/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bright);
}
.nav-links {
  display: none;
  gap: 1.25rem;
}
.nav-links button,
.mobile-menu button {
  background: none;
  border: 0;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links button:hover,
.mobile-menu button:hover,
.nav-links button.active,
.mobile-menu button.active {
  color: var(--orange);
}
.menu-btn {
  background: none;
  border: 0;
  color: var(--text);
  display: block;
}
.menu-btn:hover {
  color: var(--orange);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 1.5rem 1rem;
  border-top: 1px solid var(--border);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu button {
  text-align: left;
  padding: 0.6rem 0;
}
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .menu-btn,
  .mobile-menu,
  .mobile-menu.open {
    display: none;
  }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 1.5rem 4rem;
  text-align: center;
}
.hero-inner {
  max-width: 56rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
}
.badge-green {
  color: var(--green);
  border-color: var(--green);
}
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--bright);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}
.hero-sub {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 auto 3rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 768px) {
  .hero h1 {
    font-size: 4.5rem;
  }
  .hero-sub {
    font-size: 1.5rem;
  }
}

/* Sections */
.section {
  padding: 6rem 0;
}
.section.alt {
  background: var(--bg-alt);
}
.section-tag {
  text-align: center;
  margin-bottom: 1rem;
}
.section-tag span {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 999px;
  padding: 0.25rem 0.9rem;
}
h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--bright);
  text-align: center;
  margin-bottom: 0.75rem;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 1.125rem;
  margin-bottom: 3rem;
}
.sub-title {
  font-size: 1.5rem;
  color: var(--orange);
  font-weight: 700;
  margin: 3rem 0 1.5rem;
}
@media (min-width: 768px) {
  h2 {
    font-size: 3rem;
  }
}

/* Footer */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}
.footer h3 {
  color: var(--bright);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}
.footer p,
.footer-right {
  color: var(--muted);
  font-size: 0.875rem;
}
.footer-right {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}