/* Product portfolio. Uses the shared FlightAtom light-enterprise tokens. */
.decision-steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.decision-steps li { border-top: 2px solid var(--accent-line); padding-top: 24px; }
.decision-steps h3 { font-size: 1.2rem; line-height: 1.4; margin-bottom: 16px; }
.decision-outcome { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--radius); margin-top: 36px; padding: 28px; }
.decision-outcome .portfolio-kicker { margin-bottom: 12px; }
@media (max-width: 720px) {
  .decision-steps, .decision-outcome { grid-template-columns: 1fr; gap: 24px; }
  .decision-outcome { padding: 24px; }
}
.portfolio-shell { width: min(1232px, calc(100% - 48px)); margin-inline: auto; }
.portfolio-section { padding-block: 88px; }
.portfolio-kicker { font: 500 .875rem/1.5 var(--font-mono); color: var(--accent); letter-spacing: .045em; text-transform: uppercase; display: block; margin-bottom: 18px; }
.portfolio-heading { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: end; margin-bottom: 38px; }
.portfolio-heading h2 { max-width: 22ch; }
.portfolio-heading p { color: var(--ink-body); }
.portfolio-hero { padding-block: 54px 72px; border-bottom: 1px solid var(--line); }
.portfolio-hero .breadcrumb { margin: 0 0 38px; padding: 0; }
.portfolio-hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.portfolio-hero h1 { font-size: clamp(2.6rem, 4.2vw, 3.5rem); max-width: 20ch; line-height: 1.06; letter-spacing: -.045em; }
.portfolio-home .portfolio-hero h1 { font-size: clamp(2.5rem, 3.6vw, 3.25rem); max-width: none; font-weight: 650; }
.portfolio-lede { font-size: 1.125rem; line-height: 1.75; margin-top: 24px; }
.portfolio-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.portfolio-meta { display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 28px; color: var(--ink-muted); font-size: .875rem; }
.portfolio-frame { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--bg); overflow: hidden; box-shadow: var(--shadow-lg); }
.portfolio-frame img { width: 100%; height: auto; object-fit: contain; background: var(--bg-subtle); }
.portfolio-frame-portrait { width: min(100%, 340px); margin-inline: auto; }
.portfolio-frame figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 16px 20px; font-size: .875rem; line-height: 1.6; border-top: 1px solid var(--line); }
.portfolio-frame figcaption strong { color: var(--ink); }
.portfolio-frame figcaption span { color: var(--ink-muted); }
.portfolio-overview { background: var(--bg-subtle); border-bottom: 1px solid var(--line); }
.portfolio-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; padding-block: 30px; }
.portfolio-principles article + article { border-left: 1px solid var(--line-strong); padding-left: 36px; }
.portfolio-principles h2 { font-size: 1rem; margin-bottom: 6px; }
.portfolio-principles p { font-size: .9375rem; line-height: 1.6; }
.portfolio-nav { position: sticky; top: var(--nav-offset); z-index: 30; background: var(--bg); border-block: 1px solid var(--line); }
.portfolio-nav .portfolio-shell { display: flex; gap: 28px; overflow-x: auto; }
.portfolio-nav a { flex: 0 0 auto; padding: 18px 0; font-size: .875rem; font-weight: 600; color: var(--ink-body); }
.portfolio-nav a:hover { color: var(--accent); }
.portfolio-section[id] { scroll-margin-top: calc(var(--nav-offset) + 70px); }
.portfolio-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; }
.portfolio-filter[hidden] { display: none; }
.portfolio-filter button { padding: 10px 16px; color: var(--ink-body); background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-size: .875rem; }
.portfolio-filter button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: white; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.portfolio-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; color: var(--ink-body); background: var(--bg); transition: border-color .2s, box-shadow .2s, transform .2s; }
.portfolio-card:hover { transform: translateY(-3px); border-color: var(--accent-line); box-shadow: var(--shadow-md); color: var(--ink-body); }
.portfolio-card[hidden] { display: none; }
.portfolio-card-image { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-subtle); border-bottom: 1px solid var(--line); padding: 18px 18px 0; }
.portfolio-card-image img { width: 100%; height: 100%; object-fit: cover; object-position: top left; border: 1px solid var(--line); border-radius: 7px 7px 0 0; }
.portfolio-card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.portfolio-card-label { font: 500 .8125rem/1.5 var(--font-mono); color: var(--ink-muted); margin-bottom: 12px; }
.portfolio-card h3 { font-size: 1.45rem; margin-bottom: 8px; }
.portfolio-card p { font-size: 1rem; line-height: 1.65; margin-bottom: 22px; }
.portfolio-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; font-size: .875rem; color: var(--accent); font-weight: 600; }
.portfolio-chip { font-size: .8125rem; font-weight: 500; border: 1px solid var(--line); background: var(--bg-subtle); color: var(--ink-body); border-radius: 4px; padding: 4px 8px; }
.portfolio-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 36px; }
.portfolio-detail-grid article { padding-block: 25px; border-top: 1px solid var(--line-strong); }
.portfolio-detail-grid h3 { font-size: 1.125rem; line-height: 1.4; margin-bottom: 12px; }
.portfolio-detail-grid p { line-height: 1.75; }
.portfolio-workflow { display: grid; grid-template-columns: .7fr 1.3fr; gap: 64px; align-items: center; margin-top: 64px; }
.portfolio-workflow:nth-child(odd) { grid-template-columns: 1.3fr .7fr; }
.portfolio-workflow:nth-child(odd) .portfolio-workflow-copy { order: 2; }
.portfolio-workflow h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 20px; }
.portfolio-workflow p { margin-bottom: 20px; }
.portfolio-workflow .portfolio-frame { box-shadow: var(--shadow-md); }
.portfolio-expand { background: transparent; border: 0; padding: 0; width: 100%; display: block; cursor: zoom-in; }
.portfolio-ai { background: var(--bg-subtle); border-block: 1px solid var(--line); }
.portfolio-ai-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-ai-list article { padding: 28px; border: 1px solid var(--line-strong); background: var(--bg); border-radius: var(--radius); }
.portfolio-ai-list h3 { font-size: 1.15rem; margin-bottom: 14px; }
.portfolio-ai-list p { margin-bottom: 20px; }
.portfolio-ai-list a { font-weight: 600; }
.portfolio-boundary { border-left: 3px solid var(--accent); background: var(--bg-subtle); padding: 24px 28px; margin-top: 40px; }
.portfolio-boundary h3 { font-size: 1rem; margin-bottom: 10px; }
.portfolio-boundary p { max-width: 100ch; font-size: .9375rem; }
.portfolio-faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 64px; }
.portfolio-faq details { border-top: 1px solid var(--line-strong); padding: 22px 0; }
.portfolio-faq details:last-child { border-bottom: 1px solid var(--line-strong); }
.portfolio-faq summary { cursor: pointer; color: var(--ink); font-weight: 600; padding-right: 20px; }
.portfolio-faq details p { margin-top: 16px; line-height: 1.8; }
.portfolio-cta { padding-block: 64px; border-top: 1px solid var(--line); background: var(--bg-subtle); }
.portfolio-cta .portfolio-shell { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.portfolio-cta h2 { margin-bottom: 12px; }
.portfolio-lightbox { width: min(1500px, 96vw); max-width: 96vw; max-height: 94vh; padding: 56px 16px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); margin: auto; background: var(--bg); }
.portfolio-lightbox::backdrop { background: rgba(14, 27, 44, .75); }
.portfolio-lightbox img { width: 100%; max-height: 78vh; object-fit: contain; }
.portfolio-lightbox p { margin: 12px auto 0; text-align: center; font-size: .875rem; }
.portfolio-lightbox button { position: absolute; top: 12px; right: 16px; padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); font-size: .875rem; }
.portfolio-trust-link { display: inline-block; margin-top: 20px; font-weight: 600; }
@media (max-width: 1050px) {
  .portfolio-hero-grid { gap: 30px; grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-hero h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); }
  .portfolio-workflow, .portfolio-workflow:nth-child(odd) { gap: 32px; }
}
@media (max-width: 720px) {
  .portfolio-shell { width: calc(100% - 36px); }
  .portfolio-section { padding-block: 56px; }
  .portfolio-hero { padding-block: 32px 48px; }
  .portfolio-hero-grid, .portfolio-heading, .portfolio-grid, .portfolio-detail-grid, .portfolio-ai-list, .portfolio-faq, .portfolio-workflow, .portfolio-workflow:nth-child(odd) { grid-template-columns: 1fr; gap: 28px; }
  .portfolio-hero h1 { max-width: 20ch; }
  .portfolio-principles { grid-template-columns: 1fr; gap: 22px; }
  .portfolio-principles article + article { border-left: 0; border-top: 1px solid var(--line-strong); padding: 22px 0 0; }
  .portfolio-workflow:nth-child(odd) .portfolio-workflow-copy { order: 0; }
  .portfolio-workflow { margin-top: 44px; }
  .portfolio-detail-grid { gap: 0; }
  .portfolio-cta .portfolio-shell { align-items: flex-start; flex-direction: column; gap: 24px; }
  .portfolio-frame figcaption { flex-direction: column; gap: 4px; }
  .portfolio-actions .btn { flex: 1 1 auto; }
}