html {
    overflow-y: scroll;
}
h5 {
    font-size: 24px; /* Default μέγεθος για desktop */
}
.card, h2, h3, h5, h6 {
    font-family: 'ComicSansLocal', cursive, sans-serif;
}
body {
    margin: 0;
    padding: 0;
    height: 200vh;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: #4e6e7d #c9d6df;
    padding-top: 45px;
    user-select: none;
}

html::-webkit-scrollbar {
    width: 10px;
}
p{
    font-size: x-large;
    text-transform: uppercase;
}
h4{
    font-size: 20px;
}
h5{
    font-size: 20px;
}
html::-webkit-scrollbar-track {
    background: #c9d6df;
    border-radius: 4px;
}

html::-webkit-scrollbar-thumb {
    background: #4e6e7d;
    border-radius: 4px;
    transition: background 0.3s ease-in-out;
}

html::-webkit-scrollbar-thumb:hover {
    background: #3b545f;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #333333, #444444);
    color: rgb(145, 2, 2);
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    border-bottom: 4px solid #444444;
    font-size: 18px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.logo {
    font-size: 28px;
    background: rgb(0, 156, 177);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'squid', sans-serif;
    text-shadow:
        2px 2px 5px rgba(0, 0, 0, 0.26), /* Outer shadow */
        -2px -2px 5px rgba(0, 0, 0, 0.26); /* Outer shadow from opposite side */
    filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.26))
            drop-shadow(-2px -2px 2px rgba(0, 0, 0, 0.26)); /* Simulating inner shadow */
}

.menu-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2000;
    background-color: #333;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu li {
    margin: 0 10px;
}
:root {
    --bg-dark: #121212;
    --bg-light: #f4f4f4;
    --text-dark: #ffffff;
    --text-light: #009cb1;
    --menu-hover-bg-dark: #333333;
    --menu-hover-bg-light: #e0e0e0;
}
.menu a {
    text-decoration: none;
    color: var(--text-dark); /* Default for light mode */
    padding: 12px 25px;
    border-radius: 25px;
    transition: background-color 0.3s, box-shadow 0.3s, transform 0.3s, color 0.3s;
    font-family: 'typwrng', sans-serif;
    /* Default shadows for light mode */
    text-shadow:
        2px 2px 5px rgba(0, 0, 0, 0.5), /* Light outer glow */
        -2px -2px 5px rgba(0, 0, 0, 0.4); /* Light inner glow */
    filter: drop-shadow(2px 2px 2px rgb(0, 0, 0))
            drop-shadow(-2px -2px 2px rgba(255, 255, 255, 0.377));
}

.menu a:hover {
color: #adadad;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 30px;
    color: white;
    cursor: pointer;
    transition: transform 0.3s;
}

.hamburger:hover {
    transform: scale(1.2);
}


#home {
    padding: 20px 20px 40px;
    text-align: center;
}

#home h1 {
    font-size: 36px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
    padding: 0;
    display: inline-block;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.4;
    font-family: 'squid', sans-serif;
    background: rgb(0, 156, 177);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow:
        2px 2px 5px rgba(0, 0, 0, 0.26), /* Outer shadow */
        -2px -2px 5px rgba(0, 0, 0, 0.26); /* Outer shadow from opposite side */
    filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.26))
            drop-shadow(-2px -2px 2px rgba(0, 0, 0, 0.26)); /* Simulating inner shadow */
}

.image-container {
    margin: 30px auto;
    max-width: 1200px;
    max-height: 80vh;
    padding: 20px;
    border-radius: 25px;
    background: var(--container-bg);
    box-shadow:
            10px 10px 20px rgba(0, 0, 0, 0.2),
            -10px -10px 20px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.4s ease, box-shadow 0.4s ease, border 0.4s ease;
}

.image-container:hover {
    box-shadow:
            inset 5px 5px 15px rgba(0, 0, 0, 0.25),
            inset -5px -5px 15px rgba(255, 255, 255, 0.1),
            0 0 25px rgba(0, 156, 177, 0.4);
    border: 1px solid rgba(0, 156, 177, 0.4);
}

.main-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    object-fit: cover;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
    transition: filter 0.3s ease;
}

.main-image:hover {
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.4));
}

/* Define light/dark mode variables */
:root {
    --container-bg: rgba(255, 255, 255, 0.15);
}

body.dark-mode {
    --container-bg: rgba(0, 0, 0, 0.3);
}




.description {
    margin-top: 35px;
    margin-left: 15em;
    margin-right: 15em;
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    text-align: justify;
    background-color: #f2f3f7;
    border-radius: 0.75em;
    padding: 0em 2em 0.5em 2em;
    box-shadow: 1em 1em 1em #d8dae0b1, -0.75em -0.75em 1em #ffffff;
    border: 1.5px solid #f2f3f7;
    cursor: pointer;
    transition: ease 0.2s;
    font-family: Arial, Helvetica, sans-serif;
}

.description:hover {
    background-color: #d3ddf1;
    border: 1.5px solid #1677ff;
}


.card p:hover {
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}

.card img {
    width: calc(95% - 20px);
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 12px;
    margin: 0px 0 28px 0px; /* Ελαχιστοποίηση του κενού πάνω και κάτω */
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease, filter 0.3s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.card img:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    opacity: 1;
    filter: contrast(115%);
}

.card .description {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    padding: 10px;
    text-align: justify;
    font-family: 'Arial', sans-serif;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 70px;
    justify-items: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-overflow-scrolling: touch;
}

.copyright {
    position: relative;
    overflow: hidden;
    font-weight: 600;
    font-size: 16px;
    color: #f5f5f5;
    text-align: center;
    padding: 20px 0;
    background: rgba(30, 30, 40, 0.7);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    letter-spacing: 1.5px;
    font-family: 'Poppins', Arial, sans-serif;
    text-transform: uppercase;
    width: 100%;
    transition: all 0.5s ease;
}

/* Animated starfield background */
.copyright::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(circle, rgba(255,255,255,0.2) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: starfieldMove 90s linear infinite;
    pointer-events: none;
    opacity: 0.4;
}

@keyframes starfieldMove {
    from { transform: translate(0, 0); }
    to { transform: translate(80px, 80px); }
}

.copyright a {
    position: relative;
    color: #f5f5f5;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.copyright a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #ff6ec4, #7873f5, #00f2fe);
    background-size: 200%;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease, background-position 0.4s ease;
}

.copyright a:hover::after {
    transform: scaleX(1);
    background-position: right;
}

.copyright a:hover {
    color: #00f2fe;
    text-shadow: 0 0 12px rgba(0, 242, 254, 0.8);
}

/* Light mode */
body.light-mode .copyright {
    background: rgba(255, 255, 255, 0.4);
    color: #202020;
}

body.light-mode .copyright a {
    color: #202020;
}

body.light-mode .copyright a:hover {
    color: #ff6ec4;
    text-shadow: 0 0 12px rgba(255, 110, 196, 0.6);
}

/* Dark mode */
body.dark-mode .copyright {
    background: rgba(20, 20, 30, 0.85);
    color: #e0e0e0;
}

body.dark-mode .copyright a {
    color: #e0e0e0;
}

body.dark-mode .copyright a:hover {
    color: #7873f5;
    text-shadow: 0 0 12px rgba(120, 115, 245, 0.8);
}


/* From Uiverse.io by garerim */
.container {
    display: flex;
    justify-content: center; /* Center the search bar horizontally */
    margin-top: 50px; /* Add some space between the navigation and the search bar */
  }

  .container-input {
    position: relative;
  }

  .input {

    width: 150px;
    padding: 10px 0px 10px 40px;
    border-radius: 9999px;
    border: solid 1px #333;
    transition: all 0.2s ease-in-out;
    outline: none;
    opacity: 0.8;
  }

  .container-input svg {
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translate(0, -50%);
  }

  .input:focus {
    opacity: 1;
    width: 250px;
  }

  h1 {
    text-align: center; /* Center the title */
    margin-top: 20px; /* Add space between the search bar and the title */
  }

#no-results-message {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #ff4c4c;
    background-color: rgba(255, 76, 76, 0.1);
    padding: 10px 20px;
    border-radius: 10px;
    margin: 10px auto 0;
    width: fit-content;
    box-shadow: 0 4px 10px rgba(255, 76, 76, 0.3);
    animation: fadeIn 0.5s ease-in-out;
    position: relative;
    top: 10px;
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* White mode */
body.light-mode .description .show-more {
    background: linear-gradient(135deg, #cfd9df, #e2ebf0);
    border: none;
    color: #333;
    cursor: pointer;
    font-size: 0.85em;
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    margin-left: 10px;
    margin-top: 6px; /* +6px κάτω */
}

body.light-mode .description .show-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #e2ebf0, #cfd9df);
}

body.light-mode .description .show-more:active {
    filter: brightness(0.95);
}

/* Dark mode */
body.dark-mode .description .show-more {
    background: linear-gradient(135deg, #1a2a3c, #16202c);
    border: none;
    color: #e0f7fa;
    cursor: pointer;
    font-size: 0.85em;
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    margin-left: 10px;
    margin-top: 8px; /* +6px κάτω */
}

body.dark-mode .description .show-more:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 18px rgba(0, 242, 254, 0.5);
}

body.dark-mode .description .show-more:active {
    filter: brightness(1.1);
}

/* Κρύψε το κουμπί πάνω από 500px */
@media (min-width: 500px) {
    .description .show-more {
        display: none !important;
    }
}

/* Περιβάλλον h4 ώστε το κουμπί να μην αφήνει κενά */
.description-heading {
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}


/* Large Desktops & Tablet Landscape */
@media (max-width: 1650px) {
    .gallery {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 40px;
    }
}

@media (max-width: 1650px) and (orientation: landscape) {
    .gallery {
        gap: 40px;
    }
}

/* Desktop & Tablet Portrait */
@media (max-width: 1400px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 30px;
        padding: 0 20px;
    }

    h5 { font-size: 20px; }
    h4 { font-size: 14px; }
}

/* Medium Screens */
@media (max-width: 1368px) {
    .gallery {
        grid-template-columns: repeat(1, 1fr);
    }

    .description {
        margin: 0 0.5em;
        padding: 1em;
        font-size: 14px;
    }
}

/* Tablets & Mobile Landscape */
@media (max-width: 1268px) {
    .card {
        width: 95%;
        max-width: none;
    }

    .menu {
        display: none;
        position: fixed;
        top: 0;
        left: -100%;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.9);
        transition: left 0.5s ease-in-out, opacity 0.3s ease;
        z-index: 999;
    }

    .menu.show {
        display: flex;
        left: 0;
        animation: fadeIn 0.5s ease-in-out;
    }

    .menu li { margin: 15px 0; }

    .menu a {
        font-size: 18px;
        padding: 15px 30px;
        color: white;
        text-decoration: none; /* Ensure links don't have underlines */
        transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        border-radius: 8px; /* Add rounded corners for a modern look */
    }

    .menu a:hover {
        background: linear-gradient(90deg, #4facfe, #00f2fe); /* Blue gradient */
        transform: scale(1.05); /* Slightly enlarge the link */
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); /* Add a subtle shadow */
        animation: pulse 1.5s infinite; /* Add a pulse animation */
    }

    @keyframes pulse {
        0% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.05);
        }
        100% {
            transform: scale(1);
        }
    }

    .hamburger {
        display: block;
        cursor: pointer;
        z-index: 1000;
    }

    .logo {
        width: fit-content;
        margin: 0 auto;
        text-align: center;
        transition: 300ms;
    }
}

/* Mobile Screens */
@media (max-width: 900px) and (orientation: landscape) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .card {
        transform: scale(0.95);
    }
}

@media (max-width: 800px) {
    .gallery {
        grid-template-columns: 1fr !important;
        gap: 25px;
        padding: 0 15px;
    }

    #home h1 {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .card {
        width: 85%;
        margin: 0 auto;
    }

    p { font-size: 20px; }
    h4 { font-size: 18px; }
    .description { font-size: 3vw !important; }
}

@media (max-width: 768px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }



    p { font-size: 22px; }
    h4 { font-size: 15px; }
    h5 { font-size: 14px; }
}

@media (max-width: 600px) {
    .gallery { gap: 20px; }
}

@media (max-width: 580px) {
    h4 { font-size: 12px; }
    h5 { font-size: 11px; }
    p { font-size: 18px; }
}

@media (max-width: 520px) {
    p { font-size: 17px; }
}

@media (max-width: 480px) {
    .gallery {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        padding: 0 10px;
    }

    .card {
        width: 95%;
        max-width: 90%;
        margin: 0 auto;
    }

    #home h1 {
        font-size: 20px;
        letter-spacing: 0.5px;
    }

    .description {
        padding: 0.8em;
        font-size: 2.5vw !important;
    }

    .card p {
        font-size: clamp(14px, 4vw, 16px);
    }
}

/* Orientation Handling */
@media (orientation: portrait), (orientation: landscape) {
    .gallery {
        transition: all 0.4s ease-in-out;
    }
}

.card {
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

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

/* Fluid Typography */
/* Ενημέρωση υπαρχόντων clamp() */
h4 { font-size: clamp(14px, 3.5vw, 20px); }
h5 { font-size: clamp(13px, 3vw, 18px); }
p { font-size: clamp(15px, 4.5vw, 20px); }
/* Προσθήκη για h6 */
.card h6 {
    font-size: clamp(18px, 5vw, 28px);
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Desktop adjustments */
@media (min-width: 1024px) {
    .image-container {
        max-width: 1000px;
        padding: 30px;
        perspective: 1200px;
    }
}

@media (min-width: 1024px) and (max-width: 1440px) {
    .image-container {
        max-width: 800px;
        padding: 25px;
    }
}

/* Tablets */
@media (max-width: 1024px) {
    .image-container {
        max-width: 80%;
        padding: 15px;
        perspective: 1000px;
    }

    .image-container:hover {
        transform: perspective(1000px) rotateX(4deg) rotateY(-4deg) scale(1.04);
    }
}

/* Small tablets & large phones */
@media (max-width: 768px) {
    .image-container {
        max-width: 85%;
        padding: 10px;
        perspective: 800px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .image-container {
        max-width: 83%;
        padding: 8px;
        border-radius: 25px;
        perspective: 600px;
    }

    .image-container:hover {
        transform: perspective(600px) rotateX(2deg) rotateY(-2deg) scale(1.02);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }

    .copyright {
        font-size: 8px;
        background-color: rgba(0, 156, 177, 0.75);
        padding: 4px 0;
        letter-spacing: 0.3px;
    }
}

/* Very small phones */
@media (max-width: 320px) {
    .image-container {
        max-width: 85%;
        padding: 5px;
        border-radius: 6px;
        perspective: 500px;
    }

    .image-container:hover {
        transform: none;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .copyright {
        font-size: 9px;
        background-color: rgba(0, 156, 177, 0.7);
        padding: 5px 0;
        letter-spacing: 0.2px;
    }
}

/* Extremely small screens */
@media (max-width: 240px) {
    .image-container {
        max-width: 90%;
        padding: 4px;
        border-radius: 5px;
    }

    .image-container:hover {
        transform: none;
        box-shadow: none;
    }
}

/* Orientation */
@media (orientation: portrait) {
    .image-container {
        max-height: 60vh;
    }
}

@media (orientation: landscape) {
    .image-container {
        max-height: 80vh;
        margin: 10px auto;
    }
}

/* Copyright optimizations */
@media (max-width: 1200px) {
    .copyright {
        font-size: 15px;
        background-color: rgba(0, 156, 177, 0.88);
        padding: 11px 0;
    }
}

@media (max-width: 1050px) {
    .copyright {
        font-size: 14px;
        background-color: rgba(0, 156, 177, 0.85);
        padding: 10px 0;
        letter-spacing: 0.8px;
    }
}

@media (max-width: 900px) {
    .copyright {
        font-size: 13px;
        background-color: rgba(0, 156, 177, 0.82);
        padding: 9px 0;
        letter-spacing: 0.6px;
    }
}

@media (max-width: 768px) {
    .copyright {
        font-size: 12px;
        background-color: rgba(0, 156, 177, 0.8);
        padding: 8px 0;
        letter-spacing: 0.5px;
    }
}

@media (max-width: 600px) {
    .copyright {
        font-size: 11px;
        background-color: rgba(0, 156, 177, 0.77);
        padding: 7px 0;
        letter-spacing: 0.4px;
    }
}