:root {
  --paper: #f8f5ef;
  --paper-deep: #eee5d7;
  --paper-light: #fffdf8;
  --ink: #1c1c1c;
  --muted: #67615a;
  --line: rgba(28, 28, 28, 0.15);
  --line-strong: rgba(28, 28, 28, 0.28);
  --vermilion: #a83224;
  --vermilion-dark: #81261d;
  --jade: #315f52;
  --gold: #a98542;
  --serif: "Cormorant Garamond", "Noto Serif TC", serif;
  --han: "Noto Serif TC", "Cormorant Garamond", serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(28, 28, 28, 0.018) 0,
      rgba(28, 28, 28, 0.018) 1px,
      transparent 1px,
      transparent 5px
    ),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  text-rendering: geometricPrecision;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23noise)' opacity='.7'/%3E%3C/svg%3E");
}

[data-language="zh"] body {
  font-family: var(--sans);
}

[data-language="zh"] h1,
[data-language="zh"] h2,
[data-language="zh"] h3 {
  font-family: var(--han);
  font-weight: 700;
}

#craft,
#experiences,
#waitlist {
  scroll-margin-top: 86px;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 28px);
  min-height: 76px;
  padding: 16px clamp(20px, 4vw, 56px);
  color: var(--paper-light);
  transition: background-color 220ms ease, color 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(248, 245, 239, 0.94);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  white-space: nowrap;
}

.brand--logo {
  align-items: center;
}

.brand__mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.brand__latin {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 700;
  line-height: 1;
}

.brand__han {
  font-family: var(--han);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 2vw, 28px);
  min-width: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.language-switcher {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 34px;
  padding: 3px;
  border: 1px solid currentColor;
  color: inherit;
  white-space: nowrap;
}

.language-switcher__button {
  min-width: clamp(32px, 4.2vw, 38px);
  min-height: 26px;
  padding: 0 clamp(5px, 1vw, 8px);
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.language-switcher__button.is-active {
  background: var(--ink);
  color: var(--paper-light);
}

.site-header:not(.is-scrolled) .language-switcher__button.is-active {
  background: var(--paper-light);
  color: #17130f;
}

.language-switcher__button:focus-visible {
  outline: 2px solid rgba(168, 50, 36, 0.42);
  outline-offset: 3px;
}

.site-nav__cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-light);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: var(--vermilion);
  border-color: var(--vermilion);
  transform: translateY(-1px);
}

.button:focus-visible {
  outline: 2px solid rgba(168, 50, 36, 0.42);
  outline-offset: 3px;
}

.button--small {
  min-height: 50px;
  padding-inline: clamp(18px, 2vw, 24px);
}

.site-header:not(.is-scrolled) .site-nav__cta {
  border-color: var(--paper-light);
  background: var(--paper-light);
  color: #17130f;
}

.site-header:not(.is-scrolled) .site-nav__cta:hover,
.site-header:not(.is-scrolled) .site-nav__cta:focus-visible {
  border-color: var(--vermilion);
  background: var(--vermilion);
  color: var(--paper-light);
}

.signup .button {
  background: var(--vermilion);
  border-color: var(--vermilion);
}

.signup .button:hover,
.signup .button:focus-visible {
  background: var(--vermilion-dark);
  border-color: var(--vermilion-dark);
}

.hero__content .button {
  background: var(--vermilion);
  border-color: var(--vermilion);
}

.hero__content .button:hover,
.hero__content .button:focus-visible {
  background: var(--vermilion-dark);
  border-color: var(--vermilion-dark);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #17130f;
}

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

.hero__media img {
  object-position: center;
  filter: saturate(0.86) contrast(1.02);
}

.hero__veil {
  background: rgba(17, 13, 10, 0.48);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: var(--container);
  padding: 132px 0 clamp(54px, 7vw, 82px);
  margin: 0 auto;
  color: var(--paper-light);
}

.hero__side-note {
  position: absolute;
  right: clamp(24px, 4vw, 62px);
  bottom: clamp(92px, 14vw, 170px);
  z-index: 2;
  color: rgba(255, 253, 248, 0.78);
  font-family: var(--han);
  font-size: clamp(2.4rem, 6vw, 5.6rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  writing-mode: vertical-rl;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(4.25rem, 8.3vw, 7.9rem);
  line-height: 0.92;
}

h2 {
  max-width: 780px;
  font-size: clamp(3.45rem, 7vw, 6.8rem);
  line-height: 0.96;
}

h3 {
  font-size: clamp(2.15rem, 3.4vw, 3.35rem);
  line-height: 0.98;
}

.hero__copy {
  max-width: 560px;
  margin: 28px 0 32px;
  color: rgba(255, 253, 248, 0.9);
  font-size: clamp(1.06rem, 1.65vw, 1.26rem);
}

.section {
  padding: clamp(86px, 12vw, 156px) 0;
}

.section__intro {
  width: var(--container);
  margin: 0 auto clamp(42px, 7vw, 82px);
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(280px, 0.32fr);
  gap: clamp(34px, 8vw, 96px);
  align-items: end;
}

.section__intro > p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
}

.creation-story {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  background: rgba(255, 253, 248, 0.42);
}

.creation-story__stage {
  display: grid;
  grid-template-rows: auto 1fr auto;
  row-gap: clamp(22px, 2.4vw, 32px);
  min-width: 0;
  padding: clamp(26px, 3.2vw, 40px);
}

.creation-story__design {
  border-inline: 1px solid var(--line);
}

.creation-story__label {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--jade);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.creation-story__label > span:first-child {
  color: var(--vermilion);
}

.creation-story__han {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--han);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  opacity: 0.7;
}

.creation-story__visual {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  min-height: clamp(300px, 34vw, 420px);
}

.creation-story__hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* Stage 01 — handwritten note */
.story-note {
  position: relative;
  width: 100%;
  padding: clamp(22px, 2.4vw, 32px) clamp(18px, 2vw, 26px);
  background: var(--paper-light);
  border: 1px solid var(--line);
  box-shadow: 4px 5px 0 rgba(28, 28, 28, 0.06);
}

.story-note__corner {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  background:
    linear-gradient(225deg, var(--paper) 49%, var(--line) 50%, var(--paper-light) 51%);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.story-note blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 1.95rem);
  line-height: 1.15;
  color: var(--ink);
}

/* Stage 02 — three specimen tiles */
.design-directions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  gap: 14px 12px;
}

.design-directions__caption {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  color: var(--muted);
  text-align: center;
  line-height: 1.4;
}

.tile-concept {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.tile-concept__art {
  width: 100%;
  height: auto;
}

.tile-concept figcaption {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.tile-concept__name {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.tile-concept__han {
  color: var(--vermilion);
  font-family: var(--han);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Stage 03 — artisan photo */
.story-photo {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 4px 5px 0 rgba(28, 28, 28, 0.06);
}

.story-photo img {
  aspect-ratio: 4 / 5;
  width: 100%;
  height: 100%;
}

.story-photo figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: clamp(14px, 1.6vw, 20px) clamp(16px, 2vw, 24px);
  background: linear-gradient(180deg, rgba(17, 13, 10, 0) 0%, rgba(17, 13, 10, 0.78) 65%);
  color: var(--paper-light);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.7vw, 1.6rem);
  line-height: 1.1;
}

.creation-story__order {
  width: var(--container);
  margin: clamp(28px, 4vw, 48px) auto 0;
  display: flex;
  justify-content: center;
}

.creation-story__order-line {
  margin: 0;
  max-width: 540px;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  text-align: center;
  line-height: 1.4;
}

.craft-examples {
  width: var(--container);
  margin: clamp(64px, 8vw, 112px) auto 0;
  display: grid;
  grid-template-columns: minmax(180px, 0.72fr) repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.craft-examples__intro {
  align-self: center;
  padding-right: clamp(16px, 3vw, 34px);
}

.craft-examples__intro .eyebrow {
  margin-bottom: 12px;
}

.craft-examples__intro > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.craft-examples figure {
  min-width: 0;
  margin: 0;
}

.craft-examples figure img {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
}

.craft-examples figcaption {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.craft-examples figcaption span {
  color: var(--jade);
  font-family: var(--han);
  font-size: 0.78rem;
}

.experience__han {
  margin: 0 0 8px;
  color: var(--jade);
  font-family: var(--han);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.experience__body p:not(.experience__han) {
  margin: 12px 0 0;
  color: var(--muted);
}

.section--experiences {
  background: var(--paper-deep);
}

.experience-list {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: clamp(56px, 9vw, 116px);
}

.experience {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: clamp(30px, 6vw, 76px);
  align-items: center;
}

.experience:nth-child(even) {
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 0.58fr);
}

.experience:nth-child(even) .experience__image {
  order: 2;
}

.experience__image {
  margin: 0;
  aspect-ratio: 5 / 4;
  border: 1px solid rgba(28, 28, 28, 0.18);
  overflow: hidden;
  background: var(--paper);
}

.experience__body {
  max-width: 440px;
}

.experience__body ul {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.experience__body li {
  padding: 11px 0;
  border-top: 1px solid rgba(28, 28, 28, 0.16);
}

.waitlist {
  min-height: 76svh;
  display: grid;
  place-items: center;
  padding: clamp(84px, 12vw, 150px) 20px;
  background: var(--paper-light);
  text-align: center;
}

.waitlist__inner {
  width: min(920px, 100%);
}

.seal {
  width: 78px;
  height: 78px;
  margin: 0 auto 28px;
  object-fit: contain;
}

.seal--mark {
  width: 72px;
  height: 72px;
}

.waitlist h2 {
  margin-inline: auto;
  max-width: none;
  font-size: clamp(3.3rem, 7.6vw, 7rem);
  white-space: pre-line;
}

[data-language="zh"] .waitlist h2 {
  font-size: clamp(3rem, 6.4vw, 6.2rem);
  line-height: 1.04;
}

.waitlist p:not(.eyebrow) {
  max-width: 410px;
  margin: 24px auto 34px;
  color: var(--muted);
  white-space: pre-line;
}

.signup {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  max-width: 570px;
  margin: 0 auto;
}

input[type="email"] {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: 600 1rem var(--sans);
}

input[type="email"]:focus {
  outline: 2px solid rgba(168, 50, 36, 0.28);
  outline-offset: 2px;
}

.signup__trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.signup__status {
  min-height: 1.5em;
  margin-top: 12px;
  font-size: 0.86rem;
}

.site-footer {
  min-height: 92px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 28px clamp(20px, 5vw, 76px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}

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

.site-footer nav {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.site-footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--ink);
  line-height: 1.2;
}

.site-footer__social svg {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.site-footer__social:hover,
.site-footer__social:focus-visible {
  color: var(--vermilion);
}

.site-footer p {
  margin: 0;
  text-align: right;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 900px) {
  .site-nav {
    gap: clamp(12px, 2vw, 18px);
  }

  .site-nav a:not(.button) {
    display: none;
  }

  .site-nav__cta {
    min-height: 42px;
    padding-inline: 16px;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  .hero__side-note {
    right: 18px;
    bottom: 110px;
    font-size: clamp(2.2rem, 10vw, 4.6rem);
    opacity: 0.52;
  }

  .section__intro,
  .experience,
  .experience:nth-child(even) {
    grid-template-columns: 1fr;
  }

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

  .creation-story__design {
    border: 0;
    border-left: 1px solid var(--line);
  }

  .creation-story__result {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

  .story-photo img {
    aspect-ratio: 16 / 9;
  }

  .craft-examples {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .craft-examples__intro {
    grid-column: 1 / -1;
    padding: 0 0 12px;
  }

  .experience:nth-child(even) .experience__image {
    order: 0;
  }

  .experience__body {
    max-width: 620px;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 36px, 1180px);
  }

  .site-header {
    min-height: 66px;
    padding: 14px 18px;
  }

  .brand {
    gap: 8px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
  }

  .brand__latin {
    font-size: 1.16rem;
  }

  .brand__han {
    font-size: 0.92rem;
  }

  .language-switcher {
    font-size: 0.68rem;
  }

  .language-switcher__button {
    min-width: 32px;
    min-height: 25px;
  }

  .site-nav .button {
    display: none;
  }

  .hero__content {
    padding: 110px 0 58px;
  }

  h1 {
    max-width: 94%;
    font-size: clamp(3.55rem, 17vw, 5.4rem);
  }

  h2 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .hero__copy {
    max-width: 88%;
    margin-top: 22px;
    font-size: 1.02rem;
  }

  .section {
    padding-block: 76px;
  }

  .section__intro {
    gap: 24px;
    margin-bottom: 40px;
  }

  .creation-story__stage {
    padding: 26px 20px;
  }

  .creation-story {
    grid-template-columns: 1fr;
  }

  .creation-story__design {
    border-block: 1px solid var(--line);
    border-inline: 0;
  }

  .creation-story__visual {
    min-height: 240px;
  }

  .creation-story__result {
    grid-column: auto;
    border-top: 0;
  }

  .story-photo img {
    aspect-ratio: 4 / 3;
  }

  .craft-examples {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .craft-examples__intro {
    grid-column: auto;
  }

  .craft-examples figure {
    display: grid;
    grid-template-columns: 42% minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }

  .craft-examples figcaption {
    padding: 0;
  }

  .experience__image {
    aspect-ratio: 4 / 5;
  }

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

  .signup .button {
    width: 100%;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }

  .site-footer p {
    text-align: center;
  }
}

@media (max-width: 380px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand {
    gap: 7px;
  }

  .brand__mark {
    width: 31px;
    height: 31px;
  }

  .brand__latin {
    font-size: 1.05rem;
  }

  .brand__han {
    display: none;
  }

  .language-switcher {
    padding: 2px;
    font-size: 0.64rem;
  }

  .language-switcher__button {
    min-width: 30px;
    min-height: 24px;
    padding-inline: 4px;
  }
}