/* /design-brief - full redesign (Aug 2026), founded on the same isun-* tokens
   and white/cream-canvas convention as about.css/partners.css rather than the
   old grey-bg + ui-card layout this page used before. */
body.page-design-brief main { background: #fff; }

.brief-ask { max-width: 1200px; margin: 0 auto; padding: var(--space-8) var(--space-6) var(--space-7); }

.brief-eyebrow {
  display: block;
  font: 700 var(--text-sm) var(--font-heading);
  letter-spacing: var(--tracking-eyebrow-wide);
  text-transform: uppercase;
  color: var(--isun-orange);
  margin: 0 0 var(--space-3);
}

.brief-heading {
  font: 600 clamp(2rem, 4vw, 2.65rem)/1.15 var(--font-heading);
  letter-spacing: -0.02em;
  color: var(--isun-ink);
  margin: 0 0 var(--space-6);
}

/* Floated, not a flex sibling, so admin-edited text long enough to wrap
   still flows as one block under the bar instead of splitting into
   jumbled side-by-side fragments. */
.brief-heading-bar {
  float: left;
  width: 7px;
  height: 0.85em;
  margin: 0.15em var(--space-3) 0 0;
  background: var(--isun-orange);
  border-radius: 3px;
}

.brief-primary-card {
  background: linear-gradient(100deg, var(--isun-orange), var(--isun-orange-deep));
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-7);
  color: #fff;
  box-shadow: 0 14px 34px rgba(240, 90, 34, 0.28);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.brief-primary-card.is-visible { opacity: 1; transform: translateY(0); }

.brief-primary-label {
  font: 700 var(--text-xs) var(--font-heading);
  letter-spacing: var(--tracking-eyebrow-wide);
  text-transform: uppercase;
  opacity: 0.9;
  margin: 0 0 var(--space-2);
}

.brief-primary-title {
  font: 800 clamp(1.4rem, 3vw, 1.9rem) var(--font-heading);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0;
}

.brief-ask-body {
  color: var(--isun-body);
  font-size: var(--text-md);
  line-height: 1.75;
  max-width: 900px;
  margin: var(--space-6) 0 var(--space-7);
}
.brief-ask-body strong { color: var(--isun-ink); font-weight: 600; }

.brief-subeyebrow {
  font: 700 var(--text-xs) var(--font-heading);
  letter-spacing: var(--tracking-eyebrow-wide);
  text-transform: uppercase;
  color: var(--isun-ink);
  margin: 0 0 var(--space-4);
}

.brief-objectives {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.brief-objectives.is-visible { opacity: 1; transform: translateY(0); }

.brief-objective-row {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--isun-cream);
  border: 1px solid var(--isun-line);
  border-left: 4px solid var(--isun-orange);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.brief-objective-row:hover,
.brief-objective-row:focus-visible {
  box-shadow: 0 14px 30px rgba(13, 16, 74, 0.12);
  transform: translateX(6px);
  border-left-color: var(--isun-orange-deep);
  outline: none;
}

.brief-objective-icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  border: 1.5px solid var(--isun-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--isun-orange);
  font-size: 1.1rem;
  transition: background 0.25s ease, color 0.25s ease;
}
.brief-objective-row:hover .brief-objective-icon,
.brief-objective-row:focus-visible .brief-objective-icon {
  background: var(--isun-orange);
  color: #fff;
}

.brief-objective-title {
  flex: 0 0 220px;
  font: 700 var(--text-md) var(--font-heading);
  color: var(--isun-ink);
  line-height: 1.35;
}

.brief-objective-divider {
  flex: none;
  align-self: stretch;
  width: 1px;
  background: var(--isun-line);
}

.brief-objective-body {
  position: relative;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--isun-body);
  font-style: italic;
  padding-right: var(--space-8);
}

.brief-objective-ghost {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font: 800 3rem var(--font-heading);
  color: rgba(13, 16, 74, 0.05);
  line-height: 1;
  pointer-events: none;
}

/* Challenge - cream full-bleed band, matching about.css's about-reasons pattern */
.brief-challenge { background: var(--isun-cream); padding: var(--space-8) 0; }
.brief-challenge-inner { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }

.brief-quote-card {
  background: linear-gradient(100deg, var(--isun-orange), var(--isun-orange-deep));
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-7);
  color: #fff;
  display: flex;
  gap: var(--space-5);
  box-shadow: 0 14px 34px rgba(240, 90, 34, 0.28);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.brief-quote-card.is-visible { opacity: 1; transform: translateY(0); }

.brief-quote-mark {
  flex: none;
  font: 800 4.5rem/0.7 Georgia, serif;
  opacity: 0.85;
}

.brief-quote-body {
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.8;
}
.brief-quote-body strong { font-weight: 700; }

.brief-challenge-intro {
  color: var(--isun-body);
  font-size: var(--text-md);
  line-height: 1.7;
  margin: var(--space-6) 0 var(--space-5);
}
.brief-challenge-intro strong { color: var(--isun-ink); font-weight: 600; }

.brief-sites {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.brief-sites.is-visible { opacity: 1; transform: translateY(0); }

.brief-site-card {
  position: relative;
  display: block;
  height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--isun-navy);
  border: 2px solid transparent;
  box-shadow: 0 8px 24px rgba(13, 16, 74, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.brief-site-card:hover,
.brief-site-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(13, 16, 74, 0.24);
  border-color: var(--isun-orange);
  outline: none;
}

.brief-site-media {
  position: absolute;
  inset: 64px 40px 108px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brief-site-flag { max-width: 100%; max-height: 100%; object-fit: contain; }

.brief-site-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 16, 74, 0.35) 0%, rgba(13, 16, 74, 0) 30%, rgba(13, 16, 74, 0) 55%, rgba(13, 16, 74, 0.75) 100%);
  pointer-events: none;
}

.brief-site-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.brief-site-tag {
  font: 700 var(--text-xs) var(--font-heading);
  letter-spacing: var(--tracking-eyebrow-wide);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  text-shadow: 0 1px 6px rgba(13, 16, 74, 0.6);
}

.brief-site-num {
  font: 800 2.75rem/1 var(--font-heading);
  font-style: italic;
  color: var(--isun-orange);
  text-shadow: 0 4px 16px rgba(13, 16, 74, 0.7);
}

.brief-site-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-5) var(--space-5) var(--space-4);
}

.brief-site-bar {
  display: block;
  width: 34px;
  height: 3px;
  background: var(--isun-orange);
  margin-bottom: var(--space-3);
}

.brief-site-name {
  display: block;
  font: 700 var(--text-xl) var(--font-heading);
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: var(--space-2);
}

.brief-site-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 600 var(--text-sm) var(--font-heading);
  color: rgba(255, 255, 255, 0.85);
  transition: gap 0.2s ease, color 0.2s ease;
}
.brief-site-card:hover .brief-site-hint,
.brief-site-card:focus-visible .brief-site-hint {
  gap: 12px;
  color: var(--isun-orange);
}

.brief-note-card {
  background: #fff;
  border: 1px solid var(--isun-line);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}
.brief-note-card p { margin: 0 0 var(--space-2); font-size: var(--text-sm); line-height: 1.7; color: var(--isun-body); }
.brief-note-card p:last-child { margin-bottom: 0; }
.brief-note-card strong { color: var(--isun-ink); font-weight: 600; }
.brief-note-accent { color: var(--isun-orange); font-weight: 600; }

/* Timeline - the retired /timeline page's stage-progress list, folded in as a
   zigzag "key dates" section matching the Aug 2026 mockup: an icon marker on
   a central spine, cards alternating left/right by stage position. */
.brief-timeline { max-width: 1200px; margin: 0 auto; padding: var(--space-8) var(--space-6) var(--space-8); }

.brief-timeline-list {
  position: relative;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.brief-timeline-list.is-visible { opacity: 1; transform: translateY(0); }

.brief-timeline-list::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--isun-line);
  transform: translateX(-50%);
}

.brief-timeline-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 52px 1fr;
  align-items: center;
  column-gap: var(--space-5);
  padding: var(--space-3) 0;
}

.brief-timeline-card {
  grid-row: 1;
  background: #fff;
  border: 1px solid var(--isun-line);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  min-width: 340px;
  max-width: 340px;
  box-shadow: 0 6px 18px rgba(13, 16, 74, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.brief-timeline-row-left .brief-timeline-card { grid-column: 1; justify-self: end; }
.brief-timeline-row-right .brief-timeline-card { grid-column: 3; justify-self: start; }

.brief-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(13, 16, 74, 0.14);
  border-color: var(--isun-orange);
}

.brief-timeline-date {
  font: 700 var(--text-sm) var(--font-heading);
  color: var(--isun-orange);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
  border-bottom: 1px dashed var(--isun-line);
}

.brief-timeline-label { font-size: var(--text-sm); line-height: 1.5; color: var(--isun-body); }
.brief-timeline-label-active { color: var(--isun-ink); font-weight: 600; }

.brief-timeline-marker {
  position: relative;
  grid-row: 1;
  grid-column: 2;
  justify-self: center;
  z-index: 1;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 50%;
  background: var(--isun-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.brief-timeline-marker svg { width: 20px; height: 20px; transition: transform 0.2s ease; }

.brief-timeline-marker:hover {
  transform: scale(1.12);
  box-shadow: 0 0 0 4px #fff, 0 0 0 7px var(--isun-orange), 0 6px 16px rgba(13, 16, 74, 0.25);
}
.brief-timeline-marker:hover svg { transform: scale(1.1); }

/* Hovering a card also lifts its own marker, and vice versa - they read as
   one unit even though the grid keeps them as separate cells. */
.brief-timeline-row:has(.brief-timeline-card:hover) .brief-timeline-marker,
.brief-timeline-row:has(.brief-timeline-marker:hover) .brief-timeline-card {
  transform: translateY(-4px);
}
.brief-timeline-row:has(.brief-timeline-card:hover) .brief-timeline-marker {
  box-shadow: 0 0 0 4px #fff, 0 0 0 7px var(--isun-orange), 0 6px 16px rgba(13, 16, 74, 0.25);
}
.brief-timeline-row:has(.brief-timeline-marker:hover) .brief-timeline-card {
  box-shadow: 0 16px 32px rgba(13, 16, 74, 0.14);
  border-color: var(--isun-orange);
}

/* A stage whose own date has gone by (see stage_service.get_timeline_context
   is_past) - greyed out purely by date, not by an admin-set stage flag. */
.brief-timeline-row-past .brief-timeline-card { opacity: 0.6; }
.brief-timeline-row-past .brief-timeline-date { color: var(--isun-body); }
.brief-timeline-row-past .brief-timeline-label,
.brief-timeline-row-past .brief-timeline-label-active { color: var(--isun-body); font-weight: 400; }
.brief-timeline-row-past .brief-timeline-marker {
  background: var(--isun-line);
  color: var(--isun-body);
  box-shadow: 0 0 0 4px #fff;
}

/* The "NOW" marker sits on the connecting line itself, in the gap between
   the last stage whose date has passed and the next one - not pinned to
   either row's own circle - since most rows are really the two edges of one
   open window (e.g. Registration Opens / Phase 1 Closes) and "now" usually
   falls inside that window rather than exactly on an edge. Mirrors
   .brief-timeline-row's own grid (and its 900px breakpoint below) so the
   badge lands in the same column as every marker circle, dead center on the
   line regardless of viewport. */
.brief-timeline-now-gap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 52px 1fr;
  padding: var(--space-2) 0;
}

/* A row that is itself an open window with today inside it (see
   stage_service is_current) - NOW sits on its own card, not in a gap. */
.brief-timeline-row-current .brief-timeline-card { border-color: var(--isun-orange); }
.brief-timeline-row-current .brief-timeline-marker {
  box-shadow: 0 0 0 4px #fff, 0 0 0 7px var(--isun-orange);
}
.brief-timeline-now-badge {
  display: inline-block;
  margin-bottom: var(--space-2);
}
.brief-timeline-now-gap-badge { grid-column: 2; justify-self: center; }

.brief-timeline-now-gap-badge,
.brief-timeline-now-badge {
  font: 600 0.6563rem var(--font-mono); /* 10.5px */
  background: var(--isun-orange);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: 0 0 0 4px #fff;
}

@media (prefers-reduced-motion: reduce) {
  .brief-primary-card,
  .brief-objectives,
  .brief-quote-card,
  .brief-sites,
  .brief-timeline-list {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .brief-objective-row,
  .brief-site-card,
  .brief-site-hint {
    transition: none;
  }
}

@media (max-width: 900px) {
  .brief-sites { grid-template-columns: 1fr; }
  .brief-objective-row { flex-wrap: wrap; }
  .brief-objective-title { flex-basis: 100%; }
  .brief-objective-divider { display: none; }
  .brief-objective-body { padding-right: 0; }

  .brief-timeline-list::before { left: 22px; }
  .brief-timeline-row { grid-template-columns: 44px 1fr; column-gap: var(--space-4); }
  .brief-timeline-marker { grid-column: 1; }
  .brief-timeline-now-gap { grid-template-columns: 44px 1fr; column-gap: var(--space-4); align-items: center; }
  .brief-timeline-now-gap-badge { grid-column: 2; justify-self: start; }
  .brief-timeline-row-left .brief-timeline-card,
  .brief-timeline-row-right .brief-timeline-card {
    grid-column: 2;
    justify-self: start;
    min-width: 0;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .brief-ask { padding: var(--space-6) var(--space-4) var(--space-5); }
  .brief-challenge { padding: var(--space-6) var(--space-4); }
  .brief-timeline { padding: var(--space-6) var(--space-4); }
  .brief-objective-row { gap: var(--space-3); padding: var(--space-3) var(--space-4); }
  .brief-objective-icon { width: 38px; height: 38px; font-size: 0.95rem; }
  .brief-primary-card { padding: var(--space-5) var(--space-5); }
  .brief-timeline-card { padding: var(--space-4); }
}