/* ============================================================
   iAgent marketing site — section-level layout + sectional chrome
   Only patterns that aren't already in base.css / workbench.css live here.
   ============================================================ */

/* ---------- shell ---------- */
.mkt-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.mkt-section {
  padding: 96px 0;
  position: relative;
}
.mkt-section.tight   { padding: 56px 0; }
.mkt-section.compact { padding: 72px 0; }
.mkt-section + .mkt-section { border-top: 1px solid var(--line-subtle); }
.mkt-section.dark + .mkt-section,
.mkt-section + .mkt-section.dark { border-top: 0; }

/* dark/navy sections */
.mkt-section.dark {
  background: var(--slate-950);
  color: #e6ecf5;
}
.mkt-section.dark .fd-h1,
.mkt-section.dark .fd-h2,
.mkt-section.dark .fd-h3,
.mkt-section.dark .fd-display { color: #fff; }
.mkt-section.dark .fd-lede,
.mkt-section.dark .fd-body { color: #aab4c6; }
.mkt-section.dark .fd-caption,
.mkt-section.dark .fd-eyebrow { color: #7c8699; }
.mkt-section.dark .mkt-divline { background: rgba(255,255,255,0.08); }

/* ---------- topbar ---------- */
.mkt-topbar {
  position: sticky; top: 0; z-index: 50;
  height: 56px;
  display: flex; align-items: center;
  background: color-mix(in oklab, var(--bg-canvas) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line-subtle);
}
.mkt-topbar .mkt-wrap {
  display: flex; align-items: center; gap: 32px;
  width: 100%;
}
.mkt-topnav {
  display: flex; align-items: center; gap: 28px;
  flex: 1;
  font: var(--type-ui);
}
.mkt-topnav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--d-fast) var(--ease-std);
}
.mkt-topnav a:hover { color: var(--text-primary); }
.mkt-topnav .sep { color: var(--text-disabled); font-family: var(--font-mono); }
.mkt-topright { display: flex; align-items: center; gap: 12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 16px;
  border-radius: var(--r-md);
  font: var(--type-ui);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--d-fast) var(--ease-std),
              border-color var(--d-fast) var(--ease-std),
              color var(--d-fast) var(--ease-std);
  text-decoration: none;
  white-space: nowrap;
}
.btn.sm { height: 30px; padding: 0 12px; font-size: var(--t-md); }
.btn.lg { height: 44px; padding: 0 22px; font-size: var(--t-base); }
.btn-primary {
  background: var(--brand-500); color: #fff;
}
.btn-primary:hover { background: var(--brand-600); }
.btn-secondary {
  background: var(--bg-canvas); color: var(--text-primary);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--line-strong); }
.btn-ghost {
  background: transparent; color: var(--text-primary);
}
.btn-ghost:hover { background: var(--bg-hover); }
.btn-onnavy {
  background: rgba(255,255,255,0.08); color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-onnavy:hover { background: rgba(255,255,255,0.14); }
.btn .arrow { font-family: var(--font-mono); font-weight: 400; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-canvas);
  white-space: nowrap;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-500); }
.hero h1 {
  font: 650 56px / 1.06 var(--font-sans);
  letter-spacing: -0.022em;
  margin: 20px 0 0;
  color: var(--text-primary);
}
.hero h1 .cn {
  display: block;
  font-size: 30px; line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  margin-top: 14px;
}
.hero .lede {
  font: 400 18px / 28px var(--font-sans);
  color: var(--text-secondary);
  margin: 24px 0 0;
  max-width: 520px;
}
.hero-ctas { display: flex; gap: 12px; margin-top: 28px; }
.hero-meta {
  display: flex; gap: 24px; margin-top: 32px;
  font: var(--type-caption); color: var(--text-tertiary);
  flex-wrap: wrap;
}
.hero-meta .item { display: flex; align-items: center; gap: 8px; }
.hero-meta .item .glyph {
  width: 14px; height: 14px; border-radius: 3px;
  background: color-mix(in oklab, var(--brand-500) 14%, transparent);
  display: grid; place-items: center;
  color: var(--brand-600); font-family: var(--font-mono); font-size: 9px; font-weight: 600;
}

/* ---------- hero mock (right side) ---------- */
.hero-mock {
  position: relative;
  background: var(--bg-canvas);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-mock .mock-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-subtle);
  background: var(--bg-sunken);
}
.hero-mock .mock-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--slate-300);
}
.hero-mock .mock-url {
  flex: 1;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
}
.hero-mock .mock-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }

/* compact thread for hero */
.thread { display: flex; flex-direction: column; gap: 10px; }
.thread .bubble { max-width: 360px; font-size: var(--t-md); padding: 8px 12px; }

/* compact voucher inside hero */
.hero-mock .voucher { border-radius: var(--r-md); }
.hero-mock .voucher table { font-size: 11px; }
.hero-mock .voucher td, .hero-mock .voucher th { padding: 6px 12px; }
.hero-mock .voucher .v-head, .hero-mock .voucher .v-foot { padding: 8px 12px; font-size: 10px; }
.voucher .v-head .meta > span { white-space: nowrap; }
.voucher .v-head .stamp { white-space: nowrap; flex-shrink: 0; }
.voucher .v-foot .conf { white-space: nowrap; }
.hero-mock .voucher .v-head .meta { gap: 12px; }

/* ---------- floating cards behind hero ---------- */
.hero-mock::before, .hero-mock::after {
  content: ""; position: absolute; z-index: -1;
  border-radius: 14px; border: 1px solid var(--line);
  background: var(--bg-canvas);
}
.hero-mock::before { inset: -14px -14px auto auto; width: 72%; height: 64px; box-shadow: var(--shadow-sm); }
.hero-mock::after  { inset: auto auto -14px -14px; width: 56%; height: 48px; box-shadow: var(--shadow-sm); }

/* ---------- trust strip ---------- */
.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust .tcell {
  padding: 20px 24px;
  border-left: 1px solid var(--line-subtle);
}
.trust .tcell:first-child { border-left: 0; padding-left: 0; }
.trust .tlab { font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow); text-transform: uppercase; color: var(--text-tertiary); }
.trust .tval { font: 600 var(--t-lg) / var(--lh-lg) var(--font-sans); color: var(--text-primary); margin-top: 6px; }
.trust .tsub { font: var(--type-caption); color: var(--text-tertiary); margin-top: 2px; }

/* ---------- section heads ---------- */
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head .fd-eyebrow { margin-bottom: 14px; }
.section-head h2 {
  font: 650 var(--t-3xl) / 1.15 var(--font-sans);
  letter-spacing: -0.018em;
  margin: 0 0 14px;
}
.section-head .fd-lede { max-width: 680px; }

/* ---------- 3-up belief grid ---------- */
.belief-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.belief {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-canvas);
}
.belief .b-num {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; color: var(--brand-600);
  font-weight: 600;
}
.belief h3 {
  font: 650 var(--t-xl) / 1.25 var(--font-sans);
  letter-spacing: -0.012em;
  margin: 16px 0 8px;
  color: var(--text-primary);
}
.belief p {
  font: var(--type-body);
  color: var(--text-secondary);
  margin: 0;
}
.belief .b-foot {
  display: flex; align-items: center; gap: 8px;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px dashed var(--line);
  font: var(--type-caption); color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* ---------- fleet grid ---------- */
.fleet-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.agent-card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-canvas);
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color var(--d-base) var(--ease-out),
              box-shadow var(--d-base) var(--ease-out);
}
.agent-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.agent-card[data-status="hired"] {
  border-color: color-mix(in oklab, var(--brand-500) 30%, var(--line));
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--brand-500) 5%, var(--bg-canvas)) 0%,
    var(--bg-canvas) 70%);
}
.agent-card .ac-head { display: flex; align-items: flex-start; gap: 14px; }
.agent-card .ac-name { font: 650 var(--t-lg) / 1.2 var(--font-sans); letter-spacing: -0.012em; margin: 0; }
.agent-card .ac-role { font-size: var(--t-sm); color: var(--text-tertiary); margin-top: 2px; white-space: nowrap; }
.agent-card .ac-desc { font-size: var(--t-md); color: var(--text-secondary); line-height: 1.5; }
.agent-card .ac-foot {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--line-subtle); padding-top: 12px;
}
.agent-card .ac-price {
  font-family: var(--font-num); font-variant-numeric: tabular-nums;
  font-size: var(--t-md); color: var(--text-secondary);
  white-space: nowrap;
}
.agent-card .ac-foot > .pill { white-space: nowrap; flex-shrink: 0; }
.agent-card .ac-level {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.05em; font-weight: 600;
  padding: 1px 6px; border-radius: 3px;
  background: var(--bg-sunken); color: var(--text-secondary);
  border: 1px solid var(--line-subtle);
  flex-shrink: 0;
}
.agent-card .ac-head > div { min-width: 0; }

/* ---------- larry block (two-col split) ---------- */
.larry-split {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px;
  align-items: start;
}
.larry-split blockquote {
  margin: 24px 0 0;
  padding: 20px 24px;
  border-left: 2px solid var(--brand-500);
  background: color-mix(in oklab, var(--brand-500) 4%, var(--bg-canvas));
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font: 500 var(--t-lg) / 28px var(--font-sans);
  color: var(--text-primary);
}
.larry-split blockquote .src {
  display: block;
  margin-top: 10px;
  font: var(--type-caption);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* ---------- response contract diagram ---------- */
.lanes {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.lane {
  padding: 22px;
  border-radius: var(--r-lg);
  background: var(--bg-canvas);
  border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px;
}
.lane .lane-tag {
  font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase; color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.lane h4 {
  font: 600 var(--t-lg) / 1.25 var(--font-sans);
  margin: 0; letter-spacing: -0.01em;
}
.lane p {
  font-size: var(--t-md); line-height: 20px;
  color: var(--text-secondary);
  margin: 0;
}
.lane .lane-r {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font: var(--type-caption);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.lane[data-lane="prose"]  .lane-tag { color: var(--brand-600); }
.lane[data-lane="object"] .lane-tag { color: var(--debit-500); }
.lane[data-lane="action"] .lane-tag { color: var(--warning-700); }
.lane[data-lane="system"] .lane-tag { color: var(--text-tertiary); }

/* ---------- memory architecture ---------- */
.memory {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-canvas);
}
.mem-layer { padding: 28px; border-right: 1px solid var(--line-subtle); }
.mem-layer:last-child { border-right: 0; }
.mem-layer .mlab {
  font: var(--type-eyebrow);
  letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.mem-layer h4 {
  font: 650 var(--t-xl) / 1.2 var(--font-sans);
  letter-spacing: -0.014em;
  margin: 10px 0 8px;
}
.mem-layer p { font: var(--type-body); color: var(--text-secondary); margin: 0 0 16px; }
.mem-layer ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.mem-layer li {
  font: var(--type-mono); font-size: 11px;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.mem-layer li::before {
  content: "·"; position: absolute; left: 4px;
  color: var(--brand-500); font-weight: 700;
}

/* ---------- roadmap ---------- */
.roadmap {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.roadmap::before {
  content: ""; position: absolute;
  top: 31px; left: 0; right: 0; height: 1px;
  background: var(--line);
}
.rm-step {
  padding: 0 16px;
  position: relative;
}
.rm-step:first-child { padding-left: 0; }
.rm-step:last-child  { padding-right: 0; }
.rm-step .rm-marker {
  width: 22px; height: 22px; border-radius: var(--r-sm);
  background: var(--bg-canvas);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--text-tertiary);
  position: relative; z-index: 2;
  margin-bottom: 24px;
}
.rm-step.live .rm-marker {
  background: var(--brand-500); color: #fff; border-color: var(--brand-500);
}
.rm-step.next .rm-marker {
  background: color-mix(in oklab, var(--brand-500) 14%, var(--bg-canvas));
  color: var(--brand-700); border-color: color-mix(in oklab, var(--brand-500) 40%, var(--line));
}
.rm-step .rm-when {
  font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase; color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.rm-step .rm-name {
  font: 650 var(--t-lg) / 1.25 var(--font-sans);
  letter-spacing: -0.012em;
  margin: 4px 0 6px;
}
.rm-step .rm-body { font-size: var(--t-md); color: var(--text-secondary); line-height: 1.5; }

/* ---------- spec table ---------- */
.spec {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-canvas);
}
.spec-row {
  display: grid; grid-template-columns: 200px 1fr auto;
  gap: 24px; align-items: baseline;
  padding: 16px 24px;
  border-top: 1px solid var(--line-subtle);
}
.spec-row:first-child { border-top: 0; }
.spec-row .sp-key {
  font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase; color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.spec-row .sp-val { font: var(--type-body); color: var(--text-primary); }
.spec-row .sp-meta { font: var(--type-mono); font-size: 11px; color: var(--text-tertiary); }

/* ---------- final CTA ---------- */
.cta-block {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px;
  align-items: end;
}
.cta-block h2 {
  font: 650 44px / 1.08 var(--font-sans);
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0;
}
.cta-block h2 .cn {
  display: block; font-size: 22px; line-height: 1.3;
  font-weight: 500; letter-spacing: -0.01em;
  color: #aab4c6; margin-top: 12px;
}
.cta-block .cta-ctas { display: flex; gap: 12px; }

/* ---------- footer ---------- */
.mkt-footer {
  background: var(--bg-canvas);
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
}
.mkt-footer .fcols {
  display: grid; grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px;
}
.mkt-footer .fcol h5 {
  font: var(--type-eyebrow); letter-spacing: var(--letter-eyebrow);
  text-transform: uppercase; color: var(--text-tertiary);
  margin: 0 0 14px;
}
.mkt-footer .fcol ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.mkt-footer .fcol li a {
  font-size: var(--t-md);
  color: var(--text-secondary);
}
.mkt-footer .fcol li a:hover { color: var(--text-primary); }
.mkt-footer .fbio { font: var(--type-body); color: var(--text-secondary); margin: 14px 0 0; max-width: 320px; }
.mkt-footer .fbottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid var(--line-subtle);
  font: var(--type-caption); color: var(--text-tertiary);
  white-space: nowrap;
}
.mkt-footer .fbottom .meta-row { display: flex; gap: 16px; }

/* ---------- callout strip (used between sections) ---------- */
.callout {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-canvas);
}
.callout .c-text { font: 500 var(--t-md) / 20px var(--font-sans); color: var(--text-primary); }
.callout .c-sub { font: var(--type-caption); color: var(--text-tertiary); margin-top: 2px; }

/* ---------- responsive (light, mostly desktop-design) ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .belief-grid, .fleet-grid, .lanes, .memory, .roadmap { grid-template-columns: 1fr; }
  .larry-split { grid-template-columns: 1fr; gap: 32px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .cta-block { grid-template-columns: 1fr; gap: 24px; }
  .mkt-footer .fcols { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 40px; }
  .cta-block h2 { font-size: 32px; }
  .roadmap::before { display: none; }
}