/* Apacheta Sistemas — capa de identidad y movimiento.
   Se carga después de styles.css. Tres paletas: noche (por defecto desde el 8-nov), salar y cobre.
   Para comparar: ?paleta=salar | ?paleta=cobre | ?paletas (muestra el selector). */

/* ---------- Paletas ---------- */
:root, :root[data-paleta="salar"] {
  /* Salar: blanco de sal, basalto, naranja de señal y turquesa de piletas de salmuera */
  --bg: #f2f4f3; --bg-2: #e6ecea; --surface: #ffffff; --line: #d0d9d6;
  --text: #0e1c22; --muted: #4e5f66;
  --accent: #e0531c; --accent-ink: #ffffff; --accent-2: #0f9384;
  --ok: #0f9384; --bad: #c2361b;
  --hill: #dde5e2; --hill-far: #dde5e2; --hill-near: #c3d1cd;
  --plate: #f1ece3; --plate-line: #e2ddd2;
  --nav-bg: rgba(242,244,243,.86); --ico-bg: #e1e9e6;
  --track: #e2e8e6; --seg-ok: #cbe6e1; --seg-ok-ink: #0b5c53;
  --seg-loss: #f7d3c4; --seg-loss-ink: #8c2a10; --seg-buf: #fde2c6; --seg-buf-ink: #8a430f;
  --topo: rgba(14,28,34,.09);
  --s1: #0e1c22; --s2: #0f9384; --s3: #7cc7bd; --s4: #b9cbc6; --s5: #f3a27b; --s6: #e0531c;
  --contact-bg: #0e1c22; --contact-text: #eef3f1; --contact-muted: #a7b6bb; --contact-line: #2b3c43; --contact-accent: #2fc4b2;
  --font-display: 'Archivo', 'Avenir Next', 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
}
:root[data-paleta="cobre"] {
  /* Cobre: piedra gris verdosa, malaquita, cinabrio y ocre de los cerros de colores */
  --bg: #eceee8; --bg-2: #e2e5dd; --surface: #f9faf6; --line: #cdd2c7;
  --text: #1a2421; --muted: #55625d;
  --accent: #0d7a64; --accent-ink: #ffffff; --accent-2: #c4452a;
  --ok: #0d7a64; --bad: #c4452a;
  --hill: #d9ded2; --hill-far: #d9ded2; --hill-near: #bfc8b8;
  --nav-bg: rgba(236,238,232,.86); --ico-bg: #dde3da;
  --track: #dde1d8; --seg-ok: #cfe3da; --seg-ok-ink: #0a5546;
  --seg-loss: #f1d0c6; --seg-loss-ink: #8a2c18; --seg-buf: #f2dfb5; --seg-buf-ink: #74510d;
  --topo: rgba(26,36,33,.09);
  --s1: #6e5a8a; --s2: #c9767a; --s3: #c4452a; --s4: #d69a2d; --s5: #0d7a64; --s6: #1a2421;
  --contact-bg: #1a2421; --contact-text: #f1f2ec; --contact-muted: #b3bcb5; --contact-line: #34413c; --contact-accent: #e2a93b;
}
:root:not([data-paleta]), :root[data-paleta="noche"] {
  /* Noche: cielo de altura, luz de sodio del campamento y cian de pantalla */
  color-scheme: dark;
  --bg: #0f1224; --bg-2: #141834; --surface: #1a1f40; --line: #2b3260;
  --text: #eceeff; --muted: #a3a9d1;
  --accent: #ffb547; --accent-ink: #1b1300; --accent-2: #6fd3ff;
  --ok: #5bd6a8; --bad: #ff7a6b;
  --hill: #1f2550; --hill-far: #1f2550; --hill-near: #2a3166;
  --nav-bg: rgba(15,18,36,.82); --ico-bg: #20264d;
  --track: #20264d; --seg-ok: #1f4a49; --seg-ok-ink: #a9f0dc;
  --seg-loss: #4d2433; --seg-loss-ink: #ffb3a8; --seg-buf: #4b3a1c; --seg-buf-ink: #ffd798;
  --topo: rgba(160,170,255,.10);
  --s1: #6fd3ff; --s2: #3a4390; --s3: #7a5cff; --s4: #ffb547; --s5: #ff7a6b; --s6: #eceeff;
  --contact-bg: #090b18; --contact-text: #eceeff; --contact-muted: #a3a9d1; --contact-line: #262c55; --contact-accent: #ffb547;
}

/* ---------- Tipografía: titulares industriales, datos en monoespaciada ---------- */
h1, h2, .brand, .footer-brand, .bar a:first-child { font-family: var(--font-display); font-stretch: 112%; }
h1 { font-weight: 700; letter-spacing: -.035em; }
h2 { font-weight: 650; letter-spacing: -.03em; }
h3 { font-family: var(--font-display); font-weight: 600; }
.eyebrow, .tag, figcaption, .territory, .kpi small, .dash-top, .dash-note, .timeline-note, .timeline-track span,
.lk .when, .value-list span, .step::before, .alerts small, .contact-lines, .meta, .formula, .packet-log {
  font-family: var(--font-mono);
}
.eyebrow { letter-spacing: .12em; font-weight: 500; }
.eyebrow::before { content: ''; display: inline-block; width: 18px; height: 2px; margin: 0 10px 3px 0; vertical-align: middle; background: currentColor; }
.kpi b { font-family: var(--font-mono); font-weight: 500; letter-spacing: -.03em; }
.hero h1 em { color: var(--accent); }

/* ---------- Colores que estaban fijos en styles.css ---------- */
body { background: var(--bg); color: var(--text); }
.nav { background: var(--nav-bg); transition: box-shadow .3s, background .3s; }
.nav.scrolled { box-shadow: 0 6px 24px -14px rgba(0,0,0,.35); }
.ico { background: var(--ico-bg); }
.technical-render { background: var(--plate); }
.render-hero .technical-render, .render-station .technical-render, .render-card .technical-render { border-color: var(--plate-line); }
.timeline-track { background: var(--track); }
.timeline-track .connected { background: var(--seg-ok); color: var(--seg-ok-ink); }
.timeline-track .missing { background: var(--seg-loss); color: var(--seg-loss-ink); }
.timeline-track .buffered { background: var(--seg-buf); color: var(--seg-buf-ink); }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.contact { --bg: var(--contact-bg); --text: var(--contact-text); --muted: var(--contact-muted); --line: var(--contact-line); --accent: var(--contact-accent); }
.contact .btn:hover { color: var(--contact-bg); }
.photo { filter: saturate(.85); }
:root:not([data-paleta]) .technical-render, :root[data-paleta="noche"] .technical-render { filter: brightness(.9) contrast(1.02); }
:root:not([data-paleta]) .photo, :root[data-paleta="noche"] .photo { filter: saturate(.7) brightness(.92); }

/* ---------- Estratos: firma visual (capas de los cerros = capas de datos) ---------- */
.estratos { display: flex; height: 6px; margin-top: 0; overflow: hidden; border-radius: 3px; }
.estratos i { flex: var(--w, 1); background: var(--c); transform-origin: left; }
.estratos i:nth-child(1) { --c: var(--s1); --w: 3; }
.estratos i:nth-child(2) { --c: var(--s2); --w: 2; }
.estratos i:nth-child(3) { --c: var(--s3); --w: 1.2; }
.estratos i:nth-child(4) { --c: var(--s4); --w: .6; }
.estratos i:nth-child(5) { --c: var(--s5); --w: 1.4; }
.estratos i:nth-child(6) { --c: var(--s6); --w: 2.2; }
.js .estratos i { transform: scaleX(0); animation: estrato 1.1s cubic-bezier(.2,.8,.2,1) forwards; animation-delay: calc(.3s + var(--n) * 90ms); }
@keyframes estrato { to { transform: scaleX(1); } }

/* ---------- Hero: curvas de nivel, enlace animado y registro de paquetes ---------- */
.hero { position: relative; overflow: hidden; }
.topo { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 70% 40%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 80% 90% at 70% 40%, #000 30%, transparent 80%); }
.topo path { fill: none; stroke: var(--topo); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.topo g { animation: deriva 38s ease-in-out infinite alternate; transform-origin: center; }
.hero .wrap { position: relative; z-index: 1; }
@keyframes deriva { from { transform: translate(0,0) rotate(0deg); } to { transform: translate(-40px,12px) rotate(2.5deg); } }

.render-stage { position: relative; height: 400px; aspect-ratio: 1122 / 1402; max-width: 100%; margin: 0 auto; }
.render-hero .render-stage .technical-render { width: 100%; height: 100%; object-fit: cover; }
.render-stage .link-fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.link-fx .ring { fill: none; stroke: var(--accent); stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; }
.live .link-fx .ring { animation: ping 2.8s ease-out infinite; }
.live .link-fx .ring.r2 { animation-delay: .9s; }
.link-fx .camp { animation-delay: 1.6s !important; }
.link-fx .packet { fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent)); }
@keyframes ping { 0% { transform: scale(.3); opacity: .9; } 100% { transform: scale(3.2); opacity: 0; } }

.render-hero { position: relative; }
/* La tarjeta solapa solo el margen inferior: poste, apoyo y campamento quedan libres. */
.packet-log { position: relative; z-index: 2; width: min(100%, 292px); margin: -20px 0 0 auto; padding: 14px 16px 12px; font-size: 11px; line-height: 1.65;
  color: var(--text); background: color-mix(in srgb, var(--surface) 90%, transparent); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 14px 30px -18px rgba(0,0,0,.45); }
.packet-log header { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; color: var(--muted); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.packet-log header b { color: var(--muted); font-weight: 400; letter-spacing: .03em; }
.packet-status { display: flex; gap: 7px; align-items: center; color: var(--ok); margin: 9px 0 10px; font-size: 11px; }
.packet-status[data-state="corte"] { color: var(--accent); }
.packet-status-dot { width: 5px; height: 5px; background: currentColor; border-radius: 50%; flex: none; }
.packet-log ol { list-style: none; margin: 0; padding: 0; height: 74px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; }
.packet-log li { white-space: nowrap; animation: entra .4s ease-out; }
.packet-log li.warn { color: var(--bad); }
.packet-log li.buf { color: var(--accent); }
.packet-log li.okk { color: var(--ok); }
.packet-log small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.6; }
@keyframes entra { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes titila { 50% { opacity: .25; } }

/* ---------- Revelado al hacer scroll ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(22px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i, 0) * 90ms); }
.js [data-reveal].in { opacity: 1; transform: none; }

/* ---------- Continuidad del dato: los tramos se dibujan, la pérdida se ve, el respaldo se descarga ---------- */
.js .timeline-track span { transform: scaleX(0); transform-origin: left; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.data-comparison.in .timeline-track span { transform: scaleX(1); }
.data-comparison.in .timeline-track span:nth-child(2) { transition-delay: .55s; }
.data-comparison.in .timeline-track span:nth-child(3) { transition-delay: 1.1s; }
.data-comparison.in .timeline + .timeline .timeline-track span:nth-child(1) { transition-delay: .3s; }
.data-comparison.in .timeline + .timeline .timeline-track span:nth-child(2) { transition-delay: .85s; }
.data-comparison.in .timeline + .timeline .timeline-track span:nth-child(3) { transition-delay: 1.4s; }
.timeline-track .missing { background-image: repeating-linear-gradient(-45deg, transparent 0 7px, color-mix(in srgb, var(--seg-loss-ink) 12%, transparent) 7px 14px); background-size: 40px 40px; }
.live .timeline-track .missing { animation: rayas 1.6s linear infinite; }
@keyframes rayas { to { background-position: 40px 0; } }
.timeline-track .buffered { position: relative; overflow: hidden; }
.timeline-track .buffered::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--seg-buf-ink) 22%, transparent), transparent); transform: translateX(-100%); }
.live .timeline-track .buffered::after { animation: descarga 2.6s ease-in-out infinite; }
@keyframes descarga { 60%, 100% { transform: translateX(160%); } }

/* ---------- Cómo funciona: un pulso recorre sensor → nodo → enlace → panel ---------- */
.flow4 { position: relative; }
.flow4 .fs { position: relative; }
.flow4 .fs::before { content: ''; position: absolute; top: -1px; left: 0; height: 2px; width: 0; background: var(--accent); }
.live.flow4 .fs::before { animation: tramo 4.8s linear infinite; animation-delay: calc(var(--i) * 1.2s); }
.live.flow4 .ico { animation: brillo 4.8s ease-in-out infinite; animation-delay: calc(var(--i) * 1.2s); }
@keyframes tramo { 0% { width: 0; opacity: 1; } 25% { width: 100%; opacity: 1; } 40%, 100% { width: 100%; opacity: 0; } }
@keyframes brillo { 0%, 30%, 100% { background: var(--ico-bg); color: var(--accent); } 12% { background: var(--accent); color: var(--accent-ink); } }

/* ---------- Enlaces: LoRa transmite, las barras suben, el satélite baja ---------- */
.lk svg .march { stroke-dashoffset: 0; }
.live .lk svg .march { animation: marcha 1.1s linear infinite; }
.live .lk svg .march.down { animation-duration: .9s; }
@keyframes marcha { to { stroke-dashoffset: -22; } }
.lk svg .bar { transform-box: fill-box; transform-origin: bottom; }
.live .lk svg .bar { animation: barra 2.4s ease-in-out infinite; animation-delay: calc(var(--b) * .18s); }
@keyframes barra { 0%, 100% { transform: scaleY(1); } 40% { transform: scaleY(.35); } 60% { transform: scaleY(1); } }
.live .lk svg .blink { animation: titila 1.2s steps(2) infinite; }
.lk { transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s; }
.lk:hover { transform: translateY(-4px); box-shadow: 0 18px 34px -24px rgba(0,0,0,.5); }

/* ---------- Panel: la serie se dibuja, los números cuentan, el último punto late ---------- */
.panel-chart .serie { stroke-dasharray: 1; stroke-dashoffset: 1; }
.panel-chart .area { opacity: 0; transition: opacity 1s .9s; }
.dash.in .panel-chart .serie { animation: trazo 1.8s cubic-bezier(.4,.1,.2,1) forwards .2s; }
.dash.in .panel-chart .area { opacity: 1; }
@keyframes trazo { to { stroke-dashoffset: 0; } }
.dash { position: relative; }
.dash .ahora { position: absolute; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--accent); opacity: 0; transition: opacity .4s 2s; }
.dash.in .ahora { opacity: 1; }
.dash .ahora::after { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--accent); }
.live.dash .ahora::after { animation: ping 2s ease-out infinite; }
.js .alerts li { opacity: 0; transform: translateX(14px); transition: opacity .6s, transform .6s; transition-delay: calc(.4s + var(--i) * .25s); }
.alerts.in li { opacity: 1; transform: none; }

/* ---------- Proceso y criterios: la línea superior se llena en orden ---------- */
.step, .value-list > div { background: linear-gradient(var(--accent), var(--accent)) top left / 0 2px no-repeat; transition: background-size .7s cubic-bezier(.2,.7,.2,1); transition-delay: calc(var(--i, 0) * .3s); }
.steps.in .step, .value-list.in > div { background-size: 100% 2px; }

/* ---------- Micro-interacciones ---------- */
.btn { transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.projects .card { transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s; }
.projects .card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); box-shadow: 0 20px 36px -26px rgba(0,0,0,.5); }
.render-card { overflow: hidden; border-radius: 8px; }
.render-card .technical-render { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.card:hover .render-card .technical-render { transform: scale(1.035); }
summary { transition: color .2s; }
summary:hover { color: var(--accent); }
details p { animation: entra .35s ease-out; }
.nav nav a:not(.btn) { position: relative; }
.nav nav a:not(.btn)::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.nav nav a:not(.btn):hover::after, .nav nav a.activo::after { transform: scaleX(1); }

/* ---------- Selector de paletas (solo con ?paletas) ---------- */
.paletas { position: fixed; right: 16px; bottom: 16px; z-index: 50; display: flex; gap: 6px; padding: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; box-shadow: 0 12px 30px -16px rgba(0,0,0,.5); font: 12px var(--font-mono); }
.paletas button { display: flex; align-items: center; gap: 7px; padding: 6px 12px 6px 7px; border: 1px solid transparent; border-radius: 999px; background: none; color: var(--text); cursor: pointer; }
.paletas button[aria-pressed="true"] { border-color: var(--text); }
.paletas i { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--a) 50%, var(--b) 50%); }

/* ---------- Responsivo ---------- */
@media (max-width: 800px) {
  .render-stage { height: 340px; }
  .packet-log { margin-top: -16px; }
}
@media (max-width: 600px) {
  .render-stage { height: 300px; }
  .packet-log { width: min(100%, 292px); margin-top: -12px; }
  .packet-log ol { height: 74px; }
  .topo { -webkit-mask-image: radial-gradient(ellipse 120% 70% at 50% 70%, #000 30%, transparent 80%); mask-image: radial-gradient(ellipse 120% 70% at 50% 70%, #000 30%, transparent 80%); }
}

/* ---------- Movimiento reducido: todo visible y quieto ---------- */
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js .alerts li, .js .timeline-track span, .js .estratos i { opacity: 1 !important; transform: none !important; }
  .panel-chart .serie { stroke-dashoffset: 0; }
  .panel-chart .area, .dash .ahora { opacity: 1; }
  .step, .value-list > div { background-size: 100% 2px; }
  .link-fx .packet { display: none; }
}
.estratos { margin-top: 44px; }
.estratos + .territory { margin-top: 0; border-top: 0; }
.packet-log li { white-space: pre; }

.render-hero figcaption { margin-top: 14px; line-height: 1.65; }
@media (max-width: 380px) {
  .packet-log { width: min(100%, 272px); padding: 12px 14px; }
}

.menu-toggle { white-space: nowrap; flex-shrink: 0; }
@media (max-width: 600px) {
  .nav .wrap { gap: 12px; }
  .brand { font-size: 20px; }
}
@media (max-width: 380px) {
  .brand { font-size: 19px; }
}
@media (max-width: 600px) {
  .nav .wrap { gap: 10px; }
  .nav-controls { gap: 7px; }
  .brand { font-size: 18px; gap: 8px; }
  .brand svg { width: 26px; }
  .menu-toggle { font-size: 13px; padding: 8px 10px; }
  .language-switch { min-width: 29px; padding: 5px; font-size: 11px; }
  .article-controls { gap: 14px; }
}
@media (max-width: 380px) {
  .brand { font-size: 16.5px; gap: 7px; }
  .brand svg { width: 24px; }
  .nav-controls { gap: 6px; }
}

/* Apacheta / Hito: firma vectorial con tipografía en trazados. */
.brand, .footer-brand, .article-brand { display: inline-flex; align-items: center; text-decoration: none; line-height: 1; }
.brand .brand-lockup { display: block; width: 204px; height: auto; flex: none; }
.footer-brand .brand-lockup { display: block; width: 184px; height: auto; }
.bar .article-brand .brand-lockup { display: block; width: 204px; height: auto; }
@media (max-width: 600px) {
  .brand .brand-lockup, .bar .article-brand .brand-lockup { width: 182px; }
  .footer-brand .brand-lockup { width: 174px; }
}
@media (max-width: 380px) {
  .brand .brand-lockup { width: 164px; }
}

/* ---------- Desarrollo a medida (IoT, embebidos, domótica) ---------- */
.dev-band { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); display: grid; grid-template-columns: .9fr 1.4fr; gap: 40px; }
.dev-head h3 { font-family: var(--font-display); font-stretch: 112%; font-size: clamp(24px, 3vw, 32px); letter-spacing: -.03em; margin: 10px 0 12px; }
.dev-head p { color: var(--muted); margin: 0; }
.dev-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; }
.dev-grid > div { padding-top: 14px; background: linear-gradient(var(--accent), var(--accent)) top left / 28px 2px no-repeat; }
.dev-grid h4 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.dev-grid p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 900px) { .dev-band { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 560px) { .dev-grid { grid-template-columns: 1fr; } }

/* Tres notas en el inicio */
@media (min-width: 1000px) { .note-feature { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; } }
/* Bloques de código en las notas */
.technical-article pre { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; padding: 16px 18px; overflow-x: auto; font: 13px/1.55 var(--font-mono); margin: 1em 0 1.4em; }
.technical-article pre code { background: none; padding: 0; font: inherit; }