:root {
  --catalog-paper: #f4f4ef;
  --catalog-ink: #111319;
  --catalog-muted: #686a68;
  --catalog-line: rgba(17, 19, 25, 0.16);
  --catalog-blue: #1264e8;
  --catalog-lime: #d9ff45;
}

.catalog-page {
  min-height: 100%;
  margin: 0;
  color: var(--catalog-ink);
  background:
    linear-gradient(90deg, transparent calc(25% - 1px), rgba(17, 19, 25, 0.045) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), rgba(17, 19, 25, 0.045) 75%, transparent calc(75% + 1px)),
    var(--catalog-paper);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.catalog-page a {
  color: inherit;
  text-decoration: none;
}

.catalog-header {
  position: fixed;
  z-index: 60;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 82px;
  padding: 22px clamp(22px, 4vw, 64px);
  pointer-events: none;
}

.work-menu,
.catalog-utility {
  pointer-events: auto;
}

.work-menu {
  position: relative;
}

.work-menu-button {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-height: 38px;
  padding: 0;
  border: 0;
  color: var(--catalog-ink);
  background: transparent;
  font: 680 clamp(1rem, 1.4vw, 1.25rem)/1 "Avenir Next", sans-serif;
  letter-spacing: -0.03em;
  cursor: pointer;
}

.work-menu-button i {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--catalog-line);
  border-radius: 50%;
  font: 500 0.8rem/1 "SF Mono", monospace;
  transition: color 180ms ease, background-color 180ms ease, transform 240ms ease;
}

.work-menu-button:focus-visible,
.work-menu-panel a:focus-visible,
.catalog-language button:focus-visible,
.catalog-email:focus-visible,
.catalog-card-link:focus-visible,
.catalog-wordmark:focus-visible {
  outline: 2px solid var(--catalog-blue);
  outline-offset: 5px;
}

.work-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: -14px;
  display: grid;
  width: min(310px, calc(100vw - 44px));
  padding: 10px;
  border: 1px solid var(--catalog-line);
  background: rgba(248, 248, 243, 0.96);
  box-shadow: 0 22px 70px rgba(26, 30, 42, 0.14);
  opacity: 0;
  transform: translateY(-8px);
  visibility: hidden;
  transition: opacity 180ms ease, transform 220ms ease, visibility 180ms ease;
}

.work-menu-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 47px;
  padding: 0 11px;
  border-bottom: 1px solid rgba(17, 19, 25, 0.08);
  color: var(--catalog-muted);
  font-size: 0.82rem;
  font-weight: 610;
  transition: color 160ms ease, background-color 160ms ease, padding 180ms ease;
}

.work-menu-panel a:last-child {
  border-bottom: 0;
}

.work-menu-panel a:hover,
.work-menu-panel a[aria-current="page"] {
  padding-inline: 16px 9px;
  color: var(--catalog-ink);
  background: #fff;
}

.work-menu-panel a[aria-current="page"]::after {
  color: var(--catalog-blue);
  content: "●";
  font-size: 0.5rem;
}

.work-menu:hover .work-menu-panel,
.work-menu:focus-within .work-menu-panel,
.work-menu.is-open .work-menu-panel {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.work-menu:hover .work-menu-button i,
.work-menu:focus-within .work-menu-button i,
.work-menu.is-open .work-menu-button i {
  color: #fff;
  background: var(--catalog-blue);
  transform: rotate(45deg);
}

.catalog-utility {
  display: flex;
  align-items: center;
  gap: clamp(15px, 2.2vw, 34px);
  min-height: 38px;
}

.catalog-language {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--catalog-muted);
  font: 650 0.62rem/1 "SF Mono", monospace;
  letter-spacing: 0.08em;
}

.catalog-language button {
  min-width: 31px;
  min-height: 31px;
  padding: 0 5px;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.catalog-language button[aria-pressed="true"] {
  color: var(--catalog-blue);
}

.catalog-email {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--catalog-line);
  color: var(--catalog-muted);
  font: 620 clamp(0.63rem, 0.85vw, 0.76rem)/1 "SF Mono", "PingFang SC", monospace;
  transition: color 160ms ease, border-color 160ms ease;
}

.catalog-email:hover {
  color: var(--catalog-blue);
  border-color: var(--catalog-blue);
}

.catalog-main {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: clamp(130px, 15vw, 220px) clamp(22px, 4vw, 64px) 70px;
}

.catalog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.7fr);
  align-items: end;
  gap: clamp(36px, 7vw, 120px);
  min-height: 40vh;
  padding-bottom: clamp(70px, 9vw, 130px);
}

.catalog-index,
.catalog-card-index,
.catalog-card-meta,
.catalog-footer {
  font-family: "SF Mono", "Roboto Mono", "PingFang SC", monospace;
  text-transform: uppercase;
}

.catalog-index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: var(--catalog-muted);
  font-size: 0.64rem;
  font-weight: 650;
  letter-spacing: 0.18em;
}

.catalog-index::before {
  width: 34px;
  height: 1px;
  background: var(--catalog-blue);
  content: "";
}

.catalog-hero h1 {
  max-width: 11ch;
  margin: 0;
  font-family: "Songti SC", "STSong", "Iowan Old Style", serif;
  font-size: clamp(4.4rem, 11vw, 10rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.catalog-hero h1 span {
  display: block;
  margin-top: 0.08em;
  color: var(--catalog-blue);
  font-family: "Avenir Next Condensed", "Avenir Next", sans-serif;
  font-size: 0.34em;
  font-weight: 690;
  letter-spacing: -0.045em;
  line-height: 1;
}

.catalog-intro {
  margin: 0;
  padding-left: 22px;
  border-left: 1px solid var(--catalog-line);
  color: var(--catalog-muted);
  font-size: clamp(0.95rem, 1.35vw, 1.18rem);
  letter-spacing: -0.025em;
  line-height: 1.72;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  border-top: 1px solid var(--catalog-line);
}

.catalog-card {
  position: relative;
  display: grid;
  grid-template-rows: minmax(260px, 54vh) auto;
  grid-column: span 12;
  padding-block: clamp(34px, 5vw, 72px);
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-card.is-compact {
  grid-column: span 6;
}

.catalog-card.is-compact:first-of-type {
  border-right: 1px solid var(--catalog-line);
  padding-right: clamp(22px, 3vw, 46px);
}

.catalog-card.is-compact + .catalog-card.is-compact {
  padding-left: clamp(22px, 3vw, 46px);
}

.catalog-card-visual {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  border-radius: clamp(18px, 2.6vw, 38px);
  background: #d9dcd8;
  isolation: isolate;
}

.catalog-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 500ms ease, transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.catalog-card:hover .catalog-card-visual img {
  filter: saturate(1.08) contrast(1.02);
  transform: scale(1.018);
}

.catalog-card-visual.has-art-cover {
  background: #eeeee9;
}

.catalog-card-visual.has-art-cover img {
  filter: saturate(0.98) contrast(1.01);
}

.catalog-card:hover .catalog-card-visual.has-art-cover img {
  filter: saturate(1.02) contrast(1.015);
  transform: scale(1.012);
}

.catalog-card-visual.has-art-cover::before,
.catalog-card-visual.has-art-cover::after {
  display: none;
}

.catalog-card-index {
  position: absolute;
  z-index: 4;
  top: 18px;
  left: 18px;
  padding: 8px 10px;
  color: #fff;
  background: rgba(9, 17, 25, 0.72);
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.15em;
}

.catalog-card-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.5fr);
  gap: 36px;
  align-items: end;
  padding-top: 28px;
}

.catalog-card.is-compact .catalog-card-copy {
  grid-template-columns: 1fr;
}

.catalog-card-meta {
  margin: 0 0 13px;
  color: var(--catalog-blue);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.catalog-card h2 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 5.7rem);
  font-weight: 630;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.catalog-card.is-compact h2 {
  font-size: clamp(2.2rem, 4vw, 4.1rem);
}

.catalog-card p {
  margin: 0;
  color: var(--catalog-muted);
  font-size: 0.9rem;
  line-height: 1.72;
}

.catalog-card-link {
  position: absolute;
  z-index: 8;
  inset: 0;
}

.catalog-card-link span {
  position: absolute;
  top: calc(54vh - 60px);
  right: 18px;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  color: #fff;
  background: rgba(9, 17, 25, 0.42);
  backdrop-filter: blur(10px);
  transition: color 180ms ease, background-color 180ms ease, transform 220ms ease;
}

.catalog-card-link:hover span {
  color: var(--catalog-ink);
  background: var(--catalog-lime);
  transform: rotate(45deg);
}

.catalog-card.is-compact .catalog-card-link span {
  top: calc(54vh - 60px);
}

.visual-neural {
  background:
    radial-gradient(circle at 32% 43%, rgba(199, 255, 66, 0.95) 0 4px, transparent 5px),
    radial-gradient(circle at 67% 58%, rgba(255, 255, 255, 0.95) 0 4px, transparent 5px),
    radial-gradient(circle at 50% 50%, rgba(23, 105, 255, 0.55), transparent 35%),
    repeating-radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.16) 0 1px, transparent 1px 24px),
    #071d46;
}

.visual-neural::before,
.visual-neural::after {
  position: absolute;
  width: 48%;
  aspect-ratio: 1;
  border: 1px solid rgba(217, 255, 69, 0.65);
  border-radius: 50%;
  content: "";
  animation: catalog-orbit 9s linear infinite;
}

.visual-neural::before { top: 10%; left: 12%; }
.visual-neural::after { right: 10%; bottom: -12%; animation-direction: reverse; }

.visual-gesture::after,
.visual-flight::after,
.visual-low::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 28%, rgba(255, 255, 255, 0.24) 47%, transparent 66%);
  content: "";
  transform: translateX(-100%);
  transition: transform 900ms ease;
}

.catalog-card:hover .visual-gesture::after,
.catalog-card:hover .visual-flight::after,
.catalog-card:hover .visual-low::after {
  transform: translateX(100%);
}

.visual-gaussian {
  background:
    radial-gradient(circle, rgba(224, 255, 161, 0.8) 0 1px, transparent 1.7px) 0 0 / 9px 9px,
    radial-gradient(circle at 52% 44%, rgba(188, 255, 82, 0.28), transparent 26%),
    #09110d;
}

.visual-gaussian::before {
  position: absolute;
  inset: 11% 25%;
  clip-path: polygon(18% 0, 80% 7%, 100% 46%, 81% 100%, 22% 90%, 0 49%);
  background: rgba(214, 255, 152, 0.23);
  box-shadow: 0 0 80px rgba(190, 255, 96, 0.28);
  content: "";
  transform: rotate(-6deg);
}

.visual-skills {
  display: grid;
  place-items: center;
  background: var(--catalog-blue);
}

.visual-skills strong {
  color: #fff;
  font-family: "Songti SC", "Iowan Old Style", serif;
  font-size: clamp(4.8rem, 16vw, 14rem);
  font-weight: 500;
  letter-spacing: -0.09em;
}

.catalog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 36px;
  color: var(--catalog-muted);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.catalog-wordmark {
  color: var(--catalog-ink);
  font-family: "Avenir Next", sans-serif;
  font-size: 1rem;
  font-weight: 680;
  letter-spacing: -0.04em;
  text-transform: none;
}

@keyframes catalog-orbit {
  to { transform: rotate(360deg) scale(1.04); }
}

@media (max-width: 820px) {
  .catalog-header {
    min-height: 118px;
    padding: 17px 18px;
  }

  .catalog-utility {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 2px 10px;
    max-width: 210px;
  }

  .catalog-email {
    flex-basis: 100%;
    text-align: right;
  }

  .catalog-main {
    padding: 140px 18px 46px;
  }

  .catalog-hero {
    grid-template-columns: 1fr;
    min-height: 42vh;
    padding-bottom: 70px;
  }

  .catalog-hero h1 {
    font-size: clamp(4.1rem, 23vw, 7.5rem);
  }

  .catalog-intro {
    max-width: 34rem;
  }

  .catalog-card,
  .catalog-card.is-compact {
    grid-column: span 12;
    grid-template-rows: minmax(270px, 48vh) auto;
    padding: 30px 0;
    border-right: 0;
  }

  .catalog-card.is-compact:first-of-type,
  .catalog-card.is-compact + .catalog-card.is-compact {
    padding-right: 0;
    padding-left: 0;
    border-right: 0;
  }

  .catalog-card-copy {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .catalog-card-link span,
  .catalog-card.is-compact .catalog-card-link span {
    top: calc(48vh - 42px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-menu-panel,
  .catalog-card-visual img,
  .catalog-card-link span,
  .visual-neural::before,
  .visual-neural::after,
  .visual-gesture::after,
  .visual-flight::after,
  .visual-low::after {
    animation: none;
    transition: none;
  }
}