:root {
  color-scheme: light;
  --ink: #231812;
  --ink-soft: #4d3a2d;
  --paper: #eee7da;
  --paper-2: #f7f0e4;
  --paper-3: #ddd1bf;
  --copper: #a45f32;
  --gold: #c99036;
  --jade: #38645b;
  --line: rgba(35, 24, 18, 0.16);
  --line-dark: rgba(238, 231, 218, 0.18);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(238, 231, 218, 0.9), rgba(238, 231, 218, 0.9)),
    url("./assets/optimized/parchment.jpeg") center / cover fixed;
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(35, 24, 18, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 24, 18, 0.05) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.38;
}

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

img {
  display: block;
  width: 100%;
}

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

h1,
h2,
h3 {
  font-family: "Songti SC", "STSong", serif;
  letter-spacing: 0;
}

p {
  color: rgba(35, 24, 18, 0.74);
  font-size: 17px;
  line-height: 1.86;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 48px);
  color: var(--ink);
  background:
    linear-gradient(rgba(247, 240, 228, 0.86), rgba(247, 240, 228, 0.68)),
    url("./assets/optimized/parchment.jpeg") center / cover;
  border-bottom: 1px solid rgba(35, 24, 18, 0.1);
  backdrop-filter: blur(10px);
}

.brand {
  font-family: "Songti SC", "STSong", serif;
  font-size: 22px;
  font-weight: 800;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: rgba(35, 24, 18, 0.64);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
  border-color: var(--gold);
}

.kicker {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(35, 24, 18, 0.18);
  background:
    linear-gradient(rgba(247, 240, 228, 0.64), rgba(247, 240, 228, 0.64)),
    url("./assets/optimized/parchment.jpeg") center / cover;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(35, 24, 18, 0.12);
}

.button--solid {
  background: var(--gold);
  border-color: var(--gold);
  color: #25180f;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: clamp(28px, 5vw, 76px);
  overflow: hidden;
  padding: 108px clamp(18px, 5vw, 64px) 34px;
  background:
    linear-gradient(90deg, rgba(24, 16, 11, 0.92), rgba(24, 16, 11, 0.62) 42%, rgba(24, 16, 11, 0.18) 76%),
    linear-gradient(0deg, rgba(24, 16, 11, 0.78), rgba(24, 16, 11, 0.12) 44%, rgba(24, 16, 11, 0.18)),
    url("./assets/optimized/mogao-hero-wutai.jpg") center / cover,
    url("./assets/optimized/parchment.jpeg") center / cover;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  display: none;
}

.hero::after {
  right: clamp(22px, 5vw, 70px);
  bottom: clamp(50px, 7vw, 96px);
  width: min(42vw, 560px);
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(180deg, rgba(247, 240, 228, 0), rgba(247, 240, 228, 0.08)),
    url("./assets/optimized/mogao-hero-buddha.jpg") center / cover;
  border: 12px solid rgba(247, 240, 228, 0.72);
  box-shadow: 0 36px 94px rgba(0, 0, 0, 0.42);
  filter: saturate(1.16) contrast(1.08);
  opacity: 0.98;
}

.hero__image,
.hero__shade {
  display: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: clamp(28px, 4vw, 54px) 0 clamp(40px, 7vw, 92px);
}

.hero__content::before {
  content: "INVESTMENT DECK";
  display: inline-block;
  margin-bottom: 24px;
  padding: 8px 10px;
  border: 1px solid rgba(247, 240, 228, 0.22);
  background: rgba(24, 16, 11, 0.28);
  color: var(--copper);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

h1 {
  margin-bottom: 22px;
  color: var(--paper-2);
  font-size: clamp(72px, 9.6vw, 146px);
  line-height: 0.9;
  font-weight: 900;
  white-space: nowrap;
}

.hero__line {
  width: min(680px, 100%);
  color: rgba(247, 240, 228, 0.86);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.7;
  font-weight: 650;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.fact-strip {
  position: relative;
  z-index: 3;
  grid-column: 1 / -1;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(35, 24, 18, 0.16);
  background: rgba(35, 24, 18, 0.1);
}

.fact-strip div {
  min-height: 92px;
  padding: 18px;
  background:
    linear-gradient(rgba(255, 252, 244, 0.72), rgba(255, 252, 244, 0.72)),
    url("./assets/optimized/parchment.jpeg") center / cover;
  border-right: 1px solid rgba(35, 24, 18, 0.12);
}

.fact-strip div:last-child {
  border-right: 0;
}

.fact-strip dt {
  margin-bottom: 8px;
  color: rgba(35, 24, 18, 0.56);
  font-size: 12px;
  font-weight: 800;
}

.fact-strip dd {
  margin: 0;
  color: var(--ink);
  font-size: clamp(20px, 2.2vw, 31px);
  font-weight: 900;
}

.section-pad {
  position: relative;
  padding: clamp(82px, 10vw, 142px) clamp(18px, 5vw, 64px);
}

.section-heading {
  position: relative;
  width: min(var(--max), 100%);
  margin: 0 auto clamp(36px, 6vw, 74px);
  display: block;
}

.section-heading::after {
  content: "";
  display: block;
  width: min(640px, 62%);
  height: 1px;
  margin-top: 28px;
  background: var(--line);
}

.section-heading h2 {
  margin: 0;
  max-width: min(100%, 960px);
  color: inherit;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.08;
  font-weight: 900;
}

#intro-title,
#story-title,
#market-title {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(34px, 3.8vw, 52px);
}

.intro,
.value,
.team,
.cooperation {
  color: var(--paper-2);
  background:
    linear-gradient(rgba(35, 24, 18, 0.9), rgba(35, 24, 18, 0.88)),
    url("./assets/optimized/parchment.jpeg") center / cover fixed;
}

.intro p,
.value p,
.team p,
.cooperation p,
.support-panel p,
.coop-card p {
  color: rgba(247, 240, 228, 0.78);
}

.intro .kicker,
.value .kicker,
.team .kicker,
.cooperation .kicker {
  color: var(--gold);
}

.intro__grid,
.market__layout,
.team__grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
}

.intro__copy {
  position: relative;
  padding: 30px 0 30px clamp(20px, 3vw, 34px);
  border-left: 3px solid var(--gold);
}

.intro__poster,
.value__media {
  min-height: clamp(380px, 45vw, 640px);
  border: 12px solid rgba(247, 240, 228, 0.78);
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.24);
  filter: sepia(0.16) saturate(0.84);
}

.intro__poster {
  background:
    linear-gradient(rgba(238, 231, 218, 0.08), rgba(238, 231, 218, 0.24)),
    url("./assets/optimized/mogao-intro-musicians.jpg") center / cover,
    url("./assets/optimized/parchment.jpeg") center / cover;
  filter: saturate(1.05) contrast(1.04);
}

.story,
.market,
.timeline {
  background:
    linear-gradient(rgba(247, 240, 228, 0.9), rgba(247, 240, 228, 0.92)),
    url("./assets/optimized/parchment.jpeg") center / cover fixed;
}

.story-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(35, 24, 18, 0.16);
  border-left: 1px solid rgba(35, 24, 18, 0.16);
}

.story-card {
  min-height: 420px;
  padding: clamp(24px, 3vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(rgba(255, 252, 244, 0.52), rgba(255, 252, 244, 0.52)),
    url("./assets/optimized/parchment.jpeg") center / cover;
  border-right: 1px solid rgba(35, 24, 18, 0.16);
  border-bottom: 1px solid rgba(35, 24, 18, 0.16);
}

.story-card span {
  color: var(--copper);
  font-family: Georgia, serif;
  font-size: 58px;
  font-weight: 900;
}

.story-card h3 {
  margin: auto 0 20px;
  color: var(--ink);
  font-size: 31px;
}

.story-card p,
.market p,
.timeline span {
  color: rgba(35, 24, 18, 0.72);
}

.value {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(56px, 7vw, 86px) clamp(18px, 5vw, 64px);
}

.value__media {
  margin: 0;
  background:
    linear-gradient(rgba(238, 231, 218, 0.08), rgba(238, 231, 218, 0.18)),
    url("./assets/mural.jpeg") center / cover,
    url("./assets/optimized/parchment.jpeg") center / cover;
}

.value__content {
  max-width: 560px;
}

.value__content h2 {
  margin-bottom: 24px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.08;
}

.value-list {
  display: grid;
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.value-list li {
  position: relative;
  padding: 18px 0 18px 24px;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(247, 240, 228, 0.84);
  font-weight: 700;
}

.value-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 8px;
  height: 8px;
  background: var(--jade);
}

.market__layout {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}

.audience {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.audience span {
  padding: 9px 12px;
  border: 1px solid rgba(35, 24, 18, 0.18);
  background:
    linear-gradient(rgba(255, 252, 244, 0.58), rgba(255, 252, 244, 0.58)),
    url("./assets/optimized/parchment.jpeg") center / cover;
  font-size: 14px;
  font-weight: 850;
}

.reference-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  align-items: end;
}

.reference-wall figure,
.cast-grid figure {
  margin: 0;
}

.reference-wall img {
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 7px solid rgba(247, 240, 228, 0.78);
  box-shadow: 0 18px 34px rgba(35, 24, 18, 0.18);
  filter: sepia(0.12) saturate(0.86);
}

.reference-wall figure:nth-child(even) {
  transform: translateY(24px);
}

.team__grid {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  margin-bottom: clamp(44px, 7vw, 86px);
}

.support-panel,
.coop-card {
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid rgba(247, 240, 228, 0.2);
  background:
    linear-gradient(rgba(35, 24, 18, 0.76), rgba(35, 24, 18, 0.76)),
    url("./assets/optimized/parchment.jpeg") center / cover;
}

.support-panel h3,
.coop-card h3 {
  color: var(--gold);
  font-size: 24px;
}

.cast-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 12px;
}

.cast-grid img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 5px solid rgba(247, 240, 228, 0.76);
  filter: sepia(0.1) saturate(0.9);
}

.cast-grid figcaption {
  padding-top: 10px;
  color: rgba(247, 240, 228, 0.8);
  font-size: 14px;
  text-align: center;
}

.timeline-list {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid rgba(164, 95, 50, 0.46);
}

.timeline-list li {
  position: relative;
  padding: 30px 24px 0 0;
}

.timeline-list li::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 14px;
  height: 14px;
  background: var(--copper);
}

.timeline-list time,
.timeline-list strong,
.timeline-list span {
  display: block;
}

.timeline-list time {
  color: var(--copper);
  font-size: 14px;
  font-weight: 900;
}

.timeline-list strong {
  margin: 16px 0 8px;
  color: var(--ink);
  font-size: 23px;
}

.cooperation {
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(35, 24, 18, 0.9), rgba(35, 24, 18, 0.78)),
    url("./assets/optimized/hero.jpg") center / cover,
    url("./assets/optimized/parchment.jpeg") center / cover;
}

.coop-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.coop-card {
  min-height: 240px;
}

.final-call {
  width: min(var(--max), 100%);
  margin: clamp(48px, 7vw, 84px) auto 0;
  padding-top: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line-dark);
}

.final-call p {
  margin: 0;
  max-width: 750px;
  color: var(--paper-2);
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(26px, 3.8vw, 48px);
  line-height: 1.25;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero,
  .value,
  .intro__grid,
  .market__layout,
  .team__grid {
    grid-template-columns: 1fr;
  }

  .hero::after {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100%, 760px);
    grid-row: 2;
    margin: 0 auto;
  }

  .fact-strip,
  .story-grid,
  .timeline-list,
  .coop-grid,
  .cast-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reference-wall {
    grid-template-columns: repeat(5, minmax(96px, 1fr));
    overflow-x: auto;
    padding-bottom: 20px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .hero {
    min-height: auto;
    gap: 22px;
    padding: 82px 16px 26px;
  }

  .hero::before {
    inset: 66px 12px 24px;
  }

  .hero::after {
    width: min(100%, 430px);
    aspect-ratio: 4 / 4.75;
    border-width: 8px;
    box-shadow: 0 24px 52px rgba(0, 0, 0, 0.38);
  }

  .hero__content {
    padding: 18px 0 8px;
  }

  .hero__content::before {
    margin-bottom: 16px;
    padding: 7px 8px;
    font-size: 10px;
  }

  h1 {
    margin-bottom: 16px;
    font-size: clamp(54px, 18vw, 76px);
  }

  #intro-title,
  #story-title,
  #market-title {
    font-size: clamp(27px, 8.4vw, 38px);
    line-height: 1.16;
    white-space: normal;
  }

  .hero__line,
  p {
    font-size: 16px;
  }

  .hero__actions {
    margin-top: 24px;
  }

  .hero__actions,
  .final-call {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section-pad {
    padding: 58px 16px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    margin-bottom: 28px;
  }

  .section-heading::after {
    display: none;
  }

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

  .fact-strip div {
    min-height: 76px;
    padding: 14px 12px;
  }

  .fact-strip div:nth-child(2n) {
    border-right: 0;
  }

  .fact-strip div:nth-child(n + 3) {
    border-top: 1px solid rgba(35, 24, 18, 0.12);
  }

  .fact-strip dd {
    font-size: clamp(19px, 6vw, 25px);
  }

  .story-grid,
  .coop-grid,
  .cast-grid {
    grid-template-columns: 1fr;
  }

  .intro__grid,
  .market__layout,
  .team__grid {
    gap: 24px;
  }

  .intro__copy {
    padding: 20px 0 20px 18px;
  }

  .intro__poster,
  .value__media {
    min-height: auto;
    aspect-ratio: 4 / 3.2;
    border-width: 8px;
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.22);
  }

  .story-card {
    min-height: auto;
    gap: 24px;
    padding: 22px;
  }

  .story-card span {
    font-size: 48px;
  }

  .reference-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
  }

  .reference-wall figure:nth-child(even) {
    transform: none;
  }

  .reference-wall img {
    border-width: 5px;
  }

  .cast-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .cast-grid img {
    border-width: 4px;
  }

  .cast-grid figcaption {
    font-size: 12px;
  }

  .timeline-list {
    display: block;
    padding-left: 18px;
    border-top: 0;
    border-left: 2px solid rgba(164, 95, 50, 0.42);
  }

  .timeline-list li {
    padding: 0 0 26px 22px;
  }

  .timeline-list li:last-child {
    padding-bottom: 0;
  }

  .timeline-list li::before {
    top: 3px;
    left: -25px;
    width: 12px;
    height: 12px;
  }

  .timeline-list strong {
    margin: 8px 0 6px;
    font-size: 21px;
  }

  .support-panel,
  .coop-card {
    padding: 22px;
  }

  .coop-card {
    min-height: auto;
  }
}