/* Header + footer — tokens from root.css */

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(18, 96, 184, 0.1);
}

.nav-inner {
  max-width: var(--content-max);
  height: var(--nav-h);
  gap: 1.25rem;
}

header .active { color: var(--blue-500) !important; }

.nav-menu {
  display: flex;
  gap: 2.5rem;
}

.nav-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink3);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-menu a:hover { color: var(--ink); }

.nav-cta,
.nav-menu .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-500);
  color: #fff !important;
  font-family: var(--dm);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--r8);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.nav-cta:hover,
.nav-menu .nav-cta:hover {
  background: var(--blue-400);
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(18, 96, 184, 0.2);
  border-radius: var(--r8);
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  cursor: pointer;
  z-index: 1202;
  position: relative;
}
.nav-toggle i { font-size: 22px; line-height: 1; }
.nav-backdrop { display: none; }
.nav-menu-cta { display: none; }

footer { border-top: 1px solid rgba(18, 96, 184, 0.08); }
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 3rem var(--section-x) 2rem;
}
.footer-brand p {
  font-size: 13px;
  color: var(--ink4);
  line-height: 1.75;
  margin-top: 0.85rem;
  max-width: 240px;
  font-weight: 300;
}
.footer-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink4);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--ink4);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--blue-500); }
.footer-bottom {
  border-top: 1px solid rgba(18, 96, 184, 0.07);
  padding-top: 1.5rem;
  font-size: 12px;
  color: var(--ink4);
}
.cac-badge {
  background: var(--blue-50);
  border: 1px solid rgba(18, 96, 184, 0.12);
  border-radius: var(--bs-border-radius-pill);
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-600);
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-cta-bar { display: none; }
  .nav-menu-cta { display: list-item; margin-top: 1.25rem; }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(4, 18, 37, 0.45);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(320px, 86vw);
    height: 100dvh;
    z-index: 1201;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin: 0;
    padding: calc(var(--nav-h) + 1.25rem) 1.5rem 2rem;
    background: #fff;
    border: none;
    border-left: 1px solid rgba(18, 96, 184, 0.1);
    box-shadow: -18px 0 48px rgba(10, 22, 40, 0.18);
    transform: translateX(105%);
    transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
  }

  .nav-menu li {
    opacity: 0;
    transform: translateX(28px);
    transition: opacity 0.35s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0s;
  }

  .nav-menu a:not(.nav-cta) {
    display: block;
    padding: 0.9rem 0.15rem;
    font-size: 1.15rem;
    font-family: var(--syne);
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid rgba(18, 96, 184, 0.08);
  }

  .nav-cta-drawer {
    display: inline-flex;
    width: 100%;
    margin-top: 0.25rem;
  }

  body.nav-open {
    overflow: hidden;
  }
  body.nav-open .nav-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  body.nav-open .nav-menu {
    transform: translateX(0);
  }
  body.nav-open .nav-menu li {
    opacity: 1;
    transform: translateX(0);
    transition-delay: calc(0.08s + (var(--nav-i, 0) * 0.05s));
  }
}