:root {
  --bg:          #f8fafc;
  --surface:     #ffffff;
  --surface-2:   #f1f5f9;
  --border:      #e2e8f0;
  --border-2:    #cbd5e1;
  --text:        #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;
  --blue:        #2563eb;
  --blue-dim:    #1d4ed8;
  --blue-glow:   rgba(37,99,235,.08);
  --blue-border: rgba(37,99,235,.25);
  --green:       #059669;
  --green-dim:   rgba(5,150,105,.09);
  --green-border:rgba(5,150,105,.3);
  --amber:       #b45309;
  --amber-dim:   rgba(180,83,9,.08);
  --amber-border:rgba(180,83,9,.3);
  --red:         #dc2626;
  --shadow-sm:   0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow:      0 4px 16px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);
  --shadow-lg:   0 12px 32px rgba(15,23,42,.1), 0 4px 8px rgba(15,23,42,.04);
  --radius:      10px;
  --radius-lg:   14px;
  --mono:        'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ─────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(15,23,42,.05);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: .95rem;
  font-family: var(--mono);
  color: var(--text);
  letter-spacing: .05em;
  font-weight: 600;
}
.nav-brand span { color: var(--blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  font-size: .9rem;
  color: var(--text-2);
  font-weight: 500;
  transition: color .18s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── Layout helpers ──────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  scroll-margin-top: 60px;
}

.section-label {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--blue);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.75rem); font-weight: 800; line-height: 1.12; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem);  font-weight: 700; line-height: 1.2;  letter-spacing: -.01em; }
h3 { font-size: 1.2rem;  font-weight: 600; }
h4 { font-size: 1rem;    font-weight: 600; }

.text-2 { color: var(--text-2); }
.mono    { font-family: var(--mono); }

/* ── Hero ────────────────────────────────────────────────────────── */
#hero {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

/* Subtle dot-grid texture */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #cbd5e1 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .45;
  pointer-events: none;
}

/* Blue radial glow in top-right */
#hero::after {
  content: '';
  position: absolute;
  top: -15%;
  right: -8%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,.1) 0%, transparent 65%);
  pointer-events: none;
}

#hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--blue);
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  border-radius: 100px;
  padding: .4rem 1rem;
  margin-bottom: 1.75rem;
  letter-spacing: .06em;
  font-weight: 600;
}

.hero-eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 2.2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1;  transform: scale(1); }
  50%       { opacity: .4; transform: scale(.85); }
}

.hero-title { margin-bottom: 1.5rem; }

/* Gradient accent on hero headline */
.hero-title .accent {
  background: linear-gradient(135deg, var(--blue) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 2.75rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.6rem;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
  text-decoration: none !important;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,.25);
}
.btn-primary:hover { background: var(--blue-dim); box-shadow: 0 4px 14px rgba(37,99,235,.35); transform: translateY(-1px); }

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--border-2);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-glow); transform: translateY(-1px); }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat-item { display: flex; flex-direction: column; gap: .25rem; }

.stat-value {
  font-size: 1.65rem;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--text);
  letter-spacing: -.01em;
}
.stat-label { font-size: .82rem; color: var(--text-3); letter-spacing: .03em; }

/* ── Philosophy ──────────────────────────────────────────────────── */
#philosophy { background: var(--surface-2); }

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.phil-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  box-shadow: var(--shadow-sm);
}
.phil-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.phil-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.phil-card.blue::before  { background: linear-gradient(90deg, var(--blue), #7c3aed); }
.phil-card.green::before { background: linear-gradient(90deg, var(--green), #0d9488); }
.phil-card.amber::before { background: linear-gradient(90deg, var(--amber), #d97706); }

.phil-icon { font-size: 1.6rem; margin-bottom: 1rem; }

.phil-card h3 { margin-bottom: .7rem; font-size: 1.15rem; }
.phil-card p  { font-size: .95rem; color: var(--text-2); line-height: 1.7; }

.phil-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 1.25rem;
}

/* ── Tags — single consistent style everywhere ───────────────────── */
.tag {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 500;
  padding: .28rem .7rem;
  border-radius: 6px;
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text-2);
  white-space: nowrap;
}
/* Coloured variants only in the philosophy section */
.phil-tags .tag.blue  { color: var(--blue);  border-color: var(--blue-border);  background: var(--blue-glow); }
.phil-tags .tag.green { color: var(--green); border-color: var(--green-border); background: var(--green-dim); }
.phil-tags .tag.amber { color: var(--amber); border-color: var(--amber-border); background: var(--amber-dim); }

/* ── Featured: Modernization Journey ─────────────────────────────── */
#modernization { padding: 6rem 0; background: var(--surface); }

.feature-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.feature-header h2 { margin-bottom: .5rem; }

.repo-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  padding: .45rem 1rem;
  border-radius: 8px;
  white-space: nowrap;
  transition: all .18s;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.repo-link:hover { color: var(--blue); border-color: var(--blue-border); background: var(--blue-glow); text-decoration: none; }

/* Persona pipeline */
.persona-pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.persona-card {
  background: var(--surface);
  padding: 1.4rem 1rem;
  text-align: center;
  position: relative;
  transition: background .18s;
}
.persona-card:hover { background: var(--surface-2); }

.persona-num {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--text-3);
  letter-spacing: .1em;
  margin-bottom: .5rem;
}

.persona-icon {
  font-size: 1.5rem;
  margin-bottom: .5rem;
  display: block;
}

.persona-name {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
}

.persona-type {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 600;
  padding: .18rem .5rem;
  border-radius: 4px;
}
.persona-type.human  { color: var(--blue);   background: var(--blue-glow);  border: 1px solid var(--blue-border); }
.persona-type.llm    { color: var(--green);  background: var(--green-dim);  border: 1px solid var(--green-border); }
.persona-type.script { color: var(--text-3); background: var(--surface-2);  border: 1px solid var(--border); }
.persona-type.audit  { color: var(--amber);  background: var(--amber-dim);  border: 1px solid var(--amber-border); }

/* SLA pipeline */
.sla-pipeline {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.sla-pipeline h4 {
  color: var(--text-2);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1.25rem;
  font-family: var(--mono);
}

.pipeline-flow {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.pipeline-node {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.node-label {
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border-2);
  padding: .4rem .8rem;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.node-label.human  { border-color: var(--blue-border);  color: var(--blue); }
.node-label.script { border-color: var(--border-2); }
.node-label.output { border-color: var(--green-border); color: var(--green); }

.node-sublabel {
  font-size: .68rem;
  color: var(--text-3);
  text-align: center;
}

.pipeline-arrow {
  color: var(--text-3);
  font-size: 1rem;
  flex-shrink: 0;
}

/* Repo metrics */
.repo-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .18s;
}
.metric-card:hover { box-shadow: var(--shadow); }

.metric-value {
  font-family: var(--mono);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text);
  display: block;
  letter-spacing: -.02em;
}
.metric-label {
  font-size: .78rem;
  color: var(--text-3);
  margin-top: .25rem;
}

/* Validation badge */
.validation-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 600;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green-border);
  padding: .5rem 1.1rem;
  border-radius: 8px;
}

.validation-badge::before {
  content: '✓';
  font-weight: 700;
}

/* ── Portfolio Grid ───────────────────────────────────────────────── */
#portfolio { background: var(--surface-2); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow .2s, transform .2s, border-color .2s;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.portfolio-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--border-2);
}

.portfolio-card.featured {
  border-color: var(--blue-border);
  background: linear-gradient(160deg, var(--surface) 60%, rgba(37,99,235,.04) 100%);
}
.portfolio-card.featured:hover {
  border-color: rgba(37,99,235,.5);
  box-shadow: 0 8px 24px rgba(37,99,235,.12), var(--shadow);
}

/* Coming soon cards are visually subdued */
.portfolio-card.coming {
  opacity: .75;
}
.portfolio-card.coming:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: var(--border);
  opacity: .9;
}

.card-status {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: .22rem .6rem;
  border-radius: 5px;
  text-transform: uppercase;
}
.card-status.live { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-border); }
.card-status.soon { background: var(--surface-2); color: var(--text-3); border: 1px solid var(--border-2); }

.card-icon { font-size: 1.6rem; }

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  padding-right: 3.75rem;
  line-height: 1.35;
  color: var(--text);
}

.card-desc {
  font-size: .93rem;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

/* Live card links — button-style */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--blue);
  padding: .48rem 1rem;
  border: 1.5px solid var(--blue-border);
  border-radius: 8px;
  background: var(--blue-glow);
  transition: all .18s;
  text-decoration: none !important;
  align-self: flex-start;
}
.card-link:hover {
  background: rgba(37,99,235,.13);
  border-color: var(--blue);
  transform: translateY(-1px);
}

/* Secondary link — GitHub / repo link */
.card-link-secondary {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: .48rem 1rem;
  border: 1.5px solid var(--border-2);
  border-radius: 8px;
  background: var(--surface-2);
  transition: all .18s;
  text-decoration: none !important;
  align-self: flex-start;
}
.card-link-secondary:hover {
  color: var(--text);
  border-color: var(--border-2);
  background: var(--surface-2);
  transform: translateY(-1px);
}

/* Coming soon placeholder link — same shape, not interactive */
.card-coming-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-3);
  padding: .48rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  cursor: default;
  align-self: flex-start;
  user-select: none;
}

/* Link row wrapper for cards with multiple links */
.card-links {
  display: flex;
  gap: .65rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: .25rem;
}

/* ── Focus Areas ─────────────────────────────────────────────────── */
#focus { padding: 6rem 0; background: var(--surface); }

.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.1rem;
  margin-top: 3rem;
}

.focus-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: box-shadow .18s, transform .18s;
}
.focus-item:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }

.focus-icon { font-size: 1.35rem; flex-shrink: 0; margin-top: .1rem; }

.focus-title {
  font-size: .98rem;
  font-weight: 600;
  margin-bottom: .3rem;
  color: var(--text);
}

.focus-desc {
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── Footer ──────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.75rem 0;
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--mono);
  font-size: .88rem;
  color: var(--text-3);
  font-weight: 600;
}
.footer-brand span { color: var(--blue); }

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}
.footer-links a {
  font-size: .85rem;
  color: var(--text-3);
  font-weight: 500;
  transition: color .18s;
}
.footer-links a:hover { color: var(--text); text-decoration: none; }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  section { padding: 4rem 0; }
  .hero-stats { gap: 1.75rem; }
  .feature-header { flex-direction: column; }
  .pipeline-flow { gap: .4rem; }
  .pipeline-arrow { display: none; }
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ── Purple theme (AI Dev Model accent) ──────────────────────────── */
:root {
  --purple:        #7c3aed;
  --purple-dim:    rgba(124,58,237,.08);
  --purple-border: rgba(124,58,237,.25);
}

.phil-card.purple::before { background: linear-gradient(90deg, #7c3aed, var(--blue)); }
.phil-tags .tag.purple { color: var(--purple); border-color: var(--purple-border); background: var(--purple-dim); }

/* ── AI Dev Model section ────────────────────────────────────────── */
#ai-dev-model { background: var(--surface); padding: 6rem 0; }

.adm-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}
.adm-header h2 { margin-bottom: .5rem; }
.adm-sub { font-size: 1.05rem; color: var(--text-2); max-width: 560px; margin-top: .6rem; line-height: 1.7; }

.adm-links {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: flex-start;
  flex-shrink: 0;
  padding-top: .25rem;
}

.adm-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.adm-pillar {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  box-shadow: var(--shadow-sm);
}
.adm-pillar:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.adm-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7c3aed, var(--blue));
}

.pillar-bg-num {
  font-family: var(--mono);
  font-size: 4rem;
  font-weight: 900;
  color: var(--purple);
  opacity: .07;
  position: absolute;
  top: .5rem;
  right: 1rem;
  line-height: 1;
  pointer-events: none;
}

.adm-pillar h3 { margin-bottom: .7rem; font-size: 1.1rem; }
.adm-pillar p  { font-size: .93rem; color: var(--text-2); line-height: 1.7; }

/* ── Featured carousel ───────────────────────────────────────────── */
#featured { background: var(--surface-2); padding: 6rem 0; }

.carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 3rem;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
  flex: 1;
  box-shadow: var(--shadow-lg);
}

.carousel-track {
  display: flex;
  transition: transform .42s cubic-bezier(.4,0,.2,1);
}

.carousel-slide {
  min-width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-sizing: border-box;
}

.slide-eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.1rem;
}
.slide-eyebrow.purple { color: var(--purple); }

.slide-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.slide-icon { font-size: 2.25rem; flex-shrink: 0; line-height: 1; }

.slide-title {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--text);
  margin: 0;
}

.slide-desc {
  font-size: .97rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 2rem;
}

.slide-metrics {
  display: flex;
  gap: 3rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  padding: 1.5rem;
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.slide-metric { display: flex; flex-direction: column; gap: .15rem; }
.slide-metric-value {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.01em;
}
.slide-metric-label { font-size: .76rem; color: var(--text-3); }

.slide-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 2rem;
}

.slide-links {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
}

.carousel-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--border-2);
  color: var(--text-2);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all .18s;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  user-select: none;
}
.carousel-arrow:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-glow); }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: .6rem;
  margin-top: 1.75rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-2);
  cursor: pointer;
  transition: background .2s, transform .2s;
  border: none;
  padding: 0;
  display: block;
}
.carousel-dot.active { background: var(--blue); transform: scale(1.3); }

/* ── AI Dev Model diagrams ───────────────────────────────────────── */
.adm-diagram {
  margin: 0 0 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.adm-diagram img {
  width: 100%;
  display: block;
  object-fit: contain;
}

.adm-cycle-label {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--purple);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: .75rem;
}

@media (max-width: 768px) {
  .carousel-slide { padding: 2rem 1.5rem; }
  .slide-title { font-size: 1.25rem; }
  .carousel-arrow { display: none; }
  .slide-metrics { gap: 1.5rem; padding: 1.25rem; }
  .adm-header { flex-direction: column; }
}