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

/* ── Tokens ── */
:root {
  --bg:      #0e0e0e;
  --paper:   #141410;
  --border:  #2e2e28;
  --text:    #d6d0c4;
  --muted:   #7a7670;
  --dim:     #4a4842;
  --accent:  #c8b89a;   /* warm tan — typewriter ribbon */
  --link:    #b0c4b0;   /* faded terminal green */
  --font:    'Space Mono', 'Courier New', monospace;
  --nav-h:   52px;
}

html, body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}

/* ── HOME ── */
.home-page {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.unicorn-scene {
  width: 100%;
  height: 100vh;
}

/* bottom bar — sits over the scene */
.home-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.1rem 2rem 1.4rem;
  /* very subtle scrim so text is readable over dark scene */
  background: linear-gradient(to top, rgba(14,14,14,0.72) 0%, transparent 100%);
}

.home-name {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.home-nav a {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.home-nav a:hover { color: var(--accent); }

.home-sep {
  color: var(--dim);
  font-size: 10px;
  user-select: none;
}

/* lang toggle */
.lang-toggle {
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.lang-toggle:hover {
  color: var(--text);
  border-color: var(--dim);
}

/* ── INNER PAGES ── */
.inner-page body,
body.inner-page {
  background: var(--bg);
  min-height: 100vh;
}




/* top navbar for inner pages */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  margin-right: auto;
}
.nav-logo:hover { color: var(--text); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* active underline — simple 1px rule, no glow */
.nav-links a.active {
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

/* inner navbar lang toggle */
.navbar .lang-toggle { margin-left: auto; }

/* ── Page banner (research, about, etc.) ── */
.page-banner-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: var(--nav-h);
  line-height: 0;
}

.page-banner-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 18%, transparent 60%, var(--bg) 100%),
    linear-gradient(to right,  var(--bg) 0%, transparent 12%, transparent 88%, var(--bg) 100%);
}

/* ── Inner page content ── */
.inner-main {
  max-width: 860px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 2rem 5rem;
}

/* horizontal rule divider */
.inner-main::before {
  content: '';
  display: block;
  height: 1px;
  background: var(--border);
  margin-bottom: 2.5rem;
}

/* when a banner already provides separation, skip the rule */
.inner-main.no-top-rule {
  padding-top: 3rem;
}
.inner-main.no-top-rule::before { display: none; }

/* ── Project page banner ── */
.project-banner-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-banner-wrap .banner-canvas-wrap {
  width: 72%;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.project-banner-wrap .banner-canvas-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 28%, transparent 55%, var(--bg) 100%),
    linear-gradient(to right,  var(--bg) 0%, transparent 22%, transparent 78%, var(--bg) 100%);
}

/* ── About page banner ── */
.about-banner-wrap {
  position: relative;
  width: 100%;
  margin-top: var(--nav-h);
  line-height: 0;
  /* fixed height = what 55%-wide canvas produces — keeps surrounding whitespace */
  height: 13.75vw;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* canvas at 38% → text appears noticeably smaller within the same banner area */
.about-banner-wrap .banner-canvas-wrap {
  width: 38%;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

/* aggressive edge fade — hides canvas boundary on all four sides */
.about-banner-wrap .banner-canvas-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 28%, transparent 55%, var(--bg) 100%),
    linear-gradient(to right,  var(--bg) 0%, transparent 22%, transparent 78%, var(--bg) 100%);
}

/* atmospheric orb — centred at the base of the banner, bleeds into page */
.banner-orb {
  position: absolute;
  bottom: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 20%;
  height: 260px;
  background: radial-gradient(ellipse at 50% 40%, rgba(60, 120, 255, 0.50) 0%, rgba(40, 90, 240, 0.18) 45%, transparent 70%);
  filter: blur(38px);
  mix-blend-mode: screen;
  pointer-events: none;
}

/* ── Paper list (research) ── */
.paper-list {
  border-top: 1px solid var(--border);
}

/* Base: block layout — banner full-width on top, body below */
.paper {
  display: block;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--border);
}

/* Thumb variant: side-by-side when a small thumbnail is present */
.paper:has(.paper-thumb) {
  display: flex;
  gap: 1.8rem;
  align-items: flex-start;
}

/* Full-width banner image */
.paper-banner {
  width: 100%;
  margin-bottom: 1.4rem;
  overflow: hidden;
  border: 1px solid var(--border);
}
.paper-banner img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(15%);
}

/* Small side thumbnail */
.paper-thumb {
  width: 148px;
  flex-shrink: 0;
  aspect-ratio: 4 / 3;
  background: #111110;
  border: 1px solid var(--border);
  overflow: hidden;
}
.paper-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
}

/* Text block */
.paper-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.paper:has(.paper-thumb) .paper-body { flex: 1; }

.paper-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
}

.paper-authors {
  font-size: 0.76rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.5;
}

.paper-desc {
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--muted);
  margin-top: 0.2rem;
}

.paper-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.paper-link:hover {
  color: var(--text);
  border-color: var(--dim);
}

.paper-venue {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

@media (max-width: 640px) {
  .paper:has(.paper-thumb) { display: block; }
  .paper-thumb { width: 100%; aspect-ratio: 16/9; margin-bottom: 1rem; }
}

.page-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 2.5rem;
}

/* ── Card grid ── */
.card-grid {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.card {
  background: transparent;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.card--wide {
  flex-direction: row;
}

.card-thumb {
  width: 300px;
  flex-shrink: 0;
  aspect-ratio: 1320 / 975;
  align-self: flex-start;
  border-right: 1px solid var(--border);
  overflow: hidden;
  display: block;
}

.card-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s;
}

.card-thumb:hover img { opacity: 0.8; }

/* Card body layout */
.card--wide .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 1.6rem;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.card-tag {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

/* Expand button */
.card-expand-btn {
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.28rem 0.7rem;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}
.card-expand-btn:hover {
  color: var(--text);
  border-color: var(--dim);
}

/* Collapsible details */
.card-details {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}

.card--wide.is-open .card-details {
  max-height: 400px;
}

.card--wide.is-open .card-teaser {
  display: none;
}

.card-details-inner {
  padding: 0 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.card-teaser {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 0.3rem;
}

.card-desc {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--muted);
}

.card-link {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--link);
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.card-link:hover { border-color: var(--link); }

/* ── Email dropdown ── */
.email-dropdown-wrap {
  position: relative;
  display: inline-block;
}

.email-toggle {
  background: transparent;
  border: none;
  font-family: var(--font);
  font-size: inherit;
  cursor: pointer;
  padding: 0;
}

.email-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--paper);
  border: 1px solid var(--border);
  flex-direction: column;
  min-width: 210px;
  z-index: 20;
}

.email-dropdown-wrap.is-open .email-dropdown {
  display: flex;
}

.email-option {
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  text-align: left;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: color 0.2s;
  width: 100%;
}
.email-option:first-child { border-top: none; }
.email-option:hover { color: var(--text); }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 3rem;
  align-items: start;
}

.about-photo {
  width: 100%;
}

.about-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.about-text .page-title { margin-bottom: 0; }

.about-role {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.about-bio {
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--muted);
}

.text-pink { color: #f4a8c0; }

.about-bio strong {
  color: var(--text);
  font-weight: 700;
}

.about-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.about-link {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.about-link:hover { color: var(--text); }

/* ── Visitor counter ── */
.visitor-count {
  position: fixed;
  bottom: 1.2rem;
  right: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  z-index: 50;
  pointer-events: none;
}

.visitor-num {
  color: var(--muted);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .home-bar { flex-wrap: wrap; gap: 1rem; justify-content: center; }
  .navbar { padding: 0 1rem; gap: 1.2rem; }
  .nav-links { gap: 1.2rem; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo-placeholder { width: 120px; aspect-ratio: 1; }

  /* Project cards: stack vertically on mobile */
  .card--wide {
    flex-direction: column;
  }
  .card-thumb {
    width: 100%;
    aspect-ratio: 1320 / 975;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .card-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .card-expand-btn {
    align-self: flex-start;
  }
  .card--wide.is-open .card-details {
    max-height: 600px;
  }

  /* Story CTA */
  .story-cta {
    padding: 2.5rem 1.25rem 4rem;
    gap: 1rem;
  }
  .story-cta-text {
    font-size: 0.75rem;
  }
}

/* ── Scroll story ── */
.story-cta {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  border-top: 1px solid var(--border);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.story-cta-text {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.story-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

.story-arrow {
  animation: story-bounce 1.6s ease-in-out infinite;
}

@keyframes story-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

/* Chapter shell */
.story-chapter {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 2rem;
  border-top: 1px solid var(--border);
}

/* Chapter number — top-right corner */
.story-num {
  position: absolute;
  top: 2.5rem;
  right: 2.5rem;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--dim);
  opacity: 0;
  transition: opacity 0.6s ease 0.05s;
}
.story-chapter.is-visible .story-num { opacity: 1; }

/* Inner layout containers */
.story-inner {
  width: 100%;
  max-width: 900px;
}

.story-inner--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.story-inner--stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
  width: 100%;
  max-width: 1100px;
}

.story-inner--centered {
  align-items: center;
  text-align: center;
}

/* photos left, text right — photos column auto-sized by content */
.story-inner--photo-left {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 4rem;
  max-width: none;
  padding: 0 3rem 0 12rem;
}

.story-inner--center {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Scattered photo collage (chapter 1) */
.story-photos {
  position: relative;
  height: 480px;
}

.story-photo {
  position: absolute;
  border: 1px solid var(--border);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.story-photo:nth-child(1) {
  width: 52%;
  top: 0;
  left: 0;
  transform: rotate(-2.5deg) translateY(14px);
}
.story-photo:nth-child(2) {
  width: 46%;
  top: 14%;
  right: 0;
  transform: rotate(2deg) translateY(14px);
}
.story-photo:nth-child(3) {
  width: 50%;
  bottom: 0;
  left: 14%;
  transform: rotate(-1deg) translateY(14px);
}

.story-photo img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top;
}

/* Scattered 3-photo layout (absolute positioned) */
.story-chapter.is-visible .story-photos:not(.story-photos--grid) .story-photo:nth-child(1) {
  opacity: 1;
  transform: rotate(-2.5deg) translateY(0);
  transition-delay: 0.1s;
}
.story-chapter.is-visible .story-photos:not(.story-photos--grid) .story-photo:nth-child(2) {
  opacity: 1;
  transform: rotate(2deg) translateY(0);
  transition-delay: 0.28s;
}
.story-chapter.is-visible .story-photos:not(.story-photos--grid) .story-photo:nth-child(3) {
  opacity: 1;
  transform: rotate(-1deg) translateY(0);
  transition-delay: 0.46s;
}

/* 2-column staggered layout: right column offset down */
.story-photos--stagger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 440px;
  flex-shrink: 0;
  align-items: start;
}

/* override the scattered-layout nth-child widths/positions */
.story-photos--stagger .story-photo,
.story-photos--stagger .story-photo:nth-child(1),
.story-photos--stagger .story-photo:nth-child(2),
.story-photos--stagger .story-photo:nth-child(3),
.story-photos--stagger .story-photo:nth-child(4) {
  position: relative;
  width: 100%;
  top: auto; right: auto; bottom: auto; left: auto;
  border: 1px solid var(--border);
  overflow: hidden;
}

.story-photos--stagger .story-photo img {
  display: block;
  width: 100%;
  height: auto;
}

/* right column drops down for stagger effect */
.story-photos--stagger .story-photo:nth-child(even) {
  margin-top: 42px;
}

/* rotations */
.story-photos--stagger .story-photo:nth-child(1) { transform: rotate(-1.2deg) translateY(14px); }
.story-photos--stagger .story-photo:nth-child(2) { transform: rotate(1.5deg)  translateY(14px); }
.story-photos--stagger .story-photo:nth-child(3) { transform: rotate(1deg)    translateY(14px); }
.story-photos--stagger .story-photo:nth-child(4) { transform: rotate(-1.8deg) translateY(14px); }

.story-chapter.is-visible .story-photos--stagger .story-photo:nth-child(1) { opacity: 1; transform: rotate(-1.2deg); transition-delay: 0.08s; }
.story-chapter.is-visible .story-photos--stagger .story-photo:nth-child(2) { opacity: 1; transform: rotate(1.5deg);  transition-delay: 0.20s; }
.story-chapter.is-visible .story-photos--stagger .story-photo:nth-child(3) { opacity: 1; transform: rotate(1deg);    transition-delay: 0.32s; }
.story-chapter.is-visible .story-photos--stagger .story-photo:nth-child(4) { opacity: 1; transform: rotate(-1.8deg); transition-delay: 0.44s; }

/* Horizontal film-strip row for multiple photos */
.story-photos--row {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.story-photos--row .story-photo {
  position: relative;
  flex: 1;
  min-width: 0;
  top: auto; right: auto; bottom: auto; left: auto;
  border: 1px solid var(--border);
  overflow: hidden;
}

.story-photos--row .story-photo img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: top;
}

/* Individual slight rotations */
.story-photos--row .story-photo:nth-child(1) { transform: rotate(-1deg) translateY(14px); }
.story-photos--row .story-photo:nth-child(2) { transform: rotate(0.8deg) translateY(14px); }
.story-photos--row .story-photo:nth-child(3) { transform: rotate(-1.2deg) translateY(14px); }
.story-photos--row .story-photo:nth-child(4) { transform: rotate(1deg) translateY(14px); }
.story-photos--row .story-photo:nth-child(5) { transform: rotate(-0.7deg) translateY(14px); }
.story-photos--row .story-photo:nth-child(6) { transform: rotate(1.2deg) translateY(14px); }

/* Staggered reveal */
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(1) { opacity: 1; transform: rotate(-1deg);   transition-delay: 0.08s; }
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(2) { opacity: 1; transform: rotate(0.8deg);  transition-delay: 0.16s; }
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(3) { opacity: 1; transform: rotate(-1.2deg); transition-delay: 0.24s; }
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(4) { opacity: 1; transform: rotate(1deg);    transition-delay: 0.32s; }
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(5) { opacity: 1; transform: rotate(-0.7deg); transition-delay: 0.40s; }
.story-chapter.is-visible .story-photos--row .story-photo:nth-child(6) { opacity: 1; transform: rotate(1.2deg);  transition-delay: 0.48s; }

/* Text block */
.story-words {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.story-inner--split .story-words { transition-delay: 0.38s; }
.story-inner--center .story-words { transition-delay: 0.1s; }

.story-chapter.is-visible .story-words {
  opacity: 1;
  transform: none;
}

.story-words p {
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: var(--text);
  line-height: 1.65;
  font-weight: 400;
}

/* Blinking cursor — only on centered text chapters */
.story-inner--center .story-words p::after {
  content: '';
  display: inline-block;
  width: 0.52em;
  height: 0.88em;
  background: var(--accent);
  margin-left: 0.12em;
  vertical-align: text-bottom;
  animation: cursor-blink 1.1s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Service chapter: editorial mosaic grid */
.story-inner--mosaic {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  width: 100%;
  max-width: 1000px;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1.1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  height: 68vh;
}

.mosaic-photo {
  overflow: hidden;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.mosaic-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* 4.jpg (4th child) — keep original ratio with black bars */
.mosaic-photo:nth-child(4) { background: #000; }
.mosaic-photo:nth-child(4) img { object-fit: contain; }

/* 1.jpg — tall, spans both rows */
.m-tall { grid-row: 1 / 3; }

/* Staggered reveal */
.story-chapter.is-visible .mosaic-photo:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
.story-chapter.is-visible .mosaic-photo:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.15s; }
.story-chapter.is-visible .mosaic-photo:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.25s; }
.story-chapter.is-visible .mosaic-photo:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.35s; }
.story-chapter.is-visible .mosaic-photo:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.45s; }

/* Pink hair chapter */
.story-inner--pinkhair {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 880px;
  align-items: stretch;
}

.pinkhair-top {
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s ease 0.05s, transform 0.7s ease 0.05s;
}

.pinkhair-top-photo {
  flex: 1;
  overflow: hidden;
  border: 1px solid var(--border);
}

.pinkhair-top-photo img {
  display: block;
  width: 100%;
  height: 34vh;
  object-fit: cover;
  object-position: center top;
}

/* landscape photo: no crop */
.pinkhair-top-landscape {
  flex: 1.6;
}

.pinkhair-top-landscape img {
  object-fit: contain;
}

.pinkhair-row {
  display: flex;
  gap: 8px;
}

.pinkhair-photo {
  flex: 1;
  overflow: hidden;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.pinkhair-photo img {
  display: block;
  width: 100%;
  height: 40vh;
  object-fit: cover;
  object-position: center top;
}

.story-chapter.is-visible .pinkhair-top      { opacity: 1; transform: none; }
.story-chapter.is-visible .pinkhair-photo:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.18s; }
.story-chapter.is-visible .pinkhair-photo:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.28s; }
.story-chapter.is-visible .pinkhair-photo:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.38s; }

/* BMC chapter: 3-row layout */
.story-inner--bmc {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  width: 100%;
  max-width: 960px;
  align-items: center;
}

.bmc-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.bmc-row {
  display: flex;
  gap: 8px;
  height: 28vh;
}

.bmc-row--panoramic {
  height: 20vh;
}

.bmc-row--panoramic .bmc-photo img {
  object-position: center 70%;
}

.bmc-photo {
  flex: 1;
  overflow: hidden;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.bmc-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.story-chapter.is-visible .bmc-row:nth-child(1) .bmc-photo { opacity: 1; transform: none; transition-delay: 0.05s; }
.story-chapter.is-visible .bmc-row:nth-child(2) .bmc-photo { opacity: 1; transform: none; transition-delay: 0.18s; }
.story-chapter.is-visible .bmc-row:nth-child(3) .bmc-photo { opacity: 1; transform: none; transition-delay: 0.30s; }

/* Design chapter: masonry gallery */
.story-inner--design {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  width: 100%;
  max-width: 960px;
  align-items: center;
  padding: 2rem 0;
}

.design-gallery {
  columns: 3;
  column-gap: 8px;
  width: 100%;
}

.design-photo {
  break-inside: avoid;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.design-photo img {
  display: block;
  width: 100%;
  height: auto;
}

.story-chapter.is-visible .design-photo:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.04s; }
.story-chapter.is-visible .design-photo:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.12s; }
.story-chapter.is-visible .design-photo:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.20s; }
.story-chapter.is-visible .design-photo:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.28s; }
.story-chapter.is-visible .design-photo:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.36s; }
.story-chapter.is-visible .design-photo:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.44s; }

/* Sing chapter: photo bottom-left, video + text right */
.story-inner--sing {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2.5rem;
  width: 100%;
  max-width: 1000px;
  height: 74vh;
}

.sing-photo {
  align-self: end;
}

.sing-photo img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
}

.sing-right {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  height: 100%;
}

.sing-right video {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: block;
  border: 1px solid var(--border);
  background: #000;
  object-fit: contain;
}

/* Dance/video row */
.story-videos--row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  justify-content: center;
}

.story-videos--row video {
  height: 40vh;
  width: auto;
  display: block;
  border: 1px solid var(--border);
  background: #000;
}

@media (max-width: 640px) {
  /* Chapter shared */
  .story-chapter { padding: 4rem 1.25rem 2.5rem; min-height: auto; }
  .story-num { top: 1.25rem; right: 1.25rem; }
  .story-words p { font-size: 1.1rem; }

  /* Ch1: makeup — stack photos then text */
  .story-inner--split { grid-template-columns: 1fr; gap: 2rem; }
  .story-photos { height: 280px; }
  .story-photo img { height: 130px; }

  /* Ch2: dance — scroll horizontally */
  .story-videos--row { overflow-x: auto; justify-content: flex-start; padding-bottom: 0.5rem; }
  .story-videos--row video { height: 52vw; flex-shrink: 0; }

  /* Ch3: sing — stack photo on top, video + text below */
  .story-inner--sing { grid-template-columns: 1fr; height: auto; gap: 1.2rem; }
  .sing-photo img { width: 100%; height: 44vw; object-fit: cover; }
  .sing-right { height: auto; }
  .sing-right video { height: 56vw; flex: none; }

  /* Ch4: service mosaic — 2-col grid */
  .story-inner--mosaic { flex-direction: column; gap: 1.5rem; }
  .mosaic-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; height: auto; }
  .mosaic-photo { height: 38vw; }
  .mosaic-photo.m-tall { grid-row: auto; }

  /* Ch5: design masonry — 2 columns */
  .story-inner--design { gap: 1.5rem; }
  .design-gallery { columns: 2; }

  /* Ch6: pink hair — stack top row + bottom row */
  .pinkhair-top { flex-wrap: wrap; }
  .pinkhair-top-photo { flex: 1 1 45%; height: 28vw; }
  .pinkhair-top-landscape { flex: 1 1 100%; height: 48vw; }
  .pinkhair-row { flex-wrap: wrap; }
  .pinkhair-photo img { height: 38vw; }

  /* Ch7: BMC — auto heights */
  .bmc-row { height: auto; }
  .bmc-row .bmc-photo img { height: 38vw; object-fit: cover; }
  .bmc-row--panoramic { height: auto; }
  .bmc-row--panoramic .bmc-photo img { height: 38vw; }
}