/* ================= 1. 全域色調與字體設定 (溫暖米白 + 深焙黑) ================= */

:root {
  --bg-light: #ECE9E0;
  --text-main: #1C1A17;
  --text-muted: #7A756D;
  --accent: #D35400;
  --card-bg: #12110F;
}

/* 隱藏預設滑鼠游標，改用自訂幾何游標 */

body a, button, .filter-btn, .project-btn, .video-btn, #project-display, .btn-close {
  cursor: none !important;
}

body {
  background-color: var(--bg-light) !important;
  color: var(--text-main) !important;
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  overflow-x: hidden;
  scroll-behavior: smooth;
  margin: 0;
  font-size: 0.95rem;
}

/* ================= 2. Stabondar 風格雙層幾何跟隨游標 ================= */

#cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background-color: var(--text-main);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  margin: -3px 0 0 -3px;
}

#cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--text-main);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  margin: -18px 0 0 -18px;
  transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease, margin 0.3s ease, border-color 0.3s ease;
}

/* ================= 3. 老舊電視微顆粒 (低干擾全域底噪) ================= */

.noise-overlay {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200vw;
  height: 200vh;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.01;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  animation: tv-static 0.3s infinite steps(3);
}

@keyframes tv-static {
  0% {
    transform: translate(0%, 0%);
  }
  50% {
    transform: translate(2%, 1%);
  }
  100% {
    transform: translate(1%, -1%);
  }
}

/* ================= 4. 導覽列與大標題排版 ================= */

.glass-nav {
  background: transparent !important;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.navbar-brand {
  font-size: 1.1rem;
  letter-spacing: 3px;
  font-weight: 900;
  color: var(--text-main) !important;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

/* ================= 5. 作品展示區與【細膩數位雜訊切換特效】 ================= */

.filter-btn {
  background: rgba(28, 26, 23, 0.08);
  color: var(--text-main);
  border: none;
  padding: 10px 20px;
  border-radius: 40px;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  margin-right: 8px;
  margin-bottom: 8px;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--text-main);
  color: var(--bg-light);
}

/* 左側：大型作品展示櫥窗 */

.project-display-window {
  position: sticky;
  top: 12vh;
  border-radius: 16px;
  overflow: hidden;
  background-color: var(--card-bg);
  height: 75vh;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

/* 影像層 */

.project-img-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: grayscale(20%) brightness(0.6);
  transition: filter 0.5s ease, transform 0.8s ease;
}

.project-display-window:hover .project-img-layer {
  filter: grayscale(0%) brightness(0.8);
  transform: scale(1.03);
}

/* 隱藏的雜訊層 (僅在切換時閃爍) */

.project-display-window::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0;
  mix-blend-mode: color-dodge;
  z-index: 5;
  pointer-events: none;
}

/* ★ 觸發細膩雜訊動態 (Glitch Animation) ★ */

.project-display-window.glitch-switch::after {
  animation: digital-noise-burst 0.4s steps(4) forwards;
}

.project-display-window.glitch-switch .project-img-layer {
  animation: image-glitch 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.project-display-window.glitch-switch .project-info-layer {
  animation: text-glitch 0.4s ease forwards;
}

/* 雜訊圖層閃爍關鍵影格 */

@keyframes digital-noise-burst {
  0% {
    opacity: 0;
    transform: translate(0, 0);
  }
  20% {
    opacity: 0.8;
    transform: translate(3%, -2%);
    filter: contrast(200%) brightness(150%);
  }
  40% {
    opacity: 0.3;
    transform: translate(-2%, 4%);
    filter: invert(20%);
  }
  60% {
    opacity: 0.7;
    transform: translate(1%, 2%);
    filter: contrast(150%);
  }
  100% {
    opacity: 0;
    transform: translate(0, 0);
  }
}

/* 影像色彩錯位關鍵影格 */

@keyframes image-glitch {
  0% {
    filter: grayscale(20%) brightness(0.6);
    transform: scale(1);
  }
  20% {
    filter: grayscale(100%) contrast(150%) hue-rotate(90deg) brightness(1.2);
    transform: scale(1.02) translateX(-4px);
  }
  40% {
    filter: grayscale(50%) hue-rotate(-45deg) brightness(0.8);
    transform: scale(1.01) translateX(3px);
  }
  60% {
    filter: grayscale(80%) blur(2px);
    transform: scale(1.03) translateY(-2px);
  }
  100% {
    filter: grayscale(20%) brightness(0.6);
    transform: scale(1);
  }
}

/* 文字資訊層微閃關鍵影格 */

@keyframes text-glitch {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  30% {
    opacity: 0;
    transform: translateX(-10px);
  }
  70% {
    opacity: 0.5;
    transform: translateX(5px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 資訊文字層 */

.project-info-layer {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  background: linear-gradient(to top, rgba(18,17,15,0.95) 0%, rgba(18,17,15,0.2) 60%, transparent 100%);
  color: #ffffff;
}

/* 右側：可滾動的無限作品選單 */

.project-list-container {
  max-height: 65vh;
  overflow-y: auto;
  padding-right: 15px;
}

.project-list-container::-webkit-scrollbar {
  width: 4px;
}

.project-list-container::-webkit-scrollbar-track {
  background: transparent;
}

.project-list-container::-webkit-scrollbar-thumb {
  background: rgba(28,26,23,0.2);
  border-radius: 10px;
}

.project-list-container::-webkit-scrollbar-thumb:hover {
  background: rgba(28,26,23,0.5);
}

.project-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(28,26,23,0.1);
  padding: 20px 10px;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-btn::after {
  content: '→';
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
  color: var(--accent);
}

.project-btn:hover {
  color: var(--text-main);
  transform: translateX(8px);
}

.project-btn.active {
  color: var(--text-main);
  font-weight: 800;
  border-bottom-color: var(--text-main);
}

.project-btn.active::after {
  opacity: 1;
  transform: translateX(0);
}

.project-btn.hidden {
  display: none !important;
}

/* ================= 6. Vimeo 影片區塊 ================= */

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-btn {
  background: rgba(28, 26, 23, 0.05);
  color: var(--text-muted);
  border: none;
  padding: 14px 20px;
  margin-bottom: 8px;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
}

.video-btn:hover, .video-btn.active {
  background: var(--text-main);
  color: var(--bg-light);
  transform: translateX(8px);
}

.noise-overlay {
}

body {
}

body {
}

body {
}

.project-btn {
}

.project-btn {
}

#project-display {
}

.project-btn {
}

.noise-overlay {
}

.modal-body {
}

.modal-body {
}

.project-btn {
}

.noise-overlay {
  pointer-events: none !important;
}

#cursor-dot, #cursor-ring {
  pointer-events: none !important;
}

.modal {
  z-index: 10005 !important;
  background-color: rgba(12, 11, 10, 0.95) !important;
}

.project-btn {
}

.project-btn {
}

.project-btn {
}

.project-btn {
}

.modal, {
  z-index: 10005 !important;
}

/* ================= 手機版 (Mobile) 專屬版面微調 ================= */
@media (max-width: 991.98px) {
    /* 在手機上讓展示圖片區塊稍微縮小，讓下方選單可以稍微露出來 */
    .project-display-window {
        height: 55vh; /* 從 75vh 縮減為 55vh */
        position: relative;
        top: 0;
        margin-bottom: 2rem;
    }
    
    /* 確保手機滑動圖片時，不會觸發瀏覽器預設的上一頁/下一頁手勢 */
    #project-display {
        touch-action: pan-y;
    }
}