/* Reset a základ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    scroll-behavior: smooth;
    background: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

/* Tlačítka */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background: #264653;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
}
.btn:hover {
    background: #1b3a46;
}

/* Header / Hero */
header {
    background: #e76f51;
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}
header h1 {
    font-size: 48px;
    margin-bottom: 10px;
}
header p {
    font-size: 20px;
    margin-bottom: 20px;
}

/* Sekce */
section {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}
section h2 {
    text-align: center;
    color: #264653;
    margin-bottom: 40px;
    font-size: 32px;
}

/* O nás */
#onas p {
    font-size: 18px;
    text-align: center;
}

/* Služby */
.services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
.service-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 30px;
    flex: 1 1 250px;
    max-width: 300px;
    text-align: center;
}
.service-card h3 {
    color: #f4a261;
    margin-bottom: 10px;
}
.service-card p {
    font-size: 16px;
}

/* Reference / Projekty */
.projects {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
.project {
    flex: 1 1 250px;
    max-width: 300px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}
.project img {
    width: 100%;
    display: block;
}
.project h4 {
    margin: 15px;
    color: #264653;
}
.project p {
    margin: 0 15px 15px;
    font-size: 14px;
}

/* Kontakt */
#kontakt {
    background: #f9f9f9;
    text-align: center;
}
#kontakt p {
    font-size: 16px;
    margin-bottom: 10px;
}

/* Footer */
footer {
    background: #264653;
    color: #fff;
    text-align: center;
    padding: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .services, .projects {
        flex-direction: column;
        align-items: center;
    }

    header h1 {
        font-size: 36px;
    }

    header p {
        font-size: 18px;
    }
}
.btn-back {
  display: inline-flex;          
  align-items: center;
  gap: 6px;                      
  padding: 8px 16px;             
  background-color: #007BFF;     
  color: white;                  
  text-decoration: none;         
  font-weight: 500;
  border-radius: 6px;            
  transition: background-color 0.3s, transform 0.2s;
}

.btn-back:hover {
  background-color: #0056b3;     
  transform: translateX(-2px);   
}

.btn-back:active {
  transform: translateX(-1px);
}