/* Reset & base */
* {
  box-sizing: border-box;
  transition: all 0.3s ease;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f0f4f8, #d9e2ec);
  color: #222;
  margin: 0; padding: 0;
  min-height: 100vh;
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1140px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Navbar */
nav.navbar {
  background-color: #014f86;
  padding: 1rem 1.5rem;
  box-shadow: 0 3px 8px rgb(1 79 134 / 0.4);
  position: sticky;
  top: 0;
  z-index: 999;
}

nav.navbar .navbar-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: 1px;
}

nav.navbar .nav-link {
  color: #cce7ff;
  font-weight: 600;
  margin-right: 1.3rem;
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  padding: 0.25rem 0;
}

nav.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: #ffd60a;
  transition: 0.4s ease;
  transform: translateX(-50%);
}

nav.navbar .nav-link:hover,
nav.navbar .nav-link.active {
  color: #ffd60a;
}

nav.navbar .nav-link:hover::after,
nav.navbar .nav-link.active::after {
  width: 60%;
}

/* Category Menu */
.category-menu {
  background: #ffffffdd;
  border-radius: 12px;
  padding: 1.5rem 1.5rem;
  box-shadow: 0 4px 15px rgb(0 0 0 / 0.07);
  user-select: none;
}

.category-menu h5 {
  font-weight: 700;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: #014f86;
  border-bottom: 2px solid #014f86;
  padding-bottom: 0.3rem;
}

.category-menu a {
  display: block;
  font-weight: 600;
  color: #014f86;
  text-decoration: none;
  margin-bottom: 0.9rem;
  padding-left: 10px;
  border-left: 4px solid transparent;
  border-radius: 4px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.category-menu a:hover {
  color: #ffd60a;
  border-left-color: #ffd60a;
  background: #eaf4fc;
  padding-left: 14px;
  cursor: pointer;
}

/* Shop Cards */
.shop-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem 1.2rem;
  box-shadow: 0 8px 18px rgb(0 0 0 / 0.1);
  cursor: pointer;
  user-select: none;
  transform-style: preserve-3d;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.shop-card:hover {
  transform: translateY(-8px) scale(1.03) rotateX(3deg);
  box-shadow: 0 16px 30px rgb(0 0 0 / 0.15);
  background-color: #fffbe6;
}

.shop-card h5 {
  margin-bottom: 0.6rem;
  font-weight: 700;
  color: #014f86;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.shop-card h5 a {
  color: inherit;
  text-decoration: none;
}

.shop-card h5 a:hover {
  color: #ffd60a;
  text-decoration: underline;
}

.shop-card p {
  color: #444;
  font-size: 0.95rem;
  line-height: 1.3;
  margin-bottom: 0;
}

/* Footer */
footer.footer {
  background-color: #014f86;
  color: #f0f5f9;
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.9rem;
  margin-top: 4rem;
  letter-spacing: 0.03em;
  user-select: none;
  box-shadow: inset 0 1px 2px rgb(255 255 255 / 0.15);
}

/* Responsive tweaks */
@media (max-width: 991px) {
  nav.navbar .nav-link {
    margin-right: 1rem;
    font-size: 0.85rem;
  }

  .category-menu {
    padding: 1rem;
  }

  .shop-card {
    padding: 1.2rem;
  }
}

@media (max-width: 576px) {
  nav.navbar {
    padding: 0.75rem 1rem;
  }

  nav.navbar .navbar-brand {
    font-size: 1.3rem;
  }
}