:root {
  --primary: #1e40af;
  --primary-dark: #1d3675;
  --light: #f8fafc;
  --gray: #64748b;
  --dark: #0f172a;
  --success: #16a34a;
  --warning: #f59e0b;
  --border: #e2e8f0;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: #fff;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 0;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  padding: 3rem 1rem;
  border-radius: 0 0 12px 12px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

/* Sections */
section {
  padding: 2rem 0;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--primary-dark);
}

/* Steps */
.steps {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
}

.step {
  background: #dbeafe;
  padding: 0.8rem;
  border-radius: 8px;
  flex: 1;
  min-width: 120px;
  text-align: center;
}

/* Script Cards */
.script-card {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.script-card h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.9rem;
  margin: 0.75rem 0;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.5rem 1.2rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  margin: 0.5rem 0;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--primary-dark);
}

.risk.low { color: var(--success); }
.risk.medium { color: var(--warning); }

.hash {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 0.5rem;
}

/* Contact Form */
.contact input,
.contact textarea {
  width: 100%;
  padding: 0.6rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 2rem;
  border-radius: 12px 12px 0 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .steps { flex-direction: column; }
}