/* ── CodeSnippet Section ── */
.cs-section {
  position: relative;
}
.cs__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.cs__subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

/* Two-column layout */
.cs__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

/* Editor block */
.cs__editor {
  background: #060e1c;
  border: 1px solid rgba(0,200,150,0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,200,150,0.05);
}
.cs__editor-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #0a1628;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.cs__editor-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.cs__editor-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.cs__editor-filename {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cs__copy-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.2);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font);
}
.cs__copy-btn:hover { background: rgba(0,200,150,0.18); }

.cs__body {
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cs__line {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  min-height: 22px;
}
.cs__ln {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.18);
  user-select: none;
  min-width: 18px;
  text-align: right;
}
.cs__code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  flex: 1;
}

/* Phone preview result */
.cs__result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.cs__result-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cs__phone-preview {
  width: 220px;
  background: #0d1f35;
  border-radius: 28px;
  border: 2px solid rgba(0,200,150,0.18);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 40px rgba(0,200,150,0.06);
}
.cs__preview-topbar {
  background: #0a1628;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(0,200,150,0.1);
}
.cs__preview-title {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
}
.cs__preview-body {
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-height: 160px;
  position: relative;
}
.cs__preview-h1 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-align: center;
}
.cs__preview-btn {
  padding: 9px 20px;
  border-radius: 8px;
  background: var(--primary);
  color: #050c18;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  transition: transform 0.15s, box-shadow 0.15s;
}
.cs__preview-btn:hover, .cs__preview-btn.active {
  transform: scale(1.06);
  box-shadow: 0 4px 20px rgba(0,200,150,0.4);
}
.cs__preview-toast {
  position: absolute;
  bottom: 8px; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(0,200,150,0.12);
  border: 1px solid rgba(0,200,150,0.35);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 4px 12px;
  font-size: 9.5px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}
.cs__preview-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Extras grid */
.cs__extras {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.cs__extra-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--card-border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.5;
  transition: border-color 0.25s, transform 0.25s;
}
.cs__extra-card code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
  background: rgba(0,200,150,0.08);
  padding: 1px 5px;
  border-radius: 3px;
}
.cs__extra-card:hover {
  border-color: rgba(0,200,150,0.25);
  transform: translateY(-3px);
}

@media (max-width: 900px) {
  .cs__inner { grid-template-columns: 1fr; }
  .cs__result { order: -1; }
  .cs__extras { grid-template-columns: repeat(2, 1fr); }
  .cs__editor { max-width: 100%; overflow-x: hidden; }
}
@media (max-width: 500px) {
  .cs__extras { grid-template-columns: 1fr; }
  .cs__phone-preview { width: 100%; max-width: 220px; }
}