body { background: var(--dc-paper); }

.a-header { position: absolute; inset: 0 0 auto; z-index: 80; height: 80px; color: var(--dc-white); }
.a-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.55); }
.a-brand { font-family: "DM Sans", sans-serif; font-size: 17px; font-weight: 700; }
.a-nav { display: flex; align-items: center; gap: 30px; font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; }
.a-nav a { min-height: 44px; display: inline-flex; align-items: center; }
.a-header__tools { display: flex; align-items: center; gap: 8px; }
.a-header .dc-icon-button { color: var(--dc-white); border-color: rgba(255,255,255,.72); }

.a-hero { height: 90svh; min-height: 760px; position: relative; background: var(--dc-ink); color: var(--dc-white); overflow: hidden; }
.a-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s ease, visibility .5s ease; }
.a-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.a-slide img { width: 100%; height: 100%; object-fit: cover; }
.a-slide__caption { position: absolute; inset: auto 0 0; background: rgba(21,21,21,.91); }
.a-slide__caption .dc-container { min-height: 310px; display: grid; grid-template-columns: 130px 1.7fr .7fr; gap: 48px; align-items: center; }
.a-slide__issue { align-self: start; padding-top: 68px; color: var(--dc-accent); font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.a-slide h1, .a-slide__headline { margin: 0; max-width: 830px; font-family: "Noto Serif KR", serif; font-size: 60px; font-weight: 500; line-height: 1.18; letter-spacing: 0; word-break: keep-all; }
.a-slide__meta { align-self: end; padding-bottom: 62px; }
.a-slide__meta strong { display: block; margin-bottom: 8px; font-family: "DM Sans", sans-serif; font-size: 15px; }
.a-slide__meta span { color: #c8c8c8; font-size: 13px; }
.a-hero__controls { position: absolute; right: max(32px, calc((100vw - var(--dc-container)) / 2)); bottom: 330px; z-index: 5; display: flex; align-items: center; gap: 8px; }
.a-hero__controls .dc-icon-button { color: var(--dc-white); border-color: rgba(255,255,255,.72); background: rgba(21,21,21,.35); }
.a-hero__status { min-width: 66px; text-align: center; font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; }
.a-hero__scroll { position: absolute; right: 22px; top: 44%; z-index: 6; width: 44px; height: 122px; display: flex; align-items: center; justify-content: center; color: var(--dc-ink); background: var(--dc-accent); writing-mode: vertical-rl; font-family: "DM Sans", sans-serif; font-size: 11px; font-weight: 700; }

.a-intro { padding: 128px 0 104px; }
.a-intro__grid { display: grid; grid-template-columns: .8fr 1.35fr; gap: 110px; }
.a-kicker { color: #6b6965; font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.a-intro h2 { margin: 0; font-family: "Noto Serif KR", serif; font-size: 50px; font-weight: 500; line-height: 1.24; letter-spacing: 0; word-break: keep-all; }
.a-intro p { grid-column: 2; max-width: 660px; margin: 0; color: #53514d; font-size: 18px; }

.a-projects { padding: 0 0 130px; }
.a-projects__head { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 19px 0 40px; border-top: 1px solid var(--dc-ink); }
.a-projects__head h2 { margin: 0; font-family: "DM Sans", sans-serif; font-size: 15px; font-weight: 700; }
.a-filter-toggle { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; padding: 0 15px; border: 1px solid var(--dc-ink); background: transparent; font-weight: 750; cursor: pointer; }
.a-filter-toggle > svg { width: 17px; height: 17px; }
.a-filter-drawer { margin-bottom: 36px; padding: 26px 0; border-top: 1px solid var(--dc-line); border-bottom: 1px solid var(--dc-line); }
.a-filter-drawer__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 42px; }
.a-filter-drawer .dc-filter-status, .a-filter-drawer .dc-filter-note { grid-column: 1 / -1; }

.a-project-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 52px 24px; }
.a-project { grid-column: span 4; min-width: 0; }
.a-project:nth-child(1), .a-project:nth-child(6) { grid-column: span 7; }
.a-project:nth-child(2), .a-project:nth-child(7) { grid-column: span 5; padding-top: 120px; }
.a-project:nth-child(3), .a-project:nth-child(4), .a-project:nth-child(5) { grid-column: span 4; padding-top: 0; }
.a-project:nth-child(8) { grid-column: span 5; }
.a-project:nth-child(9) { grid-column: span 4; padding-top: 80px; }
.a-project__image { aspect-ratio: 4 / 3; overflow: hidden; background: #ddd; }
.a-project:nth-child(1) .a-project__image, .a-project:nth-child(6) .a-project__image { aspect-ratio: 3 / 2; }
.a-project img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.a-project:hover img { transform: scale(1.025); }
.a-project__number { display: block; margin: -31px 0 0 -2px; color: var(--dc-accent); font-family: "DM Sans", sans-serif; font-size: 70px; font-weight: 700; line-height: 1; position: relative; z-index: 2; pointer-events: none; }
.a-project__meta { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 14px; padding: 15px 0 17px; border-bottom: 1px solid var(--dc-ink); }
.a-project__meta h3 { margin: 0; font-family: "Noto Serif KR", serif; font-size: 24px; font-weight: 500; line-height: 1.3; }
.a-project__meta p { margin: 4px 0 0; color: #66625d; font-size: 12px; }
.a-project__meta svg { width: 20px; height: 20px; }
.a-project__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; color: #696660; font-size: 11px; }
.a-project__tags span { padding-right: 8px; border-right: 1px solid var(--dc-line); }
.a-project__tags span:last-child { border-right: 0; }

.a-principles { padding: 112px 0; background: var(--dc-ink); color: var(--dc-white); }
.a-principles__grid { display: grid; grid-template-columns: .8fr 1.5fr; gap: 110px; }
.a-principles h2 { margin: 0; font-family: "Noto Serif KR", serif; font-size: 48px; font-weight: 500; line-height: 1.23; letter-spacing: 0; }
.a-principles h2 em { color: var(--dc-accent); font-style: normal; }
.a-principle-list { border-top: 1px solid #525252; }
.a-principle { display: grid; grid-template-columns: 56px 180px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid #525252; }
.a-principle b { color: var(--dc-accent); font-family: "DM Sans", sans-serif; font-size: 12px; }
.a-principle strong { font-family: "Noto Serif KR", serif; font-size: 20px; font-weight: 500; }
.a-principle p { margin: 0; color: #bcbcbc; }

.a-proof { padding: 116px 0; background: var(--dc-white); }
.a-proof__head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: end; margin-bottom: 54px; }
.a-proof h2 { margin: 0; font-family: "Noto Serif KR", serif; font-size: 48px; font-weight: 500; line-height: 1.24; }
.a-proof__head p { margin: 0; color: #5d5a55; }
.a-proof__ledger { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--dc-ink); border-bottom: 1px solid var(--dc-ink); }
.a-proof__item { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px 24px; border-right: 1px solid var(--dc-line); }
.a-proof__item:last-child { border-right: 0; }
.a-proof__item small { color: var(--dc-accent-strong); font-family: "DM Sans", sans-serif; font-size: 11px; font-weight: 700; }
.a-proof__item strong { font-family: "DM Sans", sans-serif; font-size: 28px; }
.a-proof__item span { color: #666; font-size: 13px; }

.a-process { padding: 116px 0; background: var(--dc-sage); color: var(--dc-white); }
.a-process__grid { display: grid; grid-template-columns: .75fr 1.4fr; gap: 100px; }
.a-process h2 { margin: 0; font-family: "Noto Serif KR", serif; font-size: 47px; font-weight: 500; line-height: 1.25; }
.a-process__list { border-top: 1px solid rgba(255,255,255,.55); }
.a-process__row { display: grid; grid-template-columns: 52px 180px 1fr; gap: 24px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.4); }
.a-process__row b { color: #ffd0a7; font-family: "DM Sans", sans-serif; font-size: 12px; }
.a-process__row strong { font-size: 18px; }
.a-process__row p { margin: 0; color: #e7ece8; }
.a-process__note { margin: 24px 0 0; color: #d6ded9; font-size: 12px; }

.a-contact { padding: 116px 0; background: var(--dc-paper); }
.a-contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; }
.a-contact small { display: block; margin-bottom: 22px; color: var(--dc-accent-strong); font-family: "DM Sans", sans-serif; font-size: 12px; font-weight: 700; }
.a-contact h2 { margin: 0 0 28px; font-family: "Noto Serif KR", serif; font-size: 48px; font-weight: 500; line-height: 1.26; }
.a-contact__copy p { max-width: 520px; margin: 0; color: #5e5a54; }

@media (max-width: 1000px) {
  .a-nav { display: none; }
  .a-slide__caption .dc-container { grid-template-columns: 86px 1fr; }
  .a-slide__meta { grid-column: 2; padding-bottom: 42px; }
  .a-slide h1, .a-slide__headline { font-size: 48px; }
  .a-hero__controls { right: 20px; bottom: 340px; }
  .a-intro__grid { gap: 60px; }
  .a-filter-drawer__grid { grid-template-columns: 1fr; }
  .a-filter-drawer .dc-filter-status, .a-filter-drawer .dc-filter-note { grid-column: auto; }
  .a-project-grid { gap: 44px 18px; }
  .a-project, .a-project:nth-child(n) { grid-column: span 6; padding-top: 0; }
  .a-principles__grid, .a-process__grid, .a-contact__grid { grid-template-columns: 1fr; gap: 54px; }
  .a-proof__ledger { grid-template-columns: 1fr 1fr; }
  .a-proof__item:nth-child(2) { border-right: 0; }
  .a-proof__item:nth-child(-n+2) { border-bottom: 1px solid var(--dc-line); }
}

@media (max-width: 620px) {
  .a-header { height: 64px; }
  .a-header__tools .dc-icon-button:first-child { display: none; }
  .a-hero { height: auto; min-height: 790px; }
  .a-slide img { object-position: 42% center; }
  .a-slide__caption .dc-container { min-height: 440px; display: block; padding-top: 47px; padding-bottom: 34px; }
  .a-slide__issue { display: block; padding: 0; margin-bottom: 22px; }
  .a-slide h1, .a-slide__headline { font-size: 38px; line-height: 1.22; }
  .a-slide__meta { padding: 28px 0 0; }
  .a-hero__controls { right: 18px; bottom: 456px; }
  .a-hero__scroll { display: none; }
  .a-intro { padding: 78px 0; }
  .a-intro__grid { display: block; }
  .a-intro h2 { margin-top: 28px; font-size: 37px; }
  .a-intro p { margin-top: 26px; font-size: 16px; }
  .a-projects { padding-bottom: 80px; }
  .a-projects__head { align-items: flex-start; flex-direction: column; }
  .a-filter-toggle { width: 100%; justify-content: center; }
  .a-project-grid { grid-template-columns: 1fr; gap: 54px; }
  .a-project, .a-project:nth-child(n) { grid-column: auto; }
  .a-project__image, .a-project:nth-child(1) .a-project__image, .a-project:nth-child(6) .a-project__image { aspect-ratio: 4 / 3; }
  .a-project__number { font-size: 58px; margin-top: -25px; }
  .a-principles, .a-proof, .a-process, .a-contact { padding: 78px 0; }
  .a-principles h2, .a-proof h2, .a-process h2, .a-contact h2 { font-size: 37px; }
  .a-principle { grid-template-columns: 40px 1fr; }
  .a-principle p { grid-column: 2; }
  .a-proof__head { grid-template-columns: 1fr; gap: 24px; }
  .a-proof__ledger { grid-template-columns: 1fr; }
  .a-proof__item { min-height: 144px; border-right: 0; border-bottom: 1px solid var(--dc-line); }
  .a-proof__item:last-child { border-bottom: 0; }
  .a-process__row { grid-template-columns: 38px 1fr; }
  .a-process__row p { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .a-slide, .a-project img { transition: none; }
}
