:root {
  --abu: #8d8c8c;
  --abu-dark: #3d3d3d;
  --hitam: #1f1f1f;
  --putih: #ffffff;
  --jingga: #ff5537;
}

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

body {
  background-color: var(--abu);
  color: var(--putih);
}

/* HEADER */
header {
  background-color: var(--abu-dark);
  padding: 2rem 7%;
  border-bottom: 3px solid var(--jingga);
}

header h1 {
  font-size: 2.2rem;
  font-style: italic;
}

header p {
  font-size: 1rem;
  opacity: 0.9;
}

/* CONTENT */
.container {
  padding: 3rem 7%;
}

.container h2 {
  color: var(--jingga);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.container p.desc {
  max-width: 750px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* MODUL GRID */
.modul-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.modul-card {
  background-color: var(--abu-dark);
  border-radius: 0.6rem;
  padding: 2rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.modul-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background-color: var(--jingga);
}

.modul-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  font-style: italic;
}

.modul-card span {
  display: block;
  font-size: 0.85rem;
  opacity: 0.85;
  margin-bottom: 1rem;
}

.modul-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modul-card a {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  background-color: var(--jingga);
  color: #fff;
  font-size: 0.9rem;
  border-radius: 0.4rem;
  text-decoration: none;
  transition: 0.3s;
}

.modul-card a:hover {
  background-color: #ff300c;
}

.container .cta {
  margin-top: 1rem;
  display: inline-block;
  padding: 1rem 3rem;
  font-size: 1.4rem;
  color: #ffff;
  background-color: #919191;
  border-radius: 0.5rem;
  box-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
  border-bottom: none;
  text-decoration: none;
  z-index: 9999;
  position: relative;
}
.container .cta:hover {
  background-color: #ff5537;
  border-bottom: none;
}

/* FOOTER */
footer {
  margin-top: 4rem;
  background-color: var(--hitam);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.8rem;
  }
  .container {
    padding: 2rem 5%;
  }
}