/* =========================
   REGISTRATION PAGE (DIAMONDS)
========================= */
.hero { /* Top section / intro area of the page */
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 90px;
  align-items: center;
  text-align: center;
}

.hero h1 { /* Main page heading inside the hero */
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 2px;
  font-weight: 700;
  font-size: 54px;
}

.subtitle { /* Secondary text under the main heading */
  font-family: 'Sofia Sans', sans-serif;
  max-width: 720px;
  opacity: 0.85;
  line-height: 1.6;
  font-size: 18px;
}

.registration-cubes { /* Container that holds the diamond elements */
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 10vw, 60px);
  flex-wrap: wrap;  
  margin-bottom: 50px;
}

.cube-taken {
  background: #2a2a2a;
  border-color: rgba(255,255,255,0.12);
  cursor: not-allowed;
  opacity: 0.65;
}

.cube-taken span {
  transform: rotate(-45deg);
  color: rgba(255,255,255,0.7);
}

.cube-tag.taken {
  background: #111;
  color: #bbb;
}

.cube { /* Individual diamond-shaped clickable card */
  position: relative;
  aspect-ratio: 1 / 1;
  width: clamp(200px, 22vw, 240px);

  background: #bb080b;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;

  display: flex;
  justify-content: center;
  align-items: center;

  text-decoration: none;
  color: #F7F5F2;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);

  overflow: hidden; /* 🔥 THIS is important */
}

.cube:hover { /* Hover animation + visual emphasis */
  background: #bd2e30;
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.cube span { /* Text content inside the cube */
  transform: rotate(-45deg);
  text-align: center;
  
  font-family: 'Bebas Neue', sans-serif;
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.15;
  letter-spacing: 0.7px;
}

.cube-tag{
  position: absolute;
  bottom: 0;   /* attach directly */
  left: 0;
  right: 0;    /* cleaner than width:100% */

  padding: 14px 0;
  text-align: center;

  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1.4px;

  background: #4f0202;
  color: #fff;
  font-family: 'Bebas Neue', sans-serif;

  border-radius: 0 0 10px 10px;
}

.cube span em { /* Smaller secondary text inside the cube */
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 14px;
  opacity: 0.7;
  margin-top: 8px;
}

/* ===== Cube base refinement ===== */
.cube {
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    filter 0.25s ease;
}

/* Available hover */
.cube-available:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 22px 55px rgba(0,0,0,0.45);
  filter: brightness(1.08);
}

/* Taken state */
.cube-taken {
  background: linear-gradient(135deg, #2b2b2b, #1a1a1a);
  border-color: rgba(255,255,255,0.12);
  cursor: not-allowed;
  opacity: 0.6;
}

.cube-taken span {
  opacity: 0.7;
}

/* Disable hover entirely */
.cube-taken:hover {
  transform: none;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.cube-badge {
  position: absolute;
  top: 14px;
  right: 14px;

  z-index: 3;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 700;

  padding: 6px 10px;
  font-size: 12px;
  font-family: 'Bebas Neue', sans-serif;

  background: rgba(0,0,0,0.7);
  color: #fff;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.25);
}