/* Portfolio shell for the latest standalone Scheduling case study. */
:root {
  --portfolio-heading: #0b1026;
  --portfolio-muted: #52617a;
  --portfolio-line: #deddd7;
  --portfolio-blue: #1855ef;
  --portfolio-display: 'Newsreader', Georgia, serif;
  --portfolio-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --portfolio-mono: 'Spline Sans Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -64px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--portfolio-heading);
  color: #fff;
  font: 500 14px var(--portfolio-sans);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 245, 241, .92);
  backdrop-filter: blur(14px);
}
.portfolio-shell {
  width: min(1100px, calc(100% - 40px));
  margin-inline: auto;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--portfolio-heading);
  font: 500 20px var(--portfolio-display);
  text-decoration: none;
}
.wordmark-logo { display: block; width: 22px; height: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links a {
  color: var(--portfolio-muted);
  font: 500 14px var(--portfolio-sans);
  text-decoration: none;
}
.nav-links a:hover { color: var(--portfolio-heading); }
.nav-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--portfolio-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, .82);
  color: var(--portfolio-heading);
  cursor: pointer;
}
.nav-menu-toggle .bar,
.nav-menu-toggle .bar::before,
.nav-menu-toggle .bar::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-menu-toggle .bar { position: relative; margin: auto; }
.nav-menu-toggle .bar::before,
.nav-menu-toggle .bar::after { content: ''; position: absolute; left: 0; }
.nav-menu-toggle .bar::before { top: -6px; }
.nav-menu-toggle .bar::after { top: 6px; }

.case-back-wrap { padding-top: clamp(28px, 5vw, 56px); }
.case-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--portfolio-muted);
  font: 500 12px var(--portfolio-mono);
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
}
.case-back:hover { color: var(--portfolio-blue); }
.case-back .arrow { transition: transform .18s ease; }
.case-back:hover .arrow { transform: translateX(-3px); }

main > .hero { padding-top: clamp(72px, 8vw, 104px); }

.hero .case-context-line {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 38px 0 0;
  color: var(--portfolio-blue);
  font: 500 11.5px/1.45 var(--portfolio-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero .case-context-line::before {
  content: none;
}
.hero .case-context-line + .facts { margin-top: 28px; }

.validation.validation--wide {
  max-width: none;
}

.validation-board {
  margin-top: 32px;
}

.sme-context {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--blue);
  color: #555a61;
  font-size: 15px;
}

.sme-context strong {
  color: var(--ink);
}

.next-case {
  margin-top: clamp(64px, 8vw, 104px);
  padding-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--portfolio-line);
}
.next-case a {
  display: grid;
  gap: 8px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: 18px;
  background: rgba(255, 255, 255, .62);
  color: #111827;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}
.next-case a:hover { background: #fff; transform: translateY(-2px); }
.next-case .label {
  color: #758094;
  font: 500 11px var(--portfolio-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.next-case .title {
  color: var(--portfolio-heading);
  font: 400 clamp(28px, 3.2vw, 40px)/1.08 var(--portfolio-display);
}
.next-case .desc {
  max-width: 58ch;
  color: var(--portfolio-muted);
  font: 400 15.5px/1.55 var(--portfolio-sans);
}
.next-case .cta {
  margin-top: 10px;
  color: var(--portfolio-blue);
  font: 600 14.5px var(--portfolio-sans);
}
.next-case .arrow { display: inline-block; transition: transform .2s ease; }
.next-case a:hover .arrow { transform: translateX(3px); }

footer.site-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(56px, 8vw, 96px);
  padding: 36px 0 48px;
  border-top: 1px solid var(--portfolio-line);
  color: var(--portfolio-muted);
  font: 400 13px var(--portfolio-sans);
}
footer.site-footer span:nth-child(2) { text-align: center; }
footer.site-footer span:last-child { text-align: right; }
footer.site-footer .sig {
  color: var(--portfolio-heading);
  font: italic 17px var(--portfolio-display);
}

.site-header a:focus-visible,
.site-header button:focus-visible,
.case-back:focus-visible,
.next-case a:focus-visible {
  outline: 2px solid var(--portfolio-blue);
  outline-offset: 3px;
}

@media (max-width: 820px) {
  body.menu-open { overflow: hidden; }
  .site-nav { position: relative; min-height: 64px; }
  .nav-menu-toggle { display: block; }
  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    z-index: 20;
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--portfolio-line);
    border-radius: 18px;
    background: rgba(246, 245, 241, .98);
    box-shadow: 0 24px 48px rgba(28, 22, 16, .14);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links a { display: block; min-height: 44px; padding: 12px 10px; }
  body.menu-open .nav-links { opacity: 1; pointer-events: auto; transform: translateY(0); }
  body.menu-open .nav-menu-toggle .bar { transform: rotate(45deg); }
  body.menu-open .nav-menu-toggle .bar::before { transform: translateY(6px) rotate(90deg); }
  body.menu-open .nav-menu-toggle .bar::after { opacity: 0; }
}

@media (max-width: 680px) {
  .portfolio-shell { width: min(100% - 24px, 1100px); }
  main > .hero { padding-top: 56px; }
  footer.site-footer { grid-template-columns: 1fr; gap: 9px; }
  footer.site-footer span,
  footer.site-footer span:nth-child(2),
  footer.site-footer span:last-child { text-align: left; }
}