/* ─────────────────────────────────────────────────────────────────────────
   Lavendell shared banner - hero + menu + tier bar.
   Loaded on every page; markup injected by /banner.js into #lavendell-banner.
   All classes are namespaced with `lb-` to avoid collisions with page CSS.
   ───────────────────────────────────────────────────────────────────────── */

body { padding-top: 1.25rem; background: var(--bg); }

#lavendell-banner { min-height: 360px; }   /* reserve space, prevent CLS */
/* …but drop the reservation once the banner is collapsed, so the page
   content below moves up to fill the freed space. The :has() variant covers
   modern browsers; .lb-mount-collapsed is a JS-toggled fallback on the mount
   itself for older browsers. */
#lavendell-banner.lb-mount-collapsed,
#lavendell-banner:has(.lb-banner.lb-collapsed) { min-height: 0; }

/* ── Banner shell ──────────────────────────────────────────────── */
.lb-banner {
    position: relative;
    padding: 4rem 1.5rem 2.5rem;
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 100%, rgba(212,168,67,0.06) 0%, transparent 50%),
        var(--bg);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s ease;
}
.lb-banner::before, .lb-banner::after {
    content: ''; position: absolute; left: 50%; transform: translateX(-50%);
    width: min(80%, 600px); height: 1px;
}
.lb-banner::before { top: 0; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.lb-banner::after { bottom: 0; background: linear-gradient(90deg, transparent, var(--border-glow), transparent); }

/* ── Hero (collapsible) ────────────────────────────────────────── */
.lb-hero {
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.3s ease;
    max-height: 600px;
}
.lb-hero h1 {
    font-family: 'Cinzel', serif; font-size: 4rem; font-weight: 700;
    color: var(--purple-bright); letter-spacing: 0.06em;
    margin: 0 0 0.5rem;
    text-shadow: 0 0 40px rgba(167,139,250,0.25);
}
.lb-hero .lb-sub { font-size: 1.15rem; color: var(--text-secondary); margin: 0 0 0.4rem; font-style: italic; }
.lb-hero .lb-tag { font-size: 0.95rem; color: var(--text-muted); margin: 0 auto 1.75rem; max-width: 520px; line-height: 1.7; }

.lb-actions { display: inline-flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.lb-btn {
    padding: 0.85rem 2rem; font-size: 1rem; font-weight: 700;
    border-radius: 4px; text-decoration: none; transition: all 0.2s;
    display: inline-flex; align-items: center;
}
.lb-btn-join { background: linear-gradient(135deg, var(--purple-dim), var(--purple)); color: #fff; border: none; }
.lb-btn-join:hover { opacity: 0.92; transform: translateY(-1px); }
.lb-btn-explore { background: var(--bg-elevated); color: var(--text); border: 1px solid var(--border); }
.lb-btn-explore:hover { border-color: var(--purple-dim); color: var(--purple-bright); }

/* ── Menu (text-link style with gold underline) ───────────────── */
.lb-menu {
    display: flex; justify-content: center; align-items: center;
    gap: 1.5rem; flex-wrap: wrap;
    margin: 2rem auto; max-width: 900px;
    position: static;
    background: transparent; backdrop-filter: none;
    border-bottom: none; padding: 0;
}
.lb-menu-items {
    display: flex; justify-content: center; align-items: center;
    gap: 1.5rem; flex-wrap: wrap;
}
.lb-link {
    position: relative;
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.4rem 0.1rem;
    background: transparent;
    color: var(--text-secondary);
    border: none; border-radius: 0;
    font-family: inherit; font-size: 0.95rem; font-weight: 700;
    letter-spacing: 0.02em; line-height: 1;
    text-decoration: none;
    cursor: pointer; user-select: none;
    box-shadow: none;
    transition: color 0.2s;
}
button.lb-link { appearance: none; -webkit-appearance: none; }
.lb-link::after {
    content: ''; position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 2px; background: var(--gold);
    transform: scaleX(0); transform-origin: center;
    transition: transform 0.25s ease;
}
.lb-link:hover, .lb-link.active { color: var(--purple-bright); }
.lb-link:hover::after, .lb-link.active::after { transform: scaleX(1); }

/* ── Dropdown groups ──────────────────────────────────────────── */
.lb-group { position: relative; display: inline-flex; }
.lb-group > .lb-link .lb-chev-down {
    font-size: 0.7rem; opacity: 0.6; line-height: 1;
    transition: transform 0.2s, opacity 0.2s;
}
.lb-group:hover > .lb-link, .lb-group.open > .lb-link { color: var(--purple-bright); }
.lb-group:hover > .lb-link::after, .lb-group.open > .lb-link::after { transform: scaleX(1); }
.lb-group:hover > .lb-link .lb-chev-down,
.lb-group.open > .lb-link .lb-chev-down { transform: rotate(180deg); opacity: 1; }

.lb-dropdown {
    position: absolute; top: 100%; left: 50%;
    transform: translateX(-50%);
    margin-top: 0.75rem; min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.35rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.45);
    display: none; flex-direction: column; gap: 0;
    z-index: 1000;
}
/* Bridge the gap so hover doesn't break when moving from link into dropdown */
.lb-dropdown::after {
    content: ''; position: absolute;
    top: -0.75rem; left: 0; right: 0; height: 0.75rem;
}
.lb-group:hover .lb-dropdown,
.lb-group.open .lb-dropdown { display: flex; }
.lb-dropdown a {
    display: block;
    color: var(--text-secondary); text-decoration: none;
    padding: 0.55rem 0.85rem; border-radius: 3px;
    font-family: inherit; font-size: 0.88rem; font-weight: 700;
    white-space: nowrap; letter-spacing: 0.02em;
    transition: background 0.15s, color 0.15s;
}
.lb-dropdown a:hover, .lb-dropdown a.active {
    background: var(--purple-bg); color: var(--purple-bright);
}

/* ── Mini brand (only visible when the banner is collapsed) ──── */
.lb-brand-mini {
    position: absolute; top: 0.95rem; left: 1.25rem;
    font-family: 'Cinzel', serif; font-weight: 700;
    font-size: 1.05rem; letter-spacing: 0.06em;
    color: var(--purple-bright);
    text-decoration: none;
    z-index: 10;
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s;
}
.lb-brand-mini:hover { color: #fff; }
.lb-banner.lb-collapsed .lb-brand-mini {
    opacity: 1; pointer-events: auto;
}
/* Hide the mini brand on mobile - the hamburger occupies that space */
@media (max-width: 800px) {
    .lb-brand-mini { display: none; }
}

/* ── Collapse toggle (top-right of the banner) ────────────────── */
.lb-collapse-toggle {
    position: absolute; top: 0.85rem; right: 1rem;
    width: 30px; height: 30px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    font-size: 0.85rem; line-height: 1;
    display: inline-flex; align-items: center; justify-content: center;
    z-index: 10;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
button.lb-collapse-toggle { appearance: none; -webkit-appearance: none; }
.lb-collapse-toggle:hover {
    color: var(--purple-bright);
    border-color: var(--purple-dim);
    background: var(--bg-card);
}
.lb-collapse-toggle .lb-chev { transition: transform 0.3s; display: inline-block; }
.lb-banner.lb-collapsed .lb-collapse-toggle .lb-chev { transform: rotate(180deg); }

/* Collapsed state hides the hero block + tier bar */
.lb-banner.lb-collapsed { padding: 1rem 1.5rem; }
.lb-banner.lb-collapsed .lb-hero { max-height: 0; opacity: 0; margin: 0; }
.lb-banner.lb-collapsed .lb-menu { margin: 0 auto; }
.lb-banner.lb-collapsed + .lb-tier { display: none; }

/* ── Tier bar ─────────────────────────────────────────────────── */
.lb-tier {
    max-width: 900px; margin: -15px auto 0;
    padding: 0 1.5rem 0.5rem;
    position: relative; z-index: 5;
}
.lb-tier-track {
    position: relative;
    display: grid;
    grid-template-columns: repeat(var(--tier-count, 10), 1fr);
    align-items: start;
}
.lb-tier-track::after {
    content: ''; position: absolute;
    top: 14px; left: calc(100% / var(--tier-count, 10) / 2);
    width: var(--tier-fill, 0%);
    height: 2px; background: var(--text-secondary);
    z-index: 1; transition: width 0.4s ease;
}
.lb-tier-step {
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    position: relative; z-index: 2;
}
.lb-tier-dot {
    width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem; font-weight: 700;
    background: var(--bg-elevated); border: 2px solid var(--border);
    color: var(--text-muted);
    transition: all 0.2s;
}
/* Achieved tiers - ticked with the muted text-secondary tone (same as the
   "A BitCraft Online Settlement" subtitle). */
.lb-tier-step.done .lb-tier-dot {
    background: var(--purple);
    border-color: var(--text-secondary);
    color: var(--bg);
}
.lb-tier-step.done .lb-tier-label { color: var(--text-secondary); }

/* Current tier - same purple gradient as the Join Lavendell button, larger. */
.lb-tier-step.current .lb-tier-dot {
    width: 38px; height: 38px; margin-top: -4px;
    background: var(--purple);
    border-color: var(--purple);
    color: #fff; font-size: 0.9rem;
    box-shadow: 0 0 0 4px rgba(167,139,250,0.18);
}
.lb-tier-step.current .lb-tier-label { color: var(--purple-bright); margin-top: -4px; }

/* Next tier - default size like the upcoming tiers, but with a purple-bright
   border so it reads as the next milestone. */
.lb-tier-step.next .lb-tier-dot {
    background: var(--bg-elevated);
    border-color: var(--purple-bright);
    color: var(--purple-bright);
}
.lb-tier-step.next .lb-tier-label { color: var(--text-secondary); }
a.lb-tier-step { text-decoration: none; cursor: pointer; }
a.lb-tier-step:hover .lb-tier-dot {
    background: rgba(167,139,250,0.12);
    box-shadow: 0 0 0 4px rgba(167,139,250,0.18);
}
a.lb-tier-step:hover .lb-tier-label { color: var(--purple-bright); }

.lb-tier-label {
    font-size: 0.78rem; font-weight: 700;
    color: var(--text-muted); letter-spacing: 0.02em;
}

/* ── Mobile hamburger (hidden on desktop) ─────────────────────── */
.lb-hamburger {
    display: none;
    background: var(--bg-elevated); border: 1px solid var(--border);
    color: var(--text); padding: 0.55rem 1.2rem; border-radius: 4px;
    font-size: 0.95rem; font-weight: 700; cursor: pointer;
    margin: 0 auto;
    align-items: center; gap: 0.5rem;
}
.lb-hamburger:hover { border-color: var(--purple-dim); color: var(--purple-bright); }

/* ── Mobile breakpoint ────────────────────────────────────────── */
@media (max-width: 800px) {
    #lavendell-banner { min-height: 0; }
    .lb-banner { padding: 2.5rem 1rem 2rem; }
    .lb-hero h1 { font-size: 2.6rem; }
    .lb-hero .lb-sub { font-size: 1rem; }
    .lb-hero .lb-tag { font-size: 0.88rem; margin-bottom: 1.25rem; }

    /* Menu becomes hamburger + drawer.
       The hamburger is a sibling of `.lb-menu`, so we space it from the
       action buttons via its own margin-top, and zero out `.lb-menu`'s
       default 2rem margins (the drawer carries its own spacing instead). */
    .lb-menu { gap: 0; margin: 0 auto; }
    .lb-hamburger {
        display: inline-flex;
        margin-top: 1.5rem;
    }
    .lb-menu-items {
        display: none; flex-direction: column; align-items: stretch;
        gap: 0.25rem; width: 100%; max-width: 320px;
        margin: 1rem auto 0; padding: 0.75rem;
        background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px;
    }
    .lb-menu.open .lb-menu-items { display: flex; }
    /* Same collapsed-state override as desktop, but the menu has no top margin
       to zero out here - keep it explicit anyway. */
    .lb-banner.lb-collapsed .lb-hamburger { margin-top: 0; }

    /* Override the banner-wide `text-align: center` so menu items read flush
       with the left edge of the drawer on mobile. */
    .lb-menu-items, .lb-link, .lb-dropdown, .lb-dropdown a { text-align: left; }

    .lb-link {
        padding: 0.65rem 0.75rem; font-size: 0.95rem;
        justify-content: flex-start; width: 100%;
    }
    /* Dropdown parents keep the chevron right-aligned via space-between. */
    .lb-group > .lb-link { justify-content: space-between; }
    .lb-link::after { display: none; }

    .lb-group { display: flex; flex-direction: column; width: 100%; }
    .lb-dropdown {
        position: static; transform: none; box-shadow: none;
        background: transparent; border: none;
        padding: 0 0 0 1rem; margin: 0;
        min-width: 0; z-index: auto;
    }
    .lb-dropdown::after { display: none; }
    .lb-group.open .lb-dropdown { display: flex; }
    .lb-dropdown a { font-size: 0.88rem; padding: 0.5rem 0.75rem; }

    /* Tier bar mobile sizing */
    .lb-tier { margin-top: -12px; padding: 0 0.75rem 0.5rem; }
    .lb-tier-dot { width: 24px; height: 24px; font-size: 0.7rem; border-width: 1.5px; }
    .lb-tier-step.current .lb-tier-dot { width: 30px; height: 30px; margin-top: -3px; font-size: 0.78rem; }
    .lb-tier-step.current .lb-tier-label { margin-top: -3px; }
    .lb-tier-track::after { top: 11px; }
    .lb-tier-label { font-size: 0.6rem; letter-spacing: 0; }
}