:root {
  color-scheme: light;
  --forest: #17221c;
  --forest-deep: #0f1713;
  --forest-soft: #223128;
  --paper: #f3ede4;
  --paper-light: #fbf7f1;
  --paper-deep: #ded0c0;
  --ink: #281b16;
  --ink-soft: #69594e;
  --earth: #8b4c35;
  --gold: #c4a173;
  --cream: #eee4d3;
  --line: rgba(40, 27, 22, 0.18);
  --line-light: rgba(238, 228, 211, 0.2);
  --shell: min(1240px, calc(100vw - 96px));
  --serif: "Songti SC", STSong, "Noto Serif CJK SC", "Source Han Serif SC", SimSun, ui-serif, serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

figure,
h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

a {
  color: inherit;
}

.page-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-space {
  padding-block: clamp(96px, 11vw, 168px);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: #fff;
  background: #111;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  color: var(--cream);
  border-bottom: 1px solid var(--line-light);
  background: linear-gradient(180deg, rgba(11, 17, 14, 0.56), transparent);
}

.site-header__inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-decoration: none;
}

.site-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.site-nav a,
.site-footer nav a {
  min-width: 48px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a {
  color: rgba(238, 228, 211, 0.72);
}

.site-nav a[aria-current="page"],
.site-nav a:hover,
.site-footer nav a:hover {
  color: var(--gold);
}

.hero {
  min-height: max(760px, 100svh);
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(520px, 1.1fr);
  color: var(--cream);
  background: var(--forest);
}

.hero__copy {
  position: relative;
  min-width: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 25%, rgba(157, 99, 67, 0.2), transparent 26rem),
    linear-gradient(145deg, var(--forest-soft), var(--forest-deep));
}

.hero__copy::before,
.hero__copy::after {
  position: absolute;
  content: "";
  width: 72vw;
  height: 28vw;
  left: -24vw;
  border: 1px solid rgba(238, 228, 211, 0.08);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.hero__copy::before {
  bottom: 5%;
}

.hero__copy::after {
  bottom: -4%;
  transform: rotate(-9deg);
}

.hero__copy-inner {
  position: relative;
  z-index: 2;
  width: min(520px, calc(100% - 96px));
  margin-left: max(48px, calc((100vw - 1240px) / 2));
  padding-block: 132px 72px;
}

.eyebrow,
.chapter {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.eyebrow--gold,
.chapter--gold {
  color: var(--gold);
}

.hero h1 {
  margin-top: 28px;
  font-family: var(--serif);
  font-size: clamp(64px, 6.2vw, 98px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0.05em;
}

.hero__statement {
  margin-top: 44px;
  color: rgba(238, 228, 211, 0.92);
  font-family: var(--serif);
  font-size: clamp(23px, 2.1vw, 32px);
  line-height: 1.65;
  letter-spacing: 0.05em;
}

.hero__lead {
  max-width: 25em;
  margin-top: 18px;
  color: rgba(238, 228, 211, 0.63);
  font-size: 14px;
  line-height: 2;
}

.text-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-decoration: none;
  transition: color 180ms ease;
}

.text-link:hover {
  color: var(--earth);
}

.text-link--light:hover {
  color: var(--gold);
}

.text-link > span:first-child {
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
}

.text-link__mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.hero__figure {
  position: relative;
  min-height: max(760px, 100svh);
  overflow: hidden;
  background: #8b604a;
}

.hero__figure::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(15, 23, 19, 0.2), transparent 28%),
    linear-gradient(90deg, rgba(15, 23, 19, 0.12), transparent 22%);
}

.hero__figure img {
  height: 100%;
  object-fit: cover;
  object-position: 50% 72%;
}

.hero__figure figcaption {
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 28px;
  color: rgba(255, 250, 242, 0.76);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.story {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 18%, rgba(170, 117, 74, 0.1), transparent 26rem),
    var(--paper);
}

.story__inner {
  padding-block: clamp(118px, 12vw, 176px);
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(72px, 10vw, 148px);
  align-items: start;
}

.story h2,
.section-heading h2,
.source-bridge h2,
.source h2,
.closing h2 {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(46px, 5.2vw, 76px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: 0.04em;
}

.story__body {
  max-width: 37em;
  padding-top: 40px;
}

.story__body p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2.2;
}

.story__body p + p {
  margin-top: 24px;
}

.story__body .story__lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.9;
}

.story__education {
  color: var(--cream);
  background:
    radial-gradient(circle at 82% 22%, rgba(139, 76, 53, 0.24), transparent 24rem),
    linear-gradient(145deg, var(--forest-soft), var(--forest-deep));
}

.story__education-inner {
  min-height: 610px;
  padding-block: clamp(108px, 11vw, 158px);
  display: grid;
  grid-template-columns: minmax(420px, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(72px, 9vw, 132px);
  align-items: end;
}

.story__education h2 {
  max-width: 10em;
  color: var(--cream);
}

.story__education-inner > p {
  max-width: 30em;
  padding-bottom: 9px;
  color: rgba(238, 228, 211, 0.68);
  font-size: 16px;
  line-height: 2.15;
}

.story__scope {
  padding-block: clamp(118px, 12vw, 176px);
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(560px, 1.28fr);
  gap: clamp(68px, 9vw, 130px);
  align-items: end;
}

.story__scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.story__scope-grid > div {
  min-height: 220px;
  padding: 32px 28px 30px;
  border-right: 1px solid var(--line);
}

.story__scope-grid > div:last-child {
  border-right: 0;
}

.story__scope-grid dt {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: 0.12em;
}

.story__scope-grid dt span {
  color: #9e8775;
  font-family: var(--sans);
  font-size: 10px;
}

.story__scope-grid dd {
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 2;
}

.story__principle {
  margin-bottom: clamp(98px, 11vw, 160px);
  padding: clamp(58px, 7vw, 88px);
  color: var(--cream);
  background:
    radial-gradient(circle at 80% 25%, rgba(139, 76, 53, 0.24), transparent 22rem),
    var(--forest);
}

.story__principle-head {
  display: grid;
  grid-template-columns: minmax(460px, 1.18fr) minmax(300px, 0.82fr);
  gap: clamp(64px, 8vw, 112px);
  align-items: end;
}

.story__principle h2 {
  color: var(--cream);
}

.story__principle-copy {
  max-width: 30em;
  padding-bottom: 8px;
}

.story__principle-copy p {
  color: rgba(238, 228, 211, 0.68);
  font-size: 15px;
  line-height: 2;
}

.story__principle-copy p + p {
  margin-top: 18px;
}

.story__principle-words {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-light);
}

.story__principle-words span {
  min-height: 88px;
  display: flex;
  align-items: end;
  padding: 20px 8px 0;
  color: rgba(238, 228, 211, 0.68);
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.16em;
  border-right: 1px solid var(--line-light);
}

.story__principle-words span:last-child {
  border-right: 0;
}

.method {
  background: var(--paper-light);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: 72px;
  align-items: end;
}

.section-heading > p {
  max-width: 31em;
  padding-bottom: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.method-gallery {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.12fr) minmax(0, 0.92fr);
  gap: clamp(18px, 2.4vw, 32px);
  align-items: start;
  margin-top: clamp(70px, 8vw, 112px);
}

.method-gallery__item--dry,
.method-gallery__item--leaf {
  margin-top: 68px;
}

.method-gallery__frame {
  position: relative;
  overflow: hidden;
  background: #9a6d55;
}

.method-gallery__item--dry .method-gallery__frame,
.method-gallery__item--leaf .method-gallery__frame {
  aspect-ratio: 4 / 5;
}

.method-gallery__item--pour .method-gallery__frame {
  aspect-ratio: 3 / 4;
}

.method-gallery img {
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.method-gallery__item:hover img {
  transform: scale(1.02);
}

.method-gallery__item--dry img {
  object-position: 50% 70%;
}

.method-gallery__item--pour img {
  object-position: 76% 58%;
  transform: scale(1.3);
  transform-origin: 76% 58%;
}

.method-gallery__item--pour:hover img {
  transform: scale(1.32);
}

.method-gallery__item--leaf img {
  object-position: 43% 51%;
}

.method-gallery figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.12em;
}

.method-gallery figcaption span {
  color: #9e8775;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.method-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(76px, 9vw, 128px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-points > div {
  min-height: 150px;
  padding: 28px 28px 26px;
  border-right: 1px solid var(--line);
}

.method-points > div:last-child {
  border-right: 0;
}

.method-points dt {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: 0.12em;
}

.method-points dt span {
  color: #9e8775;
  font-family: var(--sans);
  font-size: 10px;
}

.method-points dd {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.source-bridge {
  background:
    radial-gradient(circle at 82% 28%, rgba(170, 117, 74, 0.1), transparent 24rem),
    var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.source-bridge__inner {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(72px, 10vw, 150px);
  align-items: end;
}

.source-bridge__inner > p {
  max-width: 34em;
  padding-bottom: 14px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2.15;
}

.source {
  background:
    linear-gradient(180deg, var(--paper-deep), var(--paper) 55%),
    var(--paper);
}

.source__inner {
  display: grid;
  grid-template-columns: minmax(290px, 0.72fr) minmax(560px, 1.28fr);
  gap: clamp(60px, 8vw, 120px);
  align-items: center;
}

.source__copy {
  padding-bottom: 80px;
}

.source h2 span {
  color: var(--earth);
  font-size: 0.56em;
  letter-spacing: 0.18em;
}

.source__copy > p:not(.chapter) {
  max-width: 24em;
  margin-top: 34px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.source__images {
  position: relative;
  min-height: 650px;
}

.source__image {
  position: absolute;
  overflow: hidden;
  background: #74806b;
}

.source__image img {
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.source__image:hover img {
  transform: scale(1.015);
}

.source__image figcaption {
  position: absolute;
  right: 18px;
  bottom: 14px;
  padding: 7px 10px;
  color: rgba(255, 250, 242, 0.86);
  background: rgba(18, 28, 23, 0.62);
  font-size: 10px;
  letter-spacing: 0.12em;
  backdrop-filter: blur(5px);
}

.source__image--estate {
  top: 0;
  right: 0;
  width: 91%;
  aspect-ratio: 16 / 9;
}

.source__image--estate img {
  object-position: 48% 55%;
  filter: saturate(0.78) contrast(0.94) brightness(0.96);
}

.source__image--craft {
  bottom: 0;
  left: 0;
  width: 58%;
  aspect-ratio: 3 / 2;
  border: 12px solid var(--paper);
}

.source__image--craft img {
  object-position: 43% 52%;
  filter: saturate(0.88) contrast(0.96);
}

.source__teas {
  margin-top: clamp(90px, 10vw, 148px);
  padding-top: clamp(48px, 5vw, 70px);
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(420px, 1fr);
  gap: 72px;
  border-top: 1px solid var(--line);
}

.source__teas h3 {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(31px, 3vw, 44px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.05em;
}

.source__teas-copy {
  align-self: end;
}

.source__teas-copy > p {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.closing {
  position: relative;
  overflow: hidden;
  color: var(--cream);
  background:
    radial-gradient(circle at 78% 20%, rgba(139, 76, 53, 0.28), transparent 26rem),
    linear-gradient(145deg, var(--forest-soft), var(--forest-deep));
}

.closing::after {
  position: absolute;
  right: -14vw;
  bottom: -20vw;
  width: 64vw;
  height: 38vw;
  content: "";
  border: 1px solid rgba(238, 228, 211, 0.08);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.closing__inner {
  position: relative;
  z-index: 2;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-block: 110px;
}

.closing__inner > p:not(.chapter):not(.closing__slogan) {
  max-width: 30em;
  margin-top: 28px;
  color: rgba(238, 228, 211, 0.64);
  font-size: 15px;
  line-height: 2;
}

.closing__slogan {
  margin-top: 56px;
  padding-top: 22px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.14em;
  border-top: 1px solid var(--line-light);
}

.site-footer {
  color: rgba(238, 228, 211, 0.68);
  background: var(--forest-deep);
  border-top: 1px solid var(--line-light);
}

.site-footer__inner {
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand--footer {
  color: var(--cream);
}

@media (max-width: 1020px) {
  :root {
    --shell: min(100% - 64px, 920px);
  }

  .hero {
    grid-template-columns: minmax(360px, 0.94fr) minmax(420px, 1.06fr);
  }

  .hero__copy-inner {
    width: calc(100% - 64px);
    margin-left: 32px;
  }

  .story__inner,
  .story__education-inner,
  .story__scope,
  .story__principle-head,
  .source-bridge__inner,
  .source__inner {
    gap: 64px;
  }

  .story__scope,
  .story__principle-head {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .source__inner {
    grid-template-columns: minmax(260px, 0.72fr) minmax(440px, 1.28fr);
  }

  .source__images {
    min-height: 540px;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 40px, 680px);
  }

  .site-header__inner {
    min-height: 72px;
  }

  .brand {
    font-size: 20px;
  }

  .site-nav {
    gap: 10px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero__copy {
    min-height: 650px;
  }

  .hero__copy-inner {
    width: var(--shell);
    margin-inline: auto;
    padding: 132px 0 72px;
  }

  .hero h1 {
    font-size: clamp(54px, 15vw, 76px);
  }

  .hero__figure {
    min-height: 0;
    height: min(78svh, 720px);
  }

  .hero__figure figcaption {
    right: 20px;
    bottom: 18px;
  }

  .story__inner,
  .story__education-inner,
  .story__scope,
  .story__principle-head,
  .section-heading,
  .source-bridge__inner,
  .source__inner,
  .source__teas {
    grid-template-columns: 1fr;
  }

  .story__inner,
  .story__education-inner,
  .story__scope,
  .story__principle-head,
  .section-heading,
  .source-bridge__inner,
  .source__inner,
  .source__teas {
    gap: 48px;
  }

  .story__body {
    padding-top: 0;
  }

  .story__education-inner {
    min-height: 0;
  }

  .story__education-inner > p {
    padding-bottom: 0;
  }

  .story__scope {
    align-items: start;
  }

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

  .story__scope-grid > div {
    min-height: 0;
    padding: 28px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .story__scope-grid > div:last-child {
    border-bottom: 0;
  }

  .story__principle {
    width: 100%;
    padding-inline: 20px;
  }

  .story__principle-copy {
    padding-bottom: 0;
  }

  .story__principle-words,
  .method-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story__principle-words span:nth-child(2),
  .method-points > div:nth-child(2) {
    border-right: 0;
  }

  .story__principle-words span:nth-child(-n + 2),
  .method-points > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-light);
  }

  .method-points > div:nth-child(-n + 2) {
    border-bottom-color: var(--line);
  }

  .method-gallery {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .method-gallery__item--dry,
  .method-gallery__item--leaf {
    margin-top: 0;
  }

  .method-gallery__frame,
  .method-gallery__item--dry .method-gallery__frame,
  .method-gallery__item--pour .method-gallery__frame,
  .method-gallery__item--leaf .method-gallery__frame {
    aspect-ratio: 4 / 5;
  }

  .source-bridge__inner > p {
    padding-bottom: 0;
  }

  .source__copy {
    padding-bottom: 0;
  }

  .source__images {
    min-height: 0;
    display: grid;
    gap: 18px;
  }

  .source__image {
    position: relative;
    inset: auto;
    width: 100%;
    border: 0;
  }

  .source__image--estate {
    aspect-ratio: 4 / 3;
  }

  .source__image--craft {
    width: 72%;
    margin-top: -62px;
    border: 10px solid var(--paper);
  }

  .source__teas {
    margin-top: 80px;
  }

  .closing__inner {
    min-height: 600px;
  }
}

@media (max-width: 480px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .site-nav a {
    min-width: 44px;
  }

  .hero__copy {
    min-height: 620px;
  }

  .hero__copy-inner {
    padding-top: 118px;
  }

  .hero__statement {
    margin-top: 34px;
  }

  .hero__figure {
    height: 64svh;
  }

  .story h2,
  .section-heading h2,
  .source-bridge h2,
  .source h2,
  .closing h2 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .story__inner,
  .story__education-inner,
  .story__scope {
    padding-block: 86px;
  }

  .story__principle {
    padding-block: 48px;
  }

  .story__principle-words span {
    min-height: 76px;
  }

  .method-points > div {
    min-height: 132px;
    padding: 24px 18px;
  }

  .source__image--craft {
    width: 82%;
    margin-top: -38px;
  }

  .source__teas-copy > p {
    letter-spacing: 0.04em;
  }

  .site-footer__inner {
    min-height: 136px;
    flex-direction: column;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}