/* Shared header — identical on every page so the bar does not reflow. */
html {
  scroll-behavior: auto;
  scroll-padding-top: 66px;
}
#home, #how-it-works, #smarter, #features, #waitlist, #download, #faq {
  scroll-margin-top: 66px;
}

header.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 66px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #e8edf2;
  line-height: 1.2;
}
header.site-nav.scrolled {
  box-shadow: 0 8px 24px rgba(30, 20, 70, 0.08);
}

header.site-nav .nav-inner {
  max-width: 1180px;
  height: 66px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

header.site-nav .nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: #1a202c;
  text-decoration: none;
  flex-shrink: 0;
}
header.site-nav .nav-logo img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: block;
}

header.site-nav .nav-links {
  position: relative;
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  margin-right: 16px;
}

header.site-nav .nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: #4a5568;
  text-decoration: none;
  transition: color 0.15s ease;
}
header.site-nav .nav-links a:hover {
  color: #667eea;
}

header.site-nav .nav-links a.nav-link {
  position: relative;
  padding: 8px 0;
  line-height: 1.2;
  white-space: nowrap;
}
header.site-nav .nav-links a.nav-link::after {
  content: none !important;
  display: none !important;
}
header.site-nav .nav-links a.nav-link.active {
  color: #667eea;
}

header.site-nav .nav-indicator {
  position: absolute;
  left: 0;
  bottom: 6px;
  height: 2px;
  width: 0;
  margin: 0;
  padding: 0;
  border-radius: 2px;
  background: #667eea;
  pointer-events: none;
  opacity: 0;
  transform: translateX(0);
}
header.site-nav.is-ready .nav-indicator {
  opacity: 1;
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
              width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

header.site-nav a.nav-cta {
  background: linear-gradient(135deg, #667eea, #764ba2) !important;
  color: #fff !important;
  padding: 0 20px !important;
  border-radius: 100px !important;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  line-height: 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  width: 132px !important;
  height: 40px !important;
  margin: 0 !important;
  box-sizing: border-box !important;
  box-shadow: none !important;
  transform: none !important;
  transition: none !important;
  letter-spacing: 0 !important;
  border: 0 !important;
}
header.site-nav a.nav-cta:hover,
header.site-nav a.nav-cta:focus,
header.site-nav a.nav-cta:active {
  color: #fff !important;
  transform: none !important;
  box-shadow: none !important;
  background: linear-gradient(135deg, #667eea, #764ba2) !important;
}
header.site-nav a.nav-cta ion-icon {
  display: block !important;
  width: 16px !important;
  height: 16px !important;
  min-width: 16px !important;
  font-size: 16px !important;
  overflow: hidden !important;
  flex-shrink: 0 !important;
}

header.site-nav .nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: #1a202c;
  cursor: pointer;
  width: 40px;
  height: 40px;
}

@media (max-width: 860px) {
  header.site-nav .nav-indicator {
    display: none;
  }
  header.site-nav .nav-links {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0;
    border-bottom: 1px solid #e8edf2;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  header.site-nav .nav-links.open {
    max-height: 420px;
  }
  header.site-nav .nav-links a {
    padding: 16px 24px;
    width: 100%;
    border-bottom: 1px solid #e8edf2;
  }
  header.site-nav .nav-links a.nav-link {
    border-left: 3px solid transparent;
    padding-bottom: 16px;
  }
  header.site-nav .nav-links a.nav-link.active {
    border-left-color: #667eea;
    background: #f3f0ff;
  }
  header.site-nav a.nav-cta {
    margin: 0 !important;
    width: 132px !important;
    height: 40px !important;
    font-size: 0.88rem !important;
    padding: 0 20px !important;
  }
  header.site-nav .nav-toggle {
    display: block;
    order: 3;
    margin-left: 8px;
  }
  header.site-nav .nav-logo { order: 1; }
  header.site-nav .nav-cta { order: 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  header.site-nav.is-ready .nav-indicator { transition: none; }
}