/* Site header, mega menu and mobile drawer (rendered by assets/js/header.js). */

@keyframes glare {
  0% { transform: translateX(-120%); }
  55%,
  100% { transform: translateX(330%); }
}

@keyframes spark {
  0%,
  100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(.6); opacity: .55; }
}

.site-header { position: relative; z-index: 50; background: var(--paper); }
.site-header__bar { position: relative; z-index: 41; border-bottom: 1px solid rgb(20 20 22 / 12%); background: inherit; }

.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header__logo { flex: none; }
.site-header__logo img { height: 76px; width: auto; }
.site-header__links { display: flex; align-items: center; gap: 42px; min-width: 0; }
.site-header__sep { width: 1px; height: 22px; background: rgb(20 20 22 / 14%); flex: none; }

.glare {
  position: absolute;
  inset: 0 auto 0 0;
  width: 44%;
  background: linear-gradient(100deg, transparent, rgb(255 255 255 / 85%), transparent);
  animation: glare 3.4s ease-in-out infinite;
  pointer-events: none;
}

.ai-pill {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 9px 16px;
  border: 1px solid #a9c8f5;
  border-radius: 999px;
  background: linear-gradient(135deg, #eaf2ff, #d3e4ff);
  color: var(--blue-deep);
  font-weight: 700;
  font-size: 18px;
  white-space: nowrap;
  transition: box-shadow .25s ease, transform .25s ease;
}
.ai-pill:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -12px rgb(20 90 200 / 70%); }
.ai-pill > span:not(.glare),
.ai-pill svg { position: relative; flex: none; }
.ai-pill .spark { transform-box: fill-box; transform-origin: center; animation: spark 2.4s ease-in-out infinite; }
.ai-pill .spark:nth-child(2) { animation-delay: .55s; }
.ai-pill .spark:nth-child(3) { animation-delay: 1.1s; }

.menu-item { display: flex; align-items: center; }

.menu-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 2px;
  font-size: 18px;
  font-weight: 500;
  color: #3a382f;
  white-space: nowrap;
  transition: color .2s ease;
}
.menu-top:hover,
.menu-item.is-open .menu-top,
.menu-top.is-current { color: var(--ink); }
.chev { transition: transform .3s var(--ease); }
.menu-item.is-open .chev { transform: rotate(180deg); }

.header-cta { flex: none; }


/* ---------- mobile ---------- */

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgb(20 20 22 / 14%);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.burger span,
.burger span::before,
.burger span::after { display: block; width: 20px; height: 2px; background: var(--ink); }
.burger span { position: relative; transition: background .2s; }
.burger span::before,
.burger span::after { content: ''; position: absolute; left: 0; transition: transform .3s var(--ease); }
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.site-header.is-mobile-open .burger span { background: transparent; }
.site-header.is-mobile-open .burger span::before { transform: translateY(6px) rotate(45deg); }
.site-header.is-mobile-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }
.drawer { display: none; }

@media (max-width: 1180px) {
  .site-header__links,
  .mega,
  .mega-scrim { display: none; }
  .burger { display: flex; }
  .site-header__logo img { height: 60px; }

  .drawer {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 40;
    max-height: 0;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 30px 50px -30px rgb(20 20 22 / 45%);
    transition: max-height .45s var(--ease);
  }
  .site-header.is-mobile-open .drawer { max-height: calc(100vh - 81px); overflow-y: auto; }
  .drawer__inner { display: flex; flex-direction: column; padding: 12px var(--gutter) 28px; }
  .drawer__group { border-bottom: 1px solid #ebe8e0; }

  .drawer__group > button,
  .drawer__group > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 0;
    border: 0;
    background: none;
    font-size: 18px;
    font-weight: 500;
    text-align: left;
    color: var(--ink);
    cursor: pointer;
  }
  .drawer__group.is-open .chev { transform: rotate(180deg); }
  .drawer__sub { display: none; padding: 0 0 14px; }
  .drawer__group.is-open .drawer__sub { display: block; }
  .drawer__label { margin: 12px 0 4px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--stone-2); }
  .drawer .ai-pill { align-self: flex-start; margin: 18px 0 12px; }
  .drawer .header-cta { align-self: flex-start; margin-top: 18px; }
}