/* How it works: three steps along a dashed line, text and product moments alternating sides. */
.sp { --sp-line: #e6e7ea; --sp-muted: #626b7b; }
.sp-head { text-align: center; }
.sp-head h2 { font-size: clamp(34px, 4vw, 48px); font-weight: 560; letter-spacing: -.035em; line-height: 1.05; }
.sp-head p { max-width: 520px; margin: 14px auto 0; color: var(--sp-muted); font-size: 18px; line-height: 1.5; }
.sp-steps { position: relative; margin: 70px 0 0; padding: 0; list-style: none; }
.sp-steps::before { content: ""; position: absolute; top: 40px; bottom: 40px; left: 50%; border-left: 2px dashed #cdd6ea; transform: translateX(-1px); }
.sp-step { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 120px; align-items: center; margin-bottom: 56px; }
.sp-step:last-child { margin-bottom: 0; }
.sp-step.is-flip .sp-text { order: 2; }
.sp-node { position: absolute; top: 50%; left: 50%; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; background: #fff; border: 2px solid #cdd6ea; border-radius: 50%; color: var(--blue); font: 600 13px ui-monospace, SFMono-Regular, Menlo, monospace; transform: translate(-50%, -50%); }
.sp-step.is-first .sp-node { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 0 0 6px rgba(18, 75, 206, .12); }
.sp-kicker { color: var(--blue); font: 600 12px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; }
.sp-text h3 { margin-top: 10px; font-size: 30px; font-weight: 560; letter-spacing: -.03em; line-height: 1.1; }
.sp-text p { max-width: 430px; margin-top: 12px; color: var(--sp-muted); font-size: 16.5px; line-height: 1.6; }
.sp-text ul { display: grid; gap: 9px; margin: 18px 0 0; padding: 0; list-style: none; color: #3d4657; font-size: 14.5px; }
.sp-text li { display: flex; align-items: center; gap: 9px; }
.sp-text li::before { content: ""; flex: none; width: 16px; height: 16px; border-radius: 50%; background: var(--pale) url("../images/check-blue.svg") center / 10px no-repeat; }
.sp-guide { margin-top: 18px; color: var(--blue); gap: 10px; }
.sp-art { position: relative; height: 290px; overflow: hidden; background: linear-gradient(160deg, #eef3ff, #f7f4ff); border: 1px solid #e3e8f6; border-radius: 20px; }
.sp-panel { position: absolute; background: #fff; border: 1px solid var(--sp-line); border-radius: 14px; box-shadow: 0 24px 50px -26px rgba(23, 32, 51, .4); }
.sp-av { display: block; flex: none; width: 30px; height: 30px; border-radius: 50%; }

/* Step 1 */
.sp-editor { top: 34px; left: 28px; display: flex; flex-direction: column; width: 220px; padding: 14px; }
.sp-label { color: #8a92a3; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.sp-swatches { display: flex; gap: 7px; margin: 10px 0 6px; }
.sp-swatches i { width: 22px; height: 22px; border-radius: 50%; }
.sp-swatches i.is-on { box-shadow: 0 0 0 2px #fff, 0 0 0 3.5px #124bce; }
.sw-1 { background: #124bce; } .sw-2 { background: #16895b; } .sw-3 { background: #e2582b; } .sw-4 { background: #6b4bd8; }
.sp-field { margin-top: 8px; padding: 9px 10px; border: 1px solid var(--sp-line); border-radius: 8px; font-size: 12.5px; }
.sp-preview { top: 26px; right: 28px; width: 200px; overflow: hidden; }
.sp-preview-head { display: flex; align-items: center; gap: 8px; padding: 10px; background: #124bce; color: #fff; font-size: 12px; font-weight: 600; }
.sp-preview-body { display: flex; flex-direction: column; gap: 6px; padding: 10px; }
.sp-preview-body i { width: 75%; height: 20px; border-radius: 8px; background: #f0f1f3; }
.sp-preview-body i.is-me { align-self: flex-end; width: 55%; background: #edf2ff; }

/* Step 2 */
.sp-team { top: 22px; left: 50%; width: min(360px, calc(100% - 40px)); padding: 8px; transform: translateX(-50%); }
.sp-member { display: flex; align-items: center; gap: 10px; padding: 10px; font-size: 13.5px; }
.sp-member + .sp-member { border-top: 1px solid #f0f1f3; }
.sp-member > div { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sp-member small { display: block; color: var(--sp-muted); font-size: 12px; }
.sp-member code { margin-left: auto; padding: 3px 8px; border: 1px solid var(--sp-line); border-radius: 6px; font: 500 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.sp-member.is-pending { opacity: .6; }
.sp-member.is-pending code { border-style: dashed; }

/* Step 3 */
.sp-code { top: 40px; right: 28px; left: 28px; padding: 16px 18px; overflow: hidden; background: #f7f8fa; color: #374151; font: 500 13px/1.8 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }
.sp-code .k { color: #1749d3; } .sp-code .str { color: #15803d; } .sp-code .c { color: #9aa1af; }
.sp-live { bottom: 36px; left: 50%; display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 30px; font-size: 13.5px; white-space: nowrap; transform: translateX(-50%); }
.sp-live i { display: block; flex: none; align-self: center; width: 8px; height: 8px; border-radius: 50%; background: #22a05a; box-shadow: 0 0 0 4px rgba(34, 160, 90, .15); }

/* Tablet and mobile: the line runs down the left; each step stacks text above its picture. */
@media (max-width: 900px) {
  .sp-steps { margin-top: 48px; padding-left: 56px; }
  .sp-steps::before { left: 21px; top: 22px; bottom: 22px; }
  .sp-step, .sp-step.is-flip { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-bottom: 48px; }
  .sp-step.is-flip .sp-text { order: 0; }
  .sp-node { top: 0; left: -35px; transform: translate(-50%, 0); }
  .sp-text p { max-width: none; }
}
@media (max-width: 520px) {
  .sp-head p { font-size: 16px; }
  .sp-steps { padding-left: 46px; }
  .sp-steps::before { left: 17px; }
  .sp-node { left: -29px; width: 36px; height: 36px; font-size: 11px; }
  .sp-text h3 { font-size: 26px; }
  .sp-art { height: 270px; }
  .sp-editor { left: 16px; width: 180px; }
  .sp-preview { right: -30px; top: 110px; }
  .sp-code { left: 16px; right: 16px; font-size: 11px; }
  .sp-live { font-size: 12.5px; }
  .sp-team { top: 16px; }
  .sp-member { padding: 8px 10px; }
}