/* ══════════════════════════════════════════════════════════
   EcosystemGraph — connected-graph hero background
   Standalone: drop this file + ecosystem-graph.js on any page.
   Tokens fall back to the site's own when they exist.
   ══════════════════════════════════════════════════════════ */

.eg {
  --eg-bg:      var(--bg, #121212);
  --eg-ink:     var(--ink, #f0efec);
  --eg-ink-2:   var(--ink-2, #8d8d8d);
  --eg-ink-3:   var(--ink-3, #757575);
  --eg-line:    var(--line, rgba(255, 255, 255, 0.085));
  --eg-card:    var(--card-bg, rgba(20, 22, 27, 0.86));
  --eg-particle-rgb: 120,200,255;
  --eg-cyan:    #5ad0ff;
  --eg-brand:   var(--blue, #4398cd);
  --eg-sans:    var(--sans, "Archivo", system-ui, sans-serif);
  --eg-mono:    var(--mono, "JetBrains Mono", ui-monospace, monospace);

  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, color-mix(in srgb, var(--eg-brand) 10%, transparent), transparent 70%),
    var(--eg-bg);
  color: var(--eg-ink);
  font-family: var(--eg-sans);
  min-height: 100vh;
  min-height: 100dvh;
}

/* ── Layers ─────────────────────────────────────────────── */

.eg-particles,
.eg-edges,
.eg-nodes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.eg-particles { z-index: 0; pointer-events: none; }
.eg-edges     { z-index: 1; pointer-events: none; overflow: visible; }
.eg-nodes     { z-index: 2; }

/* ── Edges (SVG) ────────────────────────────────────────── */

.eg-edge {
  fill: none;
  stroke: var(--eg-c, var(--eg-cyan));
  stroke-width: 1;
  stroke-opacity: 0.22;
  transition: stroke-opacity 0.35s ease, stroke-width 0.35s ease, filter 0.35s ease;
}

.eg-edge[data-kind="link"] {
  stroke-dasharray: 3 6;
  stroke-opacity: 0.14;
}

.eg.is-focused .eg-edge { stroke-opacity: 0.06; }

.eg.is-focused .eg-edge.is-lit {
  stroke-opacity: 0.95;
  stroke-width: 1.6;
  filter: drop-shadow(0 0 6px var(--eg-c, var(--eg-cyan)));
}

/* ── Nodes (HTML) ───────────────────────────────────────── */

.eg-node {
  --eg-c: var(--eg-cyan);
  --eg-size: 12px;

  position: absolute;
  left: 0; top: 0;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem;
  margin: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.35s ease;
}

.eg-node:focus { outline: none; }

.eg-node:focus-visible .eg-dot {
  outline: 2px solid var(--eg-ink);
  outline-offset: 4px;
}

.eg-dot {
  position: relative;
  width: var(--eg-size);
  height: var(--eg-size);
  border-radius: 50%;
  background: var(--eg-c);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 12px 0 color-mix(in srgb, var(--eg-c) 55%, transparent);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s ease;
}

/* Soft halo that breathes slowly on the bigger nodes */
.eg-dot::after {
  content: "";
  position: absolute;
  inset: -40%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--eg-c) 30%, transparent), transparent 70%);
  opacity: 0.7;
  animation: eg-breathe 4.5s ease-in-out infinite;
}

.eg-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--eg-ink-2);
  transition: color 0.3s ease;
}

/* Tiers */

.eg-node[data-tier="0"] { --eg-size: 78px; --eg-c: var(--eg-brand); }
.eg-node[data-tier="1"] { --eg-size: 22px; }
.eg-node[data-tier="2"] { --eg-size: 11px; }

.eg-node[data-tier="0"] .eg-dot {
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.22), transparent 55%),
    var(--eg-c);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 0 40px 4px color-mix(in srgb, var(--eg-c) 45%, transparent);
}

.eg-node[data-tier="0"] .eg-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--eg-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #0d0d0d;
  margin-top: 0;
}

.eg-node[data-tier="1"] .eg-label {
  font-family: var(--eg-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--eg-ink-3);
}

.eg-node[data-tier="2"] .eg-dot::after { display: none; }

/* Hover / active / linked / dim */

@media (hover: hover) {
  .eg-node:hover .eg-dot { transform: scale(1.35); }
  .eg-node:hover .eg-label { color: var(--eg-ink); }
}

.eg-node.is-active .eg-dot {
  transform: scale(1.45);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.2) inset,
    0 0 28px 4px color-mix(in srgb, var(--eg-c) 70%, transparent);
}

.eg-node.is-active .eg-label,
.eg-node.is-linked .eg-label { color: var(--eg-ink); }

.eg-node.is-linked .eg-dot {
  transform: scale(1.18);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.14) inset,
    0 0 20px 2px color-mix(in srgb, var(--eg-c) 60%, transparent);
}

.eg.is-focused .eg-node.is-dim { opacity: 0.28; }

/* ── Card ───────────────────────────────────────────────── */

.eg-card {
  position: absolute;
  z-index: 3;
  width: min(18.5rem, calc(100% - 2rem));
  padding: 1rem 1.1rem 1.05rem;
  background: var(--eg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--eg-line);
  border-top: 2px solid var(--eg-c, var(--eg-cyan));
  box-shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  pointer-events: none;
}

.eg-card.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.eg-card-tag {
  display: block;
  font-family: var(--eg-mono);
  font-size: 0.5rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--eg-c, var(--eg-cyan));
  margin-bottom: 0.45rem;
}

.eg-card-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--eg-ink);
  margin: 0 0 0.4rem;
}

.eg-card-desc {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--eg-ink-2);
  margin: 0;
}

.eg-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  font-family: var(--eg-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--eg-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--eg-c, var(--eg-cyan));
  padding-bottom: 2px;
  transition: gap 0.25s ease, color 0.2s ease;
}

.eg-card-cta:hover { gap: 0.7rem; color: var(--eg-c, var(--eg-cyan)); }

/* ── Legend ─────────────────────────────────────────────── */

.eg-legend {
  position: absolute;
  z-index: 2;
  left: clamp(1.25rem, 5vw, 4.5rem);
  bottom: clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none;
}

.eg-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--eg-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--eg-ink-3);
}

.eg-legend i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--eg-c);
  box-shadow: 0 0 8px color-mix(in srgb, var(--eg-c) 60%, transparent);
}

/* ── Build-in choreography ──────────────────────────────── */

/* Armed: everything hidden. Built: nodes pop in order, edges draw after their
   endpoints. Settled: delays removed so hover feedback is instant again. */
.eg.is-armed .eg-node {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.2);
}

.eg.is-armed .eg-edge {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.eg.is-built .eg-node {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  transition:
    opacity 0.5s ease calc(var(--i) * 80ms),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) calc(var(--i) * 80ms);
}

.eg.is-built .eg-edge {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1) calc(0.35s + var(--i) * 45ms);
}

.eg.is-settled .eg-node { transition: opacity 0.35s ease; }

.eg.is-settled .eg-edge {
  stroke-dasharray: none;
  transition: stroke-opacity 0.35s ease, stroke-width 0.35s ease, filter 0.35s ease;
}

.eg.is-settled .eg-edge[data-kind="link"] { stroke-dasharray: 3 6; }

/* ── Motion ─────────────────────────────────────────────── */

@keyframes eg-breathe {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50%      { transform: scale(1.25); opacity: 0.9; }
}

@media (prefers-reduced-motion: reduce) {
  .eg-dot::after { animation: none; }
  .eg-dot, .eg-edge, .eg-card, .eg-node { transition: none; }
}

/* ── Small screens ──────────────────────────────────────── */

/* JS toggles .is-compact below 640px and grows min-height to fit the stack */
.eg.is-compact .eg-node[data-tier="0"] { --eg-size: 64px; }
.eg.is-compact .eg-node[data-tier="1"] { --eg-size: 18px; }

.eg.is-compact .eg-node[data-tier="2"] .eg-label {
  white-space: normal;
  text-align: center;
  max-width: 9.5rem;
  font-size: 0.6875rem;
}

.eg.is-compact .eg-legend { display: none; }