/* =========================================
   RESET DASAR
========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: linear-gradient(160deg, #0e0e0e, #1a1a1a);
  color: #fff;
  line-height: 1.6;
  min-height: 100vh;
}

/* =========================================
   HEADER
========================================= */
.full-header {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 60px;
  margin-right: 15px;
}

.brand-text {
  font-size: 1.8rem;
  color: #111;
  font-weight: bold;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav ul li a {
  color: #111;
  font-weight: 500;
  text-decoration: none;
  transition: 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: #fff;
}

/* =========================================
   PROGRAM & KURSUS
========================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.courses h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #ffd700;
}

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

.course-card {
  background: #1a1a1a;
  border: 2px solid #ffd700;
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  transition: 0.4s;
  text-align: center;
}

.course-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1rem;
  border: 3px solid #ffd700;
}

.course-card h3 {
  margin-bottom: 0.5rem;
  color: #ffd700;
}

.course-card p {
  font-size: 0.95rem;
  color: #ccc;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

.btn-learn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 2rem;
  background: linear-gradient(135deg, #ffd700, #ff9900);
  color: #111;
  font-weight: bold;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(0,0,0,0.6);
  transition: 0.4s;
}

.btn-learn:hover {
  background: linear-gradient(135deg, #ffeb3b, #ffd700);
  transform: translateY(-5px);
}

/* =========================================
   FOOTER
========================================= */
.footer {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #111;
  padding: 2rem 1rem 1rem;
  text-align: center;
  box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 1rem;
}

.footer-left h4, .footer-left a, .footer-left p {
  color: #111;
  text-decoration: none;
  font-weight: 500;
}

.footer-socials a {
  color: #111;
  margin-right: 1rem;
  font-size: 1.5rem;
  transition: 0.3s;
}

.footer-socials a:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.9rem;
  margin-top: 1rem;
}