/* ============================================================
   AG HEADER v2.6 (assembled) — Liminal Means, homepage reference
   Canonical drop-in: sectors/web/library/ag-components/ag-header.css
   Painted with LM tokens. Loaded after styles.css. Pairs with ag-header.js.
   ============================================================ */

/* ---- Token bridge: ag-header contract -> Liminal Means ---- */
.ag-header, .ag-drawer, .ag-backdrop {
  --header-bg: rgba(13, 13, 11, 0.82);
  --header-border: rgba(200, 146, 74, 0.30);
  --header-h: 74px;
  --max-w: 1400px;
  --section-padding-inline: var(--space-container);
  --logo-size: 1.25rem;
  --space-md: 1rem;
  --space-lg: clamp(1.25rem, 0.9rem + 1.5vw, 2rem);
  --radius-md: 12px;
  --text-primary: var(--cream);
  --text-secondary: rgba(237, 226, 216, 0.85);
  --accent: var(--gold);
  --brand-primary: var(--dark);
  --brand: var(--gold);
  --brand-700: #a6752f;
  --brand-rgb: 200, 146, 74;
  --ink: var(--black);
  --on-ink: var(--cream);
  --on-ink-soft: rgba(237, 226, 216, 0.5);
  --c-white: #ffffff;
  --c-mint: var(--sage);
  --mint-glow: rgba(138, 145, 120, 0.35);
  --glass-08: rgba(237, 226, 216, 0.08);
  --glass-12: rgba(237, 226, 216, 0.12);
  --drawer-backdrop: rgba(13, 13, 11, 0.62);
  --drawer-close-border: rgba(237, 226, 216, 0.18);
  --scrim-45: rgba(0, 0, 0, 0.45);
  --sh-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --font-heading: var(--h2);
  --font-display: var(--h2);
  --font-body: var(--body);
  --fw-hero: 700;
  --fw-h2: 600;
  --fw-h3: 500;
  --text-sm: 0.8rem;
  --duration-quick: 0.3s;
  --duration-medium: 0.6s;
  --ease-satisfying: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-settle: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------------- Header ---------------- */
.ag-header {
  position: fixed; top: var(--ag-announcement-bar-height, 0px); left: 0; right: 0; z-index: 100;
  background: var(--header-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
  transition: transform var(--duration-quick) var(--ease-satisfying),
    background-color var(--duration-medium) var(--ease-soft),
    border-color var(--duration-medium) var(--ease-soft);
}
.ag-header.is-hidden { transform: translateY(-140%); }
/* Scrim behind the transparent header so the cream logo + nav read over the
   light ink-wash hero (LM hero is light-grey, not dark). Fades into the hero. */
.ag-header::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 220%; z-index: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(13, 13, 11, 0.72) 0%, rgba(13, 13, 11, 0.42) 42%, rgba(13, 13, 11, 0) 100%);
  opacity: 0; transition: opacity var(--duration-medium) var(--ease-soft);
}
.ag-header.is-transparent::before { opacity: 1; }
.ag-header__row { position: relative; z-index: 1; }
.ag-header.is-transparent {
  background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}
/* Over the hero: whiten the dark logo + subtle shadow to lift it off the hero */
.ag-header.is-transparent .ag-header__logo { filter: brightness(0) invert(1) drop-shadow(0 1px 8px rgba(0, 0, 0, 0.5)); }
.ag-header.is-transparent .ag-header__nav a:not(.ag-button) { color: rgba(255, 255, 255, 0.92); }
@media (hover: hover) { .ag-header.is-transparent .ag-header__nav a:not(.ag-button):hover { color: #fff; } }
.ag-header.is-transparent .ag-nav-link-arrow { color: var(--gold); }
.ag-header.is-transparent .ag-hamburger { color: #fff; }
.ag-header__row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; height: var(--header-h);
  padding: 12px var(--section-padding-inline); max-width: var(--max-w); margin-inline: auto; gap: var(--space-md);
}
.ag-header__brand {
  display: inline-flex; align-items: center; gap: 9px; text-decoration: none;
  min-height: 49px; line-height: 1;
}
.ag-header__logo { height: 46px; width: auto; display: block; filter: brightness(0) invert(1); }
@media (max-width: 1000px) { .ag-header__logo { height: 40px; } }
.ag-header__nav { display: flex; align-items: center; justify-self: center; gap: var(--space-lg); }

/* LM nav-link type: Gradient font, uppercase, tracked — keeps LM character;
   AG "Golden Touch" hover (gold underline wipe under the word + arrow drop). */
.ag-header__nav a:not(.ag-button) {
  position: relative; display: inline-flex; align-items: center; min-height: 49px;
  padding: 6px 1.7em 6px 0; overflow: hidden;
  font-family: var(--sub); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); text-decoration: none;
  transition: color var(--duration-quick) var(--ease-satisfying);
}
.ag-nav-link-label { display: inline-block; transform-origin: center; transition: transform var(--duration-quick) var(--ease-satisfying); }
.ag-header__nav a:not(.ag-button)::after {
  content: ""; position: absolute; left: 0; right: 1.7em; bottom: 0; height: 1.5px;
  background: var(--accent); transform: scaleX(0); transform-origin: left center;
  transition: transform var(--duration-medium) var(--ease-satisfying);
}
.ag-nav-link-arrow {
  position: absolute; right: 0; top: 50%; color: var(--accent); font-size: 1em; line-height: 1;
  opacity: 0; transform: translateY(-180%);
  transition: transform var(--duration-medium) var(--ease-satisfying), opacity var(--duration-quick) var(--ease-soft);
}
@media (hover: hover) {
  .ag-header__nav a:not(.ag-button):hover { color: var(--accent); }
  .ag-header__nav a:not(.ag-button):hover .ag-nav-link-label { transform: scale(1.03); }
  .ag-header__nav a:not(.ag-button):hover::after { transform: scaleX(1); }
  .ag-header__nav a:not(.ag-button):hover .ag-nav-link-arrow { opacity: 1; transform: translateY(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ag-nav-link-label, .ag-nav-link-arrow, .ag-header__nav a:not(.ag-button)::after { transition: none; }
}

/* Active page: keep its underline drawn + gold text (both transparent + solid) */
.ag-header__nav a:not(.ag-button)[aria-current="page"] { color: var(--accent); }
.ag-header__nav a:not(.ag-button)[aria-current="page"]::after { transform: scaleX(1); }
.ag-header.is-transparent .ag-header__nav a:not(.ag-button)[aria-current="page"] { color: var(--accent); }
.ag-header.is-transparent .ag-header__nav a:not(.ag-button)[aria-current="page"]::after { background: var(--accent); }

/* Header CTA — LM gold button, compact. .ag-button is the collapse/measure hook. */
.ag-header__row > .ag-button {
  justify-self: end; width: fit-content; min-width: 0;
  display: inline-flex; align-items: center; justify-content: center; text-align: center;
  padding: 0.55rem 1.35rem; font-size: 0.78rem;
}
.ag-drawer__cta.ag-button { min-width: 0; display: inline-flex; align-items: center; justify-content: center; }

.ag-header__toggle {
  display: none; width: 49px; height: 49px; background: transparent; border: 0; cursor: pointer; padding: 0;
  align-items: center; justify-content: center; touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.ag-hamburger { position: relative; width: 28px; height: 14px; display: block; background: transparent; color: var(--text-primary); }
.ag-hamburger::before, .ag-hamburger::after {
  content: ""; position: absolute; right: 0; height: 2px; background: currentColor; border-radius: 1px;
  transform-origin: center; transition: width 420ms var(--ease-satisfying), transform 520ms var(--ease-settle);
}
.ag-hamburger::before { top: 2px; width: 14px; }
.ag-hamburger::after { top: 10px; width: 28px; transition-delay: 0ms, 100ms; }
body.is-dropdown-open .ag-hamburger::before { width: 22px; transform: translate(-3px, 4px) rotate(135deg); }
body.is-dropdown-open .ag-hamburger::after { width: 22px; transform: translate(-3px, -4px) rotate(45deg); transition-delay: 0ms, 100ms; }

/* Slack-based auto-collapse */
@media (max-width: 900px) {
  .ag-header__nav, .ag-header__row > .ag-button { display: none; }
  .ag-header__toggle { display: inline-flex; justify-self: end; }
  .ag-header__row { grid-template-columns: 1fr auto; padding-inline: 21px; }
}
.ag-header.is-collapsed .ag-header__nav,
.ag-header.is-collapsed .ag-header__row > .ag-button { display: none; }
.ag-header.is-collapsed .ag-header__toggle { display: inline-flex; justify-self: end; }
.ag-header.is-collapsed .ag-header__row { grid-template-columns: 1fr auto; }
@media (min-width: 701px) {
  .ag-header.is-expanded .ag-header__nav { display: flex; }
  .ag-header.is-expanded .ag-header__row > .ag-button { display: inline-flex; }
  .ag-header.is-expanded .ag-header__toggle { display: none; }
  .ag-header.is-expanded .ag-header__row { grid-template-columns: auto 1fr auto; }
}
.ag-header[data-nav-measuring] .ag-header__nav,
.ag-header[data-nav-measuring] .ag-header__row > .ag-button {
  display: flex !important; visibility: hidden !important;
  position: absolute !important; pointer-events: none !important;
}

/* ---------------- Slide-from-right drawer ---------------- */
.ag-backdrop {
  position: fixed; inset: 0; background: var(--drawer-backdrop); z-index: 101; opacity: 0;
  pointer-events: none; transition: opacity var(--duration-quick) var(--ease-satisfying);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.ag-backdrop[hidden] { display: none; }
.ag-backdrop.is-open { opacity: 1; pointer-events: auto; }

.ag-drawer {
  position: fixed; top: 0; right: 0; width: clamp(320px, 34vw, 440px); height: 100dvh;
  color: var(--on-ink); z-index: 110; transform: translateX(100%);
  background-color: var(--ink);
  background-image:
    radial-gradient(130% 80% at 100% 0%, rgb(var(--brand-rgb) / 0.26), transparent 58%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 46%);
  border-left: 1px solid var(--glass-12);
  transition: transform var(--duration-medium) var(--ease-satisfying);
  display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch; box-shadow: -28px 0 72px var(--scrim-45);
  padding-bottom: env(safe-area-inset-bottom);
}
.ag-drawer[hidden] { display: none; }
.ag-drawer.is-open { transform: translateX(0); }
@supports not (height: 100dvh) { .ag-drawer { height: 100vh; } }

.ag-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: calc(22px + env(safe-area-inset-top)) 28px 18px; border-bottom: 1px solid var(--glass-08); }
.ag-drawer__brand { display: flex; align-items: center; gap: 10px; }
.ag-drawer__logo { height: 40px; width: auto; display: block; filter: brightness(0) invert(1); }
.ag-drawer__close {
  width: 49px; height: 49px; display: grid; place-items: center; background: var(--glass-08);
  border: 1px solid var(--drawer-close-border); border-radius: var(--radius-md); color: var(--on-ink);
  transition: background-color var(--duration-quick) var(--ease-satisfying), border-color var(--duration-quick) var(--ease-satisfying), transform var(--duration-quick) var(--ease-satisfying);
  touch-action: manipulation; cursor: pointer;
}
@media (hover: hover) { .ag-drawer__close:hover { background: var(--accent); border-color: var(--accent); color: var(--c-white); transform: rotate(90deg); } }

.ag-drawer__list { list-style: none; margin: 0; padding: 28px 20px 12px; display: flex; flex-direction: column; gap: 2px; flex: 0 0 auto; }
.ag-drawer__list li { opacity: 0; transform: translateX(20px); transition: opacity var(--duration-quick) var(--ease-satisfying), transform var(--duration-quick) var(--ease-satisfying); transition-delay: calc(0.18s + (var(--i, 0) * 0.06s)); }
.ag-drawer.is-open .ag-drawer__list li { opacity: 1; transform: none; }
.ag-drawer__list a {
  position: relative; display: flex; align-items: baseline; gap: 14px; min-height: 49px;
  padding: 15px 16px; border-radius: 12px; text-decoration: none;
  transition: background-color var(--duration-quick) var(--ease-satisfying), padding-left var(--duration-quick) var(--ease-satisfying);
}
.ag-drawer__list a::before {
  content: ""; position: absolute; left: 4px; top: 50%; width: 3px; height: 56%; border-radius: 3px;
  background: var(--accent); transform: translateY(-50%) scaleY(0); transform-origin: center;
  transition: transform var(--duration-quick) var(--ease-satisfying);
}
.ag-drawer__index { font-family: var(--body); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; color: var(--accent); opacity: 0.7; min-width: 1.7em; }
.ag-drawer__label { flex: 1; font-family: var(--h2); font-size: clamp(1.5rem, 5vw, 1.95rem); font-weight: 500; color: var(--on-ink); letter-spacing: 0.01em; line-height: 1.1; transition: color var(--duration-quick) var(--ease-satisfying); }
.ag-drawer__chev { align-self: center; color: var(--accent); font-size: 1.15rem; opacity: 0; transform: translateX(-7px); transition: opacity var(--duration-quick) var(--ease-satisfying), transform var(--duration-quick) var(--ease-satisfying); }
.ag-drawer__list a[aria-current="page"] { background: var(--glass-08); }
.ag-drawer__list a[aria-current="page"]::before { transform: translateY(-50%) scaleY(1); }
.ag-drawer__list a[aria-current="page"] .ag-drawer__chev { opacity: 1; transform: none; }
@media (hover: hover) {
  .ag-drawer__list a:hover { background: var(--glass-08); padding-left: 22px; }
  .ag-drawer__list a:hover::before { transform: translateY(-50%) scaleY(1); }
  .ag-drawer__list a:hover .ag-drawer__label { color: var(--c-white); }
  .ag-drawer__list a:hover .ag-drawer__chev { opacity: 1; transform: none; }
}

.ag-drawer__foot { margin-top: auto; padding: 20px 28px calc(26px + env(safe-area-inset-bottom)); border-top: 1px solid var(--glass-12); display: flex; flex-direction: column; gap: 14px; }
.ag-drawer__cta { width: 100%; justify-content: center; }
.ag-drawer__note { display: flex; align-items: center; gap: 9px; color: var(--on-ink); font-weight: 500; letter-spacing: 0.01em; font-size: var(--text-sm); margin: 0; }
.ag-drawer__note-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-mint); box-shadow: 0 0 0 4px var(--mint-glow); flex: none; }

@media (max-width: 640px) { .ag-drawer { width: min(88vw, 400px); } }
@media (max-width: 400px) { .ag-drawer { width: 100vw; } }
@media (prefers-reduced-motion: reduce) { .ag-drawer, .ag-backdrop, .ag-drawer__list li { transition: none !important; } .ag-drawer__list li { transform: none; } }