/* ============================================================
   Agent Industries — site stylesheet
   Built on tokens.css (vendored from the canonical design system).
   Component classes below mirror that system's Button/Card/Tag/
   SectionLabel/NumberedStep/Node/Wordmark specs 1:1.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ai-bg);
  color: var(--ai-ink);
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: 1rem;
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-tight);
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }
a { color: var(--ai-green); text-decoration: none; }
a:hover { color: var(--ai-ink); }
:focus-visible { outline: var(--focus-outline); outline-offset: var(--focus-offset); }

.wrap { max-width: var(--content-max); margin-inline: auto; padding-inline: var(--page-gutter); }

.mono { font-family: var(--font-mono); }
.rule { height: var(--border-w); background: var(--ai-line); border: 0; }

/* ---------- section label (eyebrow) ---------- */
.section-label {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: var(--fs-label);
  text-transform: uppercase; letter-spacing: var(--ls-label);
  color: var(--ai-muted);
}
.section-label.on-dark { color: var(--text-on-dark-muted); }
.section-label.rule { border-bottom: var(--border-w) solid var(--ai-line-soft); padding-bottom: var(--space-4); }
.section-label .dot {
  width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none;
}
.section-label .idx { color: inherit; }

/* ---------- wordmark ---------- */
.wordmark { display: inline-flex; align-items: center; gap: 12px; }
.wordmark .mark {
  font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 1.25rem;
  letter-spacing: -0.01em; color: var(--ai-ink);
  display: inline-flex; align-items: center; gap: 0.28em; line-height: 1;
}
.wordmark .mark .dot { width: 0.32em; height: 0.32em; border-radius: 50%; background: var(--ai-green); display: inline-block; }
.wordmark .name { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ai-muted); letter-spacing: 0.01em; }
.wordmark.on-dark .mark { color: var(--text-on-dark); }
.wordmark.on-dark .name { color: var(--text-on-dark-muted); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(244, 243, 239, 0.82); backdrop-filter: blur(12px);
  border-bottom: var(--border-w) solid var(--ai-line-soft);
}
.nav .wrap { padding-block: 18px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--ls-tag);
  text-transform: uppercase; color: var(--ai-ink-soft);
}
.nav-links a:hover { color: var(--ai-ink); }
.nav-links a[aria-current="page"] { color: var(--ai-green); }
.nav-right { display: flex; align-items: center; gap: 22px; }

.nav-toggle {
  display: none; background: none; cursor: pointer;
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--ls-tag); text-transform: uppercase;
  color: var(--ai-ink); border: var(--border-w) solid var(--ai-line); border-radius: var(--radius-sm); padding: 9px 14px;
}
.mobile-nav { display: none; }
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 61px 0 auto 0; z-index: 19;
    background: var(--ai-bg); border-bottom: var(--border-w) solid var(--ai-line-soft);
    padding: 8px var(--page-gutter) 18px;
  }
  .mobile-nav a {
    font-family: var(--font-mono); font-size: 0.875rem; letter-spacing: var(--ls-tag); text-transform: uppercase;
    color: var(--ai-ink-soft); padding: 14px 0; border-bottom: var(--border-w) solid var(--ai-line-soft);
  }
  .mobile-nav a[aria-current="page"] { color: var(--ai-green); }
}

/* ---------- reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.7s var(--ease-standard), transform 0.7s var(--ease-standard); transition-delay: var(--d, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1 !important; transform: none !important; } }

/* ---------- hero ---------- */
.hero { padding: 96px 0 88px; }
.hero h1 { font-size: var(--fs-display-l); line-height: 0.98; }
.hero .lede {
  font-family: var(--font-display); font-weight: var(--fw-regular); font-size: var(--fs-body-l);
  color: var(--ai-ink-soft); max-width: 30ch; line-height: 1.35; margin-top: 24px;
}
.hero .hero-actions { display: flex; gap: 14px; margin-top: 40px; flex-wrap: wrap; }

/* ---------- page hero (subpages) ---------- */
.page-hero { padding: 64px 0 60px; }
.page-hero h1 { font-size: var(--fs-display-m); max-width: 16ch; }
.page-hero .lede { font-family: var(--font-display); font-size: var(--fs-body-l); color: var(--ai-ink-soft); max-width: 58ch; margin-top: 22px; line-height: 1.45; }

/* ---------- section scaffold ---------- */
section.block { padding-bottom: var(--pad-section); scroll-margin-top: 84px; }
section.block:last-of-type { padding-bottom: var(--space-24); }
@media (max-width: 720px) { section.block { padding-bottom: var(--space-16); } }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.section-head .right a { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-muted); }
.section-head .right a:hover { color: var(--ai-green); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-weight: var(--fw-regular); text-transform: uppercase; letter-spacing: var(--ls-tag);
  line-height: 1; border-radius: var(--radius-pill); white-space: nowrap; cursor: pointer;
  transition: opacity var(--dur-base) var(--ease-standard), background var(--dur-base) var(--ease-standard);
}
.btn:hover { opacity: 0.82; }
.btn-sm { padding: 8px 16px; font-size: var(--fs-label-s); }
.btn-md { padding: 13px 22px; font-size: 0.75rem; }
.btn-lg { padding: 16px 28px; font-size: var(--fs-label); }
.btn-primary { background: var(--ai-ink); color: var(--text-on-dark); border: var(--border-w) solid var(--ai-ink); }
.btn-secondary { background: var(--ai-surface); color: var(--ai-ink); border: var(--border-w) solid var(--ai-line); }
.btn-ghost { background: transparent; color: var(--ai-ink); border: var(--border-w) solid transparent; }
.btn-ghost.on-dark { color: var(--text-on-dark); }
.btn-accent { background: var(--ai-green); color: #ffffff; border: var(--border-w) solid var(--ai-green); }

/* ---------- tags / chips ---------- */
.tag {
  display: inline-flex; align-items: center; font-family: var(--font-mono); letter-spacing: var(--ls-tag);
  line-height: 1; border-radius: var(--radius-pill); white-space: nowrap;
  padding: 9px 18px; font-size: var(--fs-tag);
  background: var(--ai-surface); color: var(--ai-ink); border: var(--border-w) solid var(--ai-line);
}
.tag-sm { padding: 6px 12px; font-size: 0.75rem; }
.tag-accent { background: transparent; color: var(--ai-green); border-color: rgba(47, 107, 79, 0.4); }
.tag-on-dark { background: transparent; color: var(--ai-slate-ink); border-color: var(--ai-line-dark); }

.tag-row { margin-bottom: var(--space-10); }
.tag-row .section-label { margin-bottom: var(--space-5); }
.tag-list { display: flex; gap: var(--gap-inline); flex-wrap: wrap; }

/* ---------- cards ---------- */
.card { background: var(--ai-surface); color: var(--ai-ink); border: var(--border-w) solid var(--ai-line); border-radius: var(--radius-md); padding: var(--pad-card); }
.card-plain { background: var(--ai-bg-2); border-color: var(--ai-line-soft); }
.card-dark { background: var(--ai-ink); color: var(--text-on-dark); border-color: var(--ai-ink); border-radius: var(--radius-lg); }
.card-slate { background: var(--ai-slate); color: var(--ai-slate-ink); border-color: var(--ai-slate); }
.card-lg { padding: var(--pad-card-lg); }
.card-eyebrow { font-family: var(--font-mono); font-size: var(--fs-label-s); text-transform: uppercase; letter-spacing: var(--ls-label); color: var(--ai-muted); margin-bottom: var(--space-4); }
.card-dark .card-eyebrow { color: var(--text-on-dark-muted); }
.card-slate .card-eyebrow { color: rgba(221, 227, 234, 0.6); }

/* ---------- diagram node markers ---------- */
.node { width: 12px; height: 12px; display: inline-block; flex: none; background: var(--ai-green); --shape-rotate: 0deg; }
.node-circle { border-radius: 50%; }
.node-square { border-radius: 0; }
.node-diamond { --shape-rotate: 45deg; transform: rotate(var(--shape-rotate)); }
.node-triangle { width: 0; height: 0; background: transparent; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 12px solid var(--ai-green); }

/* ---------- formula (equation-style cards: A + B = C) ---------- */
.formula { margin: 60px auto 0; max-width: 980px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: var(--space-5); align-items: stretch; }
.formula.formula-4 { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; max-width: 1160px; }
.formula .card { display: flex; flex-direction: column; gap: 8px; min-height: 148px; }
.formula .f-title { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.5rem; letter-spacing: -0.01em; }
.formula .f-desc { font-size: var(--fs-body-s); color: var(--ai-muted); line-height: 1.5; }
.formula .card-dark .f-desc { color: var(--text-on-dark-muted); }
.formula .op { display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 1.5rem; color: var(--ai-muted); width: 48px; flex: none; }
@media (max-width: 860px) {
  .formula, .formula.formula-4 { grid-template-columns: 1fr; max-width: 460px; }
  .formula .op { width: auto; padding: 2px 0; }
}
.formula-caption { font-family: var(--font-display); font-size: 1.125rem; color: var(--ai-ink-soft); text-align: center; max-width: 52ch; margin: 30px auto 0; line-height: 1.45; }

/* ---------- wellspring diagram: Core tier + Vertical tier ---------- */
.wellspring-diagram { width: min(920px, 100%); margin: 44px auto 0; display: flex; flex-direction: column; }
.tier { display: flex; gap: 16px; align-items: stretch; }
.tier-tab {
  flex: none; width: 88px; display: flex; align-items: center; justify-content: center; text-align: center;
  font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--ai-muted); background: var(--ai-bg-2); border: var(--border-w) solid var(--ai-line-soft); border-radius: var(--radius-md);
}
.tier-body { flex: 1; min-width: 0; }

.core-panel { background: var(--ai-ink); border-radius: var(--radius-xl); padding: 26px 28px; }
.core-heading { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.core-heading .core-name { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 1.6rem; letter-spacing: -0.01em; color: var(--ai-green-lite); }
.core-heading .core-sub { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-heading); color: var(--text-on-dark-muted); }
.core-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 18px; }
.core-group-label { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: rgba(221, 227, 234, 0.6); margin-bottom: 10px; }
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }

.tier-connector { width: var(--border-w); height: 28px; background: var(--ai-line); position: relative; margin: 0 auto; left: 44px; }
.tier-connector .node { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }

.vertical-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.vertical-card { display: flex; flex-direction: column; gap: 4px; }
.vertical-card .v-name { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.125rem; letter-spacing: -0.01em; }
.vertical-card .v-sub { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--ai-muted); line-height: 1.4; margin-bottom: 10px; }
.vertical-card .v-specialists-label { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-green); margin-bottom: 8px; }
.vertical-card .v-desc { font-size: 0.875rem; color: var(--ai-muted); line-height: 1.55; }
.business-card { max-width: 640px; }

@media (max-width: 860px) {
  .vertical-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .tier { flex-direction: column; }
  .tier-tab { width: auto; align-self: flex-start; padding: 6px 14px; }
  .tier-connector { left: 0; }
  .core-groups { grid-template-columns: 1fr; }
}

/* ---------- foundation strip (trust layer, shown under the diagram) ---------- */
.arch-foundation { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 32px; }
.arch-foundation span {
  background: var(--ai-bg-2); border: var(--border-w) solid var(--ai-line-soft); border-radius: var(--radius-md);
  padding: 16px 12px; min-height: 52px; text-align: center;
  font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 0.875rem; color: var(--ai-ink-soft);
  display: flex; align-items: center; justify-content: center;
}
.arch-foot { text-align: center; font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-muted); margin-top: 16px; }
@media (max-width: 660px) {
  .arch-foundation { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- team bio cards ---------- */
.bio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: 40px; }
@media (max-width: 900px) { .bio-grid { grid-template-columns: 1fr; } }
.bio-card { display: flex; flex-direction: column; gap: 4px; }
.bio-card .bio-name { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.25rem; color: var(--ai-ink); }
.bio-card .bio-role { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-green); margin: 6px 0 14px; }
.bio-card .bio-desc { color: var(--ai-muted); font-size: 0.875rem; line-height: 1.55; flex: 1; }
.bio-card .bio-cred { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ai-muted); padding-top: 14px; margin-top: 14px; border-top: var(--border-w) solid var(--ai-line-soft); }
.bio-logos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.bio-logos img {
  width: 22px; height: 22px; object-fit: contain; border-radius: var(--radius-xs);
  background: var(--ai-surface); border: var(--border-w) solid var(--ai-line-soft); padding: 3px;
}

/* ---------- sector cards ---------- */
.sector-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-5); margin-top: 40px; }
.sector-card { display: flex; flex-direction: column; gap: 12px; min-height: 210px; }
.sector-card .node { width: 20px; height: 20px; }
.sector-card .node-triangle { border-left-width: 10px; border-right-width: 10px; border-bottom-width: 20px; }
.sector-card .sector-name { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.25rem; letter-spacing: -0.01em; color: var(--ai-ink); }
.sector-card .sector-desc { color: var(--ai-muted); font-size: 0.9375rem; line-height: 1.5; flex: 1; }
.sector-card .sector-link { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-ink-soft); }
.sector-card:hover .sector-link { color: var(--ai-green); }

/* ---------- numbered step list ---------- */
.step-list { display: flex; flex-direction: column; gap: var(--space-8); margin-top: 40px; }
.numbered-step { display: flex; gap: var(--space-5); align-items: flex-start; }
.numbered-step .step-idx { font-family: var(--font-mono); font-size: 1.5rem; line-height: 1; color: var(--ai-green); flex: none; min-width: 2ch; }
.numbered-step .step-title { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: var(--fs-h4); letter-spacing: var(--ls-heading); color: var(--ai-ink); margin-bottom: var(--space-2); }
.numbered-step .step-desc { font-family: var(--font-body); font-size: var(--fs-body-s); line-height: var(--lh-normal); color: var(--ai-muted); max-width: 62ch; }

/* ---------- data table (market sizing) ---------- */
.data-table-wrap { overflow-x: auto; margin-top: 36px; border: var(--border-w) solid var(--ai-line); border-radius: var(--radius-md); }
table.data-table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 0.9375rem; }
table.data-table th, table.data-table td { padding: 14px 20px; text-align: right; border-bottom: var(--border-w) solid var(--ai-line-soft); white-space: nowrap; }
table.data-table th:first-child, table.data-table td:first-child { text-align: left; white-space: normal; }
table.data-table thead th { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ai-muted); background: var(--ai-bg-2); font-weight: var(--fw-regular); }
table.data-table tbody td:not(:first-child) { font-family: var(--font-mono); font-size: 0.875rem; }
table.data-table tr:last-child td { border-bottom: 0; }
table.data-table tr.total td { font-weight: var(--fw-bold); background: color-mix(in srgb, var(--ai-green) 12%, var(--ai-surface)); }
table.data-table tr.total td:not(:first-child) { color: var(--ai-green); }
.table-caption { font-family: var(--font-mono); font-size: var(--fs-label-s); color: var(--ai-muted); margin-top: 14px; line-height: 1.6; }

/* ---------- stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: 40px; }
@media (max-width: 780px) { .stat-strip { grid-template-columns: 1fr; } }
.stat-item { border-top: 2px solid var(--ai-ink); padding-top: var(--space-4); }
.stat-num { font-family: var(--font-display); font-size: var(--fs-display-m); font-weight: var(--fw-bold); letter-spacing: var(--ls-display); color: var(--ai-green); }
.stat-label { font-size: 0.9375rem; color: var(--ai-muted); line-height: 1.45; margin-top: 8px; max-width: 34ch; }

/* ---------- contact block (dark CTA panel, used sitewide) ---------- */
.contact-bar { background: var(--ai-ink); border-radius: var(--radius-xl); padding: 56px 52px; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; margin: 16px 0 48px; }
.contact-bar .clabel { font-family: var(--font-mono); font-size: var(--fs-label-s); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-on-dark-muted); }
.contact-bar h2 { color: var(--text-on-dark); font-size: var(--fs-display-m); flex: 1; min-width: 260px; margin-top: 12px; }
.contact-bar .cta-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* standalone contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 900px; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { display: flex; flex-direction: column; gap: 20px; }
.contact-card .btn { justify-content: center; }
.contact-note { font-size: 0.9375rem; color: var(--ai-muted); line-height: 1.6; }

/* ---------- footer ---------- */
footer { padding: 56px 0 70px; border-top: var(--border-w) solid var(--ai-line); }
footer .wrap { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; }
footer .footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer .footer-nav a { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: var(--ls-tag); text-transform: uppercase; color: var(--ai-ink-soft); }
footer .footer-nav a:hover { color: var(--ai-green); }
footer .fmeta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ai-muted); line-height: 1.9; text-align: right; }
@media (max-width: 640px) { footer .fmeta { text-align: left; } }