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

:root {
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-light: #dcfce7;
  --dark: #0f172a;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-dark);
  text-decoration: none;
}
nav a {
  color: var(--gray);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover { color: var(--green-dark); }

/* Hero */
.hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid #bbf7d0;
  border-radius: 100px;
  padding: 0.3rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.lead {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 2rem;
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary {
  background: transparent;
  border-color: var(--green);
  color: var(--green-dark);
}
.btn-secondary:hover { background: var(--green-light); }
.btn-large { padding: 1rem 2.5rem; font-size: 1.1rem; }
.btn-full { width: 100%; text-align: center; }

/* Features */
.features {
  padding: 5rem 0;
  background: var(--white);
}
.features h2, .connectors h2, .cta-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 3rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.step {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  background: var(--gray-light);
}
.step-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step p { color: var(--gray); font-size: 0.95rem; }

/* Connectors */
.connectors {
  padding: 5rem 0;
  background: var(--gray-light);
}
.connector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.connector-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.connector-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.connector-card h3 { font-weight: 700; margin-bottom: 0.5rem; }
.connector-card p { color: var(--gray); font-size: 0.9rem; }

/* CTA section */
.cta-section {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}
.cta-section p { color: var(--gray); margin-bottom: 2rem; }

/* Footer */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}
.site-footer a { color: #94a3b8; text-decoration: none; }
.site-footer a:hover { color: var(--white); }

/* Form page */
.form-page { padding: 4rem 0; min-height: 80vh; }
.form-container { max-width: 520px; }
.form-container h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
.form-subtitle { color: var(--gray); margin-bottom: 2rem; }
.register-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-weight: 600; font-size: 0.9rem; }
.form-group small { color: var(--gray); font-size: 0.8rem; }
.form-group input,
.form-group select {
  padding: 0.7rem 1rem;
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
}
.form-checkboxes { gap: 0.75rem; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  cursor: pointer;
}
.checkbox-label input { margin-top: 3px; flex-shrink: 0; }
.checkbox-label a { color: var(--green-dark); }
.form-message {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}
.form-message.success { background: var(--green-light); color: var(--green-dark); display: block; }
.form-message.error { background: #fef2f2; color: #dc2626; display: block; }

/* Static pages */
.static-page { padding: 4rem 0; max-width: 800px; margin: 0 auto; }
.static-page h1 { font-size: 2rem; font-weight: 800; margin-bottom: 2rem; }
.static-page h2 { font-size: 1.3rem; font-weight: 700; margin: 2rem 0 0.75rem; }
.static-page p { color: var(--gray); margin-bottom: 1rem; }
.static-page ul { color: var(--gray); padding-left: 1.5rem; margin-bottom: 1rem; }