:root {
  color-scheme: dark;
  --ink: #f5efe8;
  --muted: #b9aaa0;
  --line: rgba(245, 239, 232, 0.16);
  --panel: rgba(18, 16, 17, 0.72);
  --black: #080708;
  --red: #8c1f2c;
  --red-bright: #c23a45;
  --gold: #c8a767;
  --steel: #7f8891;
  --page: min(1440px, 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: #fff;
  background: var(--red);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 18px clamp(20px, 5.7vw, 82px);
  border-bottom: 1px solid rgba(245, 239, 232, 0.1);
  background: rgba(8, 7, 8, 0.72);
  backdrop-filter: blur(20px) saturate(1.2);
}

.brand,
nav,
.hero-actions,
.age-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 13px;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--gold);
  color: var(--gold);
}

nav {
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 13px;
}

nav a {
  position: relative;
  padding: 8px 0;
}

nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 240ms ease;
}

nav a:hover::after {
  transform: scaleX(1);
}

nav a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 94svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px clamp(20px, 6vw, 82px) 92px;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center 44%;
  filter: saturate(0.82) contrast(1.08);
  transform: scale(1.015);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 7, 8, 0.94) 0%, rgba(8, 7, 8, 0.68) 45%, rgba(8, 7, 8, 0.13) 100%),
    linear-gradient(0deg, rgba(8, 7, 8, 0.98) 0%, rgba(8, 7, 8, 0.02) 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
  margin-bottom: 28px;
  font-family: "Songti SC", "STSong", "SimSun", serif;
}

.hero-brand {
  color: #fffaf4;
  font-size: clamp(70px, 10vw, 132px);
  font-weight: 500;
  line-height: 0.9;
  text-shadow: 0 12px 44px rgba(0, 0, 0, 0.45);
}

.hero-line {
  color: #e5d5c8;
  font-family: "Inter", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(23px, 3vw, 42px);
  font-weight: 400;
  line-height: 1.2;
}

.hero-index {
  position: absolute;
  right: clamp(20px, 6vw, 82px);
  bottom: 30px;
  left: clamp(20px, 6vw, 82px);
  z-index: 1;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(245, 239, 232, 0.22);
  padding-top: 13px;
  color: rgba(245, 239, 232, 0.58);
  font-size: 10px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 650px;
  color: #dfd3ca;
  font-size: clamp(16px, 2vw, 20px);
}

.button {
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 11px 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.button.primary {
  border-color: transparent;
  background: #a92735;
  color: #fff7f3;
  font-weight: 700;
}

.button {
  transition: background 220ms ease, border-color 220ms ease, transform 220ms ease;
}

.button:hover {
  border-color: rgba(200, 167, 103, 0.68);
  transform: translateY(-1px);
}

.button.ghost,
.button.subtle {
  background: rgba(8, 7, 8, 0.48);
}

.hero-actions,
.age-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.intro,
.services,
.safety,
.showcase,
.mood-gallery,
.reference-wall,
.image-strip,
.city-band,
.join,
.contact,
.metrics {
  padding: clamp(58px, 8vw, 106px) clamp(20px, 6vw, 82px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 7vw, 100px);
  align-items: start;
  border-top: 1px solid rgba(200, 167, 103, 0.18);
  background: #0d0b0c;
}

.intro > p {
  color: var(--muted);
  font-size: 19px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 0;
  background: #0d0b0c;
}

.metrics div {
  border-top: 1px solid var(--line);
  padding: 28px 22px 0 0;
}

.metrics strong {
  display: block;
  color: var(--gold);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
}

.metrics span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.mood-gallery {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  grid-auto-rows: minmax(260px, auto);
  gap: 2px;
  background: #0d0b0c;
  padding-top: 0;
}

.mood-card {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #0b090a;
}

.mood-card.tall {
  grid-row: span 2;
  min-height: 574px;
}

.mood-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.mood-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 7, 8, 0.02), rgba(8, 7, 8, 0.78)),
    linear-gradient(90deg, rgba(8, 7, 8, 0.42), rgba(8, 7, 8, 0));
}

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

.mood-card div {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  z-index: 1;
}

.mood-card span {
  display: inline-flex;
  margin-bottom: 10px;
  border: 0;
  border-left: 1px solid var(--gold);
  border-radius: 0;
  padding: 2px 0 2px 10px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.mood-card h2,
.mood-card h3 {
  max-width: 620px;
  margin-bottom: 0;
}

.reference-wall {
  background: #121011;
  padding-top: clamp(58px, 8vw, 96px);
}

.reference-wall .section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(300px, 1fr);
  align-items: end;
  max-width: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

.reference-wall .section-heading .eyebrow,
.reference-wall .section-heading h2 {
  margin-bottom: 0;
}

.reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(300px, 0.68fr);
  grid-template-rows: repeat(2, minmax(240px, 1fr));
  gap: 4px;
  min-height: clamp(620px, 72vw, 860px);
}

.reference-grid figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #090708;
}

.reference-grid img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.1) saturate(0.76) brightness(0.88);
  transition: filter 500ms ease, transform 800ms ease;
}

.reference-feature {
  grid-row: 1 / 3;
}

.reference-feature img {
  object-position: center 48%;
}

.reference-grid figcaption {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: clamp(22px, 3vw, 42px);
  color: var(--ink);
  background: linear-gradient(180deg, transparent 44%, rgba(8, 7, 8, 0.84) 100%);
}

.reference-grid figcaption span {
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.reference-grid figcaption strong {
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.08;
}

.reference-secondary figcaption strong {
  font-size: clamp(22px, 2.2vw, 32px);
}

.reference-grid figure:hover img {
  filter: contrast(1.08) saturate(0.9) brightness(0.96);
  transform: scale(1.025);
}

.services {
  background: #121011;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article,
.feature,
.age-panel {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
}

.service-grid article {
  min-height: 260px;
  padding: 28px;
  transition: background 240ms ease, border-color 240ms ease;
}

.service-grid article:hover {
  border-color: rgba(200, 167, 103, 0.42);
  background: rgba(35, 28, 30, 0.92);
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border: 1px solid rgba(200, 167, 103, 0.46);
  color: var(--gold);
}

.service-grid p,
.feature p,
.safety p,
footer,
form {
  color: var(--muted);
}

.city-band {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(300px, 0.86fr);
  gap: clamp(30px, 7vw, 94px);
  align-items: center;
  background: #110d0e;
}

.city-band p {
  color: var(--muted);
  font-size: 18px;
}

.city-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.city-list span {
  display: grid;
  min-height: 72px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.025);
  color: #dfd3ca;
}

.image-strip {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2px;
  padding-top: 0;
  background: #110d0e;
}

.image-strip figure {
  position: relative;
  min-height: 180px;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #0b090a;
}

.image-strip img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  max-height: 280px;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.03);
}

.image-strip figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 7, 8, 0), rgba(8, 7, 8, 0.72));
}

.image-strip figcaption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 1;
  color: var(--ink);
  font-size: clamp(20px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.15;
}

.safety {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 92px);
  background: linear-gradient(135deg, #090809 0%, #211012 58%, #171b1d 100%);
}

.protocol-list {
  border-top: 1px solid var(--line);
}

.protocol-list div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.protocol-list span {
  color: var(--gold);
  font-weight: 700;
}

.protocol-list p {
  margin: 0;
}

.showcase {
  background: #0d0b0c;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-auto-rows: minmax(210px, auto);
  gap: 14px;
}

.join {
  background: #0d0b0c;
}

.join-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-auto-rows: minmax(210px, auto);
  gap: 14px;
}

.feature {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background:
    linear-gradient(160deg, rgba(194, 58, 69, 0.2), rgba(127, 136, 145, 0.1)),
    var(--panel);
}

.feature.large {
  grid-row: span 2;
  min-height: 454px;
  background:
    linear-gradient(150deg, rgba(140, 31, 44, 0.5), rgba(8, 7, 8, 0.34)),
    url("assets/allure-detail.png") center / cover;
}

.feature span {
  width: fit-content;
  margin-bottom: auto;
  border: 1px solid rgba(200, 167, 103, 0.44);
  padding: 6px 10px;
  color: var(--gold);
  font-size: 12px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 560px);
  gap: clamp(30px, 8vw, 100px);
  align-items: start;
  border-top: 1px solid rgba(200, 167, 103, 0.2);
  background: #121011;
}

form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 12px 13px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  outline: none;
  box-shadow: 0 0 0 1px rgba(200, 167, 103, 0.2);
}

textarea {
  resize: vertical;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(20px, 6vw, 82px);
  border-top: 1px solid var(--line);
  background: #080708;
  font-size: 14px;
}

.age-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    linear-gradient(rgba(8, 7, 8, 0.72), rgba(8, 7, 8, 0.9)),
    url("assets/hero.png") center / cover;
}

.age-gate.is-hidden {
  display: none;
}

.age-panel {
  width: min(520px, 100%);
  padding: clamp(26px, 5vw, 42px);
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.46);
  backdrop-filter: blur(22px);
}

.age-panel h1 {
  font-size: clamp(30px, 7vw, 48px);
}

body.gate-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  .intro,
  .city-band,
  .safety,
  .contact {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 94svh;
    padding-top: 170px;
  }

  .hero-index {
    display: none;
  }

  .service-grid,
  .metrics,
  .mood-gallery,
  .reference-grid,
  .image-strip,
  .showcase-grid,
  .join-grid {
    grid-template-columns: 1fr;
  }

  .reference-wall .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .reference-grid {
    grid-template-rows: 440px 240px 240px;
    min-height: auto;
  }

  .reference-feature {
    grid-row: auto;
  }

  .city-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature.large {
    grid-row: auto;
    min-height: 320px;
  }

  .mood-card.tall {
    grid-row: auto;
    min-height: 420px;
  }

  footer {
    flex-direction: column;
  }
}