:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e6e1;
  --fg-muted: #8a8880;
  --accent: #22d67a;
  --accent-glow: rgba(34, 214, 122, 0.15);
  --accent-dim: #1aad62;
  --red: #ff4d4d;
  --orange: #ff8c42;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.nav {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent);
}

.nav-tag {
  font-size: 12px;
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 28px;
  font-family: var(--font-display);
}

.hero-eyebrow .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
  max-width: 800px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-sub {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.6;
  margin-bottom: 48px;
}

/* STAT BAR */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  overflow: hidden;
  max-width: 680px;
}

.stat-item {
  padding: 28px 32px;
  background: var(--bg-surface);
}

.stat-item:first-child { border-radius: 12px 0 0 12px; }
.stat-item:last-child { border-radius: 0 12px 12px 0; }

.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: -1px;
}

.stat-number.green { color: var(--accent); }

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* PROBLEM SECTION */
.problem {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 48px;
  max-width: 600px;
}

.leak-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.leak-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}

.leak-card:hover {
  border-color: rgba(255, 77, 77, 0.3);
}

.leak-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.leak-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.leak-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.5;
}

.leak-cost {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
  margin-top: 12px;
}

/* SOLUTION SECTION */
.solution {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.solution h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 48px;
  max-width: 650px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}

.solution-card:hover {
  border-color: rgba(34, 214, 122, 0.3);
}

.solution-card .card-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.solution-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* VERTICALS */
.verticals {
  padding: 100px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.verticals h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.verticals .sub {
  font-size: 18px;
  color: var(--fg-muted);
  margin-bottom: 48px;
  max-width: 500px;
}

.vertical-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.vertical-tag {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  transition: all 0.2s;
}

.vertical-tag:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* CLOSING */
.closing {
  padding: 120px 0 100px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

/* FOOTER */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

.footer p {
  font-size: 13px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .stat-bar {
    grid-template-columns: 1fr;
    gap: 1px;
  }
  .stat-item { border-radius: 0 !important; }
  .stat-item:first-child { border-radius: 12px 12px 0 0 !important; }
  .stat-item:last-child { border-radius: 0 0 12px 12px !important; }

  .leak-grid {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    grid-template-columns: 1fr;
  }

  .hero { padding: 80px 0 60px; }
  .problem, .solution, .verticals { padding: 60px 0; }
  .closing { padding: 80px 0 60px; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero h1 { letter-spacing: -1px; }
}