/* Cross-Region Private Networking — acquisition presentation */
:root {
  --ink: #0c1c24;
  --ink-soft: #3a4f58;
  --accent: #1a6b5c;
  --accent-hover: #145248;
  --surface: #f7faf9;
  --surface-2: #e8f1ee;
  --card: #ffffff;
  --warn: #6e4a12;
  --sim: #5a3a1a;
  --line: rgba(12, 28, 36, 0.1);
  --shadow: 0 10px 30px rgba(12, 28, 36, 0.06);
  --mono: "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
  --display: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 920px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.55;
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
}

a { color: var(--accent); font-weight: 600; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(26, 107, 92, 0.08);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.35rem 3.5rem;
}

/* Header */
header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding-bottom: 1.1rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
  animation: fade-in 0.45s ease-out;
}
header.site a.brand { display: flex; align-items: center; text-decoration: none; }
header.site img.logo {
  height: 48px;
  width: auto;
  display: block;
}
nav.site {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.15rem;
}
nav.site a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 0.35rem 0.55rem;
  border-radius: 4px;
  text-decoration: none;
}
nav.site a:hover {
  color: var(--accent);
  background: rgba(26, 107, 92, 0.08);
  text-decoration: none;
}
nav.site a.active {
  color: var(--accent);
  background: rgba(26, 107, 92, 0.12);
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
}
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border-radius: 3px;
  background: var(--accent);
  color: #fff;
}
.badge.warn { background: var(--warn); }
.badge.sim { background: var(--sim); }
.badge.dark { background: var(--ink); }
.badge.outline {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* Type */
h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.8vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 0.85rem;
  animation: rise 0.5s ease-out;
}
h2 {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 0.55rem;
  color: var(--ink);
}
p.lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0 0 1.25rem;
}
p { margin: 0 0 0.85rem; color: var(--ink-soft); }
p strong, li strong { color: var(--ink); }

/* CTA */
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 1.75rem;
}
.btn {
  display: inline-block;
  padding: 0.55rem 1.05rem;
  border-radius: 5px;
  border: 0;
  background: var(--accent);
  color: #fff !important;
  font-weight: 650;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none !important;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn.ghost {
  background: transparent;
  color: var(--ink) !important;
  box-shadow: inset 0 0 0 1.5px rgba(12, 28, 36, 0.28);
}
.btn.ghost:hover { background: rgba(12, 28, 36, 0.04); }

/* Panels */
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.15rem 1.25rem;
  margin: 0 0 1rem;
  box-shadow: var(--shadow);
}
.panel > :last-child { margin-bottom: 0; }
.grid2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-bottom: 1rem;
}
ul.clean, ol {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}
ul.clean li, ol li { margin: 0.3rem 0; }

/* Tables */
table.simple {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.simple th,
table.simple td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.simple th { color: var(--ink); font-weight: 700; width: 32%; }

/* Code / log */
pre, .mono { font-family: var(--mono); }
pre.out {
  background: var(--ink);
  color: #d4ebe4;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  margin: 0.75rem 0 0;
  box-shadow: var(--shadow);
}

/* Footer */
footer.site {
  margin-top: 2.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-soft);
  animation: fade-in 0.6s ease-out 0.1s both;
}
footer.site a { font-weight: 600; }

/* Demo controls */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0.35rem;
}
.controls button {
  padding: 0.42rem 0.7rem;
  border: 0;
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s ease;
}
.controls button:hover { background: var(--accent-hover); }
.controls button.secondary { background: var(--ink); }
.controls button.secondary:hover { background: #1a3038; }

canvas#fabric {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: var(--ink);
  box-shadow: var(--shadow);
}

.notice {
  font-size: 0.88rem;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--accent);
  background: rgba(26, 107, 92, 0.06);
  border-radius: 0 6px 6px 0;
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  header.site { flex-direction: column; align-items: flex-start; }
  .wrap { padding: 1.15rem 1rem 2.5rem; }
}