.bdo-section {
  padding: 140px 0 96px;
  background: var(--bg-alt);
  min-height: 100vh;
}

/* Bu sayfada navbar hep aynı (açık zeminli) görünsün, scroll'da renk değişmesin */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-color: var(--line);
  box-shadow: 0 4px 20px rgba(21, 23, 31, 0.05);
}
.site-header .logo,
.site-header .main-nav a {
  color: var(--ink-soft);
}
.site-header .logo { color: var(--ink); }
.site-header .main-nav a:hover { color: var(--ink); }
.site-header .logo span { color: var(--gold-dark); }
.site-header .nav-toggle span { background: var(--ink); }

#site-header .header-actions .btn-primary {
  background: var(--ink);
  color: #fff;
}
#site-header .header-actions .btn-primary:hover {
  background: var(--gold-dark);
}

.bdo-container {
  max-width: 640px;
  text-align: center;
}

.bdo-title {
  font-size: clamp(24px, 4vw, 34px);
  margin-bottom: 12px;
}

.bdo-title-line1 {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .bdo-title-line1 { white-space: normal; }
}

.bdo-lead {
  color: var(--ink-soft);
  margin-bottom: 40px;
}

.bdo-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.bdo-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  line-height: 0;
}

#bdo-canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: pan-y;
  cursor: default;
  background: var(--ink);
}

.bdo-frame-hit {
  position: absolute;
  left: 23.1481%;
  top: 20.8148%;
  width: 54.7222%;
  height: 42.8889%;
  touch-action: none;
  cursor: default;
}

.bdo-frame-hit.is-hover-frame {
  cursor: grab;
}

.bdo-frame-hit.is-hover-frame:active {
  cursor: grabbing;
}

.bdo-controls {
  width: 100%;
  max-width: 420px;
}

.bdo-controls-hint {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.bdo-field {
  text-align: left;
  margin-bottom: 20px;
}

.bdo-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.bdo-field-optional {
  font-weight: 400;
  color: var(--ink-soft);
  opacity: 0.65;
}

.bdo-field input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
}

.bdo-field input[type="text"]:focus {
  outline: none;
  border-color: var(--gold);
}

.bdo-zoom-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.bdo-zoom-btn {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.bdo-zoom-btn:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.bdo-zoom-row input[type="range"] {
  flex: 1;
  accent-color: var(--gold);
}

.bdo-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.bdo-actions .btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#bdo-download {
  color: #ffffff;
}