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

:root {
    color-scheme: dark;
    --bg: #080816;
    --cyan: #00f5ff;
    --blue: #4d7cff;
    --violet: #8a5cff;
    --pink: #ff4fd8;
    --text: #fff;
    --muted: rgba(255, 255, 255, 0.68);
}

html,
body {
    width: 100%;
    min-width: 320px;
    height: 100%;
    overflow: hidden;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0.08;
    background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(circle at center, #000 10%, transparent 82%);
    mask-image: radial-gradient(circle at center, #000 10%, transparent 82%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 30%, rgba(2,2,12,.36) 100%);
}

#pixi-container {
    position: fixed;
    inset: 0;
    z-index: 0;
}

#pixi-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.brand {
    position: fixed;
    top: 30px;
    left: 38px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    line-height: .9;
    pointer-events: none;
}

.brand-primary,
.brand-secondary {
    font-weight: 900;
    letter-spacing: 5px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet), var(--pink), var(--cyan));
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: brand-flow 7s linear infinite;
}

.brand-primary { font-size: 13px; letter-spacing: 7px; }
.brand-secondary { margin-top: 8px; font-size: 21px; }

.content {
    position: relative;
    z-index: 10;
    display: grid;
    width: 100%;
    height: 100%;
    place-items: center;
    padding: 70px 24px 40px;
}

.hud {
    position: relative;
    isolation: isolate;
    display: flex;
    width: min(900px, 92vw);
    min-height: min(590px, 76vh);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    overflow: hidden;
    padding: clamp(44px, 7vw, 82px) clamp(25px, 7vw, 84px);
    border: 1px solid transparent;
    border-radius: 38px;
    text-align: center;
    background:
        linear-gradient(145deg, rgba(20,28,58,.55), rgba(8,8,24,.32)) padding-box,
        linear-gradient(125deg, rgba(0,245,255,.42), rgba(255,255,255,.05) 42%, rgba(255,79,216,.35)) border-box;
    box-shadow:
        -30px -20px 90px rgba(0,245,255,.06),
        35px 30px 100px rgba(255,79,216,.06),
        0 30px 100px rgba(0,0,0,.34),
        inset 0 1px 0 rgba(255,255,255,.07);
    -webkit-backdrop-filter: blur(8px) saturate(125%);
    backdrop-filter: blur(8px) saturate(125%);
}

.hud::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 10% 15%, rgba(0,245,255,.09), transparent 35%),
        radial-gradient(circle at 90% 85%, rgba(255,79,216,.08), transparent 38%),
        linear-gradient(110deg, transparent 30%, rgba(255,255,255,.035) 48%, transparent 66%);
}

.hud::after {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    border-radius: 37px;
    pointer-events: none;
    box-shadow: inset 0 0 55px rgba(0,245,255,.025);
}

.hud-scan {
    position: absolute;
    top: -40%;
    left: -45%;
    width: 25%;
    height: 180%;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.055), transparent);
    transform: rotate(14deg);
    animation: hud-scan 11s ease-in-out infinite;
}

.corner {
    position: absolute;
    width: 28px;
    height: 28px;
    opacity: .78;
    filter: drop-shadow(0 0 5px rgba(0,245,255,.45));
}

.corner-top-left { top: 13px; left: 13px; border-top: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
.corner-top-right { top: 13px; right: 13px; border-top: 2px solid var(--violet); border-right: 2px solid var(--violet); }
.corner-bottom-left { bottom: 13px; left: 13px; border-bottom: 2px solid var(--violet); border-left: 2px solid var(--violet); }
.corner-bottom-right { right: 13px; bottom: 13px; border-right: 2px solid var(--pink); border-bottom: 2px solid var(--pink); }

.micro-detail {
    position: absolute;
    top: 21px;
    color: rgba(180,237,255,.33);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 8px;
    letter-spacing: 1.8px;
}

.micro-detail-left { left: 54px; }
.micro-detail-right { right: 54px; }

.energy-field {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: -1;
    width: min(540px, 70vw);
    aspect-ratio: 1;
    pointer-events: none;
    transform: translate(-50%, -51%);
}

.energy-field span {
    position: absolute;
    inset: 19%;
    border: 1px solid rgba(74,211,255,.08);
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(83,87,255,.025), inset 0 0 30px rgba(0,245,255,.02);
    animation: energy-expand 8s ease-out infinite;
}

.energy-field span:nth-child(2) { animation-delay: -2.66s; }
.energy-field span:nth-child(3) { animation-delay: -5.33s; }

.status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: rgba(255,255,255,.75);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 4px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan), 0 0 20px rgba(0,245,255,.8);
    animation: status-pulse 1.8s ease-in-out infinite;
}

h1 {
    position: relative;
    font-size: clamp(60px, 10vw, 145px);
    font-weight: 900;
    line-height: .82;
    letter-spacing: clamp(-6px, -.35vw, -2px);
    text-transform: uppercase;
    text-shadow: 0 0 25px rgba(255,255,255,.08), 0 0 70px rgba(0,245,255,.09);
}

.title-line { display: block; }

.title-accent {
    position: relative;
    overflow: hidden;
    padding: 0 .05em .08em;
    background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink), var(--cyan));
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: title-gradient 7s linear infinite;
}

.title-accent::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    color: transparent;
    background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,.95) 49%, rgba(174,250,255,.8) 51%, transparent 62%);
    background-size: 250% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    transform: translateX(-130%);
    animation: title-sweep 10s ease-in-out infinite;
}

.subtitle {
    max-width: 610px;
    margin-top: clamp(25px, 4vw, 38px);
    color: var(--muted);
    font-size: clamp(14px, 1.5vw, 17px);
    line-height: 1.7;
    text-wrap: balance;
}

.subtitle span { display: block; margin-top: 5px; }

.signal {
    display: flex;
    width: min(330px, 67vw);
    align-items: center;
    gap: 12px;
    margin-top: clamp(27px, 4vw, 39px);
}

.signal-line {
    position: relative;
    flex: 1;
    height: 1px;
    overflow: hidden;
    background: linear-gradient(90deg, transparent, rgba(0,245,255,.45));
}

.signal-line:last-child { transform: scaleX(-1); }

.signal-line::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 35%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    animation: signal-travel 2.8s ease-in-out infinite;
}

.signal-core {
    width: 8px;
    height: 8px;
    border: 1px solid var(--cyan);
    transform: rotate(45deg);
    box-shadow: 0 0 10px var(--cyan), inset 0 0 5px var(--cyan);
    animation: signal-core 2s ease-in-out infinite;
}

.small-text {
    margin-top: 15px;
    color: rgba(255,255,255,.38);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 3px;
}

#loading {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 18px;
    background: var(--bg);
    transition: opacity .6s ease, visibility .6s ease;
}

.loading-mark {
    position: relative;
    width: 42px;
    height: 42px;
}

.loading-orbit {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(0,245,255,.16);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

.loading-core {
    position: absolute;
    inset: 16px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 15px var(--cyan);
}

.loading-text {
    color: rgba(255,255,255,.58);
    font-size: 9px;
    letter-spacing: 4px;
}

.noscript-message {
    position: fixed;
    bottom: 16px;
    left: 50%;
    z-index: 200;
    transform: translateX(-50%);
    color: #fff;
    font-size: 12px;
}

.pixi-error #pixi-container {
    background:
        radial-gradient(circle at 20% 25%, rgba(0,245,255,.11), transparent 35%),
        radial-gradient(circle at 80% 30%, rgba(255,79,216,.1), transparent 38%),
        radial-gradient(circle at 50% 90%, rgba(122,92,255,.1), transparent 42%),
        var(--bg);
}

@keyframes brand-flow { to { background-position: 300% center; } }
@keyframes title-gradient { to { background-position: 300% center; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes status-pulse { 50% { transform: scale(1.55); opacity: .72; } }
@keyframes signal-core { 50% { transform: rotate(45deg) scale(1.35); opacity: .75; } }
@keyframes signal-travel { from { transform: translateX(-150%); } to { transform: translateX(430%); } }
@keyframes hud-scan { 0%, 55% { transform: translateX(0) rotate(14deg); opacity: 0; } 66% { opacity: 1; } 90%, 100% { transform: translateX(650%) rotate(14deg); opacity: 0; } }
@keyframes energy-expand { 0% { transform: scale(.55); opacity: 0; } 25% { opacity: .75; } 100% { transform: scale(1.65); opacity: 0; } }
@keyframes title-sweep { 0%, 70% { transform: translateX(-130%); } 80%, 100% { transform: translateX(130%); } }

@media (max-width: 700px) {
    .brand { top: 23px; left: 23px; }
    .brand-primary { font-size: 10px; letter-spacing: 6px; }
    .brand-secondary { font-size: 16px; }
    .content { padding: 65px 14px 28px; }
    .hud { width: 100%; min-height: min(570px, 78vh); border-radius: 27px; }
    .hud::after { border-radius: 26px; }
    .micro-detail { display: none; }
    .corner { width: 21px; height: 21px; }
    .status { font-size: 8px; letter-spacing: 2.4px; }
    h1 { font-size: clamp(54px, 18vw, 92px); }
    .subtitle { max-width: 420px; }
}

@media (max-height: 680px) {
    .content { padding-top: 55px; }
    .hud { min-height: calc(100vh - 78px); padding-top: 35px; padding-bottom: 30px; }
    h1 { font-size: clamp(48px, 12vh, 92px); }
    .subtitle { margin-top: 18px; line-height: 1.5; }
    .signal { margin-top: 21px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}