/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5
 * genre: editorial · macrostructure: Photographic · tone: editorial-luxury
 * theme: Atelier · enrichment: E8 / Tier-C generated still · generated: OpenAI ImageGen · post-processed
 * H6 knobs: image=full-bleed, caption=lower-left, text=overlaid
 * nav: N9 Edge-aligned minimal · footer: Ft6 Letter close · studied: no
 * audience: friends and peers · use: personal impression to Instagram · anchor hue: vermilion
 * contrast: pass (40–41) · slop: pass (42–45) · mobile: pass (34, 49, 50–57)
 */
@import url("./tokens.css");

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

html {
  overflow-x: clip;
  height: 100%;
  background: var(--color-paper);
}

body {
  margin: 0;
  overflow-x: clip;
  overflow-y: clip;
  height: 100%;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

.site-shell {
  height: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
}

main {
  height: 100%;
}

.nav-edge {
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  padding-inline: var(--page-gutter);
  color: var(--color-paper);
}

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.instagram-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  justify-content: center;
  color: currentColor;
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  text-underline-offset: var(--space-xs);
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.instagram-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: var(--space-xs);
  height: var(--rule-hair);
  background: currentColor;
  transform: scaleX(0.28);
  transform-origin: right;
  transition: transform var(--dur-short) var(--ease-out);
}

.instagram-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.instagram-link:active,
.instagram-link[data-state="active"] {
  transform: translateY(var(--space-3xs));
}

.instagram-link[aria-disabled="true"],
.instagram-link[data-state="disabled"] {
  cursor: not-allowed;
  opacity: 0.5;
  pointer-events: none;
}

.instagram-link[data-state="loading"] {
  cursor: wait;
  opacity: 0.7;
}

.instagram-link[data-state="error"] {
  color: var(--color-error);
  text-decoration-style: double;
}

.instagram-link[data-state="success"] {
  color: var(--color-success);
  text-decoration-thickness: var(--space-3xs);
}

.photo-fold {
  position: relative;
  height: 100%;
  min-height: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  isolation: isolate;
}

.photo-fold::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, color-mix(in oklch, var(--color-image-shade) 80%, transparent), transparent 48%), color-mix(in oklch, var(--color-image-wash) 10%, transparent);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  filter: saturate(0.78) contrast(1.04);
}

.hero-title {
  position: absolute;
  inset-inline-start: var(--page-gutter);
  inset-block-end: clamp(4.5rem, 10dvh, 8rem);
  z-index: 2;
  max-width: 6ch;
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-style: normal;
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.82;
}

.caption {
  position: absolute;
  inset-inline-end: var(--page-gutter);
  inset-block-end: var(--space-lg);
  z-index: 2;
  margin: 0;
  max-width: 22ch;
  color: var(--color-paper);
  font-size: var(--text-sm);
  line-height: 1.45;
  text-align: end;
}

.note-fold {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 62dvh;
  padding: var(--space-3xl) var(--page-gutter) var(--space-4xl);
  background: var(--color-paper);
  color: var(--color-ink);
}

.note-copy {
  align-self: end;
  display: grid;
  gap: var(--space-xl);
}

.note-copy p {
  margin: 0;
}

.note-korean {
  max-width: 12ch;
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 7vw, 6rem);
  font-style: normal;
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 1.05;
}

.material-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-xl);
  max-width: 30rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.material-line span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.material-line span::before {
  content: "";
  width: var(--space-xs);
  height: var(--space-xs);
  background: var(--color-accent);
}

.detail-fold {
  position: relative;
  min-height: 72dvh;
  margin: 0;
  background: var(--color-ink);
  color: var(--color-paper);
  overflow: clip;
}

.detail-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 47% 82%;
  filter: saturate(0.65) contrast(1.08);
  transform: scale(1.28);
  transform-origin: 50% 78%;
}

.detail-caption {
  position: absolute;
  inset-inline-start: var(--page-gutter);
  inset-block-end: var(--space-lg);
  z-index: 1;
  margin: 0;
  color: var(--color-paper);
  font-size: var(--text-sm);
}

.foot-letter {
  display: grid;
  gap: var(--space-2xl);
  padding: var(--space-3xl) var(--page-gutter) var(--space-2xl);
  background: var(--color-paper);
  color: var(--color-ink);
}

.foot-letter__close {
  margin: 0;
  max-width: 12ch;
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 6vw, 5rem);
  font-style: normal;
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.foot-letter__meta {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.foot-letter .instagram-link {
  color: var(--color-ink);
}

@media (hover: hover) and (pointer: fine) {
  .instagram-link:hover,
  .instagram-link.is-hover {
    color: var(--color-accent);
  }

  .instagram-link:hover::after,
  .instagram-link.is-hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }
}

@media (min-width: 40rem) {
  .note-fold {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  }

  .note-copy {
    grid-column: 1;
  }

  .detail-fold {
    min-height: 84dvh;
  }
}

@media (min-width: 60rem) {
  .nav-edge {
    min-height: 6rem;
  }

  .photo-fold {
    height: 100%;
    min-height: 0;
  }

  .hero-image {
    object-position: center 42%;
  }

  .note-fold {
    min-height: 74dvh;
    padding-block-start: var(--space-4xl);
  }

  .detail-image {
    inset-inline-start: 18%;
    width: 82%;
  }

  .detail-fold::before {
    content: "";
    position: absolute;
    inset-block: 0;
    inset-inline-start: 0;
    z-index: 1;
    width: 18%;
    background: var(--color-accent);
  }
}

@media (pointer: coarse) {
  .instagram-link {
    min-width: 3rem;
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: var(--dur-micro) !important;
  }
}