/* ═══════════════════════════════════════════════════════════════════════════
   DNS Panopticon — Support Hub
   Page-specific styles for the support hub (public/support/index.html).
   Uses tokens from tokens.css for full theme + dark-mode integration.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Page wrapper ──────────────────────────────────────────────────────── */
.support-page {
  flex: 1;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 80px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Shared section heads ──────────────────────────────────────────────── */
.support-section-head {
  margin-bottom: 28px;
  max-width: 60ch;
}
.support-section-head--with-action {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
  flex-wrap: wrap;
}
.support-section-head--with-action > div { max-width: 60ch; }

.section-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 10px;
}

.support-section-head h2 {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--txt);
  margin: 0 0 10px;
  font-weight: 700;
}

.support-section-sub {
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-3);
  margin: 0;
}

/* ── HERO ──────────────────────────────────────────────────────────────── */
.support-hero {
  position: relative;
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse at top right, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 50%),
    radial-gradient(ellipse at top left, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 45%);
}

.support-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 56px;
  align-items: center;
}

.support-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 18px;
}
.support-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent);
  animation: hero-dot-pulse 2.4s ease-in-out infinite;
}
@keyframes hero-dot-pulse {
  0%,100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent); }
  50%     { box-shadow: 0 0 0 8px color-mix(in srgb, var(--primary) 4%, transparent); }
}

.support-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--txt);
  margin: 0 0 18px;
  font-weight: 800;
}

.support-hero-accent {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.support-hero-lede {
  font-size: 16px;
  line-height: 1.7;
  color: var(--txt-3);
  margin: 0 0 28px;
  max-width: 56ch;
}

/* Hero search */
.support-hero-search {
  position: relative;
  display: flex;
  align-items: center;
  margin: 0 0 6px;
}
.support-hero-search-icon {
  position: absolute;
  left: 16px;
  display: flex;
  width: 18px; height: 18px;
  color: var(--txt-4);
  pointer-events: none;
}
#support-search-input {
  width: 100%;
  padding: 14px 80px 14px 46px;
  font-size: 15px;
  color: var(--txt);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  font-family: inherit;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--primary) 6%, transparent);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
}
#support-search-input::placeholder { color: var(--txt-4); }
#support-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 14%, transparent),
              0 4px 14px color-mix(in srgb, var(--primary) 10%, transparent);
}

.search-clear {
  position: absolute;
  right: 48px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--txt-4);
  display: flex;
  border-radius: 4px;
}
.search-clear:hover { color: var(--txt); background: var(--surface2); }
.search-clear svg { width: 12px; height: 12px; }

.search-kbd {
  position: absolute;
  right: 14px;
  font-size: 11px;
  color: var(--txt-4);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  pointer-events: none;
  font-family: inherit;
}
#support-search-input:not(:placeholder-shown) ~ .search-kbd { opacity: 0; }

.support-search-hint {
  font-size: 12px;
  color: var(--txt-4);
  margin: 8px 0 0;
  min-height: 1.4em;
}

/* Suggestion chips */
.support-hero-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  align-items: center;
}
.support-hero-suggestions-label {
  font-size: 12px;
  color: var(--txt-4);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-right: 4px;
}
.suggestion-chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--txt-2);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.suggestion-chip:hover {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

/* Hero illustration */
.support-hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-art-svg {
  width: 100%;
  max-width: 380px;
  height: auto;
}
.hero-art-rings { transform-origin: 180px 180px; animation: hero-rings-spin 60s linear infinite; }
.hero-art-eye   { transform-origin: 180px 180px; animation: hero-eye-pulse 4s ease-in-out infinite; }
.hero-art-chip  { transform-origin: 180px 180px; animation: hero-chip-float 6s ease-in-out infinite; }
.hero-art-chip--mx    { animation-delay: -1.0s; }
.hero-art-chip--txt   { animation-delay: -2.0s; }
.hero-art-chip--ns    { animation-delay: -3.0s; }
.hero-art-chip--cname { animation-delay: -4.0s; }
.hero-art-chip--aaaa  { animation-delay: -5.0s; }
@keyframes hero-rings-spin { to { transform: rotate(360deg); } }
@keyframes hero-eye-pulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.06); }
}
@keyframes hero-chip-float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-4px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-art-rings, .hero-art-eye, .hero-art-chip,
  .support-eyebrow-dot { animation: none !important; }
}

/* ── STATS BAND ────────────────────────────────────────────────────────── */
.support-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  margin: 32px 0 0;
  overflow: hidden;
  box-shadow: 0 2px 12px color-mix(in srgb, var(--primary) 4%, transparent);
}
.support-stat {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--border);
}
.support-stat:last-child { border-right: none; }
.support-stat-num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--txt);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.support-stat-num--word {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.support-stat-label {
  font-size: 12px;
  color: var(--txt-3);
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* Section spacing common to all blocks */
.support-pillars,
.support-featured-tools,
.support-popular,
.support-cheatsheet,
.support-categories,
.support-toc-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

/* ── PILLARS ───────────────────────────────────────────────────────────── */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.pillar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  text-decoration: none;
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
}
.pillar-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pillar-accent, var(--primary));
  opacity: 0.85;
}
.pillar-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--pillar-accent, var(--primary)) 18%, transparent);
  border-color: color-mix(in srgb, var(--pillar-accent, var(--primary)) 40%, var(--border));
}
.pillar-card--tools        { --pillar-accent: var(--primary); }
.pillar-card--fundamentals { --pillar-accent: var(--green); }
.pillar-card--playbooks    { --pillar-accent: #0891b2; }
.pillar-card--security     { --pillar-accent: var(--red); }

.pillar-art {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--pillar-accent);
  background: color-mix(in srgb, var(--pillar-accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--pillar-accent) 25%, var(--border));
}
.pillar-art svg { width: 32px; height: 32px; }

.pillar-body { display: flex; flex-direction: column; gap: 6px; }
.pillar-count {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pillar-accent);
}
.pillar-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--txt);
  margin: 0;
  letter-spacing: -0.01em;
}
.pillar-body p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--txt-3);
  margin: 0;
}
.pillar-arrow {
  position: absolute;
  right: 18px; bottom: 18px;
  color: var(--txt-4);
  font-size: 16px;
  transition: color var(--t-fast), transform var(--t-fast);
}
.pillar-card:hover .pillar-arrow {
  color: var(--pillar-accent);
  transform: translateX(3px);
}

/* ── FEATURED TOOL CARDS ──────────────────────────────────────────────── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  text-decoration: none;
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
}
.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--tool-accent, var(--primary)) 22%, transparent);
  border-color: color-mix(in srgb, var(--tool-accent, var(--primary)) 45%, var(--border));
}
.tool-card--explorer { --tool-accent: var(--primary); }
.tool-card--recon    { --tool-accent: var(--rtype-cname-fg); }
.tool-card--market   { --tool-accent: var(--green); }
.tool-card--analyzer { --tool-accent: var(--rtype-mx-fg); }

.tool-card-art {
  position: relative;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--tool-accent) 8%, var(--surface2)) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  padding: 14px 14px 0;
}
.tool-card-art svg {
  width: 100%;
  height: auto;
  display: block;
}
.tool-card-body { padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.tool-card-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tool-accent);
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--tool-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--tool-accent) 25%, transparent);
}
.tool-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--txt);
  margin: 4px 0 0;
  letter-spacing: -0.015em;
}
.tool-card-body p {
  font-size: 14px;
  color: var(--txt-3);
  line-height: 1.6;
  margin: 0;
}
.tool-card-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--tool-accent);
  margin-top: 4px;
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.tool-card:hover .tool-card-cta span { transform: translateX(3px); transition: transform var(--t-fast); }

/* ── PLAYBOOK CARDS ────────────────────────────────────────────────────── */
.playbook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.playbook-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  text-decoration: none;
  position: relative;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
}
.playbook-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 14%, transparent);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}
.playbook-num {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
  background: linear-gradient(160deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
  align-self: flex-start;
  line-height: 1;
}
.playbook-body { display: flex; flex-direction: column; gap: 6px; }
.playbook-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--txt);
  margin: 0;
  letter-spacing: -0.01em;
}
.playbook-body p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--txt-3);
  margin: 0;
}
.playbook-cta {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.playbook-card:hover .playbook-cta span { transform: translateX(3px); transition: transform var(--t-fast); }

/* ── CHEAT-SHEET ───────────────────────────────────────────────────────── */
.cheatsheet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 20px;
}
.cheatsheet-records,
.cheatsheet-commands {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
}
.cheatsheet-records::before,
.cheatsheet-commands::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.7;
}
.cheatsheet-subtitle {
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
  margin: 0 0 16px;
  letter-spacing: -0.005em;
}
.cheatsheet-subtitle code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--primary);
}

.record-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  gap: 8px;
}
.record-list li {
  display: grid;
  grid-template-columns: 60px 1fr;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}
.record-list li:last-child { border-bottom: none; }
.rtype-chip {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.03em;
}
.rtype-chip--a     { color: var(--rtype-a-fg);     background: var(--rtype-a-bg); }
.rtype-chip--aaaa  { color: var(--rtype-aaaa-fg);  background: var(--rtype-aaaa-bg); }
.rtype-chip--cname { color: var(--rtype-cname-fg); background: var(--rtype-cname-bg); }
.rtype-chip--mx    { color: var(--rtype-mx-fg);    background: var(--rtype-mx-bg); }
.rtype-chip--ns    { color: var(--rtype-ns-fg);    background: var(--rtype-ns-bg); }
.rtype-chip--txt   { color: var(--rtype-txt-fg);   background: var(--rtype-txt-bg); }
.rtype-chip--soa   { color: var(--rtype-soa-fg);   background: var(--rtype-soa-bg); }
.rtype-chip--srv   { color: var(--rtype-srv-fg);   background: var(--rtype-srv-bg); }
.rtype-chip--ptr   { color: var(--rtype-ptr-fg);   background: var(--rtype-ptr-bg); }
.rtype-desc {
  font-size: 13px;
  color: var(--txt-3);
  line-height: 1.5;
}

.command-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: cmd;
}
.command-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.command-line {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: var(--txt);
  background: color-mix(in srgb, var(--surface2) 70%, var(--surface));
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  white-space: pre;
  overflow-x: auto;
}
.cmd-prompt { color: var(--primary); margin-right: 8px; user-select: none; }
.command-desc {
  font-size: 12px;
  color: var(--txt-3);
  padding-left: 4px;
}

.cheatsheet-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}
.cheatsheet-link:hover { color: var(--primary-dk); }
.cheatsheet-link:hover span { transform: translateX(3px); transition: transform var(--t-fast); }

/* ── CATEGORY GRID ─────────────────────────────────────────────────────── */
.cat-reset {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--txt-2);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.cat-reset:hover,
.cat-reset.is-active {
  color: var(--primary);
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.cat-card {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 4px 14px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  text-decoration: none;
  transition: transform var(--t-fast), box-shadow var(--t-base), border-color var(--t-fast);
}
.cat-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--cat-accent, var(--primary)) 50%, var(--border));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--cat-accent, var(--primary)) 16%, transparent);
}
.cat-card.is-active {
  border-color: var(--cat-accent, var(--primary));
  background: color-mix(in srgb, var(--cat-accent, var(--primary)) 6%, var(--surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cat-accent, var(--primary)) 18%, transparent);
}
.cat-card--product       { --cat-accent: var(--primary); }
.cat-card--fundamentals  { --cat-accent: var(--green); }
.cat-card--failure       { --cat-accent: var(--amber); }
.cat-card--security      { --cat-accent: var(--red); }
.cat-card--records       { --cat-accent: #7c3aed; }
.cat-card--playbooks     { --cat-accent: #0891b2; }
.cat-card--tools         { --cat-accent: #ea580c; }
.cat-card--architecture  { --cat-accent: #9333ea; }
.cat-card--comparisons   { --cat-accent: var(--txt-3); }

.cat-icon {
  grid-row: 1 / span 2;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--cat-accent);
  background: color-mix(in srgb, var(--cat-accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--cat-accent) 22%, var(--border));
}
.cat-icon svg { width: 26px; height: 26px; }

.cat-card h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
  margin: 0;
  letter-spacing: -0.005em;
}
.cat-card p {
  grid-column: 2;
  grid-row: 2;
  font-size: 12px;
  color: var(--txt-3);
  line-height: 1.5;
  margin: 0;
}
.cat-count {
  grid-column: 3;
  grid-row: 1 / span 2;
  font-size: 13px;
  font-weight: 700;
  color: var(--cat-accent);
  font-variant-numeric: tabular-nums;
  background: color-mix(in srgb, var(--cat-accent) 10%, transparent);
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid color-mix(in srgb, var(--cat-accent) 22%, transparent);
  align-self: center;
}

/* ── FULL TOC ──────────────────────────────────────────────────────────── */
.support-toc-section { display: flex; flex-direction: column; gap: 32px; }
.support-toc-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.support-groups-toggle-all {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--txt-3);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.support-groups-toggle-all:hover {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.support-toc { display: flex; flex-direction: column; }
.support-toc-group {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.support-toc-group:first-child { border-top: none; padding-top: 0; }

.support-toc-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--txt-3);
  margin: 0 0 16px;
}
.support-group-toggle {
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.support-group-toggle-label { display: inline-flex; align-items: center; gap: 8px; }
.support-group-chevron { color: var(--txt-4); transition: transform var(--t-fast); }
.support-toc-group.is-collapsed .support-group-chevron { transform: rotate(-90deg); }
.support-toc-group.is-collapsed .article-list { display: none; }

.toc-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--txt-4);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  text-transform: none;
}

[data-group="product-guides"]   .support-toc-group-title { color: var(--primary); }
[data-group="fundamentals"]     .support-toc-group-title { color: var(--green); }
[data-group="failure-modes"]    .support-toc-group-title { color: var(--amber); }
[data-group="security"]         .support-toc-group-title { color: var(--red); }
[data-group="records-advanced"] .support-toc-group-title { color: #7c3aed; }
[data-group="playbooks"]        .support-toc-group-title { color: #0891b2; }
[data-group="tools"]            .support-toc-group-title { color: #ea580c; }
[data-group="architecture"]     .support-toc-group-title { color: #9333ea; }
[data-group="comparisons"]      .support-toc-group-title { color: var(--txt-3); }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) [data-group="records-advanced"] .support-toc-group-title { color: #a78bfa; }
  :root:not([data-theme="light"]) [data-group="playbooks"]        .support-toc-group-title { color: #22d3ee; }
  :root:not([data-theme="light"]) [data-group="tools"]            .support-toc-group-title { color: #fb923c; }
  :root:not([data-theme="light"]) [data-group="architecture"]     .support-toc-group-title { color: #c084fc; }
}
[data-theme="dark"] [data-group="records-advanced"] .support-toc-group-title { color: #a78bfa; }
[data-theme="dark"] [data-group="playbooks"]        .support-toc-group-title { color: #22d3ee; }
[data-theme="dark"] [data-group="tools"]            .support-toc-group-title { color: #fb923c; }
[data-theme="dark"] [data-group="architecture"]     .support-toc-group-title { color: #c084fc; }

.article-list { display: flex; flex-direction: column; }
.article-list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: padding var(--t-fast);
}
.article-list-item:last-child { border-bottom: none; }
.article-list-item:hover { padding-left: 6px; }
.article-list-item strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--txt);
  display: block;
  transition: color var(--t-fast);
}
.article-list-item:hover strong { color: var(--primary); }
.article-list-item p {
  font-size: 13px;
  color: var(--txt-3);
  line-height: 1.55;
  margin: 4px 0 0;
}
.article-list-item span[aria-hidden="true"] {
  color: var(--txt-4);
  font-size: 14px;
  transition: color var(--t-fast), transform var(--t-fast);
}
.article-list-item:hover span[aria-hidden="true"] {
  color: var(--primary);
  transform: translateX(3px);
}

.article-list--toc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 36px;
}
.article-list--toc-grid .article-list-item {
  border-bottom: none;
  border-top: 1px solid var(--border);
  padding-top: 13px;
  padding-bottom: 13px;
}
.article-list--toc-grid .article-list-item:nth-child(-n+2) {
  border-top: none;
  padding-top: 0;
}

.search-no-results {
  font-size: 14px;
  color: var(--txt-4);
  padding: 24px 0 0;
}
.search-reset-inline {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: var(--primary);
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.search-reset-inline:hover { color: var(--primary-dk); }

/* ── CONTACT ───────────────────────────────────────────────────────────── */
.support-contact {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 36px 28px;
  margin-top: 56px;
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border));
  border-radius: 16px;
  background:
    radial-gradient(ellipse at top right, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 60%),
    var(--surface);
}
.support-contact-art {
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border));
}
.support-contact-art svg { width: 36px; height: 36px; }
.support-contact-copy h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--txt);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.support-contact-copy p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--txt-3);
  margin: 0;
}
.support-contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.support-contact-link:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 35%, transparent);
}

/* ── RESPONSIVE ────────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cat-grid    { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .support-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .support-stat:nth-child(2) { border-right: none; }
  .support-stat:nth-child(1),
  .support-stat:nth-child(2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 960px) {
  .support-page { width: min(100%, calc(100% - 40px)); }
  .support-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .support-hero-art { order: -1; max-width: 280px; margin: 0 auto; }
  .tool-grid       { grid-template-columns: 1fr; }
  .playbook-grid   { grid-template-columns: 1fr; }
  .cheatsheet-grid { grid-template-columns: 1fr; }
  .support-contact {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 16px;
  }
  .support-contact-link { width: 100%; }
}
@media (max-width: 640px) {
  .support-page { width: min(100%, calc(100% - 32px)); padding-bottom: 60px; }
  .support-hero { padding: 36px 0 32px; }
  .pillar-grid  { grid-template-columns: 1fr; }
  .cat-grid     { grid-template-columns: 1fr; }
  .support-stats { grid-template-columns: 1fr; }
  .support-stat { border-right: none; border-bottom: 1px solid var(--border); }
  .support-stat:last-child { border-bottom: none; }
  .article-list--toc-grid { grid-template-columns: 1fr; }
  .article-list--toc-grid .article-list-item:nth-child(-n+2) {
    border-top: 1px solid var(--border);
    padding-top: 13px;
  }
  .article-list--toc-grid .article-list-item:first-child {
    border-top: none;
    padding-top: 0;
  }
  .search-kbd { display: none; }
  #support-search-input { padding-right: 50px; }
  .search-clear { right: 14px; }
}