/* ============================================================
   Stats — 數字成績
   ============================================================ */

.stats {
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-5);
  }
}

.stat {
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--c-border-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  transition: border-color var(--dur-base), background var(--dur-base);
}
.stat:hover {
  border-color: var(--c-border);
  background: rgba(34,211,238,0.04);
}

.stat-value {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: var(--fw-black);
  line-height: 1;
  color: var(--c-text);
  letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}
.stat-value .suffix {
  font-size: 0.6em;
  color: var(--c-accent);
  margin-left: 2px;
}
.stat-label {
  font-size: var(--fs-small);
  color: var(--c-muted);
}

/* ============================================================
   Process — 服務流程時間軸
   ============================================================ */

.process {
  position: relative;
}

.process-steps {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
  position: relative;
}
@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-5);
  }
  /* 桌機橫向連線 */
  .process-steps::before {
    content: "";
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg,
      transparent,
      var(--c-border) 10%,
      var(--c-border) 90%,
      transparent
    );
    z-index: 0;
  }
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-3);
}

.process-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-accent);
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: var(--fw-black);
  position: relative;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base);
}
.process-step:hover .process-num {
  transform: scale(1.05);
  box-shadow: var(--sh-glow);
}

.process-num::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--c-accent), var(--c-warn));
  opacity: 0;
  z-index: -1;
  transition: opacity var(--dur-base);
}
.process-step:hover .process-num::after { opacity: 0.6; }

.process-step h4 {
  font-family: var(--ff-display);
  font-size: 1.125rem;
  color: var(--c-text);
}
.process-step p {
  font-size: var(--fs-small);
  color: var(--c-muted);
  max-width: 24ch;
}

/* mobile: 數字下方加垂直連線 */
@media (max-width: 767px) {
  .process-step:not(:last-child)::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 20px;
    background: var(--c-border);
  }
}