/* TechForge — unified section hub pages (DevOps, System Design, Databases) */

body.tf-hub-page .page.page-wide {
  padding-bottom: 80px;
}

/* ── Hero ── */
.tf-hub-hero {
  position: relative;
  padding: 52px 0 44px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.tf-hub-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 60% at 90% 10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 55%),
    radial-gradient(ellipse 40% 50% at 0% 90%, rgba(77, 158, 247, 0.05), transparent 50%);
}
.tf-hub-hero > * { position: relative; z-index: 1; }

.tf-hub-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: 5px 14px;
  border-radius: var(--r-full);
  margin-bottom: 18px;
}

.tf-hub-title {
  font-family: var(--display);
  font-size: clamp(28px, 5.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.75px;
  line-height: 1.05;
  color: var(--text);
  margin: 0 0 14px;
}
.tf-hub-title span {
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tf-hub-sub {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 0 24px;
}

/* ── Stats row ── */
.tf-hub-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 40px;
}
.tf-stat-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 12px;
  text-align: center;
  transition: border-color .18s, transform .18s;
}
.tf-stat-box:hover {
  border-color: var(--border2);
  transform: translateY(-1px);
}
.tf-stat-val {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}
.tf-stat-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  letter-spacing: .5px;
}

/* ── Learning path ── */
.tf-learning-path {
  margin-top: 48px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
}
.tf-learning-path-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.tf-path-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tf-path-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}
.tf-path-num {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 4px 8px;
  border-radius: 6px;
  flex-shrink: 0;
}

/* ── Compare table (databases hub) ── */
.compare-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .tf-hub-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .tf-hub-stats { grid-template-columns: 1fr 1fr; }
  .tf-hub-title { font-size: 22px !important; letter-spacing: -0.5px !important; }
  .tf-hub-hero { padding: 36px 0 32px; }
  .tf-learning-path { padding: 20px 16px; }
}