/* ================================================
   nav.css — Barra de navegación v7
   Con menú hamburguesa para móvil
   ================================================ */

nav {
  background: var(--nav-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--nav-border);
  height: 64px;
  display: flex; align-items: center;
  justify-content: center;
  padding: 0 36px;
  transition: background var(--duration-md), border-color var(--duration-md);
}

/* FORZAR MODO CLARO EN NAV */
[data-theme="dark"] nav {
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .nav-logo-text .brand-main {
  color: #1A2B3C;
}

[data-theme="dark"] .nav-logo-text .brand-sub {
  color: #00A896;
}

[data-theme="dark"] .nav-links a {
  color: #6B8296;
}

[data-theme="dark"] .nav-links a:hover {
  color: #1A2B3C;
  background: rgba(26,43,60,0.06);
}

[data-theme="dark"] .nav-links a.active {
  color: #1A2B3C;
}

[data-theme="dark"] .nav-hamburger span {
  background: #1A2B3C;
}

[data-theme="dark"] .nav-mobile-menu {
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .nav-mobile-menu a {
  color: #6B8296;
}

[data-theme="dark"] .nav-mobile-menu a:hover {
  color: #1A2B3C;
  background: rgba(26,43,60,0.05);
}

[data-theme="dark"] .nav-mobile-menu a.active {
  color: #1A2B3C;
}

nav::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0,168,150,0.25) 30%,
    rgba(0,113,227,0.20) 70%,
    transparent 100%
  );
  pointer-events: none;
}

/* ── Logo ── */
.nav-logo {
  position: absolute;
  left: 36px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.nav-logo-img {
  width: 130px; 
  height: 60px; 
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(0,168,150,0.30));
  transition: filter var(--duration-md) var(--ease-out);
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 12px rgba(0,168,150,0.55));
}

.nav-logo-text { 
  display: flex; 
  flex-direction: column; 
  gap: 2px; 
}

.nav-logo-text .brand-main {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 900; 
  font-size: 13px;
  color: var(--nav-text);
  letter-spacing: -0.4px; 
  line-height: 1;
}

.nav-logo-text .brand-sub {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 9px; 
  font-weight: 600;
  color: var(--brand-cyan);
  letter-spacing: 2px; 
  text-transform: uppercase; 
  line-height: 1;
}

/* ── Links desktop ── */
.nav-links { display: flex; gap: 2px; align-items: center; }
.nav-links a {
  text-decoration: none;
  color: var(--nav-text-soft);
  font-size: 14px; font-weight: 500; cursor: pointer;
  padding: 6px 14px; border-radius: 8px;
  transition: color var(--duration), background var(--duration);
  position: relative; white-space: nowrap;
}
.nav-links a:hover {
  color: var(--nav-text);
  background: rgba(26,43,60,0.06);
}
[data-theme="dark"] .nav-links a:hover { background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--nav-text); font-weight: 600; }
.nav-links a.active::after {
  content: '';
  position: absolute; bottom: -2px; left: 14px; right: 14px;
  height: 2px; background: var(--brand-cyan); border-radius: 99px;
}

/* ── CTA ── */
.nav-cta {
  background: #0071E3; color: #fff;
  border: 1px solid transparent;
  padding: 8px 18px; border-radius: 980px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 400;
  letter-spacing: -0.224px; cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease;
  white-space: nowrap; -webkit-font-smoothing: antialiased;
}
.nav-cta:hover { background: #0077ED; }
.nav-cta:active { opacity: 0.75; }
[data-theme="dark"] .nav-cta { background: #0A84FF; }
[data-theme="dark"] .nav-cta:hover { background: #248AFF; }

/* ── Carrito ── */
.cart-btn-wrap { position: relative; flex-shrink: 0; }
.cart-float-btn {
  background: rgba(26,43,60,0.07);
  border: 1px solid rgba(26,43,60,0.15);
  border-radius: 980px; padding: 7px 14px;
  font-size: 15px; display: flex; align-items: center; gap: 5px;
  cursor: pointer; color: var(--text-mid);
  transition: background 0.2s ease; position: relative;
}
.cart-float-btn:hover { background: rgba(26,43,60,0.12); }
[data-theme="dark"] .cart-float-btn {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.88);
}
[data-theme="dark"] .cart-float-btn:hover { background: rgba(255,255,255,0.16); }
.cart-badge {
  position: absolute; top: -6px; right: -6px;
  background: #EF4444; color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 10px; font-weight: 800;
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--nav-bg);
  animation: bounceIn 0.3s var(--ease-out);
  pointer-events: none;
}

/* ── Hamburguesa ── */
.nav-hamburger {
  display: none;
  flex-direction: column; 
  justify-content: center; 
  align-items: center;
  gap: 5px; 
  width: 40px; 
  height: 40px;
  background: none; 
  border: none; 
  cursor: pointer;
  border-radius: 8px; 
  padding: 8px;
  transition: background 0.2s ease;
  flex-shrink: 0;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}
.nav-hamburger:hover { background: rgba(26,43,60,0.06); }
[data-theme="dark"] .nav-hamburger:hover { background: rgba(255,255,255,0.08); }
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--nav-text);
  border-radius: 99px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburguesa animada cuando está abierto */
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Menú móvil ── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  padding: 16px 20px 24px;
  flex-direction: column; gap: 4px;
  z-index: 99;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  animation: slideDown 0.25s var(--ease-out);
}
.nav-mobile-menu.open { display: flex; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-mobile-menu a {
  text-decoration: none;
  color: var(--nav-text-soft);
  font-size: 16px; font-weight: 500;
  padding: 13px 16px; border-radius: 10px;
  transition: color var(--duration), background var(--duration);
  display: flex; align-items: center; gap: 10px;
}
.nav-mobile-menu a .material-icons {
  font-size: 20px;
  vertical-align: middle;
}
.nav-mobile-cta .material-icons {
  font-size: 18px;
  vertical-align: middle;
  margin-left: 6px;
}
.nav-mobile-menu a:hover {
  color: var(--nav-text);
  background: rgba(26,43,60,0.05);
}
[data-theme="dark"] .nav-mobile-menu a:hover { background: rgba(255,255,255,0.06); }
.nav-mobile-menu a.active {
  color: var(--nav-text); font-weight: 700;
  background: rgba(0,168,150,0.08);
}
.nav-mobile-cta {
  margin-top: 12px;
  background: #0071E3; color: #fff;
  border: none; border-radius: 980px;
  padding: 14px 22px; font-size: 15px; font-weight: 400;
  font-family: 'DM Sans', sans-serif; cursor: pointer;
  letter-spacing: -0.224px; -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease;
  width: 100%; text-align: center;
}
.nav-mobile-cta:hover { background: #0077ED; }
[data-theme="dark"] .nav-mobile-cta { background: #0A84FF; }

/* Overlay oscuro detrás del menú */
.nav-overlay {
  display: none;
  position: fixed; inset: 0; top: 64px;
  background: rgba(0,0,0,0.25);
  z-index: 98;
}
.nav-overlay.open { display: block; }

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 0 16px; }
  .nav-links  { display: none; }
  .nav-cta    { display: none; }
  .nav-logo-text .brand-main {
    font-size: 11px;
  }
  .nav-logo-text .brand-sub { 
    font-size: 7px;
    letter-spacing: 1.5px;
  }
  .nav-hamburger { 
    display: flex;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
  }
  .nav-logo-img {
    width: 60px;
    height: 80px;
  }
}