/* ============================================================
   GlowRank unified site header  ·  /assets/glow-nav.css
   Namespaced under .gr-nav so it never collides with page CSS.
   ============================================================ */
.gr-nav {
  --grn-bg: #FDFBF7;
  --grn-text: #1A1A1A;
  --grn-soft: #5C5650;
  --grn-gold: #B8965A;
  --grn-gold-light: #D4B87C;
  --grn-gold-bg: #F9F3E8;
  --grn-border: #E8E0D4;
  --grn-white: #FFFFFF;
  --grn-serif: 'DM Serif Display', Georgia, serif;
  --grn-sans: 'DM Sans', system-ui, -apple-system, sans-serif;

  position: sticky;
  top: 0;
  z-index: 300;
  background: rgba(253, 251, 247, .94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grn-border);
  font-family: var(--grn-sans);
}
/* On the sample treatment mock pages the header sits in normal flow
   so it scrolls away and lets the mock's own sticky nav take over. */
.gr-nav--flow { position: static; }
.gr-nav.gr-scrolled { box-shadow: 0 1px 20px rgba(0,0,0,.06); }

.gr-nav *,
.gr-nav *::before,
.gr-nav *::after { box-sizing: border-box; }

.gr-nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gr-nav__logo {
  font-family: var(--grn-serif);
  font-size: 1.35rem;
  color: var(--grn-text);
  text-decoration: none;
  letter-spacing: -.01em;
  line-height: 1;
  flex-shrink: 0;
}
.gr-nav__logo span { color: var(--grn-gold); }

/* List */
.gr-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 28px;
}
.gr-nav__item { position: relative; }

.gr-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--grn-sans);
  font-size: .82rem;
  font-weight: 500;
  color: var(--grn-soft);
  text-decoration: none;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  transition: color .2s;
}
.gr-nav__link:hover,
.gr-nav__item:hover > .gr-nav__link,
.gr-nav__link[aria-expanded="true"] { color: var(--grn-gold); }

.gr-nav__chev {
  width: 11px;
  height: 11px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  transition: transform .2s;
}
.gr-nav__item:hover .gr-nav__chev,
.gr-nav__link[aria-expanded="true"] .gr-nav__chev { transform: rotate(180deg); }

/* Dropdown */
.gr-dd {
  position: absolute;
  top: calc(100% + 10px);
  left: -16px;
  min-width: 232px;
  background: var(--grn-white);
  border: 1px solid var(--grn-border);
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(26, 22, 18, .14);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
/* invisible hover bridge so the menu does not close in the gap */
.gr-dd::before {
  content: '';
  position: absolute;
  top: -12px; left: 0; right: 0;
  height: 12px;
}
.gr-nav__item:hover > .gr-dd,
.gr-dd.gr-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.gr-dd a {
  display: block;
  padding: 9px 14px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--grn-text);
  text-decoration: none;
  border-radius: 8px;
  text-transform: none;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.gr-dd a:hover { background: var(--grn-gold-bg); color: var(--grn-gold); }

/* CTA */
.gr-nav__item--cta { margin-left: 4px; }
.gr-nav__cta {
  display: inline-block;
  background: var(--grn-gold);
  color: var(--grn-white) !important;
  padding: 9px 20px;
  border-radius: 7px;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background .2s, transform .15s;
}
.gr-nav__cta:hover {
  background: var(--grn-gold-light);
  color: var(--grn-white) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.gr-nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 9px;
}
.gr-nav__burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--grn-text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.gr-nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.gr-nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.gr-nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile */
@media (max-width: 860px) {
  .gr-nav__burger { display: flex; }

  .gr-nav__menu {
    position: fixed;
    top: 64px; left: 0; right: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background: var(--grn-bg);
    border-bottom: 1px solid var(--grn-border);
    box-shadow: 0 18px 40px rgba(26, 22, 18, .12);
    padding: 8px 20px 24px;
    display: none;
  }
  .gr-nav__menu.gr-open { display: block; }

  .gr-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .gr-nav__item { border-bottom: 1px solid var(--grn-border); }
  .gr-nav__item--cta { border-bottom: none; }

  .gr-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 16px 2px;
    font-size: .9rem;
  }
  .gr-nav__chev { width: 14px; height: 14px; }

  /* dropdowns become inline accordions on mobile */
  .gr-dd {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    min-width: 0;
    padding: 0 0 8px 2px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .gr-dd::before { display: none; }
  .gr-dd.gr-open { max-height: 420px; }
  .gr-dd a { padding: 11px 12px; font-size: .88rem; }

  .gr-nav__item--cta { margin: 16px 0 4px; }
  .gr-nav__cta {
    display: block;
    text-align: center;
    padding: 15px 20px;
    font-size: .85rem;
  }
}