@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #12161f;
  --ink-soft: #3c4454;
  --ink-faint: #6b7280;
  --paper: #f5f6f9;
  --surface: #ffffff;
  --line: #dde1e8;
  --deep: #16305c;
  --deep-ink: #0e1e3a;
  --blue: #2f6fb2;
  --blue-strong: #235a95;
  --blue-soft: #e8f1fa;
  --focus: #2f6fb2;

  --serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --edge: 3px;
  --wrap: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #edeff4;
    --ink-soft: #b7bfcc;
    --ink-faint: #7c8494;
    --paper: #0b0e14;
    --surface: #121826;
    --line: #232b3b;
    --deep: #1b3a6e;
    --deep-ink: #0c1526;
    --blue: #6ea3dd;
    --blue-strong: #8fb9e6;
    --blue-soft: rgba(110, 163, 221, 0.1);
  }
}
:root[data-theme="dark"] {
  --ink: #edeff4;
  --ink-soft: #b7bfcc;
  --ink-faint: #7c8494;
  --paper: #0b0e14;
  --surface: #121826;
  --line: #232b3b;
  --deep: #1b3a6e;
  --deep-ink: #0c1526;
  --blue: #6ea3dd;
  --blue-strong: #8fb9e6;
  --blue-soft: rgba(110, 163, 221, 0.1);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--blue-soft); color: var(--blue-strong); }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; text-wrap: balance; margin: 0; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 1.75rem; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-strong);
}
@media (prefers-reduced-motion: no-preference) {
  .pulse circle.node-live { animation: pulse 3.2s ease-in-out infinite; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- header: logo grande + franja de navegación ---------- */
header.site {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: stretch;
  border-bottom: 1px solid var(--deep-ink);
}
.brand-logo-link {
  display: flex; align-items: center; flex-shrink: 0;
  background: var(--deep-ink);
  padding-inline: 1.25rem;
  line-height: 0;
}
.brand-logo { height: 76px; width: 76px; border-radius: 8px; display: block; }
@media (min-width: 640px) {
  .brand-logo-link { padding-inline: 1.75rem; }
  .brand-logo { height: 108px; width: 108px; }
}
@media (min-width: 900px) {
  .brand-logo { height: 136px; width: 136px; }
}
.nav-strip { background: var(--deep); flex: 1; min-width: 0; }
.navlinks-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; gap: 1.5rem;
}
.navlinks { display: none; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.navlinks a {
  color: #cdd7ea; text-decoration: none; font-size: 0.9rem; white-space: nowrap;
}
.navlinks a:hover { color: #fff; }

.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; margin-inline: 0.5rem; padding: 0;
  background: none; border: none; cursor: pointer; flex-shrink: 0;
}
.nav-toggle span {
  display: block; height: 2px; width: 24px; background: var(--deep-ink, #101828);
  border-radius: 2px;
}
.navlinks.is-open {
  display: flex; flex-direction: column; gap: 0; position: absolute;
  top: 100%; left: 0; right: 0; background: var(--deep); padding: 0.5rem 1.5rem 1rem;
  z-index: 20; box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}
.navlinks.is-open a { display: block; padding: 0.7rem 0; border-top: 1px solid rgba(255,255,255,0.1); }
.navlinks.is-open li:first-child a { border-top: none; }

@media (min-width: 900px) {
  .navlinks { display: flex; }
  .nav-toggle { display: none; }
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--sans); font-weight: 600; font-size: 0.9rem;
  padding: 0.65rem 1.2rem; border-radius: var(--edge);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn-accent { background: var(--blue); color: #fff; }
.btn-accent:hover { background: var(--blue-strong); }
.btn-ghost { background: transparent; border-color: #3a4d70; color: #e7edf7; }
.btn-ghost:hover { border-color: #5b7099; }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  padding-block: 1.1rem;
  font-family: var(--mono); font-size: 0.76rem; color: var(--ink-faint);
  border-bottom: 1px solid var(--line);
}
.breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue-strong); }
.breadcrumb .sep { margin: 0 0.5rem; }
.breadcrumb .current { color: var(--ink-soft); }

/* ---------- hero ---------- */
.hero { padding-block: 5.5rem 5rem; }
.hero .wrap { display: grid; gap: 3.5rem; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 880px) { .hero .wrap { grid-template-columns: 1.15fr 0.85fr; } }
.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  line-height: 1.12;
  margin-top: 0.9rem;
}
.hero .lede {
  margin-top: 1.4rem; max-width: 46ch;
  font-size: 1.08rem; color: var(--ink-soft);
}
.hero .cta-row { margin-top: 2.1rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary { background: var(--deep); color: #fff; }
.btn-primary:hover { background: var(--deep-ink); }
.btn-outline { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-outline:hover { border-color: var(--blue); }

.diagram-card {
  border: 1px solid var(--line); background: var(--surface);
  border-radius: var(--edge); padding: 1.6rem;
}
.diagram-card svg { width: 100%; height: auto; display: block; }
.diagram-caption { margin-top: 1rem; font-family: var(--mono); font-size: 0.74rem; color: var(--ink-faint); }

/* ---------- page hero (subpáginas) ---------- */
.page-hero { padding-block: 3.5rem 3rem; border-top: none; }
.page-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-top: 0.7rem; }
.page-hero .lede { margin-top: 1.1rem; max-width: 60ch; font-size: 1.05rem; color: var(--ink-soft); }
.page-hero .cta-row { margin-top: 1.8rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- generic section ---------- */
section { padding-block: 4.5rem; border-top: 1px solid var(--line); }
.section-head { max-width: 62ch; margin-bottom: 2.75rem; }
.section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 0.6rem; }
.section-head p { margin-top: 0.9rem; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- humano digital sequence ---------- */
.flow {
  display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  border: 1px solid var(--line); border-radius: var(--edge); overflow: hidden;
}
.flow-step {
  padding: 1.4rem 1.1rem; background: var(--surface);
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.flow-step:last-child { border-right: none; }
.flow-step .n { font-family: var(--mono); font-size: 0.72rem; color: var(--blue-strong); }
.flow-step .t { margin-top: 0.5rem; font-weight: 600; font-size: 0.96rem; }

/* ---------- proceso (cómo trabajamos, 5 pasos) ---------- */
.process { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.process-step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge); padding: 1.5rem; }
.process-step .n { font-family: var(--mono); font-size: 0.78rem; color: var(--blue-strong); }
.process-step p.t { margin-top: 0.6rem; font-weight: 600; font-size: 1rem; font-family: var(--serif); }

/* ---------- equipo pair ---------- */
.pair { display: grid; gap: 1.25rem; }
@media (min-width: 720px) { .pair { grid-template-columns: 1fr auto 1fr; align-items: stretch; } }
.pair-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge);
  padding: 1.9rem;
}
.pair-card h3 { font-size: 1.1rem; }
.pair-card ul { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); }
.pair-card li + li { margin-top: 0.5rem; }
.pair-join {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); color: var(--blue-strong); font-size: 1.4rem;
}

/* ---------- servicios / cards genéricas ---------- */
.services, .area-grid, .casos-grid, .founders-grid { display: grid; gap: 1.5rem; }
@media (min-width: 780px) { .services { grid-template-columns: 1fr 1fr; } }
@media (min-width: 700px) { .area-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .area-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 700px) { .casos-grid { grid-template-columns: repeat(2, 1fr); } }
.svc-card, .area-card, .caso-card, .founder-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge);
  padding: 2rem; display: flex; flex-direction: column; gap: 0.9rem;
}
.svc-card h3, .area-card h3 { font-size: 1.3rem; margin-top: 0.3rem; }
.svc-card p, .area-card p, .caso-card p { color: var(--ink-soft); }
.svc-card ul, .area-card ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: 0.95rem; }
.svc-card li + li, .area-card li + li { margin-top: 0.35rem; }
.svc-foot { margin-top: auto; padding-top: 0.5rem; font-family: var(--mono); font-size: 0.78rem; color: var(--ink-faint); }
.area-card a.card-link { margin-top: auto; font-family: var(--mono); font-size: 0.82rem; color: var(--blue-strong); text-decoration: none; }
.area-card a.card-link:hover { text-decoration: underline; }

/* ---------- caso de uso ---------- */
.caso-card .caso-industria { font-weight: 600; font-size: 1.05rem; font-family: var(--serif); }
.caso-card dl { margin: 0.4rem 0 0; display: grid; gap: 0.55rem; }
.caso-card dt { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--blue-strong); }
.caso-card dd { margin: 0.15rem 0 0; color: var(--ink-soft); font-size: 0.94rem; }
.disclaimer {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-faint);
  border-left: 2px solid var(--line); padding-left: 1rem; margin-top: 2.5rem; max-width: 68ch;
}

/* ---------- founders / nosotros ---------- */
.founder-card { align-items: flex-start; }
.founder-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--blue-soft); color: var(--blue-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 600; font-size: 1rem;
}
.founder-photo {
  width: 84px; height: 84px; border-radius: 50%;
  object-fit: cover; display: block;
}
.founder-card h3 { font-size: 1.1rem; margin-top: 0.9rem; }
.founder-role { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-faint); }
.founder-pending { font-size: 0.9rem; color: var(--ink-faint); font-style: italic; }
.founder-linkedin {
  font-family: var(--mono); font-size: 0.8rem; color: var(--blue-strong);
  text-decoration: none; margin-top: 0.2rem;
}
.founder-linkedin:hover { text-decoration: underline; }

/* ---------- valor ---------- */
.valor { background: var(--blue-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.valor .wrap { display: grid; gap: 2.5rem; }
@media (min-width: 860px) { .valor .wrap { grid-template-columns: 0.9fr 1.1fr; } }
.valor h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
.valor .lead { color: var(--ink-soft); margin-top: 1rem; }
.valor-note {
  font-family: var(--mono); font-size: 0.85rem; color: var(--ink-soft);
  border-left: 2px solid var(--blue); padding-left: 1.1rem;
  display: flex; flex-direction: column; gap: 0.75rem; justify-content: center;
}

/* ---------- integraciones ---------- */
.integraciones-grid { display: grid; gap: 0.9rem; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.integ-chip {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge);
  padding: 0.9rem 1rem; font-size: 0.88rem; color: var(--ink-soft); text-align: center;
}

/* ---------- proceso soluciones (problema/solución) ---------- */
.problema-solucion { display: grid; gap: 1.5rem; }
@media (min-width: 780px) { .problema-solucion { grid-template-columns: 1fr 1fr; } }
.ps-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge); padding: 1.9rem; }
.ps-card .eyebrow { display: block; margin-bottom: 0.6rem; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0.8rem; max-width: 74ch; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--edge); }
.faq-item summary {
  cursor: pointer; padding: 1.1rem 1.4rem; font-weight: 600; font-size: 0.98rem;
  list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-family: var(--mono); color: var(--blue-strong); font-size: 1.1rem; flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-a { padding: 0 1.4rem 1.2rem; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- partner perfil / beneficios ---------- */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.check-list li { padding-left: 1.5rem; position: relative; color: var(--ink-soft); }
.check-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue-strong); font-family: var(--mono); }

/* ---------- contacto ---------- */
.contact-wrap { display: grid; gap: 3rem; }
@media (min-width: 860px) { .contact-wrap { grid-template-columns: 0.85fr 1.15fr; } }
form.contact { display: grid; gap: 1.1rem; }
form.contact .field-row { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { form.contact .field-row.two { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  font: inherit; padding: 0.75rem 0.85rem; border-radius: var(--edge);
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.field textarea { resize: vertical; min-height: 110px; }
.form-status { font-size: 0.9rem; min-height: 1.2em; }
.form-status.ok { color: #1e7d46; }
.form-status.err { color: #b23b3b; }

/* ---------- admin ---------- */
.admin { border: 1px dashed var(--blue); border-radius: var(--edge); padding: 1.5rem; margin-top: 1rem; }
.admin h3 { font-family: var(--mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.admin-item { padding-block: 0.9rem; border-top: 1px solid var(--line); font-size: 0.9rem; }
.admin-item:first-of-type { border-top: none; }
.admin-item .meta { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-faint); margin-top: 0.3rem; }

/* ---------- CTA final ---------- */
.cta-final { background: var(--deep); color: #fff; text-align: left; }
.cta-final h2 { color: #fff; }
.cta-final p { color: #cdd7ea; margin-top: 1rem; max-width: 60ch; }
.cta-final .cta-row { margin-top: 1.8rem; }
.cta-final .btn-primary { background: var(--blue); }
.cta-final .btn-primary:hover { background: var(--blue-strong); }
.cta-final .btn-outline { background: transparent; border-color: #3a4d70; color: #e7edf7; }
.cta-final .btn-outline:hover { border-color: #5b7099; }

footer.site {
  background: var(--deep-ink); color: #cdd7ea; margin-top: 2rem;
}
footer.site .footer-top {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
  padding-block: 3.5rem 2.5rem;
}
@media (min-width: 700px) {
  footer.site .footer-top { grid-template-columns: 1.3fr 1fr 1fr; }
}
.footer-logo { height: 64px; width: 64px; border-radius: 8px; display: block; }
footer.site .lema { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; color: #93a6c9; margin-top: 1rem; }
footer.site .footer-heading {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: #6d80a8; margin: 0 0 1rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.7rem; }
footer.site .footer-top a { color: #cdd7ea; text-decoration: none; font-size: 0.92rem; }
footer.site .footer-top a:hover { color: #fff; }
footer.site .footer-bottom {
  border-top: 1px solid var(--deep); padding-block: 1.4rem;
  font-family: var(--mono); font-size: 0.75rem; color: #6d80a8;
}
footer.site .footer-bottom p { margin: 0; }