/* Header, wordmark, buttons, cards — matching MONOTEKO Design System components */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--mt-warm-50) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(10px);
  border-bottom: 1px solid var(--mt-graphite-200);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--mt-space-4);
  min-height: 72px;
  width: var(--mt-page);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  color: inherit;
}

.brand-lockup {
  display: block;
  width: auto;
  height: 52px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px 20px;
}

.nav a {
  min-height: 36px;
  color: var(--mt-graphite-700);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--mt-graphite-900);
  border-bottom-color: var(--mt-teal-700);
}

.site-footer {
  --mt-footer-pad-top: var(--mt-space-16);
  --mt-lever-inset-top: var(--mt-footer-pad-top);
  --mt-lever-inset-right: 48px;
  --mt-lockup-h: 58px;
  --mt-lockup-overhang: 0.25;
  background: var(--mt-graphite-950);
  color: var(--mt-graphite-300);
  padding: var(--mt-footer-pad-top) 0 48px;
  position: relative;
  overflow: hidden;
}

.site-footer__inner {
  width: var(--mt-page);
  margin-inline: auto;
  display: grid;
  gap: var(--mt-space-8);
  position: relative;
  z-index: 1;
}

@media (min-width: 800px) {
  .site-footer__inner {
    grid-template-columns: auto 1fr;
    align-items: start;
  }

  .site-footer__inner > div {
    padding-top: calc(var(--mt-lockup-h) * var(--mt-lockup-overhang));
  }
}

.site-footer .brand {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.site-footer .brand-lockup {
  height: var(--mt-lockup-h);
}

.site-footer .brand-tagline {
  margin-top: calc(-1 * var(--mt-lockup-h) * var(--mt-lockup-overhang));
  color: var(--mt-graphite-300);
}

.brand-tagline {
  font-family: var(--mt-font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.45;
}

.site-footer .muted,
.site-footer p {
  color: var(--mt-graphite-300);
  max-width: 40em;
}

.site-footer a {
  color: var(--mt-white);
}

.button {
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--mt-radius-sm);
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.16s, background 0.16s, border-color 0.16s, transform 0.16s;
  display: inline-flex;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--mt-white);
  background: var(--mt-teal-700);
}

.button-primary:hover:not(:disabled) {
  background: var(--mt-teal-900);
  color: var(--mt-white);
}

.button-secondary {
  color: var(--mt-graphite-900);
  border-color: var(--mt-graphite-300);
  background: var(--mt-white);
}

.button-secondary:hover {
  border-color: var(--mt-graphite-900);
  color: var(--mt-graphite-900);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
}

.chip {
  font-family: var(--mt-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--mt-graphite-900);
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-200);
  border-radius: 3px;
  padding: 6px 10px;
}

.chip--accent {
  color: var(--mt-teal-900);
  background: var(--mt-teal-100);
  border-color: transparent;
}

.status-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  margin: 32px 0 0;
  padding: 20px 24px;
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-300);
  border-left: 4px solid var(--mt-teal-700);
}

.status-banner strong {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.status-banner span {
  color: var(--mt-graphite-700);
  font-size: 15px;
  font-weight: 400;
}

.tool-slot {
  margin-top: 24px;
  padding: 28px;
  background: var(--mt-white);
  border: 1px dashed var(--mt-graphite-300);
  border-radius: var(--mt-radius-md);
}

.tool-slot h3 {
  margin-bottom: 8px;
}

.tool-slot .chip {
  margin-top: 16px;
}

.panel {
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-200);
  border-radius: var(--mt-radius-md);
  padding: 28px;
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.index-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  border-top: 1px solid var(--mt-graphite-300);
}

.index-list > li {
  margin: 0;
  border-bottom: 1px solid var(--mt-graphite-200);
}

.index-list a {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  column-gap: 24px;
  align-items: start;
  padding: 28px 0;
  color: var(--mt-graphite-900);
  text-decoration: none;
}

.index-list__visual {
  margin: 0;
  width: 96px;
  aspect-ratio: 1;
  border-radius: var(--mt-radius-sm);
  overflow: hidden;
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-200);
}

.index-list__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.index-list__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.index-list__domain {
  color: var(--mt-teal-700);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.index-list a ul {
  list-style: disc;
  margin: 0;
  padding: 0 0 0 1.25em;
  width: 100%;
}

.index-list a ul li {
  margin: 0;
  padding: 4px 0;
  border: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mt-graphite-900);
}

.index-list a:hover .index-list__domain {
  color: var(--mt-teal-900);
}

.facts {
  margin: 32px 0 0;
  border-top: 1px solid var(--mt-graphite-300);
}

.facts > div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--mt-graphite-200);
  font-size: 14px;
}

.facts dt {
  color: var(--mt-graphite-600);
  font-size: 12px;
}

.facts dd {
  margin: 0;
}

.quote {
  margin: 32px 0;
  padding: 24px 0;
}

.quote--hero {
  margin: 0;
  padding: 0;
}

.quote p {
  font-family: var(--mt-font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.03em;
  margin: 0;
}

.figure {
  margin: 32px 0;
}

.figure figcaption {
  margin-top: 12px;
  color: var(--mt-graphite-600);
  font-size: 12px;
  line-height: 1.7;
}

.principle-grid {
  border-top: 1px solid var(--mt-graphite-300);
  border-left: 1px solid var(--mt-graphite-300);
  display: grid;
}

.principle-card {
  border-right: 1px solid var(--mt-graphite-300);
  border-bottom: 1px solid var(--mt-graphite-300);
  min-height: 220px;
  padding: 28px;
  background: var(--mt-white);
}

.principle-card > span {
  color: var(--mt-teal-700);
  font-family: var(--mt-mono);
  font-size: 12px;
  font-weight: 700;
}

.principle-card p {
  color: var(--mt-graphite-600);
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
}

.split {
  display: grid;
  gap: 16px;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.article-list li {
  margin: 0;
  border-top: 1px solid var(--mt-graphite-200);
}

.article-list li:last-child {
  border-bottom: 1px solid var(--mt-graphite-200);
}

.article-list a {
  display: block;
  padding: 20px 0;
  color: var(--mt-graphite-900);
  text-decoration: none;
}

.article-list a:hover {
  color: var(--mt-teal-700);
}

.article-list small {
  display: block;
  margin-top: 6px;
  color: var(--mt-graphite-600);
  font-size: 13px;
  font-weight: 400;
}

.topic-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--mt-graphite-200);
}

.topic-list li {
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--mt-graphite-200);
  font-size: 15px;
}

.domain-copy {
  width: min(760px, 100%);
  margin-inline: auto;
}

.domain-tiles {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.wrap--narrow .domain-tiles {
  grid-template-columns: 1fr 1fr;
}

.domain-tiles > li {
  margin: 0;
}

.domain-tile {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-200);
  border-radius: var(--mt-radius-md);
  overflow: hidden;
}

.domain-tile img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--mt-warm-50);
}

.domain-tile figcaption {
  padding: 14px 16px 16px;
  font-size: 15px;
  line-height: 1.65;
  text-align: left;
  color: var(--mt-graphite-900);
}

.domain-tile:not(:has(img)) {
  justify-content: center;
  align-items: center;
}

.domain-tile:not(:has(img)) figcaption {
  text-align: center;
  width: 100%;
}

.insight {
  color: var(--mt-teal-700);
  font-weight: 700;
  margin: 24px 0 0;
}

.callout {
  font-weight: 700;
  margin: 0;
  padding: 28px 0;
  border-top: 1px solid var(--mt-graphite-300);
  border-bottom: 1px solid var(--mt-graphite-300);
}

.limit {
  background: var(--mt-white);
  border: 1px solid var(--mt-graphite-200);
  border-radius: var(--mt-radius-md);
  padding: 28px;
}

.limit + .limit {
  margin-top: 16px;
}

.limit h3 {
  font-size: 18px;
  margin: 0 0 12px;
}

.flow {
  font-family: var(--mt-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mt-graphite-700);
  margin: 20px 0;
}

@media (min-width: 640px) {
  .domain-tiles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 800px) {
  .principle-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .wrap--narrow .domain-tiles {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .split {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .domain-tiles {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 960px) {
  .principle-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    flex-wrap: wrap;
    min-height: 56px;
    padding-block: 8px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
  }

  .brand-lockup {
    height: 42px;
  }

  .site-footer {
    --mt-lockup-h: 47px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .index-list a {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 16px;
  }

  .index-list__visual {
    width: 72px;
  }

  .index-list__domain {
    font-size: 18px;
  }
}