/* === GLOBAL TOKENS === */
:root {
  --bg: #0D1117;
  --bg-elevated: #161B22;
  --bg-overlay: #1C2128;
  --border: #21262D;
  --border-muted: #30363D;
  --accent: #00D4A1;
  --accent-dim: #00D4A120;
  --text: #E6EDF3;
  --text-muted: #8B949E;
  --text-dim: #484F58;
  --warn: #F0883E;
  --info: #58A6FF;
  --radius: 8px;
  --radius-lg: 12px;
}

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-name {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.nav-tagline {
  display: flex;
  align-items: center;
}
.nav-status {
  font-size: 11px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  padding: 80px 32px 100px;
  background: var(--bg);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  margin-bottom: 24px;
}
.eyebrow-tag {
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.hero-headline {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: var(--text);
}
.hero-slash {
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #0D1117;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius);
  transition: opacity 0.2s;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.85; }
.hero-note {
  font-size: 13px;
  color: var(--text-dim);
}

/* === DASHBOARD CARD === */
.dashboard-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,212,161,0.08);
}
.dash-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dash-title {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.dash-badge {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.dash-sparkline {
  padding: 20px 20px 12px;
}
.sparkline-svg {
  width: 100%;
  height: 60px;
}
.dash-alerts {
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12px;
  border: 1px solid transparent;
}
.alert-warn {
  background: rgba(240,136,62,0.08);
  border-color: rgba(240,136,62,0.2);
  color: #F0883E;
}
.alert-fix {
  background: rgba(0,212,161,0.06);
  border-color: rgba(0,212,161,0.15);
  color: var(--accent);
}
.alert-info {
  background: rgba(88,166,255,0.06);
  border-color: rgba(88,166,255,0.15);
  color: var(--info);
}
.alert-icon { flex-shrink: 0; }
.dash-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.dash-stat { display: flex; flex-direction: column; gap: 2px; }
.dash-stat-val {
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.dash-stat-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === WASTE BAR === */
.waste-bar {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}
.waste-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.waste-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.waste-stat {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--border);
}
.waste-stat:last-child { border-right: none; }
.waste-number {
  font-family: 'Sora', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -2px;
  line-height: 1;
}
.waste-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}
.waste-divider { display: none; }

/* === HOW === */
.how {
  padding: 100px 32px;
  background: var(--bg);
}
.how-inner {
  max-width: 900px;
  margin: 0 auto;
}
.how-header {
  text-align: center;
  margin-bottom: 64px;
}
.how-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
  color: var(--text);
}
.how-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
}
.how-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 24px;
}
.flow-step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.flow-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.flow-step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.flow-step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.flow-arrow {
  display: flex;
  align-items: center;
  padding-top: 60px;
}

/* === FEATURES === */
.features {
  padding: 100px 32px;
  background: var(--bg-elevated);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.features-label {
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature-card {
  background: var(--bg-elevated);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-overlay); }
.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}
.feature-detail {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
}

/* === MISSION === */
.mission {
  padding: 100px 32px;
  background: var(--bg);
}
.mission-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.mission-quote {
  position: relative;
  margin-bottom: 40px;
}
.mission-mark {
  font-family: 'Sora', sans-serif;
  font-size: 80px;
  color: var(--accent);
  line-height: 0.6;
  display: block;
  margin-bottom: 16px;
  opacity: 0.4;
}
.mission-text {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--text-muted);
  line-height: 1.7;
  font-style: italic;
}
.mission-line {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 16px;
}
.mission-name {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* === CLOSING === */
.closing {
  padding: 100px 32px 120px;
  background: var(--bg);
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.closing-visual {
  margin-bottom: 48px;
}
.closing-ring {
  width: 180px;
  height: 180px;
}
.ring-svg { width: 100%; height: 100%; }
.closing-headline {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-name {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 14px;
}
.footer-copy {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-tech {
  font-size: 12px;
  color: var(--text-dim);
}
.footer-sep { color: var(--border); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { order: -1; }
  .waste-stats { grid-template-columns: 1fr; }
  .waste-stat { border-right: none; border-bottom: 1px solid var(--border); }
  .waste-stat:last-child { border-bottom: none; }
  .how-flow { grid-template-columns: 1fr; gap: 16px; }
  .flow-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-copy { display: none; }
}

@media (max-width: 600px) {
  .hero { padding: 60px 20px 80px; }
  .waste-bar { padding: 0 20px; }
  .how { padding: 80px 20px; }
  .features { padding: 80px 20px; }
  .mission { padding: 80px 20px; }
  .closing { padding: 80px 20px 100px; }
  .dash-footer { grid-template-columns: 1fr; gap: 12px; }
}