body {
    margin: 0;
    font-family: "Times New Roman", Times, serif;
    background: #ffffff;
    color: #000000;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: #ffffff;
}

header p {
    letter-spacing: 3px;
    font-size: 14px;
    margin: 0;
}

header h1 {
    margin: 10px 0 0;
    font-size: 36px;
    font-weight: 400;
}

/* =========================
   GALLERY
========================= */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 40px 20px;
}

.gallery img {
    width: 100%;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery img:hover {
    transform: scale(1.05);
}

/* =========================
   CONTACT SECTION
========================= */
.contact {
    padding: 80px 20px;
    text-align: center;
    background: #ffffff;
}

.contact h2 {
    font-size: 32px;
    letter-spacing: 4px;
    font-weight: 300;
    margin-bottom: 40px;
}

.contact-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-icons a {
    width: 50px;
    height: 50px;
    border: 1px solid #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-icons a:hover {
    background: #000;
    color: #fff;
}

/* =========================
   FOOTER
========================= */
footer {
    text-align: center;
    padding: 20px;
    background: #000;
    color: #777;
    font-size: 13px;
}

/* =========================
   FIXED SOCIAL BAR
========================= */
.social-bar {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.social-bar a {
    width: 40px;
    height: 40px;
    border: 1px solid #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 16px;
    background: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-bar a:hover {
    background: #000;
    color: #fff;
}

/* =========================
   LIGHTBOX
========================= */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    cursor: default;
}

.lightbox-container {
    width: 90%;
    max-width: 400px;
    max-height: 90%;
    overflow: hidden;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.lightbox-container img {
    max-width: 100%;
    max-height: 100%;
    transform-origin: top left;
    transform: scale(1);
    transition: transform 0.2s ease;
    cursor: zoom-in;
    display: block;
}

.lightbox-container .prev,
.lightbox-container .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 40px;
    color: #fff;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s ease;
}

.lightbox-container .prev:hover,
.lightbox-container .next:hover {
    background: rgba(0,0,0,0.8);
}

.lightbox-container .prev { left: 10px; }
.lightbox-container .next { right: 10px; }

/* =========================
   RESPONSIVE BREAKPOINTS
========================= */

/* Large tablets */
@media (max-width: 1024px) {
    header h1 {
        font-size: 32px;
    }
    .gallery {
        gap: 15px;
    }
    .contact h2 {
        font-size: 28px;
    }
}

/* Tablets & small laptops */
@media (max-width: 768px) {
    header h1 {
        font-size: 28px;
    }
    .gallery {
        padding: 20px;
        gap: 15px;
    }
    .contact h2 {
        font-size: 24px;
    }
    .contact-icons a {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    .social-bar {
        left: 10px;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    header h1 {
        font-size: 22px;
    }
    .contact h2 {
        font-size: 20px;
    }
    .gallery img {
        border-radius: 5px;
    }
    .contact-icons a {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .social-bar {
        display: none; /* Κρύβουμε σε πολύ μικρές οθόνες */
    }
}