.page-shell { padding: 44px 0 48px; }
.home-page { padding-top: 36px; }

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, 1.1fr);
  align-items: end;
  gap: 48px;
  padding-bottom: 38px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: .9rem;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.muted { color: var(--muted); }

.public-mark {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 7px 11px;
  color: var(--accent-ink);
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.display-title {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.65rem, 5.3vw, 5rem);
  letter-spacing: -.045em;
  line-height: .99;
  text-transform: uppercase;
}

.home-hero .display-title { max-width: 14ch; }
.home-hero .hero-lead,
.case-hero .hero-lead {
  padding-left: 18px;
  border-left: 3px solid var(--accent);
}

.hero-lead {
  max-width: 49ch;
  margin: 0;
  font-size: clamp(1.2rem, 1.9vw, 1.75rem);
  line-height: 1.42;
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.fact-strip p { margin-bottom: 0; }
.fact-strip .eyebrow { margin-bottom: 7px; }

.rule-section {
  padding: 30px 0;
  border-top: 1px solid var(--rule);
}
.fact-strip + .rule-section { border-top: 0; }
.fact-strip + .system-list,
.fact-strip + section > .system-list,
.fact-strip + .policy-list { border-top: 0; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, 1.1fr);
  align-items: start;
  gap: 48px;
  margin-bottom: 24px;
}
.section-head h2 { margin: 0; }
.section-head > p,
.section-head-side > p { max-width: 38ch; margin: 0; color: var(--muted); text-align: left; }
.section-head-side { display: grid; justify-items: start; gap: 4px; }

.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.home-work-grid {
  padding-top: 22px;
  border-top: 3px solid var(--ink);
}
.home-work-grid .editorial-block {
  padding-top: 0;
  border-top: 0;
}

.selected-systems { scroll-margin-top: 24px; }
.selected-systems > .section-head .public-mark { margin-bottom: 6px; }
.systems-decisions {
  padding-top: 30px;
  border-top: 1px solid var(--rule);
}
.decisions-grid {
  padding-top: 22px;
  border-top: 3px solid var(--ink);
}
.decisions-grid .editorial-block {
  padding-top: 0;
  border-top: 0;
}

.editorial-block {
  min-width: 0;
  padding: 22px 0 0;
  border-top: 3px solid var(--ink);
}
.editorial-block .eyebrow { color: var(--muted); }
.editorial-block h2,
.editorial-block h3 { margin: 0 0 20px; }
.editorial-block > h2 { font-size: clamp(1.25rem, 1.7vw, 1.6rem); }
.editorial-block p:last-child,
.editorial-block ul:last-child { margin-bottom: 0; }

.cta-row {
  display: grid;
  grid-template-columns: minmax(150px, .7fr) minmax(280px, 1.5fr) auto;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
}
.cta-row .eyebrow,
.cta-description { margin: 0; }
.cta-description { max-width: 46ch; color: var(--muted); }
.link-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 6px 20px; }

.system-list { margin: 0; padding: 0; border-top: 1px solid var(--rule); list-style: none; }
.system-item { margin: 0; padding: 0; }
.system-row {
  min-height: 112px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 28px;
  align-items: start;
  gap: 24px;
  padding: 21px 0;
  color: inherit;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.system-copy {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(280px, 1fr);
  gap: 9px 30px;
}
.system-copy h3,
.system-copy p { margin: 0; }
.system-title { font-size: clamp(1.45rem, 2.2vw, 2.25rem); line-height: 1.08; }
.system-summary { color: var(--muted); }
.system-tech { grid-column: 1 / -1; color: var(--muted); font-size: .82rem; letter-spacing: .06em; }
.system-arrow { justify-self: end; font-size: 1.25rem; }
.system-row:hover .system-title { color: var(--accent); }
.system-row:focus-visible { outline-offset: 6px; }
.system-item:last-child .system-row { border-bottom: 0; }

.qa-list { border-top: 1px solid var(--rule); }
.qa-list article {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr);
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}
.qa-list h3,
.qa-list p { margin: 0; }
.qa-list p { max-width: 74ch; }
.qa-list article:last-child { border-bottom: 0; }

.timeline { border-top: 1px solid var(--rule); }
.timeline article {
  display: grid;
  grid-template-columns: minmax(190px, .52fr) minmax(0, 1.48fr);
  gap: 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
}
.timeline-period { margin: 0; color: var(--muted); }
.timeline h3 { margin: 0 0 14px; }
.timeline .plain-list { max-width: 88ch; }
.timeline article:last-child { border-bottom: 0; }

.download-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  padding: 10px 15px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 4px;
  text-decoration: none;
}
.download-button:hover { background: var(--accent); border-color: var(--accent); }

.compact-columns p { margin-bottom: 4px; }
.cv-education-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, .75fr);
  gap: 56px;
  padding-bottom: 30px;
}
.contact-form { min-width: 0; }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; margin-bottom: 8px; }
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--field);
  border: 1px solid var(--control-rule);
  border-radius: 8px;
}
.form-field textarea { min-height: 170px; resize: vertical; }
.form-field input:focus-visible,
.form-field textarea:focus-visible { outline-offset: 2px; }
.submit-button {
  min-height: 46px;
  padding: 10px 18px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
}
.submit-button:hover { background: var(--accent); border-color: var(--accent); }
.contact-actions { justify-content: flex-start; }
.profiles-block { margin-top: 32px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Policy and site notes */
.policy-list { border-top: 1px solid var(--rule); }
.policy-section { padding: 26px 0; border-bottom: 1px solid var(--rule); }
.policy-section h2 { margin-bottom: 18px; }
.policy-section > * { max-width: 86ch; }
.policy-section:last-child { border-bottom: 0; }

.detail-folds { border-top: 1px solid var(--rule); }
.detail-fold { border-bottom: 1px solid var(--rule); }
.detail-fold summary {
  min-height: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}
.detail-fold summary::-webkit-details-marker { display: none; }
.detail-fold summary::after { content: "+"; font-size: 1.5rem; }
.detail-fold[open] summary::after { content: "−"; }
.detail-fold:last-child { border-bottom: 0; }
.fold-title { display: block; font-size: 1.25rem; }
.fold-hint { display: block; margin-top: 3px; color: var(--muted); }
.fold-body { max-width: 92ch; padding: 0 0 24px; }

.notfound-shell { padding: 64px 0 84px; }
.notfound-code { font-size: clamp(5rem, 15vw, 12rem); line-height: .85; letter-spacing: -.06em; }
.notfound-text { max-width: 38ch; margin: 28px 0; font-size: 1.4rem; }

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .page-hero,
  .timeline article,
  .qa-list article,
  .contact-grid { grid-template-columns: 1fr; }
  .page-hero { gap: 28px; }
  .system-copy { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .editorial-block { min-height: 0; }
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .section-head > p,
  .section-head-side > p { text-align: left; }
  .section-head-side { justify-items: start; }
  .decisions-grid { grid-template-columns: 1fr; }
  .home-work-grid .editorial-block + .editorial-block {
    padding-top: 22px;
    border-top: 1px solid var(--soft-rule);
  }
  .decisions-grid .editorial-block + .editorial-block {
    padding-top: 22px;
    border-top: 1px solid var(--soft-rule);
  }
}

@media (max-width: 700px) {
  .fact-strip { grid-template-columns: 1fr; gap: 18px; }
  .cta-row { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 18px; }
  .cta-description { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 520px) {
  .page-shell { padding: 34px 0 38px; }
  .page-hero { padding-bottom: 30px; }
  .display-title { font-size: clamp(2.35rem, 13vw, 3.5rem); }
  .hero-lead { font-size: 1.12rem; }
  .grid-2,
  .grid-4 { grid-template-columns: 1fr; }
  .cta-row { grid-template-columns: 1fr; align-items: start; }
  .cta-description { grid-column: auto; grid-row: auto; }
  .link-actions { justify-content: flex-start; }
  .system-row { grid-template-columns: 34px minmax(0, 1fr) 18px; gap: 12px; }
  .system-title { font-size: 1.45rem; }
  .system-tech { font-size: .74rem; overflow-wrap: anywhere; }
}