/* Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  background-color: #ffffff;
  color: #000000;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Left sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  padding: 36px 48px;
  display: flex;
  flex-direction: column;
  gap: 64px;
  pointer-events: auto;
}

.site-title {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 1.3;
  color: #000000;
}

.site-title a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

/* Vertical menu */
.menu {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.menu-link {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #999999;
  transition: color 0.25s ease;
  cursor: pointer;
}

.menu-link:hover,
.menu-link.active {
  color: #000000;
}

/* Main content — full viewport */
.content {
  position: fixed;
  inset: 0;
  z-index: 1;
}

.section {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
}

.section-active {
  display: flex;
}

/* Hero photograph — centered, restrained scale */
.hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 56px 64px;
}

.hero-slideshow {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.hero-slideshow .slide {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.15s ease-out;
  pointer-events: none;
}

.hero-slideshow .slide-active {
  opacity: 1;
}

.hero-slideshow .slide-single img {
  width: auto;
  height: auto;
  max-width: 75vw;
  max-height: 75vh;
  object-fit: contain;
}

.hero-slideshow .slide-opening img {
  max-width: 90vw;
  max-height: 90vh;
}

.hero-slideshow .slide-lower-left {
  transform: translate(calc(-50% - 2.5vw), calc(-50% + 3.5vh));
}

.hero-slideshow .slide-lower-left img {
  max-width: 30vw;
  max-height: 30vh;
}

.hero-slideshow .slide-reduced img {
  max-width: 60vw;
  max-height: 60vh;
}

.hero-slideshow .slide-reduced-forty img {
  max-width: 36vw;
  max-height: 36vh;
}

.hero-slideshow .slide-small img {
  max-width: 38vw;
  max-height: 52vh;
}

.hero-slideshow .slide-closing img {
  max-width: 92vw;
  max-height: 92vh;
}

.hero-slideshow .slide-contact-sheet {
  gap: 5px;
}

.hero-slideshow .slide-contact-sheet img {
  width: auto;
  height: 24vh;
  max-height: 24vh;
  object-fit: contain;
}

.hero-slideshow .slide-pair-asymmetric {
  top: 58%;
  transform: translate(calc(-50% - 5vw), -50%);
  justify-content: center;
  align-items: center;
}

.hero-slideshow .pair-spread {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 6vw;
}

.hero-slideshow .slide-pair-asymmetric .pair-image-a,
.hero-slideshow .slide-pair-asymmetric .pair-image-b {
  width: auto;
  height: auto;
  max-width: 18.69vw;
  max-height: 35.23vh;
  object-fit: contain;
  flex-shrink: 0;
}

.hero-slideshow .slide-pair-asymmetric .pair-image-a {
  margin-bottom: 9vh;
}

.hero-nav {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 3;
}

#jaehyun.section-active .hero-nav.hero-nav-ready,
#work.section-active .hero-nav.hero-nav-ready {
  display: block;
  cursor: none;
}

.hero-zone {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  border: none;
  background: transparent;
  cursor: none;
}

.hero-zone-prev {
  left: 0;
}

.hero-zone-next {
  right: 0;
}

.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
}

.custom-cursor.is-visible {
  opacity: 1;
}

.custom-cursor-arrow {
  display: none;
  width: 22px;
  height: 22px;
}

.custom-cursor-arrow.is-active {
  display: block;
}

/* Text panels for Info */
.text-panel {
  max-width: 400px;
  padding: 36px 48px;
  line-height: 2;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 12px;
  color: #444444;
}

.text-panel p + p {
  margin-top: 1.6em;
}

.text-panel a {
  color: #999999;
  transition: color 0.25s ease;
}

.text-panel a:hover {
  color: #000000;
}

.info-panel {
  position: absolute;
  left: 260px;
  top: calc(50% - 80px);
  transform: translateY(-50%);
  max-width: 320px;
  padding: 0;
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.03em;
  text-align: left;
}

.info-panel .info-bio {
  margin-bottom: 2.4em;
}

.info-panel p + p {
  margin-top: 0.7em;
}

/* Smaller screens */
@media (max-width: 768px) {
  .sidebar {
    padding: 28px 32px;
    gap: 40px;
  }

  .site-title {
    font-size: 15px;
  }

  .menu {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 20px;
  }

  .hero-image {
    padding: 40px 32px;
  }

  .hero-slideshow .slide-single img {
    max-width: 88vw;
    max-height: 68vh;
  }

  .hero-slideshow .slide-opening img {
    max-width: 100vw;
    max-height: 81.6vh;
  }

  .hero-slideshow .slide-reduced img {
    max-width: 70.4vw;
    max-height: 54.4vh;
  }

  .hero-slideshow .slide-reduced-forty img {
    max-width: 42.24vw;
    max-height: 32.64vh;
  }

  .hero-slideshow .slide-lower-left {
    transform: translate(calc(-50% - 3vw), calc(-50% + 2.5vh));
  }

  .hero-slideshow .slide-lower-left img {
    max-width: 35vw;
    max-height: 27vh;
  }

  .hero-slideshow .slide-small img {
    max-width: 62vw;
    max-height: 45vh;
  }

  .hero-slideshow .slide-closing img {
    max-width: 94vw;
    max-height: 80vh;
  }

  .hero-slideshow .slide-contact-sheet {
    gap: 4px;
  }

  .hero-slideshow .slide-contact-sheet img {
    height: 18vh;
    max-height: 18vh;
  }

  .hero-slideshow .slide-pair-asymmetric {
    top: 60%;
    transform: translate(calc(-50% - 5vw), -50%);
  }

  .hero-slideshow .pair-spread {
    gap: 8vw;
  }

  .hero-slideshow .slide-pair-asymmetric .pair-image-a,
  .hero-slideshow .slide-pair-asymmetric .pair-image-b {
    max-width: 21.74vw;
    max-height: 26.91vh;
  }

  .hero-slideshow .slide-pair-asymmetric .pair-image-a {
    margin-bottom: 6vh;
  }

  .info-panel {
    left: 32px;
    top: calc(55% - 80px);
    font-size: 14px;
  }
}