/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(26, 37, 53, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(240, 237, 230, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.75rem;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-hero-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.825rem;
  font-weight: 400;
  color: rgba(240, 237, 230, 0.65);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--c-hero-text);
}

.nav-cta {
  background: var(--c-accent);
  color: #fff;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.825rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background var(--transition);
  white-space: nowrap;
}

.nav-cta:hover { background: var(--c-accent-hover); }

/* ---- Hamburger ---- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-hero-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile Drawer ---- */
.nav-drawer {
  display: none;
  position: fixed;
  top: 66px;
  left: 0; right: 0;
  background: var(--c-hero-bg);
  border-bottom: 1px solid rgba(240, 237, 230, 0.08);
  z-index: 199;
  padding: 0.5rem 0 1.25rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
}

.nav-drawer a {
  display: block;
  padding: 1rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--c-hero-text);
  text-decoration: none;
  transition: color var(--transition);
}

.nav-drawer a:hover { color: rgba(240, 237, 230, 0.7); }

.nav-drawer .nav-cta {
  display: inline-block;
  margin: 0.5rem 1.75rem 0;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-drawer { display: block; }

  .nav-right {
    gap: 1rem;
  }
}