:root {
  --navy: #0f172a;
  --teal: #14b8a6;
  --teal-dark: #0d9488;
  --warm-white: #fafaf9;
  --warm-gray: #f5f5f4;
  --stone-300: #d6d3d1;
  --stone-500: #78716c;
  --stone-700: #44403c;
  --stone-800: #292524;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--warm-white);
  color: var(--stone-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* HEADER */
.header {
  padding: 20px 0;
  border-bottom: 1px solid var(--stone-300);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
}
.logo span {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 13px;
  color: var(--stone-500);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* HERO */
.hero {
  padding: 80px 0 60px;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.hero-headline {
  font-size: clamp(32px, 5vw, 52px);
  color: var(--navy);
  margin-bottom: 20px;
  max-width: 600px;
}
.hero-sub {
  font-size: 18px;
  color: var(--stone-500);
  max-width: 500px;
  line-height: 1.7;
}

.stat-card {
  background: var(--navy);
  color: white;
  padding: 28px;
  border-radius: 12px;
}
.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  color: var(--teal);
  margin-bottom: 12px;
}
.stat-label {
  display: block;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
}
.stat-source {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* MONITORING FEED */
.hero-visual {
  padding-top: 40px;
}
.monitoring-feed {
  background: white;
  border: 1px solid var(--stone-300);
  border-radius: 12px;
  overflow: hidden;
}
.feed-header {
  padding: 14px 18px;
  background: var(--warm-gray);
  border-bottom: 1px solid var(--stone-300);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.feed-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--stone-700);
}
.feed-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--teal-dark);
  font-weight: 500;
}
.status-dot {
  width: 7px;
  height: 7px;
  background: var(--teal);
  border-radius: 50%;
}
.feed-items {
  padding: 0;
}
.feed-item {
  padding: 14px 18px;
  border-bottom: 1px solid var(--warm-gray);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 12px;
  font-size: 13px;
}
.feed-item:last-child { border-bottom: none; }
.feed-time {
  color: var(--stone-500);
  font-size: 12px;
}
.feed-body {
  color: var(--stone-700);
  line-height: 1.5;
}
.feed-item--alert .feed-body { color: var(--stone-800); font-weight: 500; }
.feed-item--info .feed-body { color: var(--teal-dark); }

/* PROOF */
.proof {
  padding: 32px 0;
  border-top: 1px solid var(--stone-300);
  border-bottom: 1px solid var(--stone-300);
  background: var(--warm-gray);
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.proof-label {
  font-size: 13px;
  color: var(--stone-500);
  white-space: nowrap;
}
.proof-logos {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.proof-logo {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--stone-500);
  letter-spacing: -0.01em;
}

/* FEATURES */
.features {
  padding: 80px 0;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
.features-header {
  margin-bottom: 48px;
}
.features-title {
  font-size: 36px;
  color: var(--navy);
  margin-bottom: 12px;
}
.features-sub {
  font-size: 17px;
  color: var(--stone-500);
  max-width: 480px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 28px;
  background: white;
  border: 1px solid var(--stone-300);
  border-radius: 12px;
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--warm-gray);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  margin-bottom: 16px;
}
.feature-title {
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--stone-500);
  line-height: 1.6;
}

/* HOW */
.how {
  background: var(--navy);
  padding: 80px 0;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.how-title {
  font-size: 36px;
  color: white;
  margin-bottom: 16px;
  max-width: 500px;
}
.how-text {
  font-size: 17px;
  color: rgba(255,255,255,0.6);
  max-width: 500px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.how-step {
  display: flex;
  gap: 20px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(20, 184, 166, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-content h4 {
  font-size: 16px;
  color: white;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 80px 0;
  background: var(--warm-white);
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing-statement {
  font-family: 'Syne', sans-serif;
  font-size: clamp(24px, 4vw, 40px);
  color: var(--navy);
  line-height: 1.3;
  max-width: 700px;
  font-weight: 600;
}

/* FOOTER */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--stone-300);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--navy);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--stone-500);
}
.footer-copy {
  font-size: 13px;
  color: var(--stone-500);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { padding-top: 0; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { grid-template-columns: 1fr; gap: 24px; }
  .proof-inner { flex-direction: column; align-items: start; gap: 16px; }
}

@media (max-width: 600px) {
  .hero { padding: 48px 20px 40px; }
  .features { padding: 48px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .how { padding: 48px 20px; }
  .closing { padding: 48px 20px; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
}