/* =====================================================================
   Fundo Amazon Tambopata Expeditions
   Hoja de estilos principal
   Paleta inspirada en el logo: selva, río Madre de Dios y madera dorada
   ===================================================================== */

:root {
  --verde-selva: #0f3d2e;
  --verde-medio: #2e7d5b;
  --verde-claro: #6ab187;
  --dorado: #c9a14a;
  --dorado-oscuro: #a07b2c;
  --rio: #2b7fa8;
  --crema: #f6f1e4;
  --crema-osc: #ece3cf;
  --carbon: #1c241f;
  --gris: #5b6660;
  --blanco: #ffffff;
  --sombra: 0 10px 30px rgba(15, 61, 46, 0.12);
  --sombra-fuerte: 0 18px 50px rgba(15, 61, 46, 0.22);
  --radio: 14px;
  --ancho: 1180px;
  --serif: "Georgia", "Times New Roman", serif;
  --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--carbon);
  background: var(--crema);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.2; color: var(--verde-selva); }

a { color: inherit; text-decoration: none; }

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

.contenedor { width: 92%; max-width: var(--ancho); margin: 0 auto; }

.seccion { padding: 90px 0; }

.seccion--crema { background: var(--crema); }
.seccion--blanca { background: var(--blanco); }
.seccion--verde { background: var(--verde-selva); color: var(--crema); }
.seccion--verde h2, .seccion--verde h3 { color: var(--crema); }

/* ---- Encabezado de sección ---- */
.encabezado { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.encabezado .antetitulo {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dorado-oscuro);
  font-weight: 700;
  margin-bottom: 14px;
}
.encabezado h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 16px; }
.encabezado p { color: var(--gris); font-size: 1.05rem; }

/* =====================  BOTONES  ===================== */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn--primario { background: var(--dorado); color: var(--verde-selva); }
.btn--primario:hover { background: var(--dorado-oscuro); color: var(--blanco); transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--claro { background: var(--crema); color: var(--verde-selva); }
.btn--claro:hover { transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--borde { background: transparent; border-color: var(--crema); color: var(--crema); }
.btn--borde:hover { background: var(--crema); color: var(--verde-selva); }
.btn--verde { background: var(--verde-medio); color: var(--blanco); }
.btn--verde:hover { background: var(--verde-selva); transform: translateY(-2px); box-shadow: var(--sombra); }

/* =====================  NAVBAR  ===================== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246, 241, 228, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(15, 61, 46, 0.08);
  transition: box-shadow 0.3s ease;
}
.navbar.scrolled { box-shadow: var(--sombra); }
.navbar .contenedor { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.marca { display: flex; align-items: center; gap: 12px; }
.marca img { height: 56px; width: 56px; border-radius: 50%; object-fit: cover; }
.marca .nombre { font-family: var(--serif); font-weight: 700; color: var(--verde-selva); line-height: 1.05; }
.marca .nombre span { display: block; font-size: 0.72rem; letter-spacing: 2px; color: var(--dorado-oscuro); font-family: var(--sans); }

.menu { display: flex; align-items: center; gap: 30px; list-style: none; }
.menu a { font-size: 0.95rem; font-weight: 600; color: var(--verde-selva); position: relative; }
.menu a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--dorado); transition: width 0.25s ease;
}
.menu a:hover::after { width: 100%; }
.menu .btn { color: var(--verde-selva); }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 26px; height: 3px; background: var(--verde-selva); border-radius: 2px; transition: 0.3s; }

/* =====================  HERO  ===================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex; align-items: center;
  color: var(--crema);
  background: var(--verde-selva);
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background: url("../img/hero/canopy.jpg") center/cover no-repeat;
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(10,44,32,0.85) 0%, rgba(15,61,46,0.55) 55%, rgba(15,61,46,0.25) 100%);
}
.hero__contenido { position: relative; z-index: 2; max-width: 660px; padding: 60px 0; }
.hero .pildora {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201, 161, 74, 0.18); border: 1px solid rgba(201,161,74,0.5);
  padding: 7px 16px; border-radius: 50px; font-size: 0.8rem; letter-spacing: 1px;
  text-transform: uppercase; font-weight: 600; margin-bottom: 24px; color: var(--crema);
}
.hero h1 { color: var(--crema); font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 22px; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.hero h1 em { color: var(--dorado); font-style: normal; }
.hero p { font-size: 1.18rem; max-width: 560px; margin-bottom: 34px; opacity: 0.95; }
.hero__acciones { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__datos { display: flex; gap: 40px; margin-top: 50px; flex-wrap: wrap; }
.hero__datos .dato strong { display: block; font-family: var(--serif); font-size: 2rem; color: var(--dorado); }
.hero__datos .dato span { font-size: 0.85rem; opacity: 0.85; letter-spacing: 0.5px; }

/* =====================  SOBRE NOSOTROS  ===================== */
.sobre { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.sobre__media { position: relative; }
.sobre__media img { border-radius: var(--radio); box-shadow: var(--sombra-fuerte); }
.sobre__media .marco {
  position: absolute; inset: -18px -18px auto auto; width: 70%; height: 70%;
  border: 3px solid var(--dorado); border-radius: var(--radio); z-index: -1;
}
.sobre h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 20px; }
.sobre p { color: var(--gris); margin-bottom: 18px; }
.lista-check { list-style: none; margin: 24px 0; display: grid; gap: 14px; }
.lista-check li { display: flex; gap: 12px; align-items: flex-start; font-weight: 600; color: var(--verde-selva); }
.lista-check li::before {
  content: "✓"; flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--verde-medio); color: #fff; display: grid; place-items: center; font-size: 0.85rem;
}

/* =====================  EXCURSIONES  ===================== */
.grid-exc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.tarjeta {
  background: var(--blanco); border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra); transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex; flex-direction: column;
}
.tarjeta:hover { transform: translateY(-8px); box-shadow: var(--sombra-fuerte); }
.tarjeta__img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.tarjeta__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tarjeta:hover .tarjeta__img img { transform: scale(1.06); }
.tarjeta__etiqueta {
  position: absolute; top: 14px; left: 14px;
  background: var(--dorado); color: var(--verde-selva); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; padding: 6px 12px; border-radius: 50px;
}
.tarjeta__cuerpo { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.tarjeta__cuerpo h3 { font-size: 1.25rem; margin-bottom: 10px; }
.tarjeta__cuerpo p { color: var(--gris); font-size: 0.95rem; margin-bottom: 18px; flex: 1; }
.tarjeta__pie { display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: var(--verde-medio); font-weight: 600; }
.tarjeta__pie .duracion { display: inline-flex; align-items: center; gap: 6px; }

/* =====================  POR QUÉ ELEGIRNOS  ===================== */
.grid-valores { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.valor { text-align: center; padding: 36px 24px; border-radius: var(--radio); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); }
.valor .icono {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%;
  background: rgba(201,161,74,0.18); display: grid; place-items: center; font-size: 1.6rem;
}
.valor h3 { font-size: 1.15rem; margin-bottom: 10px; }
.valor p { font-size: 0.92rem; opacity: 0.88; }

/* =====================  GALERÍA  ===================== */
.grid-galeria { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-galeria figure { border-radius: var(--radio); overflow: hidden; aspect-ratio: 1; box-shadow: var(--sombra); }
.grid-galeria img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.grid-galeria figure:hover img { transform: scale(1.08); }

/* =====================  CTA  ===================== */
.cta {
  background: linear-gradient(120deg, var(--verde-selva), var(--verde-medio));
  color: var(--crema); border-radius: 22px; padding: 60px; text-align: center;
  box-shadow: var(--sombra-fuerte);
}
.cta h2 { color: var(--crema); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
.cta p { max-width: 560px; margin: 0 auto 30px; opacity: 0.92; font-size: 1.05rem; }
.cta__acciones { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =====================  CONTACTO  ===================== */
.contacto { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contacto__info .item { display: flex; gap: 16px; margin-bottom: 28px; }
.contacto__info .item .ic {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; background: var(--crema-osc);
  display: grid; place-items: center; font-size: 1.3rem;
}
.contacto__info .item h4 { margin-bottom: 4px; }
.contacto__info .item p { color: var(--gris); font-size: 0.95rem; }
.formulario { background: var(--blanco); padding: 36px; border-radius: var(--radio); box-shadow: var(--sombra); }
.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--verde-selva); }
.campo input, .campo textarea, .campo select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--crema-osc); border-radius: 10px;
  font-family: var(--sans); font-size: 0.95rem; background: var(--crema); transition: border 0.2s;
}
.campo input:focus, .campo textarea:focus, .campo select:focus { outline: none; border-color: var(--verde-medio); background: #fff; }
.campo textarea { resize: vertical; min-height: 110px; }
.aviso-form { font-size: 0.8rem; color: var(--gris); margin-top: 12px; }

/* =====================  FOOTER  ===================== */
.footer { background: var(--carbon); color: #cdd6cf; padding: 70px 0 30px; }
.footer a { color: #cdd6cf; transition: color 0.2s; }
.footer a:hover { color: var(--dorado); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 50px; }
.footer__marca { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__marca img { height: 50px; width: 50px; border-radius: 50%; }
.footer__marca .nombre { font-family: var(--serif); color: var(--crema); font-weight: 700; line-height: 1.1; }
.footer p { font-size: 0.92rem; line-height: 1.7; }
.footer h4 { color: var(--crema); margin-bottom: 18px; font-size: 1.05rem; }
.footer ul { list-style: none; display: grid; gap: 10px; }
.footer ul a { font-size: 0.92rem; }
.redes { display: flex; gap: 12px; margin-top: 16px; }
.redes a {
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08);
  display: grid; place-items: center; font-size: 1.1rem;
}
.redes a:hover { background: var(--dorado); }
.footer__libro {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 14px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15);
  padding: 10px 16px; border-radius: 10px; font-size: 0.88rem; font-weight: 600;
}
.footer__libro:hover { border-color: var(--dorado); }
.footer__base {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 26px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: #94a099;
}
.footer__base a { color: #94a099; }

/* =====================  PÁGINAS LEGALES  ===================== */
.legal-hero {
  background: linear-gradient(120deg, var(--verde-selva), var(--verde-medio));
  color: var(--crema); padding: 70px 0 60px; text-align: center;
}
.legal-hero h1 { color: var(--crema); font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.legal-hero p { opacity: 0.9; max-width: 640px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; opacity: 0.85; margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--dorado); }
.legal-cuerpo { padding: 70px 0; }
.legal-cuerpo .contenedor { max-width: 860px; }
.legal-cuerpo h2 { font-size: 1.5rem; margin: 38px 0 14px; color: var(--verde-selva); }
.legal-cuerpo h3 { font-size: 1.15rem; margin: 26px 0 10px; }
.legal-cuerpo p { margin-bottom: 16px; color: #38423c; }
.legal-cuerpo ul, .legal-cuerpo ol { margin: 0 0 18px 22px; color: #38423c; }
.legal-cuerpo li { margin-bottom: 8px; }
.legal-cuerpo .actualizado { font-size: 0.85rem; color: var(--gris); font-style: italic; margin-bottom: 30px; }
.nota {
  background: var(--crema-osc); border-left: 4px solid var(--dorado);
  padding: 18px 22px; border-radius: 10px; margin: 24px 0; font-size: 0.95rem;
}

/* =====================  LIBRO DE RECLAMACIONES  ===================== */
.libro-aviso {
  background: var(--crema-osc); border: 1px dashed var(--dorado-oscuro);
  border-radius: var(--radio); padding: 26px 28px; margin-bottom: 40px; display: flex; gap: 20px; align-items: center;
}
.libro-aviso .sello {
  flex-shrink: 0; width: 70px; height: 70px; border-radius: 12px; background: var(--verde-selva);
  color: var(--dorado); display: grid; place-items: center; font-size: 2rem;
}
.form-reclamo { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); padding: 40px; }
.form-reclamo fieldset { border: 1.5px solid var(--crema-osc); border-radius: 12px; padding: 24px; margin-bottom: 28px; }
.form-reclamo legend { font-family: var(--serif); font-weight: 700; color: var(--verde-selva); padding: 0 12px; font-size: 1.1rem; }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.radios { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 6px; }
.radios label { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; }
.req { color: #b3402f; }
.mensaje-ok {
  display: none; background: #e6f4ec; border: 1px solid var(--verde-medio); color: var(--verde-selva);
  border-radius: 10px; padding: 16px 20px; margin-top: 20px; font-weight: 600;
}

/* =====================  ANIMACIÓN AL HACER SCROLL  ===================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* =====================  RESPONSIVE  ===================== */
@media (max-width: 960px) {
  .grid-exc { grid-template-columns: repeat(2, 1fr); }
  .grid-valores { grid-template-columns: repeat(2, 1fr); }
  .grid-galeria { grid-template-columns: repeat(2, 1fr); }
  .sobre, .contacto { grid-template-columns: 1fr; }
  .sobre__media .marco { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .menu-toggle { display: flex; }
  .menu {
    position: absolute; top: 78px; left: 0; right: 0; flex-direction: column;
    background: var(--crema); padding: 24px; gap: 18px; box-shadow: var(--sombra);
    transform: translateY(-130%); transition: transform 0.3s ease; z-index: -1; align-items: stretch;
  }
  .menu.abierto { transform: translateY(0); }
  .menu a { padding: 6px 0; }
  .seccion { padding: 60px 0; }
  .grid-exc, .grid-valores, .grid-galeria, .footer__grid, .fila { grid-template-columns: 1fr; }
  .cta { padding: 40px 24px; }
  .hero__datos { gap: 26px; }
}

/* =====================  ICONOS SVG  ===================== */
.ico { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ico-brand { fill: currentColor; }
.valor .icono { color: var(--dorado); }
.valor .icono .ico { width: 30px; height: 30px; }
.pildora .ico { width: 16px; height: 16px; color: var(--dorado); }
.contacto__info .item .ic { color: var(--verde-selva); }
.contacto__info .item .ic .ico { width: 22px; height: 22px; }
.duracion .ico { width: 15px; height: 15px; color: var(--verde-medio); }
.redes a .ico-brand { width: 18px; height: 18px; }
.footer__libro .ico { width: 18px; height: 18px; }
.legal-hero h1 .ico { width: 30px; height: 30px; vertical-align: -4px; margin-right: 6px; }
.libro-aviso .sello .ico { width: 34px; height: 34px; color: var(--dorado); }