/* ===== NAVIGATION ===== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(250, 249, 247, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(42, 46, 44, 0.06);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 2px 20px rgba(42, 46, 44, 0.1);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav__logo-img {
  height: 72px;
  width: auto;
  transition: transform 0.3s ease;
}

.nav__logo:hover .nav__logo-img {
  transform: scale(1.03);
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__logo-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 0.12em;
}

.nav__logo-sub {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 400;
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  letter-spacing: 0.03em;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0.9rem;
  right: 0.9rem;
  height: 2px;
  background: var(--green);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav__link:hover,
.nav__link.active {
  color: var(--green-dark);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

.nav__link--cta {
  background-color: var(--green);
  color: #fff !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(148, 178, 161, 0.35);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background-color: var(--green-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(148, 178, 161, 0.45);
}

/* Burger menu */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
  z-index: 110;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.3s ease;
}

.nav__burger:hover {
  background: var(--green-pale);
}

.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease,
              width 0.3s ease;
  transform-origin: center;
}

/* Burger animation — open state */
.nav__burger.open .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger.open .burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__burger.open .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: var(--warm-white);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  display: flex;
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav__mobile-link {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  transform: translateY(16px);
  opacity: 0;
  transition: color 0.3s ease, transform 0.4s ease, opacity 0.4s ease;
  display: block;
}

.nav__mobile.open .nav__mobile-link {
  transform: translateY(0);
  opacity: 1;
}

.nav__mobile.open .nav__mobile-link:nth-child(1) { transition-delay: 0.06s; }
.nav__mobile.open .nav__mobile-link:nth-child(2) { transition-delay: 0.12s; }
.nav__mobile.open .nav__mobile-link:nth-child(3) { transition-delay: 0.18s; }
.nav__mobile.open .nav__mobile-link:nth-child(4) { transition-delay: 0.24s; }
.nav__mobile.open .nav__mobile-link:nth-child(5) { transition-delay: 0.30s; }

.nav__mobile-link:hover {
  color: var(--green);
}

.nav__mobile-link--cta {
  color: var(--green) !important;
  font-size: 1.5rem;
}

.nav__mobile-divider {
  width: 60px;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  margin: 0.75rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: flex;
  }
}