/* =============================================================
   craig-morris-nav.css
   Site-wide navigation bar + next-case-study button.
   Linked by all pages (index + case studies + gallery).
   ============================================================= */

/* ── SITE NAV ─────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9000;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(17, 17, 17, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(40, 40, 40, 0.85);
}

.site-nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  opacity: 1;
  transition: opacity 0.2s;
}

.site-nav-logo:hover { opacity: 0.75; }

.site-nav-logo img {
  display: block;
  height: 30px;
  width: auto;
}

/* ── NAV LINK LIST ─────────────────────────────────────────────── */
.site-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0; padding: 0;
}

.site-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(56, 56, 56, 0.9);
  border-radius: 32px;
  padding: 7px 16px;
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7a7a7a;
  cursor: default;
  user-select: none;
  white-space: nowrap;
  transition: border-color 0.22s, color 0.22s, background 0.22s;
}

a.site-nav-pill,
a.site-nav-pill-accent {
  cursor: pointer;
  text-decoration: none;
}

a.site-nav-pill:hover {
  border-color: var(--accent, #e8921c);
  color: var(--accent, #e8921c);
  background: var(--accent-hover, rgba(232,146,28,0.06));
}

/* Accent pill (Contact button) */
.site-nav-pill-accent {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--accent, #e8921c);
  border-radius: 32px;
  padding: 7px 16px;
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent, #e8921c);
  color: var(--accent-dim, #1a0d00);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: filter 0.22s, transform 0.22s, box-shadow 0.22s;
}

.site-nav-pill-accent:hover {
  filter: brightness(115%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-transparent, rgba(232,146,28,0.25));
}

/* ── DROPDOWN ──────────────────────────────────────────────────── */
.nav-dropdown {
  position: relative;
  align-self: stretch;   /* fill full 52px nav height */
  display: flex;
  align-items: center;   /* keep pill vertically centred */
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 290px;
  background: rgba(20, 20, 20, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 56, 56, 0.9);
  border-radius: 6px;
  padding: 10px 0 6px;
  list-style: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 9001;
}

.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  height: 12px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Active state: pill highlights while mouse is over the li OR any descendant (incl. the open menu) */
.nav-dropdown:hover .site-nav-pill,
.nav-dropdown:focus-within .site-nav-pill {
  border-color: var(--accent, #e8921c);
  color: var(--accent, #e8921c);
  background: var(--accent-hover, rgba(232,146,28,0.06));
}

.nav-dropdown-menu a {
  display: block;
  padding: 12px 20px;
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.01em;
  color: #c0c0c0;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.16s, background 0.16s, border-color 0.16s;
}

.nav-dropdown-menu a:hover {
  color: #ffffff;
  background: var(--accent-hover, rgba(232,146,28,0.06));
  border-left-color: var(--accent, #e8921c);
}

.nav-dropdown-menu a[aria-current="page"] {
  color: var(--accent, #e8921c);
  border-left-color: var(--accent, #e8921c);
}

/* ── HAMBURGER BUTTON ──────────────────────────────────────────── */
.nav-hamburger {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid rgba(56, 56, 56, 0.9);
  border-radius: 6px;
  padding: 0;
  width: 36px;
  height: 36px;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.22s;
}

.nav-hamburger:hover { border-color: rgba(90, 90, 90, 0.9); }

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: #7a7a7a;
  border-radius: 1px;
  transition: transform 0.22s ease, opacity 0.18s ease, background 0.22s;
  transform-origin: center;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
  background: #c0c0c0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
  background: #c0c0c0;
}

/* ── MOBILE SLIDE-DOWN MENU ────────────────────────────────────── */
.nav-mobile-menu {
  position: fixed;
  top: 52px;
  left: 0; right: 0;
  z-index: 8999;
  background: rgba(15, 15, 15, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(40, 40, 40, 0.85);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-mobile-menu.open { max-height: 600px; }

.nav-mobile-menu-inner {
  padding: 12px 0 18px;
}

.nav-mobile-section-label {
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #484848;
  padding: 14px 24px 6px;
  list-style: none;
}

.nav-mobile-menu a {
  display: block;
  padding: 13px 24px;
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 300;
  color: #c0c0c0;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.16s, background 0.16s, border-color 0.16s;
}

.nav-mobile-menu a:hover,
.nav-mobile-menu a:focus-visible {
  color: var(--accent, #e8921c);
  background: var(--accent-hover, rgba(232,146,28,0.06));
  border-left-color: var(--accent, #e8921c);
  outline: none;
}

.nav-mobile-menu a[aria-current="page"] {
  color: var(--accent, #e8921c);
  border-left-color: var(--accent, #e8921c);
}

.nav-mobile-divider {
  height: 1px;
  background: rgba(40, 40, 40, 0.85);
  margin: 8px 0;
  list-style: none;
}

.nav-mobile-menu a.nav-mobile-accent {
  font-weight: 500;
  color: var(--accent, #e8921c);
}

.nav-mobile-menu a.nav-mobile-accent:hover {
  background: var(--accent-hover, rgba(232,146,28,0.06));
  border-left-color: var(--accent, #e8921c);
}

/* ── NEXT CASE STUDY BUTTON ────────────────────────────────────── */
.cs-next-nav {
  border-top: 1px solid var(--border, #282828);
  padding: 56px 48px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.cs-next-eyebrow {
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted, #7a7a7a);
}

.cs-next-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--accent, #e8921c);
  color: var(--accent-dim, #1a0d00);
  border: 1px solid var(--accent, #e8921c);
  border-radius: 48px;
  padding: 15px 36px;
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.cs-next-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px var(--accent-transparent, rgba(232,146,28,0.2));
  filter: brightness(112%);
}

.cs-next-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.cs-next-arrow {
  font-family: 'Jost', system-ui, sans-serif;
  font-style: normal;
  font-weight: 300;
  font-size: 1.15em;
  line-height: 1;
  opacity: 0.85;
}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */

/* Desktop: hide mobile-only elements explicitly */
@media (min-width: 641px) {
  .nav-hamburger   { display: none; }
  .nav-mobile-menu { display: none; }
}

/* Mobile: collapse desktop nav, reveal hamburger + slide panel */
@media (max-width: 640px) {
  .site-nav        { padding: 0 16px; }
  .site-nav-links  { display: none; }
  .nav-hamburger   { display: flex; }
  .nav-mobile-menu { display: block; }

  .cs-next-nav { padding: 40px 18px 44px; }
  .cs-next-btn { font-size: 1rem; padding: 12px 24px; gap: 10px; }
}