:root {
  --bg-primary: #0a0a0e;
  --accent: #24ffd1;
  --accent-alt: #ff2a45;
  --success: #46ff80;
  --text: #d0d0d0;
  --panel-bg: rgba(255,255,255,0.04);
  --card-bg: rgba(255,255,255,0.06);
  --mono: 'Share Tech Mono', monospace;
}

body {
  background: var(--bg-primary);
  color: var(--text);
  font-family: var(--mono);
  margin: 0;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Headings */
h1, h2, h3 {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 0;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: 0.2s color ease-in-out;
}
a:hover { color: var(--accent-alt); }

/* Header */
.hud-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 14, 0.8);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 30px;
}
.hud-status {
  font-size: 0.95em;
}
.hud-btn {
  background: var(--accent-alt);
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: bold;
  text-transform: uppercase;
  transition: 0.3s background;
}
.hud-btn:hover {
  background: var(--accent);
  color: #000;
}

/* Background noise */
.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: url('https://grainy-gradients.vercel.app/noise.png');
  opacity: 0.04;
  mix-blend-mode: overlay;
  z-index: -1;
}

/* Layout */
.container {
  display: flex;
  flex-wrap: nowrap;
  margin: 30px auto;
  width: 95%;
  max-width: 1400px;
}

.sidebar {
  width: 250px;
  margin-right: 30px;
}

.nav-block {
  background: var(--panel-bg);
  padding: 15px 18px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
}
.nav-title {
  color: var(--accent-alt);
  margin-bottom: 10px;
}
.nav-link {
  display: block;
  padding: 8px 0;
  color: var(--text);
  font-size: 0.95em;
}
.nav-link.active {
  color: var(--accent);
  font-weight: bold;
}

.status-panel {
  margin-top: 20px;
  background: var(--card-bg);
  padding: 12px;
  border-left: 3px solid var(--accent);
  border-radius: 6px;
}

/* Main panels */
.page-wrapper main {
  flex: 1;
}
.panel {
  margin-bottom: 40px;
  background: var(--panel-bg);
  padding: 25px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
}
.panel-label {
  font-size: 0.9em;
  color: var(--accent-alt);
  margin-bottom: 5px;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(circle at 50% 40%, rgba(36,255,209,0.08) 0%, rgba(10,10,14,0.9) 90%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 80px 50px;
  margin-bottom: 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(36,255,209,0.05) 10%, transparent 70%);
  animation: pulse 7s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 0 auto;
}
.hero-content h1 {
  font-size: 2.8em;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-content p {
  color: var(--text);
  font-size: 1.05em;
  opacity: 0.9;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.hero-buttons a {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 6px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-secondary {
  background: var(--accent-alt);
  color: #fff;
}
.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-primary:hover,
.btn-secondary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}
.btn-outline:hover {
  background: var(--accent);
  color: #000;
}

/* Cards Grid */
.card-grid {
  display: grid;
  gap: 22px;
}
.card-grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card-grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.guide-card {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 22px;
  transition: all 0.3s ease;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 20px rgba(36,255,209,0.2), 0 0 6px rgba(255,42,69,0.3);
}
.guide-card.primary { border-left: 3px solid var(--accent); }
.guide-card.success { border-left: 3px solid var(--success); }
.guide-card.warning { border-left: 3px solid var(--accent-alt); }
.guide-card.danger  { border-left: 3px solid #ff4444; }

.card-icon {
  font-size: 2.2em;
  margin-bottom: 12px;
  color: var(--accent);
}

/* Footer */
.site-footer.solid {
  margin-top: 60px;
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 50px 60px 25px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 40px;
  margin-bottom: 30px;
  text-align: left;
}
.footer-col h3, .footer-col h2 {
  margin-bottom: 10px;
}
.footer-col.brand h2 { color: var(--accent); }
.footer-col p {
  font-size: 0.95em;
  opacity: 0.85;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li {
  margin: 6px 0;
}
.footer-col a {
  color: var(--text);
  text-decoration: none;
  transition: 0.2s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  padding-top: 15px;
  font-size: 0.85em;
  opacity: 0.7;
}