/* ============================================================
   CKF CANONICAL NAV  (assets/css/nav.css)
   Desktop (>980px): logo + .nav-links + .nav-cta pills, dropdowns.
   Mobile (<=980px): brand row (logo + hamburger) + flat top CTA
   band + off-canvas drawer with accordion groups.
   Consumes :root tokens already declared on every page
   (--white, --cream, --ink, --ink-soft, --line, --muted,
   --container, --r-pill, --bright-yellow, --charleys-deep-red,
   --tan, --ckf-red-deep, --font-display, --font-body).
   Brand mark, CTA-only red, gold-only Buy a Book, hard shadow on
   standalone pill buttons, pinch-zoom: all preserved.
   ============================================================ */

:root{ --nav-h:72px; --gutter:clamp(20px, 5vw, 32px); }

/* ---------------------------------------------------------------
   GLOBAL LAYOUT (Phase 2) — loaded site-wide via nav.css
   2b overflow backstop: clip (not hidden) keeps sticky nav + pinch
   zoom intact while preventing any stray horizontal scroll.
   2a responsive gutter: desktop unchanged (clamps to 32px at >=640px),
   shrinks toward 20px on small phones.
   --------------------------------------------------------------- */
html, body{ overflow-x:clip; }
.wrap{ padding-left:var(--gutter); padding-right:var(--gutter); }

/* 2d shared hero two-button group: keep both buttons on one row at
   <=600px (equal halves, shrunk padding/font) instead of stacking.
   Hard pill shadow on the buttons themselves is untouched. */
@media (max-width:600px){
  .hero-ctas, .ab-hero-ctas, .la-hero-ctas{
    display:flex; flex-wrap:nowrap; gap:10px; width:100%; align-items:stretch;
  }
  .hero-ctas > a, .ab-hero-ctas > a, .la-hero-ctas > a{
    flex:1 1 0; min-width:0; justify-content:center;
    padding-left:12px; padding-right:12px; font-size:14px; white-space:nowrap;
  }
  /* 2c: index hero headline phrase must not clip on narrow screens */
  .hero-plain{ white-space:normal; }
}

/* ---------------------------------------------------------------
   SHARED / DESKTOP  (reproduces the current desktop nav exactly)
   --------------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:300;background:var(--white);border-bottom:1px solid rgba(32,41,38,.08);}
.nav-inner{max-width:var(--container);margin:0 auto;padding:14px 32px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;height:48px;}
.logo img{height:48px;width:auto;display:block;}

.nav-links{display:flex;gap:2px;justify-content:center;}
.nav-links > a,.nav-item > a{padding:8px 14px;font-size:14px;font-weight:500;color:var(--ink);border-radius:var(--r-pill);position:relative;transition:color .15s;display:inline-flex;align-items:center;gap:6px;text-decoration:none;}
.nav-links > a::after,.nav-item > a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--bright-yellow);transform:scaleX(0);transform-origin:left;transition:transform 150ms ease;}
.nav-links > a:hover::after,.nav-item > a:hover::after{transform:scaleX(1);}
.nav-links > a.active{color:var(--charleys-deep-red);}
.nav-links > a.active::after{transform:scaleX(1);}
.nav-cta{display:flex;gap:8px;align-items:center;justify-content:flex-end;}

/* dropdowns */
.nav-item{position:relative;display:inline-block;}
.nav-item .chevron{width:14px;height:14px;display:inline-flex;align-items:center;justify-content:center;transition:transform 200ms ease;flex-shrink:0;}
.nav-item.open .chevron{transform:rotate(180deg);}
.nav-item.active > a::after{transform:scaleX(1);}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;background:var(--white);border:1.5px solid var(--line);border-radius:20px;padding:12px;min-width:280px;box-shadow:0 8px 32px rgba(32,41,38,.10);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity 200ms ease, transform 200ms ease, visibility 200ms ease;z-index:300;}
.nav-item.open .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-item{display:flex;flex-direction:column;gap:3px;padding:12px 16px;border-radius:12px;text-decoration:none;color:var(--ink);transition:background 150ms ease;}
.dropdown-item:hover{background:var(--tan);}
.dropdown-item:hover .di-label,.dropdown-item.active .di-label{color:var(--charleys-deep-red);}
.dropdown-item.active{background:var(--tan);cursor:default;}
.dropdown-item .di-label{font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--ink);letter-spacing:-.01em;}
.dropdown-item .di-desc{font-size:12px;color:var(--muted);line-height:1.4;font-weight:400;}
.dropdown-divider{height:1px;background:var(--line);margin:6px 0;}
.dd-group-label{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:6px 16px 2px;display:block;}
.dropdown-item.dd-indent{padding-left:22px;}

/* mobile-only elements are hidden on desktop */
.nav-toggle,.nav-drawer,.nav-scrim{display:none;}

/* ---------------------------------------------------------------
   MOBILE  <=980px
   --------------------------------------------------------------- */
@media (max-width:980px){
  /* brand row: logo + hamburger only */
  .nav-inner{grid-template-columns:1fr auto;gap:16px;padding:12px var(--gutter,20px);min-height:var(--nav-h);}
  .nav-links{display:none;}
  .nav-cta{display:none;}

  /* hamburger toggle (icon ink, never red) */
  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;background:none;border:none;cursor:pointer;border-radius:10px;}
  .nav-toggle-bar{display:block;width:24px;height:2.5px;border-radius:2px;background:#202926;transition:transform .25s ease, opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

  /* scrim */
  .nav-scrim{display:block;position:fixed;inset:0;background:rgba(32,41,38,.45);opacity:0;visibility:hidden;transition:opacity .3s ease, visibility .3s ease;z-index:400;}
  .nav-scrim.open{opacity:1;visibility:visible;}

  /* off-canvas drawer (cream, slides from right) */
  .nav-drawer{display:flex;flex-direction:column;position:fixed;top:0;right:0;width:min(86vw,360px);height:100%;height:100dvh;background:var(--cream);z-index:500;transform:translateX(100%);transition:transform .3s cubic-bezier(.22,1,.36,1);overflow-y:auto;box-shadow:-8px 0 32px rgba(32,41,38,.18);}
  .nav-drawer.open{transform:translateX(0);}
  .nav-drawer-head{display:flex;justify-content:flex-end;padding:14px 18px 6px;}
  .nav-drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:#202926;border-radius:10px;font-size:22px;line-height:1;}

  .nav-drawer-links{list-style:none;margin:0;padding:0 16px;}
  .nav-drawer-links > li{border-bottom:1px solid var(--line);}
  .nav-drawer-links > li > a{display:block;padding:15px 8px;font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink);text-decoration:none;}
  .nav-drawer-links > li > a.active{color:var(--charleys-deep-red);}

  .nav-drawer-acc{display:flex;align-items:center;justify-content:space-between;width:100%;padding:15px 8px;background:none;border:none;cursor:pointer;font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink);text-align:left;}
  .nav-drawer-acc .chevron{width:14px;height:14px;display:inline-flex;align-items:center;justify-content:center;transition:transform .25s ease;flex-shrink:0;}
  .nav-drawer-acc[aria-expanded="true"] .chevron{transform:rotate(180deg);}
  .nav-drawer-panel{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .nav-drawer-panel a{display:block;padding:11px 8px 11px 20px;font-family:var(--font-body);font-weight:500;font-size:15px;color:var(--ink-soft);text-decoration:none;}
  .nav-drawer-panel a.active{color:var(--charleys-deep-red);font-weight:700;}
  .nav-drawer-panel .dd-group-label{padding:10px 8px 2px 20px;}

  /* drawer CTAs: full-width standalone pills WITH the hard shadow */
  .nav-drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding:22px 24px 32px;}
  .nav-drawer-btn{display:flex;align-items:center;justify-content:center;min-height:52px;border-radius:var(--r-pill);font-family:var(--font-body);font-weight:700;font-size:16px;text-decoration:none;}
  .nav-drawer-volunteer{background:#E31837;color:#FFFFFF;box-shadow:0 6px 0 var(--ckf-red-deep,#5C0000);}
  .nav-drawer-book{background:var(--white);color:var(--ink);border:1.5px solid var(--ink);}
}

@media (prefers-reduced-motion: reduce){
  .nav-drawer,.nav-scrim,.nav-drawer-panel,.nav-toggle-bar{transition:none;}
}