:root {
  --ground: #F4F6F5;
  --surface: #FFFFFF;
  --ink: #0F1E2E;
  --ink-soft: #33465A;
  --muted: #64768A;
  --rule: #D6DDDC;
  --rule-soft: #E6EBEA;

  --magenta: #A81C5C;
  --ochre: #B37F14;
  --jade: #1B6553;
  --on-accent: #FFFFFF;

  --accent: var(--magenta);
  --sel: rgba(168, 28, 92, .14);

  --f-display: "Hoefler Text", "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --f-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shell: 1180px;
  --rail: 190px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0C1620;
    --surface: #12202C;
    --ink: #E9EEEC;
    --ink-soft: #C2CDD3;
    --muted: #8FA1AF;
    --rule: #263947;
    --rule-soft: #1C2C39;

    --magenta: #EE7AAC;
    --ochre: #E0AC44;
    --jade: #55AD91;
    --on-accent: #0C1620;
    --sel: rgba(238, 122, 172, .22);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ground: #0C1620;
  --surface: #12202C;
  --ink: #E9EEEC;
  --ink-soft: #C2CDD3;
  --muted: #8FA1AF;
  --rule: #263947;
  --rule-soft: #1C2C39;
  --magenta: #EE7AAC;
  --ochre: #E0AC44;
  --jade: #55AD91;
  --on-accent: #0C1620;
  --sel: rgba(238, 122, 172, .22);
}

:root[data-theme="light"] {
  color-scheme: light;
  --ground: #F4F6F5;
  --surface: #FFFFFF;
  --ink: #0F1E2E;
  --ink-soft: #33465A;
  --muted: #64768A;
  --rule: #D6DDDC;
  --rule-soft: #E6EBEA;
  --magenta: #A81C5C;
  --ochre: #B37F14;
  --jade: #1B6553;
  --on-accent: #FFFFFF;
  --sel: rgba(168, 28, 92, .14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--sel);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- estructura compartida ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 32px;
}

.band {
  padding: 96px 0;
  border-top: 1px solid var(--rule-soft);
}

.split {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 48px;
}

.label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.label--accent {
  color: var(--accent);
}

h1,
h2,
h3 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -.015em;
  text-wrap: balance;
  margin: 0;
}

h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
}

h3 {
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -.01em;
}

p {
  margin: 0;
}

.prose {
  max-width: 62ch;
}

.lede {
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ---------- telar: regla tejida ---------- */

.telar {
  height: 10px;
  width: 100%;
  background:
    linear-gradient(to right,
      var(--magenta) 0 22%,
      var(--ink) 22% 26%,
      var(--ochre) 26% 41%,
      var(--ground) 41% 44%,
      var(--jade) 44% 63%,
      var(--ink) 63% 66%,
      var(--magenta) 66% 78%,
      var(--ochre) 78% 100%);
}

.telar--thin {
  height: 4px;
}

.telar-stack {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

/* ---------- cabecera ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule-soft);
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

/* La marca toma los colores del tema, así que sirve en claro y en oscuro.
   Mide lo mismo que la altura de mayúscula de "NOA" y se apoya en la misma
   línea de base: sin align-self, el borde inferior del SVG hace de base. */
/* Mide exactamente lo que la "O" del logotipo: 19,63 px de alto medidos sobre
   la fuente, y el mismo desborde de 0,6 px por debajo de la línea de base. */
.wordmark .marca {
  display: block;
  width: 22.2px;
  height: 19.6px;
  margin-bottom: -.6px;
  flex: none;
}

.wordmark b {
  font-family: var(--f-display);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
}

.wordmark span {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead-right {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav a {
  font-size: 14.5px;
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.nav a:hover,
.nav a[aria-current] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav .nav-cta {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- selector de idioma ---------- */

.lang {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-left: 24px;
  border-left: 1px solid var(--rule);
}

.lang button {
  appearance: none;
  background: none;
  border: none;
  padding: 2px 0;
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.lang button:hover {
  color: var(--ink);
}

.lang button[aria-pressed="true"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.lang .sep {
  font-size: 12px;
  color: var(--rule);
}

/* ---------- selector de tema ---------- */

.theme {
  display: flex;
  align-items: center;
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.theme button {
  appearance: none;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}

.theme button:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.theme svg {
  display: block;
  width: 16px;
  height: 16px;
}

/* Se muestra el destino del cambio: sol en oscuro, luna en claro. */
.theme .icon-sun {
  display: none;
}

:root[data-theme="dark"] .theme .icon-sun {
  display: block;
}

:root[data-theme="dark"] .theme .icon-moon {
  display: none;
}

/* ---------- hero ---------- */

.hero {
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 56px;
  align-items: end;
}

.hero h1 {
  font-size: clamp(37px, 4.7vw, 60px);
  line-height: 1.06;
  letter-spacing: -.028em;
  margin: 22px 0 0;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 8px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--ground);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn--ghost:hover {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- enfoque ---------- */

.statement-lead {
  font-family: var(--f-display);
  font-size: clamp(24px, 2.9vw, 34px);
  line-height: 1.33;
  letter-spacing: -.015em;
  max-width: 21ch;
}

.statement-sub {
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink-soft);
  max-width: 60ch;
  margin-top: 26px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 64px;
  padding-top: 34px;
  border-top: 1px solid var(--rule);
}

.principle h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.principle p {
  font-size: 15.5px;
  color: var(--muted);
  line-height: 1.6;
}

.thread {
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 16px;
}

.thread--m {
  background: var(--magenta);
}

.thread--o {
  background: var(--ochre);
}

.thread--j {
  background: var(--jade);
}

/* ---------- servicios ---------- */

.cluster {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 48px;
  padding: 46px 0;
  border-top: 1px solid var(--rule);
}

.cluster-head {
  position: sticky;
  top: 92px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cluster-head h3 {
  font-size: 21px;
  line-height: 1.2;
}

.cluster-head .count {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.service {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 40px;
  padding: 26px 0;
  border-top: 1px solid var(--rule-soft);
}

.service:first-child {
  border-top: none;
  padding-top: 0;
}

.service h4 {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.01em;
  margin: 0;
  text-wrap: balance;
}

.service ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.service li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.service li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--accent);
}

/* ---------- método ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.step {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.step .n {
  display: block;
  font-family: var(--f-display);
  font-size: 15px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}

.step h3 {
  font-size: 19px;
  margin-bottom: 9px;
}

.step p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.58;
}

/* ---------- territorio ---------- */

.contexto {
  background: var(--surface);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 88px 0;
}

.contexto blockquote {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(23px, 2.7vw, 32px);
  line-height: 1.36;
  letter-spacing: -.015em;
  max-width: 24ch;
}

.contexto .note {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 54ch;
  line-height: 1.65;
}

.contexto-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  margin-top: 28px;
}

.contexto-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- equipo ---------- */

.persona {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.persona+.persona {
  margin-top: 44px;
  border-top-color: var(--rule-soft);
}

/* Los originales son chicos (172×162): se muestran cerca de su tamaño
   nativo para no ampliarlos. */
.persona-foto {
  display: block;
  width: 100%;
  max-width: 172px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: 50% 38%;
  filter: grayscale(1) contrast(1.04);
  transition: filter .4s ease;
}

.persona-foto:hover {
  filter: contrast(1.04);
}

.persona-marco {
  position: sticky;
  top: 92px;
}

.persona-marco .telar--thin {
  margin-top: 10px;
  max-width: 172px;
}

.persona h3 {
  font-size: 26px;
}

.persona-li {
  display: inline-flex;
  margin-top: 16px;
  color: var(--muted);
  transition: color .18s ease;
}

.persona-li:hover {
  color: var(--accent);
}

.persona-li svg {
  display: block;
  width: 19px;
  height: 19px;
}

.persona-rol {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.persona-bio {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 64ch;
  margin-top: 20px;
}

.persona-bio p {
  font-size: 16px;
  line-height: 1.68;
  color: var(--ink-soft);
}

/* ---------- pie ---------- */

.pie {
  border-top: 1px solid var(--rule);
  padding: 42px 0 56px;
  font-size: 14.5px;
  color: var(--muted);
}

.pie-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
}

.pie-about {
  max-width: 38ch;
  margin-top: 14px;
}

.pie a {
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.pie a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.pie ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pie-legal {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-size: 13px;
}

/* ---------- revelado ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {

  .hero-grid,
  .contexto-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .split,
  .cluster {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .cluster-head {
    position: static;
  }

  .service {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .persona {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .persona-marco {
    position: static;
    max-width: 172px;
  }

  .pie-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .nav {
    display: none;
  }

  .lang {
    padding-left: 0;
    border-left: none;
  }

  .theme {
    padding-left: 16px;
  }

  .band {
    padding: 68px 0;
  }

  .hero {
    padding: 64px 0 48px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .shell {
    padding: 0 20px;
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .statement-lead {
    max-width: none;
  }

  .wordmark span {
    display: none;
  }
}