:root {
  --qvi-bg: #f6f4ef;
  --qvi-fg: #0f2744;
  --qvi-muted: #5b6b7c;
  --qvi-card: #fffcf8;
  --qvi-line: #d5dde6;
  --qvi-primary: #1a7f96;
  --qvi-btn-fg: #ffffff;
}

.dark {
  --qvi-bg: #121c28;
  --qvi-fg: #f3efe8;
  --qvi-muted: #a8b4c0;
  --qvi-card: #182433;
  --qvi-line: #2a3a4d;
  --qvi-primary: #5eb6c6;
  --qvi-btn-fg: #121c28;
}

html,
body {
  margin: 0;
  background: var(--qvi-bg);
  color: var(--qvi-fg);
  font-family: Outfit, Cairo, ui-sans-serif, system-ui, sans-serif;
}

html[lang="ar"],
html[lang="ar"] body {
  font-family: Cairo, Outfit, ui-sans-serif, system-ui, sans-serif;
}

a {
  color: var(--qvi-primary);
  text-decoration: none;
}

.qvi-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.qvi-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--qvi-line);
  background: var(--qvi-bg);
}

.qvi-header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.qvi-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--qvi-fg) !important;
  flex-shrink: 0;
}

.qvi-logo img {
  display: block;
  height: 2.5rem;
  width: auto;
}

.qvi-nav-desktop {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.15rem;
}

.qvi-nav-desktop a,
.qvi-nav-mobile a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  color: var(--qvi-muted);
  font-size: 0.9rem;
}

.qvi-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 0.6rem;
  background: color-mix(in srgb, var(--qvi-fg) 8%, var(--qvi-bg));
  color: var(--qvi-fg);
}

.qvi-nav-mobile {
  display: none;
  border-top: 1px solid var(--qvi-line);
}

.qvi-nav-mobile[data-open="true"] {
  display: block;
}

.qvi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border-radius: 0.7rem;
  border: 1px solid transparent;
  background: var(--qvi-primary);
  color: var(--qvi-btn-fg) !important;
  font-weight: 700;
  font-size: 0.95rem;
}

.qvi-btn-outline {
  background: transparent;
  border-color: var(--qvi-line);
  color: var(--qvi-fg) !important;
}

.qvi-hero,
.qvi-section {
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.qvi-kicker {
  color: var(--qvi-primary);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.7rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.qvi-hero h1,
.qvi-section h2 {
  margin: 0;
  line-height: 1.15;
}

.qvi-hero h1 {
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 600;
}

.qvi-lead {
  max-width: 40rem;
  color: var(--qvi-muted);
  line-height: 1.8;
  margin-top: 1rem;
}

.qvi-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.qvi-product-grid,
.qvi-tool-grid {
  display: grid;
  gap: 1rem;
}

.qvi-audio-tools,
.qvi-tool-group {
  margin-bottom: 0;
  padding: 1.25rem;
  border-radius: 1.25rem;
}

.qvi-tool-group h3 {
  margin: 0;
  font-size: 1.35rem;
}

.qvi-card,
.qvi-tool-card {
  display: block;
  background: var(--qvi-card);
  border: 1px solid var(--qvi-line);
  border-radius: 1.25rem;
  color: inherit;
}

.qvi-card {
  padding: 1.25rem;
}

.qvi-tool-card {
  padding: 0;
  overflow: hidden;
  height: 100%;
}

.qvi-card h3 {
  margin: 0.5rem 0;
  font-size: 1.25rem;
}

.qvi-card p,
.qvi-card li {
  color: var(--qvi-muted);
  line-height: 1.7;
}

.qvi-footer {
  margin-top: auto;
  border-top: 1px solid var(--qvi-line);
  padding: 2rem 1rem;
  background: color-mix(in srgb, var(--qvi-fg) 4%, var(--qvi-bg));
}

.qvi-footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.qvi-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.qvi-footer li {
  margin: 0.4rem 0;
}

@media (min-width: 768px) {
  .qvi-product-grid,
  .qvi-tool-grid,
  .qvi-footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .qvi-nav-desktop {
    display: flex;
  }

  .qvi-product-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .qvi-menu-btn,
  .qvi-nav-mobile {
    display: none !important;
  }

  .qvi-tool-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}