/* Metriq PRISM Laboratory landing page — Brand Kit v1.1 */
.prism-page { background: var(--prism-off-white); }
.prism-page .site-header { background: rgba(247,250,249,.9); }
.prism-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-height) + clamp(4rem, 8vw, 7.5rem));
  background:
    linear-gradient(rgba(4,91,93,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4,91,93,.045) 1px, transparent 1px),
    var(--prism-off-white);
  background-size: 48px 48px;
}
.prism-hero::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 86% 22%, rgba(25,114,220,.11), transparent 25%), radial-gradient(circle at 55% 58%, rgba(42,209,137,.09), transparent 30%);
  content: "";
  pointer-events: none;
}
.prism-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(330px, .58fr);
  gap: clamp(3rem, 6vw, 6.5rem);
  align-items: center;
  padding-bottom: clamp(4rem, 8vw, 7rem);
}
.prism-hero-lockup { margin-top: clamp(2.4rem, 5vw, 4.5rem); }
.prism-hero-copy h1 {
  max-width: 820px;
  margin-top: 2.2rem;
  color: var(--prism-near-black);
  font-size: clamp(3.2rem, 6.3vw, 6.6rem);
  font-weight: 770;
  letter-spacing: -.07em;
  line-height: .98;
}
.prism-hero-copy .page-lead {
  max-width: 780px;
  margin-top: 1.7rem;
  color: var(--prism-charcoal);
  font-size: clamp(1.05rem, 1.55vw, 1.25rem);
  line-height: 1.72;
}
.prism-hero-secondary { max-width: 760px; margin-top: 1rem; color: var(--prism-text-muted); line-height: 1.7; }
.prism-hero-record {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 3vw, 2.25rem);
  border: 1px solid var(--prism-border);
  border-radius: 22px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 28px 70px rgba(7,53,46,.09);
}
.prism-hero-record::before { position: absolute; top: 0; right: 0; left: 0; height: 4px; background: var(--prism-gradient); content: ""; }
.record-symbol { width: 115px; margin-bottom: 2.4rem; }
.record-symbol img { width: 100%; height: auto; }
.prism-hero-record h2 { margin-top: .8rem; color: var(--prism-near-black); font-size: clamp(2rem, 3.4vw, 3.1rem); letter-spacing: -.055em; }
.prism-hero-record > p:not(.prism-repository-badge) { margin-top: 1rem; color: var(--prism-text-muted); line-height: 1.68; }
.prism-hero-record dl { display: grid; grid-template-columns: 1fr 1fr; margin-top: 1.5rem; border-top: 1px solid var(--prism-border); border-left: 1px solid var(--prism-border); }
.prism-hero-record dl div { padding: .85rem; border-right: 1px solid var(--prism-border); border-bottom: 1px solid var(--prism-border); }
.prism-hero-record dt { color: var(--prism-text-muted); font-family: var(--font-mono); font-size: .48rem; letter-spacing: .08em; text-transform: uppercase; }
.prism-hero-record dd { margin-top: .4rem; color: var(--prism-near-black); font-size: .86rem; font-weight: 760; }
.prism-hero-record > a { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.4rem; color: var(--prism-deep-teal); font-size: .78rem; font-weight: 760; }
.prism-principle-strip { position: relative; z-index: 1; border-top: 1px solid var(--prism-border); border-bottom: 1px solid var(--prism-border); background: rgba(255,255,255,.72); }
.prism-principle-strip .wrap { display: grid; grid-template-columns: repeat(5, 1fr); }
.prism-principle-strip span { padding: 1.05rem; border-right: 1px solid var(--prism-border); color: var(--prism-deep-teal); font-family: var(--font-mono); font-size: .55rem; font-weight: 750; letter-spacing: .13em; text-align: center; }
.prism-principle-strip span:last-child { border-right: 0; }

.prism-definition-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 1rem; }
.definition-panel, .definition-aside { border: 1px solid var(--prism-border); border-radius: var(--radius-md); background: #fff; }
.definition-panel { padding: clamp(1.7rem, 4vw, 3.2rem); }
.definition-panel > p:first-child { color: var(--prism-deep-teal); font-family: var(--font-mono); font-size: .58rem; font-weight: 750; letter-spacing: .11em; }
.definition-panel blockquote { max-width: 940px; margin: 2.8rem 0 0; color: var(--prism-near-black); font-size: clamp(2.4rem, 5vw, 5.2rem); font-weight: 720; letter-spacing: -.065em; line-height: 1.03; }
.definition-panel blockquote span { color: var(--prism-emerald); }
.definition-panel > p:last-child { max-width: 820px; margin-top: 2rem; color: var(--prism-text-muted); line-height: 1.72; }
.definition-aside { display: grid; align-content: start; }
.definition-aside div { padding: 1.25rem 1.35rem; border-bottom: 1px solid var(--prism-border); }
.definition-aside div:last-child { border-bottom: 0; }
.definition-aside span { display: block; color: var(--prism-text-muted); font-family: var(--font-mono); font-size: .5rem; letter-spacing: .08em; text-transform: uppercase; }
.definition-aside strong { display: block; margin-top: .45rem; color: var(--prism-near-black); font-size: .92rem; }
.prism-program-modules { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 1rem; border-top: 1px solid var(--prism-border); border-left: 1px solid var(--prism-border); }
.prism-program-modules article { min-height: 250px; padding: 1.5rem; border-right: 1px solid var(--prism-border); border-bottom: 1px solid var(--prism-border); background: #fff; }
.prism-program-modules span { color: var(--prism-electric-blue); font-family: var(--font-mono); font-size: .58rem; }
.prism-program-modules h3 { margin-top: 3rem; color: var(--prism-near-black); font-size: 1.65rem; letter-spacing: -.04em; }
.prism-program-modules p { margin-top: .8rem; color: var(--prism-text-muted); font-size: .9rem; line-height: 1.68; }

.catalog-sync { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; padding: 1rem 1.15rem; border: 1px solid rgba(25,114,220,.2); border-radius: 12px; background: rgba(25,114,220,.055); }
.catalog-sync span { display: block; color: var(--prism-electric-blue); font-family: var(--font-mono); font-size: .5rem; letter-spacing: .1em; }
.catalog-sync strong { display: block; margin-top: .25rem; color: var(--prism-near-black); font-size: .82rem; }
.catalog-sync a { color: var(--prism-deep-teal); font-size: .77rem; font-weight: 750; white-space: nowrap; }
.catalog-toolbar { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr); gap: 1rem; align-items: end; padding: 1.2rem; border: 1px solid var(--prism-border); border-radius: 14px; background: #fff; }
.catalog-search label { display: block; margin-bottom: .55rem; color: var(--prism-deep-teal); font-family: var(--font-mono); font-size: .53rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.catalog-search input { width: 100%; min-height: 48px; padding: .8rem .95rem; border: 1px solid var(--prism-border); border-radius: 9px; background: var(--prism-off-white); color: var(--prism-near-black); font: inherit; }
.catalog-search input:focus { border-color: var(--prism-electric-blue); outline: 2px solid rgba(25,114,220,.14); outline-offset: 1px; }
.catalog-filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.catalog-filter { min-height: 42px; padding: .65rem .8rem; border: 1px solid var(--prism-border); border-radius: 999px; background: #fff; color: var(--prism-text-muted); cursor: pointer; font-family: var(--font-mono); font-size: .52rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.catalog-filter.is-active, .catalog-filter:hover, .catalog-filter:focus-visible { border-color: var(--prism-deep-teal); background: var(--prism-deep-teal); color: #fff; }
.catalog-summary { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding: .75rem .2rem; color: var(--prism-text-muted); font-family: var(--font-mono); font-size: .55rem; letter-spacing: .06em; text-transform: uppercase; }
.catalog-summary strong { color: var(--prism-near-black); }
.paper-catalog { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.catalog-card { display: grid; grid-template-columns: minmax(170px, .33fr) minmax(0, .67fr); min-height: 390px; overflow: hidden; border: 1px solid var(--prism-border); border-radius: var(--radius-md); background: #fff; transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease; }
.catalog-card:hover { transform: translateY(-4px); border-color: rgba(6,162,105,.35); box-shadow: 0 20px 48px rgba(7,53,46,.08); }
.catalog-cover { position: relative; min-height: 100%; overflow: hidden; border-right: 1px solid var(--prism-border); background: var(--prism-near-black); }
.catalog-cover img { width: 100%; height: 100%; object-fit: cover; opacity: .92; }
.catalog-cover > span { position: absolute; right: .7rem; bottom: .7rem; left: .7rem; padding: .55rem .65rem; border: 1px solid rgba(255,255,255,.14); border-radius: 7px; background: rgba(11,13,14,.75); color: #fff; font-family: var(--font-mono); font-size: .5rem; letter-spacing: .06em; }
.catalog-cover--repository { display: grid; place-items: center; padding: 2rem; background: linear-gradient(145deg, #fff, #edf7f3); }
.catalog-cover--repository img { width: min(100%, 170px); height: auto; object-fit: contain; opacity: 1; }
.catalog-card-body { display: flex; flex-direction: column; padding: 1.35rem; }
.catalog-card-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--prism-text-muted); font-family: var(--font-mono); font-size: .49rem; letter-spacing: .06em; text-transform: uppercase; }
.catalog-card-meta span:last-child { color: var(--prism-emerald); }
.catalog-card h3 { margin-top: 1.6rem; color: var(--prism-near-black); font-size: clamp(1.35rem, 2vw, 1.85rem); font-weight: 740; letter-spacing: -.045em; line-height: 1.08; }
.catalog-card p { margin-top: .9rem; color: var(--prism-text-muted); font-size: .88rem; line-height: 1.65; }
.catalog-topics { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.catalog-topics span { padding: .34rem .48rem; border: 1px solid var(--prism-border); border-radius: 999px; color: var(--prism-deep-teal); font-family: var(--font-mono); font-size: .46rem; letter-spacing: .05em; text-transform: uppercase; }
.catalog-card-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem 1rem; margin-top: auto; padding-top: 1.25rem; border-top: 1px solid var(--prism-border); }
.catalog-card-link, .catalog-github-link { color: var(--prism-deep-teal); font-size: .76rem; font-weight: 760; }
.catalog-card-link::after { content: " →"; }
.catalog-github-link { color: var(--prism-electric-blue); }
.catalog-empty { display: none; padding: 3rem; border: 1px dashed var(--prism-border); border-radius: var(--radius-md); color: var(--prism-text-muted); text-align: center; }
.catalog-empty.is-visible { display: block; }

.prism-method-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.13); border-left: 1px solid rgba(255,255,255,.13); }
.prism-method-step { min-height: 310px; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.prism-method-step span { color: var(--prism-signal-green); font-family: var(--font-mono); font-size: .6rem; }
.prism-method-step h3 { margin-top: 4rem; color: #fff; font-size: 1.5rem; letter-spacing: -.04em; }
.prism-method-step p { margin-top: .8rem; color: rgba(247,250,249,.62); font-size: .86rem; line-height: 1.65; }
.ai-disclosure { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.3rem); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md); background: rgba(255,255,255,.04); }
.ai-disclosure span { color: var(--prism-signal-green); font-family: var(--font-mono); font-size: .54rem; letter-spacing: .1em; }
.ai-disclosure h3 { margin-top: 1rem; color: #fff; font-size: 1.8rem; letter-spacing: -.04em; }
.ai-disclosure p { color: rgba(247,250,249,.65); line-height: 1.75; }

.prism-status-list { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--prism-border); border-left: 1px solid var(--prism-border); }
.prism-status-list article { min-height: 285px; padding: 1.35rem; border-right: 1px solid var(--prism-border); border-bottom: 1px solid var(--prism-border); background: #fff; }
.prism-status-list span { color: var(--prism-electric-blue); font-family: var(--font-mono); font-size: .52rem; font-weight: 750; letter-spacing: .08em; }
.prism-status-list h3 { margin-top: 3.5rem; color: var(--prism-near-black); font-size: 1.35rem; letter-spacing: -.035em; }
.prism-status-list p { margin-top: .75rem; color: var(--prism-text-muted); font-size: .84rem; line-height: 1.62; }

.repository-grid { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(300px,.68fr); gap: 1rem; }
.repository-primary, .repository-links { border: 1px solid var(--prism-border); border-radius: var(--radius-md); background: #fff; }
.repository-primary { padding: clamp(1.6rem,4vw,3rem); }
.repository-primary-top { display: flex; align-items: center; gap: 1rem; }
.repository-primary-top img { width: 74px; height: auto; }
.repository-primary-top span { color: var(--prism-deep-teal); font-family: var(--font-mono); font-size: .55rem; font-weight: 750; letter-spacing: .1em; }
.repository-primary h3 { margin-top: 2.3rem; color: var(--prism-near-black); font-size: clamp(2.7rem,5vw,5.2rem); letter-spacing: -.07em; }
.repository-primary > p { max-width: 820px; margin-top: 1.2rem; color: var(--prism-text-muted); line-height: 1.72; }
.repo-command { display: grid; grid-template-columns: minmax(0,1fr) auto; margin-top: 1.6rem; overflow: hidden; border: 1px solid var(--prism-border); border-radius: 9px; background: var(--prism-near-black); }
.repo-command code { overflow-x: auto; padding: 1rem; color: var(--prism-mint); font-family: var(--font-mono); font-size: .72rem; white-space: nowrap; }
.repo-command button { padding: .75rem 1rem; border: 0; border-left: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.08); color: #fff; cursor: pointer; font: inherit; font-size: .72rem; font-weight: 750; }
.repository-links { display: grid; overflow: hidden; }
.repository-links a { display: grid; grid-template-columns: 1fr auto; align-content: center; min-height: 120px; padding: 1.2rem; border-bottom: 1px solid var(--prism-border); }
.repository-links a:last-child { border-bottom: 0; }
.repository-links span { color: var(--prism-electric-blue); font-family: var(--font-mono); font-size: .5rem; letter-spacing: .08em; text-transform: uppercase; }
.repository-links strong { margin-top: .45rem; color: var(--prism-near-black); font-size: .86rem; line-height: 1.4; }
.repository-links i { grid-column: 2; grid-row: 1 / 3; align-self: center; color: var(--prism-deep-teal); font-style: normal; }
.repository-links a:hover { background: var(--prism-off-white); }
.prism-closing { border-top: 1px solid var(--prism-border); }
.prism-closing-layout { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(300px,.75fr); gap: 3rem; align-items: end; }
.prism-closing h2 { max-width: 930px; margin-top: 1rem; color: var(--prism-near-black); font-size: clamp(3rem,6vw,6.4rem); letter-spacing: -.075em; line-height: .98; }
.prism-closing p:not(.prism-repository-badge) { max-width: 760px; margin-top: 1.2rem; color: var(--prism-text-muted); line-height: 1.7; }

@media (max-width: 1180px) {
  .prism-hero-layout { grid-template-columns: 1fr; }
  .prism-hero-record { max-width: 760px; }
  .paper-catalog { grid-template-columns: 1fr; }
  .prism-status-list { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 980px) {
  .prism-definition-grid, .repository-grid, .prism-closing-layout, .ai-disclosure { grid-template-columns: 1fr; }
  .catalog-toolbar { grid-template-columns: 1fr; }
  .prism-program-modules { grid-template-columns: 1fr; }
  .prism-program-modules article { min-height: 210px; }
  .prism-method-grid { grid-template-columns: repeat(2,1fr); }
  .prism-status-list { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
  .prism-hero { padding-top: calc(var(--header-height) + 3rem); }
  .prism-hero-lockup { margin-top: 2rem; width: min(100%,360px); }
  .prism-hero-copy h1 { font-size: clamp(3.1rem,15vw,5rem); }
  .prism-principle-strip .wrap { grid-template-columns: 1fr 1fr; }
  .prism-principle-strip span:nth-child(2n) { border-right: 0; }
  .prism-principle-strip span:last-child { grid-column: 1 / -1; border-top: 1px solid var(--prism-border); }
  .catalog-sync { align-items: flex-start; flex-direction: column; }
  .catalog-card { grid-template-columns: 1fr; }
  .catalog-cover { height: 290px; min-height: 290px; border-right: 0; border-bottom: 1px solid var(--prism-border); }
  .prism-method-grid, .prism-status-list { grid-template-columns: 1fr; }
  .prism-method-step { min-height: 220px; }
  .prism-method-step h3 { margin-top: 2.5rem; }
  .prism-status-list article { min-height: 220px; }
  .repo-command { grid-template-columns: 1fr; }
  .repo-command button { border-top: 1px solid rgba(255,255,255,.12); border-left: 0; }
}

/* v3.5 repository and anchor refinements */
#program,
#papers,
#methods,
#standards,
#repository {
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}
.prism-hero-record h2 {
  max-width: 100%;
  font-size: clamp(1.85rem, 2.55vw, 2.55rem);
  line-height: 1.02;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
.paper-catalog > .catalog-card--repository {
  grid-column: 1 / -1;
  grid-template-columns: minmax(190px, .23fr) minmax(0, .77fr);
  min-height: 310px;
}
@media (max-width: 720px) {
  .paper-catalog > .catalog-card--repository {
    grid-template-columns: 1fr;
  }
}
.catalog-card[hidden] {
  display: none;
}
.repository-grid > *,
.repository-primary,
.repository-links,
.repo-command,
.repo-command code {
  min-width: 0;
}
.repository-primary h3 {
  overflow-wrap: anywhere;
}
@media (max-width: 720px) {
  .repository-grid { min-width: 0; }
  .repository-primary,
  .repository-links { width: 100%; }
  .repository-primary { padding: 1.35rem; }
  .repository-primary h3 { font-size: clamp(2.25rem, 12vw, 3.5rem); }
}

/* v3.7 repository-paper visuals and balanced catalog --------------------- */
.paper-catalog > .catalog-card--repository {
  grid-column: auto;
  grid-template-columns: minmax(170px, .33fr) minmax(0, .67fr);
  min-height: 390px;
}

.catalog-cover--repository {
  padding: 0;
  background:
    linear-gradient(rgba(4,91,93,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4,91,93,.045) 1px, transparent 1px),
    linear-gradient(145deg, #fff, #edf7f3);
  background-size: 24px 24px, 24px 24px, auto;
}

.catalog-cover--repository svg {
  width: 100%;
  height: 100%;
  min-height: 260px;
}

.catalog-cover--repository svg text {
  fill: var(--prism-deep-teal);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .11em;
}

.catalog-path-line,
.catalog-path-walk,
.catalog-lattice-walk {
  fill: none;
  stroke: url(#catalog-path-gradient);
  stroke-linecap: round;
  stroke-linejoin: round;
}

.catalog-path-line { stroke-width: 3; opacity: .48; }
.catalog-path-walk { stroke-width: 4; stroke-dasharray: 9 12; }
.catalog-path-nodes circle {
  fill: #fff;
  stroke: url(#catalog-path-gradient);
  stroke-width: 4;
  filter: drop-shadow(0 8px 14px rgba(4,91,93,.12));
}

.catalog-lattice-grid path {
  fill: none;
  stroke: rgba(4,91,93,.12);
  stroke-width: 1;
}

.catalog-lattice-walk {
  stroke: url(#catalog-walk-gradient);
  stroke-width: 5;
  stroke-dasharray: 10 12;
}

.catalog-lattice-nodes circle {
  fill: #fff;
  stroke: url(#catalog-walk-gradient);
  stroke-width: 3;
}

@media (max-width: 720px) {
  .paper-catalog > .catalog-card--repository { grid-template-columns: 1fr; }
  .catalog-cover--repository svg { min-height: 250px; }
}