/* Matthew Hirschey — pure HTML/CSS, no frameworks.
   Layout adapted from karpathy.ai (12-col grid, timeline, cards). */

body {
    margin: 0;
    padding: 0;
    background-color: white;
    font-family: sans-serif;
    font-size: 16px;
    line-height: 1.4;
    color: #333;
}

a { color: #116095; }
a:visited { color: #116095; }

/* Layout */
.container {
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}
@media (min-width: 992px) {
    .container { width: 970px; }
}
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
}

/* Header */
#dhead { margin-top: 20px; }
#dpic { grid-column: span 6; text-align: right; }
#ddesc { padding-top: 40px; padding-left: 20px; grid-column: span 6; }
@media (max-width: 991px) {
    #dpic { grid-column: span 12; text-align: center; }
    #ddesc { grid-column: span 12; padding-top: 20px; text-align: center; }
}
h1 {
    font-size: 34px;
    font-weight: normal;
    padding: 0;
    margin: 0;
}
h2 {
    font-weight: normal;
    font-style: italic;
    color: #999;
    font-size: 18px;
    padding: 0;
    margin: 5px 0 10px 0;
}
@media (min-width: 992px) {
    h2 { max-width: 420px; }
}
#dpic img {
    width: 240px;
    height: 240px;
    border-radius: 120px;
    object-fit: cover;
    filter: grayscale(100%);
}
#dico { margin-top: 10px; }
#dico a {
    display: inline-block;
    margin-right: 8px;
    color: #555;
    text-decoration: none;
    border-bottom: 1px solid #ccc;
    font-size: 14px;
    padding-bottom: 1px;
}
#dico a:hover { color: #116095; border-bottom-color: #116095; }

/* Horizontal rule */
hr {
    height: 1px;
    background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0));
    padding: 0;
    margin: 20px 0 20px 0;
    border: 0;
}

/* Timeline (history) */
.ico {
    grid-column: span 1;
    vertical-align: top;
    border-left: 2px solid #cfcfcf;
    position: relative;
    min-height: 40px;
}
.ico .badge {
    display: block;
    width: 56px;
    height: 56px;
    margin-left: 10px;
    border-radius: 6px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    color: #116095;
    font-weight: 600;
    font-size: 18px;
    line-height: 56px;
    text-align: center;
    letter-spacing: 0.5px;
}
.ico img {
    display: block;
    width: 70px;
    height: 70px;
    margin-left: 10px;
    object-fit: contain;
    border-radius: 5px;
    background: #fff;
}
.desc {
    grid-column: span 10;
    vertical-align: top;
    font-size: 17px;
    padding-left: 20px;
    padding-bottom: 20px;
}
.entry-dot {
    position: absolute;
    top: 0;
    left: -8px;
    width: 10px;
    height: 10px;
    border-radius: 7px;
    background-color: #cfcfcf;
    border: 2px solid white;
}
.timespan {
    grid-column: span 1;
    font-size: 14px;
    text-align: right;
    padding-right: 5px;
    color: #bbb;
}

/* Section titles */
.ctitle {
    font-size: 36px;
    margin-bottom: 20px;
    margin-top: 40px;
    font-weight: normal;
}

/* Featured talks (cards) */
#featured-talks .row {
    grid-column-gap: 10px;
    grid-row-gap: 10px;
    padding-bottom: 30px;
}
.card {
    grid-column: span 3;
    vertical-align: top;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 10px 12px;
    font-size: 14px;
}
.card .cyear { color: #116095; font-weight: 600; font-size: 15px; }
.card .cvenue { display: block; margin-top: 4px; }
.card .cloc { display: block; color: #999; font-size: 13px; margin-top: 4px; }
@media (max-width: 991px) {
    .card { grid-column: span 6; }
    #featured-talks .row { grid-column-gap: 5px; grid-row-gap: 5px; }
}

/* Pet projects */
#pet-projects .row { grid-column-gap: 10px; grid-row-gap: 10px; }
.project {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}
.pico {
    float: left;
    margin-right: 14px;
    width: 72px;
    height: 72px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid #ddd;
    color: #116095;
    font-weight: 600;
    font-size: 16px;
    line-height: 72px;
    text-align: center;
    overflow: hidden;
}
.pico img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    box-sizing: border-box;
}
.pdesc { overflow: hidden; padding-top: 4px; }
.pend { clear: both; }

/* Writing cards (blog post thumbnails) */
.writing-row {
    grid-column-gap: 14px;
    grid-row-gap: 14px;
    padding-bottom: 10px;
    margin-top: 10px;
}
.wcard {
    grid-column: span 4;
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.wcard .wthumb {
    display: block;
    border-bottom: 1px solid #eee;
    border-radius: 0;
}
.wcard .wthumb img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}
.wcard .wtitle {
    display: block;
    padding: 10px 12px 4px;
    font-weight: 600;
    font-size: 15px;
    color: #116095;
    text-decoration: none;
    line-height: 1.3;
}
.wcard .wtitle:hover { text-decoration: underline; }
.wcard .wdesc {
    padding: 0 12px 12px;
    color: #666;
    font-size: 13px;
    line-height: 1.4;
}
@media (max-width: 991px) {
    .wcard { grid-column: span 6; }
}
@media (max-width: 640px) {
    .wcard { grid-column: span 12; }
}

/* Publications */
.pub {
    font-size: 14px;
    border-left: 4px solid #aaa;
    padding: 2px 0 2px 10px;
    margin-bottom: 10px;
}
.pub-title { display: inline; color: #333; font-weight: 600; }
.pub-venue { display: inline; color: #090; }
.pub-authors { display: block; color: #333; }

/* Teaching list */
.tul { padding: 0; }
.til {
    display: block;
    padding: 6px 0;
    border-bottom: 1px solid #eee;
}
.nodot { list-style-type: none; padding-left: 0; }

/* Footer */
footer {
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    color: #999;
    font-size: 13px;
}
footer a { color: #999; }