/* --------------------
   GENERAL PAGE STYLING
-------------------- */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    background-color: #ffffff;
}


/* --------------------
   NAVIGATION BAR
-------------------- */

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 25px 8%;

    border-bottom: 1px solid #dddddd;
}

.nav-name {
    font-size: 22px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #222;
    font-size: 16px;
}

.nav-links a:hover {
    text-decoration: underline;
}


/* --------------------
   HOMEPAGE
-------------------- */

.home {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 70px;

    max-width: 1100px;

    margin: 100px auto;
    padding: 0 30px;
}

.profile-image img {
    width: 350px;
    height: 350px;

    object-fit: cover;

    border-radius: 10px;
}

.bio {
    max-width: 500px;
}

.bio h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.bio h2 {
    font-size: 24px;
    font-weight: normal;
    color: #555;
}

.bio p {
    font-size: 18px;
    line-height: 1.7;
}


/* --------------------
   MOBILE DEVICES
-------------------- */

@media (max-width: 750px) {

    .home {
        flex-direction: column;
        margin-top: 50px;
    }

    .profile-image img {
        width: 280px;
        height: 280px;
    }

    nav {
        flex-direction: column;
        gap: 20px;
    }

}

/* --------------------
   GENERAL SUBPAGES
-------------------- */

.page {
    max-width: 1100px;
    margin: 80px auto;
    padding: 0 30px;
}

.page h1 {
    font-size: 44px;
}

.page-intro {
    max-width: 700px;

    font-size: 18px;
    line-height: 1.7;

    margin-bottom: 50px;
}


/* --------------------
   PROJECT CARDS
-------------------- */

.projects-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 30px;
}

.project-card {
    border: 1px solid #dddddd;
    border-radius: 10px;

    padding: 30px;
}

.project-card h2 {
    margin-top: 0;
}

.project-card p {
    line-height: 1.6;
}

.project-card a {
    text-decoration: none;
    font-weight: bold;
}


@media (max-width: 750px) {

    .projects-grid {
        grid-template-columns: 1fr;
    }

}

/* --------------------
   RESEARCH PAGE
-------------------- */

.experience {
    margin-bottom: 60px;
}

.experience h2 {
    margin-bottom: 5px;
}

.experience h3 {
    margin-top: 0;
    color: #666;
    font-weight: normal;
}

.experience p {
    max-width: 800px;
    line-height: 1.7;
}

/* --------------------
   RESUME PAGE
-------------------- */

.resume-button {
    display: inline-block;

    margin-top: 20px;
    padding: 14px 24px;

    border: 1px solid #222;
    border-radius: 5px;

    color: #222;
    text-decoration: none;

    font-weight: bold;
}

.resume-button:hover {
    background-color: #222;
    color: white;
}

/* --------------------
   PROJECTS SUBPAGES
-------------------- */

.project-image {
    width: 100%;
    height: 250px;

    object-fit: cover;

    border-radius: 6px;

    margin-bottom: 20px;
}

/* --------------------
   PROJECT GRID
-------------------- */

.projects-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 30px;

    margin-top: 40px;
}


/* Entire clickable project card */

.project-card {
    display: block;

    border: 1px solid #dddddd;
    border-radius: 10px;

    overflow: hidden;

    text-decoration: none;
    color: #222;

    background-color: white;

    transition: transform 0.2s ease,
                box-shadow 0.2s ease;
}


/* Small movement when mouse hovers over card */

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

    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.10);
}


/* Thumbnail image */

.project-thumbnail {
    width: 100%;
    height: 220px;

    object-fit: cover;

    display: block;
}


/* Text area underneath image */

.project-card-content {
    padding: 25px;
}


.project-card-content h2 {
    margin-top: 0;
    margin-bottom: 12px;
}


.project-card-content p {
    line-height: 1.6;
    color: #555;
}


.project-link {
    display: inline-block;

    margin-top: 10px;

    font-weight: bold;
}


/* Mobile layout */

@media (max-width: 900px) {

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


@media (max-width: 650px) {

    .projects-grid {
        grid-template-columns: 1fr;
    }

}

/* --------------------
   PROJECT CASE STUDIES
-------------------- */

.case-study {
    max-width: 950px;

    margin: 80px auto;

    padding: 0 30px 100px;
}


/* Header */

.case-study-header {
    margin-bottom: 50px;
}

.project-category {
    font-size: 15px;
    text-transform: uppercase;

    letter-spacing: 1.5px;

    color: #777;

    margin-bottom: 10px;
}

.case-study-header h1 {
    font-size: 52px;

    margin-top: 0;
    margin-bottom: 20px;
}

.project-summary {
    max-width: 750px;

    font-size: 21px;
    line-height: 1.6;

    color: #555;
}


/* Large opening image */

.case-study-hero {
    width: 100%;

    max-height: 550px;

    object-fit: cover;

    border-radius: 10px;

    margin-bottom: 60px;
}


/* Individual sections */

.case-study-section {
    margin-bottom: 70px;
}

.case-study-section h2 {
    font-size: 30px;

    margin-bottom: 20px;
}

.case-study-section p,
.case-study-section li {
    font-size: 18px;
    line-height: 1.8;
}

.case-study-section ul {
    padding-left: 25px;
}


/* Two-image layout */

.case-study-images {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;

    margin-top: 30px;
}

.case-study-images img {
    width: 100%;

    height: 300px;

    object-fit: cover;

    border-radius: 8px;
}


/* Back button */

.back-to-projects {
    display: inline-block;

    margin-top: 20px;

    text-decoration: none;
    color: #222;

    font-weight: bold;
}


/* Mobile */

@media (max-width: 700px) {

    .case-study-header h1 {
        font-size: 40px;
    }

    .case-study-images {
        grid-template-columns: 1fr;
    }

}