:root {
  --forest: #1f3a2e;
  --pine: #315844;
  --moss: #7b8f5b;
  --sand: #d8c7a4;
  --stone: #eef0eb;
  --clay: #b56542;
  --ink: #1e2a24;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: #fbfcf9;
  line-height: 1.7;
}
h1, h2, h3, h4, h5, .navbar-brand {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
}
a { color: var(--pine); }
a:hover { color: var(--clay); }

.navbar {
  background: rgba(31, 58, 46, .96);
  backdrop-filter: blur(10px);
}
.navbar-brand { letter-spacing: .08em; }
.nav-link { font-weight: 600; }
.nav-link.active, .nav-link:hover { color: #f2d8ad !important; }

.hero {
  min-height: 78vh;
  display: grid;
  place-items: center;
  color: white;
  background:
    linear-gradient(rgba(18, 37, 29, .55), rgba(18, 37, 29, .72)),
    url("../img/Coto_amanecer.JPG")center/cover;
}
.hero-small {
  min-height: 43vh;
  display: grid;
  place-items: center;
  color: white;
  background:
    linear-gradient(rgba(18, 37, 29, .58), rgba(18, 37, 29, .70)),
    url("../img/Atarceder.JPG") center/cover;
}
.hero h1, .hero-small h1 { text-shadow: 0 4px 20px rgba(0,0,0,.25); }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .78rem;
  font-weight: 800;
  color: #f2d8ad;
}

.btn-chulla {
  background: var(--clay);
  color: white;
  border: 0;
  padding: .8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
}
.btn-chulla:hover { background: #965038; color: white; }
.btn-outline-chulla {
  border: 2px solid var(--pine);
  color: var(--pine);
  border-radius: 999px;
  font-weight: 700;
}
.btn-outline-chulla:hover { background: var(--pine); color: white; }

.section-padding { padding: 5rem 0; }
.section-title { max-width: 720px; margin-bottom: 2rem; }
.bg-stone { background: var(--stone); }

.feature-card, .route-card, .blog-card {
  border: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(31,58,46,.10);
  transition: transform .25s ease, box-shadow .25s ease;
  height: 100%;
}
.feature-card:hover, .route-card:hover, .blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(31,58,46,.16);
}
.card-img-top { height: 240px; object-fit: cover; }
.icon-badge {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #e3eadf;
  color: var(--pine);
  font-size: 1.4rem;
}

.stat {
  background: white;
  border-left: 4px solid var(--clay);
  border-radius: .75rem;
  padding: 1rem;
}
.stat strong { display: block; font-size: 1.7rem; color: var(--forest); }

.carousel-item img { height: 560px; object-fit: cover; }
.carousel-caption {
  background: rgba(20, 38, 30, .68);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
}

.filter-btn.active { background: var(--pine); color: white; }
.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: .9rem;
  cursor: pointer;
  transition: transform .25s ease;
}
.gallery-item img:hover { transform: scale(1.02); }

.accordion-button:not(.collapsed) {
  background: #e5ecdf;
  color: var(--forest);
}
.accordion-button:focus { box-shadow: 0 0 0 .25rem rgba(49,88,68,.18); }

.form-control:focus, .form-select:focus {
  border-color: var(--moss);
  box-shadow: 0 0 0 .25rem rgba(123,143,91,.20);
}

footer { background: var(--forest); color: #eaf0eb; }
footer a { color: #f2d8ad; text-decoration: none; }
.social a { font-size: 1.3rem; margin-right: .8rem; }

.back-to-top {
  position: fixed; right: 1rem; bottom: 1rem;
  width: 46px; height: 46px;
  display: none; place-items: center;
  border-radius: 50%; border: 0;
  background: var(--clay); color: white;
  z-index: 1050;
}

@media (max-width: 768px) {
  .hero { min-height: 68vh; text-align: center; }
  .carousel-item img { height: 390px; }
  .section-padding { padding: 3.5rem 0; }
}