/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Navbar ── */
#navbar {
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
#navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Floating Stat Cards ── */
.float-card-1 { animation: float1 4s ease-in-out infinite; }
.float-card-2 { animation: float2 4.5s ease-in-out infinite; }
.float-card-3 { animation: float3 5s ease-in-out infinite; }
.float-card-4 { animation: float4 4.2s ease-in-out infinite; }

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}
@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

/* ── Reveal Animations ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

/* Default visible state for progressive enhancement */
.reveal {
    transform: translateY(0);
    opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Button hover glow ── */
a:hover { transition: all 0.2s ease; }

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-link {
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.mobile-link:hover {
    color: #FF8560;
    padding-left: 8px;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1A1A1A; }
::-webkit-scrollbar-thumb { background: #FF6B45; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #FF8560; }

/* ── Selection ── */
::selection { background: #FF6B45; color: #0D0D0D; }

/* ── Focus visible ── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #FF6B45;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ── Image placeholder fallback ── */
img { max-width: 100%; height: auto; }