:root {
  --bg: #ffffff;
  --surface: #fafafa;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #ff7a00;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  --maxw: 1100px;
  --navw: 240px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0c;
    --surface: #0f1115;
    --card: #12151b;
    --text: #f5f5f6;
    --muted: #9aa3af;
    --border: #20232a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
}

/* Layout */
.wrap {
  max-width: var(--maxw);
  margin: 32px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: var(--navw) 1fr;
  gap: 28px;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 20px;
  align-self: start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}
.sidebar h2 {
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 6px 10px 10px;
}
.navlist {
  list-style: none;
  margin: 0;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.navlist a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
}
.navlist a:hover { background: var(--surface); }
.navlist a.active {
  border-color: var(--accent);
  background: rgba(255,122,0,0.1);
  box-shadow: 0 0 0 2px rgba(255,122,0,.06) inset;
}

/* Main */
main { background: transparent; }

.logo {
  display: grid;
  place-items: center;
  margin: 8px 0 24px;
}

.logo-img {
  width: 200px;
  height: auto;
  opacity: .98;
}

.section { scroll-margin-top: 90px; margin-bottom: 26px; }
.section h3 { font-size: 20px; margin: 18px 0 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px;
}

.lead { margin-bottom: 14px; font-weight: 500; }

.spacer { height: 18px; }

/* Responsive */
@media (max-width: 1000px) {
  .wrap { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
  }
  .sidebar h2 { margin-bottom: 0; align-self: center; }
  .navlist {
    flex-direction: row;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
  }
  .navlist a { flex: 0 0 auto; }
  .logo { margin-top: 14px; }
}


/* Subheader inside cards */
.subhead { margin: 16px 0 8px; font-size: 16px; font-weight: 600; color: var(--muted); }

/* Research cards layout */
.research-grid {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

@media (min-width: 720px) {
  .research-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.research-card {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 14px 14px 12px;
}

/* Eyebrow + title + body */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 4px;
}

.research-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}

.research-body {
  font-size: 14px;
  margin: 0 0 8px;
}

/* Lists inside research cards */
.research-list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
}

.research-list li + li {
  margin-top: 4px;
}



/* Questions & Solutions grid */
.qs-grid {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

@media (min-width: 720px) {
  .qs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.qs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.qs-card h4 {
  margin: 8px 0 10px;
  font-size: 16px;
  font-weight: 600;
}

.qs-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
}

.qs-card li + li {
  margin-top: 6px;
}


.qs-icon {
  font-size: 26px;
  margin-bottom: 6px;
  color: var(--accent, #f28a45); 
}

.heroimg{
  width: 700px;
  height: auto;
  display: block;
  margin-left: 48px;
  margin-bottom: 40px;
  border-radius: 8px;
}