:root {
  --cr-azul: #002b7f;
  --cr-azul-claro: #0041b8;
  --cr-rojo: #ce1126;
  --cr-rojo-claro: #e63946;
  --cr-blanco: #ffffff;
  --cr-gris: #f8f9fa;

  --gradient-cr: linear-gradient(135deg, var(--cr-azul) 0%, var(--cr-rojo) 100%);
  --shadow-md: 0 4px 6px -1px rgba(0, 43, 127, 0.15), 0 2px 4px -1px rgba(0, 43, 127, 0.1);
}

/* Fondo general (opcional, pero así se ve igual que en index) */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--cr-gris);
  color: #1a1a1a;
  margin: 0;
}

/* HEADER */
.header {
  background: var(--cr-blanco);
  border-bottom: 3px solid var(--cr-azul);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 43, 127, 0.1);
}

/* Barra de colores debajo del header (la franja que ves en el screenshot) */
.top-bar {
  height: 10px;
  background: var(--gradient-cr);
}

/* Logo CompraTica */
.logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cr-azul);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.03em;
}

.logo .flag {
  font-size: 2.5rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo .text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo .text .main {
  color: var(--cr-azul);
  font-size: 1.5rem;
}

.logo .text .sub {
  color: var(--cr-rojo);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Navegación y carrito */
.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid var(--cr-azul);
  background: var(--cr-blanco);
  color: var(--cr-azul);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  font-size: 1.125rem;
}

.btn-icon:hover {
  background: var(--cr-azul);
  color: var(--cr-blanco);
  box-shadow: 0 4px 12px rgba(0, 43, 127, 0.3);
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--cr-rojo);
  color: var(--cr-blanco);
  border-radius: 999px;
  padding: 2px 7px;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(206, 17, 38, 0.4);
}

/* =====================================================
   RESPONSIVE — Header CompraTica
   ===================================================== */

@media (max-width: 768px) {
  .header {
    padding: 0.875rem 1rem;
  }

  .logo {
    gap: 0.5rem;
    font-size: 1.4rem;
  }

  .logo .flag {
    font-size: 1.8rem;
  }

  .logo .text .main {
    font-size: 1.2rem;
  }

  .logo .text .sub {
    font-size: 0.65rem;
    letter-spacing: 0.03em;
  }

  .header-nav {
    gap: 0.5rem;
  }

  .btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 0.75rem 0.875rem;
  }

  .logo .text .sub {
    display: none;
  }

  .logo .flag {
    font-size: 1.6rem;
  }

  .logo .text .main {
    font-size: 1.1rem;
  }
}