:root {
  --ink: #12100e;
  --ink-soft: #2a2622;
  --paper: #f2eee7;
  --mist: #cfc7ba;
  --taupe: #8b867e;
  --brass: #b59a6a;
  --veil: rgba(10, 9, 8, 0.52);
  --display: "Songti SC", "STSong", "SimSun", "Noto Serif SC", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--paper);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  background: linear-gradient(to bottom, rgba(10, 9, 8, 0.55), transparent);
  transition: background 0.35s ease, backdrop-filter 0.35s ease;
}

.nav.is-solid {
  background: rgba(18, 16, 14, 0.88);
  backdrop-filter: blur(10px);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}

.nav-mark {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.nav-word {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: clamp(0.9rem, 2.5vw, 1.75rem);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: none;
}

.nav-links a {
  text-decoration: none;
  color: rgba(242, 238, 231, 0.82);
  transition: color 0.25s ease;
}
.nav-links a:hover { color: #fff; }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-veil {
  position: absolute;
  inset: 0;
}

.hero-media { z-index: 0; overflow: hidden; }

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  transform: scale(1.06);
  animation: kenburns 18s ease-out forwards;
}

.hero-veil {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10, 9, 8, 0.28) 0%, rgba(10, 9, 8, 0.18) 35%, rgba(10, 9, 8, 0.78) 100%),
    linear-gradient(90deg, rgba(10, 9, 8, 0.45) 0%, transparent 55%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: clamp(5.5rem, 12vh, 8rem) clamp(1.25rem, 5vw, 4.5rem) clamp(4.5rem, 10vh, 7rem);
  max-width: 920px;
}

.hero-brand {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.6rem, 11vw, 7.2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 0.92;
  text-transform: uppercase;
  animation: rise 1s ease both;
}

.hero-cn {
  margin: 0.55rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.55em;
  font-weight: 500;
  opacity: 0.92;
  animation: rise 1s ease 0.08s both;
}

.hero-line {
  margin: 1.6rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: 0.28em;
  font-weight: 400;
  animation: rise 1s ease 0.16s both;
}

.hero-sub {
  margin: 0.7rem 0 0;
  max-width: 28rem;
  color: rgba(242, 238, 231, 0.78);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  animation: rise 1s ease 0.22s both;
}

.hero-cta {
  margin-top: 2rem;
  animation: rise 1s ease 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1.4rem;
  border: 1px solid rgba(242, 238, 231, 0.85);
  background: transparent;
  color: #fff;
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.btn:hover {
  background: #fff;
  color: var(--ink);
  transform: translateY(-1px);
}

.hero-scroll {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 1px solid rgba(242, 238, 231, 0.45);
  border-radius: 999px;
  display: grid;
  place-items: center;
  text-decoration: none;
}
.hero-scroll span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
  animation: drip 1.6s ease-in-out infinite;
}

/* ---------- Sections ---------- */
.section-head {
  max-width: 42rem;
  margin: 0 auto 3rem;
  padding: 0 clamp(1.25rem, 5vw, 4rem);
  text-align: left;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--brass);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.section-head h2,
.about h2,
.contact h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: 0.18em;
}

.section-lead {
  margin: 1rem 0 0;
  color: var(--mist);
  font-size: 1rem;
  max-width: 34rem;
}

/* ---------- Works ---------- */
.works {
  padding: clamp(4.5rem, 10vh, 7rem) 0 2rem;
  background: var(--ink);
}

.work {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.work-link {
  display: grid;
  gap: 0;
  color: inherit;
  text-decoration: none;
}

@media (min-width: 900px) {
  .work-link {
    grid-template-columns: 1.35fr 0.85fr;
    align-items: stretch;
    min-height: min(78vh, 720px);
  }
  .work-flip .work-link { grid-template-columns: 0.85fr 1.35fr; }
  .work-flip .work-figure { order: 2; }
}

.work-figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink-soft);
  min-height: 52vw;
}
@media (min-width: 900px) {
  .work-figure { min-height: 100%; }
}

.work-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}
.work:hover .work-figure img { transform: scale(1.03); }

.work-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.75rem, 4vw, 3.25rem);
  background: #191612;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
@media (min-width: 900px) {
  .work-meta { border-top: 0; border-left: 1px solid rgba(255, 255, 255, 0.06); }
  .work-flip .work-meta { border-left: 0; border-right: 1px solid rgba(255, 255, 255, 0.06); }
}

.work-type {
  margin: 0 0 0.75rem;
  color: var(--brass);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.work-meta h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.35;
}

.work-meta p:last-child {
  margin: 1rem 0 0;
  color: var(--mist);
  font-size: 0.95rem;
  max-width: 28rem;
}

.work-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 0 clamp(0.35rem, 1vw, 0.5rem) clamp(3rem, 8vh, 5rem);
}
@media (min-width: 760px) {
  .work-strip { grid-template-columns: repeat(3, 1fr); }
}
.work-strip figure {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--ink-soft);
}
.work-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}
.work-strip figure:hover img { transform: scale(1.04); }

/* ---------- Approach ---------- */
.approach {
  padding: clamp(4.5rem, 10vh, 7rem) 0;
  background:
    radial-gradient(800px 420px at 10% 0%, rgba(181, 154, 106, 0.12), transparent 60%),
    #16130f;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.pillars {
  list-style: none;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 4rem);
  max-width: 1100px;
  display: grid;
  gap: 1.75rem;
}
@media (min-width: 860px) {
  .pillars { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.pillars li {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.pillars .num {
  display: block;
  margin-bottom: 1rem;
  color: var(--taupe);
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
}

.pillars h3 {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.pillars p {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
}

/* ---------- About / Contact ---------- */
.about {
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 5vw, 4rem);
  background:
    linear-gradient(180deg, rgba(18, 16, 14, 0.2), rgba(18, 16, 14, 0.78)),
    url("assets/work-hotel-2.jpg") center / cover no-repeat;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.about-layout {
  max-width: 68rem;
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}
@media (min-width: 900px) {
  .about-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: end;
  }
}

.about-inner {
  max-width: 40rem;
}

.about p {
  margin: 1.1rem 0 0;
  color: rgba(242, 238, 231, 0.86);
  font-size: 1.02rem;
}

.director {
  padding: 1.6rem 1.5rem 1.75rem;
  background: rgba(14, 12, 10, 0.72);
  border: 1px solid rgba(181, 154, 106, 0.28);
  backdrop-filter: blur(8px);
}

.director-role {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

.director-name {
  margin: 0.45rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 2.35rem);
  font-weight: 500;
  letter-spacing: 0.16em;
}

.director-exp {
  margin: 0.55rem 0 0;
  color: rgba(242, 238, 231, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.director p {
  margin: 0.95rem 0 0;
  color: rgba(242, 238, 231, 0.86);
  font-size: 0.95rem;
  line-height: 1.75;
}

.contact {
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 5vw, 4rem);
  background: #0e0c0a;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-inner { max-width: 36rem; }

.contact-lead {
  margin: 1.2rem 0 0;
  color: var(--mist);
}

.contact-mail {
  display: inline-block;
  margin-top: 1.6rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid rgba(181, 154, 106, 0.55);
  color: var(--brass);
  transition: color 0.25s ease;
}
.contact-mail:hover { color: #d4bf94; }

.contact-company,
.contact-domain {
  margin: 1rem 0 0;
  color: rgba(242, 238, 231, 0.55);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 1.5rem clamp(1.25rem, 5vw, 4rem) 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(242, 238, 231, 0.45);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.foot-brand {
  font-family: var(--display);
  letter-spacing: 0.14em;
  opacity: 0.7;
}
.foot p { margin: 0; }

/* ---------- Motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kenburns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

@keyframes drip {
  0%, 100% { transform: translateY(-8px); opacity: 0.2; }
  50% { transform: translateY(8px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-img { animation: none; transform: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-brand,
  .hero-cn,
  .hero-line,
  .hero-sub,
  .hero-cta { animation: none; }
  .hero-scroll span { animation: none; }
}

/* ---------- Work cards as links ---------- */
.work-more {
  margin-top: 1.25rem;
  color: var(--brass);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}
.work-strip a {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* ---------- Boutique cases ---------- */
.cases-head {
  margin-top: clamp(2.5rem, 6vh, 4rem);
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  padding: 0 clamp(0.85rem, 3vw, 2rem) clamp(3rem, 8vh, 5rem);
}
@media (min-width: 720px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
}

.case-card {
  background: #16130f;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.case-card figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-soft);
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}

.case-card:hover img { transform: scale(1.04); }

.case-meta {
  padding: 1.1rem 1.15rem 1.35rem;
}

.case-loc {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.case-meta h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.case-meta p:last-child {
  margin: 0.55rem 0 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---------- Work detail pages ---------- */
.page-work { background: var(--ink); }

.work-hero {
  position: relative;
  min-height: min(78vh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
}
.work-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.work-hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 9, 8, 0.35), rgba(10, 9, 8, 0.82));
}
.work-hero-copy {
  position: relative;
  z-index: 1;
  padding: 7rem clamp(1.25rem, 5vw, 4rem) 3rem;
  max-width: 820px;
}
.work-hero-copy h1 {
  margin: 0.4rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.25;
}
.work-hero-copy p:last-child {
  margin: 1rem 0 0;
  color: rgba(242, 238, 231, 0.8);
  max-width: 34rem;
}

.work-body {
  display: grid;
  gap: 2.5rem;
  padding: clamp(3rem, 8vh, 5rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .work-body {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: start;
  }
}
.work-body-text h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}
.work-body-text > p {
  margin: 1rem 0 0;
  color: var(--mist);
}
.work-facts {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.work-facts li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(242, 238, 231, 0.86);
  font-size: 0.95rem;
}
.work-facts span {
  color: var(--taupe);
  letter-spacing: 0.08em;
}
.work-back {
  margin-top: 1.75rem !important;
}
.work-back a {
  color: var(--brass);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.work-gallery {
  display: grid;
  gap: 1rem;
}
.work-gallery figure { margin: 0; }
.work-gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--ink-soft);
}
.work-gallery figcaption {
  margin-top: 0.55rem;
  color: rgba(242, 238, 231, 0.5);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.work-spaces {
  padding: 0 0 clamp(2rem, 5vh, 3.5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.work-spaces .section-head {
  margin-top: clamp(2.5rem, 6vh, 4rem);
}

.work-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 0 clamp(1.25rem, 5vw, 4rem);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 760px) {
  .work-mosaic { grid-template-columns: repeat(2, 1fr); }
}
.work-mosaic figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink-soft);
}
.work-mosaic figure.wide {
  grid-column: 1 / -1;
}
.work-mosaic img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 1s ease;
}
.work-mosaic figure:hover img { transform: scale(1.03); }
.work-mosaic figcaption {
  padding: 0.65rem 0.15rem 0.2rem;
  color: rgba(242, 238, 231, 0.5);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.work-next {
  display: grid;
  gap: 0.75rem;
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(4rem, 8vh, 6rem);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 760px) {
  .work-next { grid-template-columns: 1.2fr 0.8fr; }
}
.work-next a {
  display: block;
  padding: 1.4rem 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #171410;
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.work-next a:hover {
  border-color: rgba(181, 154, 106, 0.45);
  background: #1d1914;
}
.work-next strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}