:root {
  --nav-bg: #0b1020;
  --nav-fg: #ffffff;
  --nav-muted: #cbd5e1;
  --nav-b: #1f2937;
  --chip: #3b82f6;
  --chip-fg: #0b1020
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(1.2) blur(8px);
  background: rgba(8, 12, 24, .75);
  border-bottom: 1px solid rgba(255, 255, 255, .06)
}

.navbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--nav-fg);
  font-weight: 800;
  text-decoration: none
}

.brand .logo {
  background: var(--chip) !important;
  color: var(--chip-fg) !important;
  border-radius: 12px;
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(59, 130, 246, .45)
}

.brand .brand-text {
  font-size: 1.25rem
}

.main-nav {
  display: flex;
  gap: 16px;
  align-items: center
}

.main-nav>a,
.menu-toggle {
  border: 1px solid var(--nav-b);
  background: var(--nav-bg);
  color: var(--nav-fg);
  padding: 12px 18px;
  border-radius: 18px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  gap: 10px
}

.menu-toggle .icon {
  opacity: .75
}

.menu-group {
  position: relative
}

.submenu {
  display: none;
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  min-width: 340px;
  background: rgba(10, 14, 24, .98);
  color: var(--nav-fg);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 16px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, .45);
  padding: 12px;
  z-index: 1000
}

.menu-group.open>.submenu {
  display: block
}

.submenu .menu-label {
  opacity: .65;
  font-weight: 900;
  font-size: .88rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 8px 10px 6px
}

.submenu a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  color: #ffffff;
  text-decoration: none
}

.submenu a:hover {
  background: rgba(255, 255, 255, .06)
}

.nav-toggle {
  margin-left: auto;
  border: 1px solid var(--nav-b);
  background: var(--nav-bg);
  color: var(--nav-fg);
  padding: 10px 14px;
  border-radius: 12px;
  display: none
}

@media(max-width:760px) {
  .main-nav {
    display: none;
    position: absolute;
    right: 16px;
    top: 64px;
    flex-direction: column;
    gap: 10px;
    background: rgba(8, 12, 24, .98);
    border: 1px solid var(--nav-b);
    border-radius: 16px;
    box-shadow: 0 18px 42px rgba(0, 0, 0, .45);
    width: min(96vw, 380px);
    padding: 12px;
    z-index: 1100
  }

  .main-nav.open {
    display: flex
  }

  .submenu {
    position: static;
    display: none;
    border-radius: 14px;
    margin: 6px 0
  }

  .menu-group.open>.submenu {
    display: block
  }

  .nav-toggle {
    display: inline-block
  }
}

.footer-2025 {
  margin-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  background: rgba(8, 12, 24, .75)
}

.footer-2025 .wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 28px
}

@media(min-width:1024px) {
  .footer-2025 .wrap {
    padding: 28px 40px
  }
}

.footer-2025 .grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px
}

@media(max-width:760px) {
  .footer-2025 .grid {
    grid-template-columns: 1fr
  }
}

.footer-2025 .brandline {
  display: flex;
  gap: 10px;
  align-items: center
}

.footer-2025 .brandline .logo {
  background: var(--chip) !important;
  color: var(--chip-fg) !important;
  border-radius: 12px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(59, 130, 246, .45)
}

.footer-2025 .bottom {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #ffffff
}

.voice-coach {
  position: fixed;
  right: 14px;
  bottom: 14px;
  background: rgba(10, 14, 24, .92);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 12px;
  padding: 10px;
  z-index: 1200;
  box-shadow: 0 14px 28px rgba(0, 0, 0, .4);
  color: #e5e7eb;
  display: grid;
  gap: 8px;
  min-width: 240px
}

.voice-coach h4 {
  margin: 0;
  font-size: .95rem
}

.voice-coach .row {
  display: flex;
  gap: 8px;
  align-items: center
}

.voice-coach select,
.voice-coach input[type=range] {
  width: 100%
}