html {
    scroll-behavior: smooth;
}

body {
    background-color: #121212; 
    color: #E0E0E0;
    font-family: 'Oswald', sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    line-height: 1.8;
}

/* NAVIGACE */
nav {
    background-color: #FF5722; 
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

nav a {
    color: #FFFFFF;
    margin: 0 25px;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

nav a:hover {
    color: #121212; 
    transform: translateY(-3px) scale(1.05); 
}

/* HLAVIČKA - OPRAVENÝ NÁZEV NA photo1.jpeg */
header {
    width: 100%;
    height: 70vh; 
    min-height: 450px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('media/photo1.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#uvod h1 {
    color: white;
    font-size: 110px;
    margin: 0 0 15px 0;
    font-weight: 700; 
    text-transform: uppercase;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
}

#uvod h2 {
    color: #FF5722;
    font-size: 38px;
    margin: 0;
    font-weight: 400; 
    text-shadow: 1px 1px 5px rgba(0,0,0,0.8);
}

section {
    width: 80%;
    max-width: 1200px;
    margin: 100px auto; 
    font-size: 22px;
}

#o-aplikaci {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    background: #1E1E1E;
    padding: 60px;
    border-radius: 30px;
    gap: 50px;
}

#o-aplikaci p { width: 60%; margin: 0; }
#o-aplikaci strong { color: #FF5722; font-size: 34px; display: block; margin-bottom: 20px; }
#o-aplikaci img { width: 35%; max-width: 300px; margin: 0; border-radius: 15px; }

#trenink {
    background: #FF5722;
    color: #FFFFFF;
    padding: 80px 60px;
    border-radius: 40px;
}

#trenink h2 { font-size: 58px; margin: 0 0 50px 0; text-transform: uppercase; }
#trenink h3 { font-size: 32px; font-weight: bold; text-align: left; margin: 40px 0 10px 0; }
#trenink p {
    font-size: 24px;
    margin: 0;
    text-align: left;
    background: rgba(0,0,0,0.2);
    padding: 15px 20px;
    border-radius: 10px;
    display: inline-block;
}

#cviky { color: #E0E0E0; padding: 80px 50px; border-radius: 30px; position: relative; }
#cviky h2 { font-size: 52px; color: #FF5722; text-transform: uppercase; margin: 0 0 60px 0; }
#cviky h3 { margin-top: 60px; font-size: 30px; font-weight: bold; }
#cviky p { font-size: 22px; margin-top: 15px; }

#ikona-sila, #ikona-kardio { display: block; width: 120px; margin: 40px auto 20px auto; }

#komunita {
    background: #1E1E1E; 
    padding: 60px 80px;
    border-radius: 40px;
    width: 70%;
    margin: 120px auto 80px auto;
    text-align: left;
}
#komunita strong { display: block; font-size: 36px; margin-bottom: 30px; color: #FF5722; }

#kontakt { margin-top: 80px; margin-bottom: 120px; }
#kontakt h2 { font-size: 48px; color: #FF5722; margin-bottom: 20px; text-transform: uppercase; }

.spodni-pruh { width: 100%; height: 100px; background: #FF5722; }