:root {
  --color-bg: #1a1a1a;
  --color-bg-warm: #222220;
  --color-bg-deep: #141413;
  --color-surface: #2a2a28;
  --color-accent: #c8553a;
  --color-accent-light: #e07455;
  --color-accent-soft: #d4785f;
  --color-accent-dark: #943d2a;
  --color-accent-glow: rgba(200, 85, 58, 0.15);
  --color-white: #fafafa;
  --color-white-warm: #f0ece6;
  --color-white-muted: rgba(250, 250, 250, 0.55);
  --color-white-semi: rgba(250, 250, 250, 0.4);
  --color-text: #c8c4bc;
  --color-divider: rgba(200, 85, 58, 0.18);
  --color-red-string: #c8553a;
  --font-display: 'La Belle Aurore', 'Shippori Mincho', serif;
  --font-jp: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-zh: 'Noto Sans TC', sans-serif;
  --font-body: 'Roboto Condensed', sans-serif;
  --ease-smooth: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  /* 新增：雙層背景。第一層是半透明黑色遮罩，第二層是你的紋路圖 */
  background-image:
    linear-gradient(rgba(43, 43, 43, 0.88), rgba(108, 108, 108, 0.88)),
    url('https://res.cloudinary.com/dnqduthcp/image/upload/v1775293758/digital-art-with-organic-floral-shapes_r2qs7q.png');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  /* 混合模式讓紋路隱約浮現 */
  background-blend-mode: multiply;

  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.7;
}

/* 新增：讓背景紋路在細節處更精緻 (選配) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.01;
  background-image: url('https://res.cloudinary.com/dnqduthcp/image/upload/v1775293758/digital-art-with-organic-floral-shapes_r2qs7q.png');
  background-size: 600px;
  /* 縮小尺寸變成重複細紋 */
  background-repeat: repeat;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* 3D Tulip — fixed canvas, z-index below section content so it never blocks text/photos */
#tulip-canvas {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

@media (max-width: 639px) {
  #tulip-canvas {
    display: none;
  }
}

/* ═══ LOADER ═══ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-smooth), visibility 0.8s;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* 滑鼠 */
.trail-heart {
  position: absolute;
  user-select: none;
  pointer-events: none;
  will-change: transform, opacity;
  font-family: serif;
  /* 使用襯線體讓花瓣符號更優美 */
  line-height: 1;
}

.loader-icon {
  width: 200px;
  height: 200px;
  margin-bottom: 1rem;
  position: relative;
}

.loader-icon svg {
  width: 100%;
  height: 100%;
}

/* ═══ 水泡動畫 - 從潛水員上升 ═══ */
.bubble {
  fill: none;
  stroke: var(--color-accent-light);
  stroke-width: 1.2;
  opacity: 0;
  animation: bubbleRise 4s infinite ease-out;
}

.b1 {
  animation-delay: 0.2s;
}

.b2 {
  animation-delay: 0.6s;
}

.b3 {
  animation-delay: 0.3s;
}

.b4 {
  animation-delay: 0.8s;
}

.b5 {
  animation-delay: 1.2s;
}

.b6 {
  animation-delay: 1.5s;
}

.b7 {
  animation-delay: 1.8s;
}

@keyframes bubbleRise {
  0% {
    transform: translateY(0) scale(0.5);
    opacity: 0;
  }

  15% {
    opacity: 0.7;
  }

  70% {
    opacity: 0.4;
  }

  100% {
    transform: translateY(-130px) scale(1.4);
    opacity: 0;
  }
}

/* ═══ 海龜動畫組 - 優雅游動 ═══ */
.turtle-group {
  animation: turtleSwim 5s ease-in-out infinite;
  transform-origin: center;
}

@keyframes turtleSwim {

  0%,
  100% {
    transform: translateY(0) translateX(0) rotate(0deg);
  }

  25% {
    transform: translateY(-10px) translateX(6px) rotate(2deg);
  }

  50% {
    transform: translateY(0) translateX(0) rotate(0deg);
  }

  75% {
    transform: translateY(10px) translateX(-6px) rotate(-2deg);
  }
}

/* 海龜鰭狀肢輕微擺動 */
.turtle-flipper {
  animation: flipperWave 2.5s ease-in-out infinite;
  transform-origin: center;
}

.turtle-flipper:nth-child(4) {
  animation-delay: 0.3s;
}

.turtle-flipper:nth-child(5) {
  animation-delay: 0.6s;
}

.turtle-flipper:nth-child(6) {
  animation-delay: 0.9s;
}

.turtle-flipper:nth-child(7) {
  animation-delay: 1.2s;
}

@keyframes flipperWave {

  0%,
  100% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(8deg);
  }
}

/* ═══ 潛水員浮動動畫 ═══ */
.diver-shawn {
  animation: diverFloat 4s ease-in-out infinite;
}

.diver-emma {
  animation: diverFloat 4s ease-in-out infinite 0.7s;
}

@keyframes diverFloat {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  25% {
    transform: translateY(-8px) rotate(-1.5deg);
  }

  50% {
    transform: translateY(0) rotate(0deg);
  }

  75% {
    transform: translateY(8px) rotate(1.5deg);
  }
}

/* 潛水員腿部擺動（踢蛙鞋） */
.diver-leg {
  animation: legKick 1.8s ease-in-out infinite;
  transform-origin: top center;
}

.diver-shawn .diver-leg:nth-child(5) {
  animation-delay: 0s;
}

.diver-shawn .diver-leg:nth-child(6) {
  animation-delay: 0.3s;
}

.diver-emma .diver-leg:nth-child(5) {
  animation-delay: 0.15s;
}

.diver-emma .diver-leg:nth-child(6) {
  animation-delay: 0.45s;
}

@keyframes legKick {

  0%,
  100% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(12deg);
  }
}

/* 潛水員手臂輕微擺動 */
.diver-arm {
  animation: armWave 3s ease-in-out infinite;
  transform-origin: center;
}

.diver-shawn .diver-arm:nth-child(4) {
  animation-delay: 0.2s;
}

.diver-shawn .diver-arm:nth-child(5) {
  animation-delay: 0.5s;
}

.diver-emma .diver-arm:nth-child(4) {
  animation-delay: 0.3s;
}

.diver-emma .diver-arm:nth-child(5) {
  animation-delay: 0.6s;
}

@keyframes armWave {

  0%,
  100% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(5deg);
  }
}

/* 潛水員互看動畫 */
.diver-interact {
  animation: diverLook 6s ease-in-out infinite;
  transform-origin: center;
}

.diver-shawn.diver-interact {
  animation-delay: 0s;
}

.diver-emma.diver-interact {
  animation-delay: 0.5s;
  /* 稍微錯開更自然 */
}

@keyframes diverLook {

  0%,
  100% {
    transform: scaleX(1) rotate(0deg);
  }

  50% {
    transform: scaleX(1.05) rotate(2deg);
  }

  /* 向中心微傾 */
}

/* 修正海龜鰭肢動畫點，防止脫離 */
.turtle-flipper {
  transform-origin: 120px 80px;
  /* 以龜殼中心旋轉 */
}

/* ═══ 繪製線條動畫 - 所有圖形依序描繪 ═══ */
.silhouette-path {
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: drawSilhouette 2.5s var(--ease-smooth) forwards;
}

/* 海龜各部分繪製順序 */
.turtle-shell {
  stroke-width: 2;
  animation-delay: 0s;
}

.turtle-pattern {
  stroke-width: 1;
  animation-delay: 0.3s;
}

.turtle-head {
  animation-delay: 0.5s;
}

.turtle-eye {
  stroke-width: 1;
  animation-delay: 0.6s;
  fill: var(--color-accent);
}

/* 潛水員各部分繪製順序 */
.diver-body {
  animation-delay: 0.8s;
}

.diver-head {
  animation-delay: 0.9s;
}

.diver-tank {
  animation-delay: 1.0s;
  stroke-width: 1.2;
}

.diver-arm {
  stroke-linecap: round;
}

.diver-leg {
  stroke-linecap: round;
}

/* Loader 文字樣式 */
.loader-text {
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 1;
  }
}

.silhouette-path {
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: drawSilhouette 2.5s var(--ease-smooth) forwards;
}

@keyframes drawSilhouette {
  to {
    stroke-dashoffset: 0;
  }
}

/* ═══ NAV HEARTS ═══ */
.nav-dots {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.nav-dot {
  width: 14px;
  height: 13px;
  background: transparent;
  cursor: pointer;
  transition: all 0.4s var(--ease-smooth);
  position: relative;
  border: none;
  border-radius: 0;
}

.nav-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  opacity: 0.4;
  clip-path: path('M7 2.5C7 2.5 5.5 0 3.5 0C1.5 0 0 1.5 0 3.5C0 6 3 8.5 7 12.5C11 8.5 14 6 14 3.5C14 1.5 12.5 0 10.5 0C8.5 0 7 2.5 7 2.5Z');
  transition: all 0.4s var(--ease-smooth);
}

.nav-dot::after {
  content: attr(data-label);
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.nav-dot:hover::after {
  opacity: 1;
}

.nav-dot:hover::before {
  opacity: 0.7;
  transform: scale(1.15);
}

.nav-dot.active::before {
  opacity: 1;
  transform: scale(1.3);
  filter: drop-shadow(0 0 4px rgba(200, 85, 58, 0.5));
}

@media (max-width: 768px) {
  .nav-dots {
    right: 1rem;
    gap: 1.1rem;
  }

  .nav-dot {
    width: 11px;
    height: 10px;
  }
}

@media (max-width: 639px) {
  .nav-dots {
    display: none;
  }
}

/* ═══ SECTIONS ═══ */
section {
  position: relative;
  overflow: hidden;
}

.section-full {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accent-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: 1.5rem auto;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-divider), transparent);
}

/* ═══ HERO ═══ */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 15%, rgba(200, 85, 58, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 85%, rgba(200, 85, 58, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(90, 114, 71, 0.03) 0%, transparent 40%);
}

.hero-portrait {
  flex-shrink: 0;
  width: 320px;
  height: 440px;
  overflow: hidden;
  border-radius: 160px 160px 20px 20px;
  opacity: 0;
}

.hero-portrait-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-bg-warm) 50%, var(--color-accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-portrait-placeholder {
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--color-accent);
  opacity: 0.3;
  font-weight: 300;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-date {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
  opacity: 0;
}

.hero-names {
  font-weight: 300;
  color: var(--color-white-semi);
  line-height: 1;
  margin: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 1rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  opacity: 0;
  transform: translateY(40px);
}

.hero-ampersand {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--color-accent);
  font-weight: 300;
  margin: 0;
  opacity: 0;
}

.hero-jp {
  font-family: var(--font-jp);
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 200;
  color: var(--color-white-muted);
  letter-spacing: 0.5em;
  margin-top: 1.5rem;
  opacity: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 3rem;
  margin-top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
}

.hero-scroll-hint span {
  font-size: 1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.5);
    transform-origin: top;
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@media (max-width: 768px) {
  .hero-portrait {
    width: 220px;
    height: 300px;
    border-radius: 110px 110px 14px 14px;
  }

  .hero-name {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }

  .hero-content {
    gap: 1.2rem;
  }
}

/* ═══ HANDS + RED STRING (SVG positioned below hero names) ═══ */
.hero-hands {
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(320px, 50vw, 560px);
  height: auto;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
}

.hero-hands svg {
  width: 100%;
  height: auto;
}

/* Red string animation */
.red-string-path {
  stroke: var(--color-red-string);
  stroke-width: 1.8;
  fill: none;
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  stroke-linecap: round;
  filter: drop-shadow(0 0 3px rgba(200, 85, 58, 0.4));
}

.red-string-path.animate {
  animation: drawString 2s var(--ease-smooth) forwards;
}

@keyframes drawString {
  to {
    stroke-dashoffset: 0;
  }
}

.hand-path {
  fill: none;
  stroke: var(--color-white-muted);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

.hand-path.animate {
  animation: fadeInHand 1.2s var(--ease-smooth) forwards;
}

@keyframes fadeInHand {
  to {
    opacity: 0.7;
  }
}

/* ═══ INTRO SECTIONS ═══ */
.intro-section {
  min-height: 100vh;
  padding: 8rem 2rem;
  display: flex;
  align-items: center;
  position: relative;
}

.intro-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.intro-container.reversed {
  direction: rtl;
}

.intro-container.reversed>* {
  direction: ltr;
}

.intro-portrait-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.intro-portrait {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  position: relative;
  opacity: 0;
  transform: scale(0.6);
}

.intro-portrait-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(200, 85, 58, 0.2), rgba(200, 85, 58, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
}

.intro-portrait-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-portrait-bg .placeholder-initial {
  font-family: var(--font-display);
  font-size: 8rem;
  color: var(--color-accent);
  opacity: 0.25;
  font-weight: 300;
}

.intro-portrait::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  opacity: 0.3;
}

.intro-portrait-accent {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 85, 58, 0.08), transparent);
  top: -20px;
  right: -20px;
  opacity: 0;
}

/* Profession icons — start hidden at portrait center, burst outward */
.portrait-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.portrait-icon {
  position: absolute;
  opacity: 0;
  /* Each icon will be animated FROM center TO its final position via GSAP */
}

.portrait-icon svg {
  width: 100%;
  height: 100%;
}

/* Final resting positions (GSAP animates TO these from center) */
/* Shawn — Engineer icons burst outward from circle */
.icon-code {
  width: 44px;
  height: 44px;
  top: -30px;
  right: -20px;
}

.icon-terminal {
  width: 38px;
  height: 38px;
  bottom: -5px;
  right: -35px;
}

.icon-gear {
  width: 36px;
  height: 36px;
  top: 20px;
  left: -40px;
}

.icon-bracket {
  width: 40px;
  height: 40px;
  bottom: -25px;
  left: 10px;
}

/* Emma — Interior Design icons burst outward */
.icon-ruler {
  width: 42px;
  height: 42px;
  top: -28px;
  left: -20px;
}

.icon-palette {
  width: 40px;
  height: 40px;
  bottom: -10px;
  left: -38px;
}

.icon-lamp {
  width: 38px;
  height: 38px;
  top: 15px;
  right: -38px;
}

.icon-plant {
  width: 36px;
  height: 36px;
  bottom: -22px;
  right: 5px;
}

.intro-content {
  padding: 2rem 0;
}

.intro-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  opacity: 0;
}

.intro-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  opacity: 0;
}

.intro-name-jp {
  font-family: var(--font-zh);
  font-size: 1rem;
  font-weight: 200;
  color: var(--color-white-muted);
  letter-spacing: 0.3em;
  margin-bottom: 2rem;
  opacity: 0;
}

.intro-bio {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text);
  max-width: 440px;
  opacity: 0;
}

.intro-timeline {
  margin-top: 2.5rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--color-divider);
  opacity: 0;
}

.timeline-item {
  padding: 0.8rem 0;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.85rem;
  top: 1.15rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  background: var(--color-bg);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.timeline-event {
  font-size: 0.85rem;
  color: var(--color-white-muted);
  margin-top: 0.2rem;
}

@media (max-width: 768px) {

  .intro-container,
  .intro-container.reversed {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
    direction: ltr;
  }

  .intro-portrait {
    width: 240px;
    height: 240px;
  }

  .intro-bio {
    text-align: left;
    max-width: 100%;
  }

  .intro-timeline {
    text-align: left;
  }
}

/* ═══ HORIZONTAL GALLERY ═══ */
#gallery-wedding {
  position: relative;
  overflow: hidden;
}

.gallery-title-section {
  height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.gallery-label {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  opacity: 0;
}

.gallery-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--color-white);
  opacity: 0;
}

.gallery-heading-jp {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 200;
  color: var(--color-white-muted);
  letter-spacing: 0.3em;
  margin-top: 0.5rem;
  opacity: 0;
}

.horizontal-gallery-wrapper {
  overflow: hidden;
}

.horizontal-gallery {
  display: flex;
  gap: 2rem;
  padding: 4rem 4rem 4rem 10vw;
  width: max-content;
}

.h-gallery-item {
  flex-shrink: 0;
  width: 420px;
  height: 560px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.h-gallery-item-inner {
  width: 100%;
  height: 100%;
  filter: grayscale(100%);
  transition: filter 0.6s var(--ease-smooth);
}

.h-gallery-item:hover .h-gallery-item-inner {
  filter: grayscale(0%);
}

.h-gallery-item-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-accent-soft);
  position: relative;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
  contain: layout style paint;
}

.h-gallery-item-bg img {
  will-change: transform;
  content-visibility: auto;
}

.h-gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(26, 26, 26, 0.85), transparent);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s var(--ease-smooth);
}

.h-gallery-item:hover .h-gallery-item-overlay {
  opacity: 1;
  transform: translateY(0);
}

.h-gallery-item-caption {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-accent-light);
  font-style: italic;
}

@media (max-width: 768px) {
  .h-gallery-item {
    width: 280px;
    height: 380px;
  }

  .horizontal-gallery {
    gap: 1rem;
    padding: 2rem 2rem 2rem 5vw;
  }
}

/* Arrow buttons — hidden on desktop */
.gallery-arrow {
  display: none;
}

.gallery-counter {
  display: none;
}

@media (max-width: 639px) {
  .horizontal-gallery-wrapper {
    position: relative;
    overflow: hidden;
    padding-bottom: 3rem;
  }

  .horizontal-gallery {
    gap: 0;
    padding: 2rem 0;
    width: max-content;
    transition: transform 0.45s var(--ease-smooth);
    will-change: transform;
  }

  .h-gallery-item {
    width: 100vw;
    height: 65vh;
    max-height: 480px;
    padding: 0 1.5rem;
    box-sizing: border-box;
    border-radius: 0;
  }

  .h-gallery-item-inner {
    filter: grayscale(0%);
    border-radius: 12px;
    overflow: hidden;
  }

  .h-gallery-item .h-gallery-item-overlay {
    opacity: 1;
    transform: translateY(0);
  }

  .gallery-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(200, 85, 58, 0.12);
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    color: var(--color-accent);
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s, opacity 0.3s;
    backdrop-filter: blur(4px);
    padding: 0;
  }

  .gallery-arrow svg {
    width: 18px;
    height: 18px;
  }

  .gallery-arrow:active {
    background: var(--color-accent);
    color: var(--color-white);
  }

  .gallery-arrow:disabled {
    opacity: 0.25;
    cursor: default;
  }

  .gallery-arrow-prev {
    left: 1rem;
  }

  .gallery-arrow-next {
    right: 1rem;
  }

  .gallery-counter {
    display: block;
    position: absolute;
    bottom: 0.8rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-body);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    white-space: nowrap;
  }
}

/* ═══ MASONRY GALLERY ═══ */
#gallery-prewedding {
  padding: 8rem 2rem;
}

.masonry-grid {
  max-width: 1200px;
  margin: 0 auto;
  columns: 3;
  column-gap: 1.5rem;
  padding-top: 3rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  opacity: 0;
  transform: translateY(40px);
}

.masonry-item-bg {
  width: 100%;
  aspect-ratio: var(--aspect, 3/4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  position: relative;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
  contain: layout style paint;
}

.masonry-item-bg img {
  will-change: transform;
  content-visibility: auto;
}

.masonry-item-inner {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.masonry-item-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(200, 85, 58, 0.04);
  transition: background 0.4s;
}

.masonry-item:hover .masonry-item-inner::after {
  background: rgba(200, 85, 58, 0.12);
}

.masonry-item:hover {
  transform: translateY(0) scale(1.02) !important;
  z-index: 2;
}

@media (max-width: 1024px) {
  .masonry-grid {
    columns: 2;
  }
}

@media (max-width: 640px) {
  .masonry-grid {
    columns: 1;
    max-width: 400px;
  }

  .masonry-item {
    --aspect: 4/3 !important;
  }
}

/* ═══ LIGHTBOX ═══ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(20, 20, 19, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease-smooth);
  cursor: pointer;
  backdrop-filter: blur(20px);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.lightbox.active .lightbox-image {
  opacity: 1;
  transform: scale(1);
}

/* Japanese-style rope knot decorations (Mizuhiki) */
.lightbox-corner {
  position: absolute;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.lightbox.active .lightbox-corner {
  opacity: 1;
}

/* Top-left knot */
.lightbox-corner-tl {
  top: -30px;
  left: -30px;
  width: 100px;
  height: 100px;
  transform: translate(-15px, -15px) rotate(-10deg);
  transition-delay: 0.2s;
}

.lightbox.active .lightbox-corner-tl {
  transform: translate(0, 0) rotate(0deg);
}

/* Top-right knot */
.lightbox-corner-tr {
  top: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  transform: translate(15px, -15px) rotate(10deg);
  transition-delay: 0.3s;
}

.lightbox.active .lightbox-corner-tr {
  transform: translate(0, 0) rotate(0deg);
}

/* Bottom-left knot */
.lightbox-corner-bl {
  bottom: -30px;
  left: -30px;
  width: 100px;
  height: 100px;
  transform: translate(-15px, 15px) rotate(10deg);
  transition-delay: 0.4s;
}

.lightbox.active .lightbox-corner-bl {
  transform: translate(0, 0) rotate(0deg);
}

/* Bottom-right knot */
.lightbox-corner-br {
  bottom: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  transform: translate(15px, 15px) rotate(-10deg);
  transition-delay: 0.5s;
}

.lightbox.active .lightbox-corner-br {
  transform: translate(0, 0) rotate(0deg);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  background: transparent;
  color: var(--color-accent);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 1001;
}

.lightbox-close:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: rotate(90deg);
}

/* ═══ FOOTER ═══ */
#footer {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.footer-bg-pattern {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(200, 85, 58, 0.06) 0%, transparent 60%), radial-gradient(ellipse at 30% 70%, rgba(90, 114, 71, 0.04) 0%, transparent 40%);
  pointer-events: none;
}

.confetti-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.footer-content {
  position: relative;
  z-index: 2;
}

.footer-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
  opacity: 0;
}

.footer-date {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  opacity: 0;
}

.footer-date-jp {
  font-family: var(--font-zh);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 200;
  color: var(--color-white-muted);
  letter-spacing: 0.4em;
  margin-bottom: 3rem;
  opacity: 0;
}

.footer-location {
  font-family: var(--font-zh);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text);
  /* font-style: italic; */
  margin-bottom: 0.5rem;
  opacity: 0;
}

.footer-address {
  font-family: var(--font-zh);
  font-size: 0.85rem;
  color: var(--color-white-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
  opacity: 0;
}

.footer-message {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-accent-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0;
}

.footer-hearts {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-accent);
  opacity: 0;
}

.footer-bottom {
  font-family: var(--font-body);
  margin-top: 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-white-muted);
  opacity: 0;
}

/* ═══ DECORATIVE ═══ */
.floating-kanji {
  position: absolute;
  font-family: var(--font-jp);
  font-size: 12rem;
  font-weight: 200;
  color: rgba(200, 85, 58, 0.25);
  pointer-events: none;
  user-select: none;
  line-height: 1.5;
}

/* ═══ HANDWRITING SECTION ═══ */
.handwriting-section {
  padding: 8rem 2rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hw-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hw-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.88);
}

.hw-portrait {
  position: absolute;
  top: 2rem;
  left: 4rem;
  width: 1000px;
  z-index: 3;
  opacity: 0;
  border-radius: 12px;
  overflow: hidden;
}

@media (max-width: 639px) {
  .handwriting-section {
    min-height: unset;
    height: auto;
    padding: 3rem 1rem;
    align-items: flex-end;
  }

  .hw-bg img {
    object-position: 60% center;
  }

  .hw-portrait {
    top: 1rem;
    left: -2rem;
    width: 130%;
  }
}

.handwriting-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 50% 50%, rgba(200, 85, 58, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.handwriting-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.6;
  color: var(--color-accent);
  text-align: center;
  position: relative;
  z-index: 2;
}

/* 修正後的書寫動畫樣式 */
.handwriting-text span {
  display: inline-block;
  /* 改為 inline-block 動畫效果更好 */
  opacity: 0;
  transform: translateY(3px);
  /* 初始位移 */
  transition: none;
  /* 移除原本的 transition，交給 JS 控制或瞬間出現 */
}

.handwriting-text span.hw-visible {
  opacity: 1 !important;
  transform: translateY(0);
  transition: opacity 0.1s ease, transform 0.2s ease;
  /* 只有在顯示時才有的微小過度 */
}

/* Pen cursor blinking at the writing front */
.hw-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-accent);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: hwBlink 0.8s step-end infinite;
}

@keyframes hwBlink {
  50% {
    opacity: 0;
  }
}

/* Handwriting font classes */
.caveat {
  font-family: "Caveat", cursive;
}

.shadows-into-light {
  font-family: "Shadows Into Light", cursive;
}

.indie-flower {
  font-family: "Indie Flower", cursive;
}

.nothing-you-could-do {
  font-family: "Nothing You Could Do", cursive;
}

.oooh-baby {
  font-family: "Oooh Baby", cursive;
}

.reenie-beanie {
  font-family: "Reenie Beanie", cursive;
}

.cedarville-cursive {
  font-family: "Cedarville Cursive", cursive;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
}


/* 座位查詢浮動按鈕 */
.seating-btn {
  right: auto !important;
  left: 2rem;
  bottom: 1rem;
  text-decoration: none;
  animation-delay: 0.3s;
}

/* 相簿 */
/* 浮動按鈕樣式 */
.portal-btn {
  position: fixed;
  bottom: 1rem;
  right: 2rem;
  z-index: 500;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(200, 85, 58, 0.3);
  transition: all 0.4s var(--ease-out);
  animation: btnPulse 2s infinite;
}

.portal-btn svg {
  width: 20px;
  height: 20px;
}

.portal-btn .btn-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seat-label {
  font-size: 0.6rem;
}

.portal-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  animation: none;
  box-shadow: none;
  pointer-events: none;
}

@keyframes btnPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 10px 25px rgba(200, 85, 58, 0.3);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(200, 85, 58, 0.5);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 10px 25px rgba(200, 85, 58, 0.3);
  }
}

/* 覆蓋面板樣式 */
.portal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(15px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease-smooth);
}

.portal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.portal-content {
  text-align: center;
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  transform: translateY(30px);
  transition: transform 0.6s var(--ease-out);
}

.portal-overlay.active .portal-content {
  transform: translateY(0);
}

.portal-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-white);
  margin-top: 0.5rem;
}

.portal-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 1.2rem 2rem;
  margin: 2.5rem 0 1rem;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--font-jp);
  transition: all 0.3s;
}

.upload-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.portal-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--color-white-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.portal-hint {
  font-size: 0.75rem;
  color: var(--color-white-muted);
  margin-top: 1rem;
}