/* ════════════════════════════════════════════════════════════
   বাঙ্গালিরহাট — UI/UX Polish Layer
   এই ফাইলটা সম্পূর্ণ additive: style.css-এর কোনো রুল মোছা/পরিবর্তন
   করা হয়নি, শুধু উপরে নতুন লেয়ার যোগ করা হয়েছে। কিছু ভেঙে গেলে
   এই ফাইলটা <link> থেকে সরিয়ে দিলেই সাইট আগের অবস্থায় ফিরে যাবে।
   ════════════════════════════════════════════════════════════ */

/* ── Page-load fade — NO opacity gate on body (breaks mobile) ── */
body { opacity: 1; }

/* ── Global focus visibility (accessibility + polish) ────── */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, .btn:focus-visible {
    outline: none;
    box-shadow: var(--ring, 0 0 0 3px rgba(142, 31, 63, 0.22));
    border-radius: var(--radius-sm, 9px);
}

/* ── Smooth scroll disabled (prevents auto-jump) ─────────── */
html { scroll-behavior: auto; }

/* ── Refined scrollbar (desktop, webkit) ─────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg, #faf6ef); }
::-webkit-scrollbar-thumb { background: var(--border-strong, #d4c2a4); border-radius: 999px; border: 2px solid var(--bg, #faf6ef); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep, #9a7b34); }

/* ── Reveal-on-scroll (now visible by default — no hidden content) ── */
.bh-reveal { opacity: 1; transform: none; transition: opacity 0.5s ease, transform 0.5s cubic-bezier(.22,1,.36,1); }
.bh-reveal.bh-in { opacity: 1; transform: none; }

/* ── Button ripple (purely decorative overlay, never blocks clicks) ── */
.btn { position: relative; overflow: hidden; }
.bh-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    transform: scale(0);
    animation: bhRippleAnim 0.6s ease-out;
    pointer-events: none;
}
@keyframes bhRippleAnim {
    to { transform: scale(2.6); opacity: 0; }
}

/* ── Button loading state (opt-in via .is-loading class) ─── */
.btn.is-loading { color: transparent !important; pointer-events: none; opacity: 0.85; }
.btn.is-loading::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    top: 50%; left: 50%;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: bhSpin 0.7s linear infinite;
}
.btn-ghost.is-loading::before, .btn-gold.is-loading::before {
    border-color: rgba(20, 13, 8, 0.25);
    border-top-color: var(--ink, #1a130d);
}
@keyframes bhSpin { to { transform: rotate(360deg); } }

/* ── Image fade-in once loaded (now visible immediately) ──── */
img.bh-img-lazy { opacity: 1; transition: opacity 0.4s ease; }
img.bh-img-lazy.bh-img-loaded { opacity: 1; }

/* ── Skeleton shimmer (opt-in via .bh-skeleton) ──────────── */
.bh-skeleton {
    background: linear-gradient(100deg, var(--surface-2, #f3ecdf) 30%, #fff 50%, var(--surface-2, #f3ecdf) 70%);
    background-size: 200% 100%;
    animation: bhShimmer 1.4s ease-in-out infinite;
}
@keyframes bhShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Toast entrance polish ───────────────────────────────── */
.toast { animation: bhToastIn 0.35s cubic-bezier(.22,1,.36,1); }
@keyframes bhToastIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Verify-email banner entrance (matches existing flash style) ── */
.verify-email-banner { animation: bhToastIn 0.35s cubic-bezier(.22,1,.36,1); }

/* ── Back-to-top polish ───────────────────────────────────── */
.back-to-top { transition: transform 0.25s var(--ease, ease), opacity 0.25s ease, box-shadow 0.25s ease; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg, 0 24px 60px rgba(40,24,8,.18)); }

/* ── Respect reduced motion — overrides everything above ─── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    body, .bh-reveal, .toast, .verify-email-banner, .bh-img-lazy,
    .btn.is-loading::before, .bh-skeleton, .back-to-top {
        animation: none !important;
        transition: none !important;
    }
    body { opacity: 1; }
    .bh-reveal { opacity: 1; transform: none; }
}