/* =========================================================
   ARC Hub — Homepage & Shared Hub Styles
   ========================================================= */

/* --- Wave background (white base, subtle navy sine-wave tiles) --- */
body {
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='48'%3E%3Cpath d='M0 24 C40 4%2C80 44%2C120 24 C160 4%2C200 44%2C240 24' stroke='%231a2e4a' stroke-opacity='.045' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-size: 240px 48px;
}

/* --- Header --- */
.hub-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.hub-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.hub-nav .logo img { height: 28px; width: auto; }

.hub-nav nav { display: flex; gap: 1.5rem; align-items: center; }

.hub-nav nav a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
}
.hub-nav nav a:hover { color: var(--color-primary); text-decoration: none; }

.hub-nav-onboard {
  font-size: .72rem !important;
  font-weight: 500 !important;
  color: var(--color-border) !important;
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: .25rem .75rem;
  transition: all var(--transition) !important;
}
.hub-nav-onboard:hover {
  color: var(--color-muted) !important;
  border-color: var(--color-muted);
  text-decoration: none !important;
}

/* --- Brand Hero (homepage) --- */
.hub-brand {
  background: linear-gradient(90deg, #4b6cb7 0%, #182848 100%);
  padding: 4.5rem 1.5rem 3.75rem;
  text-align: center;
}

.hub-brand-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hub-brand-logo {
  height: 56px;
  width: auto;
  display: block;
}

.hub-brand-sub {
  color: rgba(255, 255, 255, .55);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0;
}

/* --- Two-box grid (homepage) --- */
.hub-grid-section {
  padding: 2.75rem 0 1.5rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.hub-box {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 2rem 2rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .18s, box-shadow .18s;
}
.hub-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

/* Dashboards box — blue tint */
.hub-box-a {
  background: linear-gradient(135deg, #eef2ff 0%, #dde6ff 100%);
  border-color: #b8cbf5;
}

/* Publications box — violet/slate tint */
.hub-box-b {
  background: linear-gradient(135deg, #f3f0fa 0%, #e8e0f5 100%);
  border-color: #c9bfe8;
}

.hub-box-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #4b6cb7;
}
.hub-box-b .hub-box-label { color: #6b4fa8; }

.hub-box-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0;
  letter-spacing: -.01em;
}

.hub-box-desc {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.hub-box-cta {
  font-size: .8rem;
  font-weight: 700;
  color: #4b6cb7;
  margin-top: .25rem;
}
.hub-box-b .hub-box-cta { color: #6b4fa8; }

/* --- Stat row (homepage) --- */
.hub-stat {
  padding: 2rem 0 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: .5rem;
}

.hub-stat-inner {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

/* --- Hero (other pages) --- */
.hub-hero {
  padding: 6rem 0 5rem;
  border-bottom: 1px solid var(--color-border);
}

.hub-eyebrow {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hub-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hub-sub {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hub-links { display: flex; gap: 1rem; flex-wrap: wrap; }

.hub-btn {
  display: inline-block;
  padding: .65rem 1.4rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  transition: opacity var(--transition);
}
.hub-btn:hover { opacity: .85; text-decoration: none; }

.hub-btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.hub-btn-outline:hover { background: var(--color-primary); color: #fff; opacity: 1; }

/* --- Outputs & Reports --- */
.hub-outputs { padding: 3.5rem 0 5rem; }

.static-section { margin-bottom: 3rem; }
.static-section:last-child { margin-bottom: 0; }

.static-label {
  font-size: .7rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--color-muted);
  margin-bottom: 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--color-border);
}

.static-empty {
  font-size: .85rem; color: var(--color-muted);
  font-style: italic; padding: 1rem 0;
}

.reports-link {
  font-size: .9rem; font-weight: 500;
  color: var(--color-accent);
  display: inline-block; padding: .5rem 0;
}
.reports-link:hover { text-decoration: underline; }

.outputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.output-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--color-bg);
  text-decoration: none;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.output-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  text-decoration: none;
}

.output-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .75rem;
}

.output-tag {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.output-arrow {
  font-size: 1.1rem;
  color: var(--color-border);
  transition: color var(--transition);
}
.output-card:hover .output-arrow { color: var(--color-accent); }

.output-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .5rem;
  line-height: 1.3;
}

.output-desc {
  font-size: .82rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.output-cta {
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-accent);
}


/* --- Publications page --- */
.pub-wrap { padding: 3rem 0 5rem; }
.pub-hero { margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--color-border); }
.pub-section { margin-bottom: 2.5rem; }
.pub-list { display: flex; flex-direction: column; gap: .75rem; margin-top: .75rem; }

.pub-item {
  display: block; text-decoration: none;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.pub-item:hover { border-color: var(--color-accent); box-shadow: var(--shadow-sm); text-decoration: none; }
.pub-item-meta { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; }
.pub-tag { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-accent); }
.pub-type { font-size: .68rem; font-weight: 600; color: var(--color-muted); background: var(--color-bg-light); padding: .15rem .5rem; border-radius: 99px; border: 1px solid var(--color-border); }
.pub-item-title { font-size: .95rem; font-weight: 700; color: var(--color-primary); margin-bottom: .35rem; }
.pub-item-desc { font-size: .82rem; color: var(--color-muted); line-height: 1.65; margin-bottom: .75rem; }
.pub-item-cta { font-size: .8rem; font-weight: 600; color: var(--color-accent); }
.pub-empty { font-size: .85rem; color: var(--color-muted); font-style: italic; padding: .75rem 0; }

/* --- Project count --- */
.proj-count-row {
  display: flex; align-items: baseline; gap: .6rem;
  padding-top: 2.5rem; margin-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.proj-count-num {
  font-size: 2.5rem; font-weight: 800;
  color: var(--color-primary); letter-spacing: -.03em; line-height: 1;
}
.proj-count-label {
  font-size: .8rem; color: var(--color-muted); font-weight: 500;
}

/* --- Skeletons --- */
.project-skeleton {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  height: 110px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Fallback --- */
.hub-fallback {
  font-size: .875rem;
  color: var(--color-muted);
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

/* --- Footer --- */
.hub-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  font-size: .8rem;
  color: var(--color-muted);
}
.hub-footer a { color: var(--color-muted); }
.hub-footer a:hover { color: var(--color-primary); }

/* --- Onboarding Pages --- */
.onb-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.onb-breadcrumb {
  font-size: .8rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}
.onb-breadcrumb a { color: var(--color-accent); }

.onb-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}

.onb-lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 3rem;
  line-height: 1.7;
}

.onb-section { margin-bottom: 3rem; }

.onb-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--color-border);
}

.onb-section p, .onb-section li {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--color-text);
}

.onb-section ul, .onb-section ol {
  padding-left: 1.4rem;
  margin-top: .5rem;
}

.onb-section li { margin-bottom: .4rem; }

.onb-section code {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: .1em .4em;
  font-size: .85em;
  font-family: 'Courier New', Courier, monospace;
}

.onb-section pre {
  background: var(--color-primary);
  color: #e2e8f0;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: .75rem 0;
  font-size: .85rem;
  line-height: 1.6;
}

.onb-section pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.onb-tier-nav {
  display: flex;
  gap: .75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.onb-tier-btn {
  padding: .4rem 1rem;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 600;
  border: 1.5px solid var(--color-border);
  color: var(--color-muted);
  background: var(--color-bg);
  transition: all var(--transition);
}
.onb-tier-btn:hover { text-decoration: none; border-color: var(--color-accent); color: var(--color-accent); }
.onb-tier-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.onb-lock {
  display: inline-block;
  font-size: .7rem;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: .1rem .5rem;
  margin-left: .4rem;
  vertical-align: middle;
}

@media (max-width: 640px) {
  .hub-hero { padding: 3.5rem 0 3rem; }
  .hub-brand { padding: 3rem 1.5rem; }
  .hub-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .hub-nav nav { gap: 1rem; }
}