/* ============================================
   VEILT — ML Model Monitoring Landing Page
   Dark terminal aesthetic, electric accent
   ============================================ */

:root {
  --bg: #0a0f1a;
  --bg-secondary: #0e1629;
  --bg-card: #111c30;
  --fg: #e8edf5;
  --fg-muted: #8a9ab5;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --warning: #f59e0b;
  --critical: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.wordmark-icon { display: flex; align-items: center; }

.header-tag {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.05);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

/* ── MONITORING OVERVIEW / HERO ── */
.monitoring-overview {
  padding: 5rem 2rem 4rem;
  border-bottom: 1px solid var(--border);
}

.overview-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.pill-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.overview-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.25rem;
}

.overview-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 42ch;
}

/* ── MONITOR FEED ── */
.monitor-feed {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 0.8rem;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.feed-title {
  font-weight: 500;
  color: var(--fg-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.feed-badge {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.feed-rows { padding: 0.5rem 0; }

.feed-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.15s;
}

.feed-row:last-child { border-bottom: none; }
.feed-row:hover { background: rgba(255,255,255,0.03); }

.row-model {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--fg);
}

.row-status {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.row-status.healthy { color: var(--accent); background: var(--accent-dim); }
.row-status.warning { color: var(--warning); background: rgba(245, 158, 11, 0.1); }
.row-status.critical { color: var(--critical); background: rgba(239, 68, 68, 0.1); }

.row-score {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-align: right;
}

.feed-footer {
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  font-size: 0.72rem;
  color: var(--fg-muted);
}

/* ── METHODOLOGY ── */
.methodology {
  padding: 4rem 2rem;
  border-bottom: 1px solid var(--border);
}

.methodology-inner { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.method-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
}

.method-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.75rem;
  letter-spacing: -0.04em;
}

.method-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.method-desc {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.method-arrow {
  display: flex;
  align-items: center;
  padding: 0 1rem;
  color: var(--fg-muted);
  padding-top: 1.5rem;
}

/* ── CAPABILITIES ── */
.capabilities {
  padding: 4rem 2rem;
  border-bottom: 1px solid var(--border);
}

.cap-inner { max-width: 1100px; margin: 0 auto; }

.cap-headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 3rem;
  max-width: 28ch;
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.cap-item {
  background: var(--bg-card);
  padding: 2rem;
}

.cap-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.cap-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.cap-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── PHILOSOPHY ── */
.philosophy {
  padding: 5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.philosophy-inner { max-width: 750px; margin: 0 auto; text-align: center; }

.philosophy-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  font-style: italic;
}

.philosophy-text + .philosophy-text { margin-top: 1rem; }

/* ── FOOTER ── */
.site-footer {
  padding: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-wordmark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .overview-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .method-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .method-arrow { display: none; }
  .cap-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .monitoring-overview { padding: 3rem 1.25rem 3rem; }
  .methodology { padding: 3rem 1.25rem; }
  .capabilities { padding: 3rem 1.25rem; }
  .philosophy { padding: 3rem 1.25rem; }
  .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
  .header-inner { padding: 0.875rem 1.25rem; }
}