body {
  font-family: system-ui, sans-serif;
  background:#f2f2f2;
  margin:0;
  line-height:1.6;
  color:#222;
}
.container {
  max-width:780px;
  margin:auto;
  padding:2rem 1.5rem;
}
header {
  display:flex;
  align-items:flex-end;
  gap:1rem;
}
header img {
  max-height:64px;
}
h1 {
  font-size:2rem;
  margin:0;
}
section {
  margin-top:3rem;
  padding-top:2rem;
  border-top:1px solid #ddd;
}
section:first-of-type {
  border-top:none;
  padding-top:0;
}
img.hero {
  width:100%;
  max-height:360px;
  object-fit:cover;
  border-radius:6px;
  margin:1.5rem 0;
}
.form-wrapper {
  padding:1.5rem;
}
form label {
  display:block;
  margin-top:1.2rem;
  font-weight:500;
}
input, textarea, select {
  width:100%;
  padding:0.6rem;
  margin-top:0.4rem;
  border:1px solid #ccc;
  border-radius:4px;
  font-size:1rem;
}

textarea {
  min-height:100px;
}

.checkbox-group {
  margin-top: 0.6rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;          /* tight spacing between box and text */
  margin-top: 0.3rem;  /* compact vertical spacing */
}

.checkbox-row input[type="checkbox"] {
  width: auto;         /* override global input width */
  padding: 0;
  margin: 0;
  transform: translateY(1px); /* optical baseline alignment */
}

.checkbox-row span {
  line-height: 1.2;
  color: #333;
  font-size: 0.95rem;
}

button {
  margin-top:1.5rem;
  padding:0.7rem 1.2rem;
  font-size:1rem;
  cursor:pointer;
}
.confirmation {
  display:none;
  margin-top:1rem;
  padding:0.7rem;
  background:#dff5df;
  border-radius:4px;
}
footer {
  margin-top:4rem;
  padding-top:1rem;
  border-top:1px solid #ccc;
  font-size:0.8rem;
  color:#777;
  text-align:center;
}
footer a {
  color:#777;
  text-decoration:none;
  margin:0 0.4rem;
}

/* --- Concept gallery --- */
.concept-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.concept-item {
  background: #e9e9e9;
  border-radius: 6px;
  padding: 0.8rem;
  text-align: center;
}

.concept-item img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
}

.concept-caption {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: #444;
}

.concept-caption strong {
  display: block;
  margin-bottom: 0.2rem;
}

.concept-note {
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.8rem;
}