/* Fonts */
:root {
  --bg: #0c0e14;
  --bg-card: #111420;
  --bg-card-hover: #161a26;
  --fg: #e8eaf0;
  --fg-muted: #8892a4;
  --accent: #b8ff47;
  --accent-dim: rgba(184, 255, 71, 0.12);
  --green: #22c55e;
  --amber: #f59e0b;
  --border: rgba(255,255,255,0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12,14,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--fg);
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 32px 80px;
  min-height: 82vh;
  display: flex;
  align-items: center;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184,255,71,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,255,71,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 40%, transparent 100%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(184,255,71,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.status-text {
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
  letter-spacing: 0.2px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--fg);
}
.accent { color: var(--accent); }
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.grid-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--fg-muted);
}
.grid-check {
  width: 22px;
  height: 22px;
  background: var(--accent-dim);
  border: 1px solid rgba(184,255,71,0.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Monitor card */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.monitor-card, .alert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}
.monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.monitor-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.monitor-badge {
  font-size: 10px;
  font-weight: 700;
  background: rgba(34,197,94,0.15);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.monitor-rows { display: flex; flex-direction: column; gap: 10px; }
.mon-row {
  display: grid;
  grid-template-columns: 10px 1fr auto auto;
  align-items: center;
  gap: 10px;
}
.mon-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.mon-dot.green { background: var(--green); }
.mon-dot.amber { background: var(--amber); }
.mon-name { font-size: 13px; color: var(--fg); font-weight: 500; }
.mon-ms { font-size: 12px; color: var(--fg-muted); font-variant-numeric: tabular-nums; }
.mon-status { font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 4px; }
.mon-status.green { background: rgba(34,197,94,0.1); color: var(--green); }
.mon-status.amber { background: rgba(245,158,11,0.1); color: var(--amber); }
.monitor-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--fg-muted);
}

/* Alert card */
.alert-card { border-color: rgba(245,158,11,0.2); }
.alert-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.alert-body {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}
.alert-meta {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
}

/* Features */
.features {
  padding: 96px 32px;
  background: var(--bg);
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 56px;
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card); }
.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* How it works */
.how-it-works {
  padding: 96px 32px;
  background: #0f1118;
}
.how-it-works .section-title { margin-bottom: 64px; }
.steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  padding: 0 24px;
}
.step-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: rgba(184,255,71,0.15);
  letter-spacing: -2px;
  margin-bottom: 16px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.step-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.step-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, rgba(184,255,71,0.3), rgba(184,255,71,0.1));
  margin-top: 24px;
  flex-shrink: 0;
}

/* Promise */
.promise {
  padding: 96px 32px;
  background: var(--bg);
}
.promise-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.promise-text {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.8px;
  color: var(--fg);
}
.promise-text em {
  font-style: normal;
  color: var(--accent);
}

/* Closing */
.closing {
  padding: 120px 32px;
  background: #0a0b0f;
  text-align: center;
}
.closing-line {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 16px;
  line-height: 1.1;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

/* Footer */
.footer {
  padding: 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-connector { display: none; }
  .nav-links { display: none; }
  .hero { padding: 64px 24px 48px; min-height: unset; }
}

@media (max-width: 480px) {
  .hero-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; }
}