/* Hooria Muthar — academic personal site */
:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --paper: #ffffff;
  --bg: #f8fafc;
  --bg-tint: #f0f7f6;
  --brand: #0d6e6e;
  --brand-dark: #0a5252;
  --brand-soft: #d8efef;
  --accent: #b45309;
  --accent-soft: #fef3c7;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --max: 1080px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0;
}
.logo {
  font-weight: 700; color: var(--ink); text-decoration: none;
  letter-spacing: -0.02em; font-size: 1.05rem;
}
.logo span { color: var(--brand); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: var(--paper);
  border-radius: 10px; padding: 0.45rem 0.7rem; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--ink);
  margin: 4px 0; border-radius: 2px;
}
.nav-list {
  display: flex; flex-wrap: wrap; gap: 0.15rem 1rem;
  list-style: none; margin: 0; padding: 0; align-items: center;
}
.nav-list a {
  color: var(--ink-soft); text-decoration: none; font-size: 0.92rem; font-weight: 500;
}
.nav-list a:hover, .nav-list a.active { color: var(--brand); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 0.35rem;
  background: var(--brand); color: #fff !important;
  padding: 0.45rem 0.85rem; border-radius: 999px; text-decoration: none !important;
  font-size: 0.88rem;
}
.nav-cta:hover { background: var(--brand-dark); color: #fff !important; }

/* Hero */
.hero {
  background:
    radial-gradient(1200px 400px at 10% -20%, #c7ebea 0%, transparent 55%),
    radial-gradient(900px 360px at 90% 0%, #fde68a55 0%, transparent 50%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid; gap: 2rem; align-items: center;
  grid-template-columns: 1.4fr 0.9fr;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: var(--brand-soft); color: var(--brand-dark);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 0.35rem 0.75rem; border-radius: 999px;
  margin-bottom: 1rem;
}
.hero h1 {
  margin: 0 0 0.75rem; font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15; letter-spacing: -0.03em;
}
.hero .lede {
  margin: 0 0 1.4rem; color: var(--ink-soft); font-size: 1.08rem; max-width: 38rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.25rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.15rem; border-radius: 999px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent; font-size: 0.95rem;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.meta-row {
  display: flex; flex-wrap: wrap; gap: 0.65rem 1.25rem;
  color: var(--muted); font-size: 0.92rem;
}
.meta-row strong { color: var(--ink-soft); font-weight: 600; }
.hero-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px); box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem;
}
.hero-card h2 {
  margin: 0 0 0.85rem; font-size: 1rem; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--muted);
}
.stat-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.85rem; }
.stat-list li {
  display: grid; gap: 0.15rem; padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.stat-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.stat-list .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-list .value { font-weight: 650; color: var(--ink); }

/* Sections (profile pages only — resume has its own denser rules) */
main > section { padding: 3.25rem 0; }
section.alt { padding: 3.25rem 0; }
section.alt { background: var(--bg-tint); border-block: 1px solid var(--line); }
.section-head { margin-bottom: 1.6rem; max-width: 40rem; }
.section-head h2 {
  margin: 0 0 0.45rem; font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--ink-soft); }
.kicker {
  display: block; color: var(--brand); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.4rem;
}

.card-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem 1.3rem; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.08rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }
.card .tag {
  display: inline-block; margin-bottom: 0.65rem;
  background: var(--accent-soft); color: var(--accent);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 0.25rem 0.55rem; border-radius: 999px;
}

.timeline { display: grid; gap: 1rem; }
.timeline-item {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem 1.35rem;
  display: grid; gap: 0.35rem; box-shadow: var(--shadow);
}
.timeline-item .when {
  color: var(--brand); font-weight: 700; font-size: 0.86rem;
}
.timeline-item h3 { margin: 0; font-size: 1.1rem; }
.timeline-item .place { color: var(--muted); font-size: 0.92rem; }
.timeline-item ul { margin: 0.55rem 0 0; padding-left: 1.15rem; color: var(--ink-soft); }
.timeline-item li + li { margin-top: 0.25rem; }

.pill-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.pill-list li {
  background: #fff; border: 1px solid var(--line); color: var(--ink-soft);
  padding: 0.4rem 0.75rem; border-radius: 999px; font-size: 0.9rem; font-weight: 500;
}

.pub {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.2rem 1.3rem; margin-bottom: 0.85rem;
  box-shadow: var(--shadow);
}
.pub h3 { margin: 0 0 0.35rem; font-size: 1.02rem; line-height: 1.4; }
.pub .cite { margin: 0; color: var(--ink-soft); font-size: 0.93rem; }
.pub .badge {
  display: inline-block; margin-top: 0.65rem;
  background: var(--brand-soft); color: var(--brand-dark);
  font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.55rem; border-radius: 999px;
}

.two-col {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-panel {
  background: linear-gradient(145deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: calc(var(--radius) + 6px);
  padding: 1.75rem 1.6rem; box-shadow: var(--shadow);
}
.contact-panel h2 { margin: 0 0 0.5rem; color: #fff; }
.contact-panel p { margin: 0 0 1.1rem; color: #e6f5f5; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.contact-list a { color: #fff; font-weight: 600; }
.contact-list span { opacity: 0.85; margin-right: 0.4rem; font-weight: 500; }

.site-footer {
  border-top: 1px solid var(--line); background: #fff;
  padding: 1.5rem 0 2rem; color: var(--muted); font-size: 0.9rem;
}
.footer-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem;
  justify-content: space-between; align-items: center;
}
.footer-row a { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.footer-row a:hover { color: var(--brand); }

.teaching-feature {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1.2fr 0.8fr; align-items: stretch;
}
.teaching-feature .card { height: 100%; }
.course-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem;
  margin: 1rem 0 0; list-style: none; padding: 0;
}
.course-meta li {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 0.65rem 0.75rem;
}
.course-meta .label { display: block; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.course-meta .value { font-weight: 650; font-size: 0.92rem; }

/* Resume page */
.resume-page { background: #eef2f6; }
.resume-toolbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.95); border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.resume-toolbar .inner {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: space-between; align-items: center; padding: 0.85rem 0;
}
.resume-sheet {
  width: min(100% - 2rem, 820px); margin: 1.5rem auto 2.5rem;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: 2rem 2.1rem;
}
.resume-sheet header {
  border-bottom: 2px solid var(--brand); padding-bottom: 1rem; margin-bottom: 1.25rem;
}
.resume-sheet h1 {
  margin: 0 0 0.35rem; font-size: 1.85rem; letter-spacing: -0.02em;
}
.resume-contact {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1rem;
  color: var(--ink-soft); font-size: 0.92rem; margin: 0;
}
.resume-sheet section {
  padding: 0 !important;
  margin: 0 0 0.85rem;
  background: transparent !important;
  border: 0 !important;
}
.resume-sheet section:last-child { margin-bottom: 0; }
.resume-sheet h2 {
  margin: 0 0 0.35rem; font-size: 0.82rem; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--brand-dark);
  border-bottom: 1px solid var(--line); padding-bottom: 0.2rem;
  font-weight: 700;
}
.resume-sheet h3 { margin: 0.45rem 0 0.1rem; font-size: 0.95rem; color: var(--ink); }
.resume-sheet .sub { margin: 0; color: var(--muted); font-size: 0.86rem; }
.resume-sheet p, .resume-sheet li { color: var(--ink); font-size: 0.9rem; line-height: 1.45; }
.resume-sheet ul { margin: 0.25rem 0 0; padding-left: 1.05rem; }
.resume-sheet li + li { margin-top: 0.12rem; }
.resume-summary { margin: 0.25rem 0 0; }
.resume-sheet header {
  border-bottom: 1.5px solid var(--ink); padding-bottom: 0.55rem; margin-bottom: 0.85rem;
}
.resume-sheet h1 {
  margin: 0 0 0.25rem; font-size: 1.55rem; letter-spacing: -0.02em;
  font-family: "Times New Roman", Times, Georgia, serif;
}
.resume-contact { font-size: 0.86rem; gap: 0.25rem 0.85rem; }
@media print {
  .resume-sheet section { padding: 0 !important; margin: 0 0 0.55rem !important; }
  .resume-sheet { font-family: "Times New Roman", Times, Georgia, serif; }
  .resume-sheet h2 { color: #000; border-bottom-color: #000; }
}

@media (max-width: 860px) {
  .hero-grid, .teaching-feature { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .nav-list {
    display: none; width: 100%; flex-direction: column; align-items: flex-start;
    gap: 0.55rem; padding: 0.75rem 0 0.25rem;
  }
  .nav-list.open { display: flex; }
  .nav-wrap { flex-wrap: wrap; }
}

@media print {
  body { background: #fff; }
  .site-header, .site-footer, .resume-toolbar, .nav-toggle, .hero-actions .btn-ghost { display: none !important; }
  .hero { background: none; border: 0; padding: 1rem 0; }
  section, section.alt { background: #fff; border: 0; padding: 1rem 0; box-shadow: none; }
  .card, .timeline-item, .pub, .hero-card { box-shadow: none; break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
  .resume-sheet {
    width: 100%; margin: 0; border: 0; border-radius: 0; box-shadow: none; padding: 0;
  }
  .resume-page { background: #fff; }
}