/* Custom Quarto site design for Robert Fithen, PhD */
:root {
  --rf-navy: #0f172a;
  --rf-blue: #2563eb;
  --rf-sky: #38bdf8;
  --rf-teal: #14b8a6;
  --rf-green: #22c55e;
  --rf-ink: #0f172a;
  --rf-muted: #475569;
  --rf-soft: #f8fafc;
  --rf-line: rgba(15, 23, 42, .11);
  --rf-card: rgba(255, 255, 255, .84);
}

body {
  color: var(--rf-ink);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, .18), transparent 32rem),
    radial-gradient(circle at 90% 12%, rgba(34, 197, 94, .13), transparent 27rem),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 55%, #ffffff 100%);
}

.navbar {
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 35px rgba(15, 23, 42, .08);
}

.navbar-brand, .navbar-nav .nav-link {
  letter-spacing: .01em;
}

#title-block-header { display: none; }

main.content {
  max-width: 1180px;
}

.hero {
  margin: 2.5rem 0 2rem;
  padding: clamp(2rem, 5vw, 5rem);
  border: 1px solid var(--rf-line);
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(240,249,255,.86));
  box-shadow: 0 28px 90px rgba(15, 23, 42, .12);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -8rem -11rem auto;
  width: 25rem;
  height: 25rem;
  background: radial-gradient(circle, rgba(37, 99, 235, .16), transparent 70%);
}

.eyebrow {
  color: var(--rf-blue);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 800;
  font-size: .78rem;
  margin-bottom: .65rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.9rem);
  line-height: .94;
  letter-spacing: -.06em;
  margin: 0 0 1.1rem;
  color: #08111f;
}

.hero h1 .accent {
  background: linear-gradient(90deg, var(--rf-blue), var(--rf-teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  color: var(--rf-muted);
  max-width: 64ch;
}

.hero-visual img {
  width: 100%;
  max-width: 420px;
  border-radius: 28px;
  display: block;
  margin-inline: auto;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .18);
}

.button-row {
  margin-top: 1.7rem;
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
}

.rf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border-radius: 999px;
  padding: .82rem 1.15rem;
  text-decoration: none !important;
  font-weight: 800;
  border: 1px solid rgba(37, 99, 235, .22);
}

.rf-button.primary {
  color: white;
  background: linear-gradient(90deg, var(--rf-blue), #0ea5e9);
  box-shadow: 0 12px 28px rgba(37,99,235,.26);
}

.rf-button.secondary {
  color: var(--rf-navy);
  background: rgba(255,255,255,.8);
}

.metric-grid, .card-grid, .expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.25rem;
}

.metric, .rf-card, .expertise-card, .callout-panel {
  background: var(--rf-card);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.2rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .07);
}

.metric strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1;
  color: var(--rf-blue);
  letter-spacing: -.045em;
}

.metric span, .muted { color: var(--rf-muted); }

.section-kicker {
  margin-top: 3rem;
  color: var(--rf-blue);
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .16em;
}

h2 {
  letter-spacing: -.035em;
  font-weight: 850;
  margin-top: .5rem;
}

h3 { font-weight: 800; }

.expertise-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.expertise-card h3 { margin-top: 0; color: #0f172a; }
.expertise-card p { color: var(--rf-muted); margin-bottom: 0; }

.timeline {
  position: relative;
  margin: 2rem 0;
  padding-left: 1.25rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: .35rem;
  top: .4rem;
  bottom: .4rem;
  width: 3px;
  background: linear-gradient(var(--rf-sky), var(--rf-teal));
  border-radius: 99px;
}
.timeline-item {
  position: relative;
  padding: 0 0 1.6rem 1.6rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -.15rem;
  top: .25rem;
  width: .9rem;
  height: .9rem;
  border-radius: 999px;
  background: #fff;
  border: 4px solid var(--rf-blue);
}
.timeline-date {
  color: var(--rf-blue);
  font-weight: 900;
  font-size: .92rem;
}
.timeline-title { font-weight: 850; font-size: 1.12rem; }
.timeline-desc { color: var(--rf-muted); }

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1rem 0 2rem;
}
.pill {
  display: inline-block;
  padding: .45rem .7rem;
  border-radius: 999px;
  background: rgba(37,99,235,.08);
  color: #1e3a8a;
  border: 1px solid rgba(37,99,235,.13);
  font-size: .92rem;
  font-weight: 700;
}

.pub-list {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
}
.pub-item {
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--rf-line);
  border-radius: 18px;
}
.pub-year { color: var(--rf-blue); font-weight: 900; }
.pub-title { font-weight: 800; }
.pub-venue { color: var(--rf-muted); }

.course-columns {
  columns: 2 330px;
  column-gap: 2rem;
}
.course-columns li { break-inside: avoid; margin-bottom: .35rem; }

.footer-note {
  border-top: 1px solid var(--rf-line);
  margin-top: 4rem;
  padding-top: 1.5rem;
  color: var(--rf-muted);
  font-size: .94rem;
}

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; }
  .metric-grid, .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .expertise-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .metric-grid, .card-grid { grid-template-columns: 1fr; }
  .hero { border-radius: 22px; }
}


/* Active research and finance-pivot additions */
.research-hero {
  margin: 2.5rem 0 2rem;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--rf-line);
  border-radius: 32px;
  background:
    radial-gradient(circle at 85% 20%, rgba(20, 184, 166, .18), transparent 22rem),
    linear-gradient(135deg, rgba(255,255,255,.94), rgba(239,246,255,.90));
  box-shadow: 0 28px 90px rgba(15, 23, 42, .12);
}
.research-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.055em;
  margin: 0 0 1.1rem;
}
.role-banner {
  margin: 1.35rem 0 2.15rem;
  padding: 1.15rem 1.35rem;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(219, 234, 254, .96), rgba(254, 243, 199, .88));
  border: 1px solid rgba(37, 99, 235, .34);
  border-left: 7px solid #f59e0b;
  color: #102a43;
  font-size: 1.05rem;
  line-height: 1.62;
  box-shadow:
    0 10px 28px rgba(15, 23, 42, .10),
    inset 0 1px 0 rgba(255, 255, 255, .82);
}

.role-banner strong {
  color: #1d4ed8;
  font-weight: 850;
}
.research-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.25rem;
}
.research-card {
  background: var(--rf-card);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.2rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .07);
  position: relative;
  overflow: hidden;
}
.research-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--rf-blue), var(--rf-teal));
}
.research-card h3 { margin-top: .3rem; }
.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.25rem;
}
.split-copy {
  background: rgba(255,255,255,.86);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.25rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .06);
}
.pipeline-image {
  width: 100%;
  border-radius: 26px;
  border: 1px solid var(--rf-line);
  box-shadow: 0 18px 50px rgba(15, 23, 42, .10);
  margin: 1.25rem 0;
}
.question-list {
  background: rgba(255,255,255,.86);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .06);
}
@media (max-width: 920px) {
  .research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-panel { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .research-grid { grid-template-columns: 1fr; }
}


/* Corporate experience page additions */
.corp-hero {
  margin: 2.5rem 0 2rem;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--rf-line);
  border-radius: 32px;
  background:
    radial-gradient(circle at 88% 18%, rgba(34, 197, 94, .20), transparent 22rem),
    radial-gradient(circle at 12% 78%, rgba(37, 99, 235, .13), transparent 22rem),
    linear-gradient(135deg, rgba(255,255,255,.95), rgba(240,253,250,.90));
  box-shadow: 0 28px 90px rgba(15, 23, 42, .12);
}
.corp-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.055em;
  margin: 0 0 1.1rem;
}
.corp-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}
.corp-card {
  background: var(--rf-card);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.25rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .07);
  position: relative;
  overflow: hidden;
}
.corp-card.featured {
  background: linear-gradient(135deg, rgba(37,99,235,.09), rgba(20,184,166,.10)), rgba(255,255,255,.88);
}
.corp-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--rf-blue), var(--rf-teal), var(--rf-green));
}
.corp-card h3 { margin-top: .35rem; margin-bottom: .25rem; }
.corp-date {
  display: inline-block;
  color: #1e3a8a;
  font-weight: 900;
  font-size: .92rem;
  margin-bottom: .65rem;
}
.impact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.25rem;
}
.impact-item {
  background: rgba(255,255,255,.86);
  border: 1px solid var(--rf-line);
  border-radius: 22px;
  padding: 1.1rem;
  box-shadow: 0 12px 34px rgba(15, 23, 42, .06);
}
.impact-item strong { display: block; color: var(--rf-blue); margin-bottom: .4rem; }
.impact-item span { color: var(--rf-muted); }
@media (max-width: 920px) {
  .corp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .impact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .corp-grid, .impact-strip { grid-template-columns: 1fr; }
}

/* Expanded corporate experience details */
.corp-card.gov {
  background: linear-gradient(135deg, rgba(30,64,175,.10), rgba(14,165,233,.09)), rgba(255,255,255,.90);
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}
.detail-card {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--rf-line);
  border-radius: 24px;
  padding: 1.2rem 1.25rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .06);
}
.detail-card h3 {
  margin-top: 0;
  color: var(--rf-navy);
}
.detail-card p {
  color: var(--rf-muted);
  margin-bottom: 0;
}
.timeline-desc {
  max-width: 76rem;
}
@media (max-width: 920px) {
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .detail-grid { grid-template-columns: 1fr; }
}


/* Simple boxed disclaimer text in footer */
.footer-disclaimer-box {
  box-sizing: border-box;
  width: min(1180px, calc(100vw - 2rem));
  margin: 1.5rem auto .75rem;
  padding: .95rem 1.1rem;
  border: 1px solid rgba(29, 78, 216, .48);
  border-top-color: rgba(96, 165, 250, .70);
  border-left-color: rgba(96, 165, 250, .62);
  border-right-color: rgba(30, 64, 175, .36);
  border-bottom-color: rgba(30, 64, 175, .42);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(219, 234, 254, .98) 0%, rgba(191, 219, 254, .96) 50%, rgba(147, 197, 253, .78) 100%);
  color: #1e293b;
  font-size: .82rem;
  line-height: 1.5;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, .90),
    inset 2px 0 0 rgba(255, 255, 255, .35),
    inset 0 -2px 0 rgba(30, 64, 175, .20),
    inset -2px 0 0 rgba(30, 64, 175, .08),
    0 4px 9px rgba(15, 23, 42, .14);
  text-shadow: 0 1px 0 rgba(255, 255, 255, .68);
}

.page-columns .footer-disclaimer-box {
  grid-column: screen-start / screen-end;
  justify-self: center;
}

.footer-disclaimer-box strong {
  color: #0f172a;
}

.footer-disclaimer-box a {
  font-weight: 750;
  color: #1d4ed8;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

/* Larger navbar menu items with hover background */
.navbar-nav .nav-link {
  font-size: 1.04rem;
  font-weight: 700;
  padding: .62rem .9rem !important;
  border-radius: 999px;
  transition:
    background-color .18s ease,
    color .18s ease,
    box-shadow .18s ease,
    transform .18s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  background: rgba(37, 99, 235, .12);
  color: #1d4ed8 !important;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .18);
  transform: translateY(-1px);
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link.show {
  background: rgba(20, 184, 166, .12);
  color: #0f766e !important;
  box-shadow: inset 0 0 0 1px rgba(20, 184, 166, .20);
}

.navbar-brand {
  font-size: 1.18rem;
  font-weight: 850;
}

.navbar .navbar-nav {
  gap: .15rem;
}

/* Eye-catching NASAA CE link button */
.ce-link-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: .35rem;
  padding: .78rem 1.15rem !important;
  border-radius: 999px;
  border: 1px solid rgba(29, 78, 216, .38);
  background:
    linear-gradient(135deg, #1d4ed8 0%, #2563eb 38%, #0f766e 100%) !important;
  color: #ffffff !important;
  font-weight: 850;
  letter-spacing: .01em;
  text-decoration: none !important;
  box-shadow:
    0 10px 24px rgba(37, 99, 235, .28),
    inset 0 1px 0 rgba(255, 255, 255, .32);
  overflow: hidden;
  transform: translateY(0);
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    filter .18s ease;
}

.ce-link-button::after {
  content: " →";
  font-weight: 900;
  margin-left: .2rem;
}

.ce-link-button::before {
  content: "";
  position: absolute;
  inset: -40% -55%;
  background: linear-gradient(120deg, transparent 35%, rgba(255, 255, 255, .38) 50%, transparent 65%);
  transform: translateX(-55%) rotate(8deg);
  animation: ce-button-sheen 2.8s ease-in-out infinite;
}

.ce-link-button:hover,
.ce-link-button:focus {
  filter: saturate(1.12) brightness(1.06);
  transform: translateY(-2px) scale(1.025);
  box-shadow:
    0 14px 32px rgba(37, 99, 235, .36),
    inset 0 1px 0 rgba(255, 255, 255, .38);
}

@keyframes ce-button-sheen {
  0%, 45% {
    transform: translateX(-65%) rotate(8deg);
  }
  75%, 100% {
    transform: translateX(65%) rotate(8deg);
  }
}