:root {
  --bg: #f7f4ec;
  --surface: #ffffff;
  --primary: #3c6e71;
  --primary-dark: #274b4d;
  --accent: #c5863a;
  --text: #23323b;
  --muted: #5d6c75;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #fdfbf6 0%, var(--bg) 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 4.5rem 5vw 3rem;
  background: radial-gradient(circle at top left, rgba(197, 134, 58, 0.2), transparent 30%),
    linear-gradient(120deg, #ffffff 0%, #f5efe4 100%);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1rem;
}

.hero__content p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 40rem;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
}

.hero__image,
.section__image {
  border-radius: 1.5rem;
  box-shadow: 0 18px 40px rgba(35, 50, 59, 0.12);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  padding: 0 5vw 2.5rem;
}

.card,
.course-card,
.cta {
  background: var(--surface);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 14px 35px rgba(35, 50, 59, 0.08);
}

.section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 5vw;
}

.section--alt {
  background: rgba(255, 255, 255, 0.6);
  margin: 0 1.25rem;
  border-radius: 1.5rem;
}

.section__text p {
  color: var(--muted);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.course-card h3 {
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.cta {
  margin: 1.25rem 5vw 2.5rem;
  text-align: center;
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 42rem;
  margin: 0 auto;
}

footer {
  padding: 0 5vw 2rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 860px) {
  .hero,
  .section,
  .highlights {
    grid-template-columns: 1fr;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .section--alt {
    margin: 0 1rem;
  }
}