/* ==========================================================================
   Adrián Medina — Portfolio
   Paleta neutra (papel / tinta), un acento apagado y tipografía editorial.
   ========================================================================== */

:root {
  --paper: #f2f0eb;
  --ink: #141413;
  --muted: #5e5b55;
  --line: #d9d5cc;
  --accent: #4b5d8a;         /* azul tinta, poco saturado */
  --card: #e8e5de;

  --bg: var(--paper);
  --fg: var(--ink);
  --fg-2: var(--muted);
  --rule: var(--line);
  --surface: var(--card);

  --sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --pad: clamp(20px, 4vw, 56px);
  --max: 1480px;
  --ease: cubic-bezier(.22, .8, .24, 1);
}

/* Al hacer scroll sobre secciones marcadas con data-theme="dark" la página entera se invierte */
html[data-theme="dark"] {
  --bg: #121211;
  --fg: #ecebe6;
  --fg-2: #a9a69e;
  --rule: #2a2927;
  --surface: #1c1c1a;
}

/* Idiomas: cada texto existe en EN y ES; se oculta el que no toca */
html[data-lang="en"] [data-l="es"],
html[data-lang="es"] [data-l="en"] { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 450 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color .7s var(--ease), color .7s var(--ease);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--fg); color: var(--bg); }

.mono { font: 500 12px/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: 0; }
.muted { color: var(--fg-2); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- Fondo interactivo ---------- */
#field {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
  pointer-events: none;
}

/* ---------- Cabecera ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))) 28px;
  background: linear-gradient(var(--bg) 45%, transparent);
  transition: background .7s var(--ease);
}
.brand { font-weight: 500; letter-spacing: -.01em; justify-self: start; display: flex; gap: 10px; align-items: baseline; }
.brand .mono { color: var(--fg-2); }

.nav {
  display: flex; gap: 2px;
  padding: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--rule);
  transition: background-color .7s var(--ease), border-color .7s var(--ease);
}
.nav a {
  position: relative;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--fg-2);
  transition: color .25s, background-color .25s;
}
.nav a:hover { color: var(--fg); }
.nav a[aria-current="page"] { color: var(--bg); background: var(--fg); }

.tools { justify-self: end; display: flex; align-items: center; gap: 18px; }
.clock { color: var(--fg-2); }
.lang {
  display: flex; gap: 2px;
  border: 1px solid var(--rule); border-radius: 999px; padding: 4px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px);
}
.lang button {
  all: unset; cursor: pointer;
  font: 500 12px/1 var(--mono); letter-spacing: .05em;
  padding: 6px 10px; border-radius: 999px; color: var(--fg-2);
}
html[data-lang="en"] .lang [data-set="en"],
html[data-lang="es"] .lang [data-set="es"] { background: var(--fg); color: var(--bg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: 120px; padding-bottom: 56px;
}
.hero h1 {
  margin: 0;
  font-weight: 450;
  font-size: clamp(42px, 7.4vw, 118px);
  line-height: .98;
  letter-spacing: -.035em;
}
.hero h1 .serif { letter-spacing: -.01em; }
.hero-meta {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}
.hero-meta div { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.hero-meta .mono { color: var(--fg-2); }
.status { display: inline-flex; align-items: center; gap: 12px; }  /* deja aire al halo del punto */
.status-dot { display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 50%; background: #3f9a55; box-shadow: 0 0 0 0 rgba(63,154,85,.55); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(63,154,85,0); } 100% { box-shadow: 0 0 0 0 rgba(63,154,85,0); } }

/* ---------- Encabezados de sección ---------- */
.section { padding: 120px 0; }
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--rule);
  padding-top: 18px; margin-bottom: 56px;
  transition: border-color .7s var(--ease);
}
.section-head h2 { margin: 0; font-weight: 450; font-size: 14px; letter-spacing: 0; }
.section-head .mono { color: var(--fg-2); }

/* ---------- Lista de proyectos ---------- */
.projects { display: flex; flex-direction: column; gap: 140px; }
.project { display: grid; grid-template-columns: 1fr; gap: 28px; }
.project-media {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  cursor: none;
}
.project-media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06);
  transition: transform 1.2s var(--ease);
  will-change: transform;
}
.project:hover .project-media img { transform: scale(1.02); }
.project-info {
  display: grid;
  grid-template-columns: 60px minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.project-index { color: var(--fg-2); padding-top: 8px; }
.project-title { margin: 0 0 8px; font-weight: 450; font-size: clamp(28px, 3.2vw, 44px); letter-spacing: -.025em; line-height: 1.05; }
.project-tagline { margin: 0; color: var(--fg-2); font-size: 18px; max-width: 34ch; }
.project-meta { display: grid; grid-template-columns: auto 1fr; gap: 8px 22px; font-size: 14px; margin: 6px 0 0; }
.project-meta dt { color: var(--fg-2); }
.project-meta dd { margin: 0; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 22px; font-size: 14px;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.link-arrow span.arr { transition: transform .4s var(--ease); }
.link-arrow:hover span.arr, .project:hover .link-arrow span.arr { transform: translateX(6px); }

/* Cursor flotante "Ver caso" sobre las imágenes */
.cursor-tag {
  position: fixed; left: 0; top: 0; z-index: 60;
  pointer-events: none;
  padding: 10px 16px; border-radius: 999px;
  background: var(--fg); color: var(--bg);
  font: 500 12px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase;
  transform: translate(-50%, -50%) scale(0);
  transition: transform .35s var(--ease);
}
.cursor-tag.on { transform: translate(-50%, -50%) scale(1); }

/* ---------- Índice de texto (otros trabajos) ---------- */
.index-list { list-style: none; margin: 0; padding: 0; }
.index-list li {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) minmax(0, 1.2fr) 120px;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
  transition: border-color .7s var(--ease), padding .4s var(--ease);
}
.index-list li:last-child { border-bottom: 1px solid var(--rule); }
.index-list li:hover { padding-left: 10px; }
.index-list .t { font-size: 20px; letter-spacing: -.01em; }
.index-list .d { color: var(--fg-2); font-size: 14px; }
.index-list .s { color: var(--fg-2); justify-self: end; }
.pill {
  display: inline-block;
  border: 1px solid var(--rule); border-radius: 999px;
  padding: 4px 10px;
}

/* ---------- Contacto / cierre ---------- */
.closer { padding-top: 160px; padding-bottom: 48px; }
.closer h2 {
  margin: 0 0 56px;
  font-weight: 450;
  font-size: clamp(40px, 7vw, 108px);
  line-height: 1; letter-spacing: -.035em;
}
.rotator {
  display: inline-grid; vertical-align: bottom;
  /* recorta solo arriba y abajo: las palabras largas nunca se cortan por los lados */
  clip-path: inset(-.05em -100vw -.18em -100vw);
}
.rotator > span {
  grid-area: 1 / 1; justify-self: start; white-space: nowrap;
  transform: translateY(110%); opacity: 0;
  transition: none;                       /* vuelve abajo sin cruzar la vista */
}
.rotator > span.on { transform: translateY(0); opacity: 1; transition: transform .8s var(--ease), opacity .4s; }
.rotator > span.out { transform: translateY(-110%); opacity: 0; transition: transform .8s var(--ease), opacity .6s; }
.mail {
  display: inline-block;
  font-size: clamp(22px, 2.6vw, 34px); letter-spacing: -.02em;
  border-bottom: 1px solid var(--rule);
  transition: border-color .3s;
}
.mail:hover { border-color: var(--fg); }
.mail-hint {
  display: inline-block; vertical-align: middle; margin-left: 14px;
  padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px;
  color: var(--fg-2); transition: background-color .3s, color .3s, border-color .3s;
}
.mail:hover .mail-hint { border-color: var(--fg); color: var(--fg); }
[data-copy] .done { display: none; }
[data-copy].copied .idle { display: none; }
[data-copy].copied .done { display: inline; }
.mail.copied .mail-hint { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.footer {
  margin-top: 120px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  border-top: 1px solid var(--rule); padding-top: 18px;
  color: var(--fg-2);
}
.footer nav { display: flex; gap: 22px; }
.footer a:hover { color: var(--fg); }

/* ---------- Página Sobre mí ---------- */
.about-hero { padding-top: 170px; padding-bottom: 40px; }
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.portrait { position: sticky; top: 100px; }
.portrait img { border-radius: 14px; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%; filter: grayscale(1) contrast(1.02); transition: filter .8s var(--ease); }
.portrait:hover img { filter: grayscale(0); }
.portrait figcaption { margin-top: 12px; color: var(--fg-2); display: flex; justify-content: space-between; }
.lead {
  margin: 0 0 32px;
  font-size: clamp(26px, 2.7vw, 38px); line-height: 1.18; letter-spacing: -.02em; font-weight: 450;
}
.prose p { margin: 0 0 1.1em; color: var(--fg-2); max-width: 60ch; }
.prose p strong { color: var(--fg); font-weight: 500; }

.cv-block { margin-top: 88px; }
.cv-block h3 { margin: 0 0 8px; font-weight: 450; font-size: 14px; display: flex; justify-content: space-between; border-top: 1px solid var(--rule); padding-top: 16px; }
.cv-block h3 .mono { color: var(--fg-2); }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 24px;
  padding: 18px 0; border-bottom: 1px solid var(--rule);
}
.rows .role { font-size: 18px; letter-spacing: -.01em; }
.rows .where { color: var(--fg-2); }
.rows .when { color: var(--fg-2); text-align: right; }
.rows .desc { grid-column: 1 / -1; color: var(--fg-2); font-size: 14px; max-width: 64ch; margin-top: 6px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags span { border: 1px solid var(--rule); border-radius: 999px; padding: 6px 12px; font-size: 14px; }

/* ---------- Caso de estudio ---------- */
.case-hero { padding-top: 160px; }
.back { display: inline-flex; gap: 8px; color: var(--fg-2); margin-bottom: 56px; }
.back:hover { color: var(--fg); }
.case-title {
  margin: 0;
  font-weight: 450; font-size: clamp(56px, 11vw, 180px);
  line-height: .9; letter-spacing: -.05em;
}
.case-sub { margin: 20px 0 0; font-size: clamp(20px, 2vw, 26px); color: var(--fg-2); max-width: 32ch; letter-spacing: -.01em; }
.case-meta {
  margin: 64px 0 32px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  border-top: 1px solid var(--rule); padding-top: 18px;
}
.case-meta div { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.case-meta .mono { color: var(--fg-2); }
.case-cover { border-radius: 14px; overflow: hidden; }
.case-cover img { width: 100%; }

.chapter {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(24px, 5vw, 80px);
  padding: 96px 0 0;
}
.chapter-label { position: sticky; top: 100px; align-self: start; display: flex; gap: 14px; }
.chapter-label .mono { color: var(--fg-2); padding-top: 4px; }
.chapter-label h2 { margin: 0; font-weight: 450; font-size: 22px; letter-spacing: -.015em; }
.chapter-body p { margin: 0 0 1.1em; font-size: 20px; line-height: 1.55; max-width: 58ch; }
.chapter-body p.big { font-size: clamp(24px, 2.4vw, 32px); line-height: 1.25; letter-spacing: -.02em; }
.steps { list-style: none; margin: 8px 0 0; padding: 0; counter-reset: s; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 52px 1fr; padding: 18px 0; border-top: 1px solid var(--rule); }
.steps li::before { content: "0" counter(s); font: 500 12px/1.9 var(--mono); color: var(--fg-2); }
.steps strong { font-weight: 500; display: block; margin-bottom: 4px; }
.steps p { margin: 0; color: var(--fg-2); font-size: 16px; max-width: 56ch; }
.figure { margin: 72px 0 0; }
.figure img { border-radius: 14px; width: 100%; }
.figure figcaption { margin-top: 12px; color: var(--fg-2); }
.figure-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
/* la grabación original es pequeña: se muestra contenida para que se vea nítida */
.video-panel { display: flex; justify-content: center; }
.video-panel video { width: min(480px, 100%); aspect-ratio: 1; border-radius: 14px; display: block; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 12px; }
.stats div { border-top: 1px solid var(--rule); padding-top: 14px; }
.stats b { display: block; font-weight: 450; font-size: 22px; letter-spacing: -.02em; margin-bottom: 6px; }
.stats span { color: var(--fg-2); font-size: 14px; }
.next {
  display: block; margin-top: 160px;
  border-top: 1px solid var(--rule); padding-top: 18px;
}
.next .mono { color: var(--fg-2); }
.next-title {
  display: flex; justify-content: space-between; align-items: center;
  font-size: clamp(48px, 9vw, 140px); letter-spacing: -.05em; line-height: 1; margin-top: 18px;
}
.next-title .arr { font-size: .5em; transition: transform .5s var(--ease); }
.next:hover .next-title .arr { transform: translateX(-12px) rotate(-45deg); }

/* ---------- Animaciones de entrada ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.split-line { display: block; overflow: hidden; padding-bottom: .1em; margin-bottom: -.1em; white-space: nowrap; }
.split-line > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); }
.loaded .split-line > span { transform: none; }
.split-line:nth-child(2) > span { transition-delay: .08s; }
.split-line:nth-child(3) > span { transition-delay: .16s; }
.split-line:nth-child(4) > span { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .header { grid-template-columns: 1fr auto; padding: 14px var(--pad); }
  .nav {
    position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    transition: transform .45s var(--ease), background-color .7s var(--ease), border-color .7s var(--ease);
  }
  /* el menú se esconde al bajar y vuelve al subir, para no tapar el contenido */
  html.nav-away .nav { transform: translate(-50%, calc(100% + 40px)); }
  body { padding-bottom: 72px; }
  .clock { display: none; }
  .nav a { white-space: nowrap; padding: 8px 14px; }
  .split-line { white-space: normal; }
  /* inicio más compacto: el contenido queda por encima del menú inferior */
  .hero { min-height: auto; padding-top: 132px; padding-bottom: 24px; }
  .hero-meta { margin-top: 32px; }
  .hero-meta, .case-meta { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .project-info { grid-template-columns: 1fr; gap: 14px; }
  .project-index { padding: 0; }
  .project-media { cursor: pointer; }
  .index-list li { grid-template-columns: 40px 1fr; }
  .index-list .d, .index-list .s { grid-column: 2; justify-self: start; }
  .about-grid, .chapter { grid-template-columns: 1fr; }
  .portrait, .chapter-label { position: static; }
  .portrait { max-width: 420px; }
  .figure-pair, .stats { grid-template-columns: 1fr; }
  .section { padding: 88px 0; }
  .projects { gap: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  .split-line > span { transform: none; }
  html { scroll-behavior: auto; }
}