/* Navigation */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: padding 300ms var(--ease), background 300ms var(--ease);
}

.site-nav.scrolled {
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo img {
  height: 54px;
  width: auto;
  transition: height 300ms var(--ease);
}

.site-nav.scrolled .nav-logo img {
  height: 44px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-dim);
  transition: color 200ms var(--ease);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.nav-cta {
  display: inline-flex;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 300ms var(--ease), opacity 300ms var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease),
              background 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--accent);
  color: var(--on-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(217, 255, 63, 0.5);
}

/* Nav link hover must not override primary button text */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover,
.nav-links a.btn-primary:focus-visible {
  color: var(--on-accent);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--green-dark);
  color: var(--ink-on-dark);
}

.btn-dark:hover {
  background-color: var(--green-mid);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--green-dark);
  border: 2px solid var(--green-dark);
}

.btn-outline-dark:hover {
  background-color: var(--green-dark);
  color: var(--accent);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 12px;
}

/* Tags */
.tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--on-accent);
}

.tag-orange {
  background: var(--accent-2);
  color: var(--ink);
}

/* Cards base */
.card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 300ms var(--ease), border-color 300ms var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

/* Floating mobile CTA */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  padding: 14px 32px;
  background-color: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 8px 32px rgba(22, 45, 13, 0.2);
  transition: transform 200ms var(--ease);
}

.floating-cta:hover,
.floating-cta:focus-visible {
  color: var(--on-accent);
  background-color: var(--accent);
  transform: translateX(-50%) translateY(-2px);
}

/* Social icons */
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  transition: background 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease), transform 200ms var(--ease);
}

.social-links a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  transform: translateY(-4px);
}

.social-links svg {
  width: 18px;
  height: 18px;
}