@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");
@import url("https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,400..900&display=swap");

:root {
  --ink: #000;
  --ink-2: #0d0d0d;
  --ink-3: #171717;
  --bone: #fff;
  --steel: #8c8c8c;
  --steel-dim: #5a5a5a;
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.07);

  --display: "Archivo", "Pretendard Variable", sans-serif;
  --body: "Pretendard Variable", "Archivo", -apple-system, sans-serif;

  --aside-w: 16.5rem;
  --pad: clamp(1.25rem, 3.5vw, 3rem);
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--body);
  font-size: 0.95rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ===================== 모바일 상단바 ===================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.topbar__brand {
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-btn {
  appearance: none;
  background: none;
  border: 0;
  color: var(--bone);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.4rem 0;
}

@media (min-width: 900px) {
  .topbar {
    display: none;
  }
}

/* ===================== 좌측 사이드바 ===================== */
.aside {
  background: var(--ink);
  padding: 2.25rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

@media (max-width: 899px) {
  .aside {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(82vw, 20rem);
    z-index: 70;
    transform: translateX(-102%);
    transition: transform 0.32s ease;
    overflow-y: auto;
    border-right: 1px solid var(--line);
  }
  body.nav-open .aside {
    transform: none;
  }
  .scrim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 65;
  }
  body.nav-open .scrim {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (min-width: 900px) {
  .layout {
    display: grid;
    grid-template-columns: var(--aside-w) 1fr;
    min-height: 100vh;
  }
  .aside {
    position: sticky;
    top: 0;
    height: 100vh;
    border-right: 1px solid var(--line-soft);
  }
  .scrim {
    display: none;
  }
}

.aside__logo {
  width: 3.25rem;
}

.aside__mopp {
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 800;
  font-size: 1.4rem;
  letter-spacing: 0.01em;
  line-height: 1;
  margin: 0;
}

.aside__tagline {
  margin: 0.55rem 0 0;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  line-height: 1.7;
}

.aside__nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.aside__nav a,
.aside__nav span {
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 600;
  font-size: 0.98rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.42rem 0;
  color: var(--steel);
  transition: color 0.18s;
}

.aside__nav a:hover,
.aside__nav a[aria-current="page"] {
  color: var(--bone);
}

.aside__nav span {
  color: var(--steel-dim);
  cursor: default;
}

.aside__info {
  margin-top: auto;
  font-size: 0.75rem;
  line-height: 1.85;
  color: var(--steel);
}

.aside__info h2 {
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone);
  margin: 0 0 0.6rem;
}

.aside__info a:hover {
  color: var(--bone);
}

.aside__social {
  display: flex;
  gap: 1rem;
  margin-top: 1.1rem;
  font-family: var(--display);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.aside__social a {
  color: var(--steel);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.18s, border-color 0.18s;
}

.aside__social a:hover {
  color: var(--bone);
  border-color: var(--bone);
}

/* ===================== 메인 ===================== */
.main {
  min-width: 0;
}

.pad {
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--pad);
}

/* ===================== 홈 캐러셀 ===================== */
.visual {
  position: relative;
  height: clamp(24rem, 78vh, 46rem);
  overflow: hidden;
  background: var(--ink-2);
}

.visual__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.visual__slide.is-active {
  opacity: 1;
}

.visual__dots {
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 3;
}

.visual__dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
}

.visual__dots button[aria-current="true"] {
  background: var(--bone);
  transform: scale(1.3);
}

/* ===================== 섹션 공통 ===================== */
.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.sec-title {
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 800;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
}

.sec-count {
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ===================== 작업 그리드 ===================== */
.grid {
  display: grid;
  gap: 1.75rem 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
}

.card__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--ink-3);
}

.card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, opacity 0.3s;
}

.card:hover .card__thumb img {
  transform: scale(1.05);
  opacity: 0.85;
}

.card__cat {
  display: inline-block;
  margin: 0.9rem 0 0.35rem;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.card__title {
  margin: 0;
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 600;
  font-size: 0.94rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.card__date {
  margin: 0.4rem 0 0;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--steel-dim);
}

/* ===================== 작업 카테고리 ===================== */
.works4 {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

@media (min-width: 640px) {
  .works4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .works4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.works4 > div {
  background: var(--ink);
  padding: 1.6rem 1.35rem 1.85rem;
}

.works4 h3 {
  font-family: var(--display);
  font-variation-settings: "wght" 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.55rem;
  line-height: 1.35;
}

.works4 p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ===================== 본문 ===================== */
.post-head {
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--line-soft);
}

.post-head .cat {
  font-family: var(--display);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.post-head h1 {
  font-family: var(--display);
  font-variation-settings: "wdth" 100, "wght" 800;
  font-size: clamp(1.35rem, 3.6vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0.7rem 0 0.5rem;
  text-transform: uppercase;
}

.post-head .date {
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--steel-dim);
}

.prose {
  max-width: 46rem;
  margin-inline: auto;
}

.prose p {
  margin: 0 0 1.15rem;
  word-break: keep-all;
}

.prose img {
  width: 100%;
  margin: 1.75rem 0;
}

.prose a {
  color: var(--bone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===================== 이전/다음 ===================== */
.post-nav {
  max-width: 46rem;
  margin: 3.5rem auto 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

@media (min-width: 700px) {
  .post-nav {
    grid-template-columns: 1fr 1fr;
  }
}

.post-nav a,
.post-nav span {
  background: var(--ink);
  padding: 1.35rem 1.2rem;
  transition: background 0.22s;
}

.post-nav a:hover {
  background: var(--ink-2);
}

.post-nav em {
  font-style: normal;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  display: block;
}

.post-nav strong {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--display);
  font-variation-settings: "wght" 600;
  font-weight: 400;
  font-size: 0.88rem;
  line-height: 1.4;
}

.post-nav .next {
  text-align: right;
}

/* ===================== 어바웃 ===================== */
.about-lead {
  max-width: 46rem;
}

.about-lead p {
  margin: 0 0 1.15rem;
  word-break: keep-all;
}

.about-lead .en {
  color: var(--steel);
  font-size: 0.88rem;
}

.figs {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  margin: 2.75rem 0;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 40rem;
}

.timeline li {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.timeline .yr {
  font-family: var(--display);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.timeline .ev {
  font-size: 0.88rem;
  line-height: 1.6;
}

.partners {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem 2.5rem;
  margin-top: 1.5rem;
}

.partners img {
  height: 2.4rem;
  width: auto;
  opacity: 0.55;
  filter: grayscale(1);
  transition: opacity 0.25s;
}

.partners img:hover {
  opacity: 1;
}

/* ===================== 버튼 ===================== */
.btnrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2.25rem;
}

.btn {
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.75rem 1.3rem;
  border: 1px solid var(--line);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--ink);
}

/* ===================== 푸터 ===================== */
.foot {
  border-top: 1px solid var(--line-soft);
  padding: 2rem var(--pad) 2.5rem;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}