/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s, border-color 0.3s;
}
nav.scrolled {
  background: rgba(242,237,229,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.nav-logo img {
  width: 34px; height: 34px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav-logo-name {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
}
.nav-logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid);
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--ink) !important;
  color: var(--bg) !important;
  padding: 0.55rem 1.3rem !important;
}
.nav-cta:hover { background: var(--accent) !important; color: var(--bg) !important; }

/* Hamburger Button */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 10px;
  z-index: 101;
}
.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── MOBILE ── */
@media (max-width: 900px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 0;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    border-left: 1px solid var(--border);
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links li { list-style: none; }
  .nav-links a {
    display: block;
    padding: 1rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-cta {
    margin-top: 1rem;
    text-align: center;
  }
}