/* Mobile-first: flush content from the TOP of the cover area so no giant empty
   paper sheet sits between mini-nav and Top Meta. Content stacks top -> down
   with tight vertical spacing tuned for a 375..430 phone portrait viewport. */
.cover {
  min-height: calc(100svh - 56px - 1px);
  padding-bottom: 0;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--rule-soft);
}
.cover-inner {
  flex: 1;
  min-height: calc(100svh - 56px - 1px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  padding-top: 0;
  gap: 0;
}

.cover-top-meta {
  display: none;
}

.cover-wording {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0;
  margin: 0;
}

.cover-bottom-meta {
  display: none;
}

.roy-display {
  margin: 0;
  padding: 0;
  font-family: var(--display-pixel);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.86;
  color: var(--rule);
  font-size: clamp(140px, 40vw, 360px);
  text-align: left;
  transform-origin: left bottom;
  will-change: transform;
  transform: translate(0, 0) scale(1);
  white-space: nowrap;
  display: inline-block;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: grayscale;
  font-smooth: never;
  image-rendering: pixelated;
  image-rendering: -webkit-optimize-contrast;
}
.roy-display .r-letter,
.roy-display .y-letter {
  color: var(--rule);
}
.roy-display .o-letter {
  color: var(--rule-strong);
  display: inline-block;
  transform: translateY(0);
  padding-left: 0;
  padding-right: 0;
}

.cover-sub {
  margin: 12px 0 0;
  padding: 0;
  max-width: 24ch;
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  color: var(--fg);
  font-size: clamp(17px, 4.4vw, 26px);
  line-height: 1.35;
  padding-left: clamp(2px, 1vw, 8px);
  transform: translateX(8%);
  text-align: left;
  will-change: transform;
}

.cb-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
}
.cb-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}
.sh-line {
  display: inline-block;
  width: 1px;
  height: 36px;
  background: var(--rule-soft);
  position: relative;
  overflow: hidden;
}
.sh-line::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -36px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, var(--rule) 60%);
  animation: sh-cue 2200ms var(--ease-out) infinite;
  animation-delay: 900ms;
}
@keyframes sh-cue {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: 1; }
  80% { transform: translateY(72px); opacity: 0; }
  100% { transform: translateY(72px); opacity: 0; }
}

@media (max-width: 430px) {
  .cover { padding-bottom: 0; }
  .cover-inner {
    padding-top: 0;
    gap: 0;
    min-height: calc(100svh - 56px - 1px);
    flex: 1;
    justify-content: center;
    align-items: stretch;
  }
  .cover-sub {
    margin-top: 8px;
  }
  .cover-bottom-meta {
    display: none;
  }
  .cover-top-meta {
    display: none;
  }
  .cover-wording {
    margin-top: 0;
    justify-content: center;
    align-items: flex-start;
  }
}

@media (max-width: 390px) {
  .cover { padding-bottom: 0; }
  .cover-inner {
    padding-top: 0;
    gap: 0;
    min-height: calc(100svh - 56px - 1px);
    flex: 1;
    justify-content: center;
    align-items: stretch;
  }
  .roy-display { font-size: 128px; letter-spacing: -0.04em; }
  .cover-sub { transform: translateX(5%); font-size: 16px; margin-top: 6px; }
  .cover-bottom-meta { display: none; }
  .cover-top-meta { display: none; }
  .cover-wording {
    margin-top: 0;
    justify-content: center;
    align-items: flex-start;
  }
}
@media (max-width: 375px) {
  .cover { padding-bottom: 0; }
  .cover-inner { padding-top: 0; gap: 0; min-height: calc(100svh - 56px - 1px); flex: 1; justify-content: center; align-items: stretch; }
  .roy-display { font-size: 116px; letter-spacing: -0.04em; }
  .cover-sub { font-size: 15.5px; transform: translateX(2%); margin-top: 5px; }
  .cover-bottom-meta { display: none; }
  .cover-top-meta { display: none; }
  .cover-wording {
    margin-top: 0;
    justify-content: center;
    align-items: flex-start;
  }
}

@media (min-width: 768px) {
  .cover {
    min-height: calc(100svh - 56px - 1px);
    padding-bottom: 28px;
    border-bottom: none;
  }
  .cover-inner {
    display: grid;
    grid-template-rows: auto 1fr auto;
    row-gap: 24px;
    padding-top: 0;
    gap: 0;
    justify-content: stretch;
    flex: 1;
    min-height: calc(100svh - 56px - 120px);
    justify-content: stretch;
  }
  .cover-top-meta {
    display: flex;
    order: unset;
    padding-top: 8px;
    margin: 0;
  }
  .cover-wording {
    display: flex;
    order: unset;
    justify-content: flex-end;
    padding-bottom: 8px;
    align-items: flex-start;
  }
  .cover-bottom-meta {
    display: flex;
    order: unset;
    margin-top: 0;
  }
  .roy-display {
    font-size: clamp(240px, 28vw, 420px);
    letter-spacing: -0.06em;
  }
  .roy-display .o-letter {
    transform: translateY(0);
    padding-left: 0;
    padding-right: 0;
  }
  .cover-sub {
    transform: translateX(26%);
    font-size: 26px;
    margin-top: 32px;
    max-width: 28ch;
  }
}

@media (min-width: 1024px) {
  .cover-inner { row-gap: 24px; }
  .cover-wording {
    padding-top: 0;
    padding-right: 40px;
  }
  .roy-display {
    font-size: clamp(300px, 30vw, 520px);
    line-height: 0.84;
  }
  .cover-sub {
    transform: translateX(34%);
    font-size: 30px;
    margin-top: 44px;
  }
}

/* scrolled dataset is kept only for baseline; transforms/opacity driven by JS inline now. */
.cover[data-cover-state="scrolled"] .roy-display {
  /* Do not transition layout properties here; JS owns motion. */
}