/* ===== GENERAL SETTINGS ===== */

body {
    background-color: #f2f3f5;
    font-family: Arial, sans-serif;
    color: #243b5a;
    margin: 0;
}

/* ===== HEADINGS AND TEXT ===== */

h1 {
    font-size: 36px;
    text-align: left;
}

.tagline {
    font-size: 24px;
    text-align: left;
    margin-top: 16px;
}

/* ===== HEADER ===== */

header {
    background-color: #243b5a;
    color: #f2f3f5;
    display: flex;
    width: 100%;
    box-sizing: border-box;
    justify-content: space-between;
    align-items: center;
    gap: 80px;
    padding: 20px;
    padding-left: 5%;
    padding-right: 5%;
    
    margin: 0 auto;
}

.header-info {
    flex-shrink: 0;
    white-space: nowrap;
}




/* ===== NAVIGATION MENU ===== */

nav {
    font-size: 24px;
    text-align: right;
}

.menu {
    align-self: center;
    display: flex;
    gap:25px;
    flex-shrink: 0;
}

.menu a {
    color: #f2f3f5;
    text-decoration: none;
    padding: 12px;
    border-radius: 5px;
}

.menu a:hover {
    background-color: #f2f3f5;
    color: #243b5a;
}

/* ===== MAIN CONTENT AND IMAGES ===== */

.profile-image {
    display: block;
    margin: 0 auto;
    width: 75%;
    height: auto; 
    margin-top: 30px; 
}

/* ===== SECTIONS ===== */

section {
    background-color: #ffffff;
    text-align: center;
    padding: 30px;
    margin-top: 30px;
}

/* ===== FOOTER ===== */

footer {
    background-color: #243b5a;
    color: #f2f3f5;
    padding: 20px;
    text-align: center;
    margin: 30px 0 auto;
}

/* ===== ABOUT PAGE ===== */

h2 {
    text-align: center;
    padding: 26px;
    margin-bottom: 26px;
    font-size: 36px;
    color: #243b5a;
    text-decoration: underline;
}
.about-content {
    background-color: white;
    width: 83%;
    padding: 20px;
    margin: 40px auto;
    font-size: 20px;
    text-align: justify;
}

.about-content p {
    line-height: 1.7;
    margin-top: 0;
    margin-bottom: 20px;
}

.my-photo-image {
    width: 300px;
    height: auto;
    float: right;
    margin-top: 10px;
    margin-left: 30px;
    margin-bottom: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== SKILLS PAGE ===== */

.skills-title {
    text-align: center;
    font-size: 36px;
    color: #243b5a;
    margin-bottom: 20px;
}

.skills {
    list-style: none;
    padding: 0;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    font-size: 30px;
}

.education {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.education li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
    background-color: #ffffff;
    padding: 25px;
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 20px;
}

.ptyxio {
    width: 150px;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.certification {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 25px;
    flex-wrap: wrap;
}

.certification li {
    background-color: #ffffff;
    padding: 25px;
    margin-bottom: 30px;
    margin-top: 20px;
    font-size: 20px; 
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.technical-skills {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 25px;
    flex-wrap: wrap;
}

.technical-skills li {
    background-color: #ffffff;
    padding: 25px;
    margin-bottom: 30px;
    margin-top: 20px;
    font-size: 20px; 
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.ptyxio:hover, 
.toeic:hover,
.web-pages:hover,
.social-media:hover,
.html:hover,
.css:hover,
.javascript:hover  {
    transform: scale(1.08);
}

.ptyxio:hover,
.toeic:hover,
.web-pages:hover,
.social-media:hover {
    cursor: pointer;
}

.ptyxio,
.toeic,
.web-pages,
.social-media,
.html,
.css,
.javascript {
    transition: transform 0.3s ease;
}


/* ===== PROJECTS PAGE ===== */

.my-project {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    background-color: #ffffff;
    padding: 18px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
}

.my-project img:hover {
    transform: scale(1.08);
}

.my-project img {
    transition: transform 0.3s ease;
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.my-project ul {
    display: flex;
    justify-content: center;
    gap: 10px;
    list-style: none;
    padding: 0;
}

.my-project li {
    background-color: #dceaf5;
    color: #243b5a;
    padding: 6px 14px;
    border-radius: 6px;
}


/* ===== CONTACT PAGE ===== */

form {
    background-color: white;
    width: 60%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    padding: 24px;
}

input, textarea {
    width: 300px;
    padding: 8px;
    margin-top: 4px;
    text-align: left;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

label {
    display: block;
    font-size: 20px;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 20px;
}

button {
    background-color: #243b5a;
    color: white;
    font-size: 16px;
    padding: 16px;
    border: none;
    border-radius: 5px;
}

button:hover {
    cursor: pointer;
}

button:active {
    background-color: #d6d9df;
    color: #243b5a;
}

/* ===== lightbox sthn skills ===== */

#lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

#lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #243b5a;
    background: none;
    border: none;
    cursor: pointer;
}


/* ===== success-message στην CONTACT ==== */

#success-message {
    color: #218838;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin-top: 20px;
}

#success-message span {
    font-size: 26px;
    margin-right: 8px;
}


/* ===== RESPONSIVE (tablets, smartphons etc.) ===== */

* {
    box-sizing: border-box;
}

@media (max-width: 900px) {

    header {
        flex-direction: column;
        gap: 25px;
    }

        .menu {
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
}

@media (max-width: 600px) {

    .my-photo-image {
        float: none;
        display: block;
        max-width: 100%;
        margin: 10px auto 20px;
    }

    form {
     width: 100%;
    }

    input,
    textarea {
        width: 100%;
        max-width: 100%;
    }

    h1 {
    font-size: 28px;
    }

    .tagline {
        font-size: 18px;
    }

    .menu {
        font-size: 18px;
    }

    header {
        padding: 15px;
       gap: 15px;
    }

    .profile-image {
        width: 95%;
       margin-top: 20px;
    }

    .about-content {
        width: 95%;
        padding: 15px;
        font-size: 17px;
    }

    h2 {
        font-size: 28px;
       padding: 15px;
    }

    .skills {
     width: 95%;
        font-size: 24px;
    }

    .skills-title {
        font-size: 28px;
        padding: 15px;
    }

    .education li,
    .certification li,
    .technical-skills li {
        padding: 15px;
        font-size: 17px;
    }

    .my-project {
        width: 95%;
        padding: 15px;
        font-size: 17px;
    }

    .my-project img {
        max-width: 100%;
    }

    form {
        width: 95%;
        padding: 15px;
    }

    input,
    textarea {
        font-size: 16px;
        padding: 10px;
    }

    label {
        font-size: 17px;
    }

    button {
        padding: 13px 20px;
    }
}