/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #060A0F;
  --bg-2: #0B1117;
  --bg-card: #0F1724;
  --accent: #00F0A0;
  --accent-dim: rgba(0, 240, 160, 0.12);
  --text: #E2EAF4;
  --text-muted: #6B7F96;
  --text-dim: #3D5068;
  --border: rgba(255,255,255,0.06);
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(6,10,15,0.85);
  backdrop-filter: blur(12px);
}

.nav-inner { display: flex; align-items: center; }

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 80px 80px;
  gap: 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,240,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,160,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-content { position: relative; z-index: 1; max-width: 560px; }

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Monitor visual */
.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.pilot-monitor {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 0 60px rgba(0,240,160,0.06), 0 24px 48px rgba(0,0,0,0.4);
}

.monitor-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.monitor-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}

.monitor-dot.live {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.monitor-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  flex: 1;
}

.monitor-time {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-head);
}

.monitor-metrics { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }

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

.metric-name {
  font-size: 0.72rem;
  color: var(--text-muted);
  width: 80px;
  flex-shrink: 0;
  font-family: var(--font-head);
}

.metric-bar {
  height: 4px;
  background: var(--bg-2);
  border-radius: 2px;
  flex: 1;
  position: relative;
  overflow: hidden;
}

.metric-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--w);
  background: linear-gradient(90deg, var(--accent), rgba(0,240,160,0.4));
  border-radius: 2px;
}

.metric-val {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  width: 52px;
  text-align: right;
  flex-shrink: 0;
}

.monitor-alert {
  background: rgba(0,240,160,0.07);
  border: 1px solid rgba(0,240,160,0.15);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #F59E0B;
  flex-shrink: 0;
}

.alert-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* === MANIFESTO === */
.manifesto {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 80px;
}

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

.section-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 48px;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.manifesto-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 40px 36px;
}

.manifesto-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.manifesto-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.manifesto-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === HOW === */
.how { padding: 100px 80px; }

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

.how-steps { display: flex; flex-direction: column; gap: 0; }

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-dim);
  line-height: 1;
  letter-spacing: -0.03em;
}

.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* === PROMISE === */
.promise {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 80px;
}

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

.promise-quote {
  text-align: center;
  margin-bottom: 72px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.promise-quote p {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 16px;
}

.promise-attr {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.promise-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 48px 40px;
  text-align: center;
}

.promise-stat {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  line-height: 1;
}

.promise-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 120px 80px 140px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.closing-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,240,160,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 80px;
}

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

.footer-logo {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 100px 32px 60px; }
  .hero-visual { display: none; }
  .manifesto { padding: 72px 32px; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 16px; }
  .how { padding: 72px 32px; }
  .how-step { grid-template-columns: 1fr; gap: 16px; }
  .step-num { font-size: 2rem; }
  .promise { padding: 72px 32px; }
  .promise-grid { grid-template-columns: 1fr; gap: 16px; }
  .promise-stat { font-size: 2.5rem; }
  .closing { padding: 80px 32px 100px; }
  .footer { padding: 32px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .nav { padding: 0 24px; }
}

@media (max-width: 480px) {
  .manifesto-card, .promise-item { padding: 28px 24px; }
}