:root{
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --soft: #f8fafc;
}

/* Base */
body { background: var(--bg); color: var(--text); }
.navbar { background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-link { color: var(--muted); }
.nav-link:hover, .nav-link:focus { color: var(--text); }

/* HERO (plain white) */
.hero {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  padding: 3rem 0;
  text-align: center;
}

.brand-logo {
  display: block;
  max-width: 100%;
  height: auto;
  width: auto;
  margin: 0 auto;
}

/* SECTION SPACING + SEPARATION */
.section { padding: 5.25rem 0; position: relative; }
.section-title { letter-spacing: .02em; }
.section-lead { color: var(--muted); max-width: 72ch; }

/* Alternating section background */
.section-soft { background: var(--soft); }

/* Shadow band separators (top/bottom) */
.section + .section::before,
.section + .section::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 16px;
  pointer-events: none;
}

.section + .section::before{
  top: -16px;
  background: linear-gradient(to bottom, rgba(2,6,23,0.10), rgba(2,6,23,0));
}

.section + .section::after{
  top: 0;
  background: linear-gradient(to bottom, rgba(2,6,23,0.06), rgba(2,6,23,0));
}

/* Cards / UI */
.card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(2,6,23,.06);
}

.icon-pill {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 1.25rem;
  flex: 0 0 auto;
}

.soft-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem;
}

footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

/* Better anchor scroll when using sticky navbar */
section { scroll-margin-top: 90px; }