/* Quant homepage: Quarto-friendly CSS.
   Uses Quarto fenced divs instead of raw HTML, and avoids Bootstrap .card conflicts. */

   /* Import public body font */
@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap");

/* Amplitude Book,Arial,Helvetica,sans-serif */

/* font-family: Amplitude,Arial,Helvetica,sans-serif;
  font-style: normal;
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1.33333;
  letter-spacing: .036rem;
  font-weight: 300;
  text-decoration: none;
  color: #31373d; */

/* Typography system */

:root {
  --q-navy: #0b1f33;
  --q-navy-2: #12395a;
  --q-blue: #244767;
  --q-steel: #6f8394;
  --q-accent: #b8cfe3;
  --q-line: rgba(111, 131, 148, 0.28);
  --q-card-bg: var(--bs-body-bg);
  --q-card-text: var(--bs-body-color);
  --q-muted: var(--bs-secondary-color, #6f8394);
  --font-display: "Amplitude", "Aptos Display", "Inter", "Helvetica Neue", Arial, sans-serif;
  /* --font-body: "Open Sans", "Helvetica Neue", Arial, sans-serif; */
  --font-body: "Amplitude Book", Arial, "Helvetica Neue", sans-serif;
}

.quarto-title-block {
  display: none;
}

body {
  font-feature-settings: "kern" 1;
  font-family: var(--font-body);
  /* line-height: 1.55; */
  letter-spacing: -0.01em;
  font-size: 0.9rem;
  text-align: justify;
}

#quarto-content {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.hero-block {
  background:
    radial-gradient(circle at 88% 18%, rgba(184, 207, 227, 0.22), transparent 24%),
    linear-gradient(135deg, rgba(11, 31, 51, 0.99), rgba(18, 57, 90, 0.98));
  color: white;
  border-radius: 30px;
  padding: clamp(1.2rem, 2vw, 4.4rem);
  margin: 1.1rem 0 2.7rem 0;
  box-shadow: 0 24px 62px rgba(11, 31, 51, 0.24);
}

.hero-kicker {
  text-transform: uppercase;
  /* letter-spacing: 0.17em; */
  letter-spacing: -0.035em;
  line-height: 1.08;
  font-size: 0.78rem;
  font-family: var(--font-body);
  color: var(--q-accent);
  font-weight: 400;
  margin-bottom: 1rem;
}

.hero-block h1 {
  color: white;
  max-width: 700px;
  font-size: clamp(1.4rem, 1.5vw, 3.15rem);
  font-family: var(--font-body);
  font-weight: normal;
  text-align: left;
  line-height: 1.25;
  margin: 0 0 1.2rem 0;
  letter-spacing: 0.036em;
}

.hero-block p {
  max-width: 920px;
  color: #e7eef5;
  font-size: clamp(0.7rem, 0.9vw, 1.34rem);
  font-family: var(--font-body);
  line-height: 1.62;
  margin-bottom: 1.2rem;
  letter-spacing: 0.036em;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.8rem 0 2.1rem 0;
}

.pill {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  color: #eff6fb;
  padding: 0.48rem 0.75rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-family: var(--font-body);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.hero-actions a {
  text-decoration: none;
  font-weight: 800;
  font-family: var(--font-body);
  border-radius: 999px;
  padding: 0.82rem 1.08rem;
  border: 1px solid rgba(255, 255, 255, 0.32);
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}

.hero-actions a:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.action-primary {
  background: white;
  color: var(--q-navy) !important;
}

.action-secondary {
  color: white !important;
  background: rgba(255, 255, 255, 0.07);
}

.section-title {
  margin-top: 3.2rem;
  margin-bottom: 0.85rem;
  letter-spacing: -0.035em;
  color: var(--bs-heading-color, var(--bs-body-color));
}

.section-lead {
  max-width: 1100px;
  color: var(--q-muted);
  font-size: 0.9rem;
  font-family: var(--font-body);
  line-height: 1.68;
  margin-bottom: 1.1rem;
}

.q-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.q-card {
  background: var(--q-card-bg);
  color: var(--q-card-text);
  /* border: 1px solid var(--q-line); */
  border-radius: 22px;
  padding: 1.35rem;
  box-shadow: 0 14px 34px rgba(11, 31, 51, 0.10);
}

.q-card h3 {
  margin-top: 0;
  margin-bottom: 0.55rem;
  letter-spacing: -0.025em;
  color: var(--bs-heading-color, var(--bs-body-color));
  font-size: 1rem;
  text-align: center;
}

.q-card p,
.q-card li {
  color: var(--q-muted);
  line-height: 1.62;
  font-size: 0.7rem;
  letter-spacing: 0.036em;
  /* margin-left: 2rem;
  margin-right: 2rem; */
}

.q-card ul {
  margin-bottom: 0;
  padding-left: 1.18rem;
}

.project-card {
  border-left: 5px solid var(--q-blue);
}

.project-meta {
  font-size: 0.78rem;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--q-steel);
  font-weight: 850;
  margin-bottom: 0.75rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.metric {
  border: 1px solid var(--q-line);
  border-radius: 18px;
  padding: 0.95rem;
  background: color-mix(in srgb, var(--bs-body-bg), var(--bs-body-color) 3%);
  color: var(--q-muted);
  min-height: 90px;
}

.metric strong {
  color: var(--bs-heading-color, var(--bs-body-color));
  font-size: 1.25rem;
  font-family: var(--font-body);
}

.roadmap-item {
  border-left: 3px solid var(--q-line);
  padding-left: 1rem;
  margin-bottom: 1.1rem;
  color: var(--q-muted);
}

.roadmap-item strong {
  color: var(--bs-heading-color, var(--bs-body-color));
}

.note-box {
  background: color-mix(in srgb, var(--bs-body-bg), var(--q-blue) 5%);
  border: 1px solid var(--q-line);
  border-radius: 22px;
  padding: 1.2rem 1.35rem;
  color: var(--q-muted);
  line-height: 1.68;
}

.footer-cta {
  margin-top: 3.2rem;
  background: linear-gradient(135deg, var(--q-navy), var(--q-blue));
  color: white;
  border-radius: 26px;
  padding: 2rem;
  box-shadow: 0 18px 45px rgba(11, 31, 51, 0.18);
}

.footer-cta h2 {
  color: white;
  margin-top: 0;
}

.footer-cta p {
  color: #e7eef5;
}

.footer-cta a {
  color: white;
  font-weight: 800;
  font-family: var(--font-body);
}

.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

@media (max-width: 920px) {
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8,
  .span-12 {
    grid-column: span 12;
  }

  .metric-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 560px) {
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero-block {
    border-radius: 22px;
  }
}



/* RESEARCH PAGE FORMAT */


/* =========================
   RESEARCH PAGE
========================= */

.research-hero {
  max-width: 1100px;
  margin: 2rem auto 3rem auto;
  padding: 2rem;
  border-radius: 22px;
  background: linear-gradient(135deg, #0b1f33, #244767);
  color: #ffffff;
}

.research-hero h2 {
  color: #ffffff;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.research-hero p {
  color: #dbe7f2;
  font-size: 0.9rem;
  line-height: 1.6;
}

.research-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  max-width: 1050px;
  margin: 0 auto 3rem auto;
}

.research-item {
  padding: 1.6rem 1.8rem;
  /* border: 1px solid #d8e1ea; */
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(11, 31, 51, 0.06);
}

.research-item h3 {
  margin-top: 0;
  color: #0b1f33;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.research-item p {
  color: #526679;
  line-height: 1.65;
}

.research-item strong {
  color: #244767;
}

/* Dark mode */
body.quarto-dark .research-item {
  background: #111827;
  border-color: #26384c;
  box-shadow: none;
}

body.quarto-dark .research-item h3 {
  color: #ffffff;
}

body.quarto-dark .research-item p {
  color: #d7e3ee;
}

body.quarto-dark .research-item strong {
  color: #9ec5e6;
}


/* research 2 */

/* =========================
   RESEARCH CARDS WITH COVERS
========================= */

.research-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  max-width: 1100px;
  margin: 0 auto 3rem auto;
}

.research-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.6rem;
  align-items: stretch;
  padding: 1.3rem;
  /* border: 1px solid #d8e1ea; */
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(11, 31, 51, 0.06);
}

.research-cover-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-cover {
  width: 100%;
  max-width: 210px;
  height: 285px;
  object-fit: cover;
  object-position: top center;
  border-radius: 14px;
  /* border: 1px solid #d8e1ea; */
  box-shadow: 0 10px 24px rgba(11, 31, 51, 0.12);
  background: #ffffff;
}

.research-content-col h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: #0b1f33;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.research-content-col p {
  color: #526679;
  line-height: 1.65;
  font-size: 0.7rem;
  letter-spacing: 0.036em;
}

.research-content-col strong {
  color: #244767;
}

.research-link,
.research-link-secondary {
  display: inline-block;
  margin-top: 0.4rem;
  margin-right: 0.6rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.research-link {
  background: #244767;
  color: #ffffff !important;
}

.research-link-secondary {
  background: #eef3f7;
  color: #244767 !important;
  /* border: 1px solid #d8e1ea; */
}

/* Dark mode */
body.quarto-dark .research-card {
  background: #111827;
  border-color: #26384c;
  box-shadow: none;
}

body.quarto-dark .research-content-col h3 {
  color: #ffffff;
}

body.quarto-dark .research-content-col p {
  color: #d7e3ee;
}

body.quarto-dark .research-content-col strong {
  color: #9ec5e6;
}

body.quarto-dark .research-link-secondary {
  background: #182334;
  color: #d7e3ee !important;
  border-color: #26384c;
}

@media (max-width: 768px) {
  .research-card {
    grid-template-columns: 1fr;
  }

  .research-cover {
    max-width: 190px;
    height: 250px;
  }
}



/* =========================================================
   MOBILE NAVBAR: TITLE LEFT | MENU RIGHT | SEARCH IN MENU
========================================================= */

/* Mobile navbar: title + toggle + menu */
@media (max-width: 991.98px) {

  /* Layout */
  header#quarto-header .navbar-container,
  header#quarto-header .container-fluid {
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
  }

  /* Left: site title */
  header#quarto-header .navbar-brand,
  header#quarto-header .navbar-title {
    display: inline-flex !important;
    align-items: center !important;
    margin-right: 0.7rem !important;
    color: #0b1f33 !important;
  }

  /* Middle: keep only dark-mode toggle visible */
  header#quarto-header .quarto-navbar-tools {
    display: inline-flex !important;
    align-items: center !important;
    margin-right: auto !important;
  }

  /* Hide top search icon on mobile */
  header#quarto-header .quarto-search-button,
  header#quarto-header #quarto-search,
  header#quarto-header #quarto-search-button {
    display: none !important;
  }

  /* Right: menu button */
  header#quarto-header .navbar-toggler {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
    box-shadow: none !important;
  }

  header#quarto-header .navbar-toggler::before {
    content: "MENU";
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.20em;
    color: #0b1f33;
  }

  header#quarto-header .navbar-toggler-icon {
    display: none !important;
    background-image: none !important;
  }

  header#quarto-header .navbar-toggler::after {
    content: "";
    width: 30px;
    height: 18px;
    display: inline-block;
    background:
      linear-gradient(#0b1f33, #0b1f33) 0 0 / 30px 2px no-repeat,
      linear-gradient(#0b1f33, #0b1f33) 0 8px / 20px 2px no-repeat,
      linear-gradient(#0b1f33, #0b1f33) 0 16px / 10px 2px no-repeat;
  }

  /* Dropdown menu full width */
  header#quarto-header .navbar-collapse {
    flex-basis: 100% !important;
    width: 100% !important;
    margin-top: 0.8rem !important;
    padding-top: 0.8rem !important;
    /* border-top: 1px solid rgba(11, 31, 51, 0.12); */
  }

  header#quarto-header .navbar-nav .nav-link {
    color: #0b1f33 !important;
    padding: 0.75rem 0 !important;
  }
}


/* Hide mobile-only Search item on desktop */
@media (min-width: 992px) {
  header#quarto-header .mobile-search-link {
    display: none !important;
  }

  header#quarto-header li:has(.mobile-search-link) {
    display: none !important;
  }

  header#quarto-header .navbar-container,
  header#quarto-header .container-fluid {
    max-width: 1150px !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .q-card p,
  .q-card li {
    margin-left: 1rem;
    margin-right: 1rem;
  }

  .section-lead {
  margin-left: 3.2rem;
  margin-right: 3.2rem;
}

.research-content-col p {
  margin-right: 2.5rem;
}

.q-grid {
  gap: 3rem;
  margin-top: 5rem;
  margin-bottom: 5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

header#quarto-header .navbar-title {
  display: inline-flex !important;
  align-items: center !important;
  margin-right: 0.7rem !important;
  color: #0b1f33 !important;

  font-family: var(--font-body, Arial, sans-serif) !important;
  font-size: 1.18rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  text-decoration: none !important;
  line-height: 1.1 !important;
}

}