@font-face {
  font-family: "Big Shoulders Display";
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
  src: url("../fonts/bsd-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/plex-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

:root {
  --kiln: #120e0c;
  --brick: #8e3428;
  --brick-lit: #a94436;
  --glaze: #c9a15b;
  --glaze-hot: #e0be74;
  --lime: #e6dcce;
  --lime-deep: #d4c8b6;
  --mortar: #3a2e28;
  --soot: #1c1613;
  --smoke: #a89888;
  --ink: #16110e;
  --line: rgba(201, 161, 91, 0.55);
  --display: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --latin: "Big Shoulders Display", "Arial Narrow", "DIN Condensed", Impact, sans-serif;
  --body: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, ui-monospace, monospace;
  --rail: 48px;
  --gutter: clamp(20px, 4vw, 56px);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  background: var(--kiln);
  color: var(--lime);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

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

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

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--glaze);
  color: var(--ink);
  padding: 8px 12px;
  z-index: 100;
}

.skip:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--glaze);
  outline-offset: 3px;
}

.wrap {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding-left: var(--rail);
}

.eyebrow {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--glaze);
}

.eyebrow--ink {
  color: var(--brick);
}

.display {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.display--lite {
  color: var(--lime);
}

.plumb {
  position: fixed;
  top: 0;
  left: 22px;
  height: 100vh;
  width: 14px;
  z-index: 40;
  pointer-events: none;
}

.plumb__line {
  display: block;
  width: 1px;
  height: 100%;
  margin-inline: auto;
  background: linear-gradient(to bottom, transparent, var(--glaze) 12%, var(--glaze) 88%, transparent);
  opacity: 0.7;
}

.plumb__bob {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 10px;
  height: 14px;
  transform: translateX(-50%);
  background: var(--glaze);
  clip-path: polygon(50% 100%, 0 0, 100% 0);
}

.bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter) 18px calc(var(--gutter) + 12px);
  background: rgba(18, 14, 12, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 161, 91, 0.12);
}

.mark {
  display: grid;
  grid-template-columns: 28px auto;
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
}

.mark__brick {
  grid-row: 1 / span 2;
  width: 28px;
  height: 14px;
  background: var(--brick);
  box-shadow: inset 0 2px 0 var(--glaze);
}

.mark__name {
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.18em;
  line-height: 1;
}

.mark__en {
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--smoke);
  line-height: 1;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
  letter-spacing: 0.22em;
}

.nav a {
  color: var(--lime);
  opacity: 0.82;
}

.nav a:hover {
  color: var(--glaze);
  opacity: 1;
}

.menu-btn {
  display: none;
  width: 40px;
  height: 32px;
  border: 0;
  background: transparent;
  padding: 0;
}

.menu-btn span {
  display: block;
  height: 1px;
  background: var(--lime);
  margin: 8px 0;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  padding: 0 var(--gutter) 72px calc(var(--gutter) + 12px);
  overflow: hidden;
}

.hero__media,
.hero__veil {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__veil {
  background:
    linear-gradient(to top, rgba(18, 14, 12, 0.92) 12%, rgba(18, 14, 12, 0.35) 48%, rgba(18, 14, 12, 0.2)),
    linear-gradient(to right, rgba(18, 14, 12, 0.55), transparent 40%);
}

.hero__copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__title {
  margin: 0 0 18px;
}

.hero__cn {
  display: block;
  font-family: var(--display);
  font-size: clamp(64px, 14vw, 168px);
  line-height: 0.9;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.hero__en {
  display: block;
  margin-top: 8px;
  font-family: var(--latin);
  font-weight: 900;
  font-size: clamp(18px, 3vw, 32px);
  letter-spacing: 0.42em;
  color: var(--glaze);
}

.hero__line {
  margin: 0 0 16px;
  font-family: var(--display);
  font-size: clamp(20px, 3vw, 32px);
  letter-spacing: 0.28em;
}

.hero__lead {
  margin: 0 0 32px;
  max-width: 38em;
  color: var(--smoke);
}

.hero__hint {
  position: absolute;
  right: var(--gutter);
  bottom: 28px;
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--glaze);
  writing-mode: vertical-rl;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  background: var(--glaze);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--glaze-hot);
}

.lime {
  background: var(--lime);
  color: var(--ink);
  padding: 120px 0 100px;
}

.lime__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px 56px;
  align-items: start;
}

.lime__grid .eyebrow,
.lime__grid .display {
  grid-column: 1 / -1;
}

.lime__body p {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.85;
}

.lime__fig {
  margin: 0;
}

.lime__fig img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.lime__fig figcaption,
.craft__kiln figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mortar);
}

.craft {
  padding: 120px 0;
}

.sec-head {
  margin-bottom: 48px;
  max-width: 18em;
}

.courses {
  list-style: none;
  margin: 0 0 56px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.course-card {
  background: var(--soot);
  padding: 28px 22px 32px;
  min-height: 240px;
  border-top: 3px solid var(--brick);
}

.course-card__name {
  margin: 0 0 18px;
  font-family: var(--display);
  font-size: 32px;
  letter-spacing: 0.18em;
}

.course-card__text {
  margin: 0;
  color: var(--smoke);
  font-size: 14px;
}

.course-card:nth-child(3) {
  border-top-color: var(--glaze);
}

.craft__kiln {
  margin: 0;
}

.craft__kiln img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}

.craft__kiln figcaption {
  color: var(--smoke);
}

.bond-sec {
  padding: 40px 0 120px;
}

.bond {
  background: var(--mortar);
  padding: 8px;
}

.bond__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.bond__row:last-child {
  margin-bottom: 0;
}

.bond__row--offset {
  padding-left: 7%;
  padding-right: 0;
  grid-template-columns: repeat(4, 1fr);
}

.unit {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  background: var(--brick);
  color: var(--lime);
  font-family: var(--display);
  font-size: clamp(16px, 2vw, 22px);
  letter-spacing: 0.18em;
  box-shadow: inset 0 3px 0 rgba(224, 190, 116, 0.18);
}

.unit--glaze {
  background: var(--glaze);
  color: var(--ink);
  box-shadow: inset 0 3px 0 rgba(18, 14, 12, 0.2);
}

.works {
  padding: 0 0 120px;
}

.works__list {
  display: grid;
  gap: 72px;
}

.work {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px;
  align-items: center;
}

.work:nth-child(even) {
  grid-template-columns: 1fr 1.4fr;
}

.work:nth-child(even) .work__media {
  order: 2;
}

.work__media {
  margin: 0;
  overflow: hidden;
}

.work__media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: saturate(0.92);
}

.work__tag {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--glaze);
}

.work h3 {
  margin: 0 0 14px;
  font-family: var(--display);
  font-size: 40px;
  letter-spacing: 0.16em;
  font-weight: 700;
}

.work__meta p:last-child {
  margin: 0;
  color: var(--smoke);
}

.contact {
  background: var(--soot);
  padding: 120px 0;
  border-top: 1px solid rgba(201, 161, 91, 0.18);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact__lead {
  color: var(--smoke);
  max-width: 28em;
}

.contact__mail a {
  font-family: var(--latin);
  letter-spacing: 0.16em;
  color: var(--glaze);
  font-size: 22px;
}

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

.form label {
  display: grid;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--smoke);
}

.form input,
.form textarea {
  width: 100%;
  background: var(--kiln);
  border: 1px solid rgba(201, 161, 91, 0.28);
  padding: 12px 14px;
  outline: none;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--glaze);
}

.form .btn {
  justify-self: start;
}

.form__note {
  min-height: 1.4em;
  margin: 0;
  color: var(--glaze);
  font-size: 13px;
}

.foot {
  padding: 28px 0 36px;
  border-top: 1px solid rgba(201, 161, 91, 0.16);
  color: var(--smoke);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.foot__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.foot__en {
  font-family: var(--latin);
  letter-spacing: 0.28em;
}

@media (max-width: 900px) {
  .plumb {
    left: 10px;
  }

  .wrap {
    padding-left: 22px;
  }

  .menu-btn {
    display: block;
  }

  .nav {
    position: absolute;
    top: 64px;
    right: var(--gutter);
    flex-direction: column;
    gap: 14px;
    padding: 18px 20px;
    background: var(--soot);
    border: 1px solid rgba(201, 161, 91, 0.25);
    display: none;
  }

  .nav.is-open {
    display: flex;
  }

  .lime__grid,
  .courses,
  .contact__grid,
  .work,
  .work:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .work:nth-child(even) .work__media {
    order: 0;
  }

  .bond__row,
  .bond__row--offset {
    grid-template-columns: 1fr 1fr;
    padding-left: 0;
  }

  .work__media img {
    height: 260px;
  }

  .hero__cn {
    letter-spacing: 0.08em;
  }
}

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

  .plumb__line,
  .hero__copy,
  .unit,
  .course-card {
    animation: none !important;
    transition: none !important;
  }
}