/* ============================================================
   TOKENS DE DISEÑO — Hotel Ceiba
   Identidad: refugio boutique de bosque y lago.
   Paleta cálida de bosque/tierra + motivo de líneas topográficas
   como elemento de firma (curvas de nivel de montaña).
   ============================================================ */

:root {
  /* Color */
  --color-canopy: #263B2F;       /* verde bosque profundo — primario oscuro */
  --color-canopy-dark: #17251C;
  --color-cream: #F1ECDD;        /* fondo cálido */
  --color-cream-soft: #F8F5EC;
  --color-ember: #A85C3C;        /* barro/ámbar — acento cálido, uso restringido */
  --color-ember-dark: #7E4128;
  --color-lake: #3C6E68;         /* lago — acento secundario frío */
  --color-lake-dark: #274D48;
  --color-ink: #211F1A;          /* texto principal */
  --color-ink-soft: #5B584E;     /* texto secundario */
  --color-line: #DBD3BE;         /* líneas divisorias */
  --color-white: #FFFDF8;

  /* Tipografía */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Radios y sombras */
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 26px;
  --shadow-soft: 0 18px 40px -22px rgba(23, 21, 15, 0.45);
  --shadow-card: 0 10px 24px -16px rgba(23, 21, 15, 0.35);

  /* Layout */
  --container-max: 1180px;
  --gap-section: clamp(64px, 9vw, 128px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.4em;
  color: var(--color-canopy-dark);
}

h1 { font-size: clamp(2.6rem, 5vw + 1rem, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 2.6vw + 1rem, 2.8rem); }
h3 { font-size: clamp(1.3rem, 1.2vw + 1rem, 1.6rem); }

p { line-height: 1.7; color: var(--color-ink-soft); margin: 0 0 1em; }

a { color: inherit; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-lake-dark);
  display: inline-block;
  margin-bottom: 0.9em;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--color-ember);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--color-canopy);
  color: var(--color-cream-soft);
}
.btn-primary:hover { background: var(--color-canopy-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--color-canopy-dark);
  border-color: var(--color-canopy-dark);
}
.btn-outline:hover { background: var(--color-canopy-dark); color: var(--color-cream-soft); }
.btn-ember { background: var(--color-ember); color: var(--color-white); }
.btn-ember:hover { background: var(--color-ember-dark); transform: translateY(-1px); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* Tarjetas */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
}

/* Formularios */
label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-canopy-dark);
}
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-lake);
  box-shadow: 0 0 0 3px rgba(60, 110, 104, 0.18);
}
.campo { margin-bottom: 18px; }
.fila-campos {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* Utilidades */
.solo-lectura-pantalla {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.texto-error { color: var(--color-ember-dark); font-size: 0.88rem; margin-top: 6px; }
.texto-exito { color: var(--color-lake-dark); font-size: 0.88rem; margin-top: 6px; }