* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #f8fafc;
  color: #1e293b;
}

/* NAVBAR */
.nav {
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo {
  font-weight: bold;
}

.menu a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
}

/* HERO */
.hero {
  text-align: center;
  padding: 40px 20px;
}

.hero input {
  margin-top: 15px;
  padding: 12px;
  width: 300px;
  max-width: 90%;
  border-radius: 8px;
  border: 1px solid #ddd;
}

/* CONTAINER */
.container {
  width: 95%;
  max-width: 1300px;
  margin: auto;
}

/* CATEGORY */
.category {
  margin-top: 40px;
}

.category h2 {
  border-left: 4px solid #2563eb;
  padding-left: 10px;
  margin-bottom: 15px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

/* CARD */
.card {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 15px;
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
  display: block;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #2563eb;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.icon {
  font-size: 26px;
  transition: 0.3s;
}

.card:hover .icon {
  transform: scale(1.3);
}

.title {
  margin-top: 8px;
  font-weight: 600;
}

.desc {
  font-size: 13px;
  color: #64748b;
}

/* FOOTER */
.footer {
  margin-top: 50px;
  text-align: center;
  padding: 20px;
  background: white;
}

/* RESPONSIVE */
@media(max-width: 600px) {
  .nav {
    flex-direction: column;
    align-items: center;
  }

  .menu {
    margin-top: 10px;
  }
}


.ad {
  margin: 20px auto;
  text-align: center;
  padding: 15px;
  border: 1px dashed #ccc;
  background: #fff;
  color: #888;
}





/* DARK MODE */
.dark {
  background: #0f172a;
  color: #e2e8f0;
}

/* Navbar */
.dark .nav {
  background: #1e293b;
}

/* Card */
.dark .card {
  background: #1e293b;
  border-color: #334155;
}

/* Footer */
.dark .footer {
  background: #1e293b;
}

/* Input */
.dark input {
  background: #1e293b;
  color: #fff;
  border: 1px solid #334155;
}

/* Category Title */
.dark h2 {
  border-color: #38bdf8;
}


:root {
  --bgcolor: #1a79cf;
}

* {
  margin: 0;
  padding: 0;
}

.page-header {
  background-color: var(--bgcolor);
  padding: 1.3rem;
  display: flex;
  justify-content: space-between;
}
.logo {
  color: white;
  align-self: center;
  margin-left: 1.2rem;
  font-size: 2.5rem;
}

.nav-bar {
  margin: auto;
}

.nav-bar a {
  color: white;
  padding: 1.5rem;
  cursor: pointer;
  text-decoration: none;
  font-size: 1.2rem;
}

.menu-icon {
  color: white;
  cursor: pointer;
  display: none;
}

button {
  font-size: 1rem;
  border: 1px solid black;
  border-radius: 5px;
  padding: 0.9rem;
}



@media screen and (max-width: 700px) {
  .nav-bar {
    display: none;
    position: absolute;
    top: 3.7rem;
    left: 0;
    width: 100%;
    background-color: var(--bgcolor);
    text-align: center;
  }

  .nav-bar.responsive {
    display: block;
  }

  .nav-bar a {
    display: block;
  }

  .menu-icon {
    display: block;
    z-index: 1;
  }

  button {
    padding: 0.4rem;
  }
  .logo {
    font-size: 1.4rem;
  }
}