/* =====================================================================
   ACBIZ GLOBAL — Help Center Stylesheet
   Dark mode · Syne + DM Sans · Navy/Cyan/Blue palette
   ===================================================================== */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --hc-navy:    #04080f;
  --hc-navy2:   #080e1a;
  --hc-surface: #0c1424;
  --hc-card:    #0f1a2e;
  --hc-card2:   #111f35;
  --hc-border:  rgba(255,255,255,0.08);
  --hc-blue:    #1d4ed8;
  --hc-blue2:   #2563eb;
  --hc-blue3:   #3b82f6;
  --hc-cyan:    #06b6d4;
  --hc-amber:   #f59e0b;
  --hc-green:   #22c55e;
  --hc-red:     #ef4444;
  --hc-purple:  #8b5cf6;
  --hc-white:   #ffffff;
  --hc-text:    #d1dae8;
  --hc-muted:   #7a8aaa;
  --hc-faint:   #4a5568;
  --hc-r:       14px;
  --hc-rs:      9px;
  --hc-t:       0.22s ease;
  --hc-font-display: 'Syne', sans-serif;
  --hc-font-body:    'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; background: var(--hc-navy); }

body {
  font-family: var(--hc-font-body);
  background: var(--hc-navy);
  color: var(--hc-text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--hc-navy2); }
::-webkit-scrollbar-thumb { background: var(--hc-faint); border-radius: 3px; }

a { color: inherit; text-decoration: none; }

/* ─────────────────────────────────────────────
   NAV
───────────────────────────────────────────── */
.hc-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(4,8,15,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--hc-border);
  transition: box-shadow var(--hc-t);
}
.hc-nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.4); }

.hc-nav__inner {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.hc-nav__brand {
  font-family: var(--hc-font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: .45rem;
  flex-shrink: 0;
  letter-spacing: -.01em;
}
.hc-nav__brand-accent { color: var(--hc-cyan); }
.hc-nav__brand-tag {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--hc-muted);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--hc-border);
  padding: .18rem .55rem;
  border-radius: 100px;
  white-space: nowrap;
}

.hc-nav__links {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex: 1;
  justify-content: center;
}
.hc-nav__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .42rem .85rem;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--hc-muted);
  transition: all var(--hc-t);
  white-space: nowrap;
}
.hc-nav__link:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}
.hc-nav__link--gold {
  color: var(--hc-amber);
}
.hc-nav__link--gold:hover {
  background: rgba(245,158,11,.1);
  color: var(--hc-amber);
}

.hc-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hc-green);
  box-shadow: 0 0 6px rgba(34,197,94,.7);
  display: inline-block;
  flex-shrink: 0;
}

.hc-nav__actions {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

/* Pill buttons */
.hc-pill {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .42rem 1rem;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  font-family: var(--hc-font-body);
  white-space: nowrap;
  transition: all var(--hc-t);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.hc-pill--ghost {
  color: var(--hc-text);
  border-color: var(--hc-border);
  background: rgba(255,255,255,.04);
}
.hc-pill--ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
}
.hc-pill--ticket {
  background: linear-gradient(135deg, var(--hc-blue), #0891b2);
  color: #fff;
  animation: pulse-ticket 2.8s ease-in-out infinite;
}
.hc-pill--ticket:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(6,182,212,.35);
  animation: none;
}
@keyframes pulse-ticket {
  0%,100% { box-shadow: 0 0 0 0 rgba(6,182,212,0); }
  50%      { box-shadow: 0 0 0 5px rgba(6,182,212,.2); }
}

/* Burger */
.hc-nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  margin-left: auto;
  flex-shrink: 0;
}
.hc-nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--hc-text);
  border-radius: 2px;
  transition: all .25s ease;
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.hc-hero {
  position: relative;
  overflow: hidden;
  background: var(--hc-surface);
  padding: 80px 1.5rem 64px;
  text-align: center;
  border-bottom: 1px solid var(--hc-border);
}

/* Grid overlay */
.hc-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Glow blobs */
.hc-hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: blob-drift 8s ease-in-out infinite alternate;
}
.hc-hero__blob--blue {
  width: 600px; height: 400px;
  top: -15%; left: 50%;
  transform: translateX(-60%);
  background: radial-gradient(ellipse, rgba(29,78,216,.22) 0%, transparent 70%);
}
.hc-hero__blob--cyan {
  width: 400px; height: 300px;
  bottom: -10%; right: 5%;
  background: radial-gradient(ellipse, rgba(6,182,212,.14) 0%, transparent 70%);
  animation-delay: -4s;
}
@keyframes blob-drift {
  from { transform: translateX(-60%) translateY(0); }
  to   { transform: translateX(-50%) translateY(-20px); }
}

.hc-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  animation: hero-fade-up .7s ease both;
}
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--hc-cyan);
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.25);
  padding: .3rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.1rem;
  animation: hero-fade-up .7s .05s ease both;
}

.hc-hero__heading {
  font-family: var(--hc-font-display);
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.08;
  color: #fff;
  margin-bottom: .8rem;
  animation: hero-fade-up .7s .1s ease both;
}
.hc-hero__heading-em {
  background: linear-gradient(135deg, var(--hc-blue3), var(--hc-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hc-hero__sub {
  font-size: 1rem;
  color: var(--hc-muted);
  max-width: 540px;
  margin: 0 auto 2.25rem;
  line-height: 1.8;
  animation: hero-fade-up .7s .15s ease both;
}

/* ─────────────────────────────────────────────
   SEARCH
───────────────────────────────────────────── */
.hc-search {
  position: relative;
  max-width: 620px;
  margin: 0 auto;
  animation: hero-fade-up .7s .2s ease both;
}
.hc-search__box {
  display: flex;
  align-items: center;
  gap: .75rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px;
  padding: .85rem 1.5rem;
  transition: border-color var(--hc-t), box-shadow var(--hc-t);
}
.hc-search__box:focus-within {
  border-color: rgba(59,130,246,.6);
  box-shadow: 0 0 0 4px rgba(59,130,246,.12);
}
.hc-search__icon { color: var(--hc-muted); font-size: .95rem; flex-shrink: 0; }
.hc-search__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--hc-font-body);
  font-size: .95rem;
}
.hc-search__input::placeholder { color: var(--hc-faint); }
.hc-search__clear {
  background: none;
  border: none;
  color: var(--hc-muted);
  cursor: pointer;
  font-size: .9rem;
  padding: .2rem;
  border-radius: 50%;
  transition: color var(--hc-t);
  line-height: 1;
}
.hc-search__clear:hover { color: #fff; }

/* Dropdown */
.hc-search__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0; right: 0;
  background: #0d1525;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--hc-r);
  box-shadow: 0 28px 56px rgba(0,0,0,.7);
  max-height: 380px;
  overflow-y: auto;
  z-index: 500;
  text-align: left;
}
.hc-search__dropdown.open { display: block; }

.hc-sd-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .9rem 1.1rem;
  border-bottom: 1px solid var(--hc-border);
  cursor: pointer;
  transition: background var(--hc-t);
  text-decoration: none;
  color: #fff;
}
.hc-sd-item:last-child { border-bottom: none; }
.hc-sd-item:hover { background: rgba(255,255,255,.06); }
.hc-sd-badge {
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: .15rem .5rem;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: .2rem;
}
.hc-sd-badge--faq  { background: rgba(29,78,216,.25); color: var(--hc-blue3); }
.hc-sd-badge--kb   { background: rgba(245,158,11,.2);  color: var(--hc-amber); }
.hc-sd-title  { font-size: .875rem; font-weight: 600; color: #fff; }
.hc-sd-excerpt{ font-size: .78rem;  color: var(--hc-muted); margin-top: .1rem; }
.hc-sd-empty  { padding: 1.75rem; text-align: center; color: var(--hc-muted); font-size: .875rem; }

/* ─────────────────────────────────────────────
   HERO STATS
───────────────────────────────────────────── */
.hc-hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  animation: hero-fade-up .7s .25s ease both;
}
.hc-stat { text-align: center; }
.hc-stat__num {
  font-family: var(--hc-font-display);
  font-size: 1.65rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--hc-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hc-stat__lbl { font-size: .74rem; color: var(--hc-muted); margin-top: .3rem; }
.hc-stat__sep { width: 1px; height: 40px; background: var(--hc-border); }

/* ─────────────────────────────────────────────
   TICKET BANNER
───────────────────────────────────────────── */
.hc-tbanner {
  background: linear-gradient(135deg, rgba(29,78,216,.18), rgba(6,182,212,.12));
  border-bottom: 1px solid rgba(6,182,212,.2);
  padding: .9rem 1.5rem;
}
.hc-tbanner__inner {
  max-width: 1340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.hc-tbanner__left {
  display: flex;
  align-items: center;
  gap: .85rem;
}
.hc-tbanner__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(6,182,212,.2);
  border: 1px solid rgba(6,182,212,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--hc-cyan);
  flex-shrink: 0;
}
.hc-tbanner__left strong {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
}
.hc-tbanner__left span { font-size: .78rem; color: var(--hc-muted); }
.hc-tbanner__actions { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; }

.hc-tbtn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .52rem 1.1rem;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--hc-t);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--hc-font-body);
  white-space: nowrap;
}
.hc-tbtn--primary {
  background: var(--hc-blue);
  color: #fff;
  border-color: var(--hc-blue);
}
.hc-tbtn--primary:hover {
  background: var(--hc-blue3);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(29,78,216,.4);
}
.hc-tbtn--ghost {
  background: rgba(255,255,255,.06);
  color: var(--hc-text);
  border-color: var(--hc-border);
}
.hc-tbtn--ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.1);
}

/* ─────────────────────────────────────────────
   QUICK TOPICS
───────────────────────────────────────────── */
.hc-quick {
  background: var(--hc-navy2);
  border-bottom: 1px solid var(--hc-border);
  padding: 1rem 1.5rem;
}
.hc-quick__inner {
  max-width: 1340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.hc-quick__label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--hc-faint);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-right: .25rem;
  white-space: nowrap;
}
.hc-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .8rem;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 500;
  border: 1px solid var(--hc-border);
  color: var(--hc-muted);
  transition: all var(--hc-t);
  text-decoration: none;
  background: none;
  white-space: nowrap;
}
.hc-chip:hover {
  border-color: rgba(6,182,212,.45);
  color: var(--hc-cyan);
  background: rgba(6,182,212,.08);
}
.hc-chip--gold { color: var(--hc-amber); border-color: rgba(245,158,11,.35); }
.hc-chip--gold:hover { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.6); color: var(--hc-amber); }
.hc-chip--cyan { color: var(--hc-cyan); border-color: rgba(6,182,212,.35); }
.hc-chip--cyan:hover { background: rgba(6,182,212,.12); }

/* ─────────────────────────────────────────────
   MAIN CONTENT
───────────────────────────────────────────── */
.hc-main { padding: 52px 1.5rem 80px; }
.hc-main__inner { max-width: 1200px; margin: 0 auto; }

.hc-sections__header {
  text-align: center;
  margin-bottom: 2rem;
}
.hc-sections__title {
  font-family: var(--hc-font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.03em;
  margin-bottom: .4rem;
}
.hc-sections__sub { font-size: .9rem; color: var(--hc-muted); }

/* ─────────────────────────────────────────────
   SECTION CARDS GRID
───────────────────────────────────────────── */
.hc-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hc-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: 18px;
  padding: 1.6rem;
  text-decoration: none;
  color: var(--hc-text);
  transition: all var(--hc-t);
  position: relative;
  overflow: hidden;
}
.hc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--hc-t);
}
.hc-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,.4);
}
.hc-card:hover::before { opacity: 1; }

/* Card colour accents */
.hc-card--blue  { } .hc-card--blue:hover  { border-color: rgba(59,130,246,.45); }
.hc-card--blue::before  { background: linear-gradient(90deg, var(--hc-blue3), transparent); }

.hc-card--amber { } .hc-card--amber:hover { border-color: rgba(245,158,11,.45); }
.hc-card--amber::before { background: linear-gradient(90deg, var(--hc-amber), transparent); }

.hc-card--cyan  { } .hc-card--cyan:hover  { border-color: rgba(6,182,212,.45); }
.hc-card--cyan::before  { background: linear-gradient(90deg, var(--hc-cyan), transparent); }
.hc-card--featured { border-color: rgba(6,182,212,.3); background: linear-gradient(135deg, rgba(29,78,216,.1), rgba(6,182,212,.08)); }

.hc-card--purple { } .hc-card--purple:hover { border-color: rgba(139,92,246,.45); }
.hc-card--purple::before { background: linear-gradient(90deg, var(--hc-purple), transparent); }

.hc-card--green  { } .hc-card--green:hover  { border-color: rgba(34,197,94,.45); }
.hc-card--green::before  { background: linear-gradient(90deg, var(--hc-green), transparent); }

.hc-card--gold   { } .hc-card--gold:hover   { border-color: rgba(245,158,11,.45); }
.hc-card--gold::before   { background: linear-gradient(90deg, var(--hc-amber), #f97316, transparent); }

.hc-card__icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.hc-card__body { flex: 1; display: flex; flex-direction: column; gap: .5rem; }
.hc-card__title {
  font-family: var(--hc-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.hc-card__desc { font-size: .83rem; color: var(--hc-muted); line-height: 1.65; flex: 1; }
.hc-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .25rem;
}
.hc-card__arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--hc-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: var(--hc-muted);
  transition: all var(--hc-t);
  flex-shrink: 0;
}
.hc-card:hover .hc-card__arrow {
  background: rgba(59,130,246,.2);
  border-color: rgba(59,130,246,.4);
  color: var(--hc-blue3);
  transform: translateX(2px);
}

/* Badges */
.hc-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .65rem;
  font-weight: 700;
  padding: .22rem .65rem;
  border-radius: 100px;
}
.hc-badge--blue   { background: rgba(29,78,216,.25); color: #93c5fd; }
.hc-badge--amber  { background: rgba(245,158,11,.2);  color: #fcd34d; }
.hc-badge--cyan   { background: rgba(6,182,212,.2);   color: #67e8f9; }
.hc-badge--purple { background: rgba(139,92,246,.2);  color: #c4b5fd; }
.hc-badge--green  { background: rgba(34,197,94,.15);  color: #86efac; display: flex; align-items: center; gap: .35rem; }
.hc-badge--gold   { background: rgba(245,158,11,.18); color: #fbbf24; }

.hc-pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hc-green);
  box-shadow: 0 0 6px rgba(34,197,94,.7);
  display: inline-block;
  flex-shrink: 0;
  animation: pulse-green 2s ease-in-out infinite;
}
@keyframes pulse-green {
  0%,100% { box-shadow: 0 0 6px rgba(34,197,94,.5); }
  50%      { box-shadow: 0 0 12px rgba(34,197,94,.9); }
}

/* ─────────────────────────────────────────────
   CONTACT CHANNELS
───────────────────────────────────────────── */
.hc-contact { margin-bottom: 3.5rem; }
.hc-contact__header { text-align: center; margin-bottom: 1.75rem; }
.hc-contact__title {
  font-family: var(--hc-font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .35rem;
  letter-spacing: -.03em;
}
.hc-contact__sub { font-size: .875rem; color: var(--hc-muted); }

.hc-channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
}

.hc-channel {
  display: block;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--hc-border);
  border-radius: var(--hc-r);
  padding: 1.5rem;
  transition: all var(--hc-t);
  text-decoration: none;
  color: var(--hc-text);
}
.hc-channel:hover {
  border-color: rgba(59,130,246,.35);
  background: rgba(59,130,246,.06);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.3);
}
.hc-channel--featured {
  border-color: rgba(6,182,212,.4);
  background: linear-gradient(135deg, rgba(29,78,216,.12), rgba(6,182,212,.08));
}
.hc-channel--featured:hover {
  border-color: rgba(6,182,212,.65);
  box-shadow: 0 8px 28px rgba(6,182,212,.15);
}
.hc-channel__badge {
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--hc-cyan);
  background: rgba(6,182,212,.12);
  border: 1px solid rgba(6,182,212,.25);
  padding: .15rem .55rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: .75rem;
}
.hc-channel__icon { font-size: 2rem; margin-bottom: .8rem; }
.hc-channel__name {
  font-family: var(--hc-font-display);
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .35rem;
}
.hc-channel__desc { font-size: .82rem; color: var(--hc-muted); line-height: 1.6; margin-bottom: .75rem; }
.hc-channel__meta { font-size: .78rem; color: var(--hc-cyan); font-weight: 600; display: flex; align-items: center; gap: .4rem; }

.hc-online-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hc-green);
  box-shadow: 0 0 6px rgba(34,197,94,.7);
  display: inline-block;
  animation: pulse-green 2s ease-in-out infinite;
}

/* ─────────────────────────────────────────────
   POPULAR TOPICS
───────────────────────────────────────────── */
.hc-popular { margin-bottom: 1rem; }
.hc-popular__title {
  font-family: var(--hc-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  letter-spacing: -.02em;
}
.hc-popular__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
}
.hc-popular__card {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--hc-border);
  border-radius: 12px;
  text-decoration: none;
  color: #fff;
  transition: all var(--hc-t);
}
.hc-popular__card:hover {
  border-color: rgba(245,158,11,.35);
  background: rgba(245,158,11,.06);
  transform: translateY(-2px);
}
.hc-popular__card-icon { font-size: 1.3rem; flex-shrink: 0; }
.hc-popular__card-title { font-size: .84rem; font-weight: 600; color: #fff; line-height: 1.4; }
.hc-popular__card-cat   { font-size: .7rem; color: var(--hc-muted); margin-top: .12rem; }
.hc-popular__card-arr   { color: var(--hc-faint); font-size: .8rem; margin-left: auto; flex-shrink: 0; transition: color var(--hc-t); }
.hc-popular__card:hover .hc-popular__card-arr { color: var(--hc-amber); }

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
.hc-footer {
  background: #080e1a;
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 28px 1.5rem;
}
.hc-footer__inner {
  max-width: 1340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.hc-footer__brand { display: flex; align-items: center; gap: .5rem; }
.hc-footer__brand-name { font-family: var(--hc-font-display); font-weight: 800; font-size: 1rem; color: #fff; }
.hc-footer__brand-sub  { font-size: .72rem; color: var(--hc-faint); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.hc-footer__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.hc-footer__links a { font-size: .8rem; color: var(--hc-faint); transition: color var(--hc-t); }
.hc-footer__links a:hover { color: var(--hc-cyan); }
.hc-footer__copy { font-size: .78rem; color: var(--hc-faint); width: 100%; text-align: center; padding-top: .75rem; border-top: 1px solid rgba(255,255,255,.05); }
.hc-footer__copy a { color: var(--hc-blue3); }
.hc-footer__copy a:hover { color: var(--hc-cyan); }

/* ─────────────────────────────────────────────
   BACK TO TOP
───────────────────────────────────────────── */
.hc-backtop {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 100;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--hc-blue);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 18px rgba(29,78,216,.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}
.hc-backtop.visible { opacity: 1; pointer-events: all; }
.hc-backtop:hover { transform: translateY(-3px); }

/* ─────────────────────────────────────────────
   COMING SOON PAGE
───────────────────────────────────────────── */
.hc-cs-wrap {
  min-height: calc(100vh - 64px - 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  gap: 1rem;
}
.hc-cs-back {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--hc-muted);
  padding: .45rem 1rem;
  border: 1px solid var(--hc-border);
  border-radius: 100px;
  margin-bottom: .5rem;
  transition: all var(--hc-t);
}
.hc-cs-back:hover { color: #fff; border-color: rgba(255,255,255,.22); }
.hc-cs-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: rgba(29,78,216,.18);
  border: 1px solid rgba(29,78,216,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--hc-blue3);
  margin-bottom: .5rem;
}
.hc-cs-title {
  font-family: var(--hc-font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.03em;
}
.hc-cs-msg {
  font-size: .9rem;
  color: var(--hc-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: .5rem;
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hc-channels { grid-template-columns: repeat(2, 1fr); }
  .hc-popular__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hc-cards { grid-template-columns: repeat(2, 1fr); }
  .hc-nav__links { display: none; flex-direction: column; gap: .15rem; }
  .hc-nav__links.open {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(4,8,15,.98);
    border-bottom: 1px solid var(--hc-border);
    padding: .75rem 1.5rem;
    z-index: 300;
    backdrop-filter: blur(16px);
  }
  .hc-nav__burger { display: flex; }
  .hc-tbanner__inner { flex-direction: column; align-items: flex-start; }
  .hc-footer__links { display: none; }
}

@media (max-width: 600px) {
  .hc-hero { padding: 52px 1rem 48px; }
  .hc-hero__heading { font-size: 2rem; }
  .hc-hero__stats { gap: 1.4rem; }
  .hc-stat__sep { display: none; }
  .hc-cards { grid-template-columns: 1fr; }
  .hc-channels { grid-template-columns: 1fr; }
  .hc-popular__grid { grid-template-columns: 1fr; }
  .hc-nav__actions .hc-pill--ghost { display: none; }
  .hc-footer__inner { flex-direction: column; align-items: flex-start; }
}

/* =====================================================================
   FAQ PAGE STYLES
   ===================================================================== */

/* Active nav link */
.hc-nav__link--active {
  color: #fff;
  background: rgba(255,255,255,.07);
}

/* ── FAQ Hero ── */
.faq-hero {
  background: var(--hc-surface);
  padding: 56px 1.5rem 48px;
  text-align: center;
  border-bottom: 1px solid var(--hc-border);
  position: relative;
  overflow: hidden;
}
.faq-hero::before {
  content: '';
  position: absolute;
  top: -30%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(29,78,216,.18) 0%, rgba(6,182,212,.07) 40%, transparent 70%);
  pointer-events: none;
}
.faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  animation: hero-fade-up .6s ease both;
}
.faq-hero__title {
  font-family: var(--hc-font-display);
  font-size: clamp(1.75rem, 4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -.04em;
  color: #fff;
  margin: .75rem 0 .6rem;
  line-height: 1.1;
}
.faq-hero__em {
  background: linear-gradient(135deg, var(--hc-blue3), var(--hc-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.faq-hero__sub {
  font-size: .95rem;
  color: var(--hc-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ── FAQ Search ── */
.faq-search {
  display: flex;
  gap: .65rem;
  max-width: 580px;
  margin: 0 auto;
}
.faq-search__box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: .65rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: .75rem 1.1rem;
  transition: border-color var(--hc-t), box-shadow var(--hc-t);
}
.faq-search__box:focus-within {
  border-color: rgba(59,130,246,.6);
  box-shadow: 0 0 0 4px rgba(59,130,246,.12);
}
.faq-search__icon { color: var(--hc-muted); font-size: .9rem; flex-shrink: 0; }
.faq-search__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--hc-font-body);
  font-size: .9rem;
}
.faq-search__input::placeholder { color: var(--hc-faint); }
.faq-search__clear {
  color: var(--hc-muted);
  font-size: .85rem;
  transition: color var(--hc-t);
  padding: .2rem;
  flex-shrink: 0;
}
.faq-search__clear:hover { color: #fff; }
.faq-search__btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .75rem 1.3rem;
  background: var(--hc-blue);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: var(--hc-font-body);
  font-size: .875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--hc-t);
  white-space: nowrap;
}
.faq-search__btn:hover {
  background: var(--hc-blue3);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(29,78,216,.4);
}

/* ── FAQ Layout (sidebar + content) ── */
.faq-layout {
  max-width: 1300px;
  margin: 0 auto;
  padding: 36px 1.5rem 80px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}

/* ── Sidebar ── */
.faq-sidebar { position: sticky; top: 80px; }

.faq-sidebar__toggle {
  display: none;
  width: 100%;
  align-items: center;
  gap: .55rem;
  padding: .7rem 1rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--hc-border);
  border-radius: 12px;
  color: var(--hc-text);
  font-family: var(--hc-font-body);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: .75rem;
  transition: all var(--hc-t);
}
.faq-sidebar__toggle:hover { background: rgba(255,255,255,.08); }
.faq-sidebar__toggle-arrow { margin-left: auto; font-size: .75rem; transition: transform var(--hc-t); }
.faq-sidebar__toggle-arrow.open { transform: rotate(180deg); }

/* Ticket CTA in sidebar */
.faq-sidebar__ticket {
  background: linear-gradient(135deg, rgba(29,78,216,.2), rgba(6,182,212,.1));
  border: 1px solid rgba(6,182,212,.3);
  border-radius: 14px;
  padding: 1.1rem;
  margin-bottom: 1.25rem;
}
.faq-sidebar__ticket h5 {
  font-family: var(--hc-font-display);
  font-size: .88rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .35rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.faq-sidebar__ticket h5 i { color: var(--hc-cyan); }
.faq-sidebar__ticket p {
  font-size: .78rem;
  color: var(--hc-muted);
  margin-bottom: .85rem;
  line-height: 1.55;
}
.faq-sidebar__ticket > a {
  display: block;
  padding: .55rem .9rem;
  background: linear-gradient(135deg, #1d4ed8, #0891b2);
  color: #fff;
  border-radius: 9px;
  font-size: .82rem;
  font-weight: 700;
  text-align: center;
  transition: all var(--hc-t);
}
.faq-sidebar__ticket > a:hover { opacity: .9; transform: translateY(-1px); }
.faq-sidebar__ticket-links {
  display: flex;
  gap: .45rem;
  margin-top: .55rem;
}
.faq-sidebar__ticket-links a {
  flex: 1;
  display: block;
  padding: .4rem .5rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  font-size: .74rem;
  font-weight: 600;
  color: var(--hc-text);
  text-align: center;
  transition: all var(--hc-t);
}
.faq-sidebar__ticket-links a:hover { background: rgba(255,255,255,.13); }

.faq-sidebar__label {
  font-size: .67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--hc-faint);
  display: block;
  padding: 0 .35rem;
  margin-bottom: .5rem;
}
.faq-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: .1rem;
  margin-bottom: 1.25rem;
}
.faq-sidebar__item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .58rem .85rem;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--hc-muted);
  font-size: .84rem;
  font-weight: 500;
  transition: all var(--hc-t);
}
.faq-sidebar__item:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-color: var(--hc-border);
}
.faq-sidebar__item--active {
  color: #fff;
  background: rgba(29,78,216,.2);
  border-color: rgba(29,78,216,.4);
}
.faq-sidebar__item-icon {
  font-size: .95rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  color: var(--hc-muted);
}
.faq-sidebar__item--active .faq-sidebar__item-icon { color: var(--hc-blue3); }
.faq-sidebar__count {
  margin-left: auto;
  background: rgba(255,255,255,.08);
  border-radius: 100px;
  padding: .08rem .48rem;
  font-size: .67rem;
  font-weight: 700;
  color: var(--hc-muted);
}
.faq-sidebar__item--active .faq-sidebar__count {
  background: rgba(29,78,216,.45);
  color: #93c5fd;
}
.faq-sidebar__status {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--hc-border);
  border-radius: 12px;
  padding: .9rem 1rem;
}
.faq-sidebar__status p {
  font-size: .78rem;
  color: var(--hc-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .35rem;
}
.faq-sidebar__status a {
  font-size: .74rem;
  color: var(--hc-blue3);
  transition: color var(--hc-t);
}
.faq-sidebar__status a:hover { color: var(--hc-cyan); }

/* ── Content area header ── */
.faq-content__header { margin-bottom: 1.4rem; }

.faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .76rem;
  color: var(--hc-faint);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.faq-breadcrumb a { color: var(--hc-faint); transition: color var(--hc-t); }
.faq-breadcrumb a:hover { color: var(--hc-cyan); }
.faq-breadcrumb__sep { font-size: .6rem; color: var(--hc-faint); }

.faq-results-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.faq-results-info {
  font-size: .84rem;
  color: var(--hc-muted);
  padding-top: .3rem;
}
.faq-results-count {
  font-family: var(--hc-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}

/* Filter pills (inline) */
.faq-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.faq-filter-pill {
  display: inline-flex;
  align-items: center;
  padding: .3rem .8rem;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 500;
  border: 1px solid var(--hc-border);
  color: var(--hc-muted);
  background: rgba(255,255,255,.04);
  transition: all var(--hc-t);
  white-space: nowrap;
}
.faq-filter-pill:hover {
  color: #fff;
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.07);
}
.faq-filter-pill--active {
  background: var(--hc-blue);
  border-color: var(--hc-blue);
  color: #fff;
}

/* ── Accordion ── */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.faq-item {
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: var(--hc-r);
  overflow: hidden;
  transition: border-color var(--hc-t), box-shadow var(--hc-t);
}
.faq-item:hover { border-color: rgba(59,130,246,.3); }
.faq-item.is-open {
  border-color: rgba(59,130,246,.5);
  box-shadow: 0 0 0 1px rgba(59,130,246,.08) inset;
}

.faq-item__trigger {
  display: flex;
  align-items: center;
  gap: .8rem;
  width: 100%;
  padding: 1rem 1.2rem;
  background: transparent;
  border: none;
  color: var(--hc-text);
  font-family: var(--hc-font-body);
  font-size: .9rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  line-height: 1.45;
  transition: color var(--hc-t);
}
.faq-item__trigger:hover { color: #fff; }
.faq-item.is-open .faq-item__trigger { color: #fff; }

.faq-item__num {
  font-size: .62rem;
  font-weight: 800;
  color: var(--hc-blue3);
  background: rgba(59,130,246,.15);
  padding: .18rem .44rem;
  border-radius: 5px;
  flex-shrink: 0;
  font-family: monospace;
  letter-spacing: .03em;
  min-width: 40px;
  text-align: center;
}
.faq-item__q { flex: 1; text-align: left; }

/* Category tags */
.faq-cat-tag {
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: .15rem .5rem;
  border-radius: 4px;
  flex-shrink: 0;
  white-space: nowrap;
}
.faq-cat-tag--hosting  { background: rgba(29,78,216,.25);   color: #93c5fd; }
.faq-cat-tag--domains  { background: rgba(6,182,212,.18);   color: #67e8f9; }
.faq-cat-tag--billing  { background: rgba(245,158,11,.18);  color: #fcd34d; }
.faq-cat-tag--software { background: rgba(139,92,246,.2);   color: #c4b5fd; }
.faq-cat-tag--saas     { background: rgba(236,72,153,.18);  color: #f9a8d4; }
.faq-cat-tag--security { background: rgba(239,68,68,.18);   color: #fca5a5; }
.faq-cat-tag--general  { background: rgba(255,255,255,.09); color: var(--hc-muted); }
.faq-cat-tag--proserv  { background: rgba(245,158,11,.22);  color: #fbbf24; }

.faq-item__chevron {
  flex-shrink: 0;
  font-size: .8rem;
  color: var(--hc-faint);
  transition: transform var(--hc-t), color var(--hc-t);
}
.faq-item.is-open .faq-item__chevron {
  transform: rotate(180deg);
  color: var(--hc-blue3);
}

/* Answer body */
.faq-item__body {
  border-top: 1px solid rgba(255,255,255,.07);
}
.faq-item__answer {
  padding: 1rem 1.3rem 1rem 3.5rem;
  font-size: .875rem;
  color: var(--hc-muted);
  line-height: 1.85;
}
.faq-item__answer strong { color: var(--hc-text); }
.faq-item__answer a { color: var(--hc-blue3); transition: color var(--hc-t); }
.faq-item__answer a:hover { color: var(--hc-cyan); }

/* Search highlight */
.faq-highlight {
  background: rgba(6,182,212,.22);
  color: #67e8f9;
  border-radius: 3px;
  padding: 0 .12rem;
  font-style: normal;
}

/* Helpful row */
.faq-helpful {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .8rem 1.3rem .9rem 3.5rem;
  border-top: 1px dashed rgba(255,255,255,.07);
  flex-wrap: wrap;
}
.faq-helpful__label { font-size: .77rem; color: var(--hc-faint); }
.faq-helpful__btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  border: 1px solid var(--hc-border);
  background: none;
  border-radius: 100px;
  padding: .22rem .7rem;
  cursor: pointer;
  font-size: .77rem;
  color: var(--hc-muted);
  font-family: var(--hc-font-body);
  transition: all var(--hc-t);
}
.faq-helpful__btn:hover { border-color: var(--hc-blue3); color: var(--hc-blue3); }
.faq-helpful__btn.voted-yes { background: rgba(34,197,94,.12); border-color: var(--hc-green); color: var(--hc-green); }
.faq-helpful__btn.voted-no  { background: rgba(239,68,68,.12);  border-color: var(--hc-red);   color: var(--hc-red); }
.faq-helpful__ticket {
  margin-left: auto;
  font-size: .77rem;
  font-weight: 600;
  color: var(--hc-blue3);
  transition: color var(--hc-t);
}
.faq-helpful__ticket:hover { color: var(--hc-cyan); }

/* ── Empty state ── */
.faq-empty {
  text-align: center;
  padding: 4rem 1rem;
  background: rgba(255,255,255,.02);
  border: 1px dashed var(--hc-border);
  border-radius: var(--hc-r);
}
.faq-empty__icon {
  font-size: 2.75rem;
  color: var(--hc-faint);
  margin-bottom: .85rem;
}
.faq-empty__title {
  font-family: var(--hc-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--hc-text);
  margin-bottom: .5rem;
}
.faq-empty__msg {
  font-size: .875rem;
  color: var(--hc-muted);
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 1.5rem;
}
.faq-empty__msg a { color: var(--hc-blue3); }

/* ── Bottom CTA ── */
.faq-bottom-cta {
  margin-top: 2.5rem;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(135deg, rgba(29,78,216,.12), rgba(6,182,212,.08));
  border: 1px solid rgba(6,182,212,.25);
  border-radius: 18px;
}
.faq-bottom-cta__icon { font-size: 2.5rem; margin-bottom: .75rem; }
.faq-bottom-cta__title {
  font-family: var(--hc-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .4rem;
  letter-spacing: -.025em;
}
.faq-bottom-cta__msg {
  font-size: .875rem;
  color: var(--hc-muted);
  margin-bottom: 1.4rem;
  line-height: 1.7;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.faq-bottom-cta__actions {
  display: flex;
  gap: .65rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── FAQ Responsive ── */
@media (max-width: 960px) {
  .faq-layout { grid-template-columns: 1fr; padding-top: 20px; }
  .faq-sidebar { position: static; }
  .faq-sidebar__toggle { display: flex; }
  .faq-sidebar__inner { display: none; }
  .faq-sidebar__inner.open { display: block; }
  .faq-results-bar { flex-direction: column; gap: .75rem; }
}
@media (max-width: 600px) {
  .faq-hero { padding: 40px 1rem 36px; }
  .faq-search { flex-direction: column; }
  .faq-search__btn { width: 100%; justify-content: center; }
  .faq-item__trigger { gap: .55rem; padding: .85rem 1rem; font-size: .84rem; }
  .faq-item__num { display: none; }
  .faq-cat-tag { display: none; }
  .faq-item__answer { padding-left: 1rem; }
  .faq-helpful { padding-left: 1rem; }
  .faq-helpful__ticket { display: none; }
}

/* =====================================================================
   KNOWLEDGE BASE STYLES
   ===================================================================== */

/* ── KB Hero ── */
.kb-hero {
  background: var(--hc-surface);
  padding: 56px 1.5rem 48px;
  text-align: center;
  border-bottom: 1px solid var(--hc-border);
  position: relative;
  overflow: hidden;
}
.kb-hero::before {
  content: '';
  position: absolute;
  top: -30%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(245,158,11,.14) 0%, rgba(29,78,216,.07) 40%, transparent 70%);
  pointer-events: none;
}
.kb-hero__inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; animation: hero-fade-up .6s ease both; }
.kb-hero__title {
  font-family: var(--hc-font-display);
  font-size: clamp(1.75rem, 4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -.04em;
  color: #fff;
  margin: .75rem 0 .6rem;
  line-height: 1.1;
}
.kb-hero__em {
  background: linear-gradient(135deg, var(--hc-amber), #f97316);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.kb-hero__sub { font-size: .95rem; color: var(--hc-muted); margin-bottom: 2rem; line-height: 1.7; }

/* ── KB Section title ── */
.kb-section-title {
  font-family: var(--hc-font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.025em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Category card grid ── */
.kb-cat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.kb-cat-card {
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: 16px;
  padding: 1.4rem;
  transition: all var(--hc-t);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.kb-cat-card:hover {
  border-color: rgba(245,158,11,.35);
  background: rgba(245,158,11,.04);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.3);
}
.kb-cat-card__head { display: flex; align-items: center; gap: .9rem; }
.kb-cat-card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.kb-cat-card__title {
  font-family: var(--hc-font-display);
  font-size: .95rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .05rem;
}
.kb-cat-card__count { font-size: .72rem; color: var(--hc-faint); }
.kb-cat-card__desc { font-size: .82rem; color: var(--hc-muted); line-height: 1.65; }
.kb-cat-card__list { list-style: none; display: flex; flex-direction: column; gap: .1rem; }
.kb-cat-card__item { border-radius: 8px; transition: background var(--hc-t); }
.kb-cat-card__item:hover { background: rgba(255,255,255,.05); }
.kb-cat-card__link {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  padding: .42rem .6rem;
  font-size: .82rem;
  font-weight: 500;
  color: var(--hc-muted);
  transition: color var(--hc-t);
  text-decoration: none;
}
.kb-cat-card__link:hover { color: #fff; }
.kb-cat-card__dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--hc-faint);
  flex-shrink: 0;
  margin-top: .45rem;
  transition: background var(--hc-t);
}
.kb-cat-card__item:hover .kb-cat-card__dot { background: var(--hc-amber); }
.kb-cat-card__more {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 700;
  color: var(--hc-amber);
  transition: gap var(--hc-t);
  text-decoration: none;
  padding-top: .25rem;
  border-top: 1px solid var(--hc-border);
}
.kb-cat-card__more:hover { gap: .65rem; }

/* KB Badges */
.kb-badge {
  display: inline-flex;
  align-items: center;
  font-size: .62rem;
  font-weight: 700;
  padding: .12rem .45rem;
  border-radius: 4px;
  white-space: nowrap;
}
.kb-badge--new { background: rgba(34,197,94,.18); color: #86efac; }
.kb-badge--pop { background: rgba(245,158,11,.18); color: #fcd34d; }

/* ── Popular articles grid ── */
.kb-popular-section { margin-bottom: 2rem; }
.kb-popular-grid { display: flex; flex-direction: column; gap: .45rem; }
.kb-popular-card {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .85rem 1rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--hc-border);
  border-radius: 12px;
  text-decoration: none;
  color: #fff;
  transition: all var(--hc-t);
}
.kb-popular-card:hover {
  border-color: rgba(245,158,11,.35);
  background: rgba(245,158,11,.05);
  transform: translateX(3px);
}
.kb-popular-card__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.kb-popular-card__body { flex: 1; min-width: 0; }
.kb-popular-card__title { font-size: .875rem; font-weight: 600; color: #fff; line-height: 1.4; }
.kb-popular-card__meta { font-size: .72rem; color: var(--hc-muted); margin-top: .12rem; display: flex; gap: .35rem; }
.kb-popular-card__arr { color: var(--hc-faint); font-size: .8rem; flex-shrink: 0; transition: color var(--hc-t); }
.kb-popular-card:hover .kb-popular-card__arr { color: var(--hc-amber); }

/* ── KB search results list ── */
.kb-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.5rem; }
.kb-list-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: var(--hc-r);
  text-decoration: none;
  color: #fff;
  transition: all var(--hc-t);
}
.kb-list-card:hover {
  border-color: rgba(59,130,246,.35);
  background: rgba(59,130,246,.05);
  transform: translateX(3px);
}
.kb-list-card__body { flex: 1; min-width: 0; }
.kb-list-card__meta { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: .45rem; }
.kb-list-card__read { font-size: .72rem; color: var(--hc-faint); display: flex; align-items: center; gap: .3rem; }
.kb-list-card__title { font-family: var(--hc-font-display); font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: .3rem; line-height: 1.35; }
.kb-list-card__excerpt { font-size: .82rem; color: var(--hc-muted); line-height: 1.6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kb-list-card__arrow {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--hc-border);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  color: var(--hc-muted);
  flex-shrink: 0;
  transition: all var(--hc-t);
}
.kb-list-card:hover .kb-list-card__arrow {
  background: rgba(59,130,246,.2);
  border-color: rgba(59,130,246,.4);
  color: var(--hc-blue3);
}

/* ═══════════════════════════════════════════
   KB ARTICLE PAGE
═══════════════════════════════════════════ */
.kb-article-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 1.5rem 80px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
}

/* Article main */
.kb-article { min-width: 0; }

.kb-article__header { margin-bottom: 2rem; }
.kb-article__meta {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  margin-bottom: .85rem;
}
.kb-article__read { font-size: .75rem; color: var(--hc-muted); display: flex; align-items: center; gap: .3rem; }
.kb-article__id   { font-size: .68rem; color: var(--hc-faint); font-family: monospace; }

.kb-article__title {
  font-family: var(--hc-font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.035em;
  line-height: 1.15;
  margin-bottom: .75rem;
}
.kb-article__excerpt {
  font-size: .95rem;
  color: var(--hc-muted);
  line-height: 1.75;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--hc-border);
}

/* Article body typography */
.kb-article__body {
  font-size: .9rem;
  color: var(--hc-muted);
  line-height: 1.85;
  margin-bottom: 2rem;
}
.kb-article__body h3 {
  font-family: var(--hc-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin: 1.6rem 0 .65rem;
  letter-spacing: -.02em;
}
.kb-article__body h3:first-child { margin-top: 0; }
.kb-article__body p  { margin-bottom: .85rem; }
.kb-article__body ul, .kb-article__body ol {
  margin: .6rem 0 .85rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.kb-article__body li::marker { color: var(--hc-blue3); }
.kb-article__body ol { list-style: decimal; }
.kb-article__body li { line-height: 1.7; }
.kb-article__body strong { color: var(--hc-text); }
.kb-article__body a { color: var(--hc-blue3); transition: color var(--hc-t); }
.kb-article__body a:hover { color: var(--hc-cyan); }
.kb-article__body code {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 5px;
  padding: .12rem .4rem;
  font-size: .85em;
  font-family: 'Courier New', monospace;
  color: var(--hc-cyan);
}
.kb-article__body pre {
  background: rgba(4,8,15,.8);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  margin: .85rem 0;
}
.kb-article__body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: .84rem;
  color: #a5f3fc;
  line-height: 1.7;
}

/* Tip box */
.kb-tip {
  background: rgba(6,182,212,.07);
  border: 1px solid rgba(6,182,212,.25);
  border-left: 3px solid var(--hc-cyan);
  border-radius: 10px;
  padding: .85rem 1rem;
  font-size: .84rem;
  color: var(--hc-muted);
  line-height: 1.7;
  margin: 1rem 0 .5rem;
}
.kb-tip i { color: var(--hc-cyan); margin-right: .4rem; }

/* Helpful row */
.kb-article__helpful {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
  padding: 1.1rem 1.3rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--hc-border);
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

/* Article CTA */
.kb-article__cta {
  background: linear-gradient(135deg, rgba(29,78,216,.12), rgba(6,182,212,.08));
  border: 1px solid rgba(6,182,212,.25);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.kb-article__cta h3 {
  font-family: var(--hc-font-display);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .35rem;
}
.kb-article__cta p { font-size: .84rem; color: var(--hc-muted); margin-bottom: .9rem; line-height: 1.65; }
.kb-article__cta-btns { display: flex; gap: .55rem; flex-wrap: wrap; }

/* Article nav footer */
.kb-article__nav-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hc-border);
}
.kb-article__nav-back,
.kb-article__nav-all {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--hc-muted);
  padding: .42rem .9rem;
  border: 1px solid var(--hc-border);
  border-radius: 100px;
  transition: all var(--hc-t);
  text-decoration: none;
}
.kb-article__nav-back:hover,
.kb-article__nav-all:hover { color: #fff; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.06); }

/* ── Article Sidebar ── */
.kb-article-sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

/* TOC */
.kb-toc {
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: 14px;
  padding: 1.1rem;
}
.kb-toc__title {
  font-family: var(--hc-font-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--hc-text);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.kb-toc__title i { color: var(--hc-blue3); font-size: .8rem; }
.kb-toc__list { display: flex; flex-direction: column; gap: .15rem; }
.kb-toc__link {
  display: block;
  padding: .32rem .6rem;
  font-size: .8rem;
  color: var(--hc-muted);
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--hc-t);
  border-left: 2px solid transparent;
}
.kb-toc__link:hover { color: #fff; background: rgba(255,255,255,.05); }
.kb-toc__link.active { color: var(--hc-blue3); border-left-color: var(--hc-blue3); background: rgba(59,130,246,.08); }

/* Related articles */
.kb-related {
  background: var(--hc-card);
  border: 1px solid var(--hc-border);
  border-radius: 14px;
  padding: 1.1rem;
}
.kb-related__title {
  font-family: var(--hc-font-display);
  font-size: .82rem;
  font-weight: 700;
  color: var(--hc-text);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.kb-related__title i { color: var(--hc-amber); font-size: .8rem; }
.kb-related__list { display: flex; flex-direction: column; gap: .35rem; }
.kb-related__item {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  padding: .6rem .65rem;
  border-radius: 10px;
  text-decoration: none;
  color: #fff;
  transition: all var(--hc-t);
  border: 1px solid transparent;
}
.kb-related__item:hover { background: rgba(255,255,255,.05); border-color: var(--hc-border); }
.kb-related__item-icon {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.kb-related__item-title { font-size: .8rem; font-weight: 600; color: var(--hc-text); line-height: 1.4; margin-bottom: .1rem; }
.kb-related__item-meta  { font-size: .7rem; color: var(--hc-faint); }

/* ── KB Responsive ── */
@media (max-width: 1024px) {
  .kb-article-layout { grid-template-columns: 1fr; }
  .kb-article-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .kb-toc, .kb-related, .kb-article-sidebar .faq-sidebar__ticket { flex: 1; min-width: 260px; }
}
@media (max-width: 768px) {
  .kb-cat-grid { grid-template-columns: 1fr; }
  .kb-article-sidebar { flex-direction: column; }
}
@media (max-width: 600px) {
  .kb-hero { padding: 40px 1rem 36px; }
  .kb-article-layout { padding-top: 20px; }
  .kb-article__title { font-size: 1.4rem; }
  .kb-article__nav-footer { flex-direction: column; gap: .65rem; align-items: flex-start; }
}