/* One SDLC guide, using the portfolio's shared light/dark tokens. */
.sdlc-guide { width: var(--home-content-width); max-width: 1600px; margin: 0 auto; padding: 32px 0 48px; color: var(--home-text); font: 14px/1.7 'Manrope', sans-serif; }
.sdlc-guide * { box-sizing: border-box; }
.sdlc-guide [hidden] { display: none !important; }
.sdlc-guide :is(h1,h2,h3,h4,p,ol,ul,pre,dl) { margin-top: 0; }
.sdlc-guide :is(h1,h2,h3,h4) { color: var(--home-text); text-transform: none; font-family: 'Manrope', sans-serif; }
.sdlc-guide h1 { font-size: clamp(30px, 3.5vw, 54px); font-weight: 800; line-height: 1.15; letter-spacing: -1.6px; margin: 14px 0; }
.sdlc-guide p { margin-bottom: 14px; }
#section-qa-workflow .sdlc-guide a { color: var(--home-accent); }
.sdlc-topline { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; font-size: 12px; }
.sdlc-lead { color: var(--home-muted); font-size: 15px; max-width: 1000px; }
.sdlc-context { font-size: 13px; color: var(--home-muted); max-width: 1100px; }
.sdlc-context strong { color: var(--home-text); }
.sdlc-page-intro { padding-bottom: 8px; border-bottom: 1px solid var(--home-line); }
.sdlc-process { margin: 20px 0 0; }
.sdlc-phase-tabs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin: 0 0 16px; scroll-margin-top: calc(var(--home-header-height) + 16px); }
.sdlc-guide .sdlc-phase-tab { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 0; min-height: 78px; padding: 12px; border: 1px solid var(--home-line); border-radius: 8px; background: var(--home-surface); color: var(--home-muted); font: 600 13px/1.4 'Manrope', sans-serif; text-align: left; cursor: pointer; }
.sdlc-phase-tab span { font: 500 11px/1.4 'IBM Plex Mono', monospace; }
.sdlc-guide .sdlc-phase-tab:hover { border-color: var(--home-accent); }
.sdlc-guide .sdlc-phase-tab[aria-selected="true"] { color: var(--home-accent); border-color: var(--home-accent); background: var(--home-tint); box-shadow: inset 0 -3px var(--home-accent); }
/* Override the legacy template's !important focus reset within this guide only. */
.sdlc-guide :is(button, a, summary, [tabindex]):focus-visible { outline: 2px solid var(--home-accent) !important; outline-offset: 3px; }
.sdlc-phase { scroll-margin-top: calc(var(--home-header-height) + 16px); border: 1px solid var(--home-line); border-radius: 12px; background: var(--home-surface); padding: 22px; }
.sdlc-phase-header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: 16px; }
.sdlc-phase-header h2 { flex: 1 1 250px; font-size: 21px; line-height: 1.4; font-weight: 700; letter-spacing: -.4px; margin-bottom: 0; }
.sdlc-phase-position { color: var(--home-accent); font: 500 12px/1.5 'IBM Plex Mono', monospace; }
.sdlc-perspective-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding-bottom: 14px; margin-bottom: 18px; border-bottom: 1px solid var(--home-line); }
.sdlc-perspective-tabs button { min-height: 44px; padding: 9px 16px; border: 1px solid transparent; border-radius: 6px; color: var(--home-muted); background: transparent; font: 650 13px/1.4 'Manrope', sans-serif; cursor: pointer; }
.sdlc-perspective-tabs button[aria-selected="true"] { color: var(--home-accent); background: var(--home-tint); border-color: var(--home-line); }
.sdlc-perspective-tabs button:hover { color: var(--home-accent); }
.sdlc-view { min-width: 0; scroll-margin-top: calc(var(--home-header-height) + 16px); }
.sdlc-view-heading { font-size: 18px; margin-bottom: 16px; }
.sdlc-interactive .sdlc-view-heading { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.sdlc-detail-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; margin: 0; }
.sdlc-field { min-width: 0; grid-column: span 2; }
.sdlc-field dt { color: var(--home-muted); font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.sdlc-field dd { margin: 0; font-size: 14px; line-height: 1.7; }
.sdlc-field dd p, .sdlc-field dd ul { margin-bottom: 0; }
.sdlc-field dd ul { padding-left: 18px; }
.sdlc-field li + li { margin-top: 6px; }
.sdlc-field--activities, .sdlc-field--qa, .sdlc-field--team { grid-column: span 3; border-top: 1px solid var(--home-line); padding-top: 16px; }
.sdlc-field--qa dt { color: var(--home-accent); }
.sdlc-field--output { grid-column: 1 / -1; padding: 12px 16px; border-radius: 8px; background: var(--home-tint); }
.sdlc-field--output dt { color: var(--home-accent); }
.sdlc-field--happens { grid-column: 1 / -1; }
.sdlc-example-context { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: baseline; padding-left: 12px; border-left: 3px solid var(--home-accent); }
.sdlc-example-context strong { color: var(--home-accent); font-size: 13px; }
.sdlc-example-context span { color: var(--home-muted); font-size: 12px; }
.sdlc-example-grid { margin-bottom: 20px; }
.sdlc-example-result { margin: 20px 0 0; }
.sdlc-artifact { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--home-line); }
.sdlc-artifact h4, .sdlc-view details h4 { font-size: 14px; font-weight: 700; margin: 0 0 10px; }
.sdlc-artifact > :last-child { margin-bottom: 0; }
.sdlc-criteria { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 24px; list-style: none; padding: 0; }
.sdlc-criteria li { display: flex; gap: 10px; }
.sdlc-criteria strong { white-space: nowrap; color: var(--home-accent); font-size: 12px; padding-top: 2px; }
.sdlc-design-flow { padding-left: 20px; }
.sdlc-design-flow li { margin-bottom: 6px; }
.sdlc-muted { color: var(--home-muted); font-size: 13px; }
.sdlc-table-wrap { overflow-x: auto; border: 1px solid var(--home-line); border-radius: 8px; }
.sdlc-guide table { width: 100%; min-width: 580px; border-collapse: collapse; font-size: 13px; margin: 0; }
.sdlc-guide th { text-align: left; background: var(--home-tint); color: var(--home-text); }
.sdlc-guide :is(th,td) { padding: 10px 12px; border-bottom: 1px solid var(--home-line); vertical-align: top; }
.sdlc-guide tbody tr:last-child td { border-bottom: 0; }
.sdlc-guide details { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--home-line); }
.sdlc-guide summary { cursor: pointer; color: var(--home-accent); font-size: 14px; font-weight: 650; }
.sdlc-guide details > :not(summary) { margin-top: 14px; }
.sdlc-code { color: var(--home-text); background: var(--home-bg); border: 1px solid var(--home-line); border-radius: 8px; padding: 16px; overflow: auto; white-space: pre; font: 12px/1.8 'IBM Plex Mono', monospace; }
.sdlc-code code { color: inherit; background: transparent; padding: 0; font: inherit; }
.sdlc-guide .sdlc-conclusion { margin: 20px 0 0; font-size: 13px; color: var(--home-muted); }
.sdlc-static-nav { font-size: 13px; margin: 18px 0; }
.sdlc-interactive .sdlc-static-nav { display: none; }
.sdlc-process:not(.sdlc-interactive) .sdlc-phase + .sdlc-phase { margin-top: 20px; }
.sdlc-process:not(.sdlc-interactive) .sdlc-view + .sdlc-view { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--home-line); }
.sdlc-alias { display: block; scroll-margin-top: calc(var(--home-header-height) + 16px); }
@media (max-width: 1000px) {
  .sdlc-phase-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sdlc-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sdlc-field { grid-column: span 1; }
  .sdlc-field--purpose, .sdlc-field--output, .sdlc-field--happens { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .sdlc-guide { padding-top: 24px; }
  .sdlc-phase-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sdlc-guide .sdlc-phase-tab { min-height: 72px; }
  .sdlc-phase { padding: 16px; }
  .sdlc-detail-grid, .sdlc-criteria { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .sdlc-field { grid-column: 1; }
  .sdlc-perspective-tabs button { flex: 1; padding-inline: 8px; }
  .sdlc-code { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) { .sdlc-guide * { scroll-behavior: auto !important; transition: none !important; } }