/* Text is the visual material: no screenshots or simulated application UI. */
.skill-case,
.index-art--skill {
  --skill-accent: #3d7460;
  --skill-soft: #e9eee5;
  --skill-deep: #e4ece1;
  --skill-line: #cbd7cc;
  --skill-faint: #708677;
}
html[data-theme="dark"] .skill-case,
html[data-theme="dark"] .index-art--skill {
  --skill-accent: #81decd;
  --skill-soft: #29353e;
  --skill-deep: #24363c;
  --skill-line: #42575b;
  --skill-faint: #9aacb8;
}

/* Cover typography scales with the card, including narrow three-column views. */
.index-art.index-art--skill { background: var(--skill-deep); }
html[data-theme="dark"] .index-art.index-art--skill { background: var(--skill-deep); }
.skill-cover { position: absolute; inset: 0; container-type: inline-size; display: flex; flex-direction: column; justify-content: space-between; padding: 7% 7% 9%; color: var(--ink); }
.skill-cover-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; font: 8px/1.5 var(--mono); letter-spacing: .08em; color: var(--skill-accent); }
.skill-cover-label { font-size: 9px; letter-spacing: .12em; }
.skill-cover-terms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8%; }
.skill-cover-terms > div { min-width: 0; }
.skill-cover-number { display: block; font: 9px/1.5 var(--mono); color: var(--skill-faint); margin-bottom: 4px; }
.skill-cover-terms strong { display: block; white-space: nowrap; font-size: clamp(13px, 5.7cqw, 24px); font-weight: 570; line-height: 1.6; letter-spacing: -.04em; }
.skill-cover-rule { display: block; margin-top: 7px; height: 2px; width: 100%; background: var(--skill-line); }
.skill-cover-terms > div:first-child .skill-cover-rule { background: var(--skill-accent); }

/* The project keeps the surrounding portfolio's reading width and scale. */
.skill-case { max-width: 1120px; padding-bottom: 52px; }
.skill-case-intro { padding: 18px 0 38px; }
.skill-case-meta { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; line-height: 1.6; margin-bottom: 17px; }
.skill-type { font: 11px/1.5 var(--mono); letter-spacing: .07em; color: var(--skill-accent); padding: 3px 8px; border: 1px solid var(--skill-line); border-radius: 4px; }
.skill-case-intro h1 { margin: 0; font-size: clamp(30px, 3.2vw, 42px); line-height: 1.4; font-weight: 610; letter-spacing: -.8px; }
.skill-manifesto { display: flex; flex-wrap: wrap; column-gap: .25em; margin-top: 18px; font-size: clamp(19px, 2.1vw, 25px); line-height: 1.65; font-weight: 450; letter-spacing: -.35px; color: var(--skill-accent); }
.skill-manifesto > span { display: block; }
.skill-case-summary { max-width: 850px; color: var(--muted); font-size: 15px; line-height: 1.95; margin-top: 14px; }

/* Two open editorial columns, joined by rhythm and fine rules. */
.skill-pillars { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; border-top: 1px solid var(--line); }
.skill-pillar { min-width: 0; padding-top: 28px; scroll-margin-top: 110px; }
.skill-pillar-heading { min-height: 145px; padding-bottom: 22px; }
.skill-section-kicker { color: var(--skill-faint); font: 10px/1.6 var(--mono); letter-spacing: .06em; }
.skill-pillar h2 { font-size: 27px; line-height: 1.4; font-weight: 580; letter-spacing: -.6px; margin: 12px 0 11px; }
.skill-pillar-intro { max-width: 450px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.skill-capabilities { list-style: none; padding: 0; margin: 0; }
.skill-capabilities > li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 15px; padding: 19px 0 20px; border-top: 1px solid var(--line); min-height: 115px; }
.skill-item-number { padding-top: 4px; color: var(--skill-faint); font: 10px/1.6 var(--mono); }
.skill-capabilities h3 { font-size: 17px; line-height: 1.6; font-weight: 570; margin: 0 0 5px; letter-spacing: -.15px; }
.skill-capabilities p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.skill-pillar-note { padding: 15px 0 0 39px; margin: 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.9; }

/* One closing relation gives the capabilities a shared purpose. */
.skill-continuity { padding: 25px 28px 28px; margin-top: 36px; background: var(--skill-soft); border-radius: 9px; scroll-margin-top: 110px; }
.skill-continuity > h2 { color: var(--skill-accent); font-size: 13px; font-weight: 500; line-height: 1.7; letter-spacing: .04em; }
.skill-continuity-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; padding: 0; margin: 23px 0 0; list-style: none; }
.skill-continuity-steps > li { position: relative; display: flex; gap: 12px; min-width: 0; padding-right: 15px; }
.skill-bridge-number { flex: none; color: var(--skill-faint); font: 10px/1.6 var(--mono); padding-top: 5px; }
.skill-continuity h3 { font-size: 15px; font-weight: 550; line-height: 1.7; letter-spacing: -.1px; }
.skill-continuity p { margin-top: 5px; font-size: 12px; line-height: 1.85; color: var(--muted); }
.skill-bridge-arrow { position: absolute; right: -15px; top: 0; font-size: 20px; line-height: 1.4; font-weight: 350; color: var(--skill-accent); }

@media (max-width: 900px) {
  .skill-pillars { column-gap: 36px; }
  .skill-pillar-heading { min-height: 164px; }
  .skill-capabilities > li { min-height: 140px; gap: 10px; }
  .skill-pillar-note { padding-left: 34px; }
  .skill-continuity { padding: 23px; }
  .skill-continuity-steps { gap: 24px; }
  .skill-continuity-steps > li { display: block; }
  .skill-bridge-number { display: block; margin-bottom: 7px; padding: 0; }
  .skill-bridge-arrow { top: 24px; }
}
@media (max-width: 640px) {
  .skill-case { padding-bottom: 32px; }
  .skill-case-intro { padding: 12px 0 27px; }
  .skill-case-meta { font-size: 11px; margin-bottom: 14px; }
  .skill-case-intro h1 { font-size: 30px; letter-spacing: -.6px; }
  .skill-manifesto { display: block; margin-top: 15px; font-size: 21px; line-height: 1.6; }
  .skill-case-summary { font-size: 14px; line-height: 1.9; margin-top: 14px; }
  .skill-pillars { grid-template-columns: 1fr; row-gap: 28px; }
  .skill-pillar { padding-top: 24px; }
  .skill-pillar + .skill-pillar { border-top: 1px solid var(--line); }
  .skill-pillar-heading { min-height: 0; padding-bottom: 20px; }
  .skill-pillar h2 { font-size: 25px; margin: 10px 0; }
  .skill-pillar-intro { font-size: 14px; }
  .skill-section-kicker { font-size: 9px; }
  .skill-capabilities > li { min-height: 0; padding: 16px 0 18px; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; }
  .skill-capabilities h3 { font-size: 17px; }
  .skill-capabilities p { font-size: 14px; line-height: 1.85; }
  .skill-pillar-note { padding-left: 32px; }
  .skill-continuity { margin-top: 28px; padding: 21px 20px 22px; }
  .skill-continuity-steps { grid-template-columns: 1fr; gap: 31px; margin-top: 21px; }
  .skill-continuity-steps > li { display: flex; gap: 12px; padding: 0; }
  .skill-bridge-number { padding-top: 5px; margin: 0; }
  .skill-bridge-arrow { left: 30px; right: auto; top: auto; bottom: -25px; transform: rotate(90deg); font-size: 18px; }
  .skill-continuity p { font-size: 13px; }
}