:root {
  --color-black: #0a0a0a;
  --color-graphite: #232323;
  --color-gray: #767676;
  --color-line: #d9d9d9;
  --color-surface: #f1f1f1;
  --color-white: #ffffff;
  --font-sans: "Helvetica Neue", Helvetica, Arial, "Noto Sans KR",
    "Apple SD Gothic Neo", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--color-white);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-black);
  background:
    linear-gradient(
      90deg,
      transparent calc(50% - 0.5px),
      rgba(10, 10, 10, 0.05) 50%,
      transparent calc(50% + 0.5px)
    ),
    var(--color-white);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

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

.site {
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100%, 1600px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  border-bottom: 1px solid var(--color-black);
}

.wordmark {
  display: inline-flex;
  align-items: center;
}

.wordmark img {
  display: block;
  width: 110px;
  height: auto;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--color-gray);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-black);
}

.header-status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.social-links {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 20px;
}

.social-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  color: var(--color-black);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.social-link svg {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.social-link::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

.social-link:hover::after,
.social-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.social-link:focus-visible {
  outline: 1px solid var(--color-black);
  outline-offset: 4px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: calc(100vh - 177px);
}

.hero-main {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: clamp(52px, 8vh, 100px) 7vw 48px 0;
}

.hero-heading {
  max-width: 920px;
  margin: 0;
  font-size: clamp(4rem, 9.4vw, 9.6rem);
  font-weight: 500;
  letter-spacing: -0.085em;
  line-height: 0.82;
}

.hero-heading span {
  display: block;
}

.hero-heading span:last-child {
  margin-left: 0.72em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-black);
}

.hero-bottom {
  display: flex;
  align-items: end;
  gap: clamp(32px, 5vw, 76px);
  margin-top: 72px;
}

.brand-mark {
  flex: 0 0 auto;
  width: clamp(74px, 7vw, 108px);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-intro {
  display: grid;
  grid-template-columns: 100px minmax(0, 720px);
  gap: 34px;
  align-items: start;
}

.index {
  margin: 4px 0 0;
  color: var(--color-gray);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intro-copy {
  margin: 0;
  color: var(--color-graphite);
  font-size: clamp(0.8rem, 1.08vw, 0.90rem);
  font-weight: 400;
  line-height: 1.75;
  word-break: keep-all;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: clamp(32px, 5vh, 56px) 0;
  background: var(--color-white);
}

.artwork-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  animation: reveal 1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.artwork-frame img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - 265px);
  filter: none;
  box-shadow: none;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 89px;
  border-top: 1px solid var(--color-black);
  color: var(--color-gray);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer p:nth-child(2) {
  color: var(--color-black);
}

.site-footer p:last-child {
  text-align: right;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  body {
    background: var(--color-white);
  }

  .site {
    padding: 0 24px;
  }

  .header-meta span:not(.header-status) {
    display: none;
  }

  .header-status {
    display: none;
  }

  .social-links {
    margin-left: 0;
  }

  .social-link svg {
    width: 28px;
    height: 28px;
  }

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

  .hero-main {
    padding: 56px 0 48px;
  }

  .hero-heading {
    font-size: clamp(4rem, 16.5vw, 8rem);
  }

  .hero-visual {
    min-height: 0;
    padding: clamp(28px, 7vw, 48px) 0;
    border-top: 1px solid var(--color-black);
  }

  .artwork-frame img {
    width: 100%;
    max-height: none;
  }

}

@media (max-width: 560px) {
  .site {
    padding: 0 16px;
  }

  .site-header {
    height: 70px;
  }

  .wordmark img {
    width: 92px;
  }

  .header-meta {
    gap: 10px;
  }

  .social-links {
    gap: 24px;
  }

  .hero {
    min-height: auto;
  }

  .hero-main {
    padding: 44px 0 38px;
  }

  .hero-heading {
    font-size: clamp(3.65rem, 18.5vw, 5.4rem);
    line-height: 0.86;
  }

  .hero-heading span:last-child {
    margin-top: 0.08em;
    margin-left: 0;
    -webkit-text-stroke-width: 1px;
  }

  .hero-bottom {
    align-items: start;
    gap: 28px;
    margin-top: 54px;
  }

  .brand-mark {
    width: 62px;
  }

  .hero-intro {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .intro-copy {
    max-width: 25rem;
    font-size: 0.77rem;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    min-height: 76px;
  }

  .site-footer p:nth-child(2) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .artwork-frame {
    animation: none;
  }
}