/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* Paleta extraída de tu CV: violeta #7030A0, lavanda #D3D3F0, gris #7F7F7F */
  --bg:        #140b1e;
  --bg-2:      #1b1027;
  --surface:   #211531;
  --surface-2: #2a1a3d;
  --ink:       #f5eefc;
  --ink-soft:  rgba(245,238,252,0.82);
  --ink-mute:  rgba(245,238,252,0.62);
  --ink-dim:   rgba(245,238,252,0.38);
  --line:      rgba(245,238,252,0.14);
  --line-soft: rgba(245,238,252,0.08);

  --accent:    #a874e8;
  --accent-2:  #7030a0;
  --accent-3:  #9a93a8;
  --accent-ink: #1b0f2e;

  --grad-1: #a874e8;
  --grad-2: #7030a0;
  --grad-3: #c25fd1;
  --grad-4: #4c2e7a;

  --shadow-soft: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 16px;
  --radius-sm: 10px;

  --sans: "Fira Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: "Cantarell", var(--sans);
  --brand: "Audiowide", var(--display);
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-h: 76px;
  color-scheme: dark;
}

:root[data-theme="light"] {
  /* Lavanda #D3D3F0 y violeta #7030A0 tal cual aparecen en tu CV */
  --bg:        #d3d3f0;
  --bg-2:      #e4e3f8;
  --surface:   #ffffff;
  --surface-2: #f1eefb;
  --ink:       #14101c;
  --ink-soft:  rgba(20,16,28,0.85);
  --ink-mute:  rgba(20,16,28,0.62);
  --ink-dim:   rgba(20,16,28,0.42);
  --line:      rgba(112,48,160,0.18);
  --line-soft: rgba(112,48,160,0.1);

  --accent:    #7030a0;
  --accent-2:  #5a2480;
  --accent-3:  #7f7f7f;
  --accent-ink: #ffffff;

  --grad-1: #7030a0;
  --grad-2: #9b5de0;
  --grad-3: #c25fd1;
  --grad-4: #4c2e7a;

  --shadow-soft: 0 20px 50px rgba(80,40,120,0.14);
  color-scheme: light;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
  transition: background-color 0.4s var(--ease-out), color 0.4s var(--ease-out);
}
main { flex: 1 0 auto; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { font-family: var(--display); text-wrap: balance; line-height: 1.08; letter-spacing: -0.02em; font-weight: 600; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.mono { font-family: var(--mono); letter-spacing: -0.01em; }

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--accent); color: var(--accent-ink);
  z-index: 9999; border-radius: 8px; font-weight: 600; transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons & chips
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 600;
  font-size: .95rem;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background-color .3s var(--ease-out), border-color .3s var(--ease-out);
  white-space: nowrap;
}
.btn .icon { width: 16px; height: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  color: var(--accent-ink);
  box-shadow: 0 10px 30px -8px color-mix(in srgb, var(--accent-2) 55%, transparent);
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -8px color-mix(in srgb, var(--accent-2) 65%, transparent); }
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
}
.btn-sm { padding: .6rem 1.15rem; font-size: .85rem; }

.chip {
  display: inline-flex; align-items: center;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .85rem;
  font-weight: 500;
}
.chip-sm {
  padding: .3rem .7rem;
  font-size: .72rem;
  font-family: var(--mono);
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent);
}

.badge {
  font-family: var(--mono);
  font-size: .7rem;
  padding: .3rem .6rem;
  border-radius: 999px;
}
.badge-current {
  background: color-mix(in srgb, var(--accent-3) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-3) 40%, transparent);
  color: var(--accent-3);
}
.badge-example {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--ink-dim);
}

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--line-soft);
}
@supports not (backdrop-filter: blur(1px)) {
  .nav { background: var(--bg); }
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
/* La marca es el logo. El texto sigue en el HTML para quien navegue con
   lector de pantalla, pero no se ve. */
.nav-brand {
  display: block;
  width: 11.5rem; height: 2.6rem;
  background: url("assets/img/logo.svg") left center / contain no-repeat;
}
/* En el tema claro, la palabra "root" va en tinta oscura. */
:root[data-theme="light"] .nav-brand {
  background-image: url("assets/img/logo-claro.svg");
}
.site-footer .nav-brand { background-position: center; margin-inline: auto; }

.brand-txt {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

.nav-links { display: flex; align-items: center; gap: 1.3rem; }
.nav-quick { display: none; align-items: center; gap: 1.1rem; }
.nav-links a, .nav-quick a {
  font-size: .87rem; font-weight: 500; color: var(--ink-mute);
  white-space: nowrap;
  position: relative; padding-block: .3rem;
  transition: color .25s var(--ease-out);
}
.nav-links a::after, .nav-quick a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px;
  background: var(--accent);
  transition: right .3s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover, .nav-quick a:hover { color: var(--ink); }
  .nav-links a:hover::after, .nav-quick a:hover::after { right: 0; }
}
.nav-links a.is-current,
.nav-quick a.is-current,
.footer-links a.is-current {
  color: var(--accent);
}
.nav-links a.is-current::after,
.nav-quick a.is-current::after { right: 0; }

/* Proyectos / Manuales quedan siempre visibles en la barra a partir
   de tablet; por debajo de ese ancho vuelven a vivir solo en el desplegable. */
@media (min-width: 720px) {
  .nav-quick { display: flex; }
  .nav-links a.is-dup { display: none; }
}

.nav-actions { display: flex; align-items: center; gap: .7rem; }
.nav-cta { display: none; }

.theme-toggle {
  width: 40px; height: 40px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  color: var(--ink-mute);
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out), transform .3s var(--ease-bounce);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle .icon { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.nav-burger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
}
.nav-burger span {
  display: block; height: 2px; width: 22px; margin-inline: auto;
  background: var(--ink); border-radius: 2px;
  transition: transform .35s var(--ease-out), opacity .25s var(--ease-out);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   6. Sections — shared
   ============================================================= */
section { padding-block: 5.5rem; position: relative; }
.kicker {
  display: inline-block;
  font-size: .82rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  max-width: 20ch;
  margin-bottom: 3rem;
}

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding-top: calc(var(--nav-h) + 2rem);
  overflow: hidden;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(circle 620px at var(--mx, 24%) var(--my, 28%), color-mix(in srgb, var(--grad-1) 55%, transparent) 0%, transparent 60%),
    radial-gradient(circle 700px at calc(var(--mx, 24%) + 34%) calc(var(--my, 28%) + 30%), color-mix(in srgb, var(--grad-3) 45%, transparent) 0%, transparent 60%),
    radial-gradient(circle 560px at calc(100% - var(--mx, 24%)) calc(100% - var(--my, 28%)), color-mix(in srgb, var(--grad-4) 30%, transparent) 0%, transparent 55%),
    var(--bg);
  filter: blur(60px) saturate(140%);
  transition: background 0.6s var(--ease-out);
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 90%);
}
.hero-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero-title {
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  max-width: 16ch;
  margin-bottom: 1.3rem;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--grad-1), var(--grad-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  max-width: 46ch;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--ink-mute);
  margin-bottom: 2rem;
}
.hero-badges {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem;
  max-width: 40rem;
  margin-bottom: 2.4rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 3.5rem; }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem 2.4rem;
  width: 100%; max-width: 640px;
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
}
.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat-value { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 500; color: var(--ink); }
.stat-label { font-size: .8rem; color: var(--ink-dim); max-width: 22ch; }

.hero-scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border-radius: 20px; border: 1.5px solid var(--line);
  display: flex; justify-content: center; padding-top: 8px;
}
.hero-scroll-cue span {
  width: 4px; height: 8px; border-radius: 4px; background: var(--accent);
  animation: scrollCue 1.8s ease-in-out infinite;
}
@keyframes scrollCue { 0%, 100% { opacity: 1; transform: translateY(0); } 50% { opacity: .3; transform: translateY(10px); } }
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-cue span { animation: none; }
}

/* =============================================================
   9. Experience timeline
   ============================================================= */
.timeline { position: relative; display: flex; flex-direction: column; gap: 2.4rem; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(var(--line), transparent 96%);
}
.timeline-item { display: grid; grid-template-columns: 20px 1fr; gap: 1.2rem; }
.timeline-marker { display: flex; justify-content: center; padding-top: 6px; }
.timeline-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--surface-2); border: 2px solid var(--line);
}
.timeline-dot.is-current {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent);
}
.timeline-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .timeline-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-2px); }
}
.timeline-head { display: flex; align-items: center; gap: .8rem; margin-bottom: .6rem; flex-wrap: wrap; }
.timeline-period { color: var(--accent); font-size: .82rem; }
.timeline-role { font-size: 1.25rem; margin-bottom: .2rem; }
.timeline-company { color: var(--ink-mute); font-size: .92rem; margin-bottom: 1rem; }
.timeline-tags { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.timeline-bullets { display: flex; flex-direction: column; gap: .55rem; }
.timeline-bullets li {
  position: relative; padding-left: 1.15rem;
  color: var(--ink-mute); font-size: .9rem; line-height: 1.55;
}
.timeline-bullets li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2);
}

/* =============================================================
   10. Specialization — filter + cards + skills
   ============================================================= */
.filter-bar { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2.6rem; }
.filter-btn {
  padding: .55rem 1.1rem; border-radius: 999px; font-size: .85rem; font-weight: 500;
  border: 1px solid var(--line); color: var(--ink-mute);
  transition: all .3s var(--ease-out);
}
.filter-btn.is-active {
  background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
}
@media (hover: hover) and (pointer: fine) {
  .filter-btn:not(.is-active):hover { border-color: var(--accent); color: var(--accent); }
}

.project-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.2rem;
  margin-bottom: 4rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex; flex-direction: column; gap: .7rem;
  transition: transform .35s var(--ease-out), border-color .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .project-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
    box-shadow: 0 18px 40px -18px color-mix(in srgb, var(--accent) 35%, transparent);
  }
}
.project-card.is-hidden { display: none; }
.project-tag { align-self: flex-start; }
.card-badges { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.project-card h3 { font-size: 1.1rem; }
.project-card p { color: var(--ink-mute); font-size: .9rem; }
.project-stack { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: auto; padding-top: .5rem; }
.project-stack li {
  font-family: var(--mono); font-size: .72rem; color: var(--ink-dim);
  padding: .25rem .55rem; border: 1px solid var(--line); border-radius: 6px;
}

.project-card h3 a { color: inherit; }
@media (hover: hover) and (pointer: fine) {
  .project-card h3 a:hover { color: var(--accent); }
}
.card-link {
  display: inline-flex; align-items: center; gap: .35rem;
  color: var(--accent); font-weight: 600; font-size: .85rem;
}
.card-link svg { width: 14px; height: 14px; transition: transform .25s var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .card-link:hover svg { transform: translateX(3px); }
}

.skills-heading { font-size: 1.3rem; margin-bottom: 1.6rem; }
.skills-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
.skill-group {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
}
.skill-group h4 { color: var(--accent); font-size: .85rem; margin-bottom: 1rem; letter-spacing: .02em; }
.skill-group ul { display: flex; flex-wrap: wrap; gap: .5rem; }
.skill-group li {
  font-size: .82rem; color: var(--ink-soft);
  padding: .4rem .75rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line-soft);
}

/* =============================================================
   10b. Placeholder sections (Proyectos / Manuales)
   ============================================================= */
.subpage-intro { padding-top: calc(var(--nav-h) + 3rem); }

/* Las páginas de artículo usan una columna estrecha y centrada: con el ancho
   completo del contenedor quedaba todo pegado a la izquierda. */
.subpage-intro.is-article .container { max-width: 1060px; }
.article-wrap { display: grid; gap: 2.5rem; }
.article-toc { order: -1; }
.toc-title {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-dim); margin-bottom: .7rem;
}
.article-toc a {
  display: block; padding: .3rem 0 .3rem .75rem;
  border-left: 2px solid var(--line);
  font-size: .86rem; color: var(--ink-mute); line-height: 1.4;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}
.article-toc a:hover, .article-toc a.is-active { color: var(--accent); border-left-color: var(--accent); }
.toc-sub a { padding-left: 1.5rem; font-size: .8rem; }

@media (min-width: 1040px) {
  .article-wrap { grid-template-columns: 210px minmax(0, 1fr); gap: 3.5rem; align-items: start; }
  .article-toc { position: sticky; top: calc(var(--nav-h) + 2rem); }
}
.is-article .section-title { max-width: none; margin-bottom: 0; }
.is-article .article-lead { max-width: none; }
.is-article .article-body { max-width: none; }

.placeholder-lead {
  color: var(--ink-mute);
  max-width: 56ch;
  margin-top: -1.6rem;
  margin-bottom: 2.6rem;
  font-size: 1rem;
}

.back-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .85rem; color: var(--ink-mute);
  margin-bottom: 1.6rem;
}
.back-link svg { width: 14px; height: 14px; }
@media (hover: hover) and (pointer: fine) {
  .back-link:hover { color: var(--accent); }
}

.article-lead {
  color: var(--ink-mute);
  font-size: 1.05rem;
  max-width: 60ch;
  margin: 1rem 0 2.6rem;
}
.article-body { max-width: 65ch; }
.article-body h2 {
  font-size: 1.2rem;
  margin-top: 2.2rem;
  margin-bottom: .9rem;
}
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: var(--ink-mute); margin-bottom: 1rem; }
.article-list li {
  position: relative; padding-left: 1.15rem;
  color: var(--ink-mute); font-size: .95rem; line-height: 1.6; margin-bottom: .55rem;
}
.article-list li::before {
  content: ""; position: absolute; left: 0; top: .6em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2);
}
.article-body .project-stack { margin-top: .6rem; }
.article-body h3 {
  font-size: 1rem;
  margin-top: 1.6rem;
  margin-bottom: .6rem;
  color: var(--ink-soft);
}
.article-body pre {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  margin-bottom: 1.2rem;
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.55;
}
.article-body pre code {
  background: none; padding: 0; border-radius: 0;
  color: var(--ink-soft); font-size: inherit;
  white-space: pre;
}
.article-body pre .cmt { color: var(--ink-dim); }
.callout {
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  padding: .95rem 1.1rem;
  margin-bottom: 1.2rem;
}
.callout-title {
  display: block; font-weight: 600; font-size: .85rem;
  color: var(--accent); margin-bottom: .3rem;
}
.callout p { margin-bottom: 0; }
.article-steps { counter-reset: paso; }
.article-steps li {
  position: relative; padding-left: 2rem;
  color: var(--ink-mute); font-size: .95rem; line-height: 1.6; margin-bottom: .8rem;
}
.article-steps li::before {
  counter-increment: paso; content: counter(paso);
  position: absolute; left: 0; top: .1em;
  width: 1.4rem; height: 1.4rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: .72rem; color: var(--accent-ink);
  background: var(--accent);
}
.field-list li { margin-bottom: .5rem; }
.field-list strong { color: var(--ink); font-weight: 600; }

.article-body code {
  font-family: var(--mono);
  font-size: .88em;
  color: var(--accent);
  background: var(--surface-2);
  padding: .1rem .35rem;
  border-radius: 5px;
}

/* =============================================================
   10b. Comentarios
   ============================================================= */
.comentarios-seccion { padding-top: 0; }
.comentarios-caja {
  max-width: 1060px; margin-inline: auto;
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
}
.comentarios-titulo { font-size: 1.15rem; margin-bottom: .4rem; }
.comentarios-intro { color: var(--ink-mute); font-size: .92rem; max-width: 60ch; margin-bottom: 1.8rem; }

.comentarios-lista { display: grid; gap: 1rem; margin-bottom: 2rem; }
.comentario {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface); padding: 1rem 1.2rem;
}
.comentario-cab {
  display: flex; align-items: baseline; gap: .6rem; flex-wrap: wrap; margin-bottom: .35rem;
}
.comentario-nombre { font-weight: 600; font-size: .92rem; }
.comentario-fecha { font-size: .74rem; color: var(--ink-dim); }
.comentario p { color: var(--ink-mute); font-size: .92rem; white-space: pre-wrap; }
.comentarios-vacio { color: var(--ink-dim); font-size: .9rem; margin-bottom: 2rem; }

.comentarios-form { max-width: 620px; display: grid; gap: 1rem; }
.comentarios-form .form-row { display: grid; gap: .4rem; }
.comentarios-form label { font-size: .85rem; color: var(--ink-mute); }
.comentarios-form input,
.comentarios-form textarea {
  width: 100%; font: inherit; font-size: .92rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: .7rem .85rem;
  transition: border-color .2s var(--ease-out);
}
.comentarios-form input:focus, .comentarios-form textarea:focus { border-color: var(--accent); }
.comentarios-form textarea { resize: vertical; min-height: 7rem; }
/* Campo trampa: invisible para una persona, tentador para un bot. */
.campo-trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.comentarios-form button[disabled] { opacity: .6; cursor: default; }

@media (min-width: 620px) {
  .comentarios-datos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
}

/* =============================================================
   11. Education
   ============================================================= */
.education-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; margin-bottom: 3rem; }
.education-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .education-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-2px); }
}
.education-period { color: var(--accent); font-size: .8rem; display: block; margin-bottom: .5rem; }
.education-card h3 { font-size: 1.08rem; margin-bottom: .3rem; max-width: none; }
.education-institution { color: var(--ink-mute); font-size: .88rem; margin-bottom: 1rem; }
.education-tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.education-tags li {
  font-size: .74rem; font-family: var(--mono); color: var(--ink-dim);
  padding: .28rem .6rem; border: 1px solid var(--line); border-radius: 6px;
}

.languages-row {
  display: flex; flex-wrap: wrap; gap: 1rem;
  padding-top: 2rem; border-top: 1px solid var(--line);
}
.lang-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .7rem 1.1rem; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface);
}
.lang-name { font-size: .88rem; color: var(--ink-soft); }
.lang-level { font-size: .78rem; color: var(--accent); }

/* =============================================================
   12. Contact
   ============================================================= */
.contact-lead { color: var(--ink-mute); max-width: 56ch; margin-top: -1.6rem; margin-bottom: 2.6rem; font-size: 1.02rem; }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.contact-info { display: flex; flex-direction: column; gap: .9rem; max-width: 520px; }
.contact-card {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.1rem 1.2rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
a.contact-card:hover { border-color: var(--accent); transform: translateX(4px); }
.contact-card .icon { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.contact-label { display: block; font-size: .74rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .15rem; }
.contact-value { display: block; font-size: .95rem; font-weight: 500; }

.contact-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem;
  display: flex; flex-direction: column; gap: 1.1rem;
}
.form-row { display: flex; flex-direction: column; gap: .45rem; }
.form-row label { font-size: .82rem; color: var(--ink-mute); }
.form-row input, .form-row textarea {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .8rem .9rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: .92rem;
  resize: vertical;
  transition: border-color .25s var(--ease-out);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--accent); }
.form-submit { justify-content: center; margin-top: .3rem; }
.form-note { font-size: .78rem; color: var(--ink-dim); text-align: center; }
.form-note.is-success { color: var(--accent-3); }

/* =============================================================
   13. Footer
   ============================================================= */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.4rem; }
.footer-inner {
  display: flex; flex-direction: column; gap: 1.4rem;
  align-items: center; text-align: center;
}
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.4rem; }
.footer-links a { font-size: .85rem; color: var(--ink-mute); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: .78rem; color: var(--ink-dim); }

/* =============================================================
   14. Responsive
   ============================================================= */
@media (max-width: 539px) {
  .nav-brand { width: 9.3rem; height: 2.1rem; }
}

@media (min-width: 540px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .education-grid { grid-template-columns: repeat(2, 1fr); }
  .placeholder-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 720px) {
  .contact-grid { grid-template-columns: 1fr 1.1fr; }
  section { padding-block: 7rem; }
}

@media (min-width: 960px) {
  .nav-cta { display: inline-flex; }
  .project-grid { grid-template-columns: repeat(3, 1fr); }
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
  .hero-title { font-size: clamp(3.4rem, 6.4vw, 5.6rem); }
}

.nav-links {
  position: fixed; inset: var(--nav-h) 0 auto 0;
  flex-direction: column; align-items: stretch; gap: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: .5rem 1.25rem 1.5rem;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}
.nav-links.is-open {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.nav-links a { padding-block: .85rem; border-bottom: 1px solid var(--line-soft); }

/* =============================================================
   15. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-cue span { animation: none; }
  .reveal { transition-duration: .25s; }
}