@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-latin-400-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f5f3ec;
  --ink: #1a2420;
  --muted: #4f5c54;
  --line: #c3ccc3;
  --line-strong: #1a2420;
  --accent: #1e6a4d;
  --accent-tint: #e1ebe2;
  --deep: #183d30;
  --on-deep: #eaf1ec;
  --on-deep-muted: #b9ccc1;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-space: clamp(3.5rem, 8vw, 6.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--deep); scroll-behavior: smooth; scroll-padding-top: 1rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
h1, h2, h3, p, dl, dd, ol { margin: 0; }
a { color: inherit; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 2px; }
::selection { background: #c9ddcf; color: var(--ink); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.wrap { width: 100%; max-width: 78rem; margin-inline: auto; padding-inline: var(--gutter); }
.skip-link { position: absolute; z-index: 10; top: 0.5rem; left: 0.5rem; padding: 0.55rem 0.8rem; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: none; }

/* Cabecera */
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 1.5rem; padding-block: 0.5rem; }
.site-name { font-weight: 600; font-size: 0.95rem; text-decoration: none; min-height: 2.75rem; display: inline-flex; align-items: center; }
.primary-nav { order: 3; flex-basis: 100%; display: flex; flex-wrap: wrap; gap: 0 1rem; margin-top: -0.25rem; }
.primary-nav a { display: inline-flex; align-items: center; min-height: 2.75rem; font-size: 0.875rem; text-decoration: none; color: var(--muted); }
.primary-nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 0.3em; text-decoration-thickness: 1px; }
.language-switch { display: flex; gap: 0.75rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; }
.language-current { color: var(--ink); }
.language-link { color: var(--muted); font-weight: 400; text-decoration: none; min-height: 2.75rem; display: inline-flex; align-items: center; }
.language-link:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 0.3em; }
.language-switch { align-items: center; }

/* Hero */
.hero { padding-block: clamp(3.5rem, 10vw, 8rem) clamp(3.5rem, 8vw, 6.5rem); }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(3rem, 9vw, 7.25rem); line-height: 1;text-wrap: balance; }
.hero-grid { display: grid; gap: 2rem; margin-top: clamp(1.75rem, 4vw, 3rem); }
.hero-position span:not(.sr-only) { display: block; }
.hero-position { font-family: var(--serif); font-style: italic; font-size: clamp(1.4rem, 3vw, 2.15rem); line-height: 1.3; letter-spacing: -0.01em; color: var(--accent); }
.hero-intro { max-width: 32rem; }
.hero-intro > p:first-child { color: var(--ink); }
.hero-links { display: flex; flex-wrap: wrap; gap: 0 1.5rem; margin-top: 1rem; }
.text-link { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--accent); font-weight: 600; font-size: 0.95rem; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.35em; }
.text-link:hover { text-decoration-thickness: 2px; }

/* Recorrido: línea de ruta del hero */
.route { display: block; width: 100%; height: auto; margin-top: clamp(1.25rem, 3vw, 2.25rem); overflow: visible; }
.route-line { fill: none; stroke: var(--accent); stroke-width: 2.5; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.route-stop { fill: var(--paper); stroke: var(--accent); stroke-width: 2.25; vector-effect: non-scaling-stroke; }
.route-now { fill: var(--accent); }
.route-wide { display: none; }
@media (min-width: 48rem) { .route-wide { display: block; } .route-narrow { display: none; } }

@media (prefers-reduced-motion: no-preference) {
  .route-line { stroke-dasharray: 200% 200%; stroke-dashoffset: 200%; animation: draw 1.8s cubic-bezier(.45, 0, .2, 1) .3s forwards; }
  .route-stop, .route-now { opacity: 0; animation: appear .4s ease-out forwards; }
  .route circle:nth-of-type(1) { animation-delay: .3s; }
  .route circle:nth-of-type(2) { animation-delay: .75s; }
  .route circle:nth-of-type(3) { animation-delay: 1.15s; }
  .route circle:nth-of-type(4) { animation-delay: 1.55s; }
  .route circle:last-of-type { animation-delay: 2.1s; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes appear { to { opacity: 1; } }

/* Estructura de sección: título a la izquierda, contenido a la derecha en escritorio */
.section { padding-block: var(--section-space); }
.section + .section { border-top: 1px solid var(--line); }
.section-grid { display: grid; gap: 1.75rem; }
.section-head h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 4.2vw, 3rem); line-height: 1.1; letter-spacing: -0.025em; text-wrap: balance; }
.section-sub { margin-top: 0.5rem; color: var(--accent); font-size: 0.95rem; }
.section-body { max-width: 44rem; }
.section-body > p + p, .section-body > dl + p { margin-top: 1rem; }
.lead { font-size: 1.125rem; }

/* Trabajo actual */
.section-current { background: var(--accent-tint); }
.section-current + .section { border-top: 0; }
.product-list { margin-block: 1.5rem 2rem; border-top: 1px solid var(--line-strong); }
.product-list > div { padding-block: 1rem; border-bottom: 1px solid var(--line); }
.product-list dt { font-weight: 600; }
.product-list dd { color: var(--muted); font-size: 0.975rem; }
.assistant { margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-top: 1.5rem; border-top: 1px solid var(--line-strong); }
.assistant h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 3vw, 2.2rem); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 1rem; }
.assistant p + p { margin-top: 1rem; }

/* Capacidades */
.capabilities { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.capability { padding-block: 1.25rem 1.5rem; border-bottom: 1px solid var(--line); }
.capability h3 { font-family: var(--serif); font-weight: 400; font-size: 1.45rem; line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 0.4rem; }
.capability p { color: var(--muted); font-size: 0.975rem; }

/* Trayectoria */
.timeline { list-style: none; padding: 0; margin-top: 2.25rem; position: relative; }
.timeline li { position: relative; display: grid; gap: 0.2rem; padding: 0 0 1.6rem 2rem; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 0.42rem; width: 13px; height: 13px; border-radius: 50%; background: var(--paper); border: 2.25px solid var(--accent); box-sizing: border-box; }
.timeline li.is-now::before { left: -2px; top: 0.28rem; width: 17px; height: 17px; background: var(--accent); }
.timeline li:not(:last-child)::after { content: ""; position: absolute; left: 5.5px; top: 0.9rem; bottom: -0.45rem; border-left: 2px solid var(--accent); }
.timeline li::before { z-index: 1; }
.timeline li:last-child { padding-bottom: 0; }
.date { color: var(--accent); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.timeline h3 { font-size: 1.02rem; font-weight: 600; line-height: 1.4; }
.timeline p { color: var(--muted); font-size: 0.975rem; }
.inline-link { color: var(--accent); text-underline-offset: 0.25em; text-decoration-thickness: 1px; }

/* Contacto y pie */
.site-footer { background: var(--deep); color: var(--on-deep); }
.contact { padding-block: var(--section-space) clamp(2.5rem, 6vw, 4.5rem); }
.email-link { display: inline-block; padding-block: 0.4rem; font-family: var(--serif); font-size: clamp(1rem, 3.8vw, 1.5rem); line-height: 1.3; overflow-wrap: anywhere; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.25em; text-decoration-color: var(--on-deep-muted); }
.email-link:hover { text-decoration-color: currentColor; }
.email-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1rem; margin-top: 0.5rem; }
.copy-email { min-height: 2.75rem; padding: 0 1rem; border: 1px solid var(--on-deep-muted); border-radius: 2rem; background: transparent; color: var(--on-deep); font: inherit; font-size: 0.9rem; cursor: pointer; }
.copy-email:hover { background: rgba(234, 241, 236, 0.1); }
.copy-email:focus-visible { outline: 2px solid var(--on-deep); outline-offset: 3px; }
.copy-status { color: var(--on-deep-muted); font-size: 0.9rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 1.5rem; padding-block: 0.75rem; border-top: 1px solid rgba(234, 241, 236, 0.2); color: var(--on-deep-muted); font-size: 0.875rem; }
.footer-bottom a { display: inline-flex; align-items: center; min-height: 2.75rem; text-decoration: none; }
.footer-bottom a:hover { color: var(--on-deep); text-decoration: underline; text-underline-offset: 0.3em; }

@media (min-width: 48rem) {
  .header-inner { flex-wrap: nowrap; padding-block: 0.75rem; }
  .primary-nav { order: 0; flex-basis: auto; margin: 0 0 0 auto; gap: 0 1.75rem; }
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
  .capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 3.5rem); }
  .timeline li { grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1.25rem; }
}

@media (min-width: 64rem) {
  .section-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 5rem); }
  .section-head { padding-top: 0.15rem; }
  .contact { align-items: baseline; }
}

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