:root {
  --ink: #151311;
  --paper: #f0eee9;
  --warm: #d0b792;
  --line: rgba(21,19,17,.18);
  --serif: "Noto Serif TC",serif;
  --sans: "Noto Sans TC",sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
}
body.menu-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button,input,select,textarea {
  font: inherit;
  color: inherit;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
picture {
  display: block;
}
[hidden] {
  display: none !important;
}

/* ─── Header ─── */
.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: rgba(240,238,233,.92);
  backdrop-filter: blur(14px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  transition: .3s;
}
.site-header.scrolled {
  border-color: var(--line);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.brand-cn {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: .18em;
}
.brand-en {
  font-size: .68rem;
  letter-spacing: .3em;
}
.site-header nav {
  display: flex;
  gap: 34px;
  align-items: center;
  font-size: .86rem;
  letter-spacing: .08em;
}
.site-header nav a:not(.nav-cta) {
  position: relative;
}
.site-header nav a:not(.nav-cta):after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: .25s;
}
.site-header nav a:hover:after {
  width: 100%;
}
.nav-cta {
  border: 1px solid var(--ink);
  padding: 9px 18px;
  transition: .25s;
}
.nav-cta:hover {
  background: var(--ink);
  color: var(--paper);
}
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
}
.hero {
  height: 100svh;
  min-height: 720px;
  position: relative;
  color: white;
  overflow: hidden;
}
.hero>picture,
.hero img {
  height: 100%;
  object-fit: cover;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,rgba(8,7,6,.68) 0%,rgba(8,7,6,.18) 55%,rgba(8,7,6,.08) 100%);
}
.hero-content {
  position: absolute;
  left: 7vw;
  bottom: 11vh;
  max-width: 710px;
}
.eyebrow,.section-kicker {
  font-size: .68rem;
  letter-spacing: .28em;
  font-weight: 500;
  margin: 0 0 24px;
}
.hero h1,.manifesto h2,.collection h2,.service h2,.process h2,.contact h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.3;
  margin: 0;
}
.hero h1 {
  font-size: clamp(3.1rem,6vw,6.2rem);
}
.hero-copy {
  max-width: 600px;
  font-size: 1.05rem;
  margin: 24px 0 32px;
  color: rgba(255,255,255,.84);
}
.text-link {
  display: inline-flex;
  gap: 36px;
  align-items: center;
  border-bottom: 1px solid currentColor;
  padding: 0 0 7px;
  font-size: .85rem;
  letter-spacing: .1em;
}
.text-link span {
  transition: .25s;
}
.text-link:hover span {
  transform: translate(5px,5px);
}
.hero-index {
  position: absolute;
  right: 4vw;
  bottom: 6vh;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .65rem;
  letter-spacing: .12em;
}
.hero-index .line {
  width: 52px;
  height: 1px;
  background: rgba(255,255,255,.6);
}
.section-pad {
  padding: 140px 7vw;
}
.section-kicker {
  color: #806c53;
}
.manifesto-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 10vw;
}
.manifesto h2,.collection h2,.service h2,.process h2,.contact h2 {
  font-size: clamp(2.3rem,4.2vw,4.8rem);
}
.tagline {
  font-family: var(--serif);
  font-size: clamp(1.05rem,1.4vw,1.35rem);
  letter-spacing: .06em;
  color: #806c53;
  margin: 28px 0 0;
}
.manifesto-copy {
  padding-top: 10px;
  max-width: 550px;
}
.manifesto-copy p {
  margin: 0 0 28px;
}
.collection {
  background: #1b1917;
  color: #f3f0e9;
  padding-bottom: 7vw;
}
.collection-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding-bottom: 65px;
}
.filter {
  display: flex;
  gap: 4px;
}
.filter button {
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.28);
  background: transparent;
  color: rgba(255,255,255,.55);
  padding: 8px 15px;
  cursor: pointer;
  font-size: .82rem;
}
.filter button.active {
  color: white;
  border-color: white;
}
.collection-grid {
  padding: 0 4vw;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  grid-template-rows: auto auto;
  gap: 2px;
}
.product-card {
  position: relative;
  transition: opacity .35s,transform .35s;
}
.product-card.hidden {
  opacity: 0;
  transform: translateY(20px);
  display: none;
}
.product-card.tall {
  grid-row: span 2;
}
.image-wrap {
  overflow: hidden;
  background: #282421;
}
.product-card.tall .image-wrap {
  aspect-ratio: 4/5.45;
}
.product-card.wide .image-wrap {
  aspect-ratio: 1.55/1;
}
.image-wrap picture,
.product-card img {
  height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.product-card:hover img {
  transform: scale(1.025);
}
.product-meta {
  position: absolute;
  left: 24px;
  bottom: 20px;
  text-shadow: 0 1px 15px rgba(0,0,0,.7);
}
.product-meta h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin: 0;
}
.product-meta span {
  font-size: .73rem;
  letter-spacing: .1em;
}
.product-action {
  position: absolute;
  right: 20px;
  bottom: 22px;
  width: 43px;
  height: 43px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: rgba(10,9,8,.16);
  color: white;
  cursor: pointer;
  font-size: 1.25rem;
  transition: .25s;
}
.product-action:hover {
  background: white;
  color: var(--ink);
  transform: rotate(90deg);
}
.statement {
  background: #c9b38f;
  color: #171411;
  min-height: 330px;
}
.statement-inner {
  padding: 7% 8%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.statement span {
  font-size: .65rem;
  letter-spacing: .23em;
}
.statement h3 {
  font-family: var(--serif);
  font-size: clamp(1.8rem,2.7vw,3.4rem);
  line-height: 1.35;
  font-weight: 400;
  margin: 20px 0;
}
.statement p {
  max-width: 520px;
  margin: 0 0 26px;
}
.service {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 10vw;
}
.service-intro {
  position: sticky;
  top: 140px;
  align-self: start;
}
.service-list article {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.service-list article:last-child {
  border-bottom: 1px solid var(--line);
}
.service-list article>span {
  font-size: .7rem;
  color: #806c53;
}
.service-list h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 8px;
}
.service-list p {
  margin: 0;
  color: #5f5a54;
}
.process {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  background: #d8d1c6;
}
.process-image {
  min-height: 840px;
  overflow: hidden;
}
.process-image picture,
.process-image img {
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
}
.process-content {
  padding: 10vw 7vw;
}
.process-content h2 {
  font-size: clamp(2.2rem,3.5vw,4rem);
  margin-bottom: 60px;
}
.process ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.process li {
  display: grid;
  grid-template-columns: 55px 1fr;
  gap: 15px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.process li>span {
  font-size: .65rem;
  color: #806c53;
}
.process strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.12rem;
}
.process li p {
  margin: 5px 0 0;
  color: #625c54;
}
.contact {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 10vw;
  background: #ece9e3;
  position: relative;
}
.contact-title>p:last-child {
  max-width: 420px;
  color: #625c54;
  margin-top: 35px;
}
.contact form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 22px;
}
.contact label {
  font-size: .75rem;
  letter-spacing: .06em;
}
.contact input,.contact select,.contact textarea {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 300;
  outline: none;
}
.contact input:focus,.contact select:focus,.contact textarea:focus {
  border-color: var(--ink);
}
.contact label:nth-child(4) {
  grid-column: 1/-1;
}
.submit-btn {
  grid-column: 1/-1;
  background: var(--ink);
  color: white;
  border: 0;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  margin-top: 6px;
  transition: .25s;
}
.submit-btn:hover {
  background: #37322e;
}
.form-note {
  grid-column: 1/-1;
  font-size: .72rem;
  color: #736c64;
  margin: 0;
}
.request-result {
  grid-column: 2;
  background: #1b1917;
  color: white;
  padding: 34px;
}
.request-result h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.7rem;
}
.request-result pre {
  white-space: pre-wrap;
  font-family: var(--sans);
  font-size: .9rem;
  border-top: 1px solid rgba(255,255,255,.2);
  padding-top: 20px;
}
.request-result button {
  border: 1px solid white;
  background: transparent;
  color: white;
  padding: 10px 18px;
  cursor: pointer;
}
/* 聯絡管道（內容由 script.js 的 CONTACT 設定產生） */
.contact-channels {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  max-width: 420px;
  border-top: 1px solid var(--line);
}
.contact-channels li,
.footer-channels li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 15px;
  align-items: baseline;
}
.contact-channels li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact-channels span,
.footer-channels span {
  font-size: .68rem;
  letter-spacing: .18em;
  color: #806c53;
}
.contact-channels a {
  font-size: 1rem;
  overflow-wrap: anywhere;
}
.contact-channels a:hover,
.footer-channels a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.result-primary {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  background: var(--warm);
  color: var(--ink);
  padding: 10px 18px;
  transition: .25s;
}
.result-primary:hover {
  background: #e0cba9;
}
.request-result .result-ghost {
  border-color: transparent;
  color: rgba(255,255,255,.7);
}
.request-result .result-ghost:hover {
  color: white;
}
.result-status {
  min-height: 1.75em;
  margin: 14px 0 0;
  font-size: .8rem;
  color: rgba(255,255,255,.72);
}
.request-result pre::selection {
  background: var(--warm);
  color: var(--ink);
}
.footer-channels {
  grid-column: 1/-1;
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 40px;
  font-size: .85rem;
}
.footer-channels li {
  grid-template-columns: auto 1fr;
}
.footer-channels span {
  color: #a8997f;
}
footer {
  background: #11100f;
  color: #eeeae3;
  padding: 70px 7vw 35px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: start;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.footer-brand span:first-child {
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: .15em;
}
.footer-brand span:last-child {
  font-size: .65rem;
  letter-spacing: .3em;
}
.footer-tagline {
  margin: 0;
  font-size: .8rem;
  color: #a39d95;
}
.footer-tagline span {
  display: block;
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: .06em;
  color: #eeeae3;
}
.footer-links {
  display: flex;
  gap: 25px;
  justify-content: flex-end;
  font-size: .78rem;
}
footer small {
  grid-column: 1/-1;
  border-top: 1px solid rgba(255,255,255,.16);
  padding-top: 22px;
  margin-top: 45px;
  color: #8c8882;
}
.menu-toggle {
  cursor: pointer;
}

@media(max-width:900px) {
  .site-header {
    height: 70px;
  }
  .menu-toggle {
    display: block;
    z-index: 2;
  }
  .menu-toggle span {
    display: block;
    width: 25px;
    height: 1px;
    background: var(--ink);
    margin: 6px;
  }
  .site-header nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--paper);
    flex-direction: column;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1.5rem;
  }
  .site-header nav.open {
    display: flex;
  }
  .hero {
    min-height: 660px;
  }
  .hero-content {
    left: 6vw;
    right: 6vw;
    bottom: 12vh;
  }
  .hero h1 {
    font-size: clamp(2.8rem,12vw,4.6rem);
  }
  .section-pad {
    padding: 95px 6vw;
  }
  .manifesto-grid,.service,.contact {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .manifesto-copy {
    max-width: none;
  }
  .collection-heading {
    align-items: flex-start;
    gap: 35px;
    flex-direction: column;
  }
  .collection-grid {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .product-card.tall {
    grid-row: auto;
  }
  .product-card.tall .image-wrap,.product-card.wide .image-wrap {
    aspect-ratio: 4/4.5;
  }
  .statement {
    min-height: 380px;
  }
  .service-intro {
    position: static;
  }
  .process {
    grid-template-columns: 1fr;
  }
  .process-image {
    min-height: auto;
    aspect-ratio: 1/1.1;
  }
  .contact form {
    grid-template-columns: 1fr;
  }
  .contact label:nth-child(4),.submit-btn,.form-note {
    grid-column: auto;
  }
  .request-result {
    grid-column: 1;
  }
  footer {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer-links {
    justify-content: flex-start;
    margin-top: 24px;
  }
}

@media(max-width:520px) {
  .brand-en {
    display: none;
  }
  .hero-copy {
    font-size: .95rem;
  }
  .hero-index {
    display: none;
  }
  .manifesto h2,.collection h2,.service h2,.process h2,.contact h2 {
    font-size: 2.35rem;
  }
  .filter {
    width: 100%;
    overflow: auto;
  }
  .product-meta {
    left: 18px;
  }
  .product-meta h3 {
    font-size: 1.35rem;
  }
  .product-action {
    right: 15px;
  }
  .process-content {
    padding: 85px 6vw;
  }
  .contact {
    gap: 45px;
  }
}
