:root {
  --bg: #0a0a0f;
  --bg-elevated: #13131a;
  --bg-card: #1a1a24;
  --fg: #f0f0f5;
  --fg-muted: #9898a8;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --accent-soft: #ff8c5c;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* Hero */
.hero {
  padding: 120px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-soft);
  letter-spacing: 0.03em;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--fg-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-preview {
  display: flex;
  justify-content: center;
}

.ping-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: left;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}

.ping-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.ping-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.ping-time {
  font-size: 0.75rem;
  color: var(--accent-soft);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ping-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.ping-body {
  color: var(--fg-muted);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.6;
}

.ping-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* How It Works */
.how-it-works {
  padding: 100px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-align: center;
  margin-bottom: 64px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}

.step {
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* Features */
.features {
  padding: 100px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(255, 107, 53, 0.2);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(255, 107, 53, 0.03) 100%);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Industries */
.industries {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.industries h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  text-align: center;
  margin-bottom: 56px;
}

.industry-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: background 0.2s;
}

.industry-item:hover {
  background: var(--bg-card);
}

.industry-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
}

.industry-example {
  color: var(--fg-muted);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.5;
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.footer-note {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: 1; }
  .ping-card { padding: 20px 24px; }
  .steps { grid-template-columns: 1fr; }
  .industry-item { padding: 20px; }
}