/* ============================================================
   Chinook Glow · Shared UI chrome
   Nav, mobile menu, announcement bar, reserve modal,
   image modal, sticky CTA, shared buttons.
   Themed via CSS variables set on each page's :root.
   ============================================================ */

/* Expected CSS variables (each page must provide):
   --cg-accent          main brand accent (amber/gold)
   --cg-accent-light    lighter variant of accent for hovers
   --cg-accent-dark     darker variant for gradients
   --cg-bg              page background
   --cg-surface         cards, panels, elevated surfaces
   --cg-text            primary readable text
   --cg-text-muted      secondary text
   --cg-border          subtle border rgba()
   --cg-border-strong   stronger border
   --cg-font-display    serif / display font
   --cg-font-body       body / UI font
*/

/* Reset for UI chrome elements only (does not touch page content) */
.cg-chrome-reset,
.cg-chrome-reset * {
  box-sizing: border-box;
}

/* -------- Announcement bar -------- */
.cg-announcement {
  display: block;
  background: linear-gradient(135deg, var(--cg-accent-dark), var(--cg-accent));
  color: var(--cg-bg);
  text-align: center;
  padding: .75rem 1rem;
  font-family: var(--cg-font-body);
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
}
.cg-announcement:hover { color: var(--cg-bg); }

/* -------- Main nav -------- */
.cg-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--cg-border);
}
.cg-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cg-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--cg-text);
  text-decoration: none;
}
.cg-brand-mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--cg-accent-light), var(--cg-accent-dark));
  box-shadow: 0 0 30px rgba(217, 146, 59, .28);
  flex: 0 0 auto;
}
.cg-brand-title {
  font-family: var(--cg-font-display);
  font-size: 1.4rem;
  color: var(--cg-accent);
  line-height: 1;
}
.cg-brand-sub {
  font-family: var(--cg-font-body);
  font-size: .65rem;
  color: var(--cg-text-muted);
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-top: 2px;
}
.cg-nav-links {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cg-nav-links a {
  color: var(--cg-text);
  font-family: var(--cg-font-body);
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .2s ease;
}
.cg-nav-links a:hover { color: var(--cg-accent); }
.cg-nav-cta {
  background: var(--cg-accent) !important;
  color: var(--cg-bg) !important;
  padding: .7rem 1rem;
  border-radius: 8px;
  font-weight: 600 !important;
}
.cg-nav-cta:hover {
  background: var(--cg-accent-light) !important;
  color: var(--cg-bg) !important;
}

/* -------- Hamburger -------- */
.cg-hamburger {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  background: transparent;
  border: 1px solid var(--cg-border-strong);
  border-radius: 10px;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  position: relative;
  z-index: 65;
}
.cg-hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--cg-text);
  border-radius: 999px;
  transition: .2s ease;
}

/* -------- Mobile menu -------- */
.cg-mobile-menu {
  display: none;
  background: rgba(0, 0, 0, .96);
  border-bottom: 1px solid var(--cg-border);
  position: relative;
  z-index: 60;
}
.cg-mobile-menu.is-open { display: block; }
.cg-mobile-menu-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: .5rem 1rem 1rem;
  display: grid;
  gap: .35rem;
}
.cg-mobile-menu a {
  color: var(--cg-text);
  font-family: var(--cg-font-body);
  font-size: .98rem;
  font-weight: 500;
  padding: .9rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--cg-border);
  background: rgba(255, 255, 255, .02);
  text-decoration: none;
  letter-spacing: .02em;
}
.cg-mobile-menu a.cg-nav-cta {
  background: var(--cg-accent);
  color: var(--cg-bg);
  border-color: transparent;
}

/* -------- Shared buttons (for modals and CTAs) -------- */
.cg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.4rem;
  border-radius: 8px;
  font-family: var(--cg-font-body);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .86rem;
  transition: .25s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.cg-btn-primary {
  background: var(--cg-accent);
  color: var(--cg-bg);
}
.cg-btn-primary:hover {
  background: var(--cg-accent-light);
  color: var(--cg-bg);
  transform: translateY(-2px);
}
.cg-btn-outline {
  background: transparent;
  color: var(--cg-text);
  border: 1px solid var(--cg-border-strong);
}
.cg-btn-outline:hover {
  border-color: var(--cg-accent);
  color: var(--cg-accent);
}

/* -------- Sticky mobile CTA -------- */
.cg-sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 55;
  display: none;
  background: rgba(0, 0, 0, .96);
  border-top: 1px solid var(--cg-border-strong);
  padding: .75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.cg-sticky-cta .cg-btn { width: 100%; }

/* -------- Reserve modal -------- */
.cg-reserve-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .78);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 140;
}
.cg-reserve-modal.open { display: flex; }
.cg-reserve-dialog {
  width: min(720px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--cg-surface);
  border: 1px solid var(--cg-border-strong);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  padding: 1.5rem;
  color: var(--cg-text);
}
.cg-reserve-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.cg-reserve-head h3 {
  font-family: var(--cg-font-display);
  color: var(--cg-accent);
  font-size: 1.4rem;
  margin: 0 0 .4rem 0;
  font-weight: 400;
}
.cg-reserve-copy {
  font-family: var(--cg-font-body);
  font-size: .9rem;
  color: var(--cg-text-muted);
  line-height: 1.5;
  margin: 0;
}
.cg-reserve-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--cg-text);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  padding: .2rem .5rem;
  flex-shrink: 0;
}
.cg-reserve-form { display: grid; gap: .95rem; }
.cg-reserve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .95rem;
}
.cg-reserve-field { display: grid; gap: .3rem; }
.cg-reserve-field label {
  font-family: var(--cg-font-body);
  font-size: .78rem;
  color: var(--cg-text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.cg-reserve-field input,
.cg-reserve-field select,
.cg-reserve-field textarea {
  background: rgba(0, 0, 0, .3);
  border: 1px solid var(--cg-border-strong);
  border-radius: 8px;
  padding: .7rem .8rem;
  color: var(--cg-text);
  font-family: var(--cg-font-body);
  font-size: .95rem;
}
.cg-reserve-field input:focus,
.cg-reserve-field select:focus,
.cg-reserve-field textarea:focus {
  outline: none;
  border-color: var(--cg-accent);
}
.cg-reserve-field textarea {
  min-height: 80px;
  resize: vertical;
}
.cg-reserve-note {
  font-family: var(--cg-font-body);
  font-size: .82rem;
  color: var(--cg-text-muted);
  line-height: 1.5;
  margin: 0;
}
.cg-reserve-note a { color: var(--cg-accent); }
.cg-reserve-actions {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: .5rem;
}

/* -------- Responsive -------- */
@media (max-width: 900px) {
  .cg-nav-links { display: none !important; }
  .cg-hamburger { display: inline-flex !important; }
  .cg-brand-sub { display: none; }
  .cg-brand-title { font-size: 1.15rem; }
  .cg-nav-inner { height: 68px; padding: 0 1rem; gap: .75rem; }
  .cg-sticky-cta { display: block; }
  body { padding-bottom: 84px; }
  .cg-reserve-grid { grid-template-columns: 1fr; }
}