/* =========================================================
   Sara Sánchez Ortiz · Estilos
   Colores y tipografías: cámbialos aquí, en :root
   ========================================================= */

:root {
  /* Colores: light-dark(modo claro, modo oscuro) */
  --paper: light-dark(#FAF6F0, #2B2826);      /* fondo */
  --surface: light-dark(#FFFDF9, #353230);    /* cajas */
  --ink: light-dark(#3D3935, #F3EAE0);        /* texto principal, gris oscuro */
  --ink-soft: light-dark(#6E665F, #C4BBB1);   /* texto secundario */
  --line: light-dark(#E6DCCF, #4A4642);       /* líneas y bordes */
  --link: light-dark(#B4471F, #F0A27A);       /* enlaces, terracota */
  --marker: light-dark(#FFD27A, rgba(255, 190, 90, 0.32));  /* subrayador */
  --code-bg: light-dark(#F1E9DD, #232120);    /* fondo del código */

  /* Tipografías */
  --font-head: "Literata", Georgia, "Times New Roman", serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-code: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;

  /* Medidas */
  --wrap: 72rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 10px;
  --header-h: 4rem;

  /* Sigue al sistema; el botón de la cabecera fuerza uno de los dos con data-theme */
  color-scheme: light dark;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

/* ---------- Base ---------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover { text-decoration-thickness: 2px; }

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

::selection { background: #FFD27A; color: #3D3935; }

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: 6px;
}
.skip-link:focus { top: 1rem; }

/* ---------- Cabecera ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.975rem;
}
.site-nav a { transition: color 0.2s, border-color 0.2s; }
.site-nav a:hover { color: var(--link); }

.site-nav .nav-cta {
  color: var(--ink);
  font-weight: 700;
  border: 1.5px solid var(--ink);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}
.site-nav .nav-cta:hover { border-color: var(--link); }

/* Selector de idioma (ES · EN) */
.lang-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.site-nav .lang-links a {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 0.2rem 0.5rem;
  border: 1.5px solid var(--line);
  border-radius: 6px;
}
.site-nav .lang-links a:hover { border-color: var(--link); }
.site-nav .lang-links a[aria-current="true"] {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

/* Hueco reservado para el logo, arriba a la derecha */
.header-logo {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  margin-left: 0.5rem;
  order: 3;
}
.header-logo img { width: 100%; height: 100%; object-fit: contain; }

.theme-toggle {
  display: none;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  color: var(--ink);
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}
.js .theme-toggle { display: inline-grid; }
.theme-toggle:hover { border-color: var(--ink-soft); }
.theme-toggle svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle[data-mode="dark"] .icon-sun { display: block; }
.theme-toggle[data-mode="dark"] .icon-moon { display: none; }

.nav-toggle {
  display: none;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  background: none;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.95rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .js .nav-toggle { display: inline-block; order: 2; }
  .theme-toggle { order: 1; margin-left: auto; }

  .js .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.25rem;
    display: none;
  }
  .js .site-nav.is-open { display: flex; }

  .js .site-nav a {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
    color: var(--ink);
  }
  .js .site-nav a:hover { color: var(--link); }
  .js .site-nav .lang-links { margin-top: 1rem; }
  .js .site-nav .lang-links a {
    padding: 0.2rem 0.5rem;
    border: 1.5px solid var(--line);
    font-size: 0.85rem;
    color: var(--ink-soft);
  }
  .js .site-nav .lang-links a[aria-current="true"] {
    color: var(--paper);
    border-color: var(--ink);
  }
  .js .site-nav .nav-cta {
    margin-top: 1rem;
    text-align: center;
    border-bottom: 1.5px solid var(--ink);
  }

  /* Sin JavaScript, el menú se muestra en filas */
  html:not(.js) .site-nav { flex-wrap: wrap; gap: 0.75rem 1rem; }
  html:not(.js) .header-inner { flex-wrap: wrap; padding-block: 0.75rem; }
}

/* ---------- Botones ---------- */

.btn {
  display: inline-block;
  font-weight: 700;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  transition: background-color 0.15s, color 0.15s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: transparent; color: var(--ink); }
.btn-secondary { color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--paper); }

/* ---------- Inicio ---------- */

.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-role {
  color: var(--ink-soft);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Títulos escritos como código: tipografía monoespaciada, «>» delante y cursor */
.hero h1,
.section h2,
.explainer-title,
.article h1 {
  font-family: var(--font-code);
  letter-spacing: -0.03em;
}
.hero h1::before,
.section h2::before,
.explainer-title::before,
.article h1::before {
  content: "> " / "";
  color: var(--link);
}

.hero h1 {
  font-size: clamp(2rem, 1.2rem + 3.2vw, 3.6rem);
  font-weight: 600;
  line-height: 1.15;
  max-width: 18ch;
}

/* Efecto de escritura (lo activa js/main.js): cada letra aparece una a una */
.typed .ch { opacity: 0; }
.typed .ch.on { opacity: 1; }

.cursor {
  position: relative;
  display: inline-block;
  width: 0;
}
.cursor::after {
  content: "";
  position: absolute;
  left: 0.04em;
  bottom: -0.06em;
  width: 0.09em;
  height: 1.05em;
  background: var(--link);
}
.cursor.done::after { animation: cursor-blink 1.1s steps(1) infinite; }

@keyframes cursor-blink {
  50% { opacity: 0; }
}

.hero-lead {
  font-size: clamp(1.1rem, 1rem + 0.35vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 54ch;
  margin-top: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-photo {
  margin: 0;
  position: relative;
  max-width: 24rem;
  justify-self: end;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--code-bg);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

/* Si falta una imagen, se muestra un recuadro en su lugar */
.photo-fallback { display: none; }
figure.is-missing img { display: none; }
figure.is-missing .photo-fallback {
  display: grid;
  place-items: center;
  position: absolute;
  inset: 0;
  font-family: var(--font-head);
  color: var(--ink-soft);
  border: 1.5px dashed var(--line);
  border-radius: inherit;
  text-align: center;
  padding: 1rem;
}
.hero-photo.is-missing .photo-fallback { font-size: 4rem; }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { order: -1; justify-self: start; max-width: 11rem; }
}

/* ---------- Demostración «Lo técnico, explicado» ---------- */

.explainer {
  margin-top: clamp(3rem, 6vw, 5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.explainer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 1.75rem;
}

.explainer-title { font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.7rem); }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  order: 3;
  width: 100%;
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}
.lang-switch[hidden] { display: none; }

.lang-switch button {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: transparent;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
}
.lang-switch button:hover { color: var(--ink); border-color: var(--ink-soft); }
.lang-switch button[aria-pressed="true"] {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.tabs [role="tab"] {
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink-soft);
  background: transparent;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  cursor: pointer;
}
.tabs [role="tab"]:hover { color: var(--ink); border-color: var(--ink-soft); }
.tabs [role="tab"][aria-selected="true"] {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: start;
}
.panel[hidden] { display: none; }

.pane-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 0.6rem;
}

.pane-code {
  margin: 0;
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--code-bg);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
}

.pane-dense {
  font-size: 0.98rem;
  color: var(--ink-soft);
  background: var(--code-bg);
  border-radius: 8px;
  padding: 1rem 1.15rem;
}

.pane-plain {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.65rem);
  line-height: 1.4;
  font-weight: 500;
  padding-top: 0.6rem;
}

/* El subrayador: se dibuja de izquierda a derecha al mostrar cada ejemplo */
.marker {
  background-image: linear-gradient(var(--marker), var(--marker));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 100% 0.55em;
}

.panel:not([hidden]) .marker {
  animation: marker-sweep 1.1s cubic-bezier(0.65, 0, 0.35, 1) 0.25s both;
}

@keyframes marker-sweep {
  from { background-size: 0% 0.55em; }
  to   { background-size: 100% 0.55em; }
}

.pane-arrow {
  align-self: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  position: relative;
}
.pane-arrow::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 0.55rem;
  height: 0.55rem;
  border-top: 2px solid var(--ink-soft);
  border-right: 2px solid var(--ink-soft);
  transform: translateX(-2px) rotate(45deg);
}

.explainer-note {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

@media (max-width: 760px) {
  .panel { grid-template-columns: 1fr; }
  .pane-arrow { justify-self: center; transform: rotate(90deg); }
}

/* ---------- Secciones ---------- */

.section {
  padding-block: clamp(4rem, 8vw, 6.5rem);
  border-top: 1px solid var(--line);
}

.section h2 {
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.5rem);
}

.section-head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p {
  color: var(--ink-soft);
  margin-top: 0.75rem;
  max-width: 58ch;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 2rem clamp(2rem, 6vw, 5rem);
}

/* Acordeón de «Sobre mí» (details/summary: funciona sin JavaScript) */
.accordion { max-width: 64ch; border-bottom: 1px solid var(--line); }

.accordion details { border-top: 1px solid var(--line); }

.accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.1rem;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary { transition: color 0.2s, padding-left 0.25s; }
.accordion summary:hover { color: var(--link); padding-left: 0.5rem; }
.accordion details[open] summary { color: var(--link); }

/* El símbolo + gira hasta ser × al abrir */
.accordion summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--ink-soft);
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1), color 0.2s;
}
.accordion details[open] summary::after { transform: rotate(135deg); color: var(--link); }

.accordion details p {
  padding-bottom: 1.4rem;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(-0.5rem);
  transition: opacity 0.35s 0.08s, transform 0.35s 0.08s;
}
.accordion details[open] p { opacity: 1; transform: none; }

/* El contenido se despliega con altura animada (navegadores recientes; en los demás se abre de golpe) */
:root { interpolate-size: allow-keywords; }
.accordion details::details-content {
  block-size: 0;
  overflow: hidden;
  transition: block-size 0.4s cubic-bezier(0.65, 0, 0.35, 1), content-visibility 0.4s allow-discrete;
}
.accordion details[open]::details-content { block-size: auto; }

@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ---------- Servicios ---------- */

/* Línea horizontal con un punto por servicio. En pantallas estrechas la línea pasa a vertical */
.services {
  --gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--gap);
}

.service {
  position: relative;
  padding-top: 2.5rem;
}

/* Tramo de línea que une este punto con el siguiente */
.service::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0;
  right: calc(var(--gap) * -1);
  height: 2px;
  background: var(--line);
  transform-origin: left;
}
.service:last-child::before { right: 0; }

/* El punto */
.service::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink-soft);
  transition: scale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.service:hover::after {
  scale: 1.8;
  background: var(--link);
  border-color: var(--link);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--link) 20%, transparent);
}

.service h3 {
  font-size: clamp(1.5rem, 1.1rem + 1vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.service p {
  margin-top: 0.6rem;
  font-size: 0.975rem;
  color: var(--ink-soft);
}

/* Aparición: la línea se dibuja y los puntos van saliendo de uno en uno (lo activa js/main.js) */
.js .services:not(.is-in) .service::before { transform: scaleX(0); }
.js .services:not(.is-in) .service::after { transform: scale(0); }
.js .services:not(.is-in) .service h3,
.js .services:not(.is-in) .service p { opacity: 0; transform: translateY(0.75rem); }

.js .services .service::before { transition: transform 0.5s ease-out calc(var(--i) * 0.3s + 0.15s); }
.js .services .service::after {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) calc(var(--i) * 0.3s),
              scale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.js .services .service h3,
.js .services .service p { transition: opacity 0.5s calc(var(--i) * 0.3s + 0.1s), transform 0.5s calc(var(--i) * 0.3s + 0.1s); }

@media (max-width: 1000px) {
  .services { grid-template-columns: 1fr; --gap: 2rem; }

  .service { padding: 0 0 0 2.25rem; }

  .service::before {
    top: 0.5rem;
    bottom: calc(var(--gap) * -1);
    left: 0.5rem;
    right: auto;
    width: 2px;
    height: auto;
    transform-origin: top;
  }
  .service:last-child::before { display: none; }
  .service::after { top: 0.2rem; }

  .js .services:not(.is-in) .service::before { transform: scaleY(0); }
}

/* ---------- Proyectos ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}
.project-body .btn { margin-top: auto; }

.project-shot {
  margin: 0;
  position: relative;
  aspect-ratio: 1190 / 944;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--code-bg);
}
.project-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }

.project-body h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.project-body > p { color: var(--ink-soft); margin-top: 0.75rem; }

.project-facts {
  margin: 1.25rem 0 1.5rem;
  display: grid;
  gap: 0.5rem;
}
.project-facts div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
}
.project-facts dt { font-weight: 700; }
.project-facts dd { margin: 0; color: var(--ink-soft); }

.project-small {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
}
.project-small h3 { font-size: 1.35rem; }
.project-small p { color: var(--ink-soft); margin-top: 0.6rem; }
.project-small a { display: inline-block; margin-top: 1rem; font-weight: 700; }

.project-next {
  background: transparent;
  border: 1.5px dashed var(--link);
}

@media (max-width: 760px) {
  .project-grid { grid-template-columns: 1fr; }
}

/* ---------- Trayectoria ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.5rem;
}

.tl-when {
  font-weight: 700;
  color: var(--ink-soft);
  padding-top: 0.15rem;
}

.tl-what {
  position: relative;
  padding: 0 0 2.25rem 1.75rem;
  border-left: 2px solid var(--line);
  max-width: 62ch;
}
.timeline li:last-child .tl-what { padding-bottom: 0; }

/* Mismo punto que en «En qué te puedo ayudar» */
.tl-what::before {
  content: "";
  position: absolute;
  left: calc(-0.525rem - 1px);
  top: 0.2rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink-soft);
  transition: scale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.timeline li:hover .tl-what::before {
  scale: 1.8;
  background: var(--link);
  border-color: var(--link);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--link) 20%, transparent);
}

/* Aparición: los puntos van saliendo de uno en uno (lo activa js/main.js) */
.js .timeline:not(.is-in) .tl-what::before { transform: scale(0); }
.js .timeline:not(.is-in) .tl-when,
.js .timeline:not(.is-in) .tl-what > * { opacity: 0; transform: translateY(0.75rem); }

.js .timeline .tl-what::before {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) calc(var(--i) * 0.3s),
              scale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.js .timeline .tl-when,
.js .timeline .tl-what > * { transition: opacity 0.5s calc(var(--i) * 0.3s + 0.1s), transform 0.5s calc(var(--i) * 0.3s + 0.1s); }

.tl-what h3 { font-size: 1.3rem; }
.tl-org { font-weight: 700; margin-top: 0.15rem; }
.tl-what p:last-child { color: var(--ink-soft); margin-top: 0.5rem; }

@media (max-width: 640px) {
  .timeline li { grid-template-columns: 1fr; gap: 0.25rem; }
  .tl-when { padding-left: 1.75rem; border-left: 2px solid var(--line); padding-bottom: 0.25rem; }
}

/* ---------- Formación y cualidades ---------- */

.cv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem clamp(2rem, 6vw, 5rem);
}

.cv-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.cv-title:not(:first-child) { margin-top: 2.25rem; }
.cv-title + .timeline { margin-top: 1.5rem; }
.timeline + .cv-grid { margin-top: clamp(2.5rem, 5vw, 4rem); }

.cv-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.cv-list li {
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.cv-source {
  margin-top: 0.75rem;
  font-size: 0.925rem;
  color: var(--ink-soft);
}

.skills { margin: 0; }
.skills div {
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--line);
}
.skills div:first-child { border-top: 1px solid var(--line); }
.skills dt { font-weight: 700; }
.skills dd { margin: 0.15rem 0 0; color: var(--ink-soft); }

@media (max-width: 760px) {
  .cv-grid { grid-template-columns: 1fr; }
}

/* ---------- Blog ---------- */

.posts {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 48rem;
}
.posts li {
  padding-block: 1.25rem;
  border-top: 1px solid var(--line);
}
.posts li:last-child { border-bottom: 1px solid var(--line); }

.posts a {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.45rem);
  font-weight: 500;
  color: var(--ink);
  text-decoration-color: var(--line);
}
.posts a:hover { text-decoration-color: var(--ink); }
.posts p { color: var(--ink-soft); font-size: 0.95rem; margin-top: 0.3rem; }
.post-sep { color: var(--line); padding-inline: 0.25rem; }

/* ---------- Contacto ---------- */

.contact-lead {
  color: var(--ink-soft);
  max-width: 56ch;
  margin-top: 1rem;
  font-size: 1.125rem;
}

.contact-mail {
  display: inline-block;
  margin-top: 2rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 1rem + 2.6vw, 2.75rem);
  font-weight: 500;
  color: var(--ink);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
  word-break: break-word;
}
.contact-mail:hover { text-decoration-color: var(--link); }

.contact-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 1.75rem 0 0;
}
.contact-links a { font-weight: 700; }

/* ---------- Pie ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
  font-size: 0.925rem;
  color: var(--ink-soft);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}

/* ---------- Artículos del blog (blog/*.html) ---------- */

.article {
  padding-block: clamp(3rem, 7vw, 5rem);
}
.article-inner { max-width: 42rem; }

.back-link {
  display: inline-block;
  font-weight: 700;
  margin-bottom: 2.5rem;
}

.article h1 {
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem);
  line-height: 1.15;
}
.article-meta {
  color: var(--ink-soft);
  margin-top: 1rem;
}

.article-body {
  margin-top: 2.5rem;
  font-size: 1.125rem;
  line-height: 1.7;
}
.article-body p + p,
.article-body h2 + p { margin-top: 1.25rem; }
.article-body h2 {
  font-size: 1.6rem;
  margin-top: 2.75rem;
}
.article-body ul { padding-left: 1.25rem; margin: 1.25rem 0; }
.article-body li + li { margin-top: 0.4rem; }

/* ---------- Menos movimiento si la persona lo prefiere ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .panel:not([hidden]) .marker { animation: none; }
  .btn { transition: none; }
  .accordion summary,
  .accordion summary::after,
  .accordion details p,
  .accordion details::details-content { transition: none; }
  .js .services .service::before,
  .js .services .service::after,
  .js .services .service h3,
  .js .services .service p,
  .js .timeline .tl-what::before,
  .js .timeline .tl-when,
  .js .timeline .tl-what > * { transition: none; }
}