:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e59b;
  --accent-glow: rgba(0, 229, 155, 0.15);
  --accent-dim: #00b87a;
  --red: #ff4d5a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
}

* { 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;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid rgba(0, 229, 155, 0.2);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.hero-status .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 rgba(0, 229, 155, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(0, 229, 155, 0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

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

.hero .lede {
  font-size: clamp(18px, 2.5vw, 22px);
  color: var(--fg-muted);
  max-width: 560px;
  margin-top: 24px;
  position: relative;
  z-index: 1;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.problem-left h2 .red {
  color: var(--red);
}

.problem-left p {
  color: var(--fg-muted);
  margin-top: 20px;
  font-size: 17px;
}

.stat-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-card .number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.stat-card .label {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.4;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 100px 24px;
  background: var(--bg-surface);
}

.how-it-works .inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  max-width: 600px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(0, 229, 155, 0.12);
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.55;
}

/* ===== WHO IT'S FOR ===== */
.verticals {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.vertical-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s;
}

.vertical-card:hover {
  border-color: rgba(0, 229, 155, 0.3);
}

.vertical-icon {
  font-size: 32px;
  margin-bottom: 14px;
}

.vertical-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.vertical-card p {
  color: var(--fg-muted);
  font-size: 14px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 700px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.closing p {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== FOOTER ===== */
footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer p {
  color: var(--fg-muted);
  font-size: 14px;
}

footer .brand {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .verticals-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .verticals-grid {
    grid-template-columns: 1fr;
  }
  .stat-card {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}