*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    overflow-x: hidden;
    transition: background-color var(--theme-speed) var(--theme-ease), color var(--theme-speed) var(--theme-ease);
    background-image:
        radial-gradient(circle at 50% 0%, rgba(79, 70, 229, 0.02) 0%, transparent 70%),
        linear-gradient(rgba(15, 23, 42, 0.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.012) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
}

body.dark-theme {
    background-image:
        radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.04) 0%, transparent 65%),
        linear-gradient(rgba(255, 255, 255, 0.008) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
}

body.menu-open { overflow: hidden; }

.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: float-slow 20s ease-in-out infinite;
}
.orb-1 { width: 400px; height: 400px; top: -100px; left: -100px; background: rgba(99, 102, 241, 0.15); }
.orb-2 { width: 300px; height: 300px; bottom: -50px; right: -50px; background: rgba(168, 85, 247, 0.1); animation-delay: -10s; }

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 20px); }
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(100, 116, 139, 0.15); border-radius: 99px; }
body.dark-theme ::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.06); }

.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }