/* Content layouts: solutions, stories, journal, managed, research */

.page-hero--story {
  background:
    linear-gradient(160deg, rgba(12, 14, 18, 0.92), rgba(12, 14, 18, 0.72)),
    url("../assets/datacenter.jpg") center / cover no-repeat;
  color: var(--hero-ink);
  padding: calc(var(--header-h) + 4rem) clamp(1.5rem, 5vw, 4rem) 4rem;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
}

.page-hero--story .lead { color: rgba(245, 246, 248, 0.88); max-width: 42rem; }
.page-hero--story .page-breadcrumb a { color: rgba(245, 246, 248, 0.78); }
.page-hero--story .page-breadcrumb span { color: rgba(245, 246, 248, 0.5); }
.page-hero--story .btn-ghost {
  border-color: rgba(255, 255, 255, 0.75);
  color: #fff;
  background: rgba(0, 0, 0, 0.25);
}
.page-hero--story .btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.page-hero--story .btn-primary {
  color: #fff;
}

.story-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 0.75rem;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.challenge-item {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-top: none;
}

.challenge-media {
  margin: 0 0 1rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0b1220;
  border: 1px solid var(--line);
}

.challenge-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.challenge-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.challenge-item p {
  margin: 0;
  color: var(--muted, #5c564e);
  line-height: 1.55;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.solution-card {
  padding: 1.75rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.solution-card:hover {
  border-color: var(--ember);
  transform: translateY(-2px);
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.solution-card p { color: var(--ink-soft); font-size: 0.98rem; }
.solution-card .card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--ember);
  font-weight: 600;
  font-size: 0.9rem;
}

.how-diagram {
  margin: 2.25rem 0 0.5rem;
  width: 100%;
  max-width: 58rem;
}

.how-diagram-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.how-flow-line,
.how-loop-line {
  stroke: var(--ember);
  stroke-width: 1.75;
  fill: none;
}

.how-loop-line {
  stroke: var(--ember-deep);
  stroke-dasharray: 5 5;
  opacity: 0.85;
}

.how-loop-label {
  fill: var(--ember-deep);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.how-node rect {
  fill: var(--white);
  stroke: var(--line-strong);
  stroke-width: 1.25;
}

.how-node--mid rect {
  stroke: var(--ember);
  stroke-width: 1.5;
}

.how-node-num {
  fill: var(--ember);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.how-node-title {
  fill: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.how-node-sub {
  fill: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  counter-reset: how;
}

.how-step { counter-increment: how; }
.how-step::before {
  content: counter(how, decimal-leading-zero);
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ember);
  margin-bottom: 0.5rem;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 760px) {
  .how-diagram { margin-top: 1.5rem; }
  .how-diagram-svg { max-height: none; }
}

.story-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.story-teaser {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.story-teaser h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.story-teaser p { color: var(--ink-soft); max-width: 40rem; }

.band-dark {
  background: var(--ink);
  color: var(--hero-ink);
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
}

.band-dark .eyebrow { color: var(--ember); }
.band-dark a.btn-ghost {
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}

.managed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.managed-card {
  padding: 1.75rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
}

.managed-card h3 {
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
}

.managed-card p { opacity: 0.85; font-size: 0.95rem; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 48rem) 14rem;
  gap: 3rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 4vw, 3rem) 5rem;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.75;
}

.article-figure {
  margin: 1.5rem 0 1.75rem;
}

.article-figure img,
.article-body img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #0b1220;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  margin: 2.25rem 0 0.85rem;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 1.75rem 0 0.65rem;
}

.article-body p { margin-bottom: 1.1rem; }
.article-body ul {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}
.article-body ol {
  margin: 0 0 1.25rem 1.25rem;
  list-style: decimal;
}
.article-body li { margin-bottom: 0.4rem; }
.article-body a {
  color: var(--ember-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
}
.article-body a:hover { color: var(--ember); }
/* Buttons inside prose must stay high-contrast (link color must not win) */
.article-body a.btn,
.prose a.btn {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.article-body a.btn-primary,
.prose a.btn-primary {
  background: var(--ember);
  color: #fff;
  border-color: var(--ember);
}
.article-body a.btn-primary:hover,
.prose a.btn-primary:hover {
  background: var(--ember-deep);
  color: #fff;
}
.article-body a.btn-outline,
.prose a.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.article-body a.btn-outline:hover,
.prose a.btn-outline:hover {
  border-color: var(--ember);
  color: var(--ember-deep);
  background: transparent;
}
.prose-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.article-body pre {
  overflow-x: auto;
  padding: 1rem 1.15rem;
  background: var(--ink);
  color: #e8eaed;
  font-size: 0.88rem;
  margin: 1.25rem 0;
  border-radius: 0;
}
.article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}
.article-body :not(pre) > code {
  background: rgba(12,14,18,0.06);
  padding: 0.1em 0.35em;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  align-self: start;
  font-size: 0.85rem;
}

.toc h2 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  color: var(--ink-soft);
}

.toc ul { list-style: none; }
.toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--ink-soft);
  border-left: 2px solid transparent;
  padding-left: 0.65rem;
}
.toc a:hover { color: var(--ember); border-left-color: var(--ember); }

.source-note {
  margin-top: 2.5rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--ember);
  background: var(--paper-2);
  font-size: 0.95rem;
}

.journal-empty {
  padding: 3rem 0;
  color: var(--ink-soft);
}

.list-cards {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.list-card {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.list-card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.list-card .meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}


@media (max-width: 900px) {
  .how-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; margin-bottom: 1.5rem; }
  .story-teaser { grid-template-columns: 1fr; }
}