@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&display=swap');
html{
    scroll-behavior:smooth;
}
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Rajdhani',sans-serif;
}

body{
    background:#f5f7fa;
    color:#1a1a1a;
}



.top-bar{
    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:20px 60px;

    background:#ffffff;

    border-bottom:1px solid #d8dde5;
}

.logo img{
    height:100px;
}



.social-icons{
    display:flex;
    align-items:center;
    gap:25px;
}

.social-icons a{
    width:55px;
    height:55px;

    display:flex;
    justify-content:center;
    align-items:center;

    background:#ffffff;

    text-decoration:none;

    transition:.3s ease;
}

.social-icons a:hover{
    transform:translateY(-1px);

    box-shadow:
        0 0 5px rgba(0,102,255,.15),
        0 0 5px rgba(0,102,255,.08);
}

.social-icons img{
    width:38px;
    height:38px;
    object-fit:contain;
}




.main-nav{
    background:linear-gradient(
        to bottom,
        #ffffff,
        #f7f9fc
    );

    padding:25px 0;

    border-bottom:3px solid #0066ff;
}

.main-nav ul{
    display:flex;
    justify-content:center;
    align-items:center;

    gap:80px;

    list-style:none;
}

.main-nav li{
    min-width:240px;
}

.main-nav a{
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;

    height:170px;

    background:#ffffff;

    border:1px solid #cfd8e3;

    text-decoration:none;

    color:#1c2430;

    font-size:22px;
    font-weight:700;

    letter-spacing:1px;

    transition:.3s ease;
}

.main-nav a img{
    width:70px;
    height:70px;

    object-fit:contain;

    margin-bottom:18px;
}

.main-nav a:hover{
    transform:translateY(-1px);

    border-color:#0066ff;

    color:#0066ff;

    box-shadow:
        0 0 5px rgba(0,102,255,.15),
        0 0 5px rgba(0,102,255,.08);
}


.main-nav a.active{
    
    border: solid 3px #0066ff;
}





.hero{
    position:relative;
    height:700px;
    overflow:hidden;
}

.slide{
    position:absolute;
    top:0;
    left:0;

    width:100%;
    height:100%;

    background-size:cover;
    background-position:center center;
    background-repeat:no-repeat;

    opacity:0;

    transition:opacity 1.5s ease-in-out;

    z-index:1;
}

.slide.active{
    opacity:1;
}

.slide:nth-child(1){
    background-image:
    linear-gradient(
        rgba(0,0,0,.60),
        rgba(0,0,0,.60)
    ),
    url('./img/pozadi3.jpg');
}

.slide:nth-child(2){
    background-image:
    linear-gradient(
        rgba(0,0,0,.60),
        rgba(0,0,0,.60)
    ),
    url('./img/pozadi2.jpg');
}

.slide:nth-child(3){
    background-image:
    linear-gradient(
        rgba(0,0,0,.60),
        rgba(0,0,0,.60)
    ),
    url('./img/pozadi_qsystem.png');
}



.hero-overlay{
    position:relative;
    z-index:2;

    width:100%;
    height:100%;

    display:flex;
    align-items:center;
}

.hero-content{
    max-width:1400px;

    width:100%;

    margin:0 auto;

    padding-left:120px;
    padding-right:120px;

    color:white;
}

.hero h1{
    font-size:78px;
    font-weight:700;

    line-height:1.05;

    text-transform:uppercase;

    letter-spacing:2px;

    margin-bottom:25px;

    color:white;

    text-shadow:0 3px 10px rgba(0,0,0,.4);
}

.hero p{
    max-width:750px;

    font-size:28px;

    line-height:1.5;

    color:#e2e8f0;
}


/* ŠIPKY */

.slider-btn{
    position:absolute;
    top:50%;

    transform:translateY(-50%);

    width:60px;
    height:60px;

    border:1px solid rgba(255,255,255,.4);

    background:rgba(0,0,0,.25);

    color:white;

    font-size:40px;

    cursor:pointer;

    z-index:3;

    transition:.3s;
}

.slider-btn:hover{
    background:#0066ff;
    border-color:#0066ff;
}

.prev{
    left:30px;
}

.next{
    right:30px;
}




.hero-seo{
    max-width:800px;
    margin:20px auto;
    line-height:1.8;
}

.hero-buttons{
    margin-top:30px;
    display:flex;
    justify-content:center;
    gap:20px;
}

.btn-primary,
.btn-secondary{
    padding:15px 35px;
    text-decoration:none;
    font-size:18px;
    font-weight:600;
    transition:.3s;
}

.btn-primary{
    background:#0066ff;
    color:white;
}

.btn-primary:hover{
    background:#0052cc;
}

.btn-secondary{
    border:2px solid white;
    color:white;
}

.btn-secondary:hover{
    background:white;
    color:#1c2430;
}

.hero-location{
    font-size:24px;
    font-weight:600;
    margin-top:10px;
    margin-bottom:20px;
    color:white;
}










/* =========================
   SPOLEČNÉ SEKCE
========================= */

section{
    padding:80px 60px;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:48px;
    font-weight:700;
    color:#1c2430;
    margin-bottom:15px;
    letter-spacing:2px;
}

.section-title p{
    font-size:22px;
    color:#5c6675;
}

/* =========================
   SLUŽBY
========================= */

.services{
    background:#ffffff;
}

.services-grid{
    max-width:1400px;
    margin:auto;

    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:40px;
}

.service-card{
    background:#ffffff;

    border:1px solid #cfd8e3;

    padding:40px;

    text-align:center;

    transition:.3s;
}

.service-card:hover{
    border-color:#0066ff;

    transform:translateY(-5px);

    box-shadow:
        0 0 15px rgba(0,102,255,.15);
}

.service-card img{
    width:110px;
    height:110px;

    margin-bottom:25px;
        object-fit:contain;
    image-rendering:auto;

}


.service-card h3{
    font-size:30px;
    color:#1c2430;

    margin-bottom:15px;
}

.service-card p{
    font-size:20px;
    color:#5c6675;
    line-height:1.6;
}

/* =========================
   STATISTIKY
========================= */

.why-us{
    background:#f7f9fc;
}

.stats{
    max-width:1400px;

    margin:auto;

    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:30px;
}

.stat{
    background:#ffffff;

    border:1px solid #cfd8e3;

    text-align:center;

    padding:40px 20px;

    transition:.3s;
}



.stat h3{
    font-size:60px;
    color:#0066ff;

    margin-bottom:10px;
}

.stat p{
    font-size:22px;
    color:#1c2430;
}

/* =========================
   VÝROBCI
========================= */

.brands{
    background:#ffffff;
}

.brands h2{
    text-align:center;

    font-size:48px;

    margin-bottom:60px;

    color:#1c2430;
}

.brand-grid{
    max-width:1400px;

    margin:auto;

    display:grid;
    grid-template-columns:repeat(4,1fr);

    gap:30px;
}

.brand-grid img{
    width:100%;
    max-width:180px;

    margin:auto;

    filter:grayscale(100%);

    transition:.3s;
}

.brand-grid img:hover{
    filter:none;

    transform:scale(1.05);
}

/* =========================
   O NÁS
========================= */

.about{
    background:#f7f9fc;
}

.about-text{
    max-width:1000px;

    margin:auto;

    text-align:center;
}

.about-text h2{
    font-size:48px;

    margin-bottom:30px;

    color:#1c2430;
}

.about-text p{
    font-size:24px;

    line-height:1.8;

    color:#5c6675;

    margin-bottom:20px;
}

/* =========================
   KONTAKT
========================= */

.contact-preview{
    background:#ffffff;
}

.contact-preview h2{
    text-align:center;

    font-size:48px;

    margin-bottom:60px;

    color:#1c2430;
}

.contact-grid{
    max-width:1400px;
    margin:auto;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:30px;
}



.contact-grid h3{
    font-size:28px;

    margin-bottom:15px;

    color:#0066ff;
}

.contact-grid p{
    font-size:20px;

    color:#1c2430;
}


.contact-card{
    background:#ffffff;

    border:1px solid #cfd8e3;

    text-align:center;

    padding:40px 20px;

    transition:.3s;
}

.contact-card:hover{
    transform:translateY(-5px);

    border-color:#0066ff;

    box-shadow:
        0 0 15px rgba(0,102,255,.15);
}

.contact-card img{
    width:70px;
    height:70px;

    object-fit:contain;

    margin-bottom:20px;
}

.contact-card h3{
    font-size:28px;

    color:#0066ff;

    margin-bottom:10px;
}

.contact-card p{
    font-size:20px;

    color:#1c2430;
}

/* =========================
   FOOTER
========================= */
.footer{
    background:#f7f9fc;

    border-top:3px solid #0066ff;

    margin-top:80px;
}

.footer-container{
    max-width:1400px;

    margin:auto;

    padding:70px 60px;

    display:grid;
    grid-template-columns:2fr 1fr 1fr;

    gap:80px;
}

.footer-column h3{
    font-size:32px;

    color:#1c2430;

    margin-bottom:30px;
}

.footer-column p{
    font-size:20px;

    color:#5c6675;

    line-height:1.8;
}

.footer-column ul{
    list-style:none;
}

.footer-column li{
    margin-bottom:18px;

    font-size:20px;
}

.footer-column a{
    color:#5c6675;

    text-decoration:none;

    transition:.3s;
}

.footer-column a:hover{
    color:#0066ff;

    padding-left:5px;
}

.footer-bottom{
    border-top:1px solid #d8dde5;

    text-align:center;

    padding:25px;
}

.footer-bottom p{
    font-size:18px;

    color:#5c6675;
}

a{
    text-decoration:none;
    color:inherit;
}