html,
body {
    height: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    letter-spacing: 0.01em;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

.text-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.bg-stage {
    position: fixed;
    inset: 0;
    z-index: var(--z-bg);
    overflow: hidden;
    pointer-events: none;
}

.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    will-change: transform;
}

.bg-blob-1 {
    width: 44vmax;
    height: 44vmax;
    top: -12vmax;
    left: -10vmax;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.34), transparent 65%);
    animation: blob-drift-1 42s ease-in-out infinite alternate;
}

.bg-blob-2 {
    width: 38vmax;
    height: 38vmax;
    bottom: -14vmax;
    right: -8vmax;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.22), transparent 65%);
    animation: blob-drift-2 48s ease-in-out infinite alternate;
}

.bg-blob-3 {
    width: 30vmax;
    height: 30vmax;
    top: 40%;
    left: 45%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 65%);
    animation: blob-drift-3 56s ease-in-out infinite alternate;
}

.bg-beam {
    position: absolute;
    top: -20%;
    width: 34vmax;
    height: 150%;
    opacity: 0.05;
    transform: rotate(18deg);
    background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.55), transparent);
}

.bg-beam-1 {
    left: 12%;
    animation: beam-sway 26s ease-in-out infinite alternate;
}

.bg-beam-2 {
    right: 8%;
    transform: rotate(-22deg);
    background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.4), transparent);
    animation: beam-sway 32s ease-in-out infinite alternate-reverse;
}

.bg-particles {
    position: absolute;
    inset: 0;
}

.bg-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.55);
    left: calc(var(--i) * 10.5% + 4%);
    top: calc(var(--i) * 13% + 8%);
    animation: particle-float calc(14s + var(--i) * 2.2s) ease-in-out calc(var(--i) * -1.8s) infinite alternate;
    opacity: calc(0.25 + var(--i) * 0.06);
}

.bg-noise {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.6'/></svg>");
}

.bg-vignette {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%),
        radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.07), transparent 55%);
}

.page-content::-webkit-scrollbar {
    width: 5px;
}

.page-content::-webkit-scrollbar-track {
    background: transparent;
}

.page-content::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.28);
    border-radius: 99px;
}

.page-content::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.5);
}

.page-content {
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.28) transparent;
}