/* =====================================================================
   Book de Vitoria Guimarães — estilos
   Paleta: papel marfil, tinta negra, taupe. Serif editorial para títulos,
   sans pequeña en mayúsculas espaciadas para etiquetas.
   ===================================================================== */

:root {
  --paper: #EDEAE4;
  --paper-2: #E3DFD7;
  --ink: #111111;
  --ink-2: #3A3835;
  --muted: #7C766E;
  --taupe: #A89F93;
  --line: rgba(17, 17, 17, .14);
  --line-dark: rgba(237, 234, 228, .18);

  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1500px;
  --gap: clamp(10px, 1.2vw, 16px);
  --top-h: 60px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
h1, h2, p, dl, dd, figure, blockquote { margin: 0; }
a { color: inherit; }
::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

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

.label {
  font: 500 11px/1.3 var(--sans);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.link {
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--ink);
  font: 500 12px/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.link:hover { color: var(--muted); border-color: var(--taupe); }

.skip {
  position: absolute; left: var(--gutter); top: -100px;
  padding: 10px 14px; background: var(--ink); color: var(--paper);
  font: 500 12px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  z-index: 100;
}
.skip:focus { top: 8px; }

/* ---------- cabecera ---------- */
.top {
  position: sticky; top: 0; z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--top-h);
  background: rgba(237, 234, 228, .86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top__brand {
  font: 400 22px/1 var(--serif);
  letter-spacing: -.01em;
  text-decoration: none;
}
.top__nav { display: flex; gap: clamp(18px, 2.4vw, 36px); }
.top__nav a { text-decoration: none; transition: color .3s var(--ease); }
.top__nav a:hover { color: var(--muted); }
.top__meta { text-align: right; }

/* ---------- baldosas de foto ---------- */
.tile {
  position: relative;
  isolation: isolate;               /* el pie de foto solo se mezcla con su propia foto */
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 2 / 3;
  cursor: zoom-in;
}
.tile img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.tile:hover img { transform: scale(1.025); }
.tile figcaption {
  position: absolute; left: 12px; bottom: 10px; z-index: 1;
  font-size: 10px;
  color: #fff;
  mix-blend-mode: difference;       /* oscuro sobre fondo claro, claro sobre fondo oscuro */
}

/* ---------- portada ---------- */
.hero {
  position: relative;
  isolation: isolate;               /* el nombre solo se mezcla con la portada */
  background: var(--paper);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: var(--gap);
  min-height: calc(100svh - var(--top-h));
  padding-block: clamp(20px, 4vh, 44px) clamp(28px, 5vh, 56px);
}

.hero__name {
  grid-column: 1 / 11;
  grid-row: 1;
  z-index: 2;
  align-self: start;
  margin-left: -.04em;
  font: 400 clamp(4rem, 16vw, 15rem)/.85 var(--serif);
  letter-spacing: -.035em;
  text-transform: uppercase;
  color: #fff;
  mix-blend-mode: difference;       /* oscuro sobre el papel, claro sobre la foto */
  pointer-events: none;
  user-select: none;
}
.hero__name span { display: block; }
@supports not (mix-blend-mode: difference) {
  .hero__name { color: var(--ink); z-index: 0; }
}

.hero__photo {
  grid-column: 7 / -1;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  aspect-ratio: auto;
  cursor: zoom-in;
}
.hero__photo img {
  position: static;
  width: 100%;
  height: min(76vh, 860px);
  object-fit: cover;
  object-position: 50% 15%;
}
.hero__photo figcaption {
  position: static;
  margin-top: 10px;
  color: var(--muted);
  mix-blend-mode: normal;
}

.hero__facts {
  grid-column: 1 / 6;
  grid-row: 2;
  align-self: end;
  padding-top: clamp(24px, 4vh, 48px);
}
.hero__facts dl {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.hero__facts dt { color: var(--muted); }
.hero__facts dd { margin-top: 4px; font: 400 1.15rem/1.2 var(--serif); }

/* ---------- secciones ---------- */
.sec { padding-block: clamp(56px, 9vw, 128px); }

.sec__head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: end;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  margin-bottom: clamp(28px, 4vw, 56px);
}
.sec__num { grid-column: 1 / 2; align-self: start; }
.sec__kicker { grid-column: 2 / 8; align-self: start; }
.sec__title {
  grid-column: 2 / 8;
  font: 400 clamp(3rem, 7vw, 6.5rem)/.95 var(--serif);
  letter-spacing: -.02em;
}

/* rejilla del book */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  grid-auto-flow: dense;
}
.tile--lg { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.tile--wide { grid-column: span 2; aspect-ratio: auto; background: #1C1C1C; }
.tile--wide img { object-position: 50% 30%; }

/* ---------- retratos (franja negra) ---------- */
.sec--dark { background: var(--ink); color: var(--paper); }
.sec--dark .sec__head { border-color: var(--line-dark); }
.sec--dark .label { color: rgba(237, 234, 228, .62); }
.sec--dark .tile { background: #1C1C1C; }

.dark-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}
.dark-grid figure:nth-of-type(1) { grid-column: 1 / 6; }
.dark-grid figure:nth-of-type(2) { grid-column: 7 / 12; }

/* ---------- ficha ---------- */
.ficha {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}
.ficha__data { grid-column: 1 / 7; align-self: start; }
.ficha__data div {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) 2fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.ficha__data div:first-child { border-top: 1px solid var(--line); }
.ficha__data dd { font: 400 1.35rem/1.2 var(--serif); }
.ficha__photo { grid-column: 8 / -1; }

/* ---------- contacto ---------- */
.contact {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
  align-items: end;
}
.contact__big {
  grid-column: 1 / 8;
  margin-left: -.03em;
  font: 400 clamp(4rem, 12vw, 11rem)/.9 var(--serif);
  letter-spacing: -.03em;
}
.contact__list {
  grid-column: 9 / -1;
  list-style: none;
  margin: 0; padding: 0;
}
.contact__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact__list li:first-child { border-top: 1px solid var(--line); }
.contact__list a {
  font: 400 1.15rem/1.2 var(--serif);
  text-decoration: none;
  transition: color .3s var(--ease);
}
.contact__list a:hover { color: var(--muted); }

/* ---------- pie ---------- */
.foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-block: 20px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.foot a { text-decoration: none; color: var(--ink); }

/* ---------- visor ---------- */
.lb {
  border: 0; padding: 0; margin: 0;
  width: 100vw; height: 100vh; height: 100dvh;
  max-width: 100vw; max-height: 100vh; max-height: 100dvh;
  background: transparent;
  color: var(--paper);
}
.lb::backdrop { background: rgba(17, 17, 17, .95); }
.lb[open] { display: grid; place-items: center; }
.lb__img {
  max-width: min(92vw, 1400px);
  max-height: 84vh; max-height: 84dvh;
  width: auto; height: auto;
  object-fit: contain;
}
.lb button {
  position: fixed;
  min-width: 44px; min-height: 44px;
  padding: 12px 14px;
  background: transparent;
  border: 0;
  color: rgba(237, 234, 228, .85);
  cursor: pointer;
  transition: color .3s var(--ease);
}
.lb button:hover { color: #fff; }
.lb__close { top: 14px; right: var(--gutter); }
.lb__prev { left: var(--gutter); top: 50%; transform: translateY(-50%); font-size: 18px; }
.lb__next { right: var(--gutter); top: 50%; transform: translateY(-50%); font-size: 18px; }
.lb__cap { position: fixed; left: var(--gutter); bottom: 18px; color: rgba(237, 234, 228, .7); }

/* ---------- aparición al hacer scroll ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .tile img, .link, .top__nav a { transition: none; }
  .tile:hover img { transform: none; }
}

/* =====================================================================
   Pantallas medianas y móvil
   ===================================================================== */
@media (max-width: 899px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    min-height: 0;
    padding-top: 18px;
  }
  .hero__name {
    grid-column: 1;
    grid-row: 1;
    font-size: clamp(3rem, 20.5vw, 7rem);
    margin-bottom: -.22em;          /* se solapa con el borde superior de la foto */
  }
  .hero__photo { grid-column: 1; grid-row: 2; }
  .hero__photo img { height: auto; aspect-ratio: 4 / 5; object-position: 50% 10%; }
  .hero__facts { grid-column: 1; grid-row: 3; padding-top: 24px; }
  .hero__facts dl { gap: 14px 32px; }

  .sec__head { grid-template-columns: 1fr; row-gap: 12px; }
  .sec__num, .sec__kicker, .sec__title { grid-column: 1; }

  .dark-grid { grid-template-columns: repeat(2, 1fr); }
  .dark-grid figure:nth-of-type(1),
  .dark-grid figure:nth-of-type(2) { grid-column: auto; }

  .ficha { grid-template-columns: 1fr; }
  .ficha__data, .ficha__photo { grid-column: 1; }
  .ficha__photo { max-width: 520px; }

  .contact { grid-template-columns: 1fr; }
  .contact__big, .contact__list { grid-column: 1; }
  .contact__list { margin-top: 24px; }
}

@media (max-width: 699px) {
  .top { grid-template-columns: 1fr 1fr; height: auto; padding-block: 14px 12px; row-gap: 12px; }
  .top__nav { grid-column: 1 / -1; grid-row: 2; gap: 20px; }
  .top__meta { grid-column: 2; grid-row: 1; }

  .grid { grid-template-columns: repeat(2, 1fr); }
  .tile--lg { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 4 / 5; }
  .tile--wide { grid-column: 1 / -1; aspect-ratio: 4 / 3; }

  .lb__prev, .lb__next { top: auto; bottom: 48px; transform: none; }
  .lb__cap { bottom: 100px; }
}

/* ---------- impresión ---------- */
@media print {
  .top, .skip, .lb, .foot a { display: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .sec--dark { background: #fff; color: var(--ink); }
}