/* ============================================================
   JOULE — Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.6;
  color: var(--text-mid);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  overflow-x: hidden;
}

/* faint instrument grid behind everything */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 35%, transparent 78%);
  pointer-events: none;
}

h1,h2,h3,h4 { font-family: var(--font-display); color: var(--text-hi); font-weight: 800; line-height: 1.04; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--signal-300); color: var(--accent-ink); }

svg.ic { flex: none; vertical-align: -0.14em; }
.tag svg.ic { vertical-align: -0.12em; margin-right: 1px; }
.mono { font-family: var(--font-mono); font-feature-settings: 'tnum' 1, 'zero' 1; }
.num  { font-family: var(--font-mono); font-feature-settings: 'tnum' 1, 'zero' 1; letter-spacing: -0.02em; }

/* ---- layout ---- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(56px, 8vw, 120px) 0; }
.eyebrow {
  font-family: var(--font-mono); font-size: var(--t-mono-xs); font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--accent); display: inline-block; }

/* ---- top nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: var(--t-sm); }
.nav-links a { color: var(--text-mid); transition: color .2s var(--ease); }
.nav-links a:hover { color: var(--text-hi); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

/* ---- brand logo (type-led wordmark + geometric mark) ---- */
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text-hi); }
.logo-mark { width: 26px; height: 26px; flex: none; display: block; }
.logo-word { font-family: var(--font-display); font-weight: 800; font-size: 1.32rem; letter-spacing: -0.03em; color: var(--text-hi); }
.logo-word b { color: var(--accent); font-weight: 800; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-size: var(--t-sm); font-weight: 700;
  padding: 10px 18px; border-radius: var(--r-md); border: 1px solid transparent;
  cursor: pointer; transition: transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: var(--signal-200); }
.btn-ghost { background: transparent; color: var(--text-hi); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 7px 13px; font-size: var(--t-xs); }
.btn-lg { padding: 14px 26px; font-size: var(--t-base); }

/* ---- generic card ---- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 22px;
}
.card-tight { padding: 16px; }

/* ---- pills / badges ---- */
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: var(--t-mono-xs); font-weight: 500;
  padding: 5px 11px; border-radius: 999px; border: 1px solid var(--border-strong);
  color: var(--text-mid); background: var(--surface-2);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.pill.ok      { color: var(--ok);     border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.pill.ok .dot { background: var(--ok); }
.pill.warn    { color: var(--warn);   border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.pill.warn .dot { background: var(--warn); }
.pill.danger  { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 38%, transparent); }
.pill.danger .dot { background: var(--danger); }
.pill .dot.live { box-shadow: 0 0 0 0 currentColor; animation: ping 1.8s var(--ease) infinite; }
@keyframes ping { 0%{ box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 70%, transparent);} 70%{ box-shadow:0 0 0 6px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; padding-top: clamp(48px, 7vw, 90px); padding-bottom: clamp(40px, 5vw, 64px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.hero h1 { font-size: var(--t-4xl); letter-spacing: -0.035em; font-weight: 800; color: var(--text-hi); }
.hero h1 .accent { color: var(--accent); }
.hero-lede { font-size: var(--t-lg); color: var(--text-mid); max-width: 34ch; margin-top: 22px; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero-meta { margin-top: 26px; display: flex; gap: 26px; flex-wrap: wrap; color: var(--text-lo); font-size: var(--t-sm); }
.hero-meta b { color: var(--text-hi); font-family: var(--font-mono); font-weight: 700; }

/* hero instrument panel */
.instrument {
  position: relative; background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border: 1px solid var(--border-strong); border-radius: var(--r-xl);
  padding: 24px; box-shadow: var(--shadow-2);
  overflow: hidden;
}
.instrument::after {
  content:""; position:absolute; inset:0; border-radius: inherit; pointer-events:none;
  background: radial-gradient(120% 80% at 80% -10%, rgba(91,228,155,0.10), transparent 55%);
}
.instrument-head { display:flex; align-items:center; justify-content:space-between; margin-bottom: 6px; }
.instrument-title { font-family: var(--font-mono); font-size: var(--t-mono-xs); letter-spacing:.12em; text-transform: uppercase; color: var(--text-lo); }

/* ============================================================
   GAUGE
   ============================================================ */
.gauge-row { display:flex; align-items:center; gap: 20px; }
.gauge { position: relative; flex: none; }
.gauge-center { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; }
.gauge-center.gc-semi { justify-content:flex-end; padding-bottom:8%; gap:1px; }
.gauge-value { font-family: var(--font-mono); font-weight: 700; font-size: 1.7rem; color: var(--text-hi); letter-spacing:-.03em; line-height:1; }
.gauge-sub { font-family: var(--font-mono); font-size: var(--t-mono-xs); color: var(--text-lo); margin-top: 4px; }
.gauge-legend { display:flex; flex-direction:column; gap: 12px; flex:1; min-width:0; }
.gl-item { display:flex; flex-direction:column; gap:3px; }
.gl-top { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.gl-label { display:flex; align-items:center; gap:8px; font-size: var(--t-sm); color: var(--text-mid); }
.gl-swatch { width:9px; height:9px; border-radius:2px; flex:none; }
.gl-val { font-family: var(--font-mono); font-size: var(--t-sm); color: var(--text-hi); font-weight:500; }
.gl-bar { height: 5px; border-radius: 3px; background: var(--ink-700); overflow:hidden; }
.gl-bar > i { display:block; height:100%; border-radius:3px; }

/* ============================================================
   FEATURE / VALUE SECTIONS
   ============================================================ */
.lead { font-size: var(--t-2xl); color: var(--text-hi); max-width: 22ch; font-family: var(--font-display); font-weight: 800; letter-spacing: -0.025em; line-height: 1.08; }
.section-head { display:flex; flex-direction:column; gap: 18px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 60ch; }
.section-head p { color: var(--text-mid); font-size: var(--t-lg); }

.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display:grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.grid-4 { display:grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.feature { position: relative; transition: border-color .25s var(--ease), transform .25s var(--ease); }
.feature:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.feature .ficon { width: 38px; height: 38px; border-radius: var(--r-sm); display:grid; place-items:center; background: color-mix(in srgb, var(--accent) 12%, transparent); border:1px solid color-mix(in srgb, var(--accent) 22%, transparent); margin-bottom: 16px; }
.feature .ficon svg { width: 20px; height: 20px; stroke: var(--accent); }
.feature h3 { font-size: var(--t-lg); margin-bottom: 8px; }
.feature p { font-size: var(--t-sm); color: var(--text-mid); }

/* numbered stat block */
.statrow { display:grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border:1px solid var(--border); border-radius: var(--r-lg); overflow:hidden; }
.stat { background: var(--surface); padding: 26px 22px; }
.stat .v { font-family: var(--font-mono); font-weight:700; font-size: clamp(1.8rem, 1.2rem+2vw, 2.6rem); color: var(--text-hi); letter-spacing:-.03em; line-height:1; }
.stat .v .accent { color: var(--accent); }
.stat .k { font-size: var(--t-sm); color: var(--text-lo); margin-top: 10px; }

/* code / cli block */
.codeblock { background: var(--ink-900); border:1px solid var(--border); border-radius: var(--r-lg); overflow:hidden; font-family: var(--font-mono); font-size: var(--t-sm); }
.codeblock .cb-head { display:flex; align-items:center; gap:7px; padding: 11px 16px; border-bottom:1px solid var(--border); color: var(--text-lo); font-size: var(--t-mono-xs); }
.cb-dot { width:11px;height:11px;border-radius:50%; }
.codeblock pre { margin:0; padding: 18px 20px; overflow-x:auto; line-height:1.7; color: var(--text-mid); }
.codeblock .c-prompt { color: var(--accent); }
.codeblock .c-dim { color: var(--text-dim); }
.codeblock .c-key { color: var(--info); }
.codeblock .c-ok  { color: var(--ok); }
.codeblock .c-warn{ color: var(--warn); }
.codeblock .c-danger{ color: var(--danger); }
.codeblock .c-str { color: #e7c08a; }

/* ============================================================
   DASHBOARD
   ============================================================ */
.app { display:grid; grid-template-columns: 232px 1fr; min-height: 100dvh; }
.side { border-right:1px solid var(--border); background: var(--ink-900); padding: 18px 14px; position: sticky; top:0; height: 100dvh; display:flex; flex-direction:column; gap: 4px; }
.side .logo { margin: 6px 8px 18px; }
.side-group { font-family: var(--font-mono); font-size: var(--t-mono-xs); letter-spacing:.12em; text-transform: uppercase; color: var(--text-dim); padding: 16px 12px 6px; }
.side-link { display:flex; align-items:center; gap:11px; padding: 9px 12px; border-radius: var(--r-sm); color: var(--text-mid); font-size: var(--t-sm); transition: background .18s var(--ease), color .18s var(--ease); }
.side-link svg { width:17px; height:17px; stroke: currentColor; flex:none; }
.side-link:hover { background: var(--surface-2); color: var(--text-hi); }
.side-link.active { background: color-mix(in srgb, var(--accent) 13%, transparent); color: var(--accent); }
.side-foot { margin-top:auto; padding: 12px; border-top:1px solid var(--border); }

.main { padding: 0; min-width:0; }
.topbar { position: sticky; top:0; z-index: 20; display:flex; align-items:center; justify-content:space-between; gap:16px; padding: 16px 28px; border-bottom:1px solid var(--border); background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(12px); }
.topbar h1 { font-size: var(--t-xl); }
.crumbs { font-family: var(--font-mono); font-size: var(--t-mono-xs); color: var(--text-lo); letter-spacing:.04em; }
.seg { display:inline-flex; background: var(--surface-2); border:1px solid var(--border); border-radius: var(--r-md); padding: 3px; gap:2px; }
.seg button { font-family: var(--font-mono); font-size: var(--t-xs); color: var(--text-mid); background: transparent; border:0; padding: 6px 12px; border-radius: 7px; cursor:pointer; transition: background .15s, color .15s; }
.seg button.active { background: var(--elevated); color: var(--text-hi); }

.panel { padding: 24px 28px; display:flex; flex-direction:column; gap: 20px; }
.kpi-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.kpi { background: var(--surface); border:1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; position:relative; overflow:hidden; }
.kpi .kp-label { font-size: var(--t-xs); color: var(--text-lo); display:flex; align-items:center; gap:7px; }
.kpi .kp-val { font-family: var(--font-mono); font-weight:700; font-size: 1.9rem; color: var(--text-hi); letter-spacing:-.03em; margin-top:8px; line-height:1; }
.kpi .kp-delta { font-family: var(--font-mono); font-size: var(--t-xs); margin-top:10px; display:inline-flex; align-items:center; gap:5px; }
.kp-delta.up { color: var(--danger); }
.kp-delta.down { color: var(--ok); }
.kp-spark { position:absolute; right:14px; bottom:14px; opacity:.85; }

.dash-grid { display:grid; grid-template-columns: 1.6fr 1fr; gap: 16px; align-items:start; }
.card-head { display:flex; align-items:center; justify-content:space-between; gap: 12px; margin-bottom: 18px; }
.card-head h3 { font-size: var(--t-lg); }
.card-head .sub { font-size: var(--t-xs); color: var(--text-lo); }

/* bar chart (cost over time) */
.barchart { display:flex; align-items:flex-end; gap: 6px; height: 200px; padding-top: 8px; }
.bc-col { flex:1; display:flex; flex-direction:column; justify-content:flex-end; gap:4px; height:100%; min-width:0; position:relative; }
.bc-stack { display:flex; flex-direction:column-reverse; border-radius: 4px 4px 0 0; overflow:hidden; min-height:2px; transition: filter .15s; }
.bc-col:hover .bc-stack { filter: brightness(1.18); }
.bc-seg { width:100%; }
.bc-x { text-align:center; font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-dim); white-space:nowrap; }
.chart-legend { display:flex; gap:16px; flex-wrap:wrap; margin-top: 4px; }
.cl-item { display:flex; align-items:center; gap:7px; font-size: var(--t-xs); color: var(--text-mid); }
.cl-sw { width:10px;height:10px;border-radius:3px; }

/* table */
.tbl { width:100%; border-collapse: collapse; font-size: var(--t-sm); }
.tbl th { text-align:left; font-family: var(--font-mono); font-size: var(--t-mono-xs); letter-spacing:.07em; text-transform:uppercase; color: var(--text-lo); font-weight:500; padding: 0 14px 12px; border-bottom:1px solid var(--border); }
.tbl th.r, .tbl td.r { text-align:right; }
.tbl td { padding: 13px 14px; border-bottom:1px solid var(--border); color: var(--text-mid); }
.tbl tr:last-child td { border-bottom:0; }
.tbl tr:hover td { background: var(--surface-2); }
.tbl .name { color: var(--text-hi); font-weight:500; display:flex; align-items:center; gap:10px; }
.tbl .cost { font-family: var(--font-mono); color: var(--text-hi); font-weight:500; }
.avatar { width:26px; height:26px; border-radius:50%; flex:none; display:grid; place-items:center; font-family:var(--font-mono); font-size:.66rem; font-weight:700; color: var(--ink-950); }
.minibar { display:inline-block; vertical-align:middle; height:6px; border-radius:3px; background: var(--ink-700); width:90px; overflow:hidden; }
.minibar > i { display:block; height:100%; background: var(--accent); border-radius:3px; }

/* alert feed */
.alert { display:flex; gap: 13px; padding: 14px; border-radius: var(--r-md); background: var(--surface-2); border:1px solid var(--border); border-left:3px solid var(--text-lo); }
.alert + .alert { margin-top: 10px; }
.alert.danger { border-left-color: var(--danger); background: color-mix(in srgb, var(--danger) 7%, var(--surface-2)); }
.alert.warn   { border-left-color: var(--warn); }
.alert.info   { border-left-color: var(--info); }
.alert .a-ico { width:32px; height:32px; border-radius: var(--r-sm); flex:none; display:grid; place-items:center; }
.alert.danger .a-ico { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.alert.warn .a-ico { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.alert.info .a-ico { background: color-mix(in srgb, var(--info) 16%, transparent); color: var(--info); }
.alert .a-ico svg { width:17px; height:17px; }
.a-body { min-width:0; flex:1; }
.a-title { color: var(--text-hi); font-size: var(--t-sm); font-weight:600; display:flex; gap:10px; justify-content:space-between; }
.a-time { color: var(--text-dim); font-family: var(--font-mono); font-size: var(--t-mono-xs); white-space:nowrap; }
.a-desc { font-size: var(--t-xs); color: var(--text-mid); margin-top:3px; }
.a-meta { margin-top:9px; display:flex; gap:8px; flex-wrap:wrap; }
.tag { font-family: var(--font-mono); font-size: var(--t-mono-xs); padding: 3px 8px; border-radius: 5px; background: var(--ink-800); color: var(--text-lo); border:1px solid var(--border); }

/* donut model mix */
.donut-row { display:flex; align-items:center; gap: 22px; }

/* ============================================================
   BRAND PAGE
   ============================================================ */
.swatch-grid { display:grid; grid-template-columns: repeat(11, 1fr); gap:0; border-radius: var(--r-md); overflow:hidden; border:1px solid var(--border); }
.swatch { aspect-ratio: 1/1.5; display:flex; flex-direction:column; justify-content:flex-end; padding:9px; }
.swatch span { font-family: var(--font-mono); font-size: 0.6rem; line-height:1.4; }
.swatch .s-num { opacity:.7; }
.token-row { display:flex; align-items:center; gap:14px; padding: 11px 0; border-bottom:1px solid var(--border); }
.token-chip { width:34px; height:34px; border-radius: var(--r-sm); border:1px solid var(--border-strong); flex:none; }
.type-spec { padding: 22px 0; border-bottom: 1px solid var(--border); }
.type-spec .tlabel { font-family: var(--font-mono); font-size: var(--t-mono-xs); color: var(--text-lo); letter-spacing:.1em; text-transform:uppercase; margin-bottom: 14px; }
.icon-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(96px,1fr)); gap: 12px; }
.icon-cell { aspect-ratio:1; border:1px solid var(--border); border-radius: var(--r-md); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; background: var(--surface); color: var(--text-hi); }
.icon-cell svg { width:24px; height:24px; stroke: var(--accent); }
.icon-cell span { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-lo); }
.name-card { padding: 18px 20px; border:1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); }
.name-card.primary { border-color: color-mix(in srgb, var(--accent) 40%, transparent); box-shadow: var(--shadow-glow); }
.name-card h4 { font-size: var(--t-xl); display:flex; align-items:center; gap:10px; }
.name-card .rationale { font-size: var(--t-sm); color: var(--text-mid); margin-top:6px; }

/* ---- footer ---- */
.footer { border-top:1px solid var(--border); padding: 56px 0 40px; margin-top: 40px; }
.footer-grid { display:grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 32px; }
.footer h5 { font-family: var(--font-mono); font-size: var(--t-mono-xs); letter-spacing:.1em; text-transform:uppercase; color: var(--text-lo); margin:0 0 14px; }
.footer a { display:block; color: var(--text-mid); font-size: var(--t-sm); padding: 5px 0; transition: color .15s; }
.footer a:hover { color: var(--accent); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; margin-top:40px; padding-top: 24px; border-top:1px solid var(--border); color: var(--text-dim); font-size: var(--t-xs); flex-wrap:wrap; gap:12px; }

/* reveal on scroll — default VISIBLE; only hidden once JS opts in (.js) */
.reveal { transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal:not(.in) { opacity: 0; transform: translateY(16px); }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce) { .reveal, .js .reveal:not(.in) { opacity:1 !important; transform:none !important; } }

/* ---- responsive ---- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-lede { max-width: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .app { grid-template-columns: 1fr; }
  .side { display:none; }
}
@media (max-width: 680px) {
  .wrap { padding: 0 18px; }
  .nav-links { display:none; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .statrow { grid-template-columns: 1fr 1fr; }
  .swatch-grid { grid-template-columns: repeat(6, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .gauge-row { flex-direction: column; align-items: stretch; }
  .panel { padding: 18px 16px; }
  .topbar { padding: 14px 16px; }
  .hero h1 { font-size: clamp(2.4rem, 9vw, 3rem); }
  .barchart { gap: 3px; }
}

/* focus ring */
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }

/* skip link */
.skip { position:absolute; left:-9999px; top:8px; background: var(--accent); color: var(--accent-ink); padding:8px 14px; border-radius: var(--r-sm); z-index:100; font-weight:700; }
.skip:focus { left:12px; }