:root {
  --proof-blue: #eaf1f6;
  --proof-green: #eaf4f1;
  --proof-gold: #f5f1e7;
}

.availability-note {
  display: inline-flex;
  margin-top: 1.25rem;
  padding: .55rem .8rem;
  border: 1px solid rgba(31,111,120,.28);
  border-radius: 999px;
  background: rgba(220,238,239,.55);
  color: var(--navy);
  font-size: .92rem;
  font-weight: 750;
}

.impact-strip {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--navy-2);
  color: white;
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.impact-stat {
  padding: .6rem 1rem;
  border-left: 1px solid rgba(255,255,255,.22);
}
.impact-stat:first-child { border-left: 0; }
.impact-stat strong {
  display: block;
  color: white;
  font-size: clamp(1.45rem, 2.6vw, 2.2rem);
  line-height: 1;
}
.impact-stat span {
  display: block;
  margin-top: .45rem;
  color: rgba(255,255,255,.78);
  font-size: .86rem;
  line-height: 1.35;
}

.capability-link {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 1rem;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.capability-link:hover {
  transform: translateY(-4px);
  border-color: rgba(31,111,120,.55);
  box-shadow: 0 16px 34px rgba(23,50,77,.11);
}
.capability-link:focus-visible {
  outline: 3px solid rgba(31,111,120,.35);
  outline-offset: 3px;
}
.capability-link .number { color: var(--teal); font-size: .8rem; font-weight: 850; letter-spacing: .12em; }
.capability-link h3 { margin: 1rem 0 .7rem; font-size: 1.1rem; }
.capability-link p { margin: 0; color: var(--muted); font-size: .96rem; }
.card-cta {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--teal);
  font-weight: 850;
}

.role-pathway-grid,
.metric-grid,
.case-grid,
.artifact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.role-pathway,
.metric-card,
.case-card,
.artifact-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: white;
  padding: 1.35rem;
}
.role-pathway h3,
.metric-card h3,
.case-card h3,
.artifact-card h3 { margin: .2rem 0 .65rem; }
.role-pathway p,
.metric-card p,
.case-card p,
.artifact-card p { margin: 0; color: var(--muted); }
.role-pathway a,
.artifact-card a { display: inline-flex; margin-top: 1rem; color: var(--teal); font-weight: 850; text-decoration: none; }
.role-pathway a:hover,
.artifact-card a:hover { text-decoration: underline; }

.metric-card strong {
  display: block;
  color: var(--navy);
  font-size: 2rem;
  line-height: 1;
}
.metric-card span {
  display: block;
  margin-top: .5rem;
  color: var(--muted);
}

.project-evidence-line {
  margin-top: .85rem !important;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
  color: var(--navy) !important;
  font-size: .88rem;
  font-weight: 750;
}

.artifact-preview,
.browser-frame,
.architecture-panel,
.sample-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: white;
  box-shadow: 0 18px 45px rgba(23,50,77,.08);
}
.preview-header,
.browser-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--navy);
  font-size: .88rem;
  font-weight: 800;
}
.browser-dots { display: flex; gap: .35rem; }
.browser-dots span { width: 9px; height: 9px; border-radius: 50%; background: #aebac3; }
.browser-content { display: grid; grid-template-columns: 190px 1fr; min-height: 370px; }
.preview-sidebar { padding: 1rem; background: var(--navy-2); color: white; }
.preview-sidebar strong { display: block; margin-bottom: 1rem; }
.preview-sidebar span { display: block; padding: .55rem .6rem; border-radius: .45rem; color: rgba(255,255,255,.72); font-size: .86rem; }
.preview-sidebar span.active { background: rgba(255,255,255,.13); color: white; }
.preview-main { padding: 1.2rem; background: #f8fafb; }
.preview-main h3 { margin-top: 0; }
.preview-row {
  display: grid;
  grid-template-columns: 1.4fr .8fr .7fr;
  gap: .7rem;
  align-items: center;
  margin-top: .65rem;
  padding: .8rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: white;
  font-size: .88rem;
}
.preview-status {
  justify-self: start;
  padding: .22rem .5rem;
  border-radius: 999px;
  background: var(--teal-light);
  color: #174f56;
  font-size: .76rem;
  font-weight: 800;
}
.preview-status.warn { background: #f5ead6; color: #78541f; }
.preview-status.hold { background: #f3dddd; color: #7a3030; }

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .75rem;
}
.flow-step {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: white;
}
.flow-step span { color: var(--teal); font-size: .78rem; font-weight: 850; letter-spacing: .1em; }
.flow-step h3 { margin: .55rem 0 .4rem; font-size: 1rem; }
.flow-step p { margin: 0; color: var(--muted); font-size: .88rem; }

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  padding: 1rem;
}
.architecture-node {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: var(--surface);
}
.architecture-node strong { display: block; color: var(--navy); }
.architecture-node span { display: block; margin-top: .35rem; color: var(--muted); font-size: .84rem; }
.architecture-node.core { background: var(--teal-light); border-color: rgba(31,111,120,.35); }

.evidence-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 1rem; background: white; }
.evidence-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.evidence-table th,
.evidence-table td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.evidence-table th { background: var(--surface); color: var(--navy); font-size: .84rem; letter-spacing: .03em; }
.evidence-table td { color: #4d5a65; }
.evidence-table tr:last-child td { border-bottom: 0; }

.boundary-note {
  margin-top: 2rem;
  padding: 1.25rem 1.35rem;
  border-left: 4px solid var(--teal);
  border-radius: .65rem;
  background: var(--surface);
}
.boundary-note h2,
.boundary-note h3 { margin-top: 0; }
.boundary-note p:last-child { margin-bottom: 0; }

.swimlane {
  display: grid;
  gap: .7rem;
  padding: 1rem;
}
.lane {
  display: grid;
  grid-template-columns: 150px repeat(5, minmax(120px, 1fr));
  gap: .5rem;
  align-items: stretch;
}
.lane-label,
.lane-step {
  padding: .7rem;
  border: 1px solid var(--line);
  border-radius: .55rem;
  background: white;
  font-size: .82rem;
}
.lane-label { background: var(--navy); color: white; font-weight: 800; }
.lane-step.active { background: var(--teal-light); color: var(--navy); font-weight: 750; }

.resume-download-note {
  margin-top: .8rem;
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 1000px) {
  .impact-grid { grid-template-columns: repeat(3, 1fr); }
  .impact-stat:nth-child(4) { border-left: 0; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .architecture-grid { grid-template-columns: repeat(2, 1fr); }
  .lane { grid-template-columns: 130px repeat(5, 150px); }
  .swimlane { overflow-x: auto; }
}

@media (max-width: 760px) {
  .impact-grid,
  .role-pathway-grid,
  .metric-grid,
  .case-grid,
  .artifact-grid,
  .flow-grid,
  .architecture-grid { grid-template-columns: 1fr; }
  .impact-stat { border-left: 0; border-top: 1px solid rgba(255,255,255,.2); }
  .impact-stat:first-child { border-top: 0; }
  .browser-content { grid-template-columns: 1fr; }
  .preview-sidebar { display: none; }
  .preview-row { grid-template-columns: 1fr; }
  .preview-status { justify-self: start; }
}