* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: #090d10; color: #d8dde0; font-family: Georgia, 'Times New Roman', serif; }
button, body { -webkit-font-smoothing: antialiased; }
#world { display: block; width: 100vw; height: 100vh; outline: none; }
.start-screen { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; background: radial-gradient(circle at 50% 40%, rgba(41,50,57,.38), rgba(7,10,12,.84) 58%, #07090b 100%); transition: opacity .8s ease, visibility .8s; }
.start-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.title-block { width: min(640px, calc(100vw - 40px)); padding: 52px 38px 42px; text-align: center; border-top: 1px solid rgba(215,225,230,.38); border-bottom: 1px solid rgba(215,225,230,.18); background: linear-gradient(90deg, transparent, rgba(8,12,15,.68) 18%, rgba(8,12,15,.68) 82%, transparent); text-shadow: 0 2px 16px #000; }
.eyebrow { margin: 0 0 18px; color: #aebac1; font: 600 11px/1.2 Arial, sans-serif; letter-spacing: .32em; }
h1 { margin: 0; color: #eef0ed; font-size: clamp(54px, 9vw, 96px); font-weight: 400; line-height: .92; letter-spacing: -.045em; }
.subtitle { margin: 20px auto 28px; max-width: 430px; color: #b8c0c4; font-size: 18px; font-style: italic; line-height: 1.5; }
#enter-button { appearance: none; padding: 14px 25px; border: 1px solid rgba(215,224,226,.48); border-radius: 0; background: rgba(27,34,38,.88); color: #eef1ef; font: 700 11px/1 Arial, sans-serif; letter-spacing: .2em; text-transform: uppercase; cursor: pointer; transition: background .2s, border-color .2s, transform .2s; }
#enter-button:hover { background: #39444a; border-color: #eef2f2; }
#enter-button:active { transform: translateY(1px); }
.controls-copy { margin: 20px 0 0; color: #78858c; font: 10px/1.5 Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.hud { position: fixed; inset: 0; z-index: 10; pointer-events: none; opacity: 0; transition: opacity .4s; font-family: Arial, sans-serif; }
.hud.active { opacity: 1; }
.location-card { position: absolute; top: 25px; left: 28px; padding-left: 13px; border-left: 2px solid rgba(209,134,60,.78); text-shadow: 0 2px 5px #000; }
.location-kicker, .status-row span { display: block; margin-bottom: 4px; color: #9aa6ac; font-size: 9px; font-weight: 700; letter-spacing: .2em; }
#location { color: #e4e7e5; font-family: Georgia, serif; font-size: 18px; font-weight: 400; }
.crosshair { position: absolute; top: 50%; left: 50%; width: 17px; height: 17px; transform: translate(-50%, -50%); opacity: .65; }
.crosshair span { position: absolute; background: rgba(223,231,233,.85); box-shadow: 0 0 3px #000; }
.crosshair span:first-child { top: 8px; left: 2px; width: 13px; height: 1px; }
.crosshair span:last-child { top: 2px; left: 8px; width: 1px; height: 13px; }
.status-row { position: absolute; right: 28px; bottom: 24px; display: flex; gap: 28px; text-align: right; text-shadow: 0 2px 5px #000; }
.status-row strong { color: #dce2e3; font-size: 13px; letter-spacing: .08em; }
.vignette, .rain-glass { position: fixed; inset: 0; z-index: 5; pointer-events: none; }
.vignette { background: radial-gradient(ellipse at center, transparent 48%, rgba(0,0,0,.22) 76%, rgba(0,0,0,.62) 110%); }
.rain-glass { opacity: .24; background: repeating-linear-gradient(104deg, transparent 0, transparent 17px, rgba(131,167,189,.07) 18px, transparent 20px); animation: rainGlass .65s linear infinite; }
@keyframes rainGlass { from { transform: translate3d(-8px,-20px,0); } to { transform: translate3d(8px,20px,0); } }
@media (max-width: 620px) { .title-block { padding-inline: 20px; } .status-row { right: 16px; bottom: 16px; } .location-card { left: 16px; top: 16px; } .controls-copy { line-height: 1.8; } }
@media (prefers-reduced-motion: reduce) { .rain-glass { animation: none; } .start-screen, .hud { transition: none; } }