:root {
    --main-color: #073B5B;
    --secondary-color: #64CF00;
    --background-color: #fff;
    --main-color-opacity: #1aa8ff12;
    --text-color: #333;
    --white: #fff;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}


/* Font */
@font-face {
    font-family: Roboto Thin;
    src: url(/fonts/Roboto-Thin.ttf);
}

@font-face {
    font-family: Roboto;
    src: url(/fonts/Roboto-Light.ttf);
}

@font-face {
    font-family: Roboto Medium;
    src: url(/fonts/Roboto-Medium.ttf);
}

@font-face {
    font-family: Roboto Bold;
    src: url(/fonts/Roboto-Bold.ttf);
}

@font-face {
    font-family: Roboto Italic;
    src: url(/fonts/Roboto-Italic.ttf);
}


/* Typography */
p,
li {
    line-height: 26px;
    font-size: 1.1rem;
}

h2 {
    color: var(--main-color);
    font-weight: 700;
    margin: 2rem 0 1rem 0;
}

h3 {
    background-color: var(--main-color-opacity);
    padding: 5px 10px;
    width: max-content;
}

/* Building blocks */
body {
    font-family: Roboto, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--main-color-opacity);
}

.container {
    width: 60%;
    margin: 2rem auto;
    padding: 3rem 4rem;
    background-color: var(--white);
    border-radius: 5px;
}

section {
    margin-bottom: 4rem;
}


/* 1. Header */
header {
    background: url(GP0STSG81_Low800px.jpg)#000000ad;
    /* background: url(image-markos-trakos-wwf-ellas.jpg) #000000ad; */
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 0 68%;
    background-blend-mode: hue;
    padding: 20px 0;
    text-align: center;
}

.header-title {
    font-size: 2rem;
    color: var(--white);
    margin: 0;
    text-transform: uppercase;
    padding: 20px;
}

/* 2. Intro */
.intro {
    text-align: center;
}

/* 3. Registration */
.register {
    display: flex;
    place-content: center;
}

.register-link {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--main-color);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    border-radius: 5px;

}

/* 4. List */

/* 5. Schedule */
.schedule ul {
    list-style-type: none;
    padding: 0;
}

.schedule li {
    margin: 10px 0;
}

/* 6. Goal */

/* 7. Project */

/* 8. Partners & 9. Support */
.logos {
    display: flex;
    justify-content: center;
    gap: 20px;

}

.logos img {
    max-width: 150px;
    padding-top: 10px;
}

.support {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    flex-direction: column;
    align-items: center;
}

.support img {
    max-width: 150px;
}

.table-container {
    width: 100%;
    max-width: 750px;
    overflow-x: auto;
    margin-top: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

/* thead {
    background-color: #007BFF;
    color: #fff;
} */

th,
td {
    padding: 10px;
    border: 1px solid #ddd;
    width: 20px;
}

tbody tr:nth-child(odd) {
    background-color: #f2f2f2;
}

tbody tr:hover {
    background-color: #e9ecef;
}

@media (max-width: 600px) {

    th,
    td {
        font-size: 14px;
    }
}

@media screen and (max-width: 1200px) {
    section {
        margin-bottom: 2rem;
    }

    .header-title {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 800px) {
    h2 {
        font-size: 1.4rem;
        margin: 1rem 0 0rem 0;
    }

    .container {
        width: 90%;
        padding: 1rem 2rem;
    }

    .header-title,
    .intro {
        text-align: left;
    }
}

@media screen and (max-width: 500px) {
    body {
        background-color: var(--white);
    }

    h2 {
        font-size: 1.2rem;
        margin: 1rem 0 0rem 0;
    }

    p,
    li {
        font-size: 16px;
    }

    .container {
        width: 94%;
        padding: 15px;
    }

    header {
        padding: 0;
    }

    .header-title {
        text-align: left;
    }

    .container {
        width: 100%;
        padding: 0;
        margin: 0;
    }

    section {
        padding: 0 20px;
    }
}