/* ==========================================================================
   CAUCE ALTO — Diseño 2: Boutique Minimalista
   Paleta neutra fría/cálida, único acento sage. Sans liviana tracked
   (Archivo) + sans neutra (Inter). Densidad muy baja, movimiento
   refinado y lento — nunca efusivo.
   ========================================================================== */

:root {
  /* --- Color --- */
  --color-bg: #F5F3EE;
  --color-bg-soft: #ECE9E1;
  --color-stone: #C8C1B2;
  --color-concrete: #8B8477;
  --color-ink: #26251F;
  --color-ink-soft: #58544A;
  --color-sage: #6C7660;
  --color-sage-deep: #545C49;
  --color-line: #DAD4C6;
  --color-dark: #1D1C17;
  --color-dark-soft: #29281F;
  --color-cream: #F5F3EE;

  /* --- Type --- */
  --font-display: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;

  --fs-hero: clamp(2.6rem, 4.5vw + 1.6rem, 5.6rem);
  --fs-h2: clamp(1.8rem, 2vw + 1.2rem, 2.8rem);
  --fs-manifesto: clamp(1.6rem, 2.2vw + 1rem, 2.6rem);
  --fs-h3: clamp(1.2rem, 0.6vw + 1rem, 1.45rem);
  --fs-lead: clamp(1rem, 0.4vw + 0.85rem, 1.15rem);
  --fs-body: clamp(0.95rem, 0.15vw + 0.88rem, 1.02rem);
  --fs-small: 0.78rem;

  /* --- Space (density: very low) --- */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8.5rem;
  --space-7: 12rem;

  /* --- Motion: refined, slow, no bounce --- */
  --ease-refined: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-micro: 420ms;
  --dur-reveal: 1300ms;

  --radius-sm: 2px;
  --radius-md: 3px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
@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-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-sage);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.eyebrow-light { color: var(--color-stone); }

.section-title {
  font-size: var(--fs-h2);
  line-height: 1.15;
  font-weight: 250;
  max-width: 18ch;
}

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

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

/* ==========================================================================
   Buttons / links — contained, no flourish
   ========================================================================== */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 1em 2.1em;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background-color var(--dur-micro) var(--ease-soft),
              color var(--dur-micro) var(--ease-soft),
              border-color var(--dur-micro) var(--ease-soft);
}
.btn-ghost:hover { background: var(--color-ink); color: var(--color-cream); }
.btn-ghost--large { padding: 1.15em 2.6em; margin-top: var(--space-3); }

/* Reserve CTA: text-link only, deliberately no button flourish or color-block motion */
.btn-text {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  padding-bottom: 0.3em;
  border-bottom: 1px solid currentColor;
  transition: opacity var(--dur-micro) var(--ease-soft);
}
.btn-text:hover { opacity: 0.6; }

/* ==========================================================================
   Nav
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background-color var(--dur-reveal) var(--ease-soft),
              padding var(--dur-reveal) var(--ease-soft),
              border-color var(--dur-reveal) var(--ease-soft);
  padding: var(--space-3) 0;
  border-bottom: 1px solid transparent;
}
.site-nav.is-scrolled {
  background: rgba(245, 243, 238, 0.9);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-line);
  padding: var(--space-2) 0;
}
.nav-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.2em;
  color: var(--color-cream);
  transition: color var(--dur-reveal) var(--ease-soft);
  margin-right: auto;
}
.site-nav.is-scrolled .brand { color: var(--color-ink); }

.nav-links {
  display: none;
  gap: var(--space-4);
}
.nav-links a {
  color: var(--color-cream);
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  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: 1px;
  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-cta {
  display: none;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cream);
  padding-bottom: 0.25em;
  border-bottom: 1px solid currentColor;
  transition: color var(--dur-reveal) var(--ease-soft), opacity var(--dur-micro) var(--ease-soft);
}
.nav-cta:hover { opacity: 0.6; }
.site-nav.is-scrolled .nav-cta { color: var(--color-ink); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px; height: 30px;
  background: none; border: none; cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  height: 1px; width: 100%;
  background: var(--color-cream);
  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(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: var(--color-bg);
  transition: max-height var(--dur-reveal) var(--ease-refined);
}
.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: 400;
  border-top: 1px solid var(--color-line);
}
.mobile-cta { color: var(--color-sage-deep) !important; font-weight: 500; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-block; }
  .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: -8% 0 0 0;
  height: 116%;
  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(29,28,23,0.22) 0%, rgba(29,28,23,0.05) 30%, rgba(29,28,23,0.5) 88%, rgba(29,28,23,0.62) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-6);
  width: 100%;
  color: var(--color-cream);
}
.hero-content .eyebrow { color: var(--color-stone); }
.hero-title {
  font-size: var(--fs-hero);
  line-height: 1;
  font-weight: 200;
  letter-spacing: 0.01em;
  color: var(--color-cream);
}
.hero-subtitle {
  margin-top: var(--space-2);
  max-width: 36ch;
  font-size: var(--fs-lead);
  font-weight: 300;
  color: var(--color-stone);
}
.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}
.hero-actions .btn-ghost { border-color: var(--color-cream); color: var(--color-cream); }
.hero-actions .btn-ghost:hover { background: var(--color-cream); color: var(--color-ink); }
.hero-actions .btn-text { color: var(--color-cream); }

.scroll-cue {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  height: 46px;
  width: 1px;
}
.scroll-cue-line {
  display: block;
  width: 1px;
  height: 100%;
  background: rgba(245,243,238,0.5);
  transform-origin: top;
  animation: scrollLine 2.8s var(--ease-soft) infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  70% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0); opacity: 0; transform-origin: bottom; }
}

/* ==========================================================================
   Reveal system — slow, gentle fade + minimal scale, no bounce
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.99);
  transition: opacity var(--dur-reveal) var(--ease-refined),
              transform var(--dur-reveal) var(--ease-refined);
  transition-delay: calc(var(--reveal-delay, 0) * 140ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { transition-duration: 1ms; transform: none; }
}

/* ==========================================================================
   Filosofía
   ========================================================================== */
.filosofia { background: var(--color-bg-soft); }
.filosofia-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3);
  text-align: left;
}
.manifesto {
  font-size: var(--fs-manifesto);
  line-height: 1.3;
  font-weight: 250;
  color: var(--color-ink);
}
.filosofia-lead {
  margin-top: var(--space-4);
  max-width: 46ch;
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
}

/* ==========================================================================
   Suites — editorial alternating rows
   ========================================================================== */
.suites { background: var(--color-bg); }
.suite-row {
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  display: grid;
  gap: var(--space-4);
  border-top: 1px solid var(--color-line);
  align-items: center;
}
.suite-row:first-of-type { border-top: none; padding-top: 0; }
.suite-media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-md); }
.suite-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.4s var(--ease-refined);
}
.suite-row:hover .suite-media img { transform: scale(1.035); }
.suite-index {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--color-sage);
  font-weight: 500;
}
.suite-copy h3 { font-size: var(--fs-h3); margin-top: var(--space-1); font-weight: 350; }
.suite-copy p { margin-top: var(--space-2); color: var(--color-ink-soft); max-width: 40ch; }
.suite-meta { font-size: 0.82rem; letter-spacing: 0.04em; color: var(--color-concrete); margin-top: var(--space-2) !important; }
.suite-copy .btn-text { margin-top: var(--space-3); color: var(--color-ink); }

@media (min-width: 900px) {
  .suite-row { grid-template-columns: 1.5fr 1fr; }
  .suite-row--reverse { grid-template-columns: 1fr 1.5fr; }
  .suite-row--reverse .suite-media { order: 2; }
  .suite-row--reverse .suite-copy { order: 1; }
}

/* ==========================================================================
   Arquitectura y espacios
   ========================================================================== */
.arquitectura { background: var(--color-bg-soft); }
.arch-gallery {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.arch-item { position: relative; overflow: hidden; border-radius: var(--radius-md); aspect-ratio: 4/3; }
.arch-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease-refined), filter 1.1s var(--ease-refined);
}
.arch-item:hover img { transform: scale(1.04); }
.arch-item figcaption {
  position: absolute;
  left: var(--space-2); bottom: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: rgba(29,28,23,0.55);
  padding: 0.5em 0.9em;
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur-micro) var(--ease-soft), transform var(--dur-micro) var(--ease-soft);
}
.arch-item:hover figcaption { opacity: 1; transform: translateY(0); }

@media (hover: hover) {
  .arch-gallery:hover .arch-item { opacity: 0.55; transition: opacity 700ms var(--ease-refined); }
  .arch-gallery:hover .arch-item:hover { opacity: 1; }
}

@media (min-width: 900px) {
  .arch-gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: var(--space-3); }
  .arch-item--tall { grid-column: span 2; grid-row: span 2; }
}

/* ==========================================================================
   Entorno — subtle, single wide image + restrained text
   ========================================================================== */
.entorno {
  position: relative;
  padding: 0;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.entorno-media { position: absolute; inset: 0; z-index: 0; }
.entorno-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85); }
.entorno-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(29,28,23,0.15) 0%, rgba(29,28,23,0.65) 100%);
}
.entorno-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  text-align: center;
}
.entorno-text { font-size: var(--fs-lead); color: var(--color-cream); font-weight: 300; line-height: 1.8; }

/* ==========================================================================
   Ubicación
   ========================================================================== */
.ubicacion {
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-3);
  display: grid;
  gap: var(--space-5);
}
.ubicacion-lead { margin-top: var(--space-3); max-width: 42ch; color: var(--color-ink-soft); font-size: var(--fs-lead); }
.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-line);
}
.ubicacion-facts dt { color: var(--color-concrete); font-size: 0.86rem; }
.ubicacion-facts dd { font-weight: 400; text-align: right; }
.ubicacion .btn-text { margin-top: var(--space-4); display: inline-block; }

.ubicacion-map { background: var(--color-bg-soft); border-radius: var(--radius-md); padding: var(--space-3); }
.route-svg { width: 100%; height: auto; }
.route-line {
  stroke: var(--color-sage);
  stroke-linecap: round;
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  transition: stroke-dashoffset 1.8s var(--ease-refined);
}
.route-line.is-drawn { stroke-dashoffset: 0; }
.route-point circle { fill: var(--color-ink); }
.route-point--home circle { fill: var(--color-sage); }
.route-point text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  fill: var(--color-ink-soft);
}

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

/* ==========================================================================
   Reservas
   ========================================================================== */
.reservas { background: var(--color-dark); color: var(--color-cream); text-align: center; }
.reservas .eyebrow { color: var(--color-stone); }
.reservas .section-title { color: var(--color-cream); margin: 0 auto; }
.reservas-inner { max-width: 620px; margin: 0 auto; padding: 0 var(--space-3); display: flex; flex-direction: column; align-items: center; }
.reservas-lead { margin-top: var(--space-3); color: var(--color-stone); font-size: var(--fs-lead); font-weight: 300; }
.reservas .btn-ghost { border-color: var(--color-cream); color: var(--color-cream); }
.reservas .btn-ghost:hover { background: var(--color-cream); color: var(--color-ink); }
.reservas-alt { margin-top: var(--space-3); color: var(--color-concrete); font-size: 0.9rem; }
.reservas-alt a { border-bottom: 1px solid currentColor; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-dark); color: var(--color-stone); padding: var(--space-4) 0 var(--space-3); }
.footer-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.brand-footer { font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.2em; color: var(--color-cream); }
.footer-address { font-size: 0.86rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.footer-links a { font-size: 0.86rem; transition: opacity var(--dur-micro) var(--ease-soft); }
.footer-links a:hover { opacity: 0.6; }
.footer-fine {
  max-width: 1360px; margin: var(--space-3) auto 0; padding: var(--space-3) var(--space-3) 0;
  font-size: 0.74rem; color: var(--color-concrete); border-top: 1px solid rgba(245,243,238,0.1);
}

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