/* Frontier AIBS visual language, scoped to the Power Platform sub-track. */
:root {
  color-scheme: dark;
  --bg: #07080a;
  --bg-card: #111318;
  --bg-elevated: #191c23;
  --fg: #f0f1f3;
  --fg-soft: #c8cad0;
  --fg-weak: #a5a9b4;
  --line: #30343e;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --pink: #f472b6;
  --warning: #fcd34d;
  --aurora: linear-gradient(135deg, var(--cyan), var(--purple) 50%, var(--pink));
  --font: 'Inter', 'Segoe UI', sans-serif;
  --display: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 var(--font); }
a { color: var(--cyan); text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { color: var(--fg); }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link { position: absolute; top: -8rem; left: 1rem; z-index: 20; padding: 1rem; background: var(--bg-card); }
.skip-link:focus { top: .5rem; }
.container { width: min(1180px, 100% - 48px); margin-inline: auto; }
.topnav { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; flex-wrap: wrap; }
.brand { font: 800 18px var(--display); color: var(--fg); text-decoration: none; }
.brand span, .accent { background: var(--aurora); background-clip: text; -webkit-background-clip: text; color: transparent; }
.topnav nav, .btn-row, .meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.topnav nav { font-size: 13px; }
.topnav nav a { color: var(--fg-soft); text-decoration: none; }
.review-banner { padding: 10px 24px; border-block: 1px solid var(--line); color: var(--warning); background: var(--bg-card); font-size: 13px; text-align: center; }
.hero { padding-block: 64px 48px; }
.eyebrow { text-transform: uppercase; letter-spacing: .15em; color: var(--fg-weak); font-size: 12px; font-weight: 700; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: clamp(38px, 6vw, 72px); max-width: 20ch; margin: 20px 0 24px; }
h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 16px; }
h3 { font-size: 21px; margin: 0 0 12px; }
p { margin: 0 0 18px; }
.lead { font-size: 20px; color: var(--fg-soft); max-width: 65ch; }
.muted { color: var(--fg-weak); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 18px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; font-weight: 700; color: var(--fg); background: var(--bg-card); text-decoration: none; }
.btn:hover { border-color: var(--cyan); color: var(--fg); }
.btn-primary { background: var(--aurora); color: var(--bg); border-color: transparent; }
.btn-primary:hover { color: var(--bg); }
.btn:disabled { cursor: default; opacity: .45; }
.section { padding-block: 44px; border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 20px; margin-top: 28px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-card); display: flex; flex-direction: column; align-items: flex-start; }
.card p { color: var(--fg-soft); }
.card .btn-row { margin-top: auto; }
.number { display: block; font: 700 32px var(--display); color: var(--purple); margin-bottom: 16px; }
.tag { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; color: var(--fg-soft); font-size: 12px; }
.meta { margin-bottom: 18px; gap: 8px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.metrics div { padding: 20px 0; border-top: 1px solid var(--line); }
.metrics strong { display: block; font: 800 36px var(--display); }
.metrics span { color: var(--fg-weak); font-size: 14px; }
.filters { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 24px 0; }
.filters input, .filters select { color: var(--fg); background: var(--bg-card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; min-width: 0; max-width: 100%; }
.filters input { flex: 1; }
[hidden] { display: none !important; }
.callout { border-left: 3px solid var(--purple); padding: 20px 24px; background: var(--bg-card); border-radius: 0 12px 12px 0; margin-block: 24px; }
.steps { counter-reset: step; padding: 0; list-style: none; display: grid; gap: 16px; }
.steps li { counter-increment: step; display: flex; align-items: flex-start; gap: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.steps li::before { content: counter(step, decimal-leading-zero); color: var(--cyan); font-weight: 800; }
footer { padding-block: 32px; color: var(--fg-weak); border-top: 1px solid var(--line); font-size: 13px; }
.prose { max-width: 940px; padding-block: 36px 64px; overflow-wrap: anywhere; }
.prose h1 { font-size: clamp(30px, 4vw, 48px); max-width: 32ch; }
.prose h2 { font-size: 28px; margin-top: 44px; }
.prose h3 { margin-top: 32px; }
.prose h4 { margin-top: 24px; }
.prose li { margin-block: 8px; }
.prose blockquote { margin: 24px 0; padding: 18px 24px; border-left: 3px solid var(--purple); background: var(--bg-card); }
.table-scroll { overflow-x: auto; margin-block: 24px; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-elevated); }
tr:last-child td { border-bottom: 0; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-card); }
code { font-family: Consolas, 'Courier New', monospace; font-size: .92em; }
.copy-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.copy-status { color: var(--fg-weak); font-size: 13px; }
.reader-tools { padding-block: 18px; border-bottom: 1px solid var(--line); display: flex; gap: 16px; flex-wrap: wrap; }
.deck-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-block: 18px; }
.deck-toolbar select { max-width: 100%; min-width: 0; background: var(--bg-card); color: var(--fg); border: 1px solid var(--line); padding: 10px; border-radius: 8px; }
.slide { min-height: 60vh; padding-block: 36px 44px; }
.slide h1, .slide h2 { max-width: 24ch; font-size: clamp(34px, 5vw, 60px); }
.slide .grid { margin-top: 28px; }
.slide .card h3 { font-size: 22px; }
.slide ul { padding-left: 22px; color: var(--fg-soft); }
.slide .source { font-size: 12px; color: var(--fg-weak); margin-top: 24px; }
.progress { height: 3px; background: var(--line); }
.progress span { display: block; height: 100%; background: var(--aurora); width: 0; }
.deck-status { color: var(--fg-soft); font-variant-numeric: tabular-nums; }
.all-slides .slide { border-top: 1px solid var(--line); }
@media (max-width: 600px) {
  .container { width: calc(100% - 32px); }
  .hero { padding-top: 36px; }
  .metrics { gap: 12px; }
  .metrics strong { font-size: 28px; }
  .card { padding: 20px; }
  .deck-toolbar select { width: 100%; }
  .lead { font-size: 18px; }
  pre { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  :root { color-scheme: light; --bg: white; --bg-card: white; --bg-elevated: #eee; --fg: black; --fg-soft: #222; --fg-weak: #444; --line: #aaa; --cyan: #134e70; --purple: #493278; --warning: #604700; }
  .topnav, .deck-toolbar, .reader-tools, .copy-row, .filters, .skip-link, footer, .progress { display: none; }
  .accent, .brand span { background: none; color: var(--fg); }
  .container { width: 100%; }
  .slide, .slide[hidden] { display: block !important; min-height: 0; break-after: page; }
  .card { break-inside: avoid; }
  a { color: var(--fg); }
  .table-scroll { overflow: visible; }
}