/* =============================================================
   Javier Gil Pantoja — Portfolio
   Registro: documento editorial impreso. Papel, tinta, retícula.
   Sin degradados, sin sombras de color, sin fondos animados.

   1. Tokens
   ============================================================= */
:root {
  --paper:    #F5F2EB;
  --paper-2:  #EEEADF;
  --ink:      #191713;
  --ink-2:    #55514A;
  --ink-3:    #8A8478;
  --rule:     rgba(25, 23, 19, 0.14);
  --rule-2:   rgba(25, 23, 19, 0.30);
  --accent:   #23425E;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans:  "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1160px;
  --nav-h: 64px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3 { font-weight: 400; line-height: 1.12; letter-spacing: -0.012em; text-wrap: balance; }
::selection { background: var(--ink); color: var(--paper); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 999;
  padding: .6rem 1rem; background: var(--ink); color: var(--paper);
}
.skip-link:focus { top: 1rem; }

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

/* Etiqueta pequeña en monoespaciada — el único recurso "técnico" del diseño */
.label {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* =============================================================
   3. Navegación
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease-out);
}
.nav.is-scrolled { border-bottom-color: var(--rule); }
.nav-inner {
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  margin-right: auto;
  letter-spacing: -0.01em;
}
.nav-links { display: none; gap: 1.75rem; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.nav-links a {
  font-size: .875rem;
  color: var(--ink-2);
  position: relative;
  padding-block: .2rem;
  transition: color .3s var(--ease-out);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-soft);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-burger { display: grid; gap: 5px; padding: .5rem; margin-right: -.5rem; }
@media (min-width: 900px) { .nav-burger { display: none; } }
.nav-burger span {
  display: block; width: 22px; height: 1px; background: var(--ink);
  transition: transform .35s var(--ease-out);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 90;
  background: var(--paper);
  display: grid; place-items: center;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .5s var(--ease-soft);
}
.nav-mobile[aria-hidden="false"] { clip-path: inset(0); }
.nav-mobile nav { display: grid; gap: 1rem; text-align: center; }
.nav-mobile a { font-family: var(--serif); font-size: 1.75rem; }

/* =============================================================
   4. Inicio
   ============================================================= */
.intro { padding-block: clamp(3rem, 8vw, 6.5rem) 0; }
.intro-grid { display: grid; gap: clamp(2.25rem, 5vw, 4rem); }
@media (min-width: 900px) {
  .intro-grid { grid-template-columns: 1fr 0.52fr; align-items: end; }
}
.intro-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 8.5vw, 6.25rem);
  font-weight: 300;
  font-variation-settings: "opsz" 72;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-top: 1.1rem;
}
.intro-role {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-style: italic;
  font-weight: 300;
  color: var(--ink-2);
  margin-top: .9rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.intro-body {
  margin-top: 1.5rem;
  max-width: 46ch;
  font-size: 1.0625rem;
  color: var(--ink-2);
}
.intro-actions { margin-top: 1.9rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }

.intro-figure { align-self: end; }
.intro-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 32%;
  filter: grayscale(1) contrast(1.04);
  background: var(--paper-2);
}
@media (min-width: 900px) { .intro-figure img { aspect-ratio: 3 / 4.5; } }

/* Datos: no son "stats de landing", son una línea de ficha */
.facts {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-block: 1.6rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: grid; gap: 1.4rem;
}
@media (min-width: 720px) { .facts { grid-template-columns: repeat(3, 1fr); gap: 2rem; } }
.facts li { display: flex; align-items: baseline; gap: .7rem; }
.facts-n {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  flex: 0 0 auto;
}
.facts-t { font-size: .875rem; color: var(--ink-2); }

/* =============================================================
   5. Botones y enlaces
   ============================================================= */
.btn {
  display: inline-flex; align-items: center;
  padding: .75rem 1.5rem;
  background: var(--ink); color: var(--paper);
  font-size: .9rem;
  transition: background-color .3s var(--ease-out);
}
.btn:hover { background: var(--accent); }

.link-arrow {
  font-size: .9rem;
  color: var(--ink);
  border-bottom: 1px solid var(--rule-2);
  padding-bottom: 2px;
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.link-arrow:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* =============================================================
   6. Estructura de sección (raíl a la izquierda, contenido a la derecha)
   ============================================================= */
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); border-top: 1px solid var(--rule); }
.section-alt { background: var(--paper-2); }

.sec-grid { display: grid; gap: 1.75rem; }
@media (min-width: 960px) {
  .sec-grid { grid-template-columns: 9rem 1fr; gap: 3.5rem; align-items: start; }
  .rail { position: sticky; top: calc(var(--nav-h) + 2rem); padding-top: .55rem; }
}
@media (max-width: 959px) { .rail { display: none; } }

.sec-head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.sec-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.025em;
}
.sec-note { margin-top: .7rem; color: var(--ink-2); font-size: 1rem; max-width: 52ch; }

/* =============================================================
   7. Cómo trabajo
   ============================================================= */
.areas { display: grid; gap: 0; }
@media (min-width: 860px) { .areas { grid-template-columns: repeat(2, 1fr); column-gap: 3rem; } }
.areas article {
  padding-block: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--rule);
}
.areas h3 {
  font-family: var(--serif);
  font-size: 1.25rem; font-weight: 400;
  margin-bottom: .7rem;
}
.areas p { color: var(--ink-2); font-size: .95rem; max-width: 56ch; }
.area-tools {
  margin-top: .9rem;
  font-family: var(--mono); font-size: .72rem; color: var(--ink-3) !important;
}

.stack { margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.6rem; border-top: 1px solid var(--rule); }
.stack .label { margin-bottom: .7rem; }
.stack-list { font-size: .95rem; color: var(--ink-2); max-width: 70ch; }

/* =============================================================
   8. Experiencia y formación
   ============================================================= */
.entries { display: grid; }
.entry {
  display: grid; gap: .5rem;
  padding-block: clamp(1.5rem, 3vw, 2.1rem);
  border-top: 1px solid var(--rule);
}
.entry:last-child { border-bottom: 1px solid var(--rule); }
@media (min-width: 720px) {
  .entry { grid-template-columns: 9rem 1fr; gap: 2rem; }
}
.entries-tight .entry { padding-block: clamp(1.1rem, 2.2vw, 1.5rem); }
.entry-when {
  font-family: var(--mono); font-size: .78rem;
  color: var(--ink-3); padding-top: .3rem; white-space: nowrap;
}
.entry-main h3 {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  font-weight: 400; letter-spacing: -0.018em;
}
.entry-alt { color: var(--ink-2); }
.entry-org { margin-top: .3rem; font-size: .9rem; color: var(--ink-2); }
.entry-main > p:not(.entry-org) { margin-top: .8rem; color: var(--ink-2); font-size: .95rem; max-width: 64ch; }
.badge {
  display: inline-block; margin-left: .5rem;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid currentColor;
  padding: .1rem .4rem;
  vertical-align: 1px;
}

/* =============================================================
   9. Sobre mí
   ============================================================= */
.prose { display: grid; gap: 1.1rem; max-width: 62ch; }
.prose p { font-size: 1.0625rem; color: var(--ink-2); }
.prose p:first-child { color: var(--ink); }

.meta {
  margin-top: 2.25rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
  display: grid; gap: .8rem;
}
.meta div { display: flex; flex-wrap: wrap; gap: .8rem; align-items: baseline; }
.meta dt {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
  flex: 0 0 6rem;
}
.meta dd { margin: 0; font-size: .95rem; }

/* =============================================================
   10. Contacto
   ============================================================= */
.channels {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.75rem; border-top: 1px solid var(--rule);
  display: grid; gap: 1.4rem;
}
@media (min-width: 720px) { .channels { grid-template-columns: repeat(2, 1fr); } }
.channels li { display: grid; gap: .35rem; }
.channels a {
  font-family: var(--serif);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--ink);
  border-bottom: 1px solid var(--rule-2);
  padding-bottom: 3px;
  justify-self: start;
  transition: color .3s var(--ease-out), border-color .3s var(--ease-out);
  overflow-wrap: anywhere;
}
.channels a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* =============================================================
   11. Pie
   ============================================================= */
.footer { border-top: 1px solid var(--rule); padding-block: 2rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: .75rem 2rem; align-items: center; font-size: .85rem; }
.footer-inner p:first-child { margin-right: auto; }
.footer-legal { font-family: var(--mono); font-size: .72rem; color: var(--ink-3); }
.footer a { color: var(--ink-2); transition: color .3s var(--ease-out); }
.footer a:hover { color: var(--ink); }

/* =============================================================
   12. Aparición al hacer scroll
   Sólo se oculta si hay JS capaz de volver a mostrarlo, y con red
   de seguridad a los 6 s por si el JS fallase.
   ============================================================= */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease-soft), transform .7s var(--ease-soft);
  animation: revealSafety .01s 6s forwards;
}
html.js [data-reveal].is-revealed { opacity: 1; transform: none; }
@keyframes revealSafety { to { opacity: 1; transform: none; } }

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