/* GLOBAL */
body {
  background-color: #102E50;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  overflow-x: hidden; /* allow vertical scroll */
}

* {
  box-sizing: border-box;
}

/* TITLE */
#animate-header {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: bold;
  white-space: normal;
  margin-top: 10px;
  text-align: center;
}

/* DESCRIPTION */
.description {
  max-width: 600px;
  width: 100%;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-left: auto;
  margin-right: auto;
}

/* IMAGE */
.africa-img {
  display: block;
  max-width: min(300px, 100%);
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.image-button-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 320px);
  margin-top: 6px;
  padding-top: 6px;
}

.start-button {
  position: static;
  width: fit-content;
  margin-bottom: 14px;
  margin-left: auto;
  margin-right: auto;
}

button,
.btn {
  max-width: 100%;
}

/* ---------- MOBILE ---------- */
@media (max-width: 576px) {
  body {
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }

  #animate-header {
    font-size: 2rem;
  }

  .description {
    font-size: 1rem;
    line-height: 1.5;
    padding: 0;
  }

  .africa-img {
    max-width: min(220px, 100%);
  }

  button {
    width: 100%;
    max-width: 280px;
  }

  .start-button {
    width: auto;
    max-width: none;
  }
}

/* ---------- SMALL PHONES (iPhone SE / compact Samsung) ---------- */
@media (max-width: 380px) {
  #animate-header {
    font-size: 1.7rem;
    line-height: 1.2;
  }

  .description {
    font-size: 0.95rem;
  }

  .africa-img {
    max-width: min(190px, 100%);
  }

  button {
    max-width: 100%;
  }
}

/* ---------- LARGE PHONES (Plus/Max Samsung & iPhone) ---------- */
@media (min-width: 381px) and (max-width: 430px) {
  #animate-header {
    font-size: 1.9rem;
  }

  .description {
    font-size: 1rem;
  }

  .africa-img {
    max-width: min(210px, 100%);
  }
}

/* ---------- TABLET ---------- */
@media (min-width: 577px) and (max-width: 992px) {
  #animate-header {
    font-size: 2.5rem;
  }

  .description {
    font-size: 1.05rem;
  }
}