/* ═══ Signature Generator ═══ */
.sig-section { padding: 4rem 0; }

.sig-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.sig-preview-panel {
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.sig-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sig-sticky { position: sticky; top: 2rem; }

.sig-block {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: 1rem;
  padding: 1.5rem;
}

.sig-block-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-500);
  margin-bottom: 1rem;
}

/* Templates */
.sig-templates {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.sig-tpl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--neutral-200);
  border-radius: 0.75rem;
  background: #fff;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--neutral-600);
  transition: all 0.2s;
  min-width: 80px;
}
.sig-tpl-btn:hover { border-color: var(--neutral-400); }
.sig-tpl-btn.active {
  border-color: var(--brand-900);
  background: var(--brand-50);
  color: var(--brand-900);
}
.sig-tpl-icon { font-size: 1.25rem; }

/* Fields */
.sig-fields { display: flex; flex-direction: column; gap: 0.75rem; }
.sig-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--neutral-600);
  margin-bottom: 0.25rem;
}
.sig-field input[type="text"],
.sig-field input[type="email"],
.sig-field input[type="tel"],
.sig-field input[type="url"],
.sig-field select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--neutral-200);
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  color: var(--neutral-900);
  background: #fff;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.sig-field input:focus, .sig-field select:focus {
  outline: none;
  border-color: var(--brand-400);
}
.sig-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

/* Color */
.sig-color-wrap { display: flex; align-items: center; gap: 0.5rem; }
.sig-color-wrap input[type="color"] {
  width: 36px; height: 36px; border: 1px solid var(--neutral-200);
  border-radius: 0.5rem; cursor: pointer; padding: 2px;
}
.sig-color-hex {
  width: 80px !important; text-align: center; font-family: monospace;
}

/* Radio */
.sig-radio-group { display: flex; gap: 1rem; }
.sig-radio {
  display: flex; align-items: center; gap: 0.35rem;
  font-size: 0.8125rem; color: var(--neutral-700); cursor: pointer;
}

/* Range */
.sig-field input[type="range"] {
  width: 100%; accent-color: var(--brand-900);
}

/* Preview */
.sig-preview-wrapper {
  background: #f7f7f5;
  border: 1px solid var(--neutral-100);
  border-radius: 0.75rem;
  padding: 1.5rem;
  min-height: 200px;
}
.sig-preview { font-size: 14px; }

/* Buttons */
.sig-export-btns { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; }
.sig-btn {
  padding: 0.7rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  flex: 1;
  text-align: center;
}
.sig-btn-primary {
  background: var(--brand-900);
  color: #fff;
}
.sig-btn-primary:hover { background: var(--brand-800); }
.sig-btn-secondary {
  background: var(--neutral-100);
  color: var(--neutral-700);
}
.sig-btn-secondary:hover { background: var(--neutral-200); }
.sig-copy-feedback {
  text-align: center;
  font-size: 0.8125rem;
  color: #16a34a;
  font-weight: 500;
  padding: 0.5rem 0;
}

/* Instructions */
.sig-instructions details {
  border: 1px solid var(--neutral-100);
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.sig-instructions summary {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neutral-700);
  cursor: pointer;
  background: var(--neutral-50, #fafafa);
}
.sig-instructions summary:hover { background: var(--neutral-100); }
.sig-instructions ol {
  padding: 0.75rem 1rem 0.75rem 2rem;
  font-size: 0.8125rem;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* CTA */
.sig-cta-block {
  background: var(--brand-50);
  border-color: var(--brand-200);
  text-align: center;
}
.sig-cta-text { font-weight: 600; color: var(--brand-900); margin-bottom: 0.25rem; }
.sig-cta-sub { font-size: 0.8125rem; color: var(--neutral-600); margin-bottom: 1rem; }
.sig-btn-cta {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: var(--brand-900);
  color: #fff;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}
.sig-btn-cta:hover { background: var(--brand-800); }

/* Newsletter */
.sig-newsletter { padding: 4rem 0; background: var(--neutral-50, #fafafa); }

/* Responsive */
@media (max-width: 900px) {
  .sig-layout {
  position: relative; grid-template-columns: 1fr; }
  .sig-sticky { position: static; }
}