/* =========================================================================
   diegopartida.com — Sistema editorial
   Crema #f5f4f0 · Negro #0e0e0e · Amarillo #f2b705 (solo punto del logo y labels) · Gris #6b6965
   Georgia (display, itálica) + system-ui · Columna de lectura 780px
   ========================================================================= */

:root {
  --cream:   #f5f4f0;
  --black:   #0e0e0e;
  --white:   #ffffff;
  --gray:    #6b6965;
  --gray-2:  #8d8b86;
  --line:    #e3e1da;
  --line-dk: rgba(255,255,255,0.13);
  --yellow:  #f2b705;
  --col:     780px;
  --serif:   Georgia, "Times New Roman", serif; /* @kind font */
  --sans:    system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; /* @kind font */
  --pad:     clamp(1.5rem, 5vw, 2rem);
  --rhythm:  clamp(4.5rem, 9vw, 7rem); /* @kind spacing */
}

/* ---- BASE ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--black);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, .btn:focus-visible, button:focus-visible {
  outline: 2px solid var(--black); outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--col);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* Tipografía editorial compartida */
.display {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  line-height: 1.1; letter-spacing: -0.012em; color: var(--black);
}
.label {
  font-family: var(--sans); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.145em; text-transform: uppercase;
  color: var(--gray); margin: 0 0 1.1rem;
}
.label-yellow { color: var(--yellow); }

/* ---- NAV ---- */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--col); margin-inline: auto;
  padding: 1.15rem var(--pad);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif); font-style: italic; font-size: 1.18rem;
  color: var(--black); text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.3rem; letter-spacing: 0.01em;
}
.nav-logo svg { width: 6px; height: 6px; }
.nav-links {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 1.7rem;
}
.nav-links a {
  font-size: 0.82rem; letter-spacing: 0.015em;
  color: var(--gray); text-decoration: none; transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-cta { color: var(--black); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--black); }

/* ---- BOTONES / ENLACES ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--sans); font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--black); text-decoration: none;
  padding: 0.7rem 1.3rem; border: 1px solid var(--black); background: transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { background: var(--black); color: var(--cream); }
.btn-ghost { border-color: var(--line); color: var(--gray); }
.btn-ghost:hover { background: transparent; color: var(--black); border-color: var(--black); }
.btn-light { border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-light:hover { background: var(--white); color: var(--black); border-color: var(--white); }

/* Enlace de texto con subrayado fino */
.text-link {
  color: var(--black); text-decoration: none;
  border-bottom: 1px solid var(--line); padding-bottom: 1px;
  transition: border-color 0.18s ease;
}
.text-link:hover { border-color: var(--black); }

/* ---- HOME · HERO ---- */
.hero { padding: clamp(4rem, 10vw, 7.5rem) 0 var(--rhythm); }
.hero h1 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(2.7rem, 7vw, 4.1rem); line-height: 1.04; letter-spacing: -0.012em;
  color: var(--black); margin: 0 0 1.85rem;
}
.hero-body { font-size: 1.16rem; line-height: 1.7; color: var(--gray); max-width: 34ch; margin: 0 0 2.6rem; }
.hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ---- HOME · TRACKS ---- */
.tracks { padding: var(--rhythm) 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; }
.track { padding-right: clamp(2rem, 5vw, 3rem); }
.track:last-child { padding-right: 0; padding-left: clamp(2rem, 5vw, 3rem); border-left: 1px solid var(--line); }
.track h3 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.35rem, 2.4vw, 1.6rem); line-height: 1.25; color: var(--black); margin: 0 0 0.85rem;
}
.track p { font-size: 1rem; line-height: 1.7; color: var(--gray); margin: 0 0 1.6rem; }

/* ---- HOME · WORK (franja oscura) ---- */
.work-dark { background: var(--black); color: var(--white); padding: var(--rhythm) 0; }
.work-dark .label { color: rgba(255,255,255,0.5); }
.work-dark h2 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.1; color: #fff;
  margin: 0.4rem 0 clamp(2.5rem, 5vw, 3.5rem);
}
.work-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(2rem, 5vw, 3.5rem); }
.work-card { display: block; color: inherit; padding: 1.9rem 0; border-top: 1px solid var(--line-dk); }
.wc-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.85rem; }
.wc-cat { font-size: 0.67rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.45); }
.wc-year { font-size: 0.7rem; color: rgba(255,255,255,0.32); font-variant-numeric: tabular-nums; }
.wc-title { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.2rem; line-height: 1.3; color: #fff; margin: 0 0 0.55rem; }
.wc-desc { font-size: 0.9rem; line-height: 1.65; color: rgba(255,255,255,0.5); margin: 0; }
.work-cta { margin-top: clamp(2.5rem, 5vw, 3.25rem); }

/* ---- HOME · ABOUT STRIP ---- */
.about-strip { padding: var(--rhythm) 0; }
.about-strip h2 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.8rem, 3.4vw, 2.4rem); line-height: 1.15; color: var(--black); margin: 0.4rem 0 1.6rem;
}
.about-strip p { font-size: 1.0625rem; line-height: 1.8; color: var(--gray); max-width: 62ch; margin: 0 0 1.25rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 0.55rem 1.1rem; margin: 1.75rem 0 2rem; }
.about-tags span { font-size: 0.75rem; letter-spacing: 0.03em; color: var(--gray); }
.about-tags span::after { content: "·"; margin-left: 1.1rem; color: var(--line); }
.about-tags span:last-child::after { content: ""; margin: 0; }

/* ---- HOME · NOTES ---- */
.notes-home { padding: var(--rhythm) 0; border-top: 1px solid var(--line); }
.notes-home-header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 2.25rem; }
.notes-home-header h2 { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.5rem, 2.6vw, 1.8rem); color: var(--black); margin: 0; }
.note-row {
  display: grid; grid-template-columns: 5.5rem 1fr auto; gap: 1.5rem; align-items: baseline;
  padding: 1.15rem 0; border-top: 1px solid var(--line);
  text-decoration: none; color: inherit; transition: opacity 0.15s ease;
}
.note-row:hover { opacity: 0.55; }
.note-date { font-size: 0.74rem; color: var(--gray-2); letter-spacing: 0.02em; }
.note-title { font-size: 1rem; font-weight: 500; color: var(--black); }
.note-topic { font-size: 0.71rem; color: var(--gray-2); text-align: right; text-transform: uppercase; letter-spacing: 0.1em; }

/* ---- PÁGINA INTERIOR · ENCABEZADO ---- */
.page-head { padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 3.5rem); }
.page-head h1 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.012em;
  color: var(--black); margin: 0;
}
.page-head .lede { font-size: 1.16rem; line-height: 1.7; color: var(--gray); max-width: 46ch; margin: 1.5rem 0 0; }

/* Prosa de lectura (about, notas) */
.prose { padding-bottom: var(--rhythm); }
.prose p { font-size: 1.1rem; line-height: 1.85; color: #2a2a27; max-width: 62ch; margin: 0 0 1.5rem; }
.prose p.muted { color: var(--gray); }

/* ---- ABOUT · contacto / secciones ---- */
.about-contact { font-size: 1rem; color: var(--gray); margin: 1.25rem 0 0; }
.about-contact a { color: var(--black); }

.cv { padding: var(--rhythm) 0; border-top: 1px solid var(--line); }
.cv + .cv { border-top: 1px solid var(--line); }
.cv-head { font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.145em; text-transform: uppercase; color: var(--gray); margin: 0 0 2rem; }
.cv-row {
  display: grid; grid-template-columns: 8.5rem 1fr; gap: 1.5rem;
  padding: 1.35rem 0; border-top: 1px solid var(--line); align-items: baseline;
}
.cv-row:first-of-type { border-top: none; padding-top: 0; }
.cv-when { font-size: 0.8rem; color: var(--gray-2); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.cv-role { font-family: var(--serif); font-style: italic; font-size: 1.18rem; line-height: 1.25; color: var(--black); margin: 0 0 0.3rem; }
.cv-org { font-size: 0.92rem; color: var(--gray); }

.areas { padding: var(--rhythm) 0; border-top: 1px solid var(--line); }
.areas-list { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 1.5rem; }
.areas-list span { font-size: 0.95rem; color: #2a2a27; }
.areas-list span::after { content: "·"; margin-left: 1.4rem; color: var(--line); }
.areas-list span:last-child::after { content: ""; margin: 0; }

/* ---- WORK · filtros + lista ---- */
.work-filters { display: flex; flex-wrap: wrap; gap: 1.4rem; padding: 0 0 1rem; }
.work-filters button {
  background: none; border: none; cursor: pointer; padding: 0 0 4px;
  font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--gray);
  border-bottom: 1px solid transparent; transition: color 0.15s ease, border-color 0.15s ease;
}
.work-filters button:hover { color: var(--black); }
.work-filters button.active { color: var(--black); border-bottom-color: var(--black); }

.proj-list { padding-bottom: var(--rhythm); }
.proj {
  display: block; color: inherit;
  padding: 2rem 0; border-top: 1px solid var(--line);
}
.proj-top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 0.7rem; }
.proj-cat { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); }
.proj-year { font-size: 0.75rem; color: var(--gray-2); font-variant-numeric: tabular-nums; }
.proj-title { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.3rem, 2.2vw, 1.55rem); line-height: 1.25; color: var(--black); margin: 0 0 0.5rem; }
.proj-desc { font-size: 0.98rem; line-height: 1.65; color: var(--gray); max-width: 60ch; margin: 0; }

/* ---- WORK · Cómo trabajo ---- */
.how { padding: var(--rhythm) 0; border-top: 1px solid var(--line); }
.how h2 { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1.1; color: var(--black); margin: 0.3rem 0 1rem; }
.how-intro { font-size: 1.1rem; line-height: 1.7; color: var(--gray); max-width: 44ch; margin: 0 0 clamp(2.5rem, 5vw, 3.5rem); }
.svc { display: grid; grid-template-columns: 3.5rem 1fr auto; gap: 1.5rem; padding: 2.25rem 0; border-top: 1px solid var(--line); align-items: start; }
.svc-num { font-family: var(--serif); font-style: italic; font-size: 1.5rem; color: var(--gray-2); line-height: 1; }
.svc-title { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.35rem; color: var(--black); margin: 0 0 0.2rem; }
.svc-kind { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--yellow); margin: 0 0 0.9rem; }
.svc-desc { font-size: 0.98rem; line-height: 1.7; color: var(--gray); max-width: 52ch; margin: 0; }
.svc-meta { font-size: 0.78rem; color: var(--gray-2); white-space: nowrap; text-align: right; }
.how-close { font-size: 1.05rem; line-height: 1.8; color: #2a2a27; max-width: 56ch; margin: clamp(2.5rem, 5vw, 3.5rem) 0 2rem; }

/* ---- CONTACT ---- */
.contact { padding: clamp(4rem, 10vw, 7rem) 0 var(--rhythm); }
.contact h1 { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(2.4rem, 6vw, 3.4rem); line-height: 1.05; color: var(--black); margin: 0 0 1.5rem; }
.contact p { font-size: 1.16rem; line-height: 1.75; color: var(--gray); max-width: 46ch; margin: 0 0 2.25rem; }
.contact-email { font-family: var(--serif); font-style: italic; font-size: clamp(1.4rem, 3vw, 1.9rem); color: var(--black); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: border-color 0.18s ease; }
.contact-email:hover { border-color: var(--black); }

/* ---- ARTÍCULO (nota / caso) ---- */
.article-head { padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2rem, 4vw, 2.75rem); }
.article-head h1 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(2.2rem, 5.2vw, 3.3rem); line-height: 1.08; letter-spacing: -0.012em;
  color: var(--black); margin: 0.4rem 0 0; max-width: 18ch;
}
.byline { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 1.1rem; margin-top: 1.75rem; }
.byline span { font-size: 0.8rem; color: var(--gray-2); letter-spacing: 0.02em; }
.byline span.byline-author { color: var(--black); font-weight: 500; }
.byline span + span::before { content: "·"; margin-right: 1.1rem; color: var(--line); }

.article { padding-bottom: var(--rhythm); }
.article p { font-size: 1.18rem; line-height: 1.85; color: #232320; max-width: 64ch; margin: 0 0 1.5rem; }
.article p:first-of-type { font-size: 1.32rem; line-height: 1.65; color: var(--black); margin-bottom: 1.9rem; }
.article blockquote {
  margin: 2.75rem 0; padding: 0 0 0 1.6rem;
  border-left: 2px solid var(--yellow);
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 1.75rem); line-height: 1.35; color: var(--black); max-width: 28ch;
}
.article blockquote p { font: inherit; color: inherit; margin: 0; max-width: none; }

.article-nav {
  display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  padding-top: clamp(2.5rem, 5vw, 3.5rem); margin-top: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}
.article-nav a { font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--gray); text-decoration: none; transition: color 0.15s ease; max-width: 20ch; }
.article-nav a:hover { color: var(--black); }
.article-nav a.next { text-align: right; margin-left: auto; }

/* ---- FOOTER ---- */
footer { border-top: 1px solid var(--line); padding: clamp(2.75rem, 5vw, 3.5rem) 0; }
.footer-inner { max-width: var(--col); margin-inline: auto; padding-inline: var(--pad); display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-copy { font-size: 0.8rem; color: var(--gray); margin: 0; }
.footer-links { list-style: none; display: flex; gap: 1.5rem; margin: 0; padding: 0; }
.footer-links a { font-size: 0.8rem; color: var(--gray); text-decoration: none; transition: color 0.15s ease; }
.footer-links a:hover { color: var(--black); }

/* ---- RESPONSIVE ---- */
@media (max-width: 680px) {
  .tracks { grid-template-columns: 1fr; }
  .track { padding-right: 0; }
  .track:last-child { padding-left: 0; border-left: none; border-top: 1px solid var(--line); margin-top: clamp(2.5rem, 8vw, 3rem); padding-top: clamp(2.5rem, 8vw, 3rem); }
  .work-grid { grid-template-columns: 1fr; }
  .work-card { padding: 1.6rem 0; }
  .cv-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .svc { grid-template-columns: 2.5rem 1fr; }
  .svc-meta { grid-column: 2; text-align: left; margin-top: 0.5rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream); border-bottom: 1px solid var(--line);
    padding: 1.25rem var(--pad) 1.75rem; gap: 1.15rem; z-index: 200;
  }
  .nav-toggle { display: flex; }
}

@media (max-width: 520px) {
  .hero { padding: clamp(3rem, 12vw, 4rem) 0 var(--rhythm); }
  .hero-body { font-size: 1.08rem; }
  .note-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .note-topic { text-align: left; }
  .notes-home-header { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
  .proj-top { flex-direction: column; gap: 0.3rem; }
}

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