/* ===========================================
   Three Ring Focus — Fullscreen Split-Panel Nav
   =========================================== */


/* ── Hamburger button ── */

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md, 8px);
	transition: all .5s ease-in-out;
}
.hamburger:hover { transform: rotate(-30deg); }
.hamburger:focus-visible {
  outline: 2px solid #fcb900;
  outline-offset: 3px;
}

/* Toggle the open/close icons based on aria-expanded state */
.hamburger-close              { display: none; }
.hamburger[aria-expanded="true"] .hamburger-open  { display: none; }
.hamburger[aria-expanded="true"] .hamburger-close { display: block; }


/* ── Overlay ── */

.fs-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
  transition: background .35s;
  z-index: 90;
}
.fs-nav__overlay.is-open {
  background: rgba(0, 0, 0, 0.5);
  pointer-events: all;
}


/* ── Nav container ── */

.fs-nav {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #fcb900 0%, #ff6900 100%);
  z-index: 100;
  display: flex;
  align-items: stretch;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .35s cubic-bezier(.4,0,.2,1), transform .35s cubic-bezier(.4,0,.2,1);
}
.fs-nav.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* Prevent body scroll while menu is open */
body.nav-open { overflow: hidden; }


/* ── Inner layout: left + right columns ── */

.fs-nav__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 60px;
  gap: 0;
}

.fs-nav__left {
  border-right: 1px solid rgba(0, 0, 0, .15);
  padding-right: 60px;
  display: flex;
  align-items: center;
}

.fs-nav__right {
  padding-left: 60px;
  display: flex;
  align-items: center;
}


/* ── Left column: top-level list ── */

.fs-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.fs-nav__item {
  border-bottom: 1px solid rgba(0, 0, 0, .12);
}
.fs-nav__item:last-child { border-bottom: none; }


/* ── Top-level links and buttons ── */

.fs-nav__link {
  display: block;
  width: 100%;
  padding: 16px 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  color: rgba(0, 0, 0, .35);
  text-decoration: none;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: color .2s;
  line-height: 1.1;
}
.fs-nav__link:hover,
.fs-nav__link:focus,
.fs-nav__link.is-active {
  color: #000;
  outline: none;
}
.fs-nav__link:focus-visible {
  outline: 2px solid rgba(0,0,0,.5);
  outline-offset: 4px;
  border-radius: 2px;
}


/* ── Right column: panels ── */

/* Hide panels wherever they live until JS moves them to the right column */
.fs-nav__panel {
  display: none;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

/* Also hide sub-lists inside the left column (before JS runs) */
.fs-nav__left .fs-nav__sub-list {
  display: none;
}

.fs-nav__panel.is-active {
  display: flex;
  animation: panelFadeIn .25s ease;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.fs-nav__tagline {
  font-size: 1rem;
  color: rgba(0, 0, 0, .5);
  line-height: 1.5;
}


/* ── Sub-items ── */

.fs-nav__sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fs-nav__sub-item {}

.fs-nav__sub-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 1.1rem;
  color: rgba(0, 0, 0, .55);
  text-decoration: none;
  transition: color .2s;
  border-bottom: 1px solid rgba(0, 0, 0, .08);
}
.fs-nav__sub-item:last-child .fs-nav__sub-link { border-bottom: none; }

/* "View all" link at top of each panel */
.fs-nav__sub-link--all {
  font-weight: 500;
  color: rgba(0, 0, 0, .75);
  border-bottom: 1px solid rgba(0, 0, 0, .15) !important;
  margin-bottom: 4px;
}
.fs-nav__sub-link--all:hover { color: #000; }

.fs-nav__sub-link:hover,
.fs-nav__sub-link:focus {
  color: #000;
  outline: none;
}
.fs-nav__sub-link:focus-visible {
  outline: 2px solid rgba(0,0,0,.5);
  outline-offset: 4px;
  border-radius: 2px;
}


/* ── Close button ── */

.fs-nav__close {
  position: absolute;
  top: 24px;
  right: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: .6;
  transition: opacity .2s;
}
.fs-nav__close:hover { opacity: 1; }
.fs-nav__close:focus-visible {
  outline: 2px solid rgba(0,0,0,.5);
  outline-offset: 4px;
}
.fs-nav__close img {
  width: 24px;
  height: 24px;
  display: block;
}


/* ── Mobile: stack columns ── */

@media (max-width: 700px) {
  .fs-nav__inner {
    grid-template-columns: 1fr;
    padding: 70px 28px 40px;
    gap: 32px;
    overflow-y: auto;
    align-content: start;
  }
  .fs-nav__left {
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,.15);
    padding-right: 0;
    padding-bottom: 28px;
    align-items: flex-start;
  }
  .fs-nav__right {
    padding-left: 0;
    align-items: flex-start;
  }
  .fs-nav__link {
    font-size: 1.6rem;
  }
}