@import url('colors.css');

/* The content panel reads as an application window. */
main {
    position: relative;
    padding: 3.6rem 5% 2rem 4%;
    background: var(--glass-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    color: var(--text-color-secondary);
}

/* Title bar. */
main::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    border-bottom: 1px solid var(--border-light);
    border-radius: 20px 20px 0 0;
    background: var(--glass-panel);
}

/* Three window controls drawn from one dot plus two offset shadows. */
main::after {
    content: "";
    position: absolute;
    top: 16px;
    left: 20px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--window-close);
    box-shadow: 18px 0 0 var(--window-minimise),
        36px 0 0 var(--window-zoom);
}

main h1 {
    margin-top: 0.4rem;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

li {
    font-weight: 100;
}

ul {
    margin: 0;
}

.content-container .content-list ul,
.content-container .content-list-multicolumn ul {
    padding-left: 20px;
}

.content-container .content-list li,
.content-container .content-list-multicolumn li {
    margin-bottom: 0.4rem;
}

.content-container .content-list li:last-child,
.content-container .content-list-multicolumn li:last-child {
    margin-bottom: 0;
}

/* INDEX PAGE */
.content-container {
    margin-bottom: 2rem;
}

/* Section labels: mono + accent rule, like a panel header in a dev tool. */
.content-container .content-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.75rem;
}

.content-container .content-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-light), transparent);
}

.content-container .content-list {
    font-size: 1rem;
    background: var(--glass-panel);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.9rem 1.2rem;
}


.content-container .content-list .list-title {
    font-weight: 500;
    font-size: 17px;
    color: var(--text-color-primary);
}

.content-container .content-list .list-subtitle {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    color: var(--text-color-muted);
}

/* Grades / metrics: teal marks the quantitative bits. */
.content-container .content-list .list-description {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 12px;
    color: var(--accent-secondary);
}


/* Extra breathing room between the about paragraph and "What I Do",
   without touching any other section spacing. */
body.page-about main>p {
    margin-bottom: 3.5rem;
}

/* WHAT I DO: grid of compact skill boxes */
.whatido-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}

.whatido-box {
    background: var(--glass-panel);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.65rem 0.9rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.whatido-box:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-tint);
}

.whatido-box .whatido-title {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-color-primary);
}

.whatido-box .whatido-description {
    margin-top: 0.2rem;
    font-size: 13px;
    font-weight: 300;
    color: var(--text-color-secondary);
}

/* SKILLS: pure logo grid, "tools I've used" style — evenly spaced, no labels */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2.75rem;
    padding: 1rem 0.5rem;
}

.skills-grid .skill-icon {
    font-size: 2.75rem;
    line-height: 1;
    color: var(--text-color-secondary);
    filter: grayscale(1);
    opacity: 0.75;
    transition: filter 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

.skills-grid .skill-icon:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: translateY(-3px);
}

/* Devicon glyphs that are plain outlines (no built-in brand color) should
   still read in the site's palette rather than staying flat grey. */
.skills-grid .devicon-linux-original:hover,
.skills-grid .devicon-matlab-original:hover {
    color: var(--accent-primary);
}

@media (max-width: 600px) {
    .skills-grid {
        gap: 1.75rem;
    }

    .skills-grid .skill-icon {
        font-size: 2.2rem;
    }
}

/* TIMELINE (experience + education, most recent first) */
/* A vertical rail drawn as a left border on the list, with a dot per entry. */
.content-container .content-list ul.timeline {
    list-style: none;
    padding-left: 1.35rem;
    margin-left: 5px;
    border-left: 1px solid var(--border-light);
}

.content-container .content-list .timeline-item {
    position: relative;
    margin-bottom: 1.4rem;
}

.content-container .content-list .timeline-item:last-child {
    margin-bottom: 0;
}

.content-container .content-list .timeline-item::before {
    content: "";
    position: absolute;
    top: 7px;
    left: calc(-1.35rem - 5px);
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-tint);
}

/* The newest entry gets a hollow, glowing marker as the "you are here" point. */
.content-container .content-list .timeline-item:first-child::before {
    box-sizing: border-box;
    top: 5px;
    left: calc(-1.35rem - 7px);
    width: 13px;
    height: 13px;
    background: var(--background-secondary);
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.content-container .content-list ul.timeline-details {
    list-style: disc;
    margin-top: 0.5rem;
    padding-left: 18px;
    font-size: 14px;
    font-weight: 300;
    color: var(--text-color-secondary);
}

.content-container .content-list ul.timeline-details li {
    margin-bottom: 0.3rem;
}

.content-container .content-list-multicolumn {
    display: flex;
    justify-content: flex-start;
    gap: 15px;
    flex-wrap: wrap;
}

/* The category name is a bare text node, so it is styled via the wrapper
   and the nested list resets back to body type. */
.content-container .content-list-multicolumn .list {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--accent-secondary);
    background: var(--glass-panel);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.9rem 1.2rem;
    flex: 1;
    min-width: 200px;
}

.content-container .content-list-multicolumn ul {
    text-align: left;
    margin-top: 0.6rem;
    font-family: "Ubuntu", sans-serif;
    font-size: 15px;
    letter-spacing: normal;
    text-transform: none;
    color: var(--text-color-secondary);
}

/* Skills as clips. Inline-block pills plus text justification, so the gaps
   stretch and every row (last one included) shares the same left/right edge. */
.content-container .content-list-multicolumn .clip-group {
    margin-top: 0.6rem;
    text-align: justify;
    text-align-last: justify;
    line-height: 2.1;
}

.content-container .content-list-multicolumn .clip {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--text-color-secondary);
    background: var(--glass-surface);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    padding: 0.22rem 0.7rem;
    transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.content-container .content-list-multicolumn .clip:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-tint);
}






/* PROJECTS AND CERTIFICATION PAGE */

.project-container {
    position: relative;
    background: var(--glass-panel);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.9rem 1.2rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

/* Gradient marker bar: mirrors the accent bar next to the site logo
   (see .site-header .site-logo::before in style.css). */
.project-container::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 80%;
    border-radius: 2px;
    background: var(--gradient-brand);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.project-container:hover {
    background: var(--glass-surface);
    box-shadow: 0 8px 20px var(--accent-tint);
    transform: translateY(-2px);
}

.project-container:hover::before {
    opacity: 1;
}

.project-container .project-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color-primary);
    margin-bottom: 0.35rem;
}

.project-container .project-enterprise {
    font-family: var(--font-mono);
    color: var(--text-color-muted);
    font-size: 12px;
    margin-bottom: 0.6rem;
}

.project-container .project-enterprise a {
    color: var(--accent-secondary);
    text-decoration: none;
}

.project-container .project-description {
    font-size: 15px;
    font-weight: 300;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    color: var(--text-color-secondary);
}

.project-container .project-link {
    color: var(--accent-primary);
    padding-left: 8px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.project-container .project-link i {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.project-container .project-link:hover {
    color: var(--accent-strong);
}

.separation-line-h-full {
    border: 0;
    border-radius: 10px;
    height: 1px;
    margin: 1rem 0;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}


/* ============ RESPONSIVE ============ */

/* Percentage padding collapses on small screens, so switch to fixed units. */
@media (max-width: 900px) {
    main {
        padding: 3.4rem 1.5rem 1.75rem;
    }

    .content-container {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 600px) {
    main {
        padding: 3.2rem 1.1rem 1.5rem;
    }

    main h1 {
        font-size: 23px;
    }

    /* Four flexible columns become one readable stack. */
    .content-container .content-list-multicolumn {
        flex-direction: column;
        gap: 10px;
    }

    .content-container .content-list-multicolumn .list {
        min-width: 0;
    }

    .content-container .content-list .list-title,
    .project-container .project-title {
        font-size: 16px;
    }
}