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

body {
  color: #111;
  line-height: 1.6;
}

/* UTILITIES */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

.btn-primary {
  display: inline-block;
  background: #0052cc;
  color: #fff;
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary.large {
  font-size: 1.1rem;
  padding: 14px 28px;
}

.small-text {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* HEADER */
.header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
}

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

.logo {
  font-size: 1.2rem;
}

/* HERO */
.hero {
  background: #f5f7fb;
  padding: 60px 0;
}

.hero-grid {
  display: grid;
  gap: 30px;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.hero-points {
  margin: 15px 0;
}

.hero-points li {
  list-style: none;
  margin-bottom: 8px;
}

.hero-box {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.price {
  font-size: 2rem;
  font-weight: 700;
}

/* SECTIONS */
.section {
  padding: 60px 0;
}

.section.light {
  background: #fafafa;
}

.section h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

/* CARDS */
.cards {
  display: grid;
  gap: 15px;
}

.card {
  background: #fff;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid #eee;
}

/* INSTRUCTOR */
.instructor {
  display: grid;
  gap: 20px;
}

.instructor-box {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
}

/* ENROLL */
.enroll {
  background: #0052cc;
  color: #fff;
  text-align: center;
}

.enroll-box p {
  margin: 10px 0 20px;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  background: #111;
  color: #fff;
  font-size: 0.85rem;
}

/* RESPONSIVE */
@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 2fr 1fr;
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .instructor {
    grid-template-columns: 2fr 1fr;
    align-items: center;
  }
}
.accordion {
  background: #fff;
  padding: 15px 20px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid #eaeaea;
  cursor: pointer;
}

.accordion summary {
  font-weight: 600;
  cursor: pointer;
}

.accordion p {
  margin-top: 10px;
  color: #444;
}