/* =============================================
   OPOSFRANCES.COM - Hoja de estilos principal
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root {
  --azul-principal: #1a4f8a;
  --azul-oscuro:    #0e2f55;
  --azul-medio:     #2563a8;
  --azul-claro:     #dbeafe;
  --acento:         #f59e0b;
  --acento-hover:   #d97706;
  --texto:          #1e293b;
  --texto-suave:    #64748b;
  --fondo:          #f8fafc;
  --blanco:         #ffffff;
  --borde:          #e2e8f0;
  --sombra:         0 4px 20px rgba(26, 79, 138, 0.10);
  --sombra-hover:   0 8px 32px rgba(26, 79, 138, 0.18);
  --radio:          10px;
  --radio-grande:   16px;
  --fuente-titulo:  'Merriweather', Georgia, serif;
  --fuente-cuerpo:  'Source Sans 3', 'Helvetica Neue', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--fuente-cuerpo); font-size: 17px; line-height: 1.75; color: var(--texto); background: var(--fondo); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-medio); text-decoration: none; transition: color .2s; }
a:hover { color: var(--acento); }

.topbar { background: var(--azul-oscuro); color: rgba(255,255,255,0.75); font-size: 13px; padding: 6px 0; text-align: center; }
.topbar a { color: var(--acento); }

header { background: var(--blanco); border-bottom: 3px solid var(--azul-claro); box-shadow: 0 2px 12px rgba(26,79,138,0.07); position: sticky; top: 0; z-index: 1000; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 70px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; text-decoration: none; }
.logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--azul-principal), var(--azul-medio)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.logo-text { font-family: var(--fuente-titulo); font-weight: 900; font-size: 1.35rem; color: var(--azul-oscuro); line-height: 1.1; }
.logo-text span { color: var(--azul-medio); }
.logo-sub { font-size: 11px; color: var(--texto-suave); font-family: var(--fuente-cuerpo); font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }

nav { flex: 1; }
.nav-menu { list-style: none; display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a { display: block; padding: 10px 16px; font-weight: 600; font-size: 14.5px; color: var(--azul-oscuro); border-radius: 7px; transition: background .2s, color .2s; white-space: nowrap; }
.nav-menu > li > a:hover, .nav-menu > li > a.activo { background: var(--azul-principal); color: var(--blanco); }
.dropdown { position: relative; }
.dropdown-menu { display: none; position: absolute; top: calc(100% + 6px); left: 0; background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); box-shadow: var(--sombra-hover); min-width: 230px; z-index: 999; overflow: hidden; }
/* Dropdown: visible por hover (desktop) o clase .open (JS con delay + móvil) */
.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu { display: block; }
/* Animación suave de apertura */
.dropdown-menu { animation: none; }
.dropdown.open .dropdown-menu,
.dropdown:hover .dropdown-menu {
  animation: fadeDown 0.15s ease;
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* Puente invisible entre botón y menú para no perder el hover al bajar el ratón */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}
.dropdown-menu a { display: block; padding: 11px 18px; font-size: 14px; color: var(--texto); border-bottom: 1px solid var(--borde); transition: background .15s; }
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--azul-claro); color: var(--azul-oscuro); }
.dropdown > a::after { content: ' ▾'; font-size: 11px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; border: none; background: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--azul-oscuro); border-radius: 2px; transition: transform .3s, opacity .3s; }

.hero { background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-principal) 60%, var(--azul-medio) 100%); color: var(--blanco); padding: 72px 20px 80px; text-align: center; position: relative; overflow: hidden; }
.hero-inner { max-width: 800px; margin: 0 auto; position: relative; }
.hero-badge { display: inline-block; background: rgba(245,158,11,0.2); border: 1px solid var(--acento); color: var(--acento); padding: 5px 16px; border-radius: 50px; font-size: 13px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 20px; }
.hero h1 { font-family: var(--fuente-titulo); font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1.2; margin-bottom: 18px; text-shadow: 0 2px 12px rgba(0,0,0,.3); }
.hero h1 em { color: var(--acento); font-style: normal; }
.hero p { font-size: 1.15rem; opacity: .9; max-width: 600px; margin: 0 auto 32px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 28px; border-radius: 50px; font-weight: 700; font-size: 15px; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--acento); color: var(--azul-oscuro); box-shadow: 0 4px 16px rgba(245,158,11,.35); }
.btn-primary:hover { background: var(--acento-hover); color: var(--azul-oscuro); }
.btn-outline { background: transparent; color: var(--blanco); border: 2px solid rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.1); color: var(--blanco); border-color: var(--blanco); }

.stats-bar { background: var(--blanco); border-bottom: 1px solid var(--borde); padding: 22px 20px; }
.stats-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: center; align-items: center; gap: 0; flex-wrap: wrap; }
.stat-item { text-align: center; padding: 8px 36px; border-right: 1px solid var(--borde); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: var(--fuente-titulo); font-size: 1.8rem; font-weight: 900; color: var(--azul-principal); line-height: 1; }
.stat-lbl { font-size: 12.5px; color: var(--texto-suave); text-transform: uppercase; letter-spacing: .5px; margin-top: 3px; }

.seccion { padding: 64px 20px; }
.seccion-alt { background: var(--blanco); }
.container { max-width: 1200px; margin: 0 auto; }
.seccion-titulo { text-align: center; margin-bottom: 48px; }
.seccion-titulo h2 { font-family: var(--fuente-titulo); font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--azul-oscuro); margin-bottom: 10px; }
.seccion-titulo p { color: var(--texto-suave); font-size: 1.05rem; max-width: 580px; margin: 0 auto; }
.etiqueta-seccion { display: inline-block; background: var(--azul-claro); color: var(--azul-principal); padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .7px; margin-bottom: 12px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.tarjeta { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio-grande); overflow: hidden; transition: box-shadow .25s, transform .25s; display: flex; flex-direction: column; }
.tarjeta:hover { box-shadow: var(--sombra-hover); transform: translateY(-4px); }
.tarjeta-img-placeholder { width: 100%; height: 185px; background: linear-gradient(135deg, var(--azul-claro) 0%, #bfdbfe 100%); display: flex; align-items: center; justify-content: center; font-size: 2.8rem; }
.tarjeta-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.tarjeta-cat { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--azul-medio); margin-bottom: 8px; }
.tarjeta h3 { font-family: var(--fuente-titulo); font-size: 1.05rem; font-weight: 700; color: var(--azul-oscuro); line-height: 1.3; margin-bottom: 10px; }
.tarjeta h3 a { color: inherit; text-decoration: none; }
.tarjeta h3 a:hover { color: var(--azul-medio); }
.tarjeta p { font-size: 14.5px; color: var(--texto-suave); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.tarjeta-link { display: inline-flex; align-items: center; gap: 6px; color: var(--azul-principal); font-weight: 700; font-size: 14px; margin-top: auto; }
.tarjeta-link::after { content: '→'; transition: transform .2s; }
.tarjeta-link:hover::after { transform: translateX(4px); }
.tarjeta-link:hover { color: var(--acento); }

.tarjeta-ccaa { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: 20px; text-align: center; transition: box-shadow .2s, transform .2s; }
.tarjeta-ccaa:hover { box-shadow: var(--sombra-hover); transform: translateY(-3px); }
.tarjeta-ccaa .bandera { font-size: 2.2rem; margin-bottom: 8px; }
.tarjeta-ccaa h4 { font-weight: 700; font-size: 14px; color: var(--azul-oscuro); margin-bottom: 4px; }
.tarjeta-ccaa p { font-size: 12.5px; color: var(--texto-suave); }
.tarjeta-ccaa a { color: inherit; text-decoration: none; display: block; }
.tarjeta-ccaa a:hover h4 { color: var(--azul-medio); }

.cta-bloque { background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-principal)); color: var(--blanco); padding: 60px 20px; text-align: center; }
.cta-bloque h2 { font-family: var(--fuente-titulo); font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 14px; }
.cta-bloque p { opacity: .85; font-size: 1.05rem; margin-bottom: 28px; max-width: 540px; margin-left: auto; margin-right: auto; }

.aviso-urgente { background: #fef3c7; border-left: 5px solid var(--acento); padding: 18px 22px; border-radius: 0 var(--radio) var(--radio) 0; margin-bottom: 28px; font-size: 15px; }
.aviso-urgente strong { color: #92400e; }

footer { background: var(--azul-oscuro); color: rgba(255,255,255,.75); padding: 56px 20px 28px; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
footer h4 { color: var(--blanco); font-family: var(--fuente-titulo); font-size: .9rem; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.1); }
footer ul { list-style: none; }
footer ul li { margin-bottom: 8px; }
footer ul a { color: rgba(255,255,255,.65); font-size: 14px; transition: color .2s; }
footer ul a:hover { color: var(--acento); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; align-items: center; font-size: 13px; flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--acento); }

.art-header { background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-principal)); color: var(--blanco); padding: 52px 20px 56px; }
.art-header .container { max-width: 860px; }
.breadcrumb { font-size: 13px; opacity: .7; margin-bottom: 14px; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--acento); }
.breadcrumb span { margin: 0 6px; }
.art-header h1 { font-family: var(--fuente-titulo); font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.art-header .intro { font-size: 1.1rem; opacity: .87; line-height: 1.7; }
.art-meta { display: flex; align-items: center; gap: 20px; margin-top: 20px; font-size: 13px; opacity: .7; flex-wrap: wrap; }
.art-meta span { display: flex; align-items: center; gap: 5px; }

.art-contenido { max-width: 860px; margin: 0 auto; padding: 52px 20px; }
.art-contenido h2 { font-family: var(--fuente-titulo); font-size: 1.5rem; color: var(--azul-oscuro); margin: 36px 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--azul-claro); }
.art-contenido h3 { font-size: 1.15rem; color: var(--azul-principal); margin: 24px 0 10px; }
.art-contenido p { margin-bottom: 18px; }
.art-contenido ul, .art-contenido ol { margin: 0 0 18px 24px; }
.art-contenido li { margin-bottom: 7px; }
.art-contenido strong { color: var(--azul-oscuro); }
.art-contenido .destacado { background: var(--azul-claro); border-left: 4px solid var(--azul-principal); padding: 16px 20px; border-radius: 0 var(--radio) var(--radio) 0; margin: 24px 0; font-size: 15.5px; }
.art-contenido table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.art-contenido th { background: var(--azul-principal); color: var(--blanco); padding: 12px 16px; text-align: left; font-weight: 700; }
.art-contenido td { padding: 11px 16px; border-bottom: 1px solid var(--borde); }
.art-contenido tr:hover td { background: var(--azul-claro); }

@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) {
  .hamburger { display: flex; }
  nav { display: none; }
  nav.abierto { display: block; position: fixed; inset: 70px 0 0 0; background: var(--blanco); padding: 20px; overflow-y: auto; z-index: 999; box-shadow: 0 8px 32px rgba(0,0,0,.15); }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-menu > li > a { font-size: 16px; padding: 14px 16px; }
  .dropdown-menu { display: none !important; position: static; box-shadow: none; border: none; background: var(--azul-claro); }
  .dropdown.abierto .dropdown-menu { display: block !important; }
  .dropdown > a::after { float: right; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 8px 20px; border-right: none; border-bottom: 1px solid var(--borde); width: 50%; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
}
@media (max-width: 480px) { .grid-4 { grid-template-columns: 1fr; } .hero { padding: 48px 16px 56px; } .seccion { padding: 44px 16px; } }