:root {
  --ink: #15201c;
  --ink-2: #27332e;
  --muted: #66716c;
  --paper: #f8f6f1;
  --paper-2: #eeeae1;
  --wood: #c99a68;
  --wood-light: #e6c39c;
  --sage: #789389;
  --sage-dark: #365348;
  --line: rgba(21,32,28,.14);
  --white: #ffffff;
  --radius: 22px;
  --shadow: 0 22px 70px rgba(25, 35, 30, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { max-width: 880px; }
.section { padding: 112px 0; scroll-margin-top: 72px; }
.section-muted { background: var(--paper-2); }
.section-dark { background: var(--ink); color: var(--white); }
.eyebrow {
  margin: 0 0 18px;
  color: var(--sage-dark);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.section-dark .eyebrow, .contact .eyebrow { color: var(--wood-light); }
h1, h2, h3 { font-family: Manrope, Inter, sans-serif; margin-top: 0; line-height: 1.08; }
h1 { font-size: clamp(3.2rem, 7vw, 6.9rem); letter-spacing: -.055em; margin-bottom: 28px; }
h1 span { color: var(--sage-dark); }
h2 { font-size: clamp(2.25rem, 4vw, 4.3rem); letter-spacing: -.045em; margin-bottom: 24px; }
h3 { font-size: 1.25rem; letter-spacing: -.02em; }
p { margin-top: 0; }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.35rem); color: var(--ink-2); max-width: 700px; }
.section-intro { font-size: 1.15rem; color: var(--muted); max-width: 820px; }
.skip-link {
  position: absolute; top: -50px; left: 16px; background: var(--ink); color: white;
  padding: 10px 16px; z-index: 9999; border-radius: 8px;
}
.skip-link:focus { top: 16px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248,246,241,.86); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: Manrope; font-size: 1.35rem; font-weight: 800; letter-spacing: -.04em; }
.brand-mark {
  width: 30px; height: 30px; display: grid; grid-template-columns: 1fr 1fr;
  gap: 3px; transform: rotate(45deg);
}
.brand-mark span { background: var(--wood); border-radius: 2px; }
.brand-mark span:last-child { background: var(--sage-dark); }
.main-nav { display: flex; align-items: center; gap: 30px; font-size: .94rem; font-weight: 600; }
.main-nav > a:not(.button) { color: var(--ink-2); }
.main-nav > a:not(.button):hover { color: var(--sage-dark); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span:not(.sr-only) { display:block; width:25px; height:2px; margin:5px; background:var(--ink); }

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 24px; border-radius: 999px;
  background: var(--sage-dark); color: white; font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 10px 28px rgba(54,83,72,.18);
}
.button:hover { transform: translateY(-2px); background: #29473c; box-shadow: 0 16px 34px rgba(54,83,72,.23); }
.button-small { min-height: 42px; padding-inline: 19px; }
.button-light { background: var(--white); color: var(--ink); }
.text-link { font-weight: 700; display:inline-flex; gap:8px; align-items:center; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.hero { padding-top: 84px; min-height: calc(100vh - 76px); display:flex; align-items:center; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: 64px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin: 36px 0 44px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 28px 44px; margin: 0; }
.hero-facts div { padding-left: 14px; border-left: 2px solid var(--wood); }
.hero-facts dt { color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.hero-facts dd { margin: 3px 0 0; font-weight: 700; }
.hero-visual { margin: 0; }
.hero-visual picture { display:block; overflow:hidden; border-radius: 50%; box-shadow: var(--shadow); }
.hero-visual img { aspect-ratio: 1; object-fit: cover; }
.hero-visual figcaption { color: var(--muted); font-size:.85rem; margin: 18px auto 0; max-width: 480px; text-align:center; }

.principle-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 64px; }
.principle-card { padding: 30px; background: rgba(255,255,255,.55); border: 1px solid rgba(21,32,28,.08); border-radius: var(--radius); }
.number { font-family: Manrope; font-weight:800; color:var(--wood); font-size:.82rem; }
.principle-card h3 { margin: 30px 0 12px; }
.principle-card p { color:var(--muted); margin-bottom:0; }

.section-heading { display:grid; grid-template-columns: 1.25fr .75fr; gap:64px; align-items:end; margin-bottom: 56px; }
.section-heading > p { color: var(--muted); font-size:1.04rem; }
.section-heading.light > p { color:rgba(255,255,255,.65); }

.architecture { display:flex; flex-direction:column; gap:12px; }
.layer {
  display:grid; grid-template-columns: 70px 1.1fr .9fr; align-items:center; gap:28px;
  padding: 26px 28px; border:1px solid var(--line); background:rgba(255,255,255,.4);
  border-radius:18px; transition:transform .2s ease, background .2s ease;
}
.layer:hover { transform:translateX(5px); background:var(--white); }
.layer-index { font-family:Manrope; font-size:1.5rem; font-weight:800; color:var(--wood); }
.layer h3 { margin-bottom:6px; }
.layer p { color:var(--muted); margin:0; }
.layer ul { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:8px; justify-content:flex-end; }
.layer li { font-size:.78rem; font-weight:700; padding:7px 10px; border-radius:999px; background:var(--paper-2); color:var(--ink-2); }

.capability-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.capability {
  min-height:300px; padding:30px; border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.035); border-radius:var(--radius);
  display:flex; flex-direction:column;
}
.capability .icon { font-family:Manrope; font-weight:800; color:var(--wood-light); margin-bottom:46px; }
.capability p { color:rgba(255,255,255,.68); flex:1; }
.capability span { font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color:var(--wood-light); font-weight:700; }

.split { display:grid; grid-template-columns: .9fr 1.1fr; gap:90px; align-items:start; }
.process { list-style:none; padding:0; margin:0; }
.process li { display:grid; grid-template-columns:62px 1fr; gap:20px; padding:26px 0; border-bottom:1px solid var(--line); }
.process li:first-child { padding-top:0; }
.process span { width:46px; height:46px; border-radius:50%; display:grid; place-items:center; background:var(--paper-2); font-weight:800; color:var(--sage-dark); }
.process h3 { margin-bottom:7px; }
.process p { margin:0; color:var(--muted); }

.ecosystem { background: linear-gradient(145deg, #efe8dc 0%, #f8f6f1 70%); }
.ecosystem-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:80px; align-items:center; }
.ecosystem-map { display:flex; flex-direction:column; align-items:center; }
.eco-node { width:min(100%,520px); padding:24px 28px; border-radius:18px; background:white; border:1px solid var(--line); box-shadow:0 12px 40px rgba(21,32,28,.07); }
.eco-node span { display:block; font-size:.7rem; text-transform:uppercase; letter-spacing:.12em; font-weight:800; color:var(--muted); }
.eco-node strong { display:block; font-family:Manrope; font-size:1.55rem; margin:4px 0; }
.eco-node small { color:var(--muted); }
.eco-node.netbin { background:var(--ink); color:white; }
.eco-node.netbin span, .eco-node.netbin small { color:rgba(255,255,255,.65); }
.connector { width:2px; height:24px; background:var(--wood); }

.roadmap-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.roadmap-grid article { border-top:3px solid var(--wood); padding:24px 4px; }
.roadmap-grid span { font-size:.76rem; font-weight:800; color:var(--sage-dark); text-transform:uppercase; letter-spacing:.09em; }
.roadmap-grid h3 { margin:18px 0 10px; }
.roadmap-grid p { color:var(--muted); }

.contact { padding-top:50px; }
.contact-box {
  background:var(--sage-dark); color:white; border-radius:32px; padding:64px;
  display:grid; grid-template-columns:1.15fr .85fr; gap:64px; align-items:center;
}
.contact-box h2 { font-size:clamp(2.2rem,4vw,4.1rem); }
.contact-box p { color:rgba(255,255,255,.72); }
.contact-actions { display:flex; flex-direction:column; align-items:flex-start; gap:18px; }
.contact-actions p { font-size:.82rem; max-width:390px; }

.site-footer { padding:52px 0; border-top:1px solid var(--line); }
.site-footer .container { display:grid; grid-template-columns:1fr auto auto; align-items:center; gap:28px; }
.site-footer p { margin:0; color:var(--muted); font-size:.82rem; }
.footer-brand { font-size:1.1rem; }

.reveal { opacity:0; transform:translateY(20px); transition:opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .reveal { opacity:1; transform:none; }
}

@media (max-width: 980px) {
  .section { padding:88px 0; }
  .hero-grid, .ecosystem-grid, .split { grid-template-columns:1fr; gap:56px; }
  .hero { min-height:auto; }
  .hero-copy { max-width:800px; }
  .hero-visual { max-width:620px; margin-inline:auto; }
  .principle-grid { grid-template-columns:repeat(2,1fr); }
  .capability-grid { grid-template-columns:repeat(2,1fr); }
  .roadmap-grid { grid-template-columns:repeat(2,1fr); }
  .section-heading { grid-template-columns:1fr; gap:14px; }
  .contact-box { grid-template-columns:1fr; }
}

@media (max-width: 760px) {
  .container { width:min(100% - 28px,1160px); }
  .section { padding:72px 0; }
  h1 { font-size:clamp(2.75rem,14vw,4.5rem); }
  .menu-toggle { display:block; }
  .main-nav {
    position:absolute; top:76px; left:0; right:0; display:none; flex-direction:column;
    align-items:stretch; gap:0; padding:14px; background:var(--paper); border-bottom:1px solid var(--line);
  }
  .main-nav.open { display:flex; }
  .main-nav a { padding:14px; }
  .main-nav .button { margin-top:8px; }
  .principle-grid, .capability-grid, .roadmap-grid { grid-template-columns:1fr; }
  .layer { grid-template-columns:44px 1fr; gap:16px; }
  .layer ul { grid-column:2; justify-content:flex-start; }
  .hero-facts { gap:18px; }
  .contact-box { padding:40px 26px; border-radius:24px; }
  .site-footer .container { grid-template-columns:1fr; }
}

@media (max-width: 480px) {
  .hero-actions { align-items:flex-start; flex-direction:column; }
  .hero-actions .button { width:100%; }
  .principle-card, .capability { padding:24px; }
  .layer { padding:22px 18px; }
}
.eco-node {
    display: block;
    color: inherit;
    text-decoration: none;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.eco-node:hover {
    transform: translateY(-3px);
    border-color: var(--wood);
    box-shadow: 0 16px 36px rgba(0,0,0,0.12);
}

.origin-story{
    margin-bottom:2.2rem;
    max-width:650px;
}

.origin-label{
    display:inline-block;
    margin-bottom:.55rem;
    font-size:.72rem;
    font-weight:700;
    letter-spacing:.18em;
    text-transform:uppercase;
    color:#7d857e;
}

.origin-story p{
    margin:0;
    padding-left:1rem;
    border-left:3px solid #c9a46a;
    color:#46504b;
    font-size:1rem;
    line-height:1.7;
}

.origin-story strong{
    color:#14211d;
    font-weight:700;
}
/* ===== V1.1 — Nuevas secciones ===== */

.problem-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.problem-card { padding:30px; background:rgba(255,255,255,.55); border:1px solid rgba(21,32,28,.08); border-radius:var(--radius); transition:transform .2s ease, border-color .2s ease; }
.problem-card:hover { transform:translateY(-3px); border-color:var(--wood); }
.p-icon { display:inline-block; font-size:1.3rem; color:var(--wood); margin-bottom:22px; }
.problem-card h3 { margin:0 0 10px; font-size:1.1rem; }
.problem-card p { color:var(--muted); margin:0; }

.results-list { display:flex; flex-direction:column; gap:0; margin-top:8px; }
.result-row { display:flex; align-items:center; gap:24px; padding:22px 0; border-bottom:1px solid var(--line); }
.result-row:first-child { border-top:1px solid var(--line); }
.result-row h3 { margin:0; font-size:1.35rem; letter-spacing:-.02em; }
.r-mark { font-family:Manrope; font-weight:800; color:var(--wood); font-size:.85rem; min-width:32px; }

.case-list { display:flex; flex-direction:column; gap:16px; }
.case-card { padding:34px; background:rgba(255,255,255,.6); border:1px solid var(--line); border-radius:var(--radius); }
.case-card .number { display:block; font-family:Manrope; font-weight:800; color:var(--wood); font-size:.85rem; margin-bottom:14px; }
.case-sector { font-size:.75rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--sage-dark); margin-bottom:10px; }
.case-card h3 { margin:0 0 12px; font-size:1.3rem; }
.case-card > p:not(.case-sector):not(.case-learned) { color:var(--muted); margin-bottom:14px; }
.case-learned { padding-left:16px; border-left:3px solid var(--wood); color:var(--ink-2); margin:0; font-size:.95rem; }

.capability-tags { display:flex; flex-wrap:wrap; gap:14px; }
.cap-tag { padding:14px 22px; border-radius:999px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); color:rgba(255,255,255,.85); font-weight:600; font-size:.95rem; transition:background .2s ease, border-color .2s ease; }
.cap-tag:hover { background:rgba(255,255,255,.1); border-color:var(--wood-light); }

.button-outline { background:transparent; color:var(--ink); border:1.5px solid var(--ink); box-shadow:none; }
.button-outline:hover { background:var(--ink); color:white; }

.insights-teaser .insights-box { display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.insights-box h2 { margin-bottom:6px; }

.faq-list { display:flex; flex-direction:column; gap:0; max-width:820px; }
.faq-item { padding:22px 0; border-bottom:1px solid var(--line); }
.faq-item:first-child { border-top:1px solid var(--line); }
.faq-item summary { cursor:pointer; font-weight:700; font-size:1.05rem; list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; font-size:1.3rem; color:var(--wood); transition:transform .2s ease; }
.faq-item[open] summary::after { content:"–"; }
.faq-item p { margin:14px 0 0; color:var(--muted); max-width:680px; }

/* Ecosistema — estados por nodo */
.eco-node.quicalcura:hover { border-color:var(--wood); box-shadow:0 16px 36px rgba(201,154,104,.22); }
.eco-node.quarkm { }
.eco-node.quarkm:hover { border-color:#3d6fb4; box-shadow:0 16px 36px rgba(61,111,180,.2); }
.eco-node.quarkm strong { color:#2d5488; }
.eco-node.netbin span { display:flex; align-items:center; gap:6px; }
.status-dot { width:7px; height:7px; border-radius:50%; background:#7fd8a4; display:inline-block; }

@media (max-width: 980px) {
  .problem-grid { grid-template-columns:repeat(2,1fr); }
  .insights-teaser .insights-box { flex-direction:column; align-items:flex-start; }
}

@media (max-width: 760px) {
  .problem-grid { grid-template-columns:1fr; }
  .result-row { gap:16px; }
}

/* ===== /casos/ ===== */
.back-link { display:inline-flex; align-items:center; gap:6px; }

/* ===== Bloque "Evidencia" — netbin-seccion-casos.html integrado tal cual en el home =====
   Escopado bajo .casos-dark porque el sitio ya define h2, .eyebrow, etc. de forma global. */
.casos-dark{
  --bg: #14211d;
  --bg-raised: #1b2b25;
  --line: rgba(232, 238, 234, 0.14);
  --line-strong: rgba(232, 238, 234, 0.28);
  --text: #e8eee9;
  --text-muted: #9fb0a7;
  --text-faint: #6d7f76;
  --accent: #c9a86a;
  --mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  scroll-margin-top: 72px;
}
.casos-dark .casos{ max-width: 1040px; margin: 0 auto; padding: 96px 32px 120px; }
.casos-dark .eyebrow{ margin:0 0 20px; font-family: var(--mono); font-size: 12.5px; font-weight:400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.casos-dark h2{ font-family: var(--sans); font-size: clamp(28px, 4vw, 40px); font-weight: 500; letter-spacing: -0.01em; max-width: 720px; margin-bottom: 16px; line-height:1.2; }
.casos-dark .lead{ color: var(--text-muted); font-size: 16px; max-width: 620px; margin-bottom: 64px; }
.casos-dark .case{ display: grid; grid-template-columns: 72px 1fr; gap: 8px 32px; padding: 40px 0; border-top: 1px solid var(--line); }
.casos-dark .case:last-of-type{ border-bottom: 1px solid var(--line); }
.casos-dark .case-num{ font-family: var(--mono); font-size: 13px; color: var(--text-faint); padding-top: 4px; }
.casos-dark .case-sector{ font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.casos-dark .case-body h3{ font-family: var(--sans); font-size: 19px; font-weight: 500; margin-bottom: 14px; color: var(--text); letter-spacing:normal; }
.casos-dark .case-row{ display: grid; grid-template-columns: 110px 1fr; gap: 4px 16px; font-size: 14.5px; margin-bottom: 10px; }
.casos-dark .case-row dt{ color: var(--text-faint); font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; padding-top: 2px; }
.casos-dark .case-row dd{ color: var(--text-muted); }
.casos-dark .case-row.result dd{ color: var(--text); }
.casos-dark .case-tags{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.casos-dark .tag{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--text-muted); border: 1px solid var(--line-strong); border-radius: 3px; padding: 4px 9px; }
.casos-dark .footnote{ margin-top: 56px; font-size: 13px; color: var(--text-faint); max-width: 620px; border-top: 1px solid var(--line); padding-top: 24px; }

@media (max-width: 640px){
  .casos-dark .case{ grid-template-columns: 1fr; }
  .casos-dark .case-num{ padding-top: 0; }
  .casos-dark .case-row{ grid-template-columns: 1fr; gap: 2px; }
}