/* Values follow the existing product designs. Accent text uses darker shades
   where the original orange or lavender would lose contrast on pale surfaces. */
.sky-case {
  --case-paper: #f5f7fa; --case-ink: #172033; --case-muted: #5e687b;
  --case-accent: #1769d2; --case-accent-strong: #0f57b8;
  --case-line: #dfe5ee; --case-tint: #e7effb; --case-hero: #edf4ff;
}
.koto-case {
  --case-paper: #f4f3f1; --case-ink: #161616; --case-muted: #64615d;
  --case-accent: #c5161d; --case-accent-strong: #a91017;
  --case-line: #d9d6d1; --case-tint: #f8e7e6; --case-hero: #f4f3f1;
}
.kiosk-redesign {
  --case-paper: #fff9ed; --case-ink: #21160b; --case-muted: #6b5a49;
  --case-accent: #9c4b00; --case-accent-strong: #793900;
  --case-line: #eadfce; --case-tint: #ffedc4; --case-hero: #ffe2a0;
}
.ii-page {
  --case-paper: #f8f6fc; --case-ink: #241d35; --case-muted: #696176;
  --case-accent: #694ac7; --case-accent-strong: #5038ad;
  --case-line: #e1daed; --case-tint: #eee7fa; --case-hero: #eee7fb;
}
/* Shared editorial structure; each product owns its palette. */
:is(.sky-case, .koto-case, .kiosk-redesign, .ii-page) {
  --case-shell: min(1400px, calc(100% - clamp(40px, 8vw, 128px)));
  --case-nav-accent: var(--case-accent);
  --sky-accent: var(--case-accent);
  --sky-accent-strong: var(--case-accent-strong);
  --sky-ink: var(--case-ink);
  --sky-muted: var(--case-muted);
  --sky-canvas: var(--case-paper);
  --sky-surface: var(--case-paper);
  --sky-surface-raised: #fff;
  --sky-faint: var(--case-muted);
  --sky-tint: var(--case-tint);
  --sky-line: var(--case-line);
  --sky-shell: var(--case-shell);
  --ii2-ink: var(--case-ink);
  --ii2-paper: var(--case-paper);
  --ii2-muted: var(--case-muted);
  --ii2-lavender: var(--case-accent);
  --ii2-lavender-deep: var(--case-accent-strong);
  --ii2-line: var(--case-line);
  --ks-blue: var(--case-accent);
  --ks-ink: var(--case-ink);
  --ks-paper: var(--case-paper);
  --ks-muted: var(--case-muted);
  --ks-line: var(--case-line);
  background: var(--case-paper);
  color: var(--case-ink);
}
.koto-v2 {
  --red: var(--case-accent);
  --ink: var(--case-ink);
  --muted: var(--case-muted);
  --line: var(--case-line);
  --paper: var(--case-paper);
  --shell: var(--case-shell);
}
:is(.sky-shell, .k2-shell, .ks2-shell), .ii-page .container, .ii-page .ii-section--prototype .container {
  width: var(--case-shell);
}
:is(.sky-hero, .k2-hero, .ks2-hero, .ii-hero) {
  min-height: 0;
  padding: clamp(128px, 12vw, 176px) 0 80px;
  background: var(--case-hero);
  color: var(--case-ink);
}
:is(.sky-hero__grid, .k2-hero__grid, .ks2-hero__grid, .ii-hero__grid) {
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: end;
  gap: clamp(32px, 6vw, 88px);
  padding-top: 0;
}
:is(.sky-hero, .k2-hero, .ks2-hero, .ii-hero) h1 {
  max-width: 12ch;
  margin: 0;
  color: var(--case-ink);
  font-size: clamp(56px, 6vw, 92px);
  font-weight: 500;
  line-height: 1.01;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.ii-hero h1 { font-size: clamp(52px, 5.2vw, 80px); }
:is(.sky-eyebrow, .k2-kicker, .ks2-kicker, .ii-kicker) {
  margin: 0 0 28px;
  color: var(--case-accent) !important;
  font-size: 12px !important;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .09em;
  text-transform: uppercase;
}
:is(.sky-hero__lede, .ks2-lede, .ii-hero__lede),
.k2-hero__copy > p:not(.k2-kicker) {
  max-width: 38ch;
  margin: 28px 0 0;
  color: var(--case-muted);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.6;
}
:is(.sky-hero__visual, .k2-hero__visual, .ks2-hero__media, .ii-hero__visual) {
  margin: 0;
  padding-bottom: 18px;
  transform: none;
}
:is(.sky-hero__visual, .k2-hero__visual, .ks2-hero__media, .ii-hero__visual) img {
  width: 100%;
  height: auto;
  border-radius: 0;
  filter: none;
  box-shadow: none;
  transform: none;
}
.ii-hero__visual:hover { transform: none; }
:is(.k2-hero, .k2-hero__visual, .k2-section--impact, .k2-quote-section)::before,
:is(.k2-hero, .k2-quote-section)::after { display: none; }
:is(.sky-button, .k2-button, .ks2-button, .ii-hero-prototype-cta) {
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--case-ink);
  border-radius: 4px;
  background: var(--case-ink);
  box-shadow: none;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
:is(.k2-button, .ks2-button) { margin-top: 30px; }
:is(.sky-button, .k2-button, .ks2-button, .ii-hero-prototype-cta):hover {
  border-color: var(--case-accent);
  background: var(--case-accent);
  color: #fff;
  box-shadow: none;
}
:is(.sky-project-summary, .k2-summary, .ks2-summary) {
  border-block: 1px solid var(--case-line);
  background: var(--case-paper);
}
:is(.sky-proof__item, .k2-proof > div, .ks2-proof > div) {
  min-height: 0;
  padding-block: 36px;
}
:is(.sky-proof__item, .k2-proof, .ks2-proof) strong {
  color: var(--case-ink);
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 500;
}
:is(.sky-section, .k2-section, .ks2-section, .ii-section) {
  padding-block: clamp(80px, 9vw, 136px);
  scroll-margin-top: 90px;
}
:is(.sky-section__intro, .k2-intro, .ks2-intro) {
  max-width: none;
  margin-bottom: 64px;
}
:is(.sky-section__intro, .k2-intro, .ks2-intro) h2,
.ii-section h2, .k2-decision h2 {
  max-width: 20ch;
  color: var(--case-ink);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.04em;
  text-wrap: balance;
}
:is(.sky-section__intro, .k2-intro, .ks2-intro) > p:not(.k2-kicker) {
  max-width: 60ch;
  color: var(--case-muted);
  font-size: 18px;
  line-height: 1.65;
}
:is(.k2-section--problem, .k2-section--decision, .k2-section--impact,
.ks2-problem, .ks2-principles, .ks2-iterations, .ks2-solution) {
  background: var(--case-paper);
  color: var(--case-ink);
}
.k2-section--decision, .ks2-principles {
  border-block: 1px solid var(--case-line);
}
.k2-decision h2, .ks2-principles .ks2-intro h2,
.ks2-principle-grid article:not(.ks2-principle-grid__lead) h3 {
  color: var(--case-ink);
}
.k2-decision dd, .ks2-principles .ks2-intro p, .ks2-principle-grid p,
.ks2-principle-grid__lead p { color: var(--case-muted); }
.k2-decision dt, .k2-decision__line { color: var(--case-accent); }
.k2-decision dl > div { border-color: var(--case-line); }
.ks2-principle-grid { gap: 0; border-top: 1px solid var(--case-line); }
.ks2-principle-grid article, .ks2-principle-grid__lead {
  border-radius: 0;
  border-bottom: 1px solid var(--case-line);
  background: transparent !important;
  color: var(--case-ink);
}
.ks2-principle-grid__lead { border-right: 1px solid var(--case-line); }
.ks2-principle-grid__lead strong { color: var(--case-accent); }
.ks2-compare img, .ks2-screen-strip img, .k2-section--iteration img { filter: none; }
.ks2-impact-grid__after { background: var(--case-tint); }
.ks2-impact-arrow path { stroke: var(--case-accent); }
:is(.k2-quote-section, .ks2-quote) {
  padding-block: clamp(80px, 10vw, 144px);
  border-top: 1px solid var(--case-line);
  background: var(--case-paper);
}
.k2-closing, .ks2-quote blockquote {
  max-width: 20ch;
  margin-left: 0;
  color: var(--case-ink);
  text-align: left;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 1.06;
}
.ii-meta { margin-top: 64px; border-color: var(--case-line); }
.ii-meta__label, .k2-snapshot span, .ks2-snapshot dt { color: var(--case-muted); }
.ii-meta__value { color: var(--case-ink); }
.ii-hero-card {
  margin-top: 32px;
  padding: 48px 0 0;
  border: 0;
  border-top: 1px solid var(--case-line);
  border-radius: 0;
  background: transparent;
}
.ii-hero-card__content { grid-template-columns: .55fr 1fr 1fr; }
.ii-chip { color: var(--case-accent); }
.ii-hero-card h2 { max-width: 12ch; color: var(--case-ink); }
.ii-hero-card p { color: var(--case-muted); }
.ii-section--editorial, .ii-section--final-prototype { background: var(--case-paper) !important; }
#ii-decisions, #ii-outcome { background: var(--case-paper); color: var(--case-ink); }
#ii-decisions .ii-card, #ii-decisions .ii-card:first-child {
  border: 1px solid var(--case-line);
  border-radius: 0;
  background: transparent;
}
#ii-decisions h2, #ii-decisions .ii-card h3, #ii-decisions .ii-card:first-child h3,
.ii-outcome h2 { color: var(--case-ink); }
#ii-decisions .ii-card p, #ii-decisions .ii-card:first-child p,
#ii-decisions .ii-section__intro, .ii-outcome p { color: var(--case-muted); }
#ii-decisions .ii-decision__index, #ii-decisions .ii-card:first-child .ii-decision__index {
  color: var(--case-accent);
}
.ii-prototype-showcase, .ii-snapshot-comparison figure, .ii-comparison {
  border-radius: 4px;
  box-shadow: none;
}
.ii-prototype__label, .ii-prototype__label--final,
.ii-comparison__row:first-child > div { background: var(--case-tint); color: var(--case-ink); }
.ii-opportunity-card { box-shadow: none; }
:is(.sky-media, .k2-media, .ks2-media, .ks2-compare) figcaption,
.ii-hero__visual figcaption { color: var(--case-muted); text-align: left; }
@media (min-width: 1024px) {
  .sky-section__intro {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .75fr);
    align-items: end;
    gap: 8%;
  }
  .sky-section__intro h2 { margin-bottom: 0; }
}
@media (max-width: 1023px) {
  :is(.sky-hero__grid, .k2-hero__grid, .ks2-hero__grid, .ii-hero__grid) {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  :is(.sky-hero, .k2-hero, .ks2-hero, .ii-hero) h1 { max-width: 15ch; }
  :is(.sky-hero__visual, .k2-hero__visual, .ks2-hero__media, .ii-hero__visual) {
    width: min(100%, 820px);
    margin-left: auto;
    padding-bottom: 0;
  }
  .ii-hero-card__content { grid-template-columns: 1fr 1.3fr; }
  .ii-hero-card__content .ii-chip { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  :is(.sky-hero, .k2-hero, .ks2-hero, .ii-hero) { padding: 116px 0 48px; }
  :is(.sky-hero, .k2-hero, .ks2-hero, .ii-hero) h1 {
    font-size: clamp(44px, 11vw, 68px);
    line-height: 1.04;
  }
  :is(.sky-section__intro, .k2-intro, .ks2-intro) { margin-bottom: 40px; }
  .ii-hero-card__content { grid-template-columns: 1fr; }
  .ii-hero-card__content .ii-chip { grid-column: auto; }
  .ks2-principle-grid__lead { border-right: 0; }
  .ii-meta { margin-top: 40px; }
  :is(.sky-proof__item, .k2-proof > div, .ks2-proof > div) { padding-block: 24px; }
}

/* Supporting surfaces use the current product palette. */
.sky-section--decision, .sky-section--impact { background: var(--case-tint); }
.sky-decision__logic > div, .sky-results { border-color: var(--case-line); }
.k2-principles article:hover { background: var(--case-tint); }
:is(.sky-hero__grid, .k2-hero__grid, .ks2-hero__grid, .ii-hero__grid,
.ii-hero-card__content) > * { min-width: 0; }

@media (max-width: 767px) {
  /* The comparison needs room for both values at narrow phone widths. */
  .ks2-impact-grid { grid-template-columns: minmax(0, 1fr); }
  .ks2-impact-grid article { min-height: 0; padding: 28px 24px; }
  .ks2-impact-arrow { width: 72px; padding: 24px 0; margin-inline: auto; transform: rotate(90deg); }
  .ks2-impact-grid article:last-child { grid-column: auto; }
  .ks2-principle-grid article { padding: 28px 20px; }
  .ks2-principle-grid__lead { min-height: 240px; }
  .ks2-principle-grid__lead strong { font-size: clamp(40px, 11vw, 64px); }
  .k2-proof { grid-template-columns: minmax(0, 1fr); }
  .k2-proof > div { padding-inline: 0; border-left: 0; }
}

.case-continuation { width: var(--case-shell); margin: 0 auto; padding: 56px 0; border-top: 1px solid var(--case-line); display: flex; flex-wrap: wrap; align-items: center; gap: 24px 48px; }
.case-continuation p { flex-basis: 100%; margin: 0; color: var(--case-muted); font-size: 12px; letter-spacing: .09em; text-transform: uppercase; }
.case-continuation a { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 48px; padding: 8px 0; border-bottom: 1px solid var(--case-line); color: var(--case-ink); font-size: clamp(22px, 2.5vw, 32px); line-height: 1.2; text-decoration: none; }
.case-continuation a:hover { color: var(--case-accent); border-color: currentColor; }
.case-continuation a:focus-visible { outline: 3px solid var(--case-accent); outline-offset: 6px; }
@media(max-width: 767px) { .case-continuation { padding-block: 40px; gap: 20px; } .case-continuation a { width: 100%; } }

/* Project identity carries through actions, emphasis, and the closing frame. */
:is(.sky-button, .k2-button, .ks2-button, .ii-hero-prototype-cta) {
  background: var(--case-accent); border-color: var(--case-accent);
}
:is(.sky-button, .k2-button, .ks2-button, .ii-hero-prototype-cta):hover {
  background: var(--case-accent-strong); border-color: var(--case-accent-strong);
}
.k2-section--decision, .ks2-principles, #ii-decisions { background: var(--case-tint); }
.k2-hero { border-bottom: 4px solid var(--case-accent); }
:is(.sky-case,.koto-case,.kiosk-redesign,.ii-page) .site-footer {
  background: var(--case-paper); border-color: var(--case-line);
}
:is(.sky-case,.koto-case,.kiosk-redesign,.ii-page) :focus-visible {
  outline-color: var(--case-accent);
}

.ii-page .ii-hero-prototype-cta { background: var(--case-accent); border-color: var(--case-accent); }
.ii-page .ii-hero-prototype-cta:hover { background: var(--case-accent-strong); border-color: var(--case-accent-strong); }
.ii-page .ii-hero__visual figcaption { color: var(--case-muted); }