/* ── Variables ── */
:root {
  --bg: #06060A;
  --surface: #0D0D14;
  --surface-2: #111120;
  --accent: #00E5A0;
  --accent-dim: #00B37A;
  --accent-glow: rgba(0, 229, 160, 0.12);
  --text: #E8E4DC;
  --text-2: #7A7A8C;
  --text-3: #4A4A5C;
  --border: #1A1A2E;
  --font-head: '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(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.1; }

/* ── Nav ── */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  color: var(--text);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-2);
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Hero ── */
.hero { padding: 80px 40px 100px; }
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  line-height: 1.05;
}
.hero-headline .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.7;
}

/* ── Orbit Diagram ── */
.hero-visual { display: flex; justify-content: center; }
.orbit-diagram {
  position: relative;
  width: 340px;
  height: 340px;
  flex-shrink: 0;
}
.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
}
.orbit-core-inner {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, var(--accent-dim) 100%);
  box-shadow: 0 0 40px rgba(0,229,160,0.4), 0 0 80px rgba(0,229,160,0.15);
}
.orbit-core-ring {
  position: absolute;
  top: -8px; left: -8px;
  width: 76px; height: 76px;
  border-radius: 50%;
  border: 1px solid rgba(0,229,160,0.3);
}
.orbit-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.orbit-node {
  position: absolute;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.node-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-2);
  font-family: var(--font-head);
}
.node-pulse {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}
/* Positions */
.node-1 { top: 18px; left: 50%; transform: translateX(-50%); animation: float 4s ease-in-out infinite; }
.node-2 { top: 80px; right: 18px; animation: float 4s ease-in-out infinite 0.5s; }
.node-3 { bottom: 80px; right: 18px; animation: float 4s ease-in-out infinite 1s; }
.node-4 { bottom: 18px; left: 50%; transform: translateX(-50%); animation: float 4s ease-in-out infinite 1.5s; }
.node-5 { bottom: 80px; left: 18px; animation: float 4s ease-in-out infinite 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Spend badges */
.spend-badge {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-head);
  background: var(--accent-glow);
  border: 1px solid rgba(0,229,160,0.25);
  padding: 3px 8px;
  border-radius: 20px;
}
.badge-1 { top: 5px; right: 8px; }
.badge-2 { bottom: 75px; right: 0; }
.badge-3 { bottom: 5px; left: 8px; }

/* ── Section Label ── */
.section-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-head);
}

/* ── Problem ── */
.problem { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 100px 40px; }
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-header { margin-bottom: 64px; }
.problem-header h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.03em;
  font-weight: 700;
}
.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 48px;
}
.stat {
  background: var(--surface-2);
  padding: 32px 28px;
}
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-2);
  line-height: 1.5;
}
.problem-copy {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 640px;
  line-height: 1.75;
}

/* ── Fleet ── */
.fleet { padding: 100px 40px; }
.fleet-inner { max-width: 1200px; margin: 0 auto; }
.fleet-inner h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: 56px;
}
.fleet-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.fleet-card {
  background: var(--surface);
  padding: 36px 32px;
  transition: background 0.2s;
}
.fleet-card:hover { background: var(--surface-2); }
.fleet-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--accent-glow);
  border: 1px solid rgba(0,229,160,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
}
.fleet-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.fleet-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 28px;
}
.fleet-card-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.metric-value {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}
.metric-period { font-size: 0.75rem; color: var(--text-3); }

/* ── Enforcement ── */
.enforcement { padding: 100px 40px; background: var(--surface); border-top: 1px solid var(--border); }
.enforcement-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.enforcement-left h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.enforcement-copy {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 48px;
}
.enforcement-steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  width: 28px;
  padding-top: 2px;
  flex-shrink: 0;
}
.step-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.step-body p { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }

/* ── Policy Code Block ── */
.policy-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  font-family: 'DM Mono', 'Courier New', monospace;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.red { background: #FF5F57; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green { background: #28C840; }
.code-title { font-size: 0.75rem; color: var(--text-2); margin-left: 8px; }
.policy-code pre {
  padding: 24px;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-2);
  overflow-x: auto;
}
.c-key { color: #7EC8E3; }
.c-str { color: #A8E6CF; }
.c-num { color: #FFB86C; }
.code-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.policy-active {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--accent);
}
.pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}

/* ── Closing ── */
.closing {
  padding: 120px 40px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 800px; margin: 0 auto; }
.closing h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  font-weight: 700;
}
.closing-sub { font-size: 1.05rem; color: var(--text-2); line-height: 1.75; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline { font-size: 0.78rem; color: var(--text-3); }
.footer-meta { font-size: 0.75rem; color: var(--text-3); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner,
  .enforcement-inner { grid-template-columns: 1fr; gap: 60px; }
  .problem-stats { grid-template-columns: 1fr; }
  .fleet-cards { grid-template-columns: 1fr; }
  .hero { padding: 60px 24px 80px; }
  .problem, .fleet, .enforcement { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
  .orbit-diagram { width: 280px; height: 280px; }
  .hero-visual { display: none; }
  .hero-headline { font-size: 2.2rem; }
}
@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}