:root {
  --ink-night: #0c1729;
  --ink: #172338;
  --ivory: #f3f0e9;
  --paper: #f3f0e9;
  --gold: #f0c95a;
  --champagne: #c9ae7b;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink-night);
  color: var(--ivory);
  font-family: "Noto Sans TC", sans-serif;
}
a { color: inherit; text-decoration: none; }
section { scroll-margin-top: 64px; }

/* ── 導覽列 ───────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--ink-night);
  padding: 20px 40px;
}
.nav-logo img { height: 54px; width: auto; display: block; }
.nav-links { display: none; }

.menu-btn {
  display: block;
  background: none;
  border: none;
  padding: 10px 4px;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 26px; height: 1px;
  background: var(--ivory);
  margin: 7px 0;
  transition: transform .3s ease, opacity .3s ease;
}
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(9, 16, 26, .97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 42px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease;
}
.menu-overlay.open { opacity: 1; pointer-events: auto; }
.menu-overlay a {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 300;
  letter-spacing: .42em;
  margin-right: -.42em;
  color: rgba(243, 234, 216, .8);
  transition: color .3s ease;
}
.menu-overlay a:hover { color: var(--ivory); }
.menu-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  color: rgba(243, 234, 216, .6);
  font-size: 28px;
  font-weight: 300;
  cursor: pointer;
  padding: 8px;
  font-family: "Noto Sans TC", sans-serif;
}

/* ── Hero（設計稿滿版圖，一屏看完） ───────────────────────── */
.hero-img {
  height: calc(100svh - 94px);
  background: var(--ink-night);
}
.hero-img picture { display: block; width: 100%; height: 100%; }
.hero-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}

/* ── 三大特色：一屏三聯（翻面卡） ───────────────────────── */
.triptych {
  display: flex;
  flex-direction: column;
  height: calc(100svh - 94px);
  background: var(--paper);
}
.tri-head {
  display: flex;
  align-items: center;
  gap: 3.5vw;
  padding: 52px 8vw 44px;
  color: var(--ink);
}
.strength-label {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .42em;
  color: rgba(23, 35, 56, .65);
  margin-bottom: 26px;
}
.strength-label .rule {
  width: 72px;
  height: 1px;
  background: rgba(23, 35, 56, .35);
}
.tri-head-left h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 600;
  font-size: clamp(26px, 3.2vw, 44px);
  letter-spacing: .14em;
  line-height: 1.75;
}
.tri-head-right {
  border-left: 1px solid rgba(23, 35, 56, .3);
  padding-left: 3.5vw;
}
.tri-head-right p {
  font-weight: 400;
  font-size: clamp(13px, 1.15vw, 15px);
  line-height: 2.4;
  letter-spacing: .12em;
  color: rgba(23, 35, 56, .85);
}
.tri-row {
  flex: 1;
  display: flex;
  min-height: 0;
}
.tri-panel {
  position: relative;
  flex: 1;
  overflow: hidden;
  cursor: pointer;
  background: #0e1a2c;
}
.tri-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity .55s ease, filter .55s ease;
}
.tri-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 11, 20, .78) 0%, rgba(6, 11, 20, .18) 42%, rgba(6, 11, 20, 0) 65%);
}
.tri-txt {
  position: absolute;
  left: 30px;
  bottom: 34px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity .45s ease;
}
.tri-txt .en {
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .22em;
  color: rgba(243, 240, 233, .8);
}
.tri-txt .zh {
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: .3em;
  color: #fff;
}
.tri-detail {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
  padding: 10% 13%;
  opacity: 0;
  transition: opacity .55s ease .08s;
  pointer-events: none;
}
.tri-detail .zh {
  font-weight: 500;
  font-size: clamp(18px, 1.8vw, 24px);
  letter-spacing: .3em;
  color: var(--champagne);
}
.tri-detail .zh::after {
  content: "";
  display: block;
  width: 34px;
  height: 1px;
  margin-top: 16px;
  background: rgba(201, 174, 123, .5);
}
.tri-detail p {
  font-weight: 300;
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 2.2;
  letter-spacing: .05em;
  color: rgba(243, 240, 233, .9);
  max-width: 320px;
}
@media (hover: hover) {
  .tri-panel:hover .tri-photo { opacity: .12; filter: saturate(.5); }
  .tri-panel:hover .tri-txt { opacity: 0; }
  .tri-panel:hover .tri-detail { opacity: 1; }
}
.tri-panel.open .tri-photo { opacity: .12; filter: saturate(.5); }
.tri-panel.open .tri-txt { opacity: 0; }
.tri-panel.open .tri-detail { opacity: 1; }

/* 看更多 */
.more {
  display: inline-block;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: .5em;
  text-indent: .5em;
  color: rgba(243, 234, 216, .5);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(243, 234, 216, .2);
  transition: color .35s ease, border-color .35s ease;
}
.more:hover { color: var(--ivory); border-bottom-color: var(--gold); }
.more.dark {
  color: rgba(22, 41, 61, .55);
  border-bottom-color: rgba(22, 41, 61, .22);
}
.more.dark:hover { color: var(--ink); border-bottom-color: var(--gold); }

@keyframes appear { to { opacity: 1; } }
@keyframes rise {
  from { opacity: 0; transform: translate(-50%, calc(-50% + 14px)); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* ── 共用：進場顯示 ───────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in { opacity: 1; transform: none; }

.label {
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: .5em;
  opacity: .5;
}

/* ── 第二幕：品牌故事（機械光圈） ───────────────────────── */
.story {
  min-height: 110vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 56px;
  text-align: center;
  padding: 16vh 24px;
}
.iris {
  position: relative;
  width: min(86vw, 600px);
  aspect-ratio: 1;
}
.iris-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.blade {
  fill: #121f31;
  stroke: rgba(243, 234, 216, .28);
  stroke-width: 1.1;
}
.iris-ring  { fill: none; stroke: rgba(243, 234, 216, .24); stroke-width: 1; }
.iris-ring2 { fill: none; stroke: rgba(243, 234, 216, .1);  stroke-width: 1; }
.iris-text {
  font-family: "Noto Serif TC", "Noto Sans TC", serif;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 0 12%;
  text-align: center;
}
.iris-text .line1 {
  font-weight: 300;
  color: var(--ivory);
  font-size: clamp(19px, 2.5vw, 29px);
  letter-spacing: .3em;
  margin-right: -.3em;
  line-height: 2.05;
  white-space: nowrap;
}
.iris-text .line2 {
  font-weight: 300;
  color: rgba(243, 234, 216, .58);
  font-size: clamp(13px, 1.4vw, 16px);
  letter-spacing: .44em;
  margin-right: -.44em;
}
.iris-text .line2 { white-space: nowrap; }
.iris-text .gold { color: var(--gold); }
.iris-text .more {
  font-size: 11px;
  padding-bottom: 4px;
  margin-top: -10px;
}

/* ── 第三幕：服務 ───────────────────────── */
.services {
  background: #ffffff;
  color: var(--ink);
  min-height: calc(100svh - 94px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5vh 24px 6vh;
  text-align: center;
}
.services .label { color: var(--ink); }
.service-grid {
  margin-top: 5vh;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 28px;
  width: 100%;
  padding: 6px 32px 18px;
  scrollbar-width: none;
}
.service-grid::-webkit-scrollbar { display: none; }
/* 放得下時置中（左右留白相等）；放不下時 auto 邊距歸零、照常滑動 */
.service-grid .card:first-child { margin-left: auto; }
.service-grid .card:last-child { margin-right: auto; }
.card {
  display: block;
  flex: 0 0 clamp(230px, calc((100svh - 400px) * 0.72), 380px);
  scroll-snap-align: center;
  background: #fdfbf6;
  border-radius: 22px;
  overflow: hidden;
  padding: 14px 14px 0;
  box-shadow: 0 18px 44px rgba(23, 35, 56, .14);
  transition: transform .45s ease, box-shadow .45s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(23, 35, 56, .2);
}
.card-img {
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  background:
    radial-gradient(80% 90% at 65% 20%, rgba(32, 54, 80, .75), transparent 60%),
    linear-gradient(150deg, #15263a, #0b1420);
  background-size: cover;
  background-position: center;
}
.card h3 {
  font-weight: 400;
  font-size: clamp(18px, 1.6vw, 22px);
  letter-spacing: .26em;
  margin-right: -.26em;
  color: var(--ink);
  text-align: center;
  padding: 30px 12px 34px;
}

.dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}
.dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(22, 41, 61, .22);
  transition: background .3s ease, transform .3s ease;
  cursor: pointer;
}
.dots span.on {
  background: var(--ink);
  transform: scale(1.35);
}

/* ── 第四幕：案例（左圖右文） ───────────────────────── */
.works {
  background: var(--ink-night);
  padding: 18vh 8vw;
}
.works-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 5vw;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}
.works-img {
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(90% 70% at 70% 20%, rgba(32, 54, 80, .7), transparent 60%),
    radial-gradient(70% 60% at 25% 80%, rgba(20, 36, 56, .85), transparent 65%),
    #0e1a2a;
  background-size: cover;
  background-position: center;
}
.works-info .label { margin-bottom: 36px; }
.works-info h3 {
  font-weight: 300;
  font-size: clamp(21px, 2.4vw, 28px);
  letter-spacing: .22em;
  line-height: 1.8;
}
.works-info p {
  margin: 26px 0 40px;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 14px;
  line-height: 2.2;
  letter-spacing: .06em;
  color: rgba(243, 234, 216, .62);
}

/* ── 關於動眼：滑動收縮快門 ───────────────────────── */
.ap-stage {
  height: 200vh;
  background: #05080f;
}
.ap-sticky {
  position: sticky;
  top: 94px;
  height: calc(100svh - 94px);
  overflow: hidden;
}
.ap-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: 50% 50%;
  will-change: transform;
  pointer-events: none;
}
.ap-text {
  position: absolute;
  inset: 0;
  padding: 0 24px;
  background: radial-gradient(closest-side, rgba(4, 8, 14, .72), rgba(4, 8, 14, .35) 60%, transparent 85%);
  will-change: opacity;
  pointer-events: none;
}
.ap-text .line1 {
  white-space: normal;
  line-height: 2.1;
  font-size: clamp(23px, 3.2vw, 38px);
  letter-spacing: .22em;
  margin-right: -.22em;
}
.ap-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 46px;
}
.ap-cue span {
  width: 15px;
  height: 15px;
  border-right: 1px solid rgba(243, 240, 233, .75);
  border-bottom: 1px solid rgba(243, 240, 233, .75);
  transform: rotate(45deg);
  animation: cue-step 2.2s ease-in-out infinite;
}
.ap-cue span + span { margin-top: -9px; animation-delay: .25s; }
@keyframes cue-step {
  0%, 100% { opacity: .15; transform: rotate(45deg) translate(0, 0); }
  50%      { opacity: .85; transform: rotate(45deg) translate(3px, 3px); }
}
.ap-paper {
  position: absolute;
  inset: 0;
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.6vh, 30px);
  padding: 20px 28px;
  opacity: 0;
}
.ap-paper .label {
  color: var(--ink);
  margin-bottom: clamp(2px, 1vh, 10px);
  font-size: 18px;
  letter-spacing: .5em;
  text-indent: .5em;
}
.ap-lead {
  width: 100%;
  max-width: 660px;
  font-family: "Noto Serif TC", "Noto Sans TC", serif;
  font-weight: 300;
  font-size: clamp(16px, 2.3vh, 20px);
  line-height: 2.15;
  letter-spacing: .05em;
  text-align: justify;
  color: rgba(23, 35, 56, .9);
}
.ap-lead strong { font-weight: 700; }
.ap-paper .btn-champagne { margin-top: clamp(8px, 2.4vh, 26px); }

/* ── 關於動眼：文章 ───────────────────────── */
.about {
  background: var(--paper);
  color: var(--ink);
}
.about-col {
  max-width: 640px;
  margin: 0 auto;
  padding: 16vh 28px 14vh;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.about .label { color: var(--ink); text-align: center; margin-bottom: 14px; }
.about-col > p {
  font-family: "Noto Serif TC", "Noto Sans TC", serif;
  font-weight: 300;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 2.6;
  letter-spacing: .06em;
  text-align: justify;
  color: rgba(23, 35, 56, .88);
}
.about-slogan {
  font-family: "Noto Serif TC", serif !important;
  font-weight: 400 !important;
  font-size: clamp(21px, 3.4vh, 30px) !important;
  letter-spacing: .3em !important;
  margin-right: -.3em;
  text-align: center !important;
  color: var(--ink) !important;
  line-height: 1.8 !important;
  padding-top: 8px;
}
.about-slogan::before {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin: 0 auto 42px;
  background: var(--champagne);
}
.about .btn-champagne { margin: 36px auto 0; }
@media (max-width: 760px) {
  .ap-sticky { top: 70px; height: calc(100svh - 70px); }
  .ap-stage { height: 180vh; }
  .ap-paper {
    justify-content: flex-start;
    padding: 9vh 24px 5vh;
    gap: 16px;
    overflow-y: auto;
  }
  .ap-paper .label { font-size: 14px; margin-bottom: 8px; }
  .ap-lead { font-size: 15px; line-height: 2.05; }
  .ap-paper .btn-champagne { margin-top: auto; }
  .about-col { padding: 12vh 24px 12vh; gap: 32px; }
}

/* ── 精選案例列表 ───────────────────────── */
.works-page {
  background: var(--paper);
  color: var(--ink);
  min-height: calc(100svh - 94px);
  padding: 9vh 6vw 12vh;
  text-align: center;
}
.works-page .label { color: var(--ink); font-size: 16px; font-weight: 500; opacity: 1; }
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  margin: 36px 0 52px;
}
.filters .f {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: .16em;
  color: rgba(23, 35, 56, .55);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
}
.filters .f.on {
  color: var(--ink);
  font-weight: 500;
  border-bottom-color: var(--champagne);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 30px;
  max-width: 1280px;
  margin: 0 auto;
  text-align: left;
}
.case-card {
  background: #fdfbf6;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(23, 35, 56, .12);
  transition: transform .4s ease, box-shadow .4s ease;
}
.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 50px rgba(23, 35, 56, .18);
}
.cc-img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
}
.cc-empty {
  background:
    radial-gradient(80% 90% at 65% 20%, rgba(32, 54, 80, .75), transparent 60%),
    linear-gradient(150deg, #15263a, #0b1420);
}
.cc-info { padding: 20px 22px 24px; }
.cc-cat {
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(23, 35, 56, .55);
}
.cc-info h3 {
  margin-top: 10px;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .1em;
  color: var(--ink);
}
.works-empty {
  padding: 14vh 0;
  font-size: 14px;
  letter-spacing: .3em;
  color: rgba(23, 35, 56, .45);
}

/* ── 個案頁 ───────────────────────── */
.case-page {
  background: var(--ink-night);
  min-height: calc(100svh - 94px);
  padding: 6vh 24px 12vh;
}
.case-wrap { max-width: 1060px; margin: 0 auto; }
.case-stage {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #0e1a2c;
  aspect-ratio: 16 / 10;
}
.case-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-stage.no-img img { display: none; }
.case-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(243, 240, 233, .45);
  background: rgba(10, 18, 30, .45);
  color: var(--ivory);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  transition: background .3s ease;
}
.case-nav:hover { background: rgba(201, 174, 123, .85); color: var(--ink); }
.case-nav.prev { left: 16px; }
.case-nav.next { right: 16px; }
.case-counter {
  margin: 20px 0 14px;
  font-size: 14px;
  letter-spacing: .3em;
  color: rgba(243, 240, 233, .6);
}
.case-counter #imgIdx { color: var(--champagne); font-weight: 500; }
.case-thumbs {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 44px;
  scrollbar-width: none;
}
.case-thumbs::-webkit-scrollbar { display: none; }
.case-thumbs img {
  width: 108px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  opacity: .55;
  border: 1px solid transparent;
  transition: opacity .3s ease, border-color .3s ease;
}
.case-thumbs img.on {
  opacity: 1;
  border-color: var(--champagne);
}
.case-page .label { color: rgba(243, 240, 233, .6); }
.case-page h1 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: .18em;
  margin: 18px 0 10px;
}
.case-meta {
  font-size: 13px;
  letter-spacing: .2em;
  color: rgba(243, 240, 233, .55);
  margin-bottom: 26px;
}
.case-summary {
  font-weight: 300;
  font-size: 15px;
  line-height: 2.3;
  letter-spacing: .05em;
  color: rgba(243, 240, 233, .85);
  max-width: 720px;
  margin-bottom: 44px;
}
@media (max-width: 760px) {
  .works-page { padding: 7vh 20px 10vh; }
  .case-grid { grid-template-columns: 1fr; gap: 22px; }
  .case-stage { aspect-ratio: 4 / 3; }
  .case-nav { width: 38px; height: 38px; font-size: 20px; }
}

/* ── 內頁（占位） ───────────────────────── */
.subpage {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  text-align: center;
  padding: 20vh 24px;
}
.subpage h1 {
  font-weight: 300;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: .5em;
  margin-right: -.5em;
}
.subpage .note {
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: .3em;
  color: rgba(243, 234, 216, .45);
}

/* ── 第五幕：聯繫 ───────────────────────── */
.contact {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 52px;
  text-align: center;
  padding: 16vh 24px;
  background: var(--paper);
  color: var(--ink);
}
.contact h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 40px);
  letter-spacing: .34em;
  margin-right: -.34em;
}
.btn-champagne {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--champagne);
  color: var(--ink);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .08em;
  line-height: 1.6;
  padding: 11px 20px;
  transition: filter .3s ease;
}
.btn-champagne .arrow { font-size: 16px; }
.btn-champagne:hover { filter: brightness(1.07); }
.contact .phone {
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: .3em;
  color: rgba(243, 234, 216, .45);
}

/* ── 子頁懸浮聯繫按鈕 ───────────────────────── */
.fab-contact {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 45;
  background: var(--champagne);
  color: var(--ink);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .12em;
  padding: 13px 22px;
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .35);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .4s ease, transform .4s ease, filter .3s ease;
}
.fab-contact.show { opacity: 1; transform: none; pointer-events: auto; }
.fab-contact:hover { filter: brightness(1.07); }

/* ── 聯絡頁 ───────────────────────── */
.contact-page {
  min-height: calc(100svh - 94px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10vh 24px 12vh;
  text-align: center;
}
.contact-page h1 {
  font-family: "Noto Serif TC", serif;
  font-weight: 400;
  font-size: clamp(25px, 3.2vw, 40px);
  letter-spacing: .26em;
  margin: 22px 0 14px;
}
.contact-page .c-note {
  font-weight: 300;
  font-size: 13.5px;
  letter-spacing: .16em;
  color: rgba(243, 240, 233, .6);
}
.c-list {
  width: min(560px, 100%);
  margin-top: 7vh;
  text-align: left;
}
.c-item {
  display: flex;
  align-items: baseline;
  gap: 26px;
  padding: 22px 2px;
  border-bottom: 1px solid rgba(243, 240, 233, .14);
  transition: background .3s ease;
}
.c-item .c-k {
  flex: 0 0 84px;
  font-size: 12.5px;
  letter-spacing: .3em;
  color: rgba(243, 240, 233, .55);
}
.c-item .c-v {
  flex: 1;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--ivory);
}
.c-item .c-a {
  color: var(--champagne);
  font-size: 15px;
  opacity: 0;
  transition: opacity .3s ease;
}
.c-item:hover .c-a { opacity: 1; }
.c-item:hover .c-v { color: var(--champagne); }

/* ── 頁尾 ───────────────────────── */
footer {
  padding: 60px 24px 48px;
  text-align: center;
  border-top: 1px solid rgba(243, 234, 216, .06);
}
footer img { height: 24px; opacity: .45; }
footer .copy {
  margin-top: 18px;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: .24em;
  color: rgba(243, 234, 216, .35);
}

/* ── 展覽設計頁 ───────────────────────── */

.worry {
  background: var(--paper);
  color: var(--ink);
  padding: 12vh 6vw 13vh;
  text-align: center;
}
.worry h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(23px, 3vw, 36px);
  letter-spacing: .22em;
  margin-right: -.22em;
}
.worry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
  max-width: 1180px;
  margin: 7vh auto 0;
  text-align: left;
}
.worry-card {
  background: #fdfbf6;
  border-radius: 18px;
  padding: 30px 30px 32px;
  box-shadow: 0 14px 36px rgba(23, 35, 56, .1);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.worry-card .wq {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.95;
  letter-spacing: .04em;
  color: rgba(23, 35, 56, .62);
}
.worry-card .wa {
  font-weight: 300;
  font-size: 14px;
  line-height: 2.05;
  letter-spacing: .05em;
  color: var(--ink);
  border-top: 1px solid rgba(201, 174, 123, .5);
  padding-top: 18px;
}

.flow {
  background: #ffffff;
  color: var(--ink);
  padding: 12vh 6vw 13vh;
  text-align: center;
}
.flow .label { color: var(--ink); }
.flow h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(23px, 3vw, 36px);
  letter-spacing: .22em;
  margin-right: -.22em;
  margin-top: 20px;
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 44px;
  max-width: 1100px;
  margin: 8vh auto 0;
  text-align: left;
}
.step .no {
  font-family: "Noto Serif TC", serif;
  font-size: 30px;
  font-weight: 400;
  color: var(--champagne);
  letter-spacing: .08em;
}
.step h3 {
  margin-top: 14px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .12em;
}
.step p {
  margin-top: 12px;
  font-weight: 300;
  font-size: 13.5px;
  line-height: 2;
  letter-spacing: .04em;
  color: rgba(23, 35, 56, .78);
}

.faq {
  padding: 12vh 24px 13vh;
  text-align: center;
}
.faq h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 400;
  font-size: clamp(23px, 3vw, 36px);
  letter-spacing: .22em;
  margin-right: -.22em;
  margin-top: 20px;
}
.faq-list {
  max-width: 820px;
  margin: 7vh auto 0;
  text-align: left;
}
.faq-list details {
  border-bottom: 1px solid rgba(243, 240, 233, .16);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 2px;
  font-size: 15.5px;
  font-weight: 400;
  letter-spacing: .08em;
  line-height: 1.8;
  color: var(--ivory);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "＋";
  flex: 0 0 auto;
  color: var(--champagne);
  font-size: 16px;
  transition: transform .3s ease;
}
.faq-list details[open] summary::after { content: "－"; }
.faq-list details p {
  padding: 0 2px 26px;
  font-weight: 300;
  font-size: 14px;
  line-height: 2.1;
  letter-spacing: .05em;
  color: rgba(243, 240, 233, .78);
  max-width: 720px;
}

/* ── 商業攝影頁 ───────────────────────── */
.ph-car {
  position: relative;
  height: calc(100svh - 94px);
  min-height: 420px;
  overflow: hidden;
  background: var(--ink-night);
}
.ph-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity .9s ease;
}
.ph-slide.on { opacity: 1; }
.ph-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 23, 41, .72), rgba(12, 23, 41, .08) 52%, transparent 70%);
}
.car-cat {
  position: absolute;
  left: 6vw;
  bottom: calc(9vh + 44px);
  z-index: 2;
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(27px, 3.6vw, 48px);
  letter-spacing: .24em;
  color: var(--ivory);
  text-shadow: 0 2px 18px rgba(0, 0, 0, .4);
}
.car-h1 {
  position: absolute;
  left: 6vw;
  bottom: 9vh;
  z-index: 3;
  font-weight: 300;
  font-size: clamp(13px, 1.3vw, 16px);
  letter-spacing: .3em;
  color: rgba(243, 240, 233, .85);
}
.car-more {
  position: absolute;
  right: 5vw;
  bottom: 9vh;
  z-index: 3;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: rgba(243, 240, 233, .85);
  border-bottom: 1px solid rgba(201, 174, 123, .7);
  padding-bottom: 5px;
  transition: color .3s ease;
}
.car-more:hover { color: var(--champagne); }
.car-dots {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 3.6vh;
  z-index: 3;
  display: flex;
  gap: 12px;
}
.car-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(243, 240, 233, .38);
  cursor: pointer;
  transition: background .3s ease, transform .3s ease;
}
.car-dots span.on { background: var(--champagne); transform: scale(1.25); }

.worry-grid.w4 {
  grid-template-columns: repeat(2, minmax(0, 520px));
  justify-content: center;
}

.ph-artist {
  padding: 12vh 6vw;
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 64px;
  align-items: center;
  justify-content: center;
}
.pa-img img {
  width: 100%;
  border-radius: 14px;
  display: block;
  filter: grayscale(1);
}
.pa-txt { max-width: 560px; }
.pa-txt h2 {
  font-family: "Noto Serif TC", serif;
  font-weight: 500;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: .2em;
  margin-top: 18px;
}
.pa-txt h2 .en {
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 300;
  font-size: .55em;
  letter-spacing: .3em;
  color: var(--champagne);
}
.pa-bio {
  margin-top: 24px;
  font-weight: 300;
  font-size: 14.5px;
  line-height: 2.2;
  letter-spacing: .05em;
  color: rgba(243, 240, 233, .85);
}
.pa-awards {
  margin-top: 30px;
  border-top: 1px solid rgba(201, 174, 123, .4);
  padding-top: 24px;
}
.pa-awards p {
  font-weight: 300;
  font-size: 13px;
  line-height: 2.3;
  letter-spacing: .06em;
  color: rgba(243, 240, 233, .72);
}

.ph-gallery {
  background: #ffffff;
  color: var(--ink);
  padding: 11vh 6vw 12vh;
  text-align: center;
}
.ph-gallery .label { color: var(--ink); }
.pg-grid {
  margin: 6vh auto 48px;
  max-width: 1280px;
  columns: 4;
  column-gap: 14px;
}
.pg-grid img {
  width: 100%;
  display: block;
  border-radius: 10px;
  margin-bottom: 14px;
}
.ph-gallery .more { color: var(--ink); }
.pg-grid img.r-p { aspect-ratio: 2 / 3; object-fit: cover; }
.pg-grid img.r-l { aspect-ratio: 3 / 2; object-fit: cover; }

/* ── 響應式 ───────────────────────── */
@media (max-width: 760px) {
  .nav { padding: 14px 16px; }
  .nav-logo img { height: 42px; }
  .hero-img { height: calc(100svh - 70px); }
  .hero-img img { object-position: center top; }
  .services { padding: 14vh 24px; }
  .service-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    max-width: none;
    margin: 7vh -24px 0;
    padding: 6px 24px 18px;
    scrollbar-width: none;
  }
  .service-grid::-webkit-scrollbar { display: none; }
  .services { min-height: calc(100svh - 70px); padding: 4vh 24px; }
  .service-grid { margin-top: 4vh; gap: 16px; padding: 6px 24px 18px; margin-left: -24px; margin-right: -24px; width: auto; }
  .card { flex: 0 0 min(76vw, calc((100svh - 330px) * 0.72)); }
  .triptych { height: auto; }
  .tri-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 40px 24px 30px;
  }
  .tri-head-right { border-left: none; padding-left: 0; }
  .tri-head-right p br { display: none; }
  .tri-row { flex-direction: column; }
  .tri-panel { height: 29vh; min-height: 180px; }
  .tri-panel + .tri-panel { border-top: 2px solid var(--paper); }
  .tri-txt { left: 20px; bottom: 16px; gap: 4px; }
  .tri-txt .en { display: none; }
  .tri-txt .zh { font-size: 19px; }
  .tri-detail { padding: 14px 24px; gap: 10px; justify-content: center; }
  .tri-detail .zh { font-size: 16px; }
  .tri-detail .zh::after { margin-top: 8px; }
  .tri-detail p { font-size: 12.5px; line-height: 1.85; max-width: none; }
  .iris-text { padding: 0 5%; gap: 24px; }
  .iris-text .line1 {
    font-size: clamp(16px, 4.9vw, 20px);
    letter-spacing: .18em;
    margin-right: -.18em;
  }
  .iris-text .line2 { font-size: 13px; }
  .iris-text .more { font-size: 10px; margin-top: -8px; }
  .works { padding: 14vh 24px; }
  .works-grid { grid-template-columns: 1fr; gap: 40px; }
  .worry, .flow { padding: 10vh 24px 11vh; }
  .worry-grid { grid-template-columns: 1fr; gap: 18px; margin-top: 5vh; }
  .worry-card { padding: 24px 22px 26px; }
  .flow-grid { grid-template-columns: 1fr; gap: 34px; margin-top: 6vh; }
  .faq { padding: 10vh 20px 11vh; }
  .faq-list summary { font-size: 14.5px; padding: 20px 2px; }
  .ph-car { height: calc(100svh - 70px); min-height: 380px; }
  .car-cat { left: 24px; bottom: 118px; letter-spacing: .16em; }
  .car-h1 { left: 24px; bottom: 84px; font-size: 12px; letter-spacing: .22em; }
  .car-more { right: 24px; bottom: 36px; }
  .car-dots { left: 24px; transform: none; bottom: 40px; }
  .worry-grid.w4 { grid-template-columns: 1fr; }
  .ph-artist { grid-template-columns: 1fr; padding: 10vh 24px; gap: 36px; }
  .pa-img { max-width: 320px; margin: 0 auto; }
  .ph-gallery { padding: 9vh 20px 10vh; }
  .pg-grid { columns: 2; column-gap: 10px; }
  .pg-grid img { margin-bottom: 10px; }
  .fab-contact { right: 16px; bottom: 16px; padding: 11px 18px; font-size: 12px; }
  .contact-page { min-height: calc(100svh - 70px); padding: 8vh 22px 10vh; }
  .c-item { gap: 16px; padding: 18px 2px; }
  .c-item .c-k { flex-basis: 64px; letter-spacing: .2em; }
  .c-item .c-v { font-size: 14.5px; }
}
@media (min-width: 761px) {
  .worry h2 br.m { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
