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

:root {
    --void: #010804;
    --void-lift: #04140c;
    --sick-yellow: #e6db55;
    --sick-dim: #8a8440;
    --ghost: #2a3d30;
    --pulse: #1e4d2b;
    --warn: #c45c3e;
    --ok: #4a6b52;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--void);
    color: var(--sick-yellow);
    font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: hidden;
}

.noise {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.045;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 180px 180px;
}

.scanlines {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.15) 2px,
        rgba(0, 0, 0, 0.15) 4px
    );
}

.grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(30, 77, 43, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 77, 43, 0.07) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 75%);
}

.stage {
    position: relative;
    z-index: 3;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem 3rem;
    background: radial-gradient(ellipse 90% 70% at 50% 35%, var(--void-lift) 0%, var(--void) 65%);
}

.brand {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tagline {
    margin: 0;
    font-size: clamp(0.7rem, 2.5vw, 0.85rem);
    letter-spacing: 0.35em;
    text-transform: lowercase;
    color: var(--sick-dim);
}

.tagline-char {
    display: inline-block;
    animation: tagline-wave 3.2s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.12s);
}

.tagline-space {
    width: 0.35em;
}

.signal {
    position: relative;
    width: 12px;
    height: 12px;
    margin: 2.5rem 0;
}

.pulse-core {
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--pulse);
    box-shadow: 0 0 12px var(--pulse);
    animation: core-pulse 3s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--pulse);
    opacity: 0;
    animation: ring-expand 3s ease-out infinite;
}

.terminal {
    margin: 0;
    padding: 1.25rem 1.5rem;
    max-width: 28rem;
    width: 100%;
    border: 1px solid var(--ghost);
    background: rgba(4, 20, 12, 0.6);
    font-size: 0.75rem;
    line-height: 1.75;
    text-align: left;
    color: var(--ok);
}

.terminal code {
    font-family: inherit;
}

.line {
    display: block;
}

.dim {
    color: var(--ghost);
}

.warn {
    color: var(--warn);
}

.ok {
    color: var(--sick-dim);
}

.blink {
    color: var(--sick-yellow);
    animation: blink 2.5s step-end infinite;
}

.footer {
    margin-top: 3rem;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--ghost);
}

.footer-mark {
    margin-right: 0.5rem;
    color: var(--sick-dim);
    font-size: 0.5rem;
    vertical-align: middle;
}

@keyframes tagline-wave {
    0%, 100% { transform: translateY(0); }
    15% { transform: translateY(-0.35em); }
    30% { transform: translateY(0); }
}

@keyframes core-pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

@keyframes ring-expand {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 0; transform: scale(3.5); }
}

@keyframes blink {
    0%, 45%, 100% { opacity: 1; }
    50%, 95% { opacity: 0.15; }
}

@media (prefers-reduced-motion: reduce) {
    .tagline-char,
    .pulse-core,
    .pulse-ring,
    .blink {
        animation: none;
    }
}