/* 
  Industrial Skills Lab Style System
  Curated Harmony Palette - Dark theme 
*/

:root {
  --bg-color: #0b0f19;
  --panel-bg: #151c2c;
  --border-color: #232d42;
  
  --primary-color: #00d2ff;
  --primary-glow: rgba(0, 210, 255, 0.15);
  
  --text-white: #ffffff;
  --text-muted: #8fa0dd;
  --text-dim: #5c6b8f;
  
  --accent-yellow: #ffd000;
  --accent-red: #ff3b30;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 30px;
  margin-bottom: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-color);
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--primary-color);
}

h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #ffffff 0%, #a2b4e6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 30px;
}

p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 15px;
}

.card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  border-color: var(--primary-color);
}

h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-white);
  border-left: 3px solid var(--primary-color);
  padding-left: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.grid-item {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.btn {
  display: inline-block;
  background: var(--primary-color);
  color: var(--bg-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 6px;
  margin-right: 15px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-white);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section h3 {
  font-size: 16px;
  color: var(--text-white);
  margin-bottom: 8px;
  margin-top: 24px;
}

.legal-section p, .legal-section ul {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}

.legal-section ul {
  padding-left: 20px;
}

.note-box {
  background-color: rgba(255, 208, 0, 0.05);
  border-left: 4px solid var(--accent-yellow);
  padding: 16px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--text-muted);
  margin: 20px 0;
}

.danger-box {
  background-color: rgba(255, 59, 48, 0.05);
  border-left: 4px solid var(--accent-red);
  padding: 16px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--text-muted);
  margin: 20px 0;
}

footer {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  margin-top: 60px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}

footer nav {
  margin-bottom: 15px;
}

footer nav a {
  margin: 0 10px;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
  
  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  nav a {
    margin-left: 0;
    margin-right: 15px;
  }
}