body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: white;
}

nav {
    display: flex;
    justify-content: flex-start; /* tlačidlá zarovnané na ľavú stranu */
    gap: 10px;                    /* väčší odstup medzi tlačidlami */
    padding: 0px 10px;           /* priestor hore a po bokoch */
    background: #1a1a1a;
}

nav a {
    color: rgba(255, 255, 255, 0.85); /* jemne priehľadné biele */
    text-decoration: none;
    font-weight: bold;
    font-size: 26px;       /* väčšie písmo */
    padding: 15px 20px;    /* väčší “click area” */
    border-radius: 5px;
    transition: 0.3s;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
    color: white;
}

.hero {
    position: relative;
    height: 90vh;
    background: url('background/hero.jpg') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* od hornej hrany */
    align-items: center;
    padding-top: 80px;           /* priestor od horného okraja */
}

/* tmavý overlay */
.hero::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.3); /* mierne tmavý overlay */
    z-index: 0;
}

/* meno */
.hero h1 {
    position: relative;
    color: rgba(255, 255, 255, 0.65);       /* jasná biela */
    font-size: 60px;    /* mierne väčšie, nie gigantické */
    margin: 0;
    text-align: center;
    z-index: 1;
}

/* slogan */
.hero p {
    position: relative;
    color: rgba(255, 255, 255, 0.65);       /* jasná biela */
    font-size: 24px;    /* mierne väčší, čitateľný */
    margin: 5px 0 0 0;  /* hneď pod menom */
    text-align: center;
    z-index: 1;
}

/* šípka */
.arrow {
    position: relative;
    font-size: 50px;
    cursor: pointer;
    color: white;
    margin-top: auto;   /* umiestni ju dole */
    margin-bottom: 20px; /* trochu vyššie od spodnej hrany */
}

.arrow {
    position: absolute;
    bottom: 40px;        /* vyššie od spodnej hranice */
    font-size: 60px;     /* väčšia šípka */
    cursor: pointer;
    color: rgba(255, 255, 255, 0.65); 
    z-index: 2;
    animation: bounce 5s infinite;
}

/* animácia šípky */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(15px); }
    60% { transform: translateY(7px); }
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.card {
    position: relative;
    overflow: hidden;
}

.card img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: 0.4s;
}

.card:hover img {
    transform: scale(1.1);
}

.card-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    color: rgba(255, 255, 255, 0.75);
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    pointer-events: none;
}

.card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}

.card:hover .card-title {
    color: rgba(255,255,255,0.9);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 20px;
}

.gallery img {
    width: 100%;
}

.upload {
    text-align: center;
    margin: 20px;
}

button {
    padding: 10px 20px;
    cursor: pointer;
}

.contact {
    text-align: center;
    padding: 50px;
    background: url('background/contact-bg.jpg') center/cover no-repeat;
}

.contact h1 {
    font-size: 40px;
}

.socials {
    margin: 30px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.socials a {
    color: white;
    text-decoration: none;
    border: 1px solid white;
    padding: 10px 20px;
    transition: 0.3s;
}

.socials a:hover {
    background: white;
    color: black;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

input, textarea {
    width: 300px;
    padding: 10px;
}

textarea {
    height: 100px;
}

button {
    padding: 10px 20px;
    cursor: pointer;
}

/* Kruhové ikonky */
.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 30px 0;
}

.contact-buttons a {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: black;
    color: white;
    font-size: 28px;
    text-decoration: none;
    transition: 0.3s;
}

.contact-buttons a:hover {
    transform: scale(1.2);
    background: #333;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.contact {
    text-align: center;
    padding: 50px;
}

.contact h1 {
    font-size: 40px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

input, textarea {
    width: 300px;
    padding: 10px;
    background: #222;
    border: none;
    color: white;
    border-radius: 5px;
}

textarea {
    height: 100px;
}

button {
    padding: 10px 20px;
    cursor: pointer;
    background: white;
    color: black;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

button:hover {
    background: #333;
    color: white;
}