.tool-page-hero { min-height: 880px; }
.tool-page-hero .hero-grid { grid-template-columns: 1fr .86fr; }
.tool-hero-copy { position: relative; z-index: 2; }
.tool-hero-name {
  margin: -18px 0 18px;
  color: white;
  font-size: clamp(1.15rem, 2.4vw, 1.8rem);
  font-weight: 950;
  letter-spacing: .32em;
}
.tool-main-actions { max-width: 760px; }
.update-button { border-color: rgba(140,92,255,.65); background: rgba(140,92,255,.12); }
.update-button:hover { background: rgba(140,92,255,.24); }
.live-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted);
  font-size: .86rem;
}
.live-status span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffbd2e;
  box-shadow: 0 0 16px rgba(255,189,46,.6);
}
.live-status.online span { background: #23d18b; box-shadow: 0 0 16px rgba(35,209,139,.65); }
.live-status.offline span { background: var(--accent); box-shadow: 0 0 16px var(--glow); }
.tool-hero-card {
  position: relative;
  min-height: 520px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 24px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 32px;
  background:
    radial-gradient(circle at 65% 35%, rgba(140,92,255,.24), transparent 38%),
    radial-gradient(circle at 28% 72%, rgba(255,49,89,.22), transparent 40%),
    linear-gradient(155deg, rgba(24,27,36,.97), rgba(8,9,13,.98));
  box-shadow: 0 36px 90px rgba(0,0,0,.46), 0 0 70px rgba(140,92,255,.08);
}
.tool-hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,.06) 47%, transparent 72%);
}
.tool-hero-card-head,
.tool-hero-tags { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.tool-hero-card-head span { color: var(--accent); font-weight: 900; font-size: .76rem; letter-spacing: .14em; }
.tool-hero-card-head strong { font-size: .72rem; color: var(--muted); letter-spacing: .08em; }
.tool-hero-card .tool-visual { min-height: 390px; }
.tool-hero-card .usb-device { transform: rotate(-8deg) scale(1.08); }
.tool-hero-tags { justify-content: center; flex-wrap: wrap; }
.tool-hero-tags span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #d8dae4;
  background: rgba(255,255,255,.04);
  font-size: .72rem;
  font-weight: 800;
}
.tool-action-strip { padding: 62px 0 8px; }
.tool-action-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.quick-action {
  min-height: 182px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  color: white;
  background: linear-gradient(145deg, rgba(24,27,36,.95), rgba(12,14,19,.98));
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.quick-action:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.28); box-shadow: 0 24px 50px rgba(0,0,0,.28); }
.quick-action.primary { border-color: rgba(255,49,89,.48); background: linear-gradient(145deg, rgba(255,49,89,.22), rgba(20,13,21,.98)); }
.quick-action small { margin-bottom: auto; color: var(--accent); font-weight: 900; letter-spacing: .12em; }
.quick-action strong { font-size: 1.18rem; }
.quick-action span { margin-top: 6px; color: var(--muted); font-size: .86rem; }
.tool-page #cong-cu { padding-top: 94px; }
.tool-page .tool-disclaimer { margin-bottom: 0; }
.centered-actions { justify-content: center; margin-top: 0; }
.tool-contact-card { background: radial-gradient(circle at 50% 0%, rgba(140,92,255,.2), transparent 50%), var(--surface); }
.tool-footer { position: relative; z-index: 2; border-top: 1px solid var(--line); background: rgba(8,9,13,.9); }
.tool-footer .container { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: .86rem; }
.tool-footer .brand img { width: 96px; }
.tool-footer a { text-decoration: none; }
.tool-footer a:hover { color: white; }

@media (max-width: 900px) {
  .tool-page-hero { min-height: auto; }
  .tool-page-hero .hero-grid { grid-template-columns: 1fr; }
  .tool-hero-card { min-height: 460px; }
  .tool-action-grid { grid-template-columns: 1fr; }
  .quick-action { min-height: 150px; }
}

@media (max-width: 650px) {
  .tool-page-hero { padding-top: 104px; }
  .tool-hero-name { margin-top: -8px; letter-spacing: .2em; }
  .tool-main-actions .button { width: 100%; }
  .tool-hero-card { min-height: 390px; padding: 18px; border-radius: 24px; }
  .tool-hero-card .tool-visual { min-height: 300px; }
  .tool-hero-card-head { align-items: flex-start; flex-direction: column; }
  .tool-footer .container { padding-block: 22px; flex-direction: column; text-align: center; }
}