/* ============================================================
   VanDiex — Presentación
   Lienzo fijo de 1600×900 escalado a la pantalla. Lo que ves
   es exactamente lo que sale en el PDF.
   ============================================================ */

:root {
  --ink:        #0A0A0B;
  --ink-2:      #121214;
  --ink-3:      #232326;
  --bone:       #EDEAE4;
  --bone-dim:   #8C8880;
  --bone-faint: #55524C;
  --bronze:     #B08343;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans:  "Inter", -apple-system, system-ui, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --W: 1600px;
  --H: 900px;
  --pad: 90px;

  /* Derivados que cambian con el tema */
  --scrim:   10, 10, 11;
  --letterbox: #000;
  --f-photo: none;
  --veil:
    linear-gradient(to bottom, rgba(var(--scrim),.55) 0%, rgba(var(--scrim),0) 20%,
                               rgba(var(--scrim),0) 68%, rgba(var(--scrim),.88) 100%),
    linear-gradient(105deg, rgba(var(--scrim),.94) 0%, rgba(var(--scrim),.72) 42%, rgba(var(--scrim),.30) 100%);
  --veil-soft: linear-gradient(to top, rgba(var(--scrim),.92) 0%, rgba(var(--scrim),.28) 55%, rgba(var(--scrim),.55) 100%);
}

/* --- Tema claro: mismo interruptor que el sitio -------------------- */
:root[data-theme="claro"] {
  --ink:        #F5F3EE;
  --ink-2:      #EAE7E0;
  --ink-3:      #D7D3CA;
  --bone:       #101013;
  --bone-dim:   #4E4A44;
  --bone-faint: #7C776D;
  --bronze:     #7A5518;

  --scrim:     245, 243, 238;
  --letterbox: #C9C5BC;
  --f-photo:   grayscale(.5) brightness(1.14) contrast(.84);
  --veil:
    linear-gradient(to bottom, rgba(var(--scrim),.78) 0%, rgba(var(--scrim),.10) 22%,
                               rgba(var(--scrim),.10) 70%, rgba(var(--scrim),.93) 100%),
    linear-gradient(100deg,
            rgba(var(--scrim),.985) 0%, rgba(var(--scrim),.93) 36%,
            rgba(var(--scrim),.60) 66%, rgba(var(--scrim),.38) 100%);
  --veil-soft: linear-gradient(to top,
            rgba(var(--scrim),.95) 0%, rgba(var(--scrim),.45) 55%, rgba(var(--scrim),.70) 100%);
}

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

html, body {
  margin: 0; height: 100%;
  background: var(--letterbox);
  color: var(--bone);
  font-family: var(--sans);
  font-weight: 350;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; }
h1, h2, h3, p, ul, figure { margin: 0; padding: 0; }
ul { list-style: none; }
b, strong { font-weight: 400; }

.mono {
  font-family: var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: 14px;
}
.italic { font-family: var(--serif); font-style: italic; color: var(--bronze); }
.dim { color: var(--bone-dim); }

/* ------------------------------------------------------------
   Escenario
   ------------------------------------------------------------ */

.stage {
  position: fixed; inset: 0;
  display: grid; place-items: center;
}

.deck {
  position: relative;
  width: var(--W); height: var(--H);
  transform: scale(var(--k, 1));
  transform-origin: center center;
  background: var(--ink);
  overflow: hidden;
}

.slide {
  position: absolute; inset: 0;
  padding: var(--pad);
  opacity: 0;
  visibility: hidden;
  transition: opacity .55s var(--ease), visibility .55s;
}
.slide.is-on { opacity: 1; visibility: visible; }

/* Contenido que entra al activarse */
.slide .up { transform: translateY(28px); opacity: 0; transition: transform .8s var(--ease), opacity .8s var(--ease); }
.slide.is-on .up { transform: none; opacity: 1; }
.slide.is-on .up:nth-child(2) { transition-delay: .08s; }
.slide.is-on .up:nth-child(3) { transition-delay: .16s; }
.slide.is-on .up:nth-child(4) { transition-delay: .24s; }

/* ------------------------------------------------------------
   Piezas comunes
   ------------------------------------------------------------ */

.bg { position: absolute; inset: 0; z-index: 0; }
.bg img { width: 100%; height: 100%; object-fit: cover; filter: var(--f-photo); }
.bg::after {
  content: ""; position: absolute; inset: 0;
  background: var(--veil);
}
.bg.soft::after {
  background: var(--veil-soft);
}

.inner { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; }

.kicker { color: var(--bronze); margin-bottom: 26px; }

.title {
  font-family: var(--serif); font-weight: 400;
  font-size: 108px; line-height: .93; letter-spacing: -.03em;
}
.title--xl { font-size: 168px; }
.title--sm { font-size: 76px; }

.lead { font-size: 26px; line-height: 1.5; color: var(--bone-dim); max-width: 40ch; }

.spacer { flex: 1; }

.footline {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--ink-3); padding-top: 22px;
  color: var(--bone-dim);
}

/* ------------------------------------------------------------
   Diapositivas específicas
   ------------------------------------------------------------ */

/* Portada */
.cover .title { font-size: 200px; letter-spacing: -.045em; }
.cover .sub { font-size: 28px; color: var(--bone-dim); margin-top: 30px; max-width: 34ch; }

/* Manifiesto */
.manifesto p {
  font-family: var(--serif); font-size: 46px; line-height: 1.3;
  letter-spacing: -.015em; max-width: 30ch;
}
.manifesto p + p { margin-top: 34px; color: var(--bone-dim); font-size: 34px; }

/* Métricas */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; align-items: end; }
.metric { border-top: 1px solid var(--ink-3); padding-top: 26px; }
.metric b {
  display: block; font-family: var(--serif); font-size: 130px;
  line-height: .9; font-variant-numeric: tabular-nums;
}
.metric span { display: block; margin-top: 14px; color: var(--bone-dim); }

/* Separador de sección */
.divider .inner { justify-content: center; }
.divider .title { font-size: 190px; }
.divider .count {
  font-family: var(--mono); font-size: 20px; letter-spacing: .2em;
  color: var(--bronze); margin-top: 30px;
}

/* Proyecto con fotografía */
.project { padding: 0; }
.project .inner { padding: var(--pad); justify-content: flex-end; }
.project .title { font-size: 92px; }
.project .place { font-size: 24px; color: var(--bone-dim); margin-top: 18px; }
.project .brands { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.project .chip {
  border: 1px solid currentColor;
  border-radius: 100px; padding: 9px 20px;
  font-family: var(--mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
}
.project .num {
  position: absolute; top: var(--pad); right: var(--pad);
  font-family: var(--mono); font-size: 15px; letter-spacing: .2em; color: var(--bone-dim);
}
.badge {
  display: inline-block; vertical-align: middle;
  font-family: var(--mono); font-size: 13px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--bronze); border: 1px solid var(--bronze);
  padding: 5px 14px; border-radius: 100px; margin-left: 18px;
}

/* Listado de proyectos sin foto */
.roster ul { columns: 2; column-gap: 70px; margin-top: 20px; }
.roster li {
  break-inside: avoid;
  display: flex; justify-content: space-between; gap: 24px; align-items: baseline;
  border-bottom: 1px solid var(--ink-3); padding: 17px 0;
}
.roster .n { font-family: var(--serif); font-size: 30px; line-height: 1.15; }
.roster .p { color: var(--bone-dim); font-size: 16px; text-align: right; white-space: nowrap; }

/* Materiales */
.mats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; flex: 1; }
.mats figure { position: relative; overflow: hidden; background: var(--ink-2); }
.mats img { width: 100%; height: 100%; object-fit: cover; filter: var(--f-photo); }
.mats figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 22px;
  background: linear-gradient(to top, rgba(var(--scrim),.94), transparent);
  font-family: var(--serif); font-size: 24px;
}

/* Marcas */
.brandcols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 34px; margin-top: 40px; flex: 1; }
.brandcol h3 {
  font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--bronze); border-bottom: 1px solid var(--ink-3); padding-bottom: 14px; margin-bottom: 16px;
  font-weight: 400;
}
.brandcol li { font-family: var(--serif); font-size: 25px; line-height: 1.45; }

/* Contacto */
.contact .cols { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 60px; margin-top: 56px; }
.contact h3 { font-family: var(--serif); font-size: 40px; font-weight: 400; margin-bottom: 20px; }
.contact p { color: var(--bone-dim); font-size: 20px; line-height: 1.6; }
.contact .big { font-size: 30px; color: var(--bone); }
.contact .hours li { display: flex; justify-content: space-between; gap: 20px; padding: 9px 0; border-bottom: 1px solid var(--ink-3); color: var(--bone-dim); font-size: 16px; }

/* Cierre */
.closing .inner { justify-content: center; align-items: center; text-align: center; }
.closing .title { font-size: 180px; }

/* ------------------------------------------------------------
   Interfaz (no sale en el PDF)
   ------------------------------------------------------------ */

.ui {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding: 20px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  color: var(--bone-faint);
  font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  z-index: 100;
  transition: opacity .5s;
}
.ui.is-idle { opacity: 0; }
.ui button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 6px 10px; }
.ui button:hover { color: var(--bone); }

.dots { display: flex; gap: 6px; flex-wrap: wrap; max-width: 60%; }
.dot { width: 22px; height: 3px; background: var(--ink-3); border: 0; padding: 0; cursor: pointer; transition: background-color .4s; }
.dot:hover { background: var(--bone-faint); }
.dot.is-on { background: var(--bronze); }

.railbar { position: fixed; top: 0; left: 0; height: 2px; background: var(--bronze); z-index: 101; transition: width .5s var(--ease); }

/* Vista general */
.overview {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(var(--scrim),.97);
  padding: 40px; overflow-y: auto;
  display: none;
}
.overview.is-on { display: block; }
.overview__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.thumb {
  aspect-ratio: 16/9; border: 1px solid var(--ink-3); background: var(--ink-2);
  position: relative; overflow: hidden; cursor: pointer; text-align: left; padding: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.thumb span {
  position: absolute; inset: auto 0 0 0; padding: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--bone); background: linear-gradient(to top, rgba(var(--scrim),.95), transparent);
}
.thumb.is-on { border-color: var(--bronze); }

.help {
  position: fixed; top: 20px; right: 28px; z-index: 100;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--bone-faint); text-align: right; line-height: 2;
  transition: opacity .5s;
}
.help.is-idle { opacity: 0; }
.help b { color: var(--bone-dim); font-weight: 400; }

/* ------------------------------------------------------------
   Impresión → PDF
   ------------------------------------------------------------ */

@page { size: 1600px 900px; margin: 0; }

@media print {
  html, body { overflow: visible; background: #fff; height: auto; }
  .ui, .help, .overview, .railbar { display: none !important; }
  .stage { position: static; display: block; }
  .deck {
    width: 1600px; height: auto;
    transform: none;
    overflow: visible;
  }
  .slide {
    position: relative; inset: auto;
    width: 1600px; height: 900px;
    opacity: 1 !important; visibility: visible !important;
    page-break-after: always; break-after: page;
    transition: none;
  }
  .slide:last-child { page-break-after: auto; break-after: auto; }
  .slide .up { transform: none !important; opacity: 1 !important; transition: none; }
  .bg img { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
}

@media (prefers-reduced-motion: reduce) {
  .slide, .slide .up { transition-duration: .001ms !important; }
}