:root {
  --bg-color: #0d0f12;
  --panel-bg: #14181d;
  --panel-border: #232931;
  --text-main: #e2e8f0;
  --text-muted: #707e94;
  --accent-amber: #d97706;
  --accent-green: #10b981;
  --font-mono: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  padding-bottom: 180px; /* Space for fixed bottom terminal bar */
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  border-bottom: 1px solid var(--panel-border);
  background: rgba(13, 15, 18, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.element-box {
  background: var(--accent-amber);
  color: #000;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 1.1rem;
  position: relative;
}

.atomic-num {
  font-size: 0.6rem;
  vertical-align: super;
  margin-left: 2px;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
}

/* MAIN CONTAINER */
.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

.spec-tag {
  color: var(--accent-amber);
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 800px;
}

.hero-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 700px;
  margin-bottom: 40px;
}

/* METRICS GRID */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--panel-border);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 50px;
}

.metric-card {
  background: var(--panel-bg);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
}

.metric-value {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.metric-value.highlight {
  color: var(--accent-green);
}

/* CAPABILITIES */
.capabilities-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}

.capability-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cap-num {
  font-size: 0.75rem;
  color: var(--accent-amber);
  letter-spacing: 1.5px;
}

.capability-card h3 {
  font-size: 1.2rem;
}

.capability-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  flex-grow: 1;
}

.cap-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 10px;
}

/* FOOTER INFO */
.footer-info {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--panel-border);
  padding-top: 20px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* FIXED TERMINAL BAR */
.terminal-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #090a0d;
  border-top: 1px solid var(--panel-border);
  padding: 16px 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.terminal-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 10px 16px;
  gap: 12px;
}

.terminal-prompt {
  color: var(--accent-amber);
  font-weight: 700;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  width: 100%;
}

.terminal-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.75rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip-btn:hover, .chip-btn:active {
  border-color: var(--accent-amber);
  color: var(--text-main);
  background: rgba(217, 119, 6, 0.1);
}