:root {
    --color-1: #121212;
    --text-color: #f4f5f7;
    --accent-color: #5271ff;
    --background-color: #232222;
    --text-color2: #bec1ba;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--color-1);
}

html {
    font-size: 12pt;
    font-family: Segoe UI, Tahoma, sans-serif;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    padding-top: 60px; 
}

.home-page, .about-page, .experience-page, .skills-page, .projects-page, .contact-page {
    margin: 0 5%;
    height: 100%;
    color: var(--text-color);
    overflow-x: hidden; 
}

/* NAV BAR */
nav {
    height: 60px;
    background-color: var(--color-1);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
}

.links-container {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
}

nav a {
    height: 100%;
    padding: 0 20px;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    white-space: nowrap;
}

nav a:hover {
    background-color: var(--accent-color);
    transition: 0.2s;
}

nav .home-link {
    margin-right: auto;
}

nav svg {
    fill: var(--text-color);
}

#sidebar-active {
    display: none;
}

.open-sidebar-button, .close-sidebar-button {
    display: none;
}

/* HOME SECTION */

.home-page {
    display: flex;
    flex-direction: row;
}

.left-home, .right-home {
    height: 100%; 
}

.left-home {
    width: 40%; 
    display: flex;
    flex-direction: column;
    justify-content: center; 
}

.right-home {
    width: 60%; 
    display: flex;
    justify-content: center; 
    align-items: center; 
}

.introduction {
    background-color: var(--background-color);
    width: 260px;
    padding: 7px;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 25px;
    color: var(--text-color2);
}

.welcome-message {
    font-size: 45px;
    margin-bottom: 30px;
    text-align: left; 
}

.highlight {
    color: var(--accent-color);
}

.experience, .coding, .coffee {
    display: flex;
    flex-direction: row;
    width: 250px;
    margin: 5px;
    border-bottom: 0.1px solid #d2d2db;
}

.numbers {
    background-color: var(--background-color);
    width: 45px;
    padding: 7px;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-color2);
    font-size: 15px;
}

.statements {
    padding: 7px;
    text-align: left;
    border-radius: 15px;
    margin-bottom: 10px;
    color: var(--text-color2);
    font-size: 15px;
}

.coffee {
    border-bottom: unset;
    margin-bottom: 30px;
}

button {
    --primary-color: #5271ff;
    --secondary-color: #fff;
    --hover-color: #111;
    --arrow-width: 10px;
    --arrow-stroke: 2px;
    box-sizing: border-box;
    border: 0;
    border-radius: 15px;
    color: var(--secondary-color);
    padding: 1em 1.2em; 
    background: var(--primary-color);
    display: inline-flex;
    align-items: center; 
    justify-content: center; 
    gap: 0.6em; 
    font-weight: bold;
    font-family: "Segoe UI";
    width: 130px;
    transition: 0.2s background;
    cursor: pointer;
    font-size: 15px;
    margin-bottom: 0;
}

button .arrow-wrapper {
    display: flex;
    align-items: center; 
    justify-content: center; 
}

button .arrow {
    width: var(--arrow-width);
    height: var(--arrow-stroke);
    position: relative;
    background: var(--primary-color);
    transition: 0.2s;
}

button .arrow::before {
    content: "";
    box-sizing: border-box;
    position: absolute;
    border: solid var(--secondary-color);
    border-width: 0 var(--arrow-stroke) var(--arrow-stroke) 0;
    display: inline-block;
    top: -3px;
    right: 3px;
    transition: 0.2s;
    padding: 3px;
    transform: rotate(-45deg);
}

button:hover {
    background-color: var(--hover-color);
}

button:hover .arrow {
    background: var(--secondary-color);
}

button:hover .arrow::before {
    right: 0;
}

.right-home img {
    max-width: 100%;
    height: auto;
}

/* ABOUT PAGE */

.about-page {
    display: flex;
    flex-direction: column;
}

.page-title {
    display: flex;
    flex-direction: row;
    gap: 15px;
    align-items: center;
    text-align: left;
    margin: 20px;
}

.title {
    font-size: 25px;
    font-family: 'Segoe UI';
    margin: 0;
}

.subtitle {
    font-size: 15px;
    margin: 0;
}

.menu-icons {
    fill: var(--text-color);
    width: 40px;
    height: 40px;
}

.content {
    display: flex;
    align-items: flex-start;
}

.left-about {
    width: 40%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.id-picture {
    height: 300px;
    width: 400px;
    background-image: url("./photos/cj-cabase.png");
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 15px;
    margin-top: 10px;
}

.my-name {
    margin-top: 20px;
    font-size: 21px;
}

.nickname {
    font-size: 13px;
    color: var(--text-color2);
    margin-bottom: 30px;
}

button {
    margin-top: 20px;
}

.right-about {
    width: 60%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: 20%;
}

.info-block {
    display: flex;
    flex-direction: row;
    width: 100%;
    margin-bottom: 10px;
    margin-top: 10px;
    padding-bottom: 20px; 
    border-bottom: 1px solid #ccc; 
    position: relative;
}

.info-block:last-child {
    border-bottom: none; 
}

.about-info {
    width: 150px; 
    font-weight: bold;
    margin-right: 20px;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.about-details {
    flex: 1;
}

.about-details p.info-label {
    margin-bottom: 15px;
    padding: 0;
}

.about-emphasis {
    font-weight: bold;
}

/* EXPERIENCES PAGE */

.timeline {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 0 9%;
    box-sizing: border-box;
}

.timeline .timeline-box {
    position: relative;
    margin-top: 30px;
    padding: 0 10px;
}

.timeline .timeline-row {
    display: flex;
    column-gap: 64px;
    flex-wrap: wrap;
    text-align: left;
}

.timeline-row .timeline-column {
    flex: 1 1 320px;
    position: relative;
    margin-bottom: 30px; 
}

.timeline-column .timeline-box {
    border-left: 2px solid var(--text-color);
    padding-left: 30px;
    position: relative;
    overflow: visible;
}

.timeline-box .timeline-content {
    margin-bottom: 15px;
    position: relative;
    padding: 10px; 
}

.timeline-box .timeline-content::before {
    content: '';
    position: absolute;
    top: 30px;
    left: -40px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 0;
}

.nu-shs-logo, .nu-logo {
    flex-shrink: 0;
    height: 100px;
    width: 100px;
    background-size: cover; 
    background-repeat: no-repeat;
    margin-right: 5px;
    display: block;
}

.nu-shs-logo {
    background-image: url(./photos/nu\ shs.png);
}

.nu-logo {
    background-image: url(./photos/nu-l.png);
}

.timeline-content .university-block {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.timeline-content .text-area {
    padding-left: 5px;
    flex-grow: 1;
}

.timeline-content .credentials, .description {
    padding-left: 50px;
    font-size: smaller;
}

.text-area h3 {
    color: var(--accent-color);
}

.achievement-photo {
    width: 350px;
    height: 150px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    margin-bottom: 10px;
}

.achievement-photo img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.achievement-block .text-area {
    margin-bottom: 10px;
}

.credentials span {
    font-weight: bold;
}


/* SKILLS SECTION */

#skills p, img {
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    background: none; 
    box-shadow: none;  
}

.skills-page {
    display: flex;
    flex-direction: column; 
    height: 100%; 
    margin: 20px;
}

.skills-row {
    display: flex;
    flex-direction: row; 
    height: 100%; 
}

.left-skills, .skills-container {
    height: 100%;
    align-items: center;
}

.left-skills {
    width: 30%; 
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.left-skills img {
    max-width: 80%;
    height: auto;
}

.skills-container {
    width: 70%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(105px, 1fr)); 
    gap: 5px; 
    justify-items: center;
    padding: 7%;
}

.card {
    background-color: var(--background-color); 
    border-radius: 8px;
    padding: 10px; 
    text-align: center;
    width: 100px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); 
    border: none; 
    height: 100px; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 10px;
}

.card img {
    width: 50px;  
    height: 50px; 
    margin-bottom: 8px; 
    object-fit: contain; 
}

.card p {
    font-size: 12px; 
    color: var(--text-color);
    margin: 0;
    font-weight: bold;
    white-space: nowrap; 
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%; 
}

.card:hover {
    transform: scale(1.05);
}

/* PROJECTS SECTION */

#projects p, img {
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    background: none;
    box-shadow: none;
}

.card-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.project-card {
    width: 350px;
    background-color: var(--background-color);
    border-radius: 15px;
    overflow: hidden;
    margin: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); 
}

.project-card img {
    width: 100%;
    height: auto;
}

.card-content {
    padding: 16px;
    position: relative; 
    background-color: var(--background-color); 
}

.title-description {
    display: flex;
    flex-direction: column;
    justify-content: space-between; 
    align-items: flex-start; 
    background-color: var(--background-color);
    margin-bottom: 8px; 
}

.card-content h3 {
    font-size: 20px;
    font-weight: bold;
    background-color: var(--background-color);
    color: var(--accent-color, #333); 
}

.card-content .description {
    font-size: 13px;
    color: var(--text-color2, #666); 
    line-height: 1.3;
    margin: 0;
    padding: 0;
    text-align: left;
    background-color: var(--background-color);
}

.open-in-new {
    position: absolute; 
    background-color: var(--background-color);
    top: 16px; 
    right: 16px; 
    fill: var(--text-color, #000); 
}

.project-card:hover {
    transform: scale(1.01);
}


/* CONTACT SECTION  */

.contact-page {
    display: flex;
    flex-direction: column;
    align-items: left; 
    justify-content: left; 
    width: 100%; 
    max-width: 100%; 
    height: 200px; 
    margin: 0 auto; 
    padding: 20px; 
    box-sizing: border-box; 
    background-color: var(--color-1); 
    border-radius: 10px; 
}

.my-socials {
    display: flex;
    justify-content: space-between; 
    align-items: left; 
    width: 100%; 
    margin: 20px; 
}

#social-test {
    text-align: left; 
}

.social {
    list-style: none;
    padding-left: 0;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    overflow: visible; 
}

.social li {
    width: 40px;
    height: 40px;
    line-height: 40px;
    background-color: transparent;
    border: 1px solid var(--text-color2);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-color2);
    transition: 0.3s ease;
    box-shadow: none; 
    border-radius: 0; 
    padding: 0; 
    overflow: visible; 
}

.social li a {
    color: inherit; 
    text-decoration: none; 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%; 
}

.social li:hover {
    color: var(--accent-color); 
    border-color: var(--accent-color); 
    background-color: transparent; 
}

.social li i {
    font-size: 20px;
}

.social:hover li {
    opacity: 0.5;
}

.social:hover li:hover {
    opacity: 1;
}

  
/* MOBILE RESPONSIVE */
@media(max-width: 425px) {
    .links-container {
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: 0; 
        right: -100%;
        z-index: 10;
        width: 300px;
        height: 100%;
        background-color: var(--color-1);
        box-shadow: -5px 0 5px rgba(0, 0, 0, 0.25);
        transition: 0.75s ease-out;
    }

    nav a {
        box-sizing: border-box;
        height: auto;
        width: 100%;
        padding: 20px 30px;
        justify-content: flex-start;
    }

    .open-sidebar-button, .close-sidebar-button {
        padding: 20px;
        display: block;
    }

    #sidebar-active:checked ~ .links-container {
        right: 0;
    }

    #sidebar-active:checked ~ .home-section {
        filter: blur(5px); 
    }

    #sidebar-active:checked ~ #overlay {
        height: 100%;
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9;
        background-color: rgba(0, 0, 0, 0.5); 
    }

    .left-home {
        width: 100%;
    }

    .page {
        margin: 0;
        padding: 5%;
        flex-direction: column; 
        text-align: center;
    }

    /* HOME */

    .home-page {
        display: flex;
        flex-direction: column;
        height: 100vh;
    }
    
    .left-home {
        width: 100%; 
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center; 
        align-items: center;
    }
    
    .right-home { 
        width: 100%; 
        height: 40vh;
        order: -1;
    }

    .right-home img {
        max-width: 70%;
        height: auto;
        margin: 5px auto;
    }
    
    .introduction {
        margin: 5px auto;
    }
    
    .welcome-message {
        font-size: 30px;
        margin: 15px auto;
        text-align: center; 
    }
    
    .highlight {
        color: var(--accent-color);
    }
    
    .experience, .coding, .coffee {
        display: flex;
        flex-direction: row; 
        align-items: center; 
        margin-bottom: 5px; 
        width: auto; 
        justify-content: center; 
    }
    
    .numbers, .statements {
        margin-bottom: 5px; 
        padding: 5px; 
    }
    
    .numbers {
        font-weight: bold;
        margin-right: 5px; 
    }
    
    .statements {
        font-size: 15px; 
    }
    
    button {
        width: 100%; 
        max-width: 300px; 
        font-size: 14px; 
        padding: 0.8em 1em; 
        margin: 10px auto;
    }

    /* ABOUT */
    .page-title {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin: 10px;
    }

    .title {
        font-size: 20px;
    }

    .subtitle {
        font-size: 14px;
    }

    .content {
        flex-direction: column;
    }

    .left-about,
    .right-about {
        width: 100%;
    }

    .id-picture {
        height: 300px; 
        width: 100%;
        margin-top: 10px;
        background-position: center 20%;
    }

    .my-name {
        font-size: 18px;
    }

    .nickname {
        font-size: 12px;
        margin-bottom: 20px;
    }

    .right-about {
        margin-left: 0;
    }

    .info-block {
        flex-direction: column;
        align-items: center;
        padding-bottom: 10px;
    }

    .about-info {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
        margin-right: 0;
    }

    .about-details {
        width: 100%;
        text-align: center;
    }

    #about button {
        display: none;
    }

    /* EXPERIENCES */

    .timeline {
        padding: 0 5%; 
        flex-direction: column; 
    }

    .timeline .timeline-row {
        flex-direction: column; 
        column-gap: 0; 
    }

    .timeline-row .timeline-column {
        flex: 1 1 100%; 
        margin-bottom: 20px; 
    }

    .timeline-column .timeline-box {
        padding-left: 15px; 
        border-left: 2px solid var(--text-color); 
    }

    .timeline-box .timeline-content::before {
        top: 20px; 
        left: -22px; 
        width: 12px; 
        height: 12px; 
    }

    .nu-shs-logo, .nu-logo {
        height: 100px; 
        width: 100px; 
        margin-right: 5px; 
    }

    .text-area h3 {
        font-size: 1.1rem; 
    }

    .credentials, .description {
        font-size: smaller;
        padding-left: 20px; 
    }

    .achievement-photo {
        width: 100%;
    }

    .timeline-box {
        margin-bottom: 30px; 
    }

    /* SKILLS */
    .skills-page {
        margin: 0 2%; 
    }

    .skills-row {
        flex-direction: column; 
        align-items: center; 
    }

    .left-skills {
        width: 70%; 
        padding: 10px; 
        order: 1; 
        display: flex;
        justify-content: center; 
    }

    .left-skills img {
        max-width: 100%; 
        height: auto; 
    }

    .skills-container {
        width: 100%; 
        padding: 5%; 
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); 
        order: 2; 
    }

    .card {
        width: 80px; 
        height: 80px; 
    }

    .card img {
        width: 40px; 
        height: 40px; 
    }

    .card p {
        font-size: 10px; 
    }

    /* CONTACTS */
    .my-socials {
        margin: 10px 0; 
        justify-content: center;
    }
    
    .social {
        gap: 10px; 
    }

    .social li {
        width: 30px; 
        height: 30px;
        line-height: 30px;
    }

    .social li i {
        font-size: 18px; 
    }
}

/* TABLET RESPONSIVE */
@media(max-width: 768px) {
    .links-container {
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: 0; 
        right: -100%;
        z-index: 10;
        width: 300px;
        height: 100%;
        background-color: var(--color-1);
        box-shadow: -5px 0 5px rgba(0, 0, 0, 0.25);
        transition: 0.75s ease-out;
    }

    nav a {
        box-sizing: border-box;
        height: auto;
        width: 100%;
        padding: 20px 30px;
        justify-content: flex-start;
    }

    .open-sidebar-button, .close-sidebar-button {
        padding: 20px;
        display: block;
    }

    #sidebar-active:checked ~ .links-container {
        right: 0;
    }

    #sidebar-active:checked ~ .home-section {
        filter: blur(5px); 
    }

    #sidebar-active:checked ~ #overlay {
        height: 100%;
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9;
        background-color: rgba(0, 0, 0, 0.5); 
    }

    .left-home {
        width: 100%;
    }

    .page {
        margin: 0;
        padding: 5%;
        flex-direction: column; 
        text-align: center;
    }

    /* HOME */

    .home-page {
        display: flex;
        flex-direction: column;
        height: 100vh;
    }
    
    .left-home {
        width: 100%; 
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center; 
        align-items: center;
    }
    
    .right-home { 
        width: 100%; 
        height: 40vh;
        order: -1;
    }

    .right-home img {
        max-width: 60%;
        height: auto;
        margin: 5px auto;
    }
    
    .introduction {
        margin: 5px auto;
    }
    
    .welcome-message {
        font-size: 35px;
        margin: 15px auto;
        text-align: center; 
    }
    
    .highlight {
        color: var(--accent-color);
    }
    
    .experience, .coding, .coffee {
        display: flex;
        flex-direction: row; 
        align-items: center; 
        margin-bottom: 5px; 
        width: auto; 
        justify-content: center; 
    }
    
    .numbers, .statements {
        margin-bottom: 5px; 
        padding: 5px; 
    }
    
    .numbers {
        font-weight: bold;
        margin-right: 5px; 
    }
    
    .statements {
        font-size: 15px; 
    }
    
    button {
        width: 100%; 
        max-width: 300px; 
        font-size: 14px; 
        padding: 0.8em 1em; 
        margin: 10px auto;
    }

    /* ABOUT */
    .page-title {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin: 10px;
    }

    .title {
        font-size: 20px;
    }

    .subtitle {
        font-size: 14px;
    }

    .content {
        flex-direction: column;
    }

    .left-about,
    .right-about {
        width: 100%;
    }

    .id-picture {
        height: 400px; 
        width: 100%;
        margin-top: 10px;
        background-position: center 15%;
    }

    .my-name {
        font-size: 20px;
    }

    .nickname {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .right-about {
        margin-left: 0;
    }

    .info-block {
        flex-direction: column;
        align-items: center;
        padding-bottom: 10px;
    }

    .about-info {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
        margin-right: 0;
    }

    .about-details {
        width: 100%;
        text-align: center;
    }

    #about button {
        display: none;
    }

    /* SKILLS */
    .skills-page {
        margin: 0 2%; 
    }

    .skills-row {
        flex-direction: column; 
        align-items: center; 
    }

    .left-skills {
        width: 70%; 
        padding: 10px; 
        order: 1; 
        display: flex;
        justify-content: center; 
    }

    .left-skills img {
        max-width: 60%; 
        height: auto; 
    }

    .skills-container {
        width: 100%; 
        padding: 5%; 
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); 
        order: 2; 
    }

    .card {
        width: 80px; 
        height: 80px; 
    }

    .card img {
        width: 40px; 
        height: 40px; 
    }

    .card p {
        font-size: 10px; 
    }

    /* CONTACTS */
    .my-socials {
        margin: 10px 0; 
        justify-content: center;
    }
    
    .social {
        gap: 10px; 
    }

    .social li {
        width: 30px; 
        height: 30px;
        line-height: 30px;
    }

    .social li i {
        font-size: 18px; 
    }
}