.tool-hero {
  padding-block: 5rem 2rem;
}

.tool-hero h1 {
  margin-bottom: 1rem;

  font-size: clamp(2.5rem,8vw,5rem);
}

.tool-description {
  max-width: 700px;

  font-size: 1.05rem;
}

/* =========================
   CONVERTER
========================= */

.converter-section {
  padding-bottom: 4rem;
}

.converter-card {
  overflow: hidden;

  background: var(--background-second-dark);

  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
}

.color-preview {
  height: 140px;
}

.converter-grid {
  display: grid;
  gap: 1rem;

  padding: 1.5rem;
}

.field-group {
  display: grid;
  gap: 0.5rem;
}

.field-group label {
  font-size: 0.9rem;
  font-weight: 600;
}

.field-group input {
  width: 100%;

  min-height: 52px;

  padding:
    0.9rem
    1rem;

  background: rgba(255,255,255,0.04);

  border: 1px solid transparent;
  border-radius: 14px;

  color: var(--text-color-dark);

  outline: none;

  transition: border-color 0.2s ease;
}

.field-group input:focus {
  border-color: rgba(255,255,255,0.16);
}

input[type="color"] {
  padding: 0.3rem;

  cursor: pointer;
}

.field-rgb-group {
  display: flex;
}

.field-rgb-group input {
  width: 70px;
  margin-right: 0.5rem;
  text-align: center;
}

.result-grid {
  display: grid;
  gap: 1rem;

  padding:
    0
    1.5rem
    1.5rem;
}

.result-card {
  padding: 1rem;

  background: rgba(255,255,255,0.04);

  border-radius: 16px;
}

.result-label {
  display: block;

  margin-bottom: 0.75rem;

  color: var(--text-opacity-dark);

  font-size: 0.85rem;
  font-weight: 600;
}

.fcpx-values {
  display: flex;
  gap: 1rem;
}

.fcpx-values div {
  display: grid;
  gap: 0.25rem;
}

/* =========================
   PALETTE
========================= */

.palette-section {
  padding-bottom: 5rem;
}

.palette-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 1rem;

  margin-bottom: 1rem;
}

.generate-button {
  min-height: 48px;

  padding:
    0.8rem
    1.2rem;

  background: var(--text-textfcp-dark);

  border: 0;
  border-radius: 14px;

  color: var(--text-color-dark);

  font-weight: 700;

  cursor: pointer;

  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.generate-button:hover {
  transform: translateY(-2px);
}

.palette-shortcut {
  margin-bottom: 1.5rem;
}

/* =========================
   PALETTE GRID
========================= */

.palette-grid {
  display: grid;
  gap: 0.7rem;
}

.palette-column {
  overflow: hidden;

  position: relative;

  min-height: 200px;

  border-radius: 24px;

  transition: transform 0.2s ease;
}

.palette-column:hover {
  transform: translateY(-2px);
}

.palette-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  height: 100%;

  padding: 1rem;
}

.palette-top {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.palette-actions {
  display: flex;
  flex-direction: row;
}

.palette-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 38px;
  height: 38px;
  margin: 0.1rem;

  background: rgba(0,0,0,0.2);

  border: 0;
  border-radius: 10px;

  color: #fff;

  font-size: 1rem;

  cursor: pointer;

  background: rgba(255, 255, 255, 0.201);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.3);

  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.palette-button:hover {
  transform: scale(1.05);

  background: rgba(0,0,0,0.35);
}

.palette-button.active {
  background: rgba(255,255,255,0.22);
}

.palette-bottom {
  display: grid;
  gap: 0.35rem;
}

.palette-hex {
  font-size: 1.1rem;
  font-weight: 700;
}

.palette-rgb {
  font-size: 0.9rem;
}

/* =========================
   RESPONSIVE
========================= */

@media (min-width: 768px) {

  .converter-grid,
  .result-grid {
    grid-template-columns: repeat(3,1fr);
  }

  .palette-grid {
    grid-template-columns: repeat(5,1fr);
  }

  .palette-column {
    min-height: 350px;
  }

  .palette-top {
    flex-direction: column;
  }

  .palette-actions {
    flex-direction: column;
  }

}