/* PRISM AI - shared stylesheet for the paged operator reference */

:root {
  --executive-navy: #192330;
  --deep-navy: #09100F;
  --warm-cream: #F7F4EF;
  --cream-soft: #FBF9F5;
  --structural-teal: #14B8A6;
  --bright-teal: #5EEAD4;
  --deep-teal: #0F766E;
  --executive-orange: #F97316;
  --peach: #FED7AA;
  --text: rgba(247, 244, 239, .92);
  --secondary-text: rgba(247, 244, 239, .68);
  --muted: rgba(247, 244, 239, .54);
  --line: rgba(94, 234, 212, .14);
  --line-strong: rgba(94, 234, 212, .24);
  --paper: rgba(247, 244, 239, .055);
  --radius: 10px;
  --page: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }

html {
  overflow-x: hidden;
  background: var(--deep-navy);
}

body {
  background:
    radial-gradient(circle at 72% 0%, rgba(94, 234, 212, .10), transparent 28rem),
    linear-gradient(180deg, #111c27 0%, var(--deep-navy) 44%, #0d1718 100%);
  background-repeat: no-repeat;
  background-color: var(--deep-navy);
  color: var(--text);
  font-family: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
  line-height: 1.45;
  overflow-x: hidden;
}

body.modal-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid rgba(94, 234, 212, .72);
  outline-offset: 3px;
}

h1, h2, h3, p { margin-top: 0; }

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 16, 15, .9);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: var(--page);
  margin: 0 auto;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--warm-cream);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand img {
  width: 104px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

.nav a,
.nav button {
  border: 1px solid rgba(94, 234, 212, .18);
  border-radius: 8px;
  background: rgba(247, 244, 239, .05);
  color: rgba(247, 244, 239, .82);
  padding: 8px 11px;
}

.nav a:hover,
.nav button:hover {
  border-color: rgba(94, 234, 212, .44);
  color: var(--bright-teal);
}

.nav a[aria-current="page"] {
  border-color: rgba(94, 234, 212, .5);
  background: rgba(20, 184, 166, .14);
  color: var(--bright-teal);
}

.nav .nav-sep {
  width: 1px;
  align-self: stretch;
  margin: 0 4px;
  background: rgba(94, 234, 212, .16);
}

/* ---------- Page heading ---------- */

.page-head {
  border-bottom: 1px solid rgba(94, 234, 212, .12);
}

.page-head-inner {
  display: grid;
  gap: 12px;
  width: var(--page);
  margin: 0 auto;
  padding: clamp(22px, 3.2vw, 34px) 0;
}

.page-step {
  color: rgba(247, 244, 239, .5);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  max-width: 880px;
  color: var(--warm-cream);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -.045em;
  margin-bottom: 0;
}

.page-head p {
  max-width: 760px;
  color: var(--secondary-text);
  font-size: clamp(15px, 1.5vw, 18px);
  margin-bottom: 0;
}

/* ---------- Layout ---------- */

main {
  display: block;
  width: var(--page);
  margin: 0 auto;
  padding: clamp(26px, 3.6vw, 44px) 0 40px;
}

main > section + section {
  margin-top: clamp(28px, 3.6vw, 44px);
  padding-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid rgba(94, 234, 212, .1);
}

.section-intro {
  display: grid;
  gap: 10px;
  justify-items: start;
  text-align: left;
  margin: 0 0 18px;
}

h2 {
  color: var(--warm-cream);
  font-size: clamp(23px, 2.8vw, 32px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin-bottom: 0;
}

.section-intro p,
.muted {
  color: var(--secondary-text);
  font-size: 15px;
  margin-bottom: 0;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

/* ---------- Cards ---------- */

.card {
  display: grid;
  grid-template-columns: minmax(180px, .45fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: clamp(16px, 1.9vw, 22px);
}

.card.stacked,
.controls.card,
label.card {
  grid-template-columns: 1fr;
}

.card h3 {
  color: var(--warm-cream);
  font-size: 19px;
  letter-spacing: -.03em;
  margin-bottom: 8px;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--secondary-text);
  font-size: 14px;
}

.card li + li { margin-top: 6px; }

.formula {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(94, 234, 212, .2);
  border-radius: 8px;
  background: rgba(20, 184, 166, .08);
  margin-top: 14px;
  padding: 14px;
}

.formula strong {
  color: var(--bright-teal);
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: -.04em;
}

.note {
  border: 1px solid rgba(249, 115, 22, .28);
  border-radius: 8px;
  background: rgba(249, 115, 22, .08);
  color: rgba(247, 244, 239, .68);
  font-size: 13px;
  margin: 14px 0 0;
  padding: 13px 15px;
}

/* ---------- Cost model strip ---------- */

#model .card {
  display: block;
  min-height: 138px;
  padding: 14px;
}

#model .card h3 { font-size: 18px; margin-bottom: 6px; }
#model .card ul { margin-top: 8px; padding-left: 17px; font-size: 12px; }
#model .formula { margin-top: 8px; padding: 10px; }
#model .formula strong { font-size: clamp(18px, 2vw, 24px); }

.model-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.model-node {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(247, 244, 239, .045);
  padding: 10px 12px;
}

.model-node strong,
.model-node small { display: block; }

.model-node strong {
  color: var(--warm-cream);
  font-size: 14px;
  margin-top: 8px;
}

.model-node small {
  color: rgba(247, 244, 239, .58);
  margin-top: 3px;
}

.model-line {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--structural-teal);
}

.model-line.fixed { width: 48%; }
.model-line.usage { width: 72%; background: rgba(94, 234, 212, .74); }
.model-line.price { width: 100%; background: var(--executive-orange); }

/* ---------- Calculator ---------- */

.calculator {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 18px;
  align-items: start;
}

.controls {
  display: grid;
  gap: 13px;
  position: sticky;
  top: 88px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--warm-cream);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
}

select, input {
  width: 100%;
  border: 1px solid rgba(94, 234, 212, .18);
  border-radius: 8px;
  background: rgba(247, 244, 239, .05);
  color: rgba(247, 244, 239, .88);
  padding: 11px 13px;
}

.helper {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.btn {
  border: 1px solid rgba(94, 234, 212, .5);
  border-radius: 8px;
  background: rgba(20, 184, 166, .16);
  color: var(--warm-cream);
  font-weight: 800;
  padding: 11px 15px;
}

.btn:hover { border-color: rgba(94, 234, 212, .72); }

.btn.secondary {
  border-color: rgba(94, 234, 212, .18);
  background: rgba(247, 244, 239, .05);
  color: rgba(247, 244, 239, .82);
}

.btn[aria-pressed="true"] {
  border-color: rgba(94, 234, 212, .5);
  background: rgba(20, 184, 166, .16);
  color: var(--bright-teal);
}

.results {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  gap: 12px;
}

.metric {
  min-height: 106px;
  min-width: 0;
  display: grid;
  align-content: space-between;
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  padding: 15px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.metric strong {
  color: var(--warm-cream);
  font-size: clamp(24px, 2.45vw, 34px);
  letter-spacing: -.05em;
  line-height: 1;
  white-space: nowrap;
}

.metric.accent strong { color: var(--bright-teal); }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

/* ---------- Hover definitions ---------- */

.info-title {
  position: relative;
  display: inline-block;
  cursor: help;
}

.info-title::after {
  content: attr(data-definition);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 12;
  width: min(320px, 78vw);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  border: 1px solid rgba(94, 234, 212, .28);
  border-radius: 8px;
  background: #0b1518;
  color: rgba(247, 244, 239, .86);
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
  transition: opacity .2s ease, transform .2s ease;
}

.info-title:hover::after,
.info-title:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Visual graphs ---------- */

.visual-graph {
  border: 1px solid rgba(94, 234, 212, .16);
  border-radius: 12px;
  background: rgba(247, 244, 239, .045);
  padding: 18px;
  margin-top: 14px;
}

.flow-graph,
.package-bars {
  display: grid;
  gap: 10px;
}

.flow-row,
.bar-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 90px;
  gap: 12px;
  align-items: center;
  color: var(--secondary-text);
  font-size: 13px;
}

.flow-row strong,
.bar-row strong { color: var(--warm-cream); }

.track {
  height: 9px;
  border-radius: 999px;
  background: rgba(247, 244, 239, .10);
  overflow: hidden;
}

.fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  border-radius: inherit;
  background: var(--structural-teal);
}

.fill.orange { background: var(--executive-orange); }

.bar-row.has-marker .track {
  position: relative;
  overflow: visible;
}

.cost-marker {
  position: absolute;
  top: -4px;
  left: var(--x, 0%);
  width: 3px;
  height: 17px;
  border-radius: 999px;
  background: var(--executive-orange);
}

/* ---------- Shared platform allocation ---------- */

.allocation-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  margin-top: 14px;
  padding: 18px;
}

.allocation-panel h3 {
  color: var(--warm-cream);
  font-size: 18px;
  margin-bottom: 12px;
}

.allocation-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.allocation-grid div,
.breakdown-subtotal,
.breakdown-grand-total {
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 12px;
}

.allocation-grid span,
.breakdown-subtotal span,
.breakdown-grand-total span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.allocation-grid strong,
.breakdown-subtotal strong,
.breakdown-grand-total strong {
  display: block;
  color: var(--warm-cream);
  font-size: 20px;
  margin-top: 6px;
}

/* ---------- Packages ---------- */

.fixed-packages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
  margin-top: 14px;
}

.fixed-package {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: clamp(18px, 2.2vw, 26px);
}

.fixed-package.is-featured {
  border-color: rgba(94, 234, 212, .4);
  background: rgba(20, 184, 166, .08);
}

.package-kicker,
.usage-label,
.economics-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(247, 244, 239, .045);
  padding: 5px 9px;
  color: rgba(247, 244, 239, .62);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.economics-status.is-above {
  border-color: rgba(20, 184, 166, .36);
  color: var(--bright-teal);
}

.economics-status.is-below {
  border-color: rgba(249, 115, 22, .42);
  color: var(--executive-orange);
}

.fixed-package h3 {
  color: var(--warm-cream);
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: -.04em;
  line-height: 1;
  margin: 12px 0 8px;
}

.fixed-price strong {
  color: var(--bright-teal);
  display: block;
  font-size: clamp(36px, 4vw, 52px);
  letter-spacing: -.06em;
  line-height: .92;
}

.fixed-price small {
  color: rgba(247, 244, 239, .62);
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-top: 8px;
}

.usage-block {
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(247, 244, 239, .045);
  padding: 14px;
}

.usage-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--warm-cream);
  font-weight: 800;
  font-size: 14px;
}

.usage-items span {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(247, 244, 239, .045);
  padding: 8px 10px;
}

.fixed-package-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.package-capabilities {
  flex: 1;
  color: rgba(247, 244, 239, .62);
  font-size: 13px;
  margin: 0;
  padding-left: 18px;
}

.package-capabilities li { margin-bottom: 6px; }

.economics-panel {
  border-top: 1px solid rgba(94, 234, 212, .12);
  margin-top: auto;
  padding-top: 14px;
}

.economics-panel summary {
  cursor: pointer;
  color: var(--warm-cream);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.economics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.economics-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(247, 244, 239, .045);
  padding: 12px;
}

.economics-grid span {
  display: block;
  color: rgba(247, 244, 239, .62);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.economics-grid strong {
  display: block;
  color: var(--warm-cream);
  font-size: 19px;
  margin-top: 6px;
}

/* ---------- Cost line cards ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  padding: 16px;
}

.feature-card h3 {
  color: var(--warm-cream);
  font-size: 17px;
  letter-spacing: -.02em;
  margin-bottom: 0;
}

.tooltip {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: calc(100% - 8px);
  z-index: 5;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  border: 1px solid rgba(94, 234, 212, .32);
  border-radius: 8px;
  background: #0b1518;
  color: var(--warm-cream);
  padding: 12px;
  font-size: 12px;
  transition: opacity .25s ease, transform .25s ease;
}

.feature-card:hover .tooltip,
.feature-card:focus-within .tooltip,
.feature-card:focus .tooltip {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Onboarding process cards ---------- */

.process-cards {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.process-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  padding: 18px 14px 16px;
  text-align: center;
}

.process-icon {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  margin: 0 auto;
}

.process-icon svg {
  width: 96px;
  height: 96px;
  display: block;
}

.process-card h3 {
  color: var(--warm-cream);
  font-size: 15px;
  letter-spacing: -.03em;
  line-height: 1.2;
  margin: 0;
}

.process-card p {
  flex: 1;
  color: var(--secondary-text);
  font-size: 12px;
  line-height: 1.4;
  margin: 0;
}

.process-hours {
  display: grid;
  gap: 2px;
}

.process-hours strong {
  color: var(--bright-teal);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
}

.process-hours span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
}

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  background: rgba(3, 8, 8, .82);
  padding: 20px;
}

.modal[aria-hidden="false"] { display: grid; }

.modal-panel {
  width: min(860px, 100%);
  max-height: min(720px, calc(100svh - 40px));
  overflow: auto;
  border: 1px solid rgba(94, 234, 212, .26);
  border-radius: 10px;
  background: #101b1d;
  padding: clamp(20px, 2.8vw, 32px);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.modal-head h2 { font-size: clamp(22px, 2.4vw, 28px); }

.close {
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  border: 1px solid rgba(94, 234, 212, .18);
  border-radius: 8px;
  background: rgba(247, 244, 239, .05);
  color: rgba(247, 244, 239, .82);
  font-size: 24px;
}

.breakdown-total {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.breakdown-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.breakdown-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 16px;
}

.breakdown-item b { color: var(--warm-cream); }
.breakdown-item p { color: var(--secondary-text); font-size: 13px; margin: 6px 0 0; }

.breakdown-section + .breakdown-section,
.breakdown-grand-total { margin-top: 14px; }

.breakdown-section h3 {
  color: var(--warm-cream);
  font-size: 18px;
  margin-bottom: 10px;
}

.breakdown-subtotal { margin-top: 10px; }

/* ---------- Milestone summary ---------- */

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  width: 100%;
}

.summary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  padding: 13px 15px;
  text-align: left;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.summary-card small {
  display: block;
  margin-top: 5px;
  color: var(--secondary-text);
  font-size: 11px;
}

.summary-card strong {
  display: block;
  color: var(--warm-cream);
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: -.04em;
  line-height: 1;
}

.summary-card.total {
  border-color: rgba(249, 115, 22, .36);
  background: rgba(249, 115, 22, .08);
}

.summary-card.total strong { color: var(--peach); }

.development-stack {
  border: 1px solid rgba(94, 234, 212, .16);
  border-radius: 12px;
  background: rgba(247, 244, 239, .045);
  margin-top: 12px;
  padding: 16px;
}

.stack-track {
  display: flex;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(247, 244, 239, .10);
}

.stack-segment {
  width: var(--w);
  background: var(--structural-teal);
}

.stack-segment:nth-child(2) { background: rgba(94, 234, 212, .62); }
.stack-segment:nth-child(3) { background: var(--executive-orange); }

.stack-labels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
  color: var(--secondary-text);
  font-size: 12px;
  font-weight: 800;
}

/* ---------- Milestone process ---------- */

.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.process-step {
  display: grid;
  grid-template-columns: 72px minmax(160px, .45fr) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 16px;
}

.process-step b {
  display: block;
  color: var(--bright-teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.process-step h3 { color: var(--warm-cream); font-size: 17px; margin-bottom: 0; }
.process-step p { color: var(--secondary-text); margin: 0; }

/* ---------- Phases ---------- */

.phase {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
  margin-bottom: 14px;
}

.phase-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  border-bottom: 1px solid rgba(94, 234, 212, .12);
  background: rgba(247, 244, 239, .055);
  color: var(--warm-cream);
  padding: 16px 20px;
  text-align: left;
}

.phase-toggle h3 {
  color: var(--warm-cream);
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -.04em;
  margin: 0;
}

.phase-toggle span {
  color: var(--bright-teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.phase-body {
  display: none;
  background: rgba(9, 16, 15, .18);
  padding: 20px;
}

.phase[data-open="true"] .phase-body { display: block; }

.phase-credit-note {
  border-left: 2px solid var(--executive-orange);
  margin: 14px 0 18px;
  color: var(--secondary-text);
  padding: 4px 0 4px 12px;
  font-size: 12px;
  font-weight: 700;
}

.milestone-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.milestone-table th {
  color: var(--bright-teal);
  font-size: 12px;
  letter-spacing: .1em;
  text-align: left;
  text-transform: uppercase;
}

.milestone-table th,
.milestone-table td {
  border-bottom: 1px solid rgba(94, 234, 212, .11);
  padding: 13px 12px;
  vertical-align: top;
  color: var(--secondary-text);
}

.milestone-table td:first-child,
.milestone-table td:nth-child(3) {
  color: var(--warm-cream);
  font-weight: 800;
}

.milestone-table td:nth-child(3) { white-space: nowrap; }

.milestone-table tfoot td {
  border-bottom: 0;
  color: var(--bright-teal);
  font-size: 18px;
  font-weight: 800;
}

body.summary-mode .detail-col,
body.summary-mode .validation-col { display: none; }

.compact-validation { margin-bottom: 18px; }

.design-responsibilities { margin-top: 20px; }
.design-responsibilities .card { align-content: start; }
.design-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.step-label {
  color: var(--bright-teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.compact-process {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.compact-process .process-step {
  display: block;
  padding: 16px;
}

.compact-process .process-step h3 { margin: 8px 0 6px; }
.compact-process .process-step p { font-size: 12px; line-height: 1.5; }

.delivery-boundaries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.delivery-boundaries article {
  border-top: 1px solid var(--line);
  padding: 18px 4px 0;
}

.delivery-boundaries span {
  display: block;
  margin-bottom: 9px;
  color: var(--bright-teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.delivery-boundaries strong {
  display: block;
  color: var(--warm-cream);
  font-size: 18px;
}

.delivery-boundaries p {
  margin: 7px 0 0;
  color: var(--secondary-text);
  font-size: 13px;
}

/* ---------- Post-project maintenance ---------- */

.maintenance-service {
  overflow: hidden;
  border: 1px solid rgba(94, 234, 212, .28);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(20, 184, 166, .10), rgba(247, 244, 239, .04) 46%);
}

.maintenance-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 36px;
  border-bottom: 1px solid rgba(94, 234, 212, .16);
  padding: clamp(24px, 4vw, 42px);
}

.maintenance-header > div:first-child { max-width: 720px; }

.maintenance-header > div:first-child > span {
  display: block;
  margin-bottom: 9px;
  color: var(--bright-teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.maintenance-header h2 {
  margin-bottom: 12px;
  color: var(--warm-cream);
  font-size: clamp(28px, 4vw, 46px);
  letter-spacing: -.045em;
  line-height: 1;
}

.maintenance-header p {
  margin: 0;
  color: var(--secondary-text);
  font-size: 15px;
}

.maintenance-price {
  min-width: 350px;
  border-left: 1px solid rgba(249, 115, 22, .72);
  padding: 5px 0 5px 22px;
}

.maintenance-price strong,
.maintenance-price span { display: block; }

.maintenance-price strong {
  color: var(--warm-cream);
  font-size: clamp(48px, 6vw, 76px);
  letter-spacing: -.055em;
  line-height: .9;
  white-space: nowrap;
}

.maintenance-price small {
  color: var(--secondary-text);
  font-size: 14px;
  letter-spacing: 0;
}

.maintenance-price span {
  margin-top: 11px;
  color: var(--bright-teal);
  font-size: 14px;
  font-weight: 800;
}

.maintenance-maximum {
  display: grid;
  gap: 6px;
  border-top: 1px solid rgba(94, 234, 212, .18);
  margin-top: 18px;
  padding-top: 16px;
}

.maintenance-maximum b {
  color: var(--warm-cream);
  font-size: 18px;
}

.maintenance-maximum small {
  display: block;
  color: var(--secondary-text);
  font-size: 12px;
  font-weight: 700;
}

.maintenance-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.maintenance-columns > div { padding: clamp(24px, 3.5vw, 38px); }
.maintenance-columns > div + div { border-left: 1px solid rgba(94, 234, 212, .16); }

.maintenance-columns h3 {
  margin-bottom: 18px;
  color: var(--warm-cream);
  font-size: 23px;
}

.maintenance-columns > div > p {
  margin: -8px 0 18px;
  color: var(--secondary-text);
  font-size: 13px;
}

.maintenance-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.maintenance-list li {
  position: relative;
  color: var(--secondary-text);
  font-size: 13px;
  line-height: 1.5;
  padding-left: 20px;
}

.maintenance-list li::before {
  content: "";
  position: absolute;
  top: .62em;
  left: 2px;
  width: 7px;
  height: 2px;
  border-radius: 99px;
  background: var(--bright-teal);
}

.excluded-list li { color: rgba(247, 244, 239, .82); }
.excluded-list li::before { background: var(--executive-orange); }

.maintenance-capacity,
.scope-quote {
  border-top: 1px solid rgba(94, 234, 212, .14);
  margin-top: 24px;
  padding-top: 20px;
}

.maintenance-capacity strong { color: var(--bright-teal); font-size: 13px; }

.maintenance-capacity p,
.maintenance-columns .scope-quote {
  margin: 8px 0 0;
  color: var(--secondary-text);
  font-size: 12px;
  line-height: 1.6;
}

.maintenance-example-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.maintenance-example-scale span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(94, 234, 212, .14);
  color: var(--secondary-text);
  padding-top: 8px;
  font-size: 11px;
}

.maintenance-example-scale b {
  color: var(--warm-cream);
  font-size: 12px;
}

.maintenance-capacity .maintenance-eligible {
  border-top: 1px solid rgba(94, 234, 212, .14);
  margin-top: 18px;
  padding-top: 16px;
}

.maintenance-columns .scope-quote {
  color: var(--warm-cream);
  font-weight: 700;
}

.maintenance-note {
  margin: 0;
  border-top: 1px solid rgba(249, 115, 22, .25);
  background: rgba(249, 115, 22, .08);
  color: var(--peach);
  padding: 18px clamp(24px, 4vw, 42px);
  font-size: 13px;
  font-weight: 700;
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.comparison h3 { color: var(--warm-cream); }
.comparison ul { margin: 0; padding-left: 19px; color: var(--secondary-text); font-size: 14px; }
.comparison li + li { margin-top: 6px; }

.validation-grid,
.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.roadmap .card {
  grid-template-columns: 1fr;
  text-align: center;
}

.roadmap-arrow {
  display: none;
  color: var(--bright-teal);
  font-size: 26px;
  font-weight: 800;
}

.callout {
  grid-template-columns: 1fr;
  border-color: rgba(249, 115, 22, .28);
  background: rgba(249, 115, 22, .08);
}

.callout h2 { font-size: clamp(21px, 2.4vw, 28px); margin-bottom: 10px; }

.tooltip-word {
  position: relative;
  border: 0;
  border-bottom: 1px dotted currentColor;
  background: transparent;
  color: var(--bright-teal);
  font-weight: 800;
  padding: 0;
}

.tooltip-word::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  width: min(280px, 80vw);
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  pointer-events: none;
  border: 1px solid rgba(94, 234, 212, .32);
  border-radius: 8px;
  background: #0b1518;
  color: var(--warm-cream);
  padding: 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 6;
}

.tooltip-word:hover::after,
.tooltip-word:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.payment-table {
  width: 100%;
  border-collapse: collapse;
}

.payment-table td {
  border-bottom: 1px solid rgba(94, 234, 212, .11);
  color: var(--secondary-text);
  padding: 15px 10px;
  font-weight: 800;
}

.payment-table td:last-child {
  color: var(--warm-cream);
  text-align: right;
  white-space: nowrap;
}

.payment-table tr:last-child td {
  border-bottom: 0;
  color: var(--bright-teal);
  font-size: 21px;
}

/* ---------- Pager ---------- */

.pager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: var(--page);
  margin: 0 auto;
  padding: 20px 0 40px;
  border-top: 1px solid rgba(94, 234, 212, .12);
}

.pager-link {
  display: grid;
  gap: 4px;
  border: 1px solid rgba(94, 234, 212, .18);
  border-radius: 9px;
  background: rgba(247, 244, 239, .05);
  padding: 12px 15px;
}

.pager-link:hover {
  border-color: rgba(94, 234, 212, .44);
  background: rgba(20, 184, 166, .09);
}

.pager-link.next { text-align: right; }

.pager-link span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.pager-link strong {
  color: var(--warm-cream);
  font-size: 15px;
  letter-spacing: -.02em;
}

.pager-spacer { display: block; }

.pager-count {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Home directory ---------- */

.track-group + .track-group { margin-top: 32px; }

.track-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.track-head h2 { font-size: clamp(20px, 2.2vw, 26px); }

.track-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.tool-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 16px 18px;
  transition: border-color .3s ease, background .3s ease;
}

.tool-card:hover,
.tool-card:focus-visible {
  border-color: rgba(94, 234, 212, .42);
  background: rgba(20, 184, 166, .08);
}

.tool-index {
  color: var(--bright-teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.tool-card strong {
  display: block;
  color: var(--warm-cream);
  font-size: 19px;
  letter-spacing: -.03em;
  margin-bottom: 4px;
}

.tool-card p {
  color: var(--secondary-text);
  font-size: 14px;
  margin: 0;
}

.arrow {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(94, 234, 212, .28);
  border-radius: 8px;
  background: rgba(94, 234, 212, .08);
  color: var(--warm-cream);
  font-size: 19px;
}

footer {
  width: var(--page);
  margin: 0 auto;
  padding: 22px 0;
  border-top: 1px solid rgba(94, 234, 212, .1);
  color: var(--muted);
  font-size: 13px;
}

/* ---------- Responsive ---------- */

@media (min-width: 981px) {
  .roadmap {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
  }
  .roadmap-arrow { display: block; }
}

@media (max-width: 980px) {
  .calculator { grid-template-columns: 1fr; }
  .controls { position: static; }
  .results { grid-template-columns: repeat(2, minmax(170px, 1fr)); }
  .grid-3,
  .feature-grid,
  .metric-strip,
  .validation-grid,
  .model-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fixed-packages { grid-template-columns: 1fr; }
  .card,
  .feature-card,
  .process-step { grid-template-columns: 1fr; }
  .compact-process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .allocation-grid,
  .economics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .maintenance-header { grid-template-columns: 1fr; align-items: start; }
  .maintenance-price { min-width: 0; }
}

@media (max-width: 680px) {
  :root { --page: min(100% - 28px, 1180px); }
  .topbar-inner { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .nav .nav-sep { display: none; }
  .brand img { width: 92px; }
  .grid-2,
  .grid-3,
  .results,
  .feature-grid,
  .process-cards,
  .metric-strip,
  .split-list,
  .comparison,
  .validation-grid,
  .roadmap,
  .compact-process,
  .delivery-boundaries,
  .model-strip,
  .breakdown-total,
  .breakdown-list,
  .allocation-grid,
  .economics-grid,
  .stack-labels,
  .tool-card { grid-template-columns: 1fr; }
  .maintenance-columns { grid-template-columns: 1fr; }
  .maintenance-columns > div + div {
    border-top: 1px solid rgba(94, 234, 212, .16);
    border-left: 0;
  }
  .pager { grid-template-columns: 1fr; }
  .pager-link.next { text-align: left; }
  .pager-count { order: 3; text-align: center; }
  .process-card {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    grid-template-rows: auto auto auto auto;
    gap: 4px 14px;
    text-align: left;
    padding: 16px;
  }
  .process-icon {
    grid-row: 1 / span 4;
    width: 88px;
    height: 88px;
    margin: 0;
    align-self: center;
  }
  .process-icon svg { width: 88px; height: 88px; }
  .process-card p { font-size: 13px; }
  .process-hours { justify-items: start; }
  .milestone-table,
  .milestone-table thead,
  .milestone-table tbody,
  .milestone-table tfoot,
  .milestone-table tr,
  .milestone-table th,
  .milestone-table td { display: block; }
  .milestone-table thead { display: none; }
  .milestone-table tr {
    border-bottom: 1px solid rgba(94, 234, 212, .11);
    padding: 12px 0;
  }
  .milestone-table td {
    border-bottom: 0;
    padding: 6px 0;
  }
  .milestone-table td::before {
    content: attr(data-label);
    display: block;
    color: var(--bright-teal);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}