/* ── HEADER ── */

header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  height: 68px;
  background: rgba(17, 25, 58, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900; font-size: 1.7rem;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
.logo span { color: var(--accent); }

nav { display: flex; gap: 2rem; }
nav a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  text-decoration: none; transition: color .2s;
}
nav a:hover { color: var(--accent); }

.header-actions {
  display: flex; gap: 12px; align-items: center;
}

.btn-header {
  background: var(--accent); color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.1em;
  text-transform: uppercase; border: none; cursor: pointer;
  padding: 10px 22px; border-radius: 4px;
  transition: background .2s, transform .15s;
}
.btn-header:hover { background: var(--accent2); transform: translateY(-1px); }

.btn-header-ghost {
  background: transparent; color: var(--text);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.1em;
  text-transform: uppercase; border: 1px solid var(--border); cursor: pointer;
  padding: 10px 22px; border-radius: 4px;
  transition: border-color .2s, color .2s;
}
.btn-header-ghost:hover { border-color: var(--accent); color: var(--accent); }

.cart-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.1em;
  text-transform: uppercase; cursor: pointer;
  padding: 10px 18px; border-radius: 4px;
  transition: border-color .2s, color .2s;
  position: relative;
}
.cart-btn:hover { border-color: var(--accent); color: var(--accent); }

.cart-count {
  position: absolute; top: -6px; right: -6px;
  background: var(--accent); color: white;
  font-size: 0.65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  display: none;
}
.cart-count.visible { display: flex; }

@media (max-width: 768px) {
  nav { display: none; }
}