/* Reset i podstawy */
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  color: #1f2937;
  background: #f9fafb;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  z-index: 50;
  padding: 15px 0;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo img {
  height: 50px;
  vertical-align: middle;
}
.logo span {
  font-weight: 700;
  font-size: 1.2rem;
  margin-left: 10px;
  color: #1e40af;
}
.menu a {
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
  color: #374151;
  transition: color 0.2s;
}
.menu a:hover {
  color: #3b82f6;
}

/* Hero */
.hero {
  padding: 120px 20px 80px;
  text-align: center;
  background: #e0f2fe;
}
.hero h1 {
  font-size: 3rem;
  color: #1e40af;
  margin-bottom: 20px;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* CTA */
.btn {
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  display: inline-block;
}
.btn-primary {
  background: #3b82f6;
  color: #fff;
}
.btn-primary:hover {
  background: #2563eb;
}
.btn-secondary {
  background: #e5e7eb;
  color: #1f2937;
  border: 1px solid #d1d5db;
}
.btn-secondary:hover {
  background: #d1d5db;
}

/* Sekcje */
.section {
  padding: 80px 20px;
}
.bg-light {
  background: #f0f9ff;
}
.section-title {
  font-size: 2rem;
  margin-bottom: 40px;
  color: #1e40af;
  text-align: center;
}

/* Two columns */
.two-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 40px;
}
.column {
  flex: 1 1 300px;
}
.column ul {
  padding-left: 20px;
}

/* Karty */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}
.card {
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.card .icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}
.card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #1e40af;
}
.card p {
  font-size: 1rem;
  color: #374151;
  line-height: 1.6;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-top: 40px;
}
.timeline-item {
  padding: 20px;
  border-left: 4px solid #3b82f6;
  background: #fff;
  border-radius: 6px;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}
.timeline-item:hover {
  transform: translateX(5px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: #3b82f6;
  border-radius: 50%;
}

/* FAQ */
details {
  background: #fff;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}
details:hover {
  transform: translateY(-2px);
}
details[open] {
  background: #e0f2fe;
}
details summary {
  font-weight: 600;
  cursor: pointer;
}

/* Footer */
.footer {
  text-align: center;
  padding: 40px 20px;
  background: #f3f4f6;
  font-size: 0.9rem;
  color: #6b7280;
}

/* Responsywność */
@media(max-width:768px){
  .two-columns { flex-direction: column; }
  .menu a { margin-left: 10px; }
  .cards-grid { grid-template-columns: 1fr; }
}