/* ============================================================
   杰爾森空間設計 JERSON INTERIOR DESIGN
   奶油風 × 莫蘭迪暖調 × 雜誌編排
   ============================================================ */

:root {
  --cream: #F4ECDF;      /* 背景 奶油底 */
  --ivory: #FAF4EA;      /* 更淺 象牙白 */
  --oat:   #EEE4D3;      /* 區塊 燕麥色 */
  --text:  #3A342C;      /* 主文字 暖棕黑 */
  --muted: #6E6456;      /* 次要文字 暖灰褐(對比 ≥4.6:1) */
  --terra: #BC8A6A;      /* 主點綴 陶土色(裝飾/邊框/hover) */
  --terra-text: #8A5A38; /* 陶土色文字用(對比 ≥4.6:1) */
  --sage:  #9EA487;      /* 副點綴 霧綠 */
  --line:  #E4D8C6;      /* 分隔線 */
  --wm:    #EAE0CE;      /* 浮水印大字 */

  --serif: "Noto Serif TC", "Songti TC", serif;
  --sans:  "Noto Sans TC", "PingFang TC", sans-serif;

  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --sec-pad: clamp(6rem, 13vw, 11rem);
  --r-img: 22px;
  --r-btn: 10px;
  --ease: cubic-bezier(.25, .8, .25, 1);
  --shadow-soft: 0 18px 44px -22px rgba(122, 96, 66, .28);
}

/* ---------- 基礎 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.9;
  letter-spacing: .03em;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  animation: pageIn .7s ease both;
}
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: var(--terra); color: var(--ivory); }
:focus-visible { outline: 2px solid var(--terra-text); outline-offset: 3px; border-radius: 2px; }

/* 錨點不被固定導覽列遮住 */
[id] { scroll-margin-top: 5.5rem; }
/* 觸控回饋改為品牌暖色,而非系統藍 */
a, button, summary { -webkit-tap-highlight-color: rgba(188, 138, 106, .2); }

.skip-link { position: absolute; left: -999px; z-index: 999; background: var(--text); color: var(--ivory); padding: .7rem 1.4rem; border-radius: 0 0 var(--r-btn) 0; }
.skip-link:focus { left: 0; top: 0; }

.wrap { max-width: 1240px; margin-inline: auto; padding-inline: var(--gutter); }
.muted { color: var(--muted); }

/* ---------- 文字階層 ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: .06em; }
.eyebrow {
  font-family: var(--sans); font-weight: 400;
  font-size: .75rem; letter-spacing: .13em;
  color: var(--terra-text);
  display: block; margin-bottom: 1.1rem;
}
.sec-head { margin-bottom: clamp(2.8rem, 6vw, 4.5rem); }
.sec-title { font-size: clamp(1.75rem, 3.5vw, 3rem); line-height: 1.3; font-weight: 300; }
.sec-lead { color: var(--muted); max-width: 32em; margin-top: 1.2rem; }

/* ---------- 按鈕與文字連結 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--sans); font-weight: 400;
  font-size: .95rem; letter-spacing: .14em;
  color: var(--text);
  border: 1px solid var(--terra);
  border-radius: var(--r-btn);
  padding: .85em 2.1em;
  background: transparent;
  cursor: pointer;
  transition: background .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}
.btn:hover { background: var(--terra-text); border-color: var(--terra-text); color: var(--ivory); box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.btn--fill { background: rgba(188, 138, 106, .16); }
.btn--lg { padding: 1em 2.6em; font-size: 1.02rem; }

.link-more {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--sans); font-weight: 400;
  font-size: .92rem; letter-spacing: .11em;
  padding-bottom: .35em;
  position: relative;
}
.link-more::before {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--terra); transform-origin: left;
  transition: transform .5s var(--ease);
}
.link-more::after { content: "→"; font-family: var(--sans); font-weight: 300; transition: transform .5s var(--ease); }
.link-more:hover::before { transform: scaleX(.55); }
.link-more:hover::after { transform: translateX(.4em); }

/* ---------- 導覽列 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .45s var(--ease), box-shadow .45s var(--ease);
}
.nav.is-scrolled { background: rgba(250, 244, 234, .96); box-shadow: 0 1px 0 var(--line); }
.nav__inner {
  max-width: 1400px; margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.05rem var(--gutter);
}
.nav__logo { display: flex; flex-direction: column; line-height: 1.25; }
.nav__logo strong { font-family: var(--serif); font-weight: 500; font-size: 1.08rem; letter-spacing: .16em; }
.nav__logo span { font-family: var(--sans); font-weight: 400; font-size: .58rem; letter-spacing: .16em; color: var(--muted); }
.nav__menu { display: flex; align-items: center; gap: clamp(1.1rem, 2.6vw, 2.4rem); }
.nav__menu a:not(.btn) { font-size: .88rem; letter-spacing: .18em; padding: .25rem 0; position: relative; }
.nav__menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 100%;
  background: var(--terra); transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav__menu a:not(.btn):hover::after,
.nav__menu a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__menu .btn { padding: .55em 1.5em; font-size: .85rem; }
.nav__toggle { display: none; }

/* ---------- 首頁 Hero:文字在奶油底 + 拱形框真實作品 ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; }
.hero__inner {
  width: 100%;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, auto);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
  padding-block: 8rem 4rem;
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 300; line-height: 1.16; letter-spacing: .05em;
  margin-bottom: 1.3rem;
}
.hero__title em { font-style: normal; color: var(--terra-text); }
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line i {
  display: inline-block; font-style: normal;
  transform: translateY(112%);
  animation: lineUp 1.15s var(--ease) forwards;
}
.hero__title .line:nth-child(2) i { animation-delay: .14s; }
@keyframes lineUp { to { transform: none; } }
.hero__sub { color: var(--muted); max-width: 26em; margin-bottom: 2.1rem; animation: pageIn 1s ease .55s both; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem; animation: pageIn 1s ease .75s both; }

.hero__figure { margin: 0; position: relative; width: 100%; max-width: 400px; justify-self: end; }
.hero__frame {
  overflow: hidden;
  aspect-ratio: 4 / 4.7;
  border-radius: 999px 999px var(--r-img) var(--r-img);
  background: var(--oat);
  box-shadow: var(--shadow-soft);
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.hero__figure figcaption {
  margin-top: 1rem; text-align: right;
  font-size: .8rem; letter-spacing: .16em; color: var(--muted);
}
.hero__figure::before {
  content: ""; position: absolute; inset: -14px -14px 26px -14px;
  border: 1px solid var(--line);
  border-radius: 999px 999px var(--r-img) var(--r-img);
  pointer-events: none;
}
.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 2.2rem;
  font-family: var(--sans); font-size: .68rem; letter-spacing: .18em;
  color: var(--muted); writing-mode: vertical-rl;
  display: flex; align-items: center; gap: .7rem;
}
.hero__scroll::after {
  content: ""; width: 1px; height: 3rem; background: var(--terra);
  animation: scrollHint 2.4s var(--ease) infinite; transform-origin: top;
}
@keyframes scrollHint {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 區塊 ---------- */
.sec { padding-block: var(--sec-pad); }
.sec--oat { background: var(--oat); }
.sec--ivory { background: var(--ivory); }

/* 理念 */
.intro { position: relative; overflow: hidden; }
.intro__wm {
  position: absolute; top: 50%; right: calc(var(--gutter) * .4); transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(4.5rem, 11vw, 10rem); letter-spacing: .18em;
  color: var(--wm); white-space: nowrap;
  pointer-events: none; user-select: none;
}
.intro__quote {
  position: relative; z-index: 1;
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.6rem, 3.8vw, 2.9rem); line-height: 1.8; letter-spacing: .08em;
  max-width: 21em;
}
.intro__quote em { font-style: normal; color: var(--terra-text); }
.intro__values {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.value h2 { font-size: 1.3rem; font-weight: 400; margin-bottom: .6rem; display: flex; align-items: baseline; gap: .7rem; }
.value h2 i { font-family: var(--serif); font-weight: 400; font-size: .8em; color: var(--terra-text); }
.value p { font-size: .95rem; color: var(--muted); }

/* ============================================================
   首頁:刻意不等節奏(避免每區塊同一套版式)
   ============================================================ */
.hidden-h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.hero__where { font-size: .88rem; letter-spacing: .1em; color: var(--muted); margin-bottom: 1.4rem; }

/* 作品區:主案大、其餘三案小而不等 */
.works-home { padding-block: clamp(4rem, 11vw, 9rem) clamp(3rem, 7vw, 5rem); }
.wlead a {
  display: grid; grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: end;
}
.wlead__media { overflow: hidden; border-radius: var(--r-img); background: var(--oat); aspect-ratio: 1 / 1; }
.wlead__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.wlead a:hover .wlead__media img { transform: scale(1.035); }
.wlead__text { padding-bottom: 1.4rem; }
.wlead__name {
  font-size: clamp(2.2rem, 5vw, 3.9rem); font-weight: 300;
  letter-spacing: .1em; line-height: 1.2; margin-bottom: 1.1rem;
}
.wlead__lead {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem); line-height: 1.9; letter-spacing: .06em;
  color: var(--muted); margin-bottom: 1.4rem; max-width: 20em;
}
.wlead__meta { font-size: .86rem; color: var(--muted); letter-spacing: .06em; margin-bottom: 1.5rem; }

/* 三案叢集:寬度與垂直位移都不一樣 */
.wcluster {
  display: grid; grid-template-columns: 1.12fr .88fr 1fr;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  margin-top: clamp(3rem, 8vw, 6.5rem);
  align-items: start;
}
.wc__item:nth-child(1) { margin-top: clamp(1.5rem, 4vw, 3.2rem); }
.wc__item:nth-child(3) { margin-top: clamp(.6rem, 2vw, 1.4rem); }
.wc__media { overflow: hidden; border-radius: var(--r-img); background: var(--oat); aspect-ratio: 1 / 1; }
.wc__item:nth-child(2) .wc__media { aspect-ratio: 4 / 4.7; }
.wc__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease); }
.wc__item a:hover .wc__media img { transform: scale(1.04); }
.wc__name { font-size: 1.18rem; font-weight: 400; letter-spacing: .1em; margin-top: 1rem; }
.wc__meta { font-size: .82rem; color: var(--muted); margin-top: .3rem; letter-spacing: .05em; }
.works-home__all { margin-top: clamp(3rem, 7vw, 5rem); }

/* 服務區:緊湊,無小標無導言 */
.svc-home { padding-block: clamp(3.5rem, 8vw, 6rem); }
.svclist__note { font-size: .88rem; color: var(--muted); letter-spacing: .04em; }
.svc-home__proof { margin-top: clamp(2.2rem, 5vw, 3.4rem); font-size: .95rem; max-width: 46em; }

/* 收尾:散文式承諾,不用卡片 */
.closing { background: var(--oat); padding-block: clamp(4rem, 10vw, 7.5rem); }
.closing__inner {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 5.5rem); align-items: start;
}
.closing__title {
  font-size: clamp(1.9rem, 4.4vw, 3.2rem); font-weight: 300;
  line-height: 1.5; letter-spacing: .08em;
}
.closing__body p { color: var(--muted); font-size: 1rem; max-width: 34em; }
.closing__body p + p { margin-top: 1.3em; }
.closing__body strong { color: var(--text); font-weight: 400; }
.closing__situations { margin-top: 1.8rem !important; }
.closing__situations .situation {
  color: var(--text);
  border-bottom: 1px solid var(--terra);
  transition: background .3s var(--ease);
}
.closing__situations .situation:hover { background: rgba(188, 138, 106, .16); }
.closing__cta { margin-top: 2.2rem !important; }

/* ---------- 滿版引言 ---------- */
.quote-break { position: relative; min-height: clamp(400px, 68vh, 640px); display: grid; place-items: center; overflow: hidden; }
.quote-break__bg { position: absolute; inset: 0; }
.quote-break__bg img { width: 100%; height: 118%; object-fit: cover; will-change: transform; }
.quote-break blockquote {
  position: relative; z-index: 1; text-align: center;
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.7rem); line-height: 2; letter-spacing: .14em;
  padding-inline: var(--gutter);
}
.quote-break cite {
  display: block; margin-top: 1.6rem;
  font-family: var(--sans); font-style: normal;
  font-size: .72rem; letter-spacing: .16em;
  color: var(--muted);
}

/* ---------- 服務清單 + 游標預覽 ---------- */
.svclist { border-top: 1px solid var(--line); }
.svclist li a {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3.2vw, 2.3rem) .2rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left .5s var(--ease);
}
.svclist li a:hover { padding-left: 1.4rem; }
.svclist__no { font-family: var(--serif); font-size: 1.3rem; color: var(--terra-text); }
.svclist__name {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.4rem, 3vw, 2.3rem); letter-spacing: .1em;
  white-space: nowrap;
  transition: color .4s;
}
.svclist li a:hover .svclist__name { color: var(--terra-text); }
.svclist__en { font-family: var(--sans); font-size: .68rem; letter-spacing: .14em; color: var(--muted); }
.svclist__tag {
  display: inline-block; margin-left: 1rem; vertical-align: middle;
  font-family: var(--sans); font-size: .72rem; letter-spacing: .11em; color: var(--ivory);
  background: #875636; border-radius: 999px; padding: .25em 1em;
}
.svc-preview {
  position: fixed; z-index: 90; top: 0; left: 0; width: 300px; aspect-ratio: 4 / 3;
  border-radius: 16px; overflow: hidden;
  pointer-events: none; opacity: 0;
  transition: opacity .4s var(--ease);
  box-shadow: var(--shadow-soft);
}
.svc-preview img { width: 100%; height: 100%; object-fit: cover; }
.svc-preview.is-on { opacity: 1; }
@media (hover: none), (pointer: coarse) { .svc-preview { display: none; } }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(1.2rem, 2.6vw, 2.2rem); }
.steps li { position: relative; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.steps li::before { content: ""; position: absolute; top: -3px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--terra); }
.steps__no { font-family: var(--serif); font-weight: 400; font-size: 1.2rem; letter-spacing: .12em; color: var(--terra-text); display: block; margin-bottom: .7rem; }
.steps h3 { font-size: 1.12rem; letter-spacing: .12em; margin-bottom: .5rem; }
.steps p { font-size: .88rem; color: var(--muted); }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta h2 { font-size: clamp(1.9rem, 4.5vw, 3.4rem); font-weight: 300; line-height: 1.7; margin-bottom: 2.2rem; }
.cta h2 em { font-style: normal; color: var(--terra-text); }
.cta p { color: var(--muted); max-width: 34em; margin: 0 auto 2.4rem; }

/* ---------- 子頁頁首 ---------- */
.page-head {
  position: relative; overflow: hidden;
  padding: calc(clamp(5rem, 10vw, 8rem) + 3.5rem) 0 clamp(3rem, 6vw, 5rem);
}
.page-head::before {
  content: attr(data-en);
  position: absolute; right: -0.06em; top: clamp(4rem, 8vw, 6.5rem);
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(5rem, 15vw, 11rem); line-height: 1;
  color: var(--wm);
  pointer-events: none; user-select: none; white-space: nowrap;
}
.page-head > * { position: relative; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 300; letter-spacing: .1em; }
.page-head .sec-lead { margin-top: 1.4rem; }

/* ---------- 作品總覽 ---------- */
.filter { display: flex; flex-wrap: wrap; gap: clamp(1.1rem, 2.6vw, 2.2rem); margin-bottom: clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line); padding-bottom: 1.1rem; }
.filter button {
  background: none; border: 0; cursor: pointer;
  font-family: var(--sans); font-weight: 300; font-size: .95rem; letter-spacing: .16em; color: var(--muted);
  padding: .2rem 0; position: relative;
  transition: color .3s;
}
.filter button::after { content: ""; position: absolute; left: 0; bottom: -1.2rem; width: 100%; height: 1px; background: var(--terra); transform: scaleX(0); transition: transform .4s var(--ease); }
.filter button:hover { color: var(--text); }
.filter button.is-on { color: var(--text); }
.filter button.is-on::after { transform: scaleX(1); }

.works-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(1.4rem, 3vw, 2.6rem); row-gap: clamp(2.5rem, 5vw, 4.2rem);
}
.work:nth-child(3n+2) { margin-top: clamp(1.5rem, 4vw, 3.4rem); }
.work:nth-child(3n+3) { margin-top: clamp(.6rem, 2vw, 1.6rem); }
.work.is-hidden { display: none; }
.work__media { border-radius: var(--r-img); overflow: hidden; background: var(--oat); aspect-ratio: 1 / 1; }
.work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease); }
.work a:hover .work__media img { transform: scale(1.045); }
.work__meta { margin-top: 1.1rem; padding-inline: .2rem; }
.work__name { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: .12em; font-weight: 400; }
.work__tag { font-family: var(--sans); font-size: .76rem; letter-spacing: .14em; color: var(--terra-text); display: block; margin-top: .3rem; }
.work__info { font-size: .82rem; color: var(--muted); letter-spacing: .08em; margin-top: .5rem; padding-top: .5rem; border-top: 1px solid var(--line); }
.works-note { margin-top: clamp(3rem, 6vw, 5rem); font-size: .92rem; }
.works-note a { border-bottom: 1px solid var(--terra); }

/* ---------- 個案頁 ---------- */
.crumb {
  display: flex; align-items: center; gap: .7em; flex-wrap: wrap;
  padding-top: calc(clamp(4rem, 8vw, 6rem) + 1.5rem);
  font-size: .8rem; letter-spacing: .12em; color: var(--muted);
}
.crumb a { border-bottom: 1px solid transparent; transition: border-color .3s; }
.crumb a:hover { border-color: var(--terra); }
.crumb span[aria-hidden] { color: var(--terra); }

.case-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, auto);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.case-head__figure { width: 100%; max-width: 460px; justify-self: end; }
.case-head__text h1 { font-size: clamp(2.2rem, 5vw, 4.2rem); font-weight: 300; letter-spacing: .12em; }
.case-head__lead {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.1rem, 1.9vw, 1.45rem); line-height: 1.9; letter-spacing: .08em;
  color: var(--muted); margin-top: 1.2rem; max-width: 22em;
}
.case-head__figure { margin: 0; }
.case-frame {
  /* 相版尺寸貼近原生解析度,避免放大失真 */
  overflow: hidden; border-radius: var(--r-img); background: var(--oat);
  aspect-ratio: 1 / 1; box-shadow: var(--shadow-soft);
}
.case-frame img { width: 100%; height: 100%; object-fit: cover; }

.case-info {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  padding: clamp(1.6rem, 3vw, 2.2rem) .2rem;
  border-block: 1px solid var(--line);
}
.case-info dt { font-size: .74rem; letter-spacing: .11em; color: var(--terra-text); margin-bottom: .35rem; }
.case-info dd { font-size: 1.05rem; letter-spacing: .08em; }

.case-body {
  display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 6vw, 5.5rem); align-items: start;
  padding-block: clamp(3rem, 6vw, 5rem) 0;
}
.case-h2 { font-size: 1.2rem; font-weight: 400; letter-spacing: .18em; margin-bottom: 1.4rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.case-intro p { font-size: 1rem; }
.cpoints { display: grid; gap: 0; }
.cpoint { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 1.2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.cpoint dt { font-family: var(--serif); font-size: 1.02rem; letter-spacing: .16em; }
.cpoint dd { font-size: .95rem; color: var(--muted); }
.case-ig { margin-top: 2rem; }

.case-next {
  display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 3rem); align-items: center;
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.case-next__plate { display: block; overflow: hidden; border-radius: var(--r-img); background: var(--oat); aspect-ratio: 1 / 1; }
.case-next__plate img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease); }
.case-next:hover .case-next__plate img { transform: scale(1.045); }
.case-next__text { display: block; }
.case-next__text .eyebrow { margin-bottom: .3rem; }
.case-next__text strong { display: block; font-family: var(--serif); font-weight: 300; font-size: clamp(1.5rem, 3vw, 2.3rem); letter-spacing: .14em; }
.case-next__meta { display: block; margin-top: .5rem; font-size: .86rem; color: var(--muted); letter-spacing: .1em; }

/* ---------- 服務頁 ---------- */
.svc-block {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(1.4rem, 3.5vw, 3rem);
  align-items: center;
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--line);
}
.svc-block:last-of-type { border-bottom: 0; }
.svc-block__text { grid-column: 1 / span 6; }
.svc-block__media { grid-column: 8 / span 5; }
.svc-block:nth-of-type(even) .svc-block__text { grid-column: 7 / span 6; order: 2; }
.svc-block:nth-of-type(even) .svc-block__media { grid-column: 1 / span 5; order: 1; }
.svc-block__media .imgbox { aspect-ratio: 1 / 1; max-width: 420px; margin-inline: auto; }
.svc-block h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 1.1rem; font-weight: 400; }
.svc-block h2 small { display: block; font-family: var(--sans); font-size: .58rem; letter-spacing: .14em; color: var(--terra-text); margin-top: .5rem; }
.svc-block .sec-no-lg { font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--terra); opacity: .5; display: block; line-height: 1; margin-bottom: .8rem; }
.svc-block p { color: var(--muted); font-size: .98rem; }
.svc-block ul { margin-top: 1.3rem; }
.svc-block li { font-size: .95rem; padding: .55rem 0 .55rem 1.4rem; position: relative; border-top: 1px solid var(--line); }
.svc-block li::before { content: ""; position: absolute; left: .2rem; top: 1.15rem; width: 5px; height: 5px; border-radius: 50%; background: var(--sage); }

.imgbox { border-radius: var(--r-img); overflow: hidden; background: var(--oat); }
.imgbox img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease); }
.imgbox:hover img { transform: scale(1.035); }
.imgbox--arch { border-radius: 999px 999px var(--r-img) var(--r-img); }

/* ---------- 關於 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.about-grid .imgbox--arch { aspect-ratio: 3 / 3.6; max-width: 380px; justify-self: center; }
.manifesto {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem); line-height: 2; letter-spacing: .1em;
}
.manifesto em { font-style: normal; color: var(--terra-text); }
.about-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); }
.about-info h3 { font-size: 1.15rem; letter-spacing: .14em; margin-bottom: .8rem; padding-bottom: .8rem; border-bottom: 1px solid var(--line); font-weight: 400; }
.about-info p { font-size: .95rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 50rem; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1.4rem;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.05rem, 1.9vw, 1.3rem); letter-spacing: .08em;
  padding: 1.6rem .2rem;
  transition: color .3s;
}
.faq-item summary:hover { color: var(--terra-text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--sans); font-weight: 300; font-size: 1.5rem; color: var(--terra-text);
  transition: transform .4s var(--ease); flex: none;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 2.6rem 1.7rem .2rem; color: var(--muted); font-size: .97rem; max-width: 42em; }
.faq-item .faq-a p + p { margin-top: .8em; }

/* ---------- 聯絡 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5.5rem); align-items: start; }
.contact-info dl { margin: 2rem 0; }
.contact-info dl div { display: grid; grid-template-columns: 6.2rem 1fr; gap: 1rem; padding: .9rem .2rem; border-bottom: 1px solid var(--line); font-size: .95rem; }
.contact-info dt { font-family: var(--sans); font-size: .72rem; letter-spacing: .12em; color: var(--terra-text); padding-top: .25rem; }
.contact-info dd a { border-bottom: 1px solid var(--line); }
.contact-info dd a:hover { border-color: var(--terra); }
.contact-map { border-radius: var(--r-img); overflow: hidden; margin-top: 2rem; border: 1px solid var(--line); }
.contact-map iframe { display: block; width: 100%; height: 300px; border: 0; }

.form { background: var(--ivory); border: 1px solid var(--line); border-radius: 24px; padding: clamp(1.6rem, 4vw, 2.8rem); }
.form h2 { font-size: 1.4rem; letter-spacing: .12em; margin-bottom: .6rem; font-weight: 400; }
.form > p { font-size: .9rem; color: var(--muted); margin-bottom: 1.6rem; }
.form label { display: block; font-size: .85rem; letter-spacing: .14em; color: var(--muted); margin: 1.1rem 0 .4rem; }
.form input, .form select, .form textarea {
  width: 100%;
  font-family: var(--sans); font-weight: 300; font-size: .98rem; color: var(--text);
  background: var(--cream);
  border: 1px solid var(--line); border-radius: var(--r-btn);
  padding: .7em 1em;
  transition: border-color .3s;
}
.form :is(input, select, textarea):focus { outline: none; border-color: var(--terra-text); }
.form :is(input, select, textarea):focus-visible { outline: 2px solid var(--terra-text); outline-offset: 2px; }
.form textarea { min-height: 7.5em; resize: vertical; }
.form .btn { margin-top: 1.6rem; width: 100%; justify-content: center; }
.form__note { font-size: .8rem; color: var(--muted); margin-top: .9rem; text-align: center; }
.form__msg {
  margin-top: .9rem; font-size: .85rem; line-height: 1.7;
  white-space: pre-wrap; word-break: break-word;
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--r-btn);
  padding: .9em 1em; color: var(--muted);
}

/* ---------- 頁尾 ---------- */
.footer { background: var(--oat); border-top: 1px solid var(--line); margin-top: clamp(2.5rem, 6vw, 4.5rem); }
/* 首頁收尾同為燕麥色,直接相連不留縫 */
main:has(.closing) + .footer { margin-top: 0; border-top-color: rgba(110, 100, 86, .18); }
.footer__inner {
  display: grid; grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.footer__brand strong { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; letter-spacing: .16em; display: block; }
.footer__brand > span { font-family: var(--sans); font-size: .6rem; letter-spacing: .16em; color: var(--muted); }
.footer__brand p { font-size: .88rem; color: var(--muted); margin-top: 1rem; max-width: 24em; }
.footer__h { font-size: .85rem; font-family: var(--sans); font-weight: 400; letter-spacing: .13em; color: var(--terra-text); margin-bottom: 1.1rem; }
.footer__nav li { margin-bottom: .55rem; }
.footer__nav a { font-size: .92rem; letter-spacing: .12em; color: var(--muted); transition: color .3s; }
.footer__nav a:hover { color: var(--text); }
.footer__contact p { font-size: .92rem; color: var(--muted); margin-bottom: .55rem; letter-spacing: .05em; }
.footer__contact a { border-bottom: 1px solid transparent; transition: border-color .3s; }
.footer__contact a:hover { border-color: var(--terra); }
.footer__bar { border-top: 1px solid var(--line); padding-block: 1.3rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; font-size: .78rem; color: var(--muted); letter-spacing: .08em; }

/* 情境連結:內嵌在句子裡,而不是三張卡片 */
.situation { display: inline; }

/* ---------- 客變截止日提醒(真實時效) ---------- */
.deadline {
  margin-top: 1.2rem; padding: 1.1rem 1.3rem;
  background: rgba(188, 138, 106, .1);
  border-left: 2px solid var(--terra);
  border-radius: 0 var(--r-btn) var(--r-btn) 0;
  font-size: .93rem;
}
.deadline strong { color: var(--text); font-weight: 400; }

/* ---------- 預算參考表(價格錨定) ---------- */
.budget__table { border-top: 1px solid var(--line); }
.budget__row {
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem; padding: 1.15rem .3rem;
  border-bottom: 1px solid var(--line);
  font-size: .98rem;
}
.budget__row--head {
  font-family: var(--sans); font-size: .74rem; letter-spacing: .11em; color: var(--terra-text);
}
.budget__row span:first-child { font-family: var(--serif); letter-spacing: .08em; }
.budget__row:not(.budget__row--head) span:nth-child(2),
.budget__row:not(.budget__row--head) span:nth-child(3) { color: var(--muted); }
.budget__notes { margin-top: 1.8rem; max-width: 46em; }
.budget__notes li {
  position: relative; padding-left: 1.3rem; margin-bottom: .6rem;
  font-size: .9rem; color: var(--muted);
}
.budget__notes li::before { content: ""; position: absolute; left: .25rem; top: .82em; width: 4px; height: 4px; border-radius: 50%; background: var(--sage); }

/* 表單選填標記 */
.opt {
  margin-left: .6em; font-size: .78em; letter-spacing: .08em;
  color: var(--muted); opacity: .75;
}

/* ---------- 浮動 LINE 按鈕 ---------- */
.float-line {
  position: fixed; z-index: 95;
  right: clamp(1rem, 3vw, 2.2rem);
  bottom: max(clamp(1rem, 3vw, 2.2rem), env(safe-area-inset-bottom, 0px));
  display: inline-flex; align-items: center; gap: .6em;
  padding: .85em 1.5em;
  font-family: var(--sans); font-weight: 400;
  font-size: .92rem; letter-spacing: .12em;
  color: var(--ivory);
  background: #6E4A2E;
  border: 1px solid rgba(250, 244, 234, .28);
  border-radius: 999px;
  box-shadow: 0 14px 34px -14px rgba(58, 52, 44, .5);
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity .5s var(--ease), transform .5s var(--ease), background .35s var(--ease);
}
.float-line.is-in { opacity: 1; transform: none; pointer-events: auto; }
.float-line:hover { background: var(--text); }
.float-line__icon { width: 1.35em; height: 1.35em; flex: none; }
.float-line__text { white-space: nowrap; }

@media (max-width: 720px) {
  .float-line { padding: .8em 1.3em; font-size: .88rem; }
}
/* 手機選單開啟時不要蓋住 */
.nav__menu.is-open ~ * .float-line,
body:has(.nav__menu.is-open) .float-line { opacity: 0; pointer-events: none; }

/* ---------- 進場動畫 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body, .hero__sub, .hero__actions { animation: none; }
  .hero__title .line i { animation: none; transform: none; }
  .quote-break__bg img { height: 100%; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll::after { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- RWD ---------- */
@media (max-width: 1000px) {
  .hero { min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; padding-block: 7.5rem 3.5rem; gap: 2.5rem; }
  .hero__figure { max-width: 460px; width: 100%; }
  .hero__frame { aspect-ratio: 4 / 4.2; }
  .hero__figure figcaption { text-align: left; }
  .hero__scroll { display: none; }

  .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work:nth-child(3n+2), .work:nth-child(3n+3) { margin-top: 0; }
  .work:nth-child(even) { margin-top: clamp(1.2rem, 4vw, 2.6rem); }
  .case-head { grid-template-columns: 1fr; }
  .case-head__figure { max-width: 460px; justify-self: start; }
  .case-body { grid-template-columns: 1fr; }
  .svc-block__text, .svc-block:nth-of-type(even) .svc-block__text { grid-column: 1 / -1; order: 1; }
  .svc-block__media, .svc-block:nth-of-type(even) .svc-block__media { grid-column: 1 / -1; order: 2; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .wlead a { grid-template-columns: 1fr; gap: 1.6rem; }
  .wlead__media { max-width: 520px; }
  .wlead__text { padding-bottom: 0; }
  .wcluster { grid-template-columns: 1fr 1fr; gap: 1.4rem 1.2rem; margin-top: clamp(2.5rem, 8vw, 4rem); }
  .wc__item:nth-child(1), .wc__item:nth-child(3) { margin-top: 0; }
  .wc__item:nth-child(2) .wc__media { aspect-ratio: 1 / 1; }
  .closing__inner { grid-template-columns: 1fr; gap: 1.8rem; }
  .about-grid .imgbox--arch { max-width: 360px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .case-info { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .intro__wm { display: none; }
}

@media (max-width: 720px) {
  /* ===== 手機優先:縮短捲動距離、放大觸控目標 ===== */
  :root { --sec-pad: clamp(4rem, 11vw, 6rem); }
  body { line-height: 1.85; }

  .nav__inner { padding-block: .8rem; }
  .nav__logo { padding-block: .45rem; }

  .nav__toggle {
    display: flex; flex-direction: column; justify-content: center; gap: .42rem;
    width: 2.9rem; height: 2.9rem;
    background: none; border: 0; cursor: pointer; z-index: 120;
  }
  .nav__toggle span { display: block; width: 1.55rem; height: 1.5px; background: var(--text); margin-inline: auto; transition: transform .35s var(--ease), opacity .3s; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(.48rem) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-.48rem) rotate(-45deg); }
  .nav__menu {
    position: fixed; inset: 0; z-index: 110;
    background: var(--ivory);
    flex-direction: column; justify-content: center; gap: 1.9rem;
    opacity: 0; pointer-events: none; transition: opacity .4s var(--ease);
  }
  .nav__menu.is-open { opacity: 1; pointer-events: auto; }
  .nav__menu { gap: .4rem; }
  .nav__menu a:not(.btn) {
    font-size: 1.15rem;
    display: flex; align-items: center; justify-content: center;
    min-height: 48px; padding: .5rem 1.5rem;
  }
  .nav__menu a:not(.btn)::after { display: none; }
  .nav__menu a.is-active { color: var(--terra-text); }
  .nav__menu .btn { min-height: 48px; padding: .8em 2em; font-size: .95rem; margin-top: .8rem; }

  .intro__values { grid-template-columns: 1fr; }

  /* 作品篩選:改為可橫向滑動的膠囊,拇指好按 */
  .filter {
    flex-wrap: nowrap; overflow-x: auto; gap: .5rem;
    border-bottom: 0; padding-bottom: .3rem;
    margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter);
    scrollbar-width: none; -ms-overflow-style: none;
  }
  .filter::-webkit-scrollbar { display: none; }
  .filter button {
    flex: none; min-height: 44px; padding: .55em 1.15em;
    border: 1px solid var(--line); border-radius: 999px;
    font-size: .9rem; letter-spacing: .1em;
  }
  .filter button::after { display: none; }
  .filter button.is-on { background: rgba(188, 138, 106, .16); border-color: var(--terra); color: var(--text); }

  .works-grid { grid-template-columns: 1fr; row-gap: clamp(2rem, 7vw, 3rem); }
  .work:nth-child(even) { margin-top: 0; }
  .work__meta { flex-direction: column; gap: .3rem; }
  .work__info { white-space: normal; }

  .case-next { grid-template-columns: minmax(0, 190px) minmax(0, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .steps li { padding-top: 1.2rem; }
  /* 服務列表:說明改置於名稱下方,不與名稱擠同一列 */
  .svclist li a { flex-direction: column; align-items: flex-start; gap: .35rem; padding-block: 1.4rem; }
  .svclist__name { white-space: normal; font-size: 1.35rem; }
  .svclist__note { font-size: .85rem; }
  .svclist__tag { margin-left: 0; margin-top: .5rem; }
  /* 作品叢集:標題不要斷成兩行 */
  .wc__name { font-size: 1.05rem; }
  .wc__meta { font-size: .76rem; }
  .cpoint { grid-template-columns: 1fr; gap: .2rem; }
  .svc-block { padding-block: clamp(2.2rem, 8vw, 3.5rem); }

  /* 觸控目標:連結類一律拉到 44px */
  .link-more { min-height: 44px; padding-block: .55rem .35rem; }
  .crumb { gap: .4em .8em; }
  .crumb a { display: inline-flex; align-items: center; min-height: 44px; }
  .case-info dd a { display: inline-flex; align-items: center; min-height: 44px; }
  .contact-info dd a, .works-note a, .footer__contact a {
    display: inline-flex; align-items: center; min-height: 44px; padding-block: .45rem;
  }
  .footer__nav li { margin-bottom: 0; }
  .footer__nav a { display: block; padding-block: .6rem; min-height: 44px; }
  .footer__inner { grid-template-columns: 1fr; gap: 2.4rem; }
  .footer__bar { justify-content: center; text-align: center; }

  /* 表單:欄位高度足夠,字級 ≥16px 避免 iOS 自動放大 */
  .form :is(input, select, textarea) { padding: .85em 1em; font-size: 1rem; }
  .form .btn { min-height: 52px; }

  .page-head { padding-bottom: clamp(2rem, 6vw, 3rem); }
  .page-head::before { font-size: 3.6rem; top: 5.2rem; opacity: .75; }

  .float-line { padding: .9em 1.4em; min-height: 48px; }
  /* 浮動按鈕不遮住頁尾最後一行 */
  .footer__bar { padding-bottom: 4.5rem; }

  /* 心理學區塊的手機版 */
  .budget__row {
    grid-template-columns: 1fr; gap: .2rem;
    padding-block: 1.1rem;
  }
  .budget__row--head { display: none; }
  .budget__row span:nth-child(2)::before { content: "參考單價:"; color: var(--terra-text); }
  .budget__row span:nth-child(3)::before { content: "35 坪約:"; color: var(--terra-text); }
  .budget__row span:nth-child(2), .budget__row span:nth-child(3) { font-size: .92rem; }
}

@media (max-width: 480px) {
  /* 聯絡資訊改上下堆疊,長地址不再被壓縮換行 */
  .contact-info dl div { grid-template-columns: 1fr; gap: .1rem; }
  .contact-info dt { padding-top: 0; }
  .case-info { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
}

@media (max-width: 420px) {
  .page-head::before { display: none; }
}