:root {
    --mainColor: #eaeaea;
    --secondaryColor: #fff;

    --borderColor: #c1c1c1;

    --mainText: #000;
    --secondaryText: #4b5156;

    --themeDotBorder: #24292e;

    --previewBg: rgb(251, 249, 243, 0.8);
    --previewShadow: #f0ead6;

    --buttonColor: #000;
}

html,
body {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body,
* {
    transition: 0.3s;
}

h1,
h2,
h3,
h4,
h5,
h6,
strong {
    color: var(--mainText);
    font-family: 'Russo One', sans-serif;
    font-weight: 500;
}

p,
li,
span,
label,
input,
textarea {
    color: var(--secondaryText);
    font-family: 'Roboto Mono', monospace;
}

a {
    text-decoration: none;
    color: #17a2b8;
}

ul {
    list-style: none;
}

h1 {
    font-size: 56px;
}
h2 {
    font-size: 36px;
}
h3 {
    font-size: 28px;
}
h4 {
    font-size: 24px;
}
h5 {
    font-size: 20px;
}
h6 {
    font-size: 16px;
}

.s1 {
    background-color: var(--mainColor);
    border-bottom: 1px solid var(--borderColor);
    overflow: auto;
}

.s2 {
    background-color: var(--secondaryColor);
    border-bottom: 1px solid var(--borderColor);
    overflow: auto;
}

.main-container {
    width: 1200px;
    margin: 0 auto;
}

#porto,
#contact {
    overflow-y: hidden;
}

.greeting-wrapper {
    display: grid;
    text-align: center;
    align-content: center;
    min-height: 10em;

    /* To show the area of greeting-wrapper */
    /* border: 2px dashed lightcoral; */
}

.intro-wrapper {
    background-color: var(--secondaryColor);
    border: 1px solid var(--borderColor);
    border-radius: 5px 5px 0 0;

    -webkit-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);

    display: grid;
    grid-template-columns: 1fr 1fr;
    /* 
        3em for 'nav-wrapper nav-wrapper' & 
        30em for 'left-column right-column' 
    */
    /* grid-template-rows: 3em 30em; */
    grid-template-areas:
        'nav-wrapper nav-wrapper'
        'left-column right-column';
}

.nav-wrapper {
    grid-area: nav-wrapper;
    border-bottom: 1px solid var(--borderColor);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--mainColor);
    border-radius: 5px 5px 0 0;

    /* To see the actual area of this class, put a border to create lines */
    /* border: 1px dashed lightcoral; */
}

#navigation a {
    color: var(--mainText);
}

#navigation {
    margin: 0;
    padding: 10px;
}

#navigation li {
    display: inline-block;
    margin-right: 5px;
    margin-left: 5px;
}

.dots-wrapper {
    display: flex;
    padding: 10px;
}

#dot-1 {
    background-color: #fc6058;
}

#dot-2 {
    background-color: #fec02f;
}

#dot-3 {
    background-color: #2aca3e;
}

.browser-dot {
    background-color: #000;
    height: 15px;
    width: 15px;
    border-radius: 50%;
    margin: 5px;

    -webkit-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
}

.left-column {
    grid-area: left-column;
    padding-top: 50px;
    padding-bottom: 50px;

    /* To see the actual area of this class, put a border to create lines */
    /* border: 1px dashed lightcoral; */
}

#profile_pic {
    display: block;
    margin: 0 auto;

    height: 200px;
    width: 200px;
    /* No matter what size of image is, that is not gonna destroy it, only trying to position in it */
    object-fit: cover;
    border: 2px solid var(--borderColor);
}

#theme-options-wrapper {
    display: flex;
    justify-content: center;
}

.theme-dot {
    height: 30px;
    width: 30px;
    background-color: #000;
    border-radius: 50%;

    margin: 5px;
    border: 2px solid var(--themeDotBorder);

    -webkit-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);
    box-shadow: -1px 1px 3px -1px rgba(0, 0, 0, 0.75);

    /* 
        'cursor: pointer' enables to change mouse 
        to pointer(clickable) when users hover it 
    */
    cursor: pointer;
}

.theme-dot:hover {
    border-width: 5px;
}

#light-mode {
    background-color: #fff;
}

#blue-mode {
    background-color: #192734;
}

#green-mode {
    background-color: #78866b;
}

#purple-mode {
    background-color: #7e4c74;
}

#settings-note {
    font-size: 12px;
    font-style: italic;
    text-align: center;
}

.right-column {
    grid-area: right-column;
    display: grid;
    align-content: center;
    padding-top: 50px;
    padding-bottom: 50px;

    /* To see the actual area of this class, put a border to create lines */
    /* border: 1px dashed lightcoral; */
}

#preview-shadow {
    background-color: var(--previewShadow);
    max-width: 300px;
    height: 180px;
    padding-left: 30px;
    padding-top: 30px;
}

#preview {
    width: 300px;
    border: 1.5px solid #17a2b8;
    background-color: var(--previewBg);
    padding: 15px;
    position: relative;
}

.corner {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: 1.5px solid #17a2b8;
    background-color: #fff;
    position: absolute;
}

#corner-tl {
    top: -5px;
    left: -5px;
}

#corner-tr {
    top: -5px;
    right: -5px;
}

#corner-br {
    bottom: -5px;
    right: -5px;
}

#corner-bl {
    bottom: -5px;
    left: -5px;
}

.about-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    padding-top: 50px;
    padding-bottom: 50px;
    gap: 100px;
}

#skills {
    display: flex;
    justify-content: space-evenly;
    background-color: var(--previewShadow);
}

.social-links {
    display: grid;
    /* Should have added 'align-content: center' but there is a problem. */
    align-content: center;
    text-align: center;
}

#social_img {
    width: 100%;
    border-radius: 10px;
    border: 2px solid #2aca3e;
}

.logo-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}

.a-wrapper {
    display: flex;
    flex-direction: column;
}

.fa-linkedin,
.fa-linkedin-square {
    color: #007bb6;
}

.contact-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}

.post-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, 320px);
    gap: 20px;
    justify-content: center;
    padding-bottom: 50px;
}

.post {
    border: 1px solid var(--borderColor);
    -webkit-box-shadow: -2px 7px 21px -9px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: -2px 7px 21px -9px rgba(0, 0, 0, 0.75);
    box-shadow: -2px 7px 21px -9px rgba(0, 0, 0, 0.75);
}

.thumbnail {
    display: block;
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.post-preview {
    background-color: #fff;
    padding: 15px;
}

.post-title {
    color: #000;
    margin: 0;
}

.post-intro {
    color: #4b5156;
    font-size: 14px;
}

.btn-more {
    position: relative;

    margin-top: 10px;
    margin-bottom: 25px;

    background: paleturquoise;
    border: 2px solid lightgreen;
    padding: 20px;

    font-size: 0.9em;
    color: #000;
    box-shadow: 4px 4px 0px 0px plum;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    transition: all 300ms ease-in-out;
    left: 0;
    top: 0;
}

.btn-more:hover {
    left: 4px;
    top: 4px;
    box-shadow: 0 0 0 0 white;
}

#contact-form {
    display: block;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--borderColor);
    padding: 15px;
    border-radius: 5px;
    background-color: var(--mainColor);
    margin-bottom: 50px;
}

#contact-form label {
    line-height: 2.7em;
}

#contact-form textarea {
    min-height: 100px;
    font-size: 14px;
}

.input-field {
    width: 100%;
    padding-top: 10px;
    padding-bottom: 10px;
    background-color: var(--secondaryColor);
    border-radius: 5px;
    border: 1px solid var(--buttonColor);
    font-size: 14px;
}

#submit-btn {
    margin-top: 10px;
    width: 100%;
    padding-top: 10px;
    padding-bottom: 10px;
    color: #fff;
    background-color: var(--buttonColor);
    border: none;
}

@media screen and (max-width: 1200px) {
    .main-container {
        width: 95%;
    }
}

@media screen and (max-width: 800px) {
    .intro-wrapper {
        grid-template-columns: 1fr;
        grid-template-areas:
            'nav-wrapper'
            'left-column'
            'right-column';
    }

    .right-column {
        justify-content: center;
    }
}

@media screen and (max-width: 400px) {
    #preview-shadow {
        max-width: 280px;
        height: 180px;
        padding-left: 10px;
        padding-top: 10px;
    }

    #preview {
        width: 280px;
    }

    .contact-wrapper {
        display: flex;
        flex-direction: column;
    }
}

@media screen and (max-width: 500px) {
    .contact-wrapper {
        display: flex;
        flex-direction: column;
    }
}

@media screen and (max-width: 380px) {
    .logo-wrapper {
        display: flex;
        flex-direction: column;
    }
}