/* =========================================================
   Autopoyesis — design system
   Paleta de marca conservada: teal #0097b2, naranja #ff6105,
   crema #faf9f6, aqua #5de0e6.
   ========================================================= */
:root {
  --cream: #faf9f6;
  --cream-2: #f1efe8;
  --ink: #0b2a33;
  --ink-2: #244a54;
  --muted: #5a7078;
  --teal: #0097b2;
  --teal-deep: #007188;
  --teal-ink: #063542;
  --aqua: #5de0e6;
  --orange: #ff6105;
  --orange-ink: #b84200;
  --line: rgba(11, 42, 51, 0.14);
  --line-strong: rgba(11, 42, 51, 0.3);
  --white: #ffffff;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(56px, 7vw, 104px);
  --radius: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a, button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--aqua); color: var(--ink); }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: var(--section); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Tipografía ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  letter-spacing: -0.02em;
  line-height: 0.98;
}
.display em { font-style: italic; font-weight: 300; }
.h-xxl { font-size: clamp(2.5rem, 6vw, 5.4rem); }
.h-xl  { font-size: clamp(2rem, 3.8vw, 3.4rem); }
.h-l   { font-size: clamp(1.7rem, 2.8vw, 2.5rem); }
.h-m   { font-size: clamp(1.3rem, 1.8vw, 1.6rem); line-height: 1.15; }
.lead  { font-size: clamp(1.08rem, 1.4vw, 1.25rem); line-height: 1.45; color: var(--ink-2); }
.body-l { font-size: clamp(1rem, 1.15vw, 1.08rem); line-height: 1.6; color: var(--ink-2); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 600; color: var(--teal-deep);
}
.eyebrow::before { content: ""; width: 28px; height: 1.5px; background: currentColor; }
.eyebrow.on-dark { color: var(--aqua); }
.muted { color: var(--muted); }
.accent { color: var(--orange); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 52px; padding: 0 26px;
  border-radius: 999px; border: 1.5px solid transparent;
  font: 600 0.95rem/1 var(--font-body); letter-spacing: 0.01em;
  text-decoration: none; white-space: nowrap;
  transition: transform 220ms var(--ease), background-color 220ms, color 220ms, border-color 220ms, box-shadow 220ms;
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform 220ms var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(0.98); }
.btn-primary, .nav .btn-primary { background: var(--ink); color: var(--white); }
.btn-primary:hover, .nav .btn-primary:hover { background: var(--teal-deep); color: var(--white); }
.btn-accent { background: var(--orange); color: var(--white); }
.btn-accent:hover { background: var(--orange-ink); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); background: rgba(11,42,51,0.04); }
.btn-ghost.on-dark { border-color: rgba(255,255,255,0.45); color: var(--white); }
.btn-ghost.on-dark:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--cream); }
.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; text-decoration: none;
  border-bottom: 1.5px solid currentColor; padding-bottom: 2px;
  transition: gap 200ms var(--ease), color 200ms;
}
.text-link:hover { gap: 14px; color: var(--teal-deep); }
.text-link.on-dark:hover { color: var(--aqua); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--cream) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms, background-color 250ms;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 600; letter-spacing: -0.01em; font-size: 1.1rem; }
.brand-mark { width: 26px; height: 26px; color: var(--teal); }
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand span small { display: block; font-weight: 500; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a { text-decoration: none; font-weight: 500; font-size: 0.98rem; color: var(--ink-2); position: relative; padding: 6px 0; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform 250ms var(--ease); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav .btn { min-height: 44px; padding: 0 20px; }
.nav-toggle { display: none; width: 48px; height: 48px; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; place-items: center; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); position: relative; transition: transform 250ms var(--ease), background 200ms; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink); transition: transform 250ms var(--ease), top 250ms var(--ease); }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .nav {
    position: fixed; inset: 74px 0 auto 0; z-index: 40;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 18px var(--gutter) 28px;
    background: var(--cream); border-bottom: 1px solid var(--line);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform 280ms var(--ease), opacity 220ms;
  }
  .nav-open .nav { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { font-size: 1.25rem; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav .btn { margin-top: 16px; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; color: var(--white);
  min-height: clamp(540px, 82svh, 760px); display: grid; align-items: end;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -3; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); animation: hero-drift 18s ease-in-out infinite alternate; }
@keyframes hero-drift { to { transform: scale(1.12) translate(-1.5%, 1%); } }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(180deg, rgba(6,53,66,0.15) 0%, rgba(6,53,66,0.35) 55%, rgba(6,53,66,0.72) 100%); }
.hero-inner { padding-block: clamp(72px, 9vw, 110px) clamp(36px, 5vw, 56px); display: grid; gap: clamp(32px, 4vw, 56px); }
.hero-title { max-width: 14ch; }
.hero-title em { color: var(--aqua); }
.hero-foot { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: end; border-top: 1px solid rgba(255,255,255,0.3); padding-top: 24px; }
.hero-foot p { max-width: 44ch; font-size: clamp(1.02rem, 1.3vw, 1.18rem); line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; }
.hero-meta { display: flex; gap: 28px; font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.85; }
@media (max-width: 860px) {
  .hero-foot { grid-template-columns: 1fr; }
  .hero-actions { justify-content: flex-start; }
}

/* ---------- Pilares ---------- */
.section-head { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head .display { max-width: 20ch; margin-top: 14px; }
.section-head .mark { width: clamp(44px, 5vw, 68px); color: var(--teal); }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); }
.pillar { padding: 28px 28px 32px 0; border-bottom: 1px solid var(--line); position: relative; }
.pillar + .pillar { padding-left: 28px; border-left: 1px solid var(--line); }
.pillar-num { font-family: var(--font-display); font-size: 0.95rem; color: var(--teal); letter-spacing: 0.06em; margin-bottom: 22px; display: block; }
.pillar h3 { margin-bottom: 10px; }
.pillar p { color: var(--ink-2); max-width: 36ch; font-size: 0.97rem; }
@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 28px 0 32px; border-left: 0; }
  .pillar-num { margin-bottom: 18px; }
}

/* ---------- Manifiesto ---------- */
.manifesto { background: var(--cream-2); }
.manifesto-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); }
.manifesto-quote { position: sticky; top: 110px; align-self: start; }
.manifesto-quote .display { margin-top: 20px; }
.manifesto-body { display: grid; gap: 18px; }
.manifesto-body p { max-width: 62ch; }
.disciplines { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.disciplines li { padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 0.88rem; font-weight: 500; background: var(--cream); }
.audiences { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 4px; }
.audiences li { padding: 12px 0 0; border-top: 1.5px solid var(--ink); font-weight: 600; font-size: 0.9rem; }
@media (max-width: 960px) { .manifesto-grid { grid-template-columns: 1fr; } .manifesto-quote { position: static; } .audiences { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Disciplinas (card gradiente) ---------- */
.fields-grid { display: grid; grid-template-columns: 6fr 6fr; gap: clamp(32px, 4vw, 64px); align-items: center; }
.fields-copy { display: grid; gap: 20px; }
.fields-copy .display { max-width: 16ch; }
.fields-card {
  position: relative; border-radius: var(--radius); overflow: hidden; color: var(--white);
  min-height: 420px; display: grid; align-content: end; padding: 32px; isolation: isolate;
}
.fields-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.fields-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6,30,50,0.05), rgba(6,30,50,0.55)); }
.fields-list { display: grid; gap: 0; }
.fields-list li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: baseline; padding: 13px 0; border-top: 1px solid rgba(255,255,255,0.35); font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 500; line-height: 1.2; }
.fields-list b { font-family: var(--font-display); font-weight: 300; font-size: 0.9em; color: var(--aqua); }
@media (max-width: 960px) { .fields-grid { grid-template-columns: 1fr; } .fields-card { min-height: 440px; padding: 28px; } }

/* ---------- Evolution System ---------- */
.system { background: var(--teal-ink); color: var(--white); position: relative; overflow: hidden; isolation: isolate; }
.system::before {
  content: ""; position: absolute; inset: auto -10% -30% auto; width: 60vw; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,151,178,0.55), transparent 65%); pointer-events: none;
}
.system-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.system-head .display sup { font-size: 0.35em; vertical-align: super; letter-spacing: 0; font-family: var(--font-body); font-weight: 500; }
.system-head p { color: rgba(255,255,255,0.8); max-width: 40ch; justify-self: end; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255,255,255,0.3); position: relative; }
.step { padding: 26px 24px 30px 0; border-bottom: 1px solid rgba(255,255,255,0.2); position: relative; }
.step + .step { padding-left: 24px; border-left: 1px solid rgba(255,255,255,0.2); }
.step-num { font-family: var(--font-display); font-weight: 300; font-size: clamp(2rem, 2.8vw, 2.6rem); color: var(--aqua); line-height: 1; margin-bottom: 20px; display: block; }
.step h3 { font-weight: 500; font-size: 1.12rem; margin-bottom: 8px; line-height: 1.2; }
.step p { color: rgba(255,255,255,0.78); font-size: 0.93rem; }
.system-result { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; margin-top: 32px; max-width: 860px; }
.system-result .result-rule { width: 40px; height: 3px; background: var(--orange); margin-top: 0.7em; flex: none; }
.system-result p { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.25; letter-spacing: -0.01em; }
@media (max-width: 1024px) { .steps { grid-template-columns: repeat(2, 1fr); } .step:nth-child(3) { padding-left: 0; border-left: 0; } }
@media (max-width: 860px) { .system-head { grid-template-columns: 1fr; } .system-head p { justify-self: start; } }
@media (max-width: 600px) { .steps { grid-template-columns: 1fr; } .step, .step + .step { padding: 24px 0 28px; border-left: 0; } .step-num { margin-bottom: 14px; } }

/* ---------- Servicios (grid) ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card {
  position: relative; display: grid; grid-template-rows: auto 1fr; border-radius: var(--radius); overflow: hidden;
  background: var(--white); border: 1px solid var(--line); text-decoration: none; color: inherit;
  transition: transform 300ms var(--ease), box-shadow 300ms var(--ease), border-color 300ms;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(6,53,66,0.45); border-color: var(--line-strong); }
.service-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--teal-ink); }
.service-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 500ms var(--ease), transform 900ms var(--ease); }
.service-media .img-color { opacity: 0; }
.service-card:hover .service-media img { transform: scale(1.04); }
.service-card:hover .img-color { opacity: 1; }
.service-body { padding: 18px 20px 22px; display: grid; gap: 8px; align-content: start; }
.service-body .idx { font-family: var(--font-display); color: var(--teal); font-size: 0.95rem; letter-spacing: 0.06em; }
.service-body h3 { font-size: 1.12rem; font-weight: 500; line-height: 1.2; }
.service-body p { color: var(--ink-2); font-size: 0.92rem; }
.service-body .text-link { margin-top: 8px; font-size: 0.92rem; justify-self: start; }
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- CTA ---------- */
.cta { position: relative; isolation: isolate; color: var(--white); overflow: hidden; }
.cta-bg { position: absolute; inset: 0; z-index: -2; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(6,53,66,0.55), rgba(6,53,66,0.2)); }
.cta.cta-warm { color: var(--ink); }
.cta.cta-warm::after { background: linear-gradient(90deg, rgba(250,249,246,0.55), rgba(250,249,246,0.15)); }
.cta-inner { display: grid; grid-template-columns: 7fr 5fr; gap: 40px; align-items: end; }
.cta-inner .display { max-width: 16ch; margin-top: 16px; }
.cta-side { display: grid; gap: 22px; justify-items: start; }
.cta-side .contact-list { display: grid; gap: 6px; font-size: 1.05rem; }
.cta-side .contact-list a { text-decoration: none; border-bottom: 1px solid currentColor; }
.cta-side .contact-list a:hover { opacity: 0.8; }
@media (max-width: 860px) { .cta-inner { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--white); padding-block: 44px 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.18); }
.footer-grid h4 { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--aqua); margin-bottom: 16px; font-weight: 600; }
.footer-grid a { text-decoration: none; color: rgba(255,255,255,0.85); }
.footer-grid a:hover { color: var(--white); }
.footer-grid ul { display: grid; gap: 10px; }
.footer-tagline { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.5rem, 2.6vw, 2.2rem); line-height: 1.15; letter-spacing: -0.01em; margin-top: 18px; max-width: 16ch; }
.footer-tagline em { color: var(--aqua); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; font-size: 0.85rem; color: rgba(255,255,255,0.6); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- Página Servicios ---------- */
.page-hero { padding-block: clamp(48px, 7vw, 96px) clamp(32px, 5vw, 56px); }
.page-hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 80px); align-items: end; }
.page-hero .display { max-width: 16ch; margin-block: 20px 28px; }
.page-hero .lead { max-width: 50ch; }
.page-hero-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; position: relative; }
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-media figcaption { position: absolute; left: 20px; bottom: 18px; right: 20px; color: var(--ink); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; }
@media (max-width: 900px) { .page-hero-grid { grid-template-columns: 1fr; } .page-hero-media { aspect-ratio: 16 / 10; } }

.service-index { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 22px 0; border-block: 1px solid var(--line); font-size: 0.92rem; }
.service-index a { text-decoration: none; color: var(--ink-2); font-weight: 500; display: inline-flex; gap: 8px; align-items: baseline; padding: 6px 0; }
.service-index a b { font-family: var(--font-display); font-weight: 300; color: var(--teal); }
.service-index a:hover { color: var(--teal-deep); }

.service-detail { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 4vw, 64px); align-items: start; padding-block: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.service-detail:nth-child(even) { grid-template-columns: 7fr 5fr; }
.service-detail:nth-child(even) .service-copy { order: -1; }
.service-figure { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: var(--teal-ink); }
.service-figure img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 600ms var(--ease); }
.service-figure .img-color { opacity: 0; }
.service-detail:hover .img-color { opacity: 1; }
.service-figure .service-tag { position: absolute; top: 18px; left: 18px; padding: 8px 14px; border-radius: 999px; background: rgba(250,249,246,0.9); color: var(--ink); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; }
.service-copy { display: grid; gap: 24px; }
.service-copy h2 { max-width: 14ch; }
.ideal { padding: 18px 20px; border-left: 3px solid var(--orange); background: var(--cream-2); border-radius: 0 12px 12px 0; }
.ideal b { color: var(--orange-ink); }
.service-copy > p { max-width: 56ch; }
.results h3 { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal-deep); font-weight: 600; margin-bottom: 14px; }
.results ul { display: grid; gap: 0; border-top: 1px solid var(--line); }
.results li { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; }
.results li svg { width: 16px; height: 16px; margin-top: 5px; color: var(--teal); flex: none; }
.results li.level { grid-template-columns: 70px 1fr; }
.results li.level b { font-family: var(--font-display); font-weight: 300; color: var(--teal); font-size: 1.05rem; }
@media (max-width: 900px) { .service-detail, .service-detail:nth-child(even) { grid-template-columns: 1fr; } .service-detail:nth-child(even) .service-copy { order: 0; } }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }
.reveal[data-delay="3"] { transition-delay: 270ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg img { animation: none; transform: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

@media (max-width: 700px) {
  .section-head { grid-template-columns: 1fr; }
  .section-head .mark { display: none; }
  .section-head .btn { justify-self: start; }
}

/* ---------- Red de nodos (canvas) ---------- */
.nodes-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; opacity: 0.9; }
.hero .nodes-canvas { mix-blend-mode: screen; }
.system .nodes-canvas { opacity: 0.55; }
.system > .container { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .nodes-canvas { opacity: 0.35; } }