/* 镂空 — papercut atelier
   Rice-paper cream · vermillion · deep ink
   No Google Fonts CDN — system CJK stacks only */

:root {
  --rice: #F6F0E4;
  --rice-deep: #EDE4D4;
  --rice-edge: #E2D6C2;
  --paper: #FFFBF4;
  --vermillion: #C41E3A;
  --vermillion-deep: #9E1530;
  --vermillion-soft: rgba(196, 30, 58, 0.12);
  --ink: #1A1512;
  --ink-soft: #3D342E;
  --ink-mute: #6B5E54;
  --ink-faint: #A89888;
  --line: rgba(26, 21, 18, 0.1);
  --line-strong: rgba(26, 21, 18, 0.18);
  --shadow-paper: 0 18px 48px rgba(26, 21, 18, 0.12), 0 4px 12px rgba(26, 21, 18, 0.06);
  --shadow-lift: 0 28px 64px rgba(26, 21, 18, 0.16), 0 8px 20px rgba(26, 21, 18, 0.08);
  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;
  --nav-h: 64px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC",
    "SimSun", "Times New Roman", serif;
  --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei",
    "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.65;
  background: var(--rice);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(196, 30, 58, 0.06), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(26, 21, 18, 0.04), transparent 50%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.06 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: rgba(246, 240, 228, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.4s var(--ease);
}
.nav.is-scrolled { box-shadow: 0 8px 24px rgba(26, 21, 18, 0.06); }

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  font-family: var(--font-display);
}
.nav-mark {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--vermillion);
}
.nav-tag {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  font-family: var(--font-ui);
  text-transform: none;
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--vermillion);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="true"] { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="true"]::after { transform: scaleX(1); }

/* ——— Layout ——— */
.wrap {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}
.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--vermillion);
  margin-bottom: 1rem;
  font-weight: 500;
}
.section-label::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--vermillion);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: var(--ink);
}
.section-lead {
  margin: 0;
  max-width: 36em;
  color: var(--ink-mute);
  font-size: 1.02rem;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(3rem, 8vw, 6rem);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-stage { order: -1; }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--vermillion);
  margin-bottom: 1.25rem;
}
.hero-kicker-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--vermillion);
  box-shadow: 0 0 0 4px var(--vermillion-soft);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.1;
  margin: 0 0 1rem;
  color: var(--ink);
}
.hero-title span {
  display: block;
  color: var(--vermillion);
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-mute);
  margin: 0 0 2rem;
  max-width: 22em;
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.hero-meta dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  margin: 0 0 0.2rem;
}
.hero-meta dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* Stage / paper card */
.paper-stage {
  position: relative;
  aspect-ratio: 1;
  max-width: 520px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-paper);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  isolation: isolate;
}
.paper-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.55), transparent 45%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(26, 21, 18, 0.012) 3px,
      rgba(26, 21, 18, 0.012) 4px
    );
  pointer-events: none;
  z-index: 2;
}
.paper-stage::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(196, 30, 58, 0.18);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
  z-index: 3;
}
.paper-stage .float-layer {
  position: absolute;
  inset: 8%;
  display: grid;
  place-items: center;
  transition: transform 0.6s var(--ease-out);
  will-change: transform;
  z-index: 1;
}
.paper-stage img,
.paper-stage .stage-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(158, 21, 48, 0.22));
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.paper-stage .stage-stack {
  position: relative;
  width: 100%;
  height: 100%;
}
.paper-stage .stage-stack img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.985);
}
.paper-stage .stage-stack img.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}
.paper-stage .stage-skeleton {
  position: absolute;
  inset: 12%;
  border-radius: 8px;
  background: linear-gradient(110deg, var(--rice-deep) 25%, var(--rice) 40%, var(--rice-deep) 55%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  z-index: 0;
}
@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.paper-seal {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  z-index: 4;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--vermillion);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.35);
  transform: rotate(12deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.35rem;
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  transition:
    transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    background 0.25s var(--ease),
    color 0.25s var(--ease),
    border-color 0.25s var(--ease);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--vermillion);
  color: #FFF8F0;
  box-shadow: 0 8px 24px rgba(196, 30, 58, 0.28);
}
.btn-primary:hover {
  background: var(--vermillion-deep);
  box-shadow: 0 12px 32px rgba(196, 30, 58, 0.36);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--ink-mute);
  color: var(--ink);
  background: rgba(255, 251, 244, 0.6);
}
.btn-secondary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  box-shadow: 0 2px 8px rgba(26, 21, 18, 0.04);
}
.btn-secondary:hover {
  border-color: var(--vermillion);
  color: var(--vermillion);
  transform: translateY(-1px);
}
.btn[disabled],
.btn.is-disabled {
  opacity: 0.42;
  pointer-events: none;
  box-shadow: none;
}
.btn-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* ——— Works gallery ——— */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
@media (max-width: 760px) {
  .works-grid { grid-template-columns: 1fr; }
}

.work-card {
  position: relative;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  width: 100%;
  padding: 0;
  transition:
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.3s var(--ease);
  box-shadow: 0 4px 16px rgba(26, 21, 18, 0.04);
}
.work-card:hover,
.work-card.is-selected {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(196, 30, 58, 0.35);
}
.work-card.is-selected {
  outline: 1.5px solid var(--vermillion);
  outline-offset: 2px;
}
.work-card-thumb {
  aspect-ratio: 1;
  background: var(--rice-deep);
  position: relative;
  overflow: hidden;
}
.work-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12%;
  transition: transform 0.55s var(--ease);
  filter: drop-shadow(0 6px 14px rgba(158, 21, 48, 0.18));
}
.work-card:hover .work-card-thumb img { transform: scale(1.04); }
.work-card-body {
  padding: 1.1rem 1.2rem 1.25rem;
  border-top: 1px solid var(--line);
}
.work-card-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  margin: 0 0 0.25rem;
}
.work-card-sub {
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  margin: 0;
}
.work-card-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 251, 244, 0.92);
  color: var(--vermillion);
  border: 1px solid rgba(196, 30, 58, 0.2);
  backdrop-filter: blur(6px);
}

/* ——— Atelier stage (character + tiers) ——— */
.atelier {
  background: linear-gradient(180deg, transparent, rgba(237, 228, 212, 0.55) 12%, rgba(237, 228, 212, 0.55) 88%, transparent);
}
.atelier-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
  margin-top: 2.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(255, 251, 244, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-paper);
}
@media (max-width: 860px) {
  .atelier-panel { grid-template-columns: 1fr; }
}

.atelier-stage-wrap { position: relative; }
.atelier-stage-wrap .paper-stage {
  max-width: none;
  width: 100%;
  max-height: min(520px, 68vh);
  margin-inline: 0;
}
@media (min-width: 861px) {
  .atelier-panel { align-items: stretch; }
  .atelier-copy {
    display: flex;
    flex-direction: column;
  }
  .download-row { margin-top: auto; }
}

.char-switch {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}
.char-switch::-webkit-scrollbar { display: none; }
.char-pill {
  flex: 0 0 auto;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  border: 1px solid transparent;
  background: transparent;
  transition: all 0.3s var(--ease);
}
.char-pill:hover { color: var(--ink); background: rgba(255,255,255,0.5); }
.char-pill[aria-selected="true"] {
  color: var(--vermillion);
  background: var(--paper);
  border-color: rgba(196, 30, 58, 0.28);
  box-shadow: 0 2px 10px rgba(196, 30, 58, 0.1);
}

.tier-control {
  margin: 0 0 1.15rem;
}
.tier-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.tier-label-row h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}
.tier-hint {
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}
.tier-seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 4px;
  background: var(--rice-deep);
  border-radius: 999px;
  border: 1px solid var(--line);
  position: relative;
}
.tier-seg button {
  position: relative;
  z-index: 1;
  padding: 0.7rem 0.5rem;
  border-radius: 999px;
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  transition: color 0.3s var(--ease);
}
.tier-seg button[aria-selected="true"] { color: var(--paper); }
.tier-seg button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.tier-seg .tier-thumb {
  position: absolute;
  top: 4px;
  bottom: 4px;
  width: calc(33.333% - 2.67px);
  border-radius: 999px;
  background: var(--vermillion);
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
  transition: transform 0.4s var(--ease);
  z-index: 0;
}
.tier-seg[data-active="minimal"] .tier-thumb { transform: translateX(0); }
.tier-seg[data-active="fine"] .tier-thumb { transform: translateX(calc(100% + 4px)); }
.tier-seg[data-active="master"] .tier-thumb { transform: translateX(calc(200% + 8px)); }

.craft-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}
.stat {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--rice);
  border: 1px solid var(--line);
}
.stat-k {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin: 0 0 0.35rem;
}
.stat-v {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0;
  transition: opacity 0.35s var(--ease);
}
.stat-v .unit {
  font-size: 0.72rem;
  color: var(--ink-mute);
  margin-left: 0.2rem;
  letter-spacing: 0.06em;
  font-family: var(--font-ui);
}
.stat-note {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin: 0;
  padding: 0 0.15rem;
  line-height: 1.55;
}

.atelier-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: 0.12em;
  margin: 0 0 0.5rem;
}
.atelier-copy .sub {
  font-size: 0.85rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  margin: 0 0 1rem;
}
.atelier-copy .blurb {
  color: var(--ink-mute);
  margin: 0 0 1.15rem;
  font-size: 0.95rem;
}

.download-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.download-row .btn { width: 100%; }
.download-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.gate-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: #2F6B3A;
  background: rgba(47, 107, 58, 0.08);
  border: 1px solid rgba(47, 107, 58, 0.18);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}
.gate-pill::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2F6B3A;
}

/* ——— Coming soon ——— */
.coming {
  text-align: center;
}
.coming .section-title { margin-inline: auto; }
.coming .section-lead { margin-inline: auto; }

.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2.75rem auto 0;
  max-width: 920px;
  position: relative;
}
@media (max-width: 720px) {
  .flow { grid-template-columns: 1fr 1fr; }
}
.flow-step {
  position: relative;
  padding: 1.4rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.flow-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(26, 21, 18, 0.08);
}
.flow-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--vermillion);
  letter-spacing: 0.06em;
  margin: 0 0 0.5rem;
  opacity: 0.85;
}
.flow-title {
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin: 0 0 0.35rem;
  font-weight: 600;
}
.flow-desc {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-faint);
  line-height: 1.55;
}
.coming-note {
  margin: 2.25rem auto 0;
  max-width: 28em;
  font-size: 0.88rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.waitlist {
  margin: 1.75rem auto 0;
  display: flex;
  gap: 0.5rem;
  max-width: 420px;
  justify-content: center;
  flex-wrap: wrap;
}
.waitlist input {
  flex: 1 1 220px;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font: inherit;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.waitlist input::placeholder { color: var(--ink-faint); }
.waitlist-msg {
  width: 100%;
  text-align: center;
  font-size: 0.82rem;
  color: var(--vermillion);
  min-height: 1.2em;
  margin: 0.35rem 0 0;
}

/* ——— Footer ——— */
.footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.footer-brand {
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.footer-brand strong { color: var(--vermillion); }
.footer-meta {
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

/* ——— Decorative rules ——— */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--vermillion);
  opacity: 0.55;
  margin: 0.5rem 0 0;
}
.ornament svg { width: 120px; height: 12px; }

/* swipe hint mobile */
.swipe-hint {
  display: none;
  text-align: center;
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  margin-top: 0.75rem;
}
@media (max-width: 860px) {
  .swipe-hint { display: block; }
}

/* Keyboard help */
.kbd {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-mute);
}

/* Mobile nav density */
@media (max-width: 520px) {
  .nav-tag { display: none; }
  .nav-links { gap: 0.75rem; }
  .nav-links a { font-size: 0.8rem; letter-spacing: 0.04em; }
  .atelier-panel { padding: 1rem; }
  .download-secondary { grid-template-columns: 1fr 1fr; }
}