/* ==========================================================================
   NEWN — sistema de diseño base
   Ver README.md para guía de personalización (colores, tipografía, etc).
   ========================================================================== */

:root {
  --color-ink: oklch(22% 0.025 262);
  --color-ink-soft: oklch(42% 0.02 262);
  --color-background: oklch(97.5% 0.008 85);
  --color-surface: oklch(99.2% 0.004 85);
  --color-line: oklch(85% 0.01 85);
  --color-primary: oklch(27% 0.075 262);     /* navy profundo */
  --color-primary-deep: oklch(13% 0.05 262);
  --color-secondary: oklch(42% 0.02 262);
  --color-accent: oklch(74% 0.19 152);       /* verde automatización */
  --color-accent-soft: oklch(90% 0.05 152);
  --color-muted: oklch(72% 0.015 90);

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--color-line) var(--color-background); }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-background);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
h1 em, h2 em { font-style: italic; color: var(--color-primary); }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.mono { font-family: var(--font-mono); }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 40px; }

::selection { background: var(--color-accent); color: var(--color-primary-deep); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--color-background); }
::-webkit-scrollbar-thumb { background: var(--color-line); border-radius: 8px; border: 3px solid var(--color-background); }
::-webkit-scrollbar-thumb:hover { background: var(--color-ink-soft); }

/* scroll reveal — natural, decelerating entrance; IntersectionObserver toggles .in-view (see app.js) */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-group > * { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal-group.in-view > * { opacity: 1; transform: translateY(0); }
.reveal-group.in-view > *:nth-child(1) { transition-delay: .02s; }
.reveal-group.in-view > *:nth-child(2) { transition-delay: .1s; }
.reveal-group.in-view > *:nth-child(3) { transition-delay: .18s; }
.reveal-group.in-view > *:nth-child(4) { transition-delay: .26s; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 3px; cursor: pointer; white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--color-accent); color: var(--color-primary-deep); }
.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-line); }
.btn-ghost.on-dark { border-color: oklch(40% 0.02 262); color: oklch(90% 0.01 90); }
.btn-primary:hover, .btn-ghost:hover { filter: brightness(1.05); }
.btn-link { font-size: 14.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 7px; color: var(--color-primary); }
.icon { width: 15px; height: 15px; flex-shrink: 0; }

/* header / nav */
header.nav {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in oklch, var(--color-background) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 40px; max-width: var(--container); margin: 0 auto; }
.logo { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -0.01em; display: flex; align-items: baseline; gap: 8px; }
.logo .dot { color: var(--color-accent); }
.nav-links { display: flex; align-items: center; gap: 36px; font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary); }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle svg { width: 24px; height: 24px; }
.lang-toggle { background: transparent; border: 1px solid var(--color-line); border-radius: 3px; padding: 7px 11px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .04em; cursor: pointer; color: var(--color-ink); }
.lang-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

@media (max-width: 860px) {
  .nav-links { position: fixed; z-index: 40; inset: 65px 0 0 0; background: var(--color-background); flex-direction: column; align-items: flex-start; padding: 28px 24px; gap: 22px; font-size: 17px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; border-bottom: 1px solid var(--color-line); }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: block; }
  .nav-right .btn-primary { padding: 10px 16px; font-size: 14px; }
}

/* generic section rhythm */
section { padding: 88px 0; border-bottom: 1px solid var(--color-line); }
section.no-border { border-bottom: none; }
section.on-dark {
  background-color: var(--color-primary-deep); color: oklch(94% 0.01 90);
  background-image: radial-gradient(oklch(38% 0.03 262) 1px, transparent 1px);
  background-size: 34px 34px;
}
section.on-dark h1, section.on-dark h2, section.on-dark h3 { color: oklch(97% 0.008 90); }
section.on-dark p { color: oklch(75% 0.015 90); }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head h2 { font-size: 34px; margin-top: 16px; line-height: 1.18; }
.section-head p.section-sub { font-size: 17px; color: var(--color-ink-soft); margin-top: 16px; }

/* hero — dark, photographic, the cosmic entrance before the calm editorial body */
.hero {
  position: relative; padding: 130px 0 100px; overflow: hidden;
  color: oklch(94% 0.01 90);
  background:
    radial-gradient(ellipse 900px 500px at 78% 20%, oklch(30% 0.09 262 / 0.5), transparent 60%),
    linear-gradient(195deg, oklch(13% 0.05 262 / 0.32) 0%, oklch(13% 0.05 262 / 0.86) 55%, var(--color-primary-deep) 100%),
    url('../images/hero-network.jpg') center 32% / cover no-repeat;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: 54px; line-height: 1.08; margin: 4px 0 26px; max-width: 660px; color: oklch(98% 0.006 90); }
.hero h1 em { color: var(--color-accent); }
.hero p.lead { font-size: 18px; color: oklch(80% 0.015 90); max-width: 500px; margin-bottom: 34px; }
.hero-ctas { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 13px; color: oklch(70% 0.02 90); }
.hero-note .sep { margin: 0 8px; opacity: .5; }

/* hero canvas — the method itself, alive: this is the one signature moment */
.hero .btn-ghost { border-color: oklch(50% 0.02 262); color: oklch(92% 0.01 90); }
.hero-canvas-float { perspective: 1200px; animation: idleFloat 8s ease-in-out infinite; }
.hero-canvas-inner { transition: transform .5s cubic-bezier(.16,1,.3,1); will-change: transform; }
@keyframes idleFloat {
  0%, 100% { transform: rotateX(3deg) rotateY(-4deg) translateY(0); }
  50% { transform: rotateX(-2deg) rotateY(3deg) translateY(-8px); }
}
.canvas-svg { width: 100%; height: auto; display: block; overflow: visible; }
.canvas-edges path { fill: none; stroke: oklch(55% 0.03 262); stroke-width: 1.5; }
.canvas-node circle { fill: var(--color-primary-deep); stroke: oklch(80% 0.02 90); stroke-width: 1.5; }
.canvas-node text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .03em; text-transform: uppercase; fill: oklch(78% 0.02 90); text-anchor: middle; }
.canvas-node.result circle { fill: var(--color-primary-deep); stroke: var(--color-accent); stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: nodePulse 2.6s ease-in-out infinite; }
.canvas-node.result text { fill: var(--color-accent); font-weight: 600; }
.packet { fill: var(--color-accent); filter: drop-shadow(0 0 5px var(--color-accent)); animation: travelPacket 3s linear infinite; }
.packet.p1 { offset-path: path('M60,150 C150,150 150,90 240,90'); }
.packet.p2 { offset-path: path('M240,90 C330,90 330,150 420,150'); animation-delay: -1s; }
.packet.p3 { offset-path: path('M420,150 C510,150 510,90 580,90'); animation-delay: -2s; }
@keyframes travelPacket { from { offset-distance: 0%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } to { offset-distance: 100%; opacity: 0; } }
@keyframes nodePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.hud-readout { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: oklch(70% 0.02 90); margin-top: 20px; }
.hud-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 6px var(--color-accent); animation: nodePulse 1.8s ease-in-out infinite; flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  .packet, .canvas-node.result circle, .hud-dot, .hero-canvas-float { animation: none; }
  .hero-canvas-inner { transform: none !important; transition: none; }
  .reveal, .reveal-group > * { opacity: 1; transform: none; transition: none; }
}

/* page hero (subpages) */
.page-hero {
  padding: 72px 0 64px; border-bottom: 1px solid var(--color-line);
  background-image: radial-gradient(var(--color-line) 1px, transparent 1px);
  background-size: 28px 28px;
}
.page-hero h1 { font-size: 44px; line-height: 1.12; margin: 18px 0 20px; max-width: 720px; }
.page-hero p.lead { font-size: 18px; color: var(--color-ink-soft); max-width: 620px; }

/* paired list pattern — parallel items, not a sequence, so no numbering */
.numbered-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--color-line); }
.numbered-item { padding: 30px 0; border-bottom: 1px solid var(--color-line); }
.numbered-item:nth-child(odd) { border-right: 1px solid var(--color-line); padding-right: 28px; }
.numbered-item:nth-child(even) { padding-left: 28px; }
.numbered-item p { font-size: 17px; max-width: 420px; }

/* method rail */
.method-rail { position: relative; }
.method-line { position: absolute; top: 17px; left: 0; right: 0; height: 1px; background: oklch(40% 0.02 262); }
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.method-node { width: 35px; height: 35px; border-radius: 50%; background: var(--color-primary-deep); border: 1.5px solid var(--color-accent); color: var(--color-accent); font-family: var(--font-mono); font-size: 13px; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; position: relative; z-index: 1; }
.method-step h3 { font-size: 19px; font-family: var(--font-body); font-weight: 600; margin-bottom: 10px; }
.method-step p { font-size: 14.5px; line-height: 1.55; }

.method-image { margin: 12px 0 8px; border-radius: 4px; overflow: hidden; }
.method-image img { width: 100%; height: 300px; object-fit: cover; display: block; }

/* method page: detailed variant */
.method-detail { display: grid; grid-template-columns: 90px 1fr; gap: 28px; padding: 44px 0; border-bottom: 1px solid var(--color-line); }
.method-detail:last-child { border-bottom: none; }
.method-detail .method-node { margin-bottom: 0; }
.method-detail h3 { font-size: 26px; margin-bottom: 14px; }
.method-detail p { font-size: 16px; color: var(--color-ink-soft); max-width: 640px; margin-bottom: 10px; }
.method-detail ul { margin: 14px 0 0; padding-left: 20px; font-size: 15px; color: var(--color-ink-soft); }
.method-detail li { margin-bottom: 6px; }

/* services grid */
.services-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); }
.service-card { grid-column: span 3; background: var(--color-surface); padding: 30px 24px; display: flex; flex-direction: column; gap: 14px; min-height: 260px; transition: transform .2s cubic-bezier(.16,1,.3,1), box-shadow .2s ease; }
.service-card:nth-child(1) { grid-column: span 2; }
.service-card:hover { transform: translateY(-3px); box-shadow: 0 14px 26px -16px oklch(20% 0.03 262 / 30%); z-index: 1; position: relative; }
.service-card.featured { grid-column: span 4; background: var(--color-primary-deep); color: oklch(95% 0.01 90); }
.service-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 4px 9px; border-radius: 2px; width: fit-content; }
.service-card.featured .service-tag { background: var(--color-accent); color: var(--color-primary-deep); }
.service-card:not(.featured) .service-tag { background: var(--color-background); color: var(--color-ink-soft); border: 1px solid var(--color-line); }
.service-card h3 { font-family: var(--font-display); font-weight: 500; font-size: 21px; margin-top: auto; }
.service-card.featured h3 { color: oklch(97% 0.008 90); font-size: 25px; }
.service-card p { font-size: 14px; color: var(--color-ink-soft); line-height: 1.55; }
.service-card.featured p { color: oklch(75% 0.015 90); font-size: 15px; }
.service-foot { margin-top: 8px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.service-card:not(.featured) .service-foot { color: var(--color-primary); }
.service-card.featured .service-foot { color: var(--color-accent); }
.services-note { margin-top: 20px; font-size: 13.5px; color: var(--color-ink-soft); }

/* services page: full detail cards */
.service-full { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 56px 0; border-bottom: 1px solid var(--color-line); align-items: start; }
.service-full:last-child { border-bottom: none; }
.service-full .service-tag { margin-bottom: 18px; }
.service-full h2 { font-size: 30px; margin-bottom: 14px; }
.service-full p { font-size: 16px; color: var(--color-ink-soft); margin-bottom: 14px; }
.service-full ul { padding-left: 20px; margin: 18px 0; font-size: 15px; color: var(--color-ink); }
.service-full li { margin-bottom: 8px; }
.service-full .for-whom { font-size: 13.5px; color: var(--color-ink-soft); font-family: var(--font-mono); margin-top: 18px; }

/* portfolio cards */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card { border: 1px solid var(--color-line); background: var(--color-surface); padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.demo-tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-primary-deep); background: var(--color-accent-soft); border: 1px solid oklch(70% 0.09 152); padding: 4px 9px; border-radius: 2px; width: fit-content; }
.case-sector { font-size: 13px; color: var(--color-ink-soft); font-family: var(--font-mono); }
.case-card h3 { font-size: 19px; font-family: var(--font-display); font-weight: 500; margin: 2px 0 4px; }
.case-row { font-size: 13.5px; line-height: 1.55; }
.case-row b { font-family: var(--font-mono); font-weight: 500; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--color-ink-soft); display: block; margin-bottom: 3px; }
.case-row.result b { color: var(--color-primary); }
.portfolio-cta { text-align: center; margin-top: 48px; }

/* how it works */
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.how-step .num { display: block; margin-bottom: 14px; font-size: 22px; font-family: var(--font-mono); color: var(--color-primary); }
.how-step h3 { font-size: 18px; font-family: var(--font-body); font-weight: 600; margin-bottom: 8px; }
.how-step p { font-size: 14.5px; color: var(--color-ink-soft); line-height: 1.6; }

/* final CTA band */
.cta-final { text-align: center; }
.cta-final-inner { max-width: 620px; margin: 0 auto; }
.cta-final h2 { font-size: 40px; margin-bottom: 18px; }
.cta-final p { font-size: 16px; margin-bottom: 34px; }
.cta-final-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* footer */
footer { padding: 56px 0 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid var(--color-line); margin-bottom: 24px; }
.footer-blurb { max-width: 260px; font-size: 13.5px; color: var(--color-ink-soft); margin-top: 12px; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-ink-soft); margin: 0 0 12px; font-weight: 500; }
.footer-col a, .footer-col span { display: block; font-size: 14px; color: var(--color-ink); margin-bottom: 8px; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--color-ink-soft); }
.footer-bottom a { color: var(--color-ink-soft); margin-left: 20px; }
.footer-bottom a:hover { color: var(--color-primary); }

/* forms (diagnostico.html) */
.form-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
form.diagnostico-form { display: flex; flex-direction: column; gap: 20px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--color-ink-soft); }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--color-ink);
  background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 3px;
  padding: 12px 14px;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); }
.field textarea { resize: vertical; min-height: 96px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note { font-size: 13px; color: var(--color-ink-soft); }
.side-card { background: var(--color-surface); border: 1px solid var(--color-line); padding: 32px; }
.side-card h3 { font-size: 20px; margin-bottom: 16px; font-family: var(--font-display); font-weight: 500; }
.side-card ol { padding-left: 20px; margin: 0 0 24px; font-size: 15px; color: var(--color-ink-soft); }
.side-card li { margin-bottom: 10px; }
.price-badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; background: var(--color-accent-soft); color: var(--color-primary-deep); padding: 6px 12px; border-radius: 3px; margin-top: 8px; }
.form-status { font-size: 14px; margin-top: 4px; display: none; }
.form-status.visible { display: block; }
.form-status.success { color: var(--color-primary); }
.form-status.error { color: oklch(50% 0.18 25); }

/* legal pages */
.legal-content { max-width: 760px; }
.legal-content h2 { font-size: 22px; margin: 40px 0 14px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { font-size: 15.5px; color: var(--color-ink-soft); line-height: 1.7; }
.legal-content ul { padding-left: 20px; }
.legal-content li { margin-bottom: 8px; }
.legal-updated { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-ink-soft); margin-top: 8px; }