:transform .2s ease;
}
.flotante:hover{transform:scale(1.08);}
.flotante-whatsapp{bottom:96px;background:var(--whatsapp);}
.flotante-llamada{bottom:26px;background:var(--azul-claro);}

/* ---------- Acordeón de preguntas frecuentes ---------- */
details.acordeon{background:#fff;border-radius:8px;padding:14px 18px;margin-bottom:10px;box-shadow:var(--sombra);}
details.acordeon summary{font-weight:700;color:var(--azul-oscuro);cursor:pointer;}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .ficha-detalle, .contacto-grid{grid-template-columns:1fr;}
}
@media (max-width: 768px){
  .menu-toggle{display:block;}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    box-shadow:var(--sombra);padding:10px 20px;
  }
  .main-nav.abierto{display:block;}
  .main-nav ul{flex-direction:column;gap:0;}
  .tiene-submenu .submenu{position:static;box-shadow:none;display:none;padding-left:14px;}
  .tiene-submenu.abierto .submenu{display:block;}
  .topbar-inner{flex-direction:column;align-items:center;gap:4px;}
}