/* ==========================================================================
   EBEN PATRIMONIAL — BASE
   Reset, primitivas tipograficas y primitivas de layout.
   Depende de: tokens.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   RESET
   -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--sp-4));
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background-color: var(--surface-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  letter-spacing: var(--ls-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;

  /* Un correo largo, una URL o una ruta de archivo dentro de un parrafo puede
     ser mas ancha que la columna en movil y empujar la pagina completa hacia
     los lados. Con esto la palabra se corta solo cuando de verdad no cabe. */
  overflow-wrap: break-word;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select { font: inherit; color: inherit; }

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

address { font-style: normal; }

hr {
  border: 0;
  border-top: var(--hairline) solid var(--border-hairline);
  margin: 0;
}

/* --------------------------------------------------------------------------
   FOCO VISIBLE — nunca se elimina, se estiliza
   -------------------------------------------------------------------------- */

:focus { outline: none; }

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-xs);
}

.on-inverse :focus-visible,
.section--inverse :focus-visible {
  outline-color: var(--focus-ring-inverse);
}

/* Salto al contenido — accesibilidad de teclado */
.skip-link {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  z-index: var(--z-modal);
  padding: var(--sp-3) var(--sp-5);
  background: var(--surface-accent);
  color: var(--text-on-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  transform: translateY(-200%);
  transition: transform var(--dur-base) var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(0); }

/* --------------------------------------------------------------------------
   SELECCION DE TEXTO
   -------------------------------------------------------------------------- */

::selection {
  background: var(--brand-oro);
  color: var(--brand-navy);
}

/* --------------------------------------------------------------------------
   PRIMITIVAS TIPOGRAFICAS
   Clases, no selectores de etiqueta, para que un h2 pueda verse como h3
   sin romper la jerarquia semantica del documento.
   -------------------------------------------------------------------------- */

/* Display serif — SOLO de --fs-2xl hacia arriba.
   Cormorant Garamond es ilegible en movil por debajo de 24px. */
.t-hero,
.t-display,
.t-title,
.t-subtitle {
  font-family: var(--font-display);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-tighter);
  line-height: var(--lh-tight);
  text-wrap: balance;
}

.t-hero {
  font-size: var(--fs-hero);
  font-weight: var(--fw-light);
}

.t-display {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-light);
}

.t-title {
  font-size: var(--fs-3xl);
  line-height: var(--lh-snug);
}

.t-subtitle {
  font-size: var(--fs-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
}

/* De aqui hacia abajo todo es Montserrat */
.t-heading {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
}

.t-heading-sm {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}

/* Overline / eyebrow — el marcador de seccion del manual (01 · FILOSOFIA) */
.t-overline {
  font-family: var(--font-body);
  font-size: var(--fs-overline);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--text-accent);
}
.section--inverse .t-overline,
.on-inverse .t-overline { color: var(--text-on-inverse-accent); }

/* Lead — parrafo de entrada de seccion */
.t-lead {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  line-height: var(--lh-normal);
  color: var(--text-secondary);
  max-width: var(--measure);
}
.section--inverse .t-lead,
.on-inverse .t-lead { color: var(--text-on-inverse-muted); }

.t-body { font-size: var(--fs-base); max-width: var(--measure); }

.t-small {
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--text-muted);
}
.section--inverse .t-small,
.on-inverse .t-small { color: var(--text-on-inverse-muted); }

.t-fine {
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
  color: var(--text-muted);
}

/* Cita editorial — Playfair Display, uso del manual: pull quotes */
.t-quote {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: var(--fw-regular);
  font-size: var(--fs-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  text-wrap: balance;
}

/* Cifra — precios y metricas. Serif, tabular para que no baile la alineacion */
.t-figure {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: var(--fs-2xl);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  font-variant-numeric: tabular-nums;
}

/* Etiqueta de dato (m², recamaras) */
.t-label {
  font-family: var(--font-body);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Enlace suelto, fuera de una oracion: necesita su propia area tactil de 44px.
   WCAG exceptua los enlaces embebidos en un parrafo, no estos. */
.t-link--bloque {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-min);
}

/* Enlace de texto en linea */
.t-link {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--border-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: text-decoration-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.t-link:hover {
  color: var(--text-primary);
  text-decoration-color: var(--brand-oro-oscuro);
}
.on-inverse .t-link,
.section--inverse .t-link { color: var(--text-on-inverse); }
.on-inverse .t-link:hover,
.section--inverse .t-link:hover {
  color: var(--brand-oro);
  text-decoration-color: var(--brand-oro);
}

/* --------------------------------------------------------------------------
   PRIMITIVAS DE LAYOUT
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--text { max-width: var(--container-text); }

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--tight { padding-block: var(--section-y-tight); }

.section--sunken  { background-color: var(--surface-sunken); }
.section--raised  { background-color: var(--surface-raised); }

.section--inverse {
  background-color: var(--surface-inverse);
  color: var(--text-on-inverse);
}
.section--inverse .t-hero,
.section--inverse .t-display,
.section--inverse .t-title,
.section--inverse .t-subtitle,
.section--inverse .t-heading,
.section--inverse .t-heading-sm,
.section--inverse .t-quote { color: var(--text-on-inverse); }

/* Encabezado de seccion */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-bottom: var(--sp-12);
  max-width: var(--measure-wide);
}

.section-head--center {
  align-items: center;
  text-align: center;
  margin-inline: auto;
}

/* Filete de oro — el motivo grafico del manual (franja Oro) */
.rule {
  height: var(--hairline);
  background: var(--border-accent);
  border: 0;
  width: 100%;
}

.rule--short { width: 56px; }

.rule--gradient {
  height: var(--hairline);
  background: linear-gradient(90deg,
    var(--brand-oro) 0%,
    var(--brand-oro-a24) 60%,
    transparent 100%);
}

/* Rejillas */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Pila vertical con ritmo consistente */
.stack > * + * { margin-top: var(--stack-gap, var(--sp-4)); }
.stack--sm { --stack-gap: var(--sp-3); }
.stack--lg { --stack-gap: var(--sp-6); }
.stack--xl { --stack-gap: var(--sp-8); }

/* Fila horizontal */
.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
}

/* --------------------------------------------------------------------------
   UTILIDADES — el set minimo, no un framework
   -------------------------------------------------------------------------- */

.u-center      { text-align: center; }
.u-measure     { max-width: var(--measure); }
.u-measure-nar { max-width: var(--measure-narrow); }
.u-full        { width: 100%; }
.u-mt-auto     { margin-top: auto; }

.u-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Aparicion al hacer scroll — progresiva, el contenido es visible sin JS */
.u-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slower) var(--ease-out),
              transform var(--dur-slower) var(--ease-out);
}
.u-reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .u-reveal { opacity: 1; transform: none; }
}

/* Sin JS: nunca esconder contenido */
.no-js .u-reveal { opacity: 1; transform: none; }