/* ============================================================
   CABAÑAS Y RESTAURANT LOS ARCOS
   Paleta: Verde oliva #4a5e2a + Dorado madera #c8902e + Crema bosque #f3efe6
   Inspirada en las cabañas de madera y la naturaleza nativa del Salto del Laja
   Diferenciada de: Río Laja (verde bosque), Chillancito (azul), Los Manantiales (granate)
   ============================================================ */

:root {
  --principal:       #4a5e2a;
  --principal-dark:  #2e3d18;
  --principal-suave: #627a38;
  --acento:          #c8902e;
  --acento-dark:     #9a6e20;
  --verde:           #5a7a32;
  --crema:           #f3efe6;
  --crema-dark:      #e4ddd0;
  --blanco:          #ffffff;
  --texto:           #1e220e;
  --texto-suave:     #4a5230;
  --wa:              #25D366;
  --radio:           8px;
  --sombra:          0 4px 24px rgba(0,0,0,.09);
  --sombra-lg:       0 8px 40px rgba(0,0,0,.15);
  --transicion:      .3s ease;
  --fuente-titulo:   'Playfair Display', Georgia, serif;
  --fuente-cuerpo:   'Lato', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fuente-cuerpo); color: var(--texto);
  background: var(--blanco); line-height: 1.7; overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── LAYOUT ── */
.contenedor { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.seccion { padding: 5rem 0; }
.bg-crema { background: var(--crema); }
.text-center { text-align: center; }

/* ── TIPOGRAFÍA ── */
h1, h2, h3 { font-family: var(--fuente-titulo); line-height: 1.25; }
h1 { font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 600; color: var(--principal-dark); margin-bottom: .6rem; }
h3 { font-size: 1.35rem; font-weight: 600; color: var(--principal-dark); margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--texto-suave); }

.linea-deco {
  width: 60px; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, var(--principal), var(--acento));
  margin: .5rem 0 1.5rem;
}
.linea-deco.centrada { margin: .5rem auto 1.5rem; }
.seccion-sub { font-size: 1.05rem; color: var(--texto-suave); margin-bottom: 2.5rem; }

/* ── ANIMACIONES ── */
.animar { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.animar.visible { opacity: 1; transform: none; }

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background var(--transicion), box-shadow var(--transicion);
}
.nav-container {
  max-width: 1180px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; gap: 1.5rem; height: 68px;
}
.nav-logo {
  font-family: var(--fuente-titulo); font-size: 1.5rem; font-weight: 700;
  color: var(--blanco); flex-shrink: 0; transition: color var(--transicion);
}
#nav-links { display: flex; gap: .25rem; align-items: center; margin-left: auto; }
#nav-links a {
  padding: .45rem .85rem; border-radius: 4px; color: rgba(255,255,255,.92);
  font-size: .92rem; font-weight: 400; transition: background var(--transicion), color var(--transicion);
}
#nav-links a:hover { background: rgba(255,255,255,.15); color: var(--blanco); }

.btn-whatsapp-nav {
  display: flex; align-items: center; gap: .45rem;
  background: var(--wa); color: var(--blanco); padding: .5rem 1.1rem;
  border-radius: 50px; font-size: .88rem; font-weight: 700; flex-shrink: 0;
  transition: background var(--transicion), transform var(--transicion);
}
.btn-whatsapp-nav:hover { background: #1ebe5e; transform: translateY(-1px); }

#navbar.scrolled { background: var(--blanco); box-shadow: 0 2px 20px rgba(0,0,0,.1); }
#navbar.scrolled .nav-logo { color: var(--principal-dark); }
#navbar.scrolled #nav-links a { color: var(--texto); }
#navbar.scrolled #nav-links a:hover { background: var(--crema); color: var(--principal); }
#navbar.scrolled .hamburger span { background: var(--principal-dark); }

.hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px; padding: 4px; margin-left: auto;
}
.hamburger span { display: block; height: 2px; background: var(--blanco); border-radius: 2px; transition: all var(--transicion); }
#nav-links.abierto {
  display: flex; flex-direction: column;
  position: absolute; top: 68px; left: 0; right: 0;
  background: var(--blanco); padding: 1rem 1.5rem 1.5rem;
  box-shadow: var(--sombra-lg); gap: .25rem;
}
#nav-links.abierto a { color: var(--texto); padding: .6rem 1rem; }
#nav-links.abierto a:hover { background: var(--crema); color: var(--principal); }

/* ─────────────────────────────────────────
   BARRA MÓVIL
───────────────────────────────────────── */
.barra-movil {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: var(--blanco); border-top: 1px solid var(--crema-dark);
  box-shadow: 0 -4px 16px rgba(0,0,0,.08);
}
.barra-btn {
  flex: 1; display: flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .9rem .5rem;
  font-size: .9rem; font-weight: 700; color: var(--principal-dark); transition: background var(--transicion);
}
.barra-btn:hover { background: var(--crema); }
.barra-btn--wa { background: var(--wa); color: var(--blanco); }
.barra-btn--wa:hover { background: #1ebe5e; }

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('../img/Los-Arcos-01.webp') center / cover no-repeat;
  animation: kenBurns 20s ease-in-out infinite alternate;
}
@keyframes kenBurns { from { transform: scale(1); } to { transform: scale(1.08); } }

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    160deg,
    rgba(46,61,24,.82) 0%,
    rgba(46,61,24,.58) 45%,
    rgba(200,144,46,.28) 100%
  );
}
.hero-content {
  position: relative; z-index: 2; text-align: center; color: var(--blanco);
  padding: 2rem 1.5rem; max-width: 860px;
}
.hero-badge {
  display: inline-block; background: rgba(255,255,255,.18);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.35); color: var(--blanco);
  font-size: .85rem; font-weight: 700; padding: .45rem 1.2rem;
  border-radius: 50px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1.2rem;
}
.hero-content h1 {
  font-family: var(--fuente-titulo); color: var(--blanco);
  text-shadow: 0 2px 20px rgba(0,0,0,.5); margin-bottom: .7rem;
}
.hero-sub {
  font-size: clamp(.92rem, 2.3vw, 1.18rem); color: rgba(255,255,255,.9);
  font-weight: 300; margin-bottom: 2rem; text-shadow: 0 1px 8px rgba(0,0,0,.3);
}
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .8rem 1.8rem; border-radius: 50px; font-size: .95rem; font-weight: 700;
  transition: all var(--transicion);
}
.btn-primary { background: var(--wa); color: var(--blanco); }
.btn-primary:hover { background: #1ebe5e; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,.4); }
.btn-secondary {
  background: rgba(255,255,255,.18); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--blanco); border: 2px solid rgba(255,255,255,.6);
}
.btn-secondary:hover { background: rgba(255,255,255,.32); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.8rem;
  border-radius: 50px; border: 2px solid var(--principal); color: var(--principal);
  font-weight: 700; font-size: .95rem; transition: all var(--transicion);
}
.btn-outline:hover { background: var(--principal); color: var(--blanco); transform: translateY(-2px); }

.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 2; }
.scroll-indicator span {
  display: block; width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,.6); border-radius: 12px; position: relative;
}
.scroll-indicator span::before {
  content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: rgba(255,255,255,.8);
  border-radius: 2px; animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0%,100% { opacity: 1; top: 6px; } 50% { opacity: .3; top: 18px; } }

/* ─────────────────────────────────────────
   NOSOTROS
───────────────────────────────────────── */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.nosotros-img-wrap {
  position: relative; aspect-ratio: 4/3; border-radius: 12px;
  overflow: hidden; box-shadow: var(--sombra-lg);
}
.nosotros-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.nosotros-img-wrap:hover img { transform: scale(1.05); }
.img-badge {
  position: absolute; bottom: 1rem; left: 1rem;
  background: rgba(46,61,24,.88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--blanco); font-size: .82rem; font-weight: 700;
  padding: .4rem 1rem; border-radius: 50px; border: 1px solid rgba(255,255,255,.25); letter-spacing: .04em;
}
.nosotros-texto h2 { margin-bottom: .4rem; }
.nosotros-texto p { font-size: .98rem; }
.destacado {
  border-left: 4px solid var(--acento); padding: .8rem 1.2rem; margin: 1.5rem 0;
  background: rgba(200,144,46,.08); border-radius: 0 var(--radio) var(--radio) 0;
  font-style: italic; font-size: 1.05rem; color: var(--principal-dark);
}

/* ─────────────────────────────────────────
   SERVICIOS
───────────────────────────────────────── */
.servicios-lista { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
.servicio-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--blanco); padding: 1.4rem; border-radius: var(--radio);
  box-shadow: var(--sombra); border-left: 4px solid var(--acento);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.servicio-item:hover { transform: translateY(-3px); box-shadow: var(--sombra-lg); }
.serv-icono { font-size: 1.8rem; line-height: 1; flex-shrink: 0; margin-top: .1rem; }
.servicio-item strong { display: block; color: var(--principal-dark); margin-bottom: .25rem; font-size: 1rem; }
.servicio-item div { font-size: .92rem; color: var(--texto-suave); line-height: 1.55; }

/* ─────────────────────────────────────────
   BANNER
───────────────────────────────────────── */
.banner-info { background: var(--principal); display: flex; flex-wrap: wrap; }
.banner-bloque {
  flex: 1 1 33%; display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 2.2rem 2rem; gap: .5rem; border-right: 1px solid rgba(255,255,255,.2);
}
.banner-bloque:last-child { border-right: none; }
.banner-icono { font-size: 2rem; }
.banner-bloque strong { color: var(--blanco); font-size: 1.05rem; }
.banner-bloque span { color: rgba(255,255,255,.85); font-size: .9rem; line-height: 1.5; }

/* ─────────────────────────────────────────
   GALERÍA
───────────────────────────────────────── */
.galeria-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin-top: 1.5rem;
}
.galeria-item {
  position: relative; border-radius: var(--radio); overflow: hidden; cursor: pointer; aspect-ratio: 4/3;
}
.galeria-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.galeria-item:hover img { transform: scale(1.07); }
.galeria-overlay {
  position: absolute; inset: 0; background: rgba(46,61,24,.55);
  display: flex; align-items: center; justify-content: center;
  color: var(--blanco); opacity: 0; transition: opacity var(--transicion);
}
.galeria-item:hover .galeria-overlay { opacity: 1; }

/* ─────────────────────────────────────────
   LIGHTBOX
───────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.93);
  z-index: 9999; display: none; align-items: center; justify-content: center;
}
.lightbox.activo { display: flex; }
.lightbox-img-wrap img { object-fit: contain; max-width: 90vw; max-height: 85vh; width: auto; height: auto; border-radius: 4px; }
.lightbox-cerrar {
  position: absolute; top: 1.2rem; right: 1.5rem; color: var(--blanco);
  font-size: 2.5rem; line-height: 1; opacity: .8; transition: opacity var(--transicion);
}
.lightbox-cerrar:hover { opacity: 1; }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); color: var(--blanco);
  font-size: 3rem; font-weight: 300; padding: .5rem 1rem; opacity: .75; transition: opacity var(--transicion);
}
.lightbox-nav:hover { opacity: 1; }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* ─────────────────────────────────────────
   CÓMO LLEGAR
───────────────────────────────────────── */
.llegar-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; margin-top: 2.5rem; }
.llegar-dato { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.4rem; }
.llegar-icono { font-size: 1.4rem; flex-shrink: 0; margin-top: .1rem; }
.llegar-dato strong { display: block; color: var(--principal-dark); margin-bottom: .2rem; }
.llegar-dato span, .llegar-dato a { font-size: .95rem; color: var(--texto-suave); display: block; }
.llegar-dato a:hover { color: var(--principal); }
.mapa-botones { display: flex; flex-direction: column; gap: .7rem; margin-top: .5rem; }
.mapa-btn {
  display: flex; align-items: center; gap: .6rem; background: var(--crema);
  color: var(--principal-dark); padding: .75rem 1.2rem; border-radius: var(--radio);
  font-size: .92rem; font-weight: 700; border: 2px solid var(--crema-dark); transition: all var(--transicion);
}
.mapa-btn:hover { background: var(--principal); color: var(--blanco); border-color: var(--principal); }
.llegar-mapa iframe { width: 100%; height: 380px; border-radius: var(--radio); box-shadow: var(--sombra-lg); }

/* ─────────────────────────────────────────
   CONTACTO
───────────────────────────────────────── */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; margin-top: 2.5rem; }
.contacto-lista { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2rem; }
.contacto-lista li { display: flex; gap: 1rem; align-items: flex-start; font-size: .95rem; }
.contacto-lista li > span { font-size: 1.3rem; flex-shrink: 0; margin-top: .1rem; }
.contacto-lista strong { display: block; color: var(--principal-dark); margin-bottom: .25rem; }
.contacto-lista a, .contacto-lista span { display: block; color: var(--texto-suave); }
.contacto-lista a:hover { color: var(--principal); }
.btn-wa-grande {
  display: inline-flex; align-items: center; gap: .6rem; background: var(--wa);
  color: var(--blanco); padding: .9rem 1.8rem; border-radius: 50px;
  font-size: 1rem; font-weight: 700; transition: all var(--transicion); margin-top: .5rem;
}
.btn-wa-grande:hover { background: #1ebe5e; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,.35); }
.contacto-form-wrap {
  background: var(--blanco); padding: 2.5rem; border-radius: var(--radio);
  box-shadow: var(--sombra-lg); border-top: 4px solid var(--principal);
}
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: .88rem; font-weight: 700; color: var(--principal-dark); margin-bottom: .4rem; }
.opcional { font-weight: 400; color: var(--texto-suave); }
.form-group input, .form-group textarea {
  width: 100%; padding: .75rem 1rem; border: 2px solid var(--crema-dark); border-radius: var(--radio);
  font-family: var(--fuente-cuerpo); font-size: .95rem; color: var(--texto);
  background: var(--crema); transition: border var(--transicion), background var(--transicion);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--principal); background: var(--blanco); }
.form-group textarea { resize: vertical; min-height: 110px; }
.btn-submit {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--wa); color: var(--blanco); padding: .9rem; border-radius: 50px;
  font-size: 1rem; font-weight: 700; transition: all var(--transicion); margin-top: .5rem;
}
.btn-submit:hover { background: #1ebe5e; transform: translateY(-2px); }
#form-ok { margin-top: 1rem; text-align: center; color: var(--principal); font-weight: 700; font-size: .95rem; }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer { background: var(--principal-dark); color: rgba(255,255,255,.75); padding: 3.5rem 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-logo {
  font-family: var(--fuente-titulo); font-size: 1.6rem; font-weight: 700;
  color: var(--acento); margin-bottom: .5rem !important;
}
.footer-dir { font-size: .88rem; color: rgba(255,255,255,.6); line-height: 1.6; }
.footer-heading {
  font-family: var(--fuente-titulo); font-size: 1rem; font-weight: 600;
  color: var(--blanco); margin-bottom: .8rem !important; letter-spacing: .04em;
}
footer ul { display: flex; flex-direction: column; gap: .4rem; }
footer ul a { font-size: .9rem; color: rgba(255,255,255,.65); transition: color var(--transicion); }
footer ul a:hover { color: var(--acento); }
.footer-wa {
  display: inline-flex; align-items: center; gap: .5rem; margin-top: .8rem;
  background: var(--wa); color: var(--blanco); padding: .55rem 1.1rem;
  border-radius: 50px; font-size: .88rem; font-weight: 700; transition: background var(--transicion);
}
.footer-wa:hover { background: #1ebe5e; }
.footer-copy { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 1.5rem; text-align: center; }
.footer-copy p { font-size: .85rem; color: rgba(255,255,255,.45); margin: 0; }

/* ─────────────────────────────────────────
   BOTÓN VOLVER ARRIBA
───────────────────────────────────────── */
.btn-arriba {
  position: fixed; bottom: 1.8rem; right: 1.5rem; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%; background: var(--acento); color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.25); opacity: 0; pointer-events: none;
  transition: opacity var(--transicion), transform var(--transicion), background var(--transicion);
}
.btn-arriba.visible { opacity: 1; pointer-events: auto; }
.btn-arriba:hover { background: var(--acento-dark); transform: translateY(-3px); }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 1024px) {
  .galeria-grid { grid-template-columns: repeat(3, 1fr); }
  .llegar-grid  { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .grid-2col       { grid-template-columns: 1fr; gap: 2.5rem; }
  .contacto-grid   { grid-template-columns: 1fr; gap: 2.5rem; }
  .servicios-lista { grid-template-columns: 1fr; }
  .llegar-grid     { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hamburger        { display: flex; }
  .btn-whatsapp-nav { display: none; }
  #nav-links        { display: none; }
  .barra-movil      { display: flex; }
  .btn-arriba       { bottom: 4.5rem; }
  .galeria-grid     { grid-template-columns: repeat(2, 1fr); }
  .banner-bloque    { flex: 0 0 100%; border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); }
  .banner-bloque:last-child { border-bottom: none; }
  .footer-inner     { grid-template-columns: 1fr; }
  .seccion          { padding: 3.5rem 0; }
  .contacto-form-wrap { padding: 1.8rem; }
}
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn { width: 100%; max-width: 320px; justify-content: center; }
  .galeria-grid { gap: .5rem; }
  .contacto-form-wrap { padding: 1.5rem; }
  h2 { font-size: 1.75rem; }
}