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

body {
    font-family: Arial, sans-serif;
    background-color: #111;
    color: #eee;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #222;
    text-align: center;
    padding: 40px 0;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
    color: #aaa;
}

nav {
    background-color: #333;
    position: relative;
}

/* Navigation links */
nav ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 15px;
    display: block;
}

nav ul li a:hover {
    background-color: #444;
    border-radius: 5px;
}

/* Burger menu button - ΚΡΥΦΟ σε desktop */
.menu-toggle {
    display: none;
    /* default: κρυφό σε desktop */
    font-size: 28px;
    cursor: pointer;
    background: none;
    border: none;
    color: #fff;
    position: absolute;
    top: 15px;
    right: 20px;
    z-index: 1000;
}

/* Mobile responsive menu */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        /* εμφανίζεται μόνο σε κινητά */
    }

    nav ul {
        max-height: 0;
        /* αρχικά κρυφό */
        overflow: hidden;
        flex-direction: column;
        background: #111;
        position: absolute;
        top: 60px;
        /* κάτω από header/nav */
        right: 20px;
        padding: 0 15px;
        border-radius: 8px;
        width: 200px;
        text-align: right;
        transition: max-height 0.3s ease-in-out;
        z-index: 999;
    }

    nav ul.active {
        max-height: 500px;
        /* αρκετό για όλα τα li */
        padding: 15px 0;
    }

    nav ul li a {
        padding: 8px 5px;
        /* πιο compact για mobile */
        font-size: 1rem;
    }

    nav ul li {
        margin: 4px 0;
    }
}

/* Sections */
section h2 {
    margin-bottom: 15px;
    font-size: 1.8rem;
    color: #fff;
}

section {
    margin-bottom: 40px;
}

ul li {
    margin-bottom: 10px;
}

/* Gallery */
.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.gallery a {
    flex: 1 1 25%;
    /* desktop: 4 ανά σειρά */
    max-width: 25%;
}

.gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

@media (max-width: 1024px) {
    .gallery a {
        flex: 1 1 50%;
        max-width: 50%;
        /* tablet: 2 ανά σειρά */
    }
}

@media (max-width: 600px) {
    .gallery a {
        flex: 1 1 100%;
        max-width: 100%;
        /* mobile: 1 ανά σειρά */
    }
}


/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #222;
    font-size: 0.9rem;
    color: #aaa;
}


/* Σύνδεσμοι επικοινωνίας */
#contact a {
    text-decoration: none;
    color: #66b2ff;
    font-weight: 500;
}

#contact a:hover {
    color: #99ccff;
}

footer a.footer-link {
    text-decoration: none;
    color: #66b2ff;
    font-weight: 500;
}

footer a.footer-link:hover {
    color: #99ccff;
}