:root {
  --atlas-shell-shadow-soft: var(--shadow-soft, 0 2px 8px rgba(15,74,63,0.05));
}

* { box-sizing: border-box; margin: 0; padding: 0; }
em { font-style: normal; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.top-strip {
  background: var(--green);
  color: var(--paper);
  padding: 11px 24px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.005em;
}

.top-strip a {
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
  margin-left: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 1px;
}

.top-strip .arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform 0.18s;
}

.top-strip a:hover .arrow { transform: translateX(3px); }

.nav-wrap {
  display: flex;
  justify-content: center;
  padding: 16px 24px 0;
}

.atlas-nav {
  background: var(--paper-card);
  border: 1px solid var(--paper-edge);
  border-radius: 999px;
  box-shadow: var(--atlas-shell-shadow-soft);
  display: flex;
  align-items: center;
  gap: 24px;
  height: 60px;
  max-width: 1100px;
  padding: 8px 8px 8px 22px;
  width: 100%;
}

.nav-wordmark {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.45rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.nav-wordmark svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  transition: background 0.15s;
}

.nav-links a:hover { background: var(--paper-warm); }

.nav-links a.active,
.mobile-nav a.active {
  background: var(--paper-warm);
  color: var(--ink);
  font-weight: 600;
}

.nav-cta {
  background: var(--amber);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 18px;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--amber-deep);
  transform: translateY(-1px);
}

.nav-cta-outline {
  background: transparent;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.nav-cta-outline:hover {
  background: var(--ink);
  color: var(--paper);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 12px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.22s;
}

.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  background: var(--paper-card);
  margin: 8px 24px 0;
  border-radius: 24px;
  padding: 14px;
  border: 1px solid var(--paper-edge);
}

.mobile-nav.open { display: block; }

.mobile-nav a {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: 12px;
}

.mobile-nav a:hover { background: var(--paper-warm); color: var(--ink); }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .nav-cta { display: none; }
  .nav-cta-outline { display: none; }
  .atlas-nav { height: 56px; padding: 6px 14px 6px 18px; }
}

@media (max-width: 640px) {
  .top-strip { padding: 10px 16px; font-size: 12px; }
  .top-strip a { display: block; margin: 4px 0 0; border-bottom: none; }
}