:root {
  --bg-color: #050505;
  --grid-color: #1a1a1a;
  --window-bg: rgba(10, 10, 10, 0.85);
  --window-border: #333;
  --window-titlebar: #111;
  --text-main: #e0e0e0;
  --text-muted: #888;
  --accent-color: #00ff00;
  --accent-dim: #004400;
  --link-color: #00ff00;
  --link-hover: #fff;
  --font-mono: 'Courier New', Courier, monospace;
  --font-sans: system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-main);
  font-family: var(--font-mono);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}


.os-desktop {
  padding: 20px;
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 1024px) {
  .os-desktop {
    grid-template-columns: 250px 1fr;
    grid-template-areas:
      "nav header"
      "nav main"
      "footer footer";
  }
  .header-window { grid-area: header; }
  .nav-window { grid-area: nav; }
  .os-grid { grid-area: main; }
  .footer-window { grid-area: footer; }
}


.os-window {
  background: var(--window-bg);
  border: 1px solid var(--window-border);
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.os-window:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 15px rgba(0, 255, 0, 0.1);
}

.window-titlebar {
  background: var(--window-titlebar);
  border-bottom: 1px solid var(--window-border);
  padding: 5px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  user-select: none;
  cursor: grab;
}

.window-titlebar:active {
  cursor: grabbing;
}

.window-title {
  font-weight: bold;
  letter-spacing: 1px;
}

.window-controls {
  display: flex;
  gap: 6px;
}

.control {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #555;
}

.control.close { background: #ff5f56; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #27c93f; }

.window-content {
  padding: 20px;
  flex-grow: 1;
  overflow-y: auto;
}

.window-handle {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 15px;
  height: 15px;
  background: linear-gradient(135deg, transparent 50%, var(--text-muted) 50%);
  opacity: 0.3;
  cursor: se-resize;
}


.os-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  grid-auto-rows: min-content;
  gap: 20px;
  align-items: start;
}


h1, h2, h3 {
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: normal;
  text-transform: uppercase;
  border-bottom: 1px dashed var(--window-border);
  padding-bottom: 5px;
}

h1 {
  font-size: 2rem;
  color: var(--accent-color);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
  border-bottom: none;
}

.subdomain {
  color: var(--text-muted);
}

p {
  margin-bottom: 15px;
}

ul {
  list-style: none;
}

li {
  margin-bottom: 10px;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

a:hover {
  color: var(--link-hover);
  text-shadow: 0 0 8px var(--accent-color);
}


li > a::before,
.link-grid > a::before,
#services-container a::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-color);
  box-shadow: 0 0 5px var(--accent-color);
  animation: flicker 3s infinite alternate;
  flex-shrink: 0;
}


.warp-trigger::before,
.crypto-details summary::before,
.footer-window a::before {
  display: none;
}

@keyframes flicker {
  0%, 100% { opacity: 1; box-shadow: 0 0 5px var(--accent-color); }
  50% { opacity: 0.8; box-shadow: 0 0 2px var(--accent-color); }
  25%, 75% { opacity: 0.4; box-shadow: none; }
  30% { opacity: 0.9; }
  80% { opacity: 0.2; }
}


.header-text p {
  margin-bottom: 5px;
  color: var(--text-muted);
}

.decorative-jargon {
  margin-top: 20px;
  display: flex;
  gap: 15px;
  font-size: 0.75rem;
  color: var(--accent-dim);
  flex-wrap: wrap;
}


.nav-window ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.nav-window a {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}


details {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--window-border);
  padding: 10px;
  margin-bottom: 15px;
}

summary {
  cursor: pointer;
  color: var(--accent-color);
  font-weight: bold;
}

summary:hover {
  text-shadow: 0 0 5px var(--accent-color);
}

.content {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--window-border);
}


.services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 15px;
}

#services-container a {
  display: flex;
  align-items: center;
  padding: 10px;
  background: rgba(0, 255, 0, 0.05);
  border: 1px solid var(--window-border);
  border-radius: 4px;
  transition: all 0.2s;
}

#services-container a:hover {
  background: rgba(0, 255, 0, 0.1);
  border-color: var(--accent-color);
  transform: translateY(-2px);
}


.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-label {
  color: var(--text-muted);
  min-width: 60px;
}


.crypto-item {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--window-border);
  padding: 10px;
  margin-bottom: 10px;
}

.crypto-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}

.crypto-name {
  color: var(--accent-color);
  font-weight: bold;
}

.crypto-address {
  display: block;
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--text-muted);
  background: #000;
  padding: 5px;
  border: 1px solid #222;
}

.qr-container img {
  max-width: 100px;
  margin-top: 10px;
  border: 1px solid var(--window-border);
}


.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}


.guest-credentials {
  background: #000;
  padding: 10px;
  border: 1px solid var(--window-border);
  margin: 10px 0;
  font-family: var(--font-mono);
}

.guest-credentials .label {
  color: var(--accent-color);
}

.guest-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}


::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
  border-left: 1px solid var(--window-border);
}

::-webkit-scrollbar-thumb {
  background: var(--window-border);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dim);
}