* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background: #f5f5f5;
  color: #111;
  min-height: 100vh;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 3px solid #111;
}

.nav a {
  color: #111;
  text-decoration: none;
}

.poster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 3px solid #111;
  border-top: 0;
  margin: 0;
}

.cell {
  border-right: 3px solid #111;
  border-bottom: 3px solid #111;
  padding: 1.25rem;
  min-width: 0;
}

.cell:nth-child(2n) {
  border-right: 0;
}

.brand-cell {
  grid-column: 1 / -1;
  border-right: 0;
}

.brand {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(3.2rem, 16vw, 8rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

.title-cell {
  grid-column: 1 / -1;
  border-right: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.5rem;
  min-height: 140px;
}

.title-cell h1 {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  max-width: 12ch;
  line-height: 1.1;
}

.title-cell p {
  font-size: 0.95rem;
  max-width: 24ch;
}

.shape-cell {
  grid-column: 1 / -1;
  border-right: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 1rem;
  min-height: 140px;
  padding: 1.5rem;
  background: #fff;
}

.circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #e30613;
}

.square {
  width: 68px;
  height: 68px;
  background: #0057b8;
}

.tri {
  width: 0;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-bottom: 70px solid #f5c518;
}

.courses {
  grid-column: 1 / -1;
  border-right: 0;
}

.courses h2 {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.courses ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.courses li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 2px solid #111;
  font-size: 1.05rem;
}

.courses li:last-child {
  border-bottom: 2px solid #111;
}

.cta {
  display: inline-block;
  text-decoration: none;
  background: #e30613;
  color: #fff;
  font-weight: 700;
  padding: 0.9rem 1.2rem;
  transition: background 0.2s ease;
}

.cta:hover {
  background: #111;
}

.note {
  grid-column: 1 / -1;
  border-right: 0;
  border-bottom: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (min-width: 860px) {
  .poster {
    grid-template-columns: 1.15fr 0.85fr 1fr;
    grid-template-rows: auto auto auto auto;
  }

  .cell:nth-child(2n) {
    border-right: 3px solid #111;
  }

  .brand-cell {
    grid-column: 1 / 3;
    grid-row: 1;
    border-right: 3px solid #111;
  }

  .title-cell {
    grid-column: 3;
    grid-row: 1;
    border-right: 0;
    min-height: 0;
  }

  .shape-cell {
    grid-column: 1 / 3;
    grid-row: 2;
    border-right: 3px solid #111;
  }

  .courses {
    grid-column: 3;
    grid-row: 2 / 4;
    border-right: 0;
  }

  .note {
    grid-column: 1 / 3;
    grid-row: 3;
    border-right: 3px solid #111;
    border-bottom: 3px solid #111;
    display: flex;
    align-items: center;
  }
}