/* ===========================================================
   Hossam Zaki — personal site
   Warm minimal. One stylesheet for the whole site.
   Edit the variables below to retheme everything at once.
   =========================================================== */

:root {
  --bg:        #fbf9f5;   /* warm off-white */
  --bg-soft:   #f3efe7;   /* cards, subtle panels */
  --text:      #1f1d1a;   /* near-black, warm */
  --muted:     #6b655c;   /* secondary text */
  --line:      #e4ddd1;   /* hairline borders */
  --accent:    #a8492f;   /* burnt sienna */
  --accent-dk: #893a25;
  --max:       720px;     /* content column width */
  --radius:    10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / nav ---------- */
header.site {
  padding: 38px 0 8px;
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
}
.brand {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }
nav.site-nav {
  display: flex;
  gap: 22px;
  font-size: 16px;
}
nav.site-nav a {
  color: var(--muted);
  text-decoration: none;
}
nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--accent);
}

/* ---------- Layout rhythm ---------- */
main { padding: 28px 0 80px; }

/* ---------- Hero with headshot ---------- */
.hero { display: flex; gap: 30px; align-items: flex-start; }
.hero .hero-text { flex: 1; min-width: 0; }
.headshot {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
@media (max-width: 560px) {
  .hero { flex-direction: column; gap: 18px; }
  .headshot { width: 110px; height: 110px; }
}

/* ---------- Now page photo ---------- */
.now-photo {
  width: 240px;
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
}
.signoff { margin-top: 18px; }
.signoff .name { font-weight: 600; }
.signoff .loc { color: var(--muted); font-style: italic; }

/* ---------- Awards / honors list ---------- */
.awards { list-style: none; padding: 0; margin: 0; }
.awards li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
}
.awards li:last-child { border-bottom: 0; }
.awards .yr {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
}

.lede {
  font-size: 21px;
  color: var(--text);
}

section { margin: 0 0 48px; }

h1 {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 6px;
}
h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 26px 0 4px;
}
p { margin: 0 0 16px; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dk); text-decoration: underline; }

.subtle { color: var(--muted); }
small, .small { font-size: 15px; }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

/* ---------- Eyebrow / tags ---------- */
.eyebrow {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 8px;
}
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; }
.tag {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
}

/* ---------- Cards (projects) ---------- */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 0 0 18px;
  background: #fff;
}
.card h3 { margin-top: 0; }
.card .meta {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

/* ---------- Publications ---------- */
.pub-group { margin-bottom: 30px; }
.pub {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.pub:last-child { border-bottom: 0; }
.pub .title { font-weight: 600; }
.pub .venue {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  color: var(--muted);
  margin-top: 2px;
}
.pub .links {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  margin-top: 4px;
}

/* ---------- Stat row ---------- */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  margin: 18px 0 8px;
}
.stats .n { font-size: 26px; font-weight: 700; color: var(--text); }
.stats .l { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Post list (blog) ---------- */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.post-list a.post-title { font-size: 21px; font-weight: 600; color: var(--text); }
.post-list a.post-title:hover { color: var(--accent); text-decoration: none; }
.post-list .date {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  color: var(--muted);
}
.post-list .excerpt { color: var(--muted); margin-top: 4px; }

/* ---------- Rendered markdown article ---------- */
article.post img { max-width: 100%; border-radius: var(--radius); }
article.post pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 15px;
}
article.post code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
}
article.post pre code { background: none; padding: 0; }
article.post blockquote {
  margin: 16px 0;
  padding: 4px 18px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}
.post-meta {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--line);
  padding: 26px 0 60px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  color: var(--muted);
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--accent); }
footer.site .row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  body { font-size: 18px; }
  h1 { font-size: 28px; }
  header.site { padding-top: 26px; }
  header.site .wrap { flex-direction: column; align-items: flex-start; }
}