/* ── Custom overrides & utilities ── */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Ensure navbar doesn't overlap content */
#navbar {
    padding-top: 0.5rem;
}

/* ── Reveal animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    /* Staggered delays */
    .reveal.delay-100 { transition-delay: 0.1s; }
    .reveal.delay-200 { transition-delay: 0.2s; }
    .reveal.delay-300 { transition-delay: 0.3s; }
}

/* ── FAQ Accordion ── */
.faq-btn {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-content.open {
    max-height: 200px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* ── Selection color ── */
::selection {
    background: #99f6e4;
    color: #0f766e;
}

/* ── Focus visible styles ── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Mobile menu transition ── */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

#navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

/* ── Image loading placeholder ── */
img {
    background-color: #e2e8f0;
}