/* JOAN · estilos
   Estética editorial, monocroma: el color lo aportan los proyectos.
   Para cambiar la tipografía o las proporciones basta con tocar las variables de aquí abajo. */

:root {
  --bg: #fff;
  --fg: #0a0a0a;
  --muted: #666;
  --line: #e2e2e2;
  --soft: #f3f3f3;
  --inv-bg: #000;
  --inv-fg: #fff;
  --gutter: clamp(18px, 3.2vw, 48px);
  --max: 1480px;
  --ratio: 4 / 5;               /* proporción de las miniaturas de proyectos */
  --header-h: 72px;
  --font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", system-ui, sans-serif;
}

*, *::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: 400 1rem/1.65 var(--font);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, textarea { font: inherit; color: inherit; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 0; top: -100px; z-index: 200;
  background: var(--inv-bg); color: var(--inv-fg); padding: .8rem 1.2rem;
}
.skip-link:focus { top: 0; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

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

/* ---------- Cabecera ---------- */
.site-header { position: relative; z-index: 50; }
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: baseline; gap: .7rem; text-decoration: none; }
.brand .logo { height: 1.3rem; width: auto; }
.brand-sub { font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: clamp(1.5rem, 4vw, 3.5rem); }
.nav-list, .lang-switch { display: flex; align-items: center; gap: clamp(1rem, 2.6vw, 2.2rem); }
.site-nav a { text-decoration: none; font-size: .88rem; letter-spacing: .04em; padding-block: .5rem; display: inline-block; }
.nav-list a { border-bottom: 1px solid transparent; }
.nav-list a:hover, .nav-list a[aria-current="page"] { border-bottom-color: currentColor; }
.lang-switch a { font-size: .75rem; letter-spacing: .12em; color: var(--muted); }
.lang-switch a[aria-current="true"], .lang-switch a:hover { color: inherit; }
.lang-switch a[aria-current="true"] { border-bottom: 1px solid currentColor; }

.menu-toggle { display: none; }

/* ---------- Portada ---------- */
body.home .site-header { position: absolute; inset: 0 0 auto 0; color: var(--inv-fg); }
body.home .lang-switch a { color: rgba(255, 255, 255, .65); }
body.home .lang-switch a[aria-current="true"], body.home .lang-switch a:hover { color: #fff; }

.hero {
  background: var(--inv-bg); color: var(--inv-fg);
  min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end;
  padding-block: calc(var(--header-h) + 3rem) clamp(2.5rem, 7vw, 6rem);
}
.hero-inner { display: grid; gap: clamp(1.5rem, 4vw, 3rem); }
.hero-title { display: flex; align-items: baseline; flex-wrap: wrap; gap: .6rem 1.2rem; font-weight: 400; }
.hero-logo .logo { width: clamp(240px, 52vw, 760px); height: auto; }
.hero-sub { font-size: clamp(.8rem, 1.6vw, 1.15rem); letter-spacing: .3em; text-transform: uppercase; }
.hero-tagline { max-width: 32ch; font-size: clamp(1.15rem, 2.2vw, 1.75rem); line-height: 1.35; letter-spacing: -.01em; }

/* ---------- Estructura de páginas ---------- */
.section { padding-block: clamp(3.5rem, 9vw, 9rem); }
.section-tight { padding-block: 0 clamp(4rem, 9vw, 9rem); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: clamp(1.5rem, 4vw, 3.5rem); }
.section-title, .block-label {
  font-size: .75rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.page-head { padding-block: clamp(2.5rem, 7vw, 6rem) clamp(2rem, 5vw, 4rem); }
.page-title { font-size: clamp(2.6rem, 8.5vw, 7.5rem); font-weight: 500; line-height: .95; letter-spacing: -.04em; }
.lead { margin-top: 1.5rem; max-width: 36ch; font-size: clamp(1.2rem, 2.4vw, 1.9rem); line-height: 1.3; letter-spacing: -.01em; }
.empty { padding-block: 2rem 8rem; color: var(--muted); }
.link-arrow { font-size: .88rem; letter-spacing: .04em; }
.eyebrow { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.eyebrow a { text-decoration: none; }
.eyebrow a:hover { color: var(--fg); }

/* ---------- Rejilla de proyectos ---------- */
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 4.5vw, 4.5rem) var(--gutter); }
.grid-featured .card:first-child { grid-column: 1 / -1; }
.grid-featured .card:first-child .card-media { aspect-ratio: 16 / 9; }
.card-link { display: block; text-decoration: none; }
.card-media { overflow: hidden; background: var(--soft); aspect-ratio: var(--ratio); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s ease; }
.card-link:hover .card-media img { opacity: .86; }
.card-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-top: 1rem; }
.card-title { font-size: 1.05rem; font-weight: 500; letter-spacing: -.01em; }
.card-info { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); text-align: right; }
.card[hidden] { display: none; }
@media (min-width: 700px) {
  .grid-projects .card.offset { margin-top: clamp(3rem, 9vw, 9rem); }
}

.filters { display: none; flex-wrap: wrap; gap: .5rem .6rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.js .filters { display: flex; }
.filter-btn {
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  padding: .55rem 1.1rem; min-height: 44px; font-size: .82rem; letter-spacing: .04em; cursor: pointer;
}
.filter-btn:hover { border-color: var(--fg); }
.filter-btn[aria-pressed="true"] { background: var(--fg); border-color: var(--fg); color: var(--bg); }

/* ---------- Proyecto ---------- */
.project-head { padding-block: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem); }
.project-title { margin-top: 1.5rem; font-size: clamp(2.6rem, 9vw, 8rem); font-weight: 500; line-height: .95; letter-spacing: -.04em; }
.project-summary { margin-top: 1.75rem; max-width: 40ch; font-size: clamp(1.15rem, 2.2vw, 1.7rem); line-height: 1.35; }
.project-meta { display: flex; flex-wrap: wrap; gap: 1rem 3rem; margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.project-meta dt { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.project-meta dd { margin-top: .15rem; }
.project-cover { padding-block: 0 clamp(2rem, 5vw, 4rem); }
.project-cover img { width: 100%; }
.project-blocks { padding-block: 0 clamp(2rem, 5vw, 4rem); }
.project-block {
  display: grid; grid-template-columns: minmax(130px, 1fr) 3fr; gap: 1rem var(--gutter);
  padding-block: clamp(1.5rem, 3vw, 2.5rem); border-top: 1px solid var(--line);
}
.prose { max-width: 62ch; }
.prose p + p { margin-top: 1em; }
.prose-lead { max-width: 34ch; font-size: clamp(1.4rem, 3vw, 2.4rem); line-height: 1.25; letter-spacing: -.015em; }
.prose-narrow { max-width: 70ch; }

.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gutter); align-items: start; padding-block: clamp(1rem, 3vw, 2.5rem) clamp(3rem, 7vw, 6rem); }
.gallery-full { grid-column: 1 / -1; }
.gallery-item img { width: 100%; background: var(--soft); }

.project-nav { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 9vw, 8rem); border-top: 1px solid var(--line); }
.project-nav-link { display: grid; gap: .5rem; text-decoration: none; }
.project-nav-next { text-align: right; }
.project-nav-title { font-size: clamp(1.3rem, 3vw, 2.4rem); font-weight: 500; letter-spacing: -.02em; line-height: 1.1; }
.project-nav-link:hover .project-nav-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }

/* ---------- Servicios, sobre mí, contacto ---------- */
.services { border-top: 1px solid var(--line); }
.service {
  display: grid; grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1.4fr); gap: 1rem var(--gutter);
  padding-block: clamp(1.5rem, 3.5vw, 3rem); border-bottom: 1px solid var(--line); align-items: start;
}
.service-num { font-size: .78rem; letter-spacing: .12em; color: var(--muted); padding-top: .6rem; }
.service-title { font-size: clamp(1.6rem, 3.6vw, 3rem); font-weight: 500; line-height: 1.05; letter-spacing: -.03em; }
.service-body .link-arrow { display: inline-block; margin-top: 1rem; }

.about { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 900px) { .about:has(.about-portrait) { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); } }
.about-portrait img { width: 100%; background: var(--soft); }
.about-block { margin-top: clamp(2rem, 5vw, 4rem); padding-top: 1.25rem; border-top: 1px solid var(--line); display: grid; gap: 1rem; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tags li { border: 1px solid var(--line); border-radius: 999px; padding: .4rem 1rem; font-size: .9rem; }

.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 6vw, 5rem); }
@media (min-width: 900px) { .contact-grid:has(.contact-form) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); } }
.contact-list { display: grid; gap: .5rem; margin-top: 1rem; font-size: clamp(1.15rem, 2.2vw, 1.6rem); letter-spacing: -.01em; }
.contact-form .block-label { margin-bottom: 1.75rem; }

.field { display: grid; gap: .25rem; margin-bottom: 1.5rem; }
.field label { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--fg); border-radius: 0;
  padding: .7rem 0; font-size: 1.05rem; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-bottom-width: 2px; }
.consent { display: flex; align-items: flex-start; gap: .75rem; margin-bottom: 1.5rem; font-size: .88rem; color: var(--muted); }
.consent input { margin-top: .3rem; width: 1.1rem; height: 1.1rem; accent-color: #000; flex: none; }
.hp { position: absolute; left: -9999px; }
.btn {
  background: var(--inv-bg); color: var(--inv-fg); border: 1px solid var(--inv-bg); cursor: pointer;
  padding: 1rem 1.8rem; min-height: 48px; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
}
.btn:hover { background: var(--bg); color: var(--fg); }
.btn[disabled] { opacity: .5; cursor: progress; }
.form-status { margin-top: 1rem; min-height: 1.6em; }

.notfound { display: grid; gap: .75rem; }

/* ---------- Pie ---------- */
.site-footer { border-top: 1px solid var(--line); font-size: .85rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; padding-block: 2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }

/* ---------- Móvil ---------- */
@media (max-width: 820px) {
  .js .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center; position: relative; z-index: 70;
    width: 48px; height: 48px; margin-right: -12px; background: transparent; border: 0; cursor: pointer; color: inherit;
  }
  .menu-icon, .menu-icon::before { content: ""; display: block; width: 24px; height: 2px; background: currentColor; position: relative; transition: transform .2s ease; }
  .menu-icon::before { position: absolute; top: 7px; left: 0; }
  .menu-icon { top: -3.5px; }
  body.menu-open .menu-icon { transform: translateY(3.5px) rotate(45deg); }
  body.menu-open .menu-icon::before { top: 0; transform: rotate(-90deg); }

  .js .site-nav {
    position: fixed; inset: 0; z-index: 60; background: var(--inv-bg); color: var(--inv-fg);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 2.5rem;
    padding: var(--header-h) var(--gutter) 3rem; display: none;
  }
  body.menu-open .site-nav { display: flex; }
  body.menu-open { overflow: hidden; }
  body.menu-open .site-header { color: var(--inv-fg); position: fixed; inset: 0 0 auto 0; }
  .js .brand { position: relative; z-index: 70; }
  .js .nav-list { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .js .nav-list a { font-size: clamp(2rem, 9vw, 3rem); letter-spacing: -.03em; }
  .js .lang-switch a, body.home .lang-switch a { color: rgba(255, 255, 255, .7); font-size: .85rem; }
  .js .lang-switch a[aria-current="true"] { color: #fff; }

  /* Sin JavaScript el menú se muestra en una fila bajo el logotipo */
  html:not(.js) .header-inner { flex-wrap: wrap; padding-block: 1rem; }
  html:not(.js) .site-nav { flex-wrap: wrap; gap: .5rem 1.5rem; }
  html:not(.js) .nav-list { flex-wrap: wrap; }

  .grid, .gallery { grid-template-columns: 1fr; }
  .gallery-full, .grid-featured .card:first-child { grid-column: auto; }
  .grid-featured .card:first-child .card-media { aspect-ratio: var(--ratio); }
  .project-block { grid-template-columns: 1fr; }
  .service { grid-template-columns: 2.5rem 1fr; }
  .service-body { grid-column: 2; }
  .project-nav { grid-template-columns: 1fr; }
  .project-nav-next { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

@media print {
  .site-header, .site-footer, .filters, .project-nav { display: none; }
}