.formation-catalog-page { background: #07070f; }
.catalog-hero {
  padding: calc(var(--navbar-h) + 88px) 0 82px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at 84% 24%, rgba(6, 182, 212, .13), transparent 30%),
    radial-gradient(circle at 16% 0%, rgba(124, 58, 237, .16), transparent 34%);
}
.catalog-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  align-items: center;
  gap: 64px;
}
.catalog-hero h1 {
  max-width: 800px;
  margin: 18px 0 20px;
  font: 800 clamp(2.5rem, 6vw, 5.2rem)/1.02 var(--font-mono);
  letter-spacing: -.06em;
}
.catalog-hero h1 span {
  color: transparent;
  background: linear-gradient(120deg, #67e8f9, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
}
.catalog-lead { max-width: 720px; color: var(--text-secondary); font-size: 1.05rem; }
.catalog-summary { display: flex; flex-wrap: wrap; gap: 12px 30px; margin-top: 30px; color: var(--text-secondary); font-size: .86rem; }
.catalog-summary strong { display: block; color: var(--text-primary); font: 800 1.35rem var(--font-mono); }
.privacy-progress-card {
  display: flex;
  gap: 18px;
  padding: 26px;
  border: 1px solid rgba(16, 185, 129, .32);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(16, 185, 129, .1), rgba(6, 182, 212, .04));
}
.privacy-progress-card strong { display: block; margin-bottom: 6px; color: #6ee7b7; font: 700 .95rem var(--font-mono); }
.privacy-progress-card p { color: var(--text-secondary); font-size: .88rem; line-height: 1.6; }
.privacy-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(16, 185, 129, .14);
  color: #6ee7b7;
  font-size: 1.5rem;
}
.catalog-section { padding: 86px 0; }
.catalog-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.catalog-toolbar h2, .catalog-method h2 { margin-top: 8px; font: 800 clamp(1.7rem, 3vw, 2.5rem)/1.2 var(--font-mono); }
.catalog-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.catalog-filter {
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font: 700 .75rem var(--font-mono);
}
.catalog-filter:hover, .catalog-filter.active { border-color: rgba(6, 182, 212, .5); background: rgba(6, 182, 212, .1); color: #67e8f9; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.catalog-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(16, 16, 30, .88);
  box-shadow: var(--glow-soft);
  transition: transform .25s ease, border-color .25s ease;
}
.catalog-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.catalog-card[hidden] { display: none; }
.catalog-card-visual { min-height: 100%; display: grid; place-items: center; }
.truenas-visual { background: linear-gradient(160deg, rgba(6, 182, 212, .24), rgba(15, 23, 42, .96)); }
.windows-visual { background: linear-gradient(160deg, rgba(59, 130, 246, .24), rgba(15, 23, 42, .96)); }
.cyber-visual { background: linear-gradient(160deg, rgba(16, 185, 129, .24), rgba(15, 23, 42, .96)); }
.linux-visual { background: linear-gradient(160deg, rgba(245, 158, 11, .18), rgba(15, 23, 42, .96)); filter: grayscale(.5); }
.catalog-icon {
  position: relative;
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(18, 31, 50, .96), rgba(5, 11, 20, .82));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1), 0 18px 38px rgba(0, 0, 0, .3);
  transition: transform .25s ease, box-shadow .25s ease;
}
.catalog-icon::after {
  content: "";
  position: absolute;
  inset: -55% 28% 42% -55%;
  border-radius: 50%;
  background: rgba(255, 255, 255, .13);
  filter: blur(8px);
  pointer-events: none;
}
.catalog-icon svg { position: relative; z-index: 1; width: 58px; height: 58px; overflow: visible; }
.catalog-card:hover .catalog-icon { transform: translateY(-4px) scale(1.04); }
.catalog-icon-storage {
  border-color: rgba(34, 211, 238, .34);
  background: linear-gradient(145deg, rgba(8, 68, 84, .92), rgba(5, 18, 31, .96));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1), 0 0 30px rgba(6, 182, 212, .16);
}
.catalog-icon-storage .icon-surface { fill: rgba(8, 47, 73, .72); stroke: #67e8f9; stroke-width: 2; }
.catalog-icon-storage .icon-detail { fill: none; stroke: #bae6fd; stroke-linecap: round; stroke-width: 2; opacity: .78; }
.catalog-icon-storage .icon-status { fill: #6ee7b7; filter: drop-shadow(0 0 4px #34d399); }
.catalog-icon-windows {
  border-color: rgba(96, 165, 250, .4);
  background: linear-gradient(145deg, rgba(26, 71, 140, .9), rgba(7, 20, 45, .96));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1), 0 0 30px rgba(59, 130, 246, .2);
}
.catalog-icon-windows .window-pane { fill: #38bdf8; filter: drop-shadow(0 3px 5px rgba(14, 165, 233, .35)); }
.catalog-icon-windows .window-pane-two, .catalog-icon-windows .window-pane-four { fill: #60a5fa; }
.catalog-icon-windows .window-pane-three { opacity: .84; }
.catalog-icon-shield {
  border-color: rgba(52, 211, 153, .38);
  background: linear-gradient(145deg, rgba(8, 88, 77, .9), rgba(5, 27, 31, .96));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1), 0 0 30px rgba(16, 185, 129, .18);
}
.catalog-icon-shield .shield-body { fill: #10b981; stroke: #5eead4; stroke-width: 2; filter: drop-shadow(0 6px 8px rgba(16, 185, 129, .3)); }
.catalog-icon-shield .shield-line { fill: none; stroke: #ecfeff; stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; }
.catalog-icon-shield .shield-node { fill: #ecfeff; }
.catalog-icon-linux {
  border-color: rgba(245, 158, 11, .36);
  background: linear-gradient(145deg, rgba(62, 52, 30, .92), rgba(13, 16, 23, .98));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1), 0 0 30px rgba(245, 158, 11, .14);
}
.catalog-icon-linux .tux-head { fill: #111827; stroke: #64748b; stroke-width: 1.5; }
.catalog-icon-linux .tux-belly { fill: #f8fafc; }
.catalog-icon-linux .tux-eye { fill: #e2e8f0; stroke: #111827; stroke-width: 1.4; }
.catalog-icon-linux .tux-beak, .catalog-icon-linux .tux-foot { fill: #fbbf24; stroke: #f59e0b; stroke-width: 1; }
.catalog-card-body { min-width: 0; display: flex; flex-direction: column; padding: 26px; }
.catalog-card-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--text-muted); font: 600 .68rem var(--font-mono); }
.catalog-card h3 { margin: 15px 0 10px; overflow-wrap: anywhere; font: 800 1.15rem/1.35 var(--font-mono); }
.catalog-card p { color: var(--text-secondary); font-size: .88rem; line-height: 1.65; }
.catalog-facts { display: flex; flex-wrap: wrap; gap: 7px 18px; margin: 18px 0; color: var(--text-muted); font: 600 .7rem var(--font-mono); }
.catalog-facts li::before { content: "✓"; margin-right: 7px; color: var(--accent-green); }
.catalog-progress { margin: auto 0 18px; }
.catalog-progress > div:first-child { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 7px; color: var(--text-muted); font-size: .72rem; }
.catalog-progress strong { color: var(--accent-cyan); font-family: var(--font-mono); }
.catalog-progress-track { height: 6px; overflow: hidden; border-radius: 999px; background: #1e293b; }
.catalog-progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple)); transition: width .45s ease; }
.catalog-card .btn-primary { align-self: flex-start; padding: 11px 16px; font-size: .78rem; }
.catalog-card-upcoming { opacity: .76; }
.catalog-disabled-action { align-self: flex-start; margin-top: auto; padding: 10px 15px; border: 1px solid var(--border); border-radius: 9px; color: var(--text-muted); font: 700 .75rem var(--font-mono); }
.catalog-method { padding: 76px 0 94px; border-top: 1px solid var(--border); background: var(--bg-secondary); }
.catalog-method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.catalog-method-grid article { padding: 25px; border: 1px solid var(--border); border-radius: 15px; background: var(--bg-card); }
.catalog-method-grid article > span { color: var(--accent-purple); font: 800 .75rem var(--font-mono); }
.catalog-method-grid strong { display: block; margin: 10px 0 7px; font: 800 1rem var(--font-mono); }
.catalog-method-grid p { color: var(--text-secondary); font-size: .86rem; }

@media (max-width: 1000px) {
  .catalog-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .privacy-progress-card { max-width: 680px; }
  .catalog-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .catalog-hero { padding-top: calc(var(--navbar-h) + 54px); }
  .catalog-hero h1 { font-size: clamp(2.15rem, 12vw, 3.6rem); }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .catalog-card { grid-template-columns: 1fr; }
  .catalog-card-visual { min-height: 130px; }
  .catalog-card-body { padding: 22px; }
  .catalog-method-grid { grid-template-columns: 1fr; }
}