/* ---------- 網頁效果 demo 專用樣式（只有 effects.html 載入） ---------- */

.effect-demo {
  position: relative;
  height: 190px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-hover);
}

.effect-card .card-body { gap: 10px; display: flex; flex-direction: column; }
.effect-replay { align-self: flex-start; margin-top: 4px; }

/* 1. 捲動淡入 */
.demo-reveal-box {
  padding: 14px 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font-weight: 700;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.demo-reveal-box.in { opacity: 1; transform: none; }

/* 2. 打字機 */
.demo-typewriter {
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--accent);
  white-space: nowrap;
}
.demo-typewriter::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: -0.15em;
  animation: caret-blink 0.9s steps(1) infinite;
}

/* 3. 數字滾動 */
.demo-counter {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
}
.demo-counter .suffix { font-size: 1.4rem; color: var(--muted); margin-left: 4px; }

/* 4. 玻璃霧面 */
.demo-glass-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(30,58,95,0.45), transparent 60%),
    radial-gradient(circle at 75% 70%, rgba(126,163,209,0.35), transparent 55%);
}
.demo-glass-card {
  position: relative;
  z-index: 1;
  padding: 16px 26px;
  border-radius: 14px;
  background: rgba(232, 226, 212, 0.12);
  border: 1px solid rgba(232, 226, 212, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text);
  font-weight: 700;
}

/* 5. 3D 傾斜卡片 */
.demo-tilt-wrap { perspective: 600px; }
.demo-tilt-card {
  width: 140px;
  height: 90px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
  will-change: transform;
}

/* 6. 粒子背景 */
.demo-particles canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.demo-particles span {
  position: relative;
  z-index: 1;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}

/* 7. 漸層文字動畫 */
.demo-gradient-text {
  font-size: 1.6rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--accent), var(--accent-gold), var(--accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 3.2s linear infinite;
}

/* 8. 掃描辨識（沿用客戶案例卡片的簽名效果） */
.demo-scan {
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
}
.demo-scan-icon { font-size: 2.4rem; }
.demo-scan-icon svg { width: 40px; height: 40px; color: var(--accent); stroke-width: 1.5; }
.demo-scan-line {
  position: absolute;
  left: 0; right: 0; top: 4%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  filter: drop-shadow(0 0 6px var(--glow));
  opacity: 0;
}
.demo-scan-line.playing { animation: scan-sweep 1.6s ease-in-out infinite; }

@keyframes caret-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes gradient-shift { to { background-position: 200% center; } }

@media (prefers-reduced-motion: reduce) {
  .demo-typewriter::after { animation: none; opacity: 1; }
  .demo-gradient-text { animation: none; }
  .demo-scan-line.playing { animation: none; opacity: 0; }
}