:root {
  --color-a: #1a3c6e;
  --color-b: #6e1a1a;
  --color-c: #1a5c35;
  --color-d: #5c4a1a;
  --bg: #f4f4f2;
  --surface: #ffffff;
  --border: #d0cec8;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --radius: 10px;
  --gap: 14px;
}


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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', monospace;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem 3rem;
  gap: 2rem;
}


.header {
  text-align: center;
}

.header h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.1em;
  color: var(--text);
}

.header p {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.3rem;
}



.box {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: bold;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  border: 2px solid;
  min-height: 100px;
  transition: transform 0.2s ease;
}

.box:hover {
  transform: scale(1.02);
}

.box-a { background: #dce9f8; border-color: var(--color-a); color: var(--color-a); }
.box-b { background: #f8dcdc; border-color: var(--color-b); color: var(--color-b); }
.box-c { background: #d8f0e4; border-color: var(--color-c); color: var(--color-c); }
.box-d { background: #f5ecd6; border-color: var(--color-d); color: var(--color-d); }


.layout {
  width: 100%;
  max-width: 960px;


  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 160px 100px;
  grid-template-areas:
    "a b c"
    "d d d";
  gap: var(--gap);
}

.box-a { grid-area: a; }
.box-b { grid-area: b; }
.box-c { grid-area: c; }
.box-d { grid-area: d; }


@media (max-width: 1023px) and (min-width: 768px) {
  .layout {
    /* --- CSS GRID (diferente template) --- */
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 130px 130px;
    grid-template-areas:
      "a a d"
      "b c d";
    gap: var(--gap);
  }
}

@media (max-width: 767px) {
  .layout {
    
    display: flex;
    flex-direction: column;
    gap: var(--gap);
    grid-template-columns: unset;
    grid-template-rows: unset;
    grid-template-areas: unset;
  }


  .box {
    min-height: 80px;
  }
}