/* AWS architecture page styles */

.page-hero {
  padding: 80px 0 60px;
  background:
    radial-gradient(1000px 500px at 90% -10%, rgba(73, 157, 198, 0.10), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--brand-50) 100%);
}
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero h1 { margin-bottom: 18px; max-width: 760px; }
.page-hero-sub {
  font-size: 1.15rem;
  color: var(--ink-3);
  max-width: 720px;
  margin-bottom: 36px;
}
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.kv {
  display: inline-flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 18px;
  min-width: 220px;
}
.kv-k {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.kv-v {
  font-size: 0.93rem;
  color: var(--ink);
  font-weight: 600;
}

.container.narrow {
  max-width: 800px;
}

.arch-svg-wrap {
  margin-top: 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.arch-svg-wrap svg {
  width: 100%;
  height: auto;
  display: block;
}

.primary-nav a.active { color: var(--brand-dark); font-weight: 600; }

.reason-list {
  margin-top: 24px;
}
.reason-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 1rem;
}
.reason-list li:last-child { border-bottom: 0; }
.reason-list strong { color: var(--ink); font-weight: 700; }

/* Architecture diagram */
.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 1000px;
  margin: 0 auto;
}
.arch-layer {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
}
.arch-tag {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-dark);
  background: var(--brand-light);
  padding: 6px 12px;
  border-radius: 6px;
  text-align: center;
}
.arch-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.arch-node {
  background: var(--bg-tint);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-2);
}

/* Workloads */
.workload-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.workload {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
}
.workload h3 { margin-bottom: 10px; }
.workload-flow {
  background: var(--bg-tint);
  border: 1px dashed var(--line-2);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--brand-dark);
  margin-bottom: 14px;
  word-break: break-word;
}
.workload-services {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.workload-services li {
  background: var(--brand-light);
  color: var(--brand-dark);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* Phase grid */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.phase {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
}
.phase-tag {
  display: inline-block;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}
.phase h3 { margin-bottom: 10px; }
.phase p { margin-bottom: 14px; font-size: 0.95rem; }
.phase ul li {
  padding: 5px 0 5px 22px;
  position: relative;
  font-size: 0.9rem;
  color: var(--ink-2);
}
.phase ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

/* Well-Architected pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
}
.pillar h4 {
  margin-bottom: 8px;
  color: var(--brand-dark);
}
.pillar p { font-size: 0.93rem; }

/* Single-column CTA */
.cta-grid.single { grid-template-columns: 1fr; max-width: 720px; }

@media (max-width: 1024px) {
  .workload-grid { grid-template-columns: 1fr; }
  .phase-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-layer { grid-template-columns: 1fr; }
  .arch-tag { justify-self: start; width: auto; }
}
@media (max-width: 640px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 50px 0 40px; }
  .kv { min-width: 0; flex: 1 1 200px; }
}