/* ===== Base (accessible, consistent) ===== */
:root{
  --bg: #0b0c0f;
  --panel: #12141a;
  --text: #e9eef6;
  --muted: #b7c0cd;
  --border: rgba(255,255,255,.12);
  --shadow: rgba(0,0,0,.35);

  --accent: #7dd3fc;
  --accent-2: #a78bfa;

  --radius: 14px;
  --max: 1100px;
  --gap: 16px;
}

@media (prefers-color-scheme: light) {
  :root{
    --bg: #fafafa;
    --panel: #ffffff;
    --text: #111827;
    --muted: #4b5563;
    --border: rgba(17,24,39,.12);
    --shadow: rgba(17,24,39,.08);
  }
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

a{ color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 3px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus{ left: 10px; }

.container{
  width: min(var(--max), calc(100% - 2*var(--gap)));
  margin: 0 auto;
  padding: 28px 0 50px;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav{
  width: min(var(--max), calc(100% - 2*var(--gap)));
  margin: 0 auto;
  padding: 14px 0;
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.brand{
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .2px;
}

.nav-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.nav-list a{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
}
.nav-list a:hover{
  color: var(--text);
  border-color: var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.nav-list a[aria-current="page"]{
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--panel) 85%, transparent);
}

.hero{
  display: grid;
  gap: 22px;
  grid-template-columns: 180px 1fr;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--panel) 92%, var(--accent) 8%),
    color-mix(in srgb, var(--panel) 92%, var(--accent-2) 8%));
  box-shadow: 0 10px 30px var(--shadow);
}
@media (max-width: 800px){
  .hero{ grid-template-columns: 1fr; }
}

.avatar{
  width: 160px;
  height: 160px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 45%),
    radial-gradient(circle at 70% 65%, color-mix(in srgb, var(--accent-2) 45%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 85%, transparent), color-mix(in srgb, var(--panel) 98%, transparent));
  box-shadow: 0 10px 25px var(--shadow);
}

h1,h2,h3,h4{ line-height: 1.2; margin: 0 0 10px; }
.lead{ font-size: 1.05rem; color: var(--text); opacity: .95; }
p{ margin: 0 0 10px; color: var(--muted); }

.cta-row{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

.button{
  display: inline-block;
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  color: var(--text);
  font-weight: 650;
}
.button:hover{
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
}
.button-secondary{
  border-color: var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  color: var(--text);
}

.grid{
  margin-top: 18px;
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1000px){ .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 650px){ .grid{ grid-template-columns: 1fr; } }

.card{
  display: block;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-decoration: none;
  background: color-mix(in srgb, var(--panel) 95%, transparent);
  box-shadow: 0 6px 18px var(--shadow);
}
.card p{ margin: 0; }

.note-block{
  margin-top: 18px;
  padding: 16px;
  border: 1px dashed color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 96%, transparent);
}

.page-hero{
  margin-top: 10px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--panel) 94%, var(--accent) 6%),
    color-mix(in srgb, var(--panel) 94%, var(--accent-2) 6%));
}

.pill-list{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 10px 0 0;
}
.pill-list li{
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text);
  font-size: .92rem;
}

.section{
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: 0 6px 18px var(--shadow);
}

.cards{
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1000px){ .cards{ grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 650px){ .cards{ grid-template-columns: 1fr; } }

.product .meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  margin-top: 8px;
}

/* ===== Page themes (distinct vibes without duplicating layout) ===== */

.page-consulting .page-hero{
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--panel) 92%, rgba(255,255,255,.06)),
    color-mix(in srgb, var(--panel) 92%, rgba(255,255,255,.02)));
  border-color: color-mix(in srgb, var(--border) 70%, rgba(255,255,255,.08));
}

.page-consulting .pill-list li{
  border-color: color-mix(in srgb, var(--border) 70%, rgba(255,255,255,.14));
  background: color-mix(in srgb, var(--panel) 94%, rgba(255,255,255,.04));
}

/* “ops dashboard” feeling */
.kpi-row{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 14px;
}
@media (max-width: 650px){
  .kpi-row{ grid-template-columns: 1fr; }
}

.kpi{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
}

.kpi-label{
  font-size: .82rem;
  color: var(--muted);
  letter-spacing: .2px;
  margin-bottom: 2px;
}

.kpi-value{
  font-weight: 750;
  letter-spacing: .2px;
}

/* ===== Engineer theme (technical, restrained) ===== */

.page-engineer .engineer-hero{
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--accent) 22%, var(--border));
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--panel) 92%, rgba(125,211,252,.10)),
    color-mix(in srgb, var(--panel) 92%, rgba(167,139,250,.06)));
}

/* subtle grid overlay */
.page-engineer .engineer-hero::before{
  content:"";
  position:absolute;
  inset:-1px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: .18;
  pointer-events:none;
}

.mono-line{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: .92rem;
  color: color-mix(in srgb, var(--muted) 85%, transparent);
  margin-bottom: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.mono-line .prompt{
  color: color-mix(in srgb, var(--accent) 60%, var(--text));
  margin-right: 8px;
}

.engineer-meta{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0 12px;
}
@media (max-width: 650px){
  .engineer-meta{ grid-template-columns: 1fr; }
}

.page-engineer .kpi{
  border: 1px solid color-mix(in srgb, var(--border) 80%, rgba(255,255,255,.10));
  border-radius: 12px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
}

.page-engineer .pill-list li{
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  background: color-mix(in srgb, var(--panel) 92%, rgba(125,211,252,.06));
}

/* ===== Hipster theme (playful, maker-y, “sticker” vibe) ===== */

.page-hipster .hipster-hero{
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--accent-2) 28%, var(--border));
  background: radial-gradient(circle at 20% 25%,
      color-mix(in srgb, var(--accent-2) 22%, transparent),
      transparent 55%),
    radial-gradient(circle at 70% 60%,
      color-mix(in srgb, var(--accent) 18%, transparent),
      transparent 60%),
    linear-gradient(135deg,
      color-mix(in srgb, var(--panel) 92%, rgba(255,255,255,.02)),
      color-mix(in srgb, var(--panel) 92%, rgba(255,255,255,.06)));
}

.sticker-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin: 0 0 12px;
}

.sticker{
  display:inline-flex;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 88%, rgba(255,255,255,.08));
  font-weight: 800;
  letter-spacing: .3px;
  text-transform: uppercase;
  font-size: .78rem;
  transform: rotate(-1.2deg);
}

.sticker:nth-child(2){ transform: rotate(1.1deg); }
.sticker:nth-child(3){ transform: rotate(-2.0deg); }
.sticker:nth-child(4){ transform: rotate(1.6deg); }

.page-hipster .pill-list li{
  border-color: color-mix(in srgb, var(--accent-2) 35%, var(--border));
  background: color-mix(in srgb, var(--panel) 90%, rgba(167,139,250,.10));
}

/* make collapsible groups look like “zine sections” */
.page-hipster details.card > summary{
  cursor: pointer;
  font-weight: 800;
  letter-spacing: .2px;
}
.page-hipster details.card{
  border-style: dashed;
}

/* ===== Expert theme (editorial, sober, evidence-forward) ===== */

.page-expert .expert-hero{
  border-color: color-mix(in srgb, var(--border) 85%, rgba(255,255,255,.10));
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--panel) 96%, transparent),
    color-mix(in srgb, var(--panel) 88%, transparent));
}

.byline{
  display:flex;
  align-items:center;
  gap:10px;
  color: var(--muted);
  font-size: .92rem;
  letter-spacing: .2px;
  margin: 0 0 10px;
}

.byline-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 55%, var(--text));
  opacity: .85;
}

.page-expert h1,
.page-expert h2,
.page-expert h3{
  letter-spacing: .2px;
}

.page-expert .pill-list li{
  border-color: color-mix(in srgb, var(--border) 80%, rgba(255,255,255,.10));
  background: color-mix(in srgb, var(--panel) 95%, transparent);
}

/* Make collapsible sections feel like “chapters” */
.page-expert details.card{
  border-radius: 12px;
}
.page-expert details.card > summary{
  cursor: pointer;
  font-weight: 750;
}


.product-imgwrap{
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  margin-bottom: 10px;
}

.product-img{
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.badge{
  display:inline-flex;
  align-items:center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 90%, rgba(255,255,255,.06));
  color: var(--text);
  font-size: .85rem;
  font-weight: 700;
}

.map{
  width: 100%;
  height: 320px;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}