/* ==========================================================================
   CAUCE ALTO — Diseño 1: Rústico-Serrano
   Paleta cálida (madera, piedra, verde sierra, terracota de atardecer).
   Serif con carácter (Fraunces) + sans legible (Work Sans).
   Densidad baja, movimiento alto, curvas de easing orgánicas.
   ========================================================================== */

:root {
  /* --- Color --- */
  --color-paper: #F3ECE0;
  --color-paper-soft: #EAE1D1;
  --color-ink: #2A2118;
  --color-ink-soft: #4A3D30;
  --color-stone: #8C8272;
  --color-stone-light: #D8CFBE;
  --color-pine: #45543F;
  --color-pine-deep: #313D2C;
  --color-terracotta: #BD5B3B;
  --color-terracotta-deep: #96432A;
  --color-gold: #C89B4A;
  --color-night: #211A14;
  --color-night-soft: #2C2318;
  --color-whatsapp: #3E7A54;

  /* --- Type --- */
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Work Sans", ui-sans-serif, system-ui, sans-serif;

  --fs-hero: clamp(3rem, 5vw + 2rem, 7.2rem);
  --fs-h2: clamp(2.1rem, 2.4vw + 1.4rem, 3.6rem);
  --fs-h3: clamp(1.35rem, 0.8vw + 1.1rem, 1.7rem);
  --fs-lead: clamp(1.05rem, 0.5vw + 0.9rem, 1.3rem);
  --fs-body: clamp(1rem, 0.2vw + 0.9rem, 1.1rem);
  --fs-small: 0.85rem;

  /* --- Space (density: low) --- */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  --space-6: 7rem;
  --space-7: 10rem;

  /* --- Motion --- */
  --ease-organic: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-symmetric: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 260ms;
  --dur-reveal: 900ms;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 26px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body, h1, h2, h3, p, figure, ul, dl, dd {
  margin: 0;
}
ul { list-style: none; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-2);
  z-index: 999;
}
.skip-link:focus { left: 0; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; color: var(--color-ink); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.eyebrow-light { color: var(--color-gold); }

.section-title { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -0.01em; }
.section-title-light { color: var(--color-paper); }

.section-lead {
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
  max-width: 42ch;
  margin-top: var(--space-3);
}
.section-lead-light { color: var(--color-stone-light); }

.section-head { max-width: 900px; margin: 0 auto var(--space-6); padding: 0 var(--space-3); text-align: left; }

section { padding: var(--space-6) 0; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.95em 1.7em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform var(--dur-micro) var(--ease-soft),
              box-shadow var(--dur-micro) var(--ease-soft),
              background-color var(--dur-micro) var(--ease-soft);
  will-change: transform;
}
.btn-primary {
  background: var(--color-terracotta);
  color: var(--color-paper);
  box-shadow: 0 6px 18px -8px rgba(189, 91, 59, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--color-terracotta-deep); box-shadow: 0 10px 22px -8px rgba(189, 91, 59, 0.55); }
.btn-primary:active { transform: translateY(0); }

/* WhatsApp CTA: deliberately no playful motion — trust and stability over flourish. */
.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
}
.btn-whatsapp:hover { background: #356847; }
.btn-large { padding: 1.15em 2.2em; font-size: 1.05rem; }

.btn-nav { padding: 0.6em 1.25em; font-size: 0.88rem; }

/* ==========================================================================
   Nav
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background-color var(--dur-reveal) var(--ease-soft),
              box-shadow var(--dur-reveal) var(--ease-soft),
              padding var(--dur-reveal) var(--ease-soft);
  padding: var(--space-3) 0;
}
.site-nav.is-scrolled {
  background: rgba(243, 236, 224, 0.88);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(42, 33, 24, 0.08);
  padding: var(--space-2) 0;
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-paper);
  transition: color var(--dur-reveal) var(--ease-soft);
  margin-right: auto;
}
.site-nav.is-scrolled .brand { color: var(--color-ink); }
.brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.brand-mark { flex-shrink: 0; }

.nav-links {
  display: none;
  gap: var(--space-4);
}
.nav-links a {
  color: var(--color-paper);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: color var(--dur-reveal) var(--ease-soft);
}
.site-nav.is-scrolled .nav-links a { color: var(--color-ink-soft); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-micro) var(--ease-soft);
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none; border: none; cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  height: 2px; width: 100%;
  background: var(--color-paper);
  transition: background var(--dur-reveal) var(--ease-soft), transform var(--dur-micro) var(--ease-soft), opacity var(--dur-micro) var(--ease-soft);
}
.site-nav.is-scrolled .nav-toggle span { background: var(--color-ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: var(--color-paper);
  transition: max-height var(--dur-reveal) var(--ease-organic);
}
.mobile-menu.is-open { max-height: 400px; }
.mobile-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-ink);
  font-weight: 500;
  border-top: 1px solid rgba(42,33,24,0.08);
}
.mobile-cta { color: var(--color-whatsapp) !important; font-weight: 700; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: -10% 0 0 0;
  height: 120%;
  z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(33,26,20,0.35) 0%, rgba(33,26,20,0.15) 35%, rgba(33,26,20,0.65) 85%, rgba(33,26,20,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-6);
  width: 100%;
  color: var(--color-paper);
}
.eyebrow.reveal { color: var(--color-gold); }
.hero-title {
  font-size: var(--fs-hero);
  line-height: 0.92;
  font-weight: 400;
  letter-spacing: -0.01em;
  display: flex;
  flex-wrap: wrap;
  color: var(--color-paper);
}
.hero-title-accent {
  font-style: italic;
  font-weight: 300;
  color: var(--color-gold);
}
.hero-subtitle {
  margin-top: var(--space-3);
  max-width: 46ch;
  font-size: var(--fs-lead);
  color: var(--color-stone-light);
}
.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.scroll-cue {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-paper);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}
.scroll-cue svg { animation: bob 2.2s var(--ease-symmetric) infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ==========================================================================
   Reveal system (scroll-triggered entrances)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-reveal) var(--ease-organic),
              transform var(--dur-reveal) var(--ease-organic);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { transition-duration: 1ms; transform: none; }
}

/* ==========================================================================
   La experiencia
   ========================================================================== */
.experiencia { background: var(--color-paper); }
.moments {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.moment { display: grid; gap: var(--space-3); }
.moment-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  position: relative;
}
.moment-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 5s var(--ease-soft);
}
.moment[data-inview] .moment-media img { transform: scale(1.15); }

.moment-copy { padding: 0 var(--space-1); }
.moment-index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-terracotta);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.moment-copy h3 { font-size: var(--fs-h3); margin-top: var(--space-1); }
.moment-copy p { margin-top: var(--space-2); color: var(--color-ink-soft); max-width: 48ch; }

@media (min-width: 900px) {
  .moments { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
}

/* ==========================================================================
   Cabañas
   ========================================================================== */
.cabanas { background: var(--color-paper-soft); }
.cabin-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: grid;
  gap: var(--space-4);
}
.cabin-card {
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(42,33,24,0.05);
  transition: transform var(--dur-micro) var(--ease-soft), box-shadow var(--dur-micro) var(--ease-soft);
}
.cabin-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 40px -20px rgba(42,33,24,0.35);
}
.cabin-media { position: relative; aspect-ratio: 5 / 4; overflow: hidden; }
.cabin-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 600ms var(--ease-soft);
}
.cabin-card:hover .cabin-media img { transform: scale(1.07); }
.cabin-badge {
  position: absolute;
  top: var(--space-2); left: var(--space-2);
  background: rgba(33,26,20,0.72);
  color: var(--color-paper);
  font-size: 0.78rem;
  padding: 0.4em 0.9em;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.cabin-body { padding: var(--space-3); }
.cabin-body h3 { font-size: var(--fs-h3); }
.cabin-tag { color: var(--color-pine); font-weight: 600; font-size: 0.9rem; margin-top: 0.25rem; }
.cabin-amenities { margin-top: var(--space-2); display: flex; flex-direction: column; gap: 0.4rem; }
.cabin-amenities li {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  padding-left: 1.1em;
  position: relative;
}
.cabin-amenities li::before {
  content: "";
  position: absolute; left: 0; top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-terracotta);
}
.cabin-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-weight: 600;
  color: var(--color-terracotta-deep);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-micro) var(--ease-soft);
}
.cabin-link:hover { border-color: currentColor; }

@media (min-width: 900px) {
  .cabin-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   Entorno y actividades
   ========================================================================== */
.entorno {
  background: var(--color-night);
  color: var(--color-paper);
}
.entorno .section-head { max-width: 700px; }
.entorno-gallery {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.entorno-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.entorno-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 700ms var(--ease-soft);
}
.entorno-item:hover img { transform: scale(1.08); }
.entorno-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: var(--space-3) var(--space-2) var(--space-2);
  background: linear-gradient(180deg, transparent, rgba(33,26,20,0.85));
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.entorno-item figcaption strong { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; }
.entorno-item figcaption span { font-size: 0.82rem; color: var(--color-stone-light); }

@media (min-width: 900px) {
  .entorno-gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: var(--space-2); }
  .entorno-item--tall { grid-column: span 2; grid-row: span 2; }
  .entorno-item--wide { grid-column: span 2; }
}

/* ==========================================================================
   Servicios
   ========================================================================== */
.servicios { background: var(--color-paper); }
.chip-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}
.chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-paper-soft);
  border-radius: var(--radius-md);
  transition: background var(--dur-micro) var(--ease-soft), transform var(--dur-micro) var(--ease-soft);
}
.chip:hover { background: var(--color-stone-light); transform: translateY(-2px); }
.chip svg { width: 30px; height: 30px; color: var(--color-pine); flex-shrink: 0; }
.chip span { font-weight: 500; font-size: 0.95rem; }

@media (min-width: 700px) {
  .chip-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Ubicación
   ========================================================================== */
.ubicacion {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-3);
  display: grid;
  gap: var(--space-5);
}
.ubicacion-facts {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
}
.ubicacion-facts > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-stone-light);
}
.ubicacion-facts dt { color: var(--color-stone); font-size: 0.9rem; }
.ubicacion-facts dd { font-weight: 600; text-align: right; }
.ubicacion .cabin-link { margin-top: var(--space-4); }

.ubicacion-map { background: var(--color-paper-soft); border-radius: var(--radius-lg); padding: var(--space-3); }
.route-svg { width: 100%; height: auto; }
.route-contour { stroke: var(--color-stone-light); opacity: 0.7; }
.route-contour--soft { opacity: 0.4; }
.route-line {
  stroke: var(--color-terracotta);
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  transition: stroke-dashoffset 1.5s var(--ease-symmetric);
}
.route-line.is-drawn { stroke-dashoffset: 0; }
.route-point circle { fill: var(--color-ink); }
.route-point--home circle { fill: var(--color-terracotta); }
.route-point text {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  fill: var(--color-ink-soft);
}

@media (min-width: 900px) {
  .ubicacion { grid-template-columns: 1fr 1fr; align-items: center; }
}

/* ==========================================================================
   Reservas
   ========================================================================== */
.reservas {
  background: linear-gradient(160deg, var(--color-night) 0%, var(--color-pine-deep) 100%);
  color: var(--color-paper);
  text-align: center;
}
.reservas-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.reservas .section-lead { max-width: 40ch; }
.reservas .btn-large { margin-top: var(--space-4); }
.reservas-alt { margin-top: var(--space-3); color: var(--color-stone-light); font-size: 0.92rem; }
.reservas-alt a { text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-night); color: var(--color-stone-light); padding: var(--space-5) 0 var(--space-3); }
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.brand-footer { color: var(--color-paper); }
.footer-address { font-size: 0.92rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.footer-links a { font-size: 0.9rem; transition: color var(--dur-micro) var(--ease-soft); }
.footer-links a:hover { color: var(--color-gold); }
.footer-fine { font-size: 0.78rem; color: var(--color-stone); padding-top: var(--space-3); border-top: 1px solid rgba(243,236,224,0.1); width: 100%; }

@media (min-width: 700px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .footer-fine { text-align: right; }
}