/* ============================================
   HOME PAGE STYLES
   Theme tokens, reset, base, nav, and fonts
   are all handled by global.css — do NOT
   duplicate them here.
   ============================================ */

/* Custom cursor removed — was causing perf jank on macOS/Safari */

/* GOLD CIRCLE OVERLAY CANVAS */
#transitionCanvas {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.8s ease;
}

/* Navigation is now handled by global.css — no duplicates here */

/* SVG STAR FIELD — inside home-bg-stage, behind all parallax planes */
.home-bg-stage .bg-particles {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;           /* above gradient bg, below plane-deep (z-index 1) */
  pointer-events: none;
}

/* HOME BACKGROUND STAGE */
.home-bg-stage {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 0;
  background: radial-gradient(circle at 25% 45%, var(--color-bg-elevated) 0%, var(--color-bg-base) 100%);
  perspective: 1500px;
  transform-style: preserve-3d;
  overflow: hidden;
  pointer-events: none; /* purely decorative — never intercepts clicks */
  transition: opacity 1.5s ease;
}

/* P1-6: mobile "2-screen rule" — home.js adds .stage-sleep on coarse-pointer
   devices past ~2 viewport-heights of scroll (sections fully cover the fixed
   stage there). visibility:hidden removes paint + compositing of ALL planes,
   ghost letters, lens and stage particles at once; instant to restore. */
.home-bg-stage.stage-sleep {
  visibility: hidden;
}

.home-bg-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg-base, #0d0d0d);
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.5s ease;
  z-index: 50;
}
.home-bg-stage.dimmed::after {
  opacity: 0.65;
}

@supports (animation-timeline: scroll()) {
  .plane-deep {
    animation: scrollDeep linear forwards;
    animation-timeline: scroll();
    animation-range: 0 100vh;
  }
  @keyframes scrollDeep {
    from { translate: 0 0; }
    to { translate: 0 -80px; }
  }

  .plane-fore {
    animation: scrollFore linear forwards;
    animation-timeline: scroll();
    animation-range: 0 100vh;
  }
  @keyframes scrollFore {
    from { translate: 0 0; }
    to { translate: 0 -40px; }
  }
}

/* Dimmed state uses ::after overlay instead of filter — avoids costly filter repaint */

.plane-deep {
  position: absolute;
  top: 0;
  left: -8%;
  width: 75vw;
  height: 100vh;
  z-index: 1;
  opacity: 0.4;
  pointer-events: none;
}

.svg-A {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 40px #000);
}

.path-a-structure {
  fill: none;
  stroke: var(--color-svg-stroke);
  stroke-width: 130;
  stroke-linecap: round;
}

.climbing-poetry {
  font-weight: 300;
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.625rem);
  letter-spacing: clamp(0.4rem, 0.6vw, 0.75rem);
  fill: var(--color-accent);
  text-transform: lowercase;
  dominant-baseline: ideographic;
  transition: opacity 0.6s, filter 0.6s;
  opacity: 0.8;
  font-family: var(--font-display);
}

.climbing-poetry.active-glow {
  opacity: 1;
  fill: var(--color-crimson, #ff3d3d);
  filter: drop-shadow(0 0 14px rgba(255, 61, 61, 0.9)) drop-shadow(0 0 28px rgba(255, 61, 61, 0.5));
}

.ua-webkit-apple .climbing-poetry.active-glow {
  filter: drop-shadow(0 0 12px rgba(255, 61, 61, 0.85));
}

/* Ghost letter blur is expensive on Apple WebKit — disable it */
.ua-webkit-apple .ghost-letter {
  filter: none;
}

.plane-mid {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 5;
  pointer-events: none;
}

.ghost-letter {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22vw;
  color: var(--color-ghost-letter);
  text-shadow: -1px -1px 0 var(--color-ghost-edge);
  filter: blur(4px);
}

#letter-R {
  top: 15%;
  right: 15%;
}
#letter-V {
  bottom: 15%;
  right: 5%;
}
#letter-E {
  top: 45%;
  left: 35%;
  font-size: 8vw;
}

.plane-fore {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 10;
  pointer-events: none;
}

.chiseled-letter {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(8rem, 16vw, 20vw);
  color: var(--color-chiseled-letter);
  opacity: 0.85;
  text-shadow: -1.5px -1.5px 0px var(--color-chiseled-shadow), 10px 10px 30px var(--color-chiseled-deep-shadow);
}

#letter-C {
  top: 18%;
  left: 48%;
}
#letter-H {
  top: 45%;
  left: 58%;
}
#letter-I {
  top: 12%;
  left: 78%;
}

.lens-reveal {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 28;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  /* Must beat .plane-fore translateZ(300px) in Safari’s 3D sort — z-index alone is not enough */
  transform: translate3d(0, 0, 460px);
  transform-style: preserve-3d;
  /* Vars: JS updates position only — avoids reallocating a new gradient string every mousemove (cheaper on WebKit) */
  --lens-x: -500px;
  --lens-y: -500px;
  -webkit-mask-image: radial-gradient(circle 220px at var(--lens-x) var(--lens-y), black 40%, transparent 100%);
  mask-image: radial-gradient(circle 220px at var(--lens-x) var(--lens-y), black 40%, transparent 100%);
}

/* Big red POETRY — HSL vars: tweak --poetry-spark-l (lightness %) to dim/brighten the word.
   coming-soon.html copies these same --poetry-spark-* tokens for background POETRY — keep both in sync. */
.poetry-spark {
  --poetry-spark-h: 0deg;
--poetry-spark-s: 55%;
--poetry-spark-l: 52%;
  --poetry-spark-glow-l: 50%;
--poetry-spark-glow-alpha: 0.65;
--poetry-spark-glow-blur: 48px;
  font-family: var(--font-display);
  /* Bigger red POETRY: raise vw and max (rem); mobile block below has its own clamp */
  font-size: clamp(1.65rem, 6vw, 5.25rem);
  font-weight: 900;
  letter-spacing: clamp(0.22rem, 2.5vw, 2rem);
  color: hsl(var(--poetry-spark-h) var(--poetry-spark-s) var(--poetry-spark-l));
  /* ~20% softer than prior 50px / 0.7 rgba glow */
  filter: drop-shadow(0 0 var(--poetry-spark-glow-blur) hsl(var(--poetry-spark-h) var(--poetry-spark-s) var(--poetry-spark-glow-l) / var(--poetry-spark-glow-alpha)));
  text-align: center;
  max-width: min(94vw, 36rem);
  margin-inline: auto;
  padding-inline: clamp(0.5rem, 3vw, 1rem);
  box-sizing: border-box;
  line-height: 1.05;
}

/* Lighter glow on WebKit — keep cheaper blur; ~20% less than previous 22px / 0.55 */
.ua-webkit-apple .poetry-spark {
  --poetry-spark-glow-blur: 18px;
  --poetry-spark-glow-alpha: 0.44;
}

@media (max-width: 768px) {
  .home-bg-stage {
    background: radial-gradient(circle at 50% 50%, var(--color-bg-elevated) 0%, var(--color-bg-base) 100%);
  }
  .plane-fore {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .chiseled-letter {
    position: static;
    font-size: 25vw;
    margin: -4vh 0;
  }
  #letter-C,
  #letter-H,
  #letter-I {
    top: auto;
    left: auto;
  }
  .plane-deep {
    width: 140vw;
    left: -20%;
    opacity: 0.25;
  }
  .poetry-spark {
    font-size: clamp(1.45rem, 7.5vw, 3.15rem);
    letter-spacing: clamp(0.12rem, 2.2vw, 0.55rem);
    max-width: min(94vw, 32rem);
  }
}

/* PAGE SYSTEM */
.page {
  display: none;
  min-height: 100vh;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  z-index: var(--z-content);
  animation: pageFadeIn 0.8s ease-out;
}

.page.active {
  display: block;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MOBILE: Tighten page padding — use almost all screen width */
@media (max-width: 768px) {
  .page {
    padding: var(--space-lg) 0.5rem;
  }
}
@media (max-width: 480px) {
  .page {
    padding: var(--space-md) 0.35rem;
  }
}

/* HOME PAGE CONTENT */
#home {
  padding: 0;
  /* Full viewport on load — shows only the background animation.
     Slider #features is pushed below the fold and revealed on scroll. */
  min-height: 100vh;                    /* fallback: Safari < 15.4 */
  min-height: calc(var(--vh, 1vh) * 100); /* polyfill override */
  min-height: 100svh;                   /* modern: small viewport */
  display: block;
  position: relative;
  z-index: var(--z-content);
}


.home-viewport-top {
  height: 100vh;                    /* fallback: Safari < 15.4 */
  height: calc(var(--vh, 1vh) * 100); /* polyfill override */
  height: 100svh; /* svh = small viewport height: stable on mobile regardless of toolbar */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: var(--space-lg);
  position: relative;
}

/* Dark overlay layer */
#home::after {
  content: "";
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at center, rgba(0,0,0,0.4), rgba(0,0,0,0.75));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

/* When slider is in view, darken hero */
.hero-dimmed::after {
  opacity: 1;
}


.home-hero-section {
  min-height: 100vh;                    /* fallback: Safari < 15.4 */
  min-height: calc(var(--vh, 1vh) * 100); /* polyfill override */
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
}

/* .page-inner is in global.css */

.page-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  font-size: var(--text-base);
}

/* Ornamental divider — two fading lines flanking a small diamond */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  margin: calc(var(--space-md) * 2) auto;
  position: relative;
  height: 14px;
  gap: 14px;
}

/* Left fading line */
.section-divider::before {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent));
  opacity: 0.45;
}

/* Right fading line */
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to left, transparent, var(--color-accent));
  opacity: 0.45;
}

/* When two dividers are adjacent, hide the duplicate */
.section-divider + .section-divider {
  display: none;
}

/* Every visible (first of pair) divider gets the central diamond via background */
.section-divider:not(.section-divider + .section-divider) {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Crect x='1.17' y='1.17' width='5.66' height='5.66' transform='rotate(45 4 4)' fill='none' stroke='%23d4af37' stroke-width='0.7' opacity='0.6'/%3E%3C/svg%3E") center center no-repeat;
}

.portfolio-tabs {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-medium);
  justify-content: center;
}

.portfolio-tabs button {
  background: none;
  border: none;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-serif);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.portfolio-tabs button.active {
  color: var(--color-text-primary);
}

.portfolio-tabs button::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-fast);
}

.portfolio-tabs button.active::after,
.portfolio-tabs button:hover::after {
  transform: scaleX(1);
}

.portfolio-section {
  display: none;
}
.portfolio-section.active {
  display: block;
  animation: pageFadeIn 0.6s ease-out;
}

.books-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.book-item {
  position: relative;
  background: var(--color-bg-card-solid);
  padding: var(--space-md);
  border: 1px solid var(--color-border-subtle);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.book-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border-color: var(--color-border-strong);
}

/* Scoped: collection uses .book-cell .book-cover (see WORKS / books-row-grid section) */
.book-item .book-cover {
  width: 100%;
  background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-bg-base));
  border: 1px solid var(--color-border-medium);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  text-align: center;
  color: var(--color-accent);
}

.book-item h3 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.book-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.book-quote {
  color: var(--color-accent);
  font-size: var(--text-sm);
  border-left: 2px solid var(--color-accent);
  padding-left: 1rem;
}

.poems-collection {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.poem-item {
  background: var(--color-bg-card);
  padding: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  border-left: 3px solid var(--color-accent);
}

.poem-item:nth-child(even) {
  border-left: none;
  border-right: 3px solid var(--color-poem-border-mirror);
  margin-left: auto;
}

.poem-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  text-align: center;
}


.about-text {
  font-size: var(--text-xl);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* .sr-only, :focus-visible, prefers-reduced-motion are in global.css */

    /* ============================================
       FEATURE SLIDER (#features)
       Own height vars — do NOT use :root --slider-height (that’s for the book deck hero).
       Goal: image + text fit the slot; no stray horizontal scroll; inner text scroll only if quote is long.
       ============================================ */
    #features {
      overflow-x: clip;
      /* Target: entire #features section ≤ 82% of viewport height (incl. sticky nav).
         Overhead inside section: frame-padding(44px) + slider-nav-row(~112px) = 156px.
         vh fallback for Safari < 15.4 (svh/lvh/dvh unsupported — value resolves to invalid,
         falls back to height:auto without a vh base). @supports override for modern browsers. */
      --feature-slider-slot-h: min(calc(82vh - var(--nav-height, 62px) - 156px), 530px);
    }
    @supports (height: 1svh) {
      #features {
        --feature-slider-slot-h: min(calc(82svh - var(--nav-height, 62px) - 156px), 530px);
      }
    }

    .slider-section {
      max-width: 1400px;
      margin: 0 auto;
      min-width: 0;
    }

    .slider-frame {
      position: relative;
      display: flex;
      flex-direction: column;
      border: 1px solid var(--border-color);
      padding: 1.25rem 1.5rem 1.5rem;
      max-height: min(92vh, 920px);   /* fallback: Safari < 15.4 */
      max-height: min(92svh, 920px);
      overflow: hidden;
      background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
      box-shadow: 0 4px 6px -1px var(--shadow-color), 0 10px 20px -5px var(--shadow-color);
      min-width: 0;
    }

    .slider-frame::before {
      content: '';
      position: absolute;
      top: -1px;
      left: 4rem;
      right: 4rem;
      height: 1px;
      background: var(--accent-primary);
    }

    .slider-frame::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 25%;
      right: 25%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    }

    .slider-container {
      width: 100%;
      max-width: 100%;
      min-width: 0;
      height: var(--feature-slider-slot-h);
      min-height: 240px;
      overflow: hidden;
    }

    .slider-track {
      display: flex;
      height: 100%;
      min-height: 0;
      transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
.slider-slide {
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 0;
  padding: 0.75rem 0.5rem;
  box-sizing: border-box;
  container-type: inline-size;
  overflow: hidden;
}

    .slide-content {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      grid-template-rows: minmax(0, 1fr);
      gap: clamp(0.85rem, 2vw, 1.75rem);
      align-items: stretch;
      justify-items: stretch;
      min-width: 0;
      width: 100%;
      max-width: 100%;
      height: 100%;
      max-height: 100%;
      overflow: hidden;
    }

    .slide-image {
      position: relative;
      min-width: 0;
      min-height: 0;
      height: 100%;
      max-height: 100%;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .slide-image picture,
    .slide-image [data-gallery-item] {
      display: block;
      width: 100%;
      height: 100%;
    }

    .slide-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      opacity: 0.85;
      transition: opacity 0.5s ease, transform 0.7s ease;
      transform: translateZ(0);
    }

    .slide-image:hover img {
      opacity: 1;
      transform: scale(1.05) translateZ(0);
    }

    .slide-image::after {
      content: '';
      position: absolute;
      top: 0; right: 0; bottom: 0; left: 0;
      background: linear-gradient(to top, var(--shadow-color), transparent);
      pointer-events: none;
    }

    .slide-text {
      min-width: 0;
      min-height: 0;
      padding: 0.35rem 0;
      overflow-x: hidden;
      overflow-y: hidden;
      display: flex;
      flex-direction: column;
      /* Center the whole copy block in the column; text stays left via align-items + text-align */
      justify-content: center;
      align-items: flex-start;
      text-align: left;
      gap: 0.35rem;
    }

    /* block + wrap — inline-block caused horizontal overflow on narrow columns (WebKit) */
    .slide-quote {
      display: block;
      max-width: 100%;
      margin-top: 0.35rem;
      font-size: clamp(1.05rem, 1.65vw, 1.6rem);
      line-height: 1.45;
      color: var(--color-accent);
      letter-spacing: 0.03em;
      overflow-wrap: anywhere;
      hyphens: auto;
      text-align: left;
    }

    .slide-text > * {
      max-width: 100%;
    }

    .slide-label {
      font-size: var(--text-xs);
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-muted);
      display: block;
      margin-bottom: 1rem;
      text-align: left;
      width: 100%;
    }

    .slide-title {
      font-size: var(--text-lg);
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--text-primary);
      margin-bottom: 1.5rem;
      text-align: left;
      width: 100%;
    }

    .slide-desc {
      font-size: var(--text-md);
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 2rem;
    }

    .slide-link {
      display: inline-flex;
      align-items: center;
      gap: 0.75rem;
      font-size: var(--text-xs);
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-primary);
      text-decoration: none;
      transition: color var(--transition-fast);
    }

    .slide-link:hover {
      color: var(--accent-primary);
    }

    .slide-link svg {
      width: 16px;
      height: 16px;
      transition: transform var(--transition-fast);
    }

    .slide-link:hover svg {
      transform: translateX(4px);
    }

    .slider-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 2rem;
      padding-top: 2rem;
      border-top: 1px solid var(--border-color);
    }

    .slider-dots {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      /* Space between padded hit boxes — avoids WebKit overlap when ::before extended past gap */
      gap: 0.65rem 1rem;
      column-gap: max(1rem, 16px);
      row-gap: 0.5rem;
    }

    .slider-dot {
      /* ~44px min tap target; visible dot is only the content box (background-clip) */
      box-sizing: content-box;
      width: 11px;
      height: 11px;
      padding: max(14px, calc((44px - 11px) / 2));
      border-radius: 50%;
      background-color: var(--border-color);
      background-clip: content-box;
      border: none;
      margin: 0;
      cursor: pointer;
      transition: background-color var(--transition-fast), transform var(--transition-fast);
      flex-shrink: 0;
      appearance: none;
      -webkit-appearance: none;
      -webkit-tap-highlight-color: transparent;
      position: relative;
      transform-origin: center center;
    }

    .slider-dot:hover,
    .slider-dot.active {
      background-color: var(--accent-primary);
      transform: scale(1.35);
    }

    .slider-arrows {
      display: flex;
      gap: 0.5rem;
    }

    .slider-arrow {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-color);
      background: var(--bg-secondary);
      color: var(--text-secondary);
      cursor: pointer;
      transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    }

    .slider-arrow:hover {
      border-color: var(--accent-primary);
      color: var(--text-primary);
      background: var(--bg-tertiary);
    }

    .slider-arrow svg {
      width: 20px;
      height: 20px;
    }

    /* Tablet / iPad Pro / laptop / desktop: block centered in slot, copy left-aligned */
    @media (min-width: 769px) {
      .slide-text {
        justify-content: center;
        align-items: flex-start;
        text-align: left;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
      }

      .slide-label,
      .slide-title,
      .slide-quote {
        text-align: left;
        width: 100%;
      }

      .slide-link {
        justify-content: flex-start;
      }

      .slide-label {
        margin-bottom: 0.65rem;
      }

      .slide-title {
        margin-bottom: 0.85rem;
        font-size: clamp(1.35rem, 2.1vw, 1.85rem);
      }

      .slide-quote {
        font-size: clamp(1.08rem, 1.75vw, 1.58rem);
        line-height: 1.48;
        margin-top: 0.25rem;
      }
    }

    /* ---- Breakpoints: clean non-overlapping ranges (no cascade conflict) ----
       Width ranges:
         > 1280px  → default (82svh above)
         1025–1280 → small laptops / MacBook Air "More Space"
         769–1024  → tablets, iPad Pro landscape
         ≤ 768     → mobile (slider becomes auto-height, no slot needed)
       The old max-width:1200px rule is removed — it overlapped 1025–1280 causing the
       last-wins override to inflate the slot on small laptops. */

    /* Small laptops 1025–1280px */
    @media (min-width: 1025px) and (max-width: 1280px) {
      #features {
        --feature-slider-slot-h: min(calc(80vh - var(--nav-height, 62px) - 156px), 490px);
      }
      @supports (height: 1svh) {
        #features {
          --feature-slider-slot-h: min(calc(80svh - var(--nav-height, 62px) - 156px), 490px);
        }
      }

      .slide-quote {
        font-size: clamp(1.05rem, 1.85vw, 1.52rem);
      }
    }

    /* Tablets + small laptops ≤1024px */
    @media (max-width: 1024px) {
      #features {
        --feature-slider-slot-h: min(calc(78vh - var(--nav-height, 56px) - 156px), 430px);
      }
      @supports (height: 1svh) {
        #features {
          --feature-slider-slot-h: min(calc(78svh - var(--nav-height, 56px) - 156px), 430px);
        }
      }

      .slider-frame {
        padding: 1rem 1rem 1.25rem;
      }

      .slide-label {
        margin-bottom: 0.5rem;
      }

      .slide-title {
        margin-bottom: 0.65rem;
      }

      .slide-quote {
        font-size: clamp(1rem, 1.65vw, 1.2rem);
        line-height: 1.38;
      }
    }

    /* Mobile ≤768px — slider container becomes auto-height (no slot needed) */
    @media (max-width: 768px) {
      #features {
        /* Section header + nav + frame padding + dots — rest = full-bleed card */
        --feature-mobile-chrome: calc(12.5rem + env(safe-area-inset-top, 0px));
        --feature-slider-slot-h: calc(100vh - var(--feature-mobile-chrome)); /* vh fallback */
      }
      @supports (height: 1svh) {
        #features {
          --feature-slider-slot-h: calc(100svh - var(--feature-mobile-chrome));
        }
      }

      .slider-frame {
        padding: 0.45rem 0.5rem 0.5rem;
        max-height: none;
      }

      .slider-container {
        /* Natural height: image block + text block stacked.
           Page scroll moves the image up to reveal the full text — no inner scroll box. */
        height: auto;
        min-height: 0;
        max-height: none;
      }

      .slide-content {
        grid-template-columns: 1fr;
        /* Each row sizes to its content: image gets its fixed height, text gets what it needs */
        grid-template-rows: auto auto;
        gap: 0.45rem;
        align-items: stretch;
        height: auto;
      }

      .slider-slide {
        padding: 0.2rem 0.35rem;
        height: auto;
      }

      .slide-image {
        /* Fixed image height — vw-based so it never resizes as the browser toolbar shows/hides */
        height: clamp(180px, 65vw, 280px);
        min-height: 0;
      }

      .slide-image picture,
      .slide-image [data-gallery-item] {
        display: block;
        width: 100%;
        height: 100%;
      }

      .slide-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
      }

      .slide-text {
        height: auto;
        min-height: 0;
        padding: 0.5rem 0.75rem 0.6rem;
        justify-content: flex-start;
        align-items: stretch;
        text-align: left;
        overflow-y: visible;
        gap: 0.4rem;
      }

      /* Mobile only: label + title centered; quote + link from left margin */
      .slide-label,
      .slide-title {
        text-align: center;
        width: 100%;
      }

      .slide-quote {
        text-align: left;
        width: 100%;
        font-size: clamp(1.02rem, 4.9vw, 1.38rem);
        line-height: 1.46;
        margin-top: 0.15rem;
      }

      .slide-link {
        justify-content: flex-start;
        align-self: flex-start;
      }

      .slide-label {
        font-size: clamp(0.875rem, 2.8vw, 1rem);
        margin-bottom: 0.28rem;
        letter-spacing: 0.14em;
      }

      .slide-title {
        font-size: clamp(1.22rem, 5.8vw, 1.62rem);
        margin-bottom: 0.3rem;
      }

      .slider-nav {
        margin-top: 0.5rem;
        padding-top: 0.5rem;
      }

      .slider-arrow {
        width: 36px;
        height: 36px;
      }

      .slide-image:hover img {
        transform: scale(1.02) translateZ(0);
      }
    }

    @media (max-width: 480px) {
      #features {
        --feature-mobile-chrome: calc(11.25rem + env(safe-area-inset-top, 0px));
      }

      .slide-quote {
        font-size: clamp(1rem, 5.1vw, 1.28rem);
      }

      .slide-title {
        font-size: clamp(1.12rem, 6vw, 1.48rem);
      }

      .slider-slide {
        padding: 0.15rem 0.3rem;
      }
    }


/* ============================================
   HERO DECK SECTION
   (migrated from portfolio.css — home.html only)
   ============================================ */

/* --- Shared slider height variable ---
   Used by both the hero slider (.slide-image) and the book deck.
   Defined per breakpoint below for proportional scaling. */
:root {
  /* ~60% viewport on desktop / large laptops; high max so 4K/tall screens aren’t capped below 60vh */
  --slider-height: clamp(280px, 60vh, 1200px);
}

.hero {
  position: relative;
  width: 100%;
  height: 100svh;
  box-sizing: border-box;
  overflow: hidden;
  background-color: var(--bg-primary);
  padding-top: 4rem;
}

/* Homepage embedded hero — breaks out of .page-inner container */
#portfolio.page {
  overflow: visible;
  padding-left: 0;
  padding-right: 0;
}
#portfolio .page-inner {
  overflow: visible;
  padding-left: clamp(1.4rem, 1rem + 1.5vw, 2.2rem);
  padding-right: clamp(1.4rem, 1rem + 1.5vw, 2.2rem);
}

/* Compound selector — higher specificity than .hero to guarantee override on Safari */
.hero.portfolio-hero-embedded {
  /* Full-bleed: break out of page-inner max-width via the left+translateX trick */
  width: 100vw;
  max-width: 100vw;
  height: var(--slider-height);
  /* Never taller than the space below nav + page header + dividers (~320px of chrome) */
  max-height: calc(100svh - 340px);
  min-height: 0;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 0;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.hero-deck {
  display: flex;
  width: 100%;
  height: 100%;
}
a.deck-column {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Collection grid links: must stay flex column so .book-cover + .book-info share row height */
a.book-cell {
  text-decoration: none;
  color: inherit;
  min-height: 0;
}
.deck-column {
  position: relative;
  flex: 1;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 1px solid var(--border);
  contain: paint;              /* isolate repaints per column without breaking flex layout transitions */
}
.deck-column:last-child {
  border-right: none;
}
.deck-column:hover,
.deck-column.active {
  flex: 3;
}
/* :has() — Safari 15.4+, Chrome 105+. JS adds .has-hover / .has-active as fallback. */
.hero-deck:has(.deck-column:hover) .deck-column:not(:hover),
.hero-deck.has-hover .deck-column:not(:hover),
.hero-deck:has(.deck-column.active) .deck-column:not(.active),
.hero-deck.has-active .deck-column:not(.active) {
  flex: 0.6;
}

/* .active mirrors every :hover rule for the JS touch accordion */
.deck-column.active .column-image img {
  transform: scale(1) translateZ(0);
  opacity: 1;
}
.hero-deck:has(.deck-column.active) .deck-column:not(.active) .column-image img,
.hero-deck.has-active .deck-column:not(.active) .column-image img {
  opacity: 0.5;
}
.deck-column.active .column-overlay {
  opacity: 0.6;
}

.column-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.column-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1) translateZ(0); /* GPU-composited */
  transition: transform 0.8s ease, opacity 0.5s ease;
  /* will-change removed — 9 simultaneously promoted layers overwhelm Safari's GPU tile memory */
}
.deck-column:hover .column-image img {
  transform: scale(1) translateZ(0);
  opacity: 1;
}
.deck-column:not(:hover) .column-image img {
  /* opacity is GPU-composited and far cheaper than filter on Safari/macOS */
  opacity: 0.5;
}
.column-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(26, 29, 35, 0.2) 0%, rgba(26, 29, 35, 0.75) 100%);
  transition: opacity 0.5s ease;  /* opacity is GPU-composited; background transitions are expensive */
  transform: translateZ(0);
}
.deck-column:hover .column-overlay {
  opacity: 0.6;
}

.column-content {
  position: absolute;
  bottom: 4rem;
  left: 0;
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease 0.1s, transform 0.5s ease 0.1s;
}
.deck-column:hover .column-content,
.deck-column.active .column-content {
  opacity: 1;
  transform: translateY(0);
}

.deck-column .deck-title {
  font-family: var(--font-poetry);
  font-size: clamp(1.2rem, 2vw, 2rem);
  font-weight: 500;
  font-style: italic;
  color: var(--accent);
  line-height: 1.3;
}
.deck-column .book-genre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  z-index: 10;
}
.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  order: 2;
}
.scroll-line {
  /* SVG element — sized explicitly; viewBox="0 0 1 40" scales to fit */
  display: block;
  width: 1px;
  height: 40px;
}
.scroll-indicator .scroll-line-base {
  stroke: var(--border);
  stroke-width: 2;
}
.scroll-indicator .scroll-line-dash {
  /* stroke-dasharray: 8 unit bright segment, 100 unit gap (period 108 >> line 40).
     Ensures only one segment ever visible inside the 40-unit viewBox at a time.
     stroke-dashoffset 10  → segment at y [-10, -2]  = above line, invisible.
     stroke-dashoffset -42 → segment at y [ 42,  50] = below line, invisible.
     Animating 10 → -42 sweeps the segment cleanly top → bottom.
     stroke-dashoffset is GPU-composited on SVG — zero repaint, no Firefox bugs. */
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 15 100;
  stroke-dashoffset: 10;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { stroke-dashoffset:  10; }  /* segment above line  */
  100% { stroke-dashoffset: -42; }  /* segment below line  */
}

/* ============================================
   ABOUT SECTION
   (migrated from portfolio.css — home.html only)
   ============================================ */
.about {
  position: relative;
  padding: 8rem var(--padding-desktop);
  background-color: var(--bg-primary);
  overflow: hidden;
  contain: layout style;  /* isolate repaints */
}
.about-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 6rem;
  align-items: center;
}
.about-image {
  position: relative;
  padding-top: 16px;
  padding-right: 16px;
}
.about-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: -16px;
  right: 32px;
  bottom: 16px;
  border: 1px solid var(--accent, #d4a853);
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
  transition: opacity 0.5s ease;
}
.about-image:hover::before {
  opacity: 1;
}
.image-frame {
  position: relative;
  overflow: hidden;
  opacity: 0;
  z-index: 2;
  aspect-ratio: 3 / 4.5;
  /* Safari fallback: enforce tall portrait when aspect-ratio is ignored */
  min-height: 0;
  height: auto;
  animation: imageFadeIn 1.2s cubic-bezier(0.77, 0, 0.175, 1) 0.3s forwards;
}
/* Safari < 15 fallback via padding-top trick when aspect-ratio isn't supported */
@supports not (aspect-ratio: 3 / 4.5) {
  .image-frame {
    aspect-ratio: auto;
    padding-top: 150%;  /* 4.5/3 = 1.5 = 150% */
  }
  .image-frame img {
    position: absolute;
    top: 0; left: 0;
  }
}
.image-frame::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.15), transparent 40%);
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.image-frame:hover::after {
  opacity: 0.4;
}
@keyframes imageFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.7s ease, transform 0.7s ease;
}
.image-frame .gv-credit-badge {
  background: none;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: none;
  padding: 0;
  border-radius: 0;
  bottom: 10px;
  left: 10px;
}
.image-frame:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}
.signature {
  position: absolute;
  bottom: -72px;
  right: -2rem;
  width: 200px;
  height: auto;
}
.signature-path {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: drawSignature 2s ease forwards;
}
.signature-path:nth-child(1) { animation-delay: 1.5s; }
.signature-path:nth-child(2) { animation-delay: 1.8s; }
.signature-path:nth-child(3) { animation-delay: 2.1s; }
.signature-path:nth-child(4) { animation-delay: 2.4s; }
@keyframes drawSignature {
  to { stroke-dashoffset: 0; }
}
.about-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.75rem; /* explicit — flex gap alone collapses on small text in some Safari builds */
}
.about-title {
  font-family: var(--font-poetry);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
  padding-bottom: 0.6rem;    /* explicit spacing below title — Safari ignores flex gap on tight line-heights */
}
.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.about-text p {
  font-family: var(--font-poetry);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-secondary);
}
.about-stats {
  display: flex;
  gap: 4rem;
  margin-top: 1rem;
  flex-wrap: wrap;         /* prevent overflow on narrow screens */
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 4.5rem;       /* ensure each stat block has minimum width — prevents BOOKSLANGUAGES collapse */
}
.stat + .stat {
  margin-left: 0;          /* Safari flex-gap fallback: gap handles spacing */
}
.stat-number {
  font-family: var(--font-poetry);
  font-size: 3rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono), 'Courier New', monospace; /* explicit fallback for Apple if Space Mono not loaded */
  font-size: 1rem;      /* slightly larger to prevent rendering issues */
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;  /* wider spacing for legibility on Apple */
  white-space: nowrap;      /* never let BOOKS or LANGUAGES wrap/merge */
}

/* ============================================
   WORKS SECTION
   (migrated from portfolio.css — home.html only)
   ============================================ */
.works {
  position: relative;
  padding: 4rem var(--padding-desktop) 8rem;
  background-color: var(--bg-primary);
}
.works-header {
  max-width: var(--container-max);
  margin: 0 auto 3rem;
  text-align: center;
}
.works-title {
  font-family: var(--font-poetry);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  font-style: italic;
  color: var(--text-primary);
  margin-top: 0.8rem;
}
.works-ornament {
  width: 150px;
  margin: 1.5rem auto 0;
  color: var(--accent);
}

/* ============================================
   BOOK COLLECTION CARDS (from css/books.css)
   Shared look for #works .books-row-grid; books.html still uses css/books.css.
   ============================================ */
.grid-cell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  background-color: var(--bg-card, rgba(26, 26, 30, 0.8));
  transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
  min-height: 0;
  min-width: 0;
  margin: 0 !important;
  display: flex;
}

.grid-cell.hidden {
  display: none !important;
}

.book-cell {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.book-cell:hover {
  border-color: var(--border-accent, rgba(255, 255, 255, 0.2));
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.book-cover {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.6rem, 2vw, 1.2rem);
  overflow: hidden;
  background: var(--bg-primary, #0d0d0f);
}

.book-cover img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease;
  transform: translateZ(0);
}

.book-cell:hover .book-cover img {
  will-change: transform;
  transform: scale(1.04) translateZ(0);
}

.cover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 13, 15, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.book-cell:hover .cover-overlay {
  opacity: 1;
}

.view-label {
  font-family: var(--font-mono, 'Space Mono', monospace);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg-primary, #0d0d0f);
  background: var(--accent, #f0d78c);
  padding: 0.75rem 1.5rem;
  transform: translateY(10px);
  transition: transform 0.4s ease;
}

.book-cell:hover .view-label {
  transform: translateY(0);
}

.book-info {
  flex: 0 0 auto;
  padding: clamp(0.6rem, 1.2vw, 1rem) clamp(0.7rem, 1.5vw, 1.3rem);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-top: 1px solid var(--border, rgba(255, 255, 255, 0.08));
}

.book-year {
  font-family: var(--font-mono, 'Space Mono', monospace);
  font-size: clamp(0.875rem, 1.1vw, 1rem);
  color: var(--accent);
  letter-spacing: 0.1em;
}

.book-title {
  font-family: var(--font-poetry, 'Cormorant Garamond', serif);
  font-size: clamp(1.1rem, 1.8vw, 1.65rem);
  font-weight: 500;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.book-pub {
  font-family: var(--font-mono, 'Space Mono', monospace);
  font-size: clamp(0.875rem, 0.95vw, 1rem);
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.book-lang {
  font-family: var(--font-mono, 'Space Mono', monospace);
  font-size: clamp(0.875rem, 0.85vw, 1rem);
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .book-cover {
    padding: clamp(0.3rem, 1.2vw, 0.7rem);
  }

  .book-info {
    padding: clamp(0.35rem, 0.8vw, 0.55rem) clamp(0.4rem, 1vw, 0.7rem);
    gap: 0.08rem;
  }
}

@media (max-width: 480px) {
  .book-cover {
    padding: 0.4rem;
  }

  .book-info {
    padding: 0.4rem 0.5rem;
    gap: 0.05rem;
  }

  .book-title {
    font-size: 1rem;
    line-height: 1.3;
  }

  .book-year {
    font-size: 0.875rem;
  }

  .book-pub,
  .book-lang {
    font-size: 0.875rem;
  }
}

@media (max-width: 360px) {
  .book-title {
    font-size: 1rem;
  }
}

/* ============================================
   TESTIMONIALS
   (migrated from portfolio.css — home.html only)
   ============================================ */
.testimonials {
  position: relative;
  padding: 8rem var(--padding-desktop);
  background-color: var(--bg-secondary);
  contain: layout style;  /* isolate repaints */
}
.testimonials-header {
  max-width: var(--container-max);
  margin: 0 auto 4rem;
  text-align: center;
}
.testimonials-title {
  font-family: var(--font-poetry);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  font-style: italic;
  color: var(--text-primary);
  margin-top: 1rem;
}
.testimonials-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.testimonials-grid .testimonial-card:nth-child(3) {
  grid-column: 1 / -1;
}
.testimonial-card {
  position: relative;
  padding: 3rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.4s ease, border-color 0.4s ease;
  container-type: inline-size;
}
.testimonial-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-accent);
}
.quote-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 1.5rem;
}
.testimonial-quote {
  font-family: var(--font-poetry);
  font-size: clamp(1.25rem, 5cqw, 1.55rem);
  line-height: 1.75;
  color: var(--text-secondary);
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 2rem;
}
.author-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}
.author-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
}

/* ============================================
   WORKS FULLWIDTH — BOOKS ROW GRID
   (migrated from portfolio.css — home.html only)
   ============================================ */
.works-fullwidth {
  padding: 1.5rem 0 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.works-fullwidth .works-header {
  padding: 0 clamp(1.4rem, 1rem + 1.5vw, 2.2rem);
  margin-bottom: 1rem;
  flex: 0 0 auto;
}

.books-row-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(0.35rem, 0.6vw, 0.8rem);
  padding: 0;
  background-color: var(--bg-primary);
  width: 100%;
  max-width: 100%;
  position: relative;
  box-sizing: border-box;
  flex: 1 1 0;
  min-height: 0;
}

/* Desktop: “The Collection” title sits above in normal flow; grid fills viewport from nav bar to bottom, full width */
@media (min-width: 1025px) {
  .works.works-fullwidth {
    padding-left: 0;
    padding-right: 0;
    padding-top: clamp(0.4rem, 1vw, 1rem);
    padding-bottom: clamp(2rem, 4vw, 4rem);
    display: block;
    overflow: visible;
  }

  .works-fullwidth .works-header {
    margin-bottom: 0.6rem;
  }

  .books-row-grid {
    /* Match the hero deck width (80vw), centred */
    width: 80vw;
    max-width: 80vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-inline: 0;
    flex: none;
  }
}

.books-row-grid .grid-cell {
  margin: 0 !important;
}

.books-row-grid .book-cell {
  min-height: 0;
  align-self: stretch;
  overflow: hidden;
}

/* Title block always visible; cover takes remaining row height */
.books-row-grid .book-info {
  flex-shrink: 0;
}

.books-row-grid .book-cover {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
}

.books-row-grid .book-cover img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

/* First 5 books: each spans 2 columns */
.books-row-grid .book-cell:nth-child(1) { grid-column: 1 / 3; }
.books-row-grid .book-cell:nth-child(2) { grid-column: 3 / 5; }
.books-row-grid .book-cell:nth-child(3) { grid-column: 5 / 7; }
.books-row-grid .book-cell:nth-child(4) { grid-column: 7 / 9; }
.books-row-grid .book-cell:nth-child(5) { grid-column: 9 / 11; }

/* Last 4 books: centred on row 2 */
.books-row-grid .book-cell:nth-child(6) { grid-column: 2 / 4;  grid-row: 2; }
.books-row-grid .book-cell:nth-child(7) { grid-column: 4 / 6;  grid-row: 2; }
.books-row-grid .book-cell:nth-child(8) { grid-column: 6 / 8;  grid-row: 2; }
.books-row-grid .book-cell:nth-child(9) { grid-column: 8 / 10; grid-row: 2; }

/* ============================================
   POETRY FRAGMENTS
   (migrated from portfolio.css — home.html only)
   ============================================ */
.poetry-fragments {
  padding: clamp(3rem, 4vw, 6rem) clamp(1.4rem, 1rem + 1.5vw, 2.2rem);
  background-color: var(--bg-secondary, rgba(20,20,24,1));
  contain: layout style;  /* isolate repaints */
}

.fragments-container {
  max-width: var(--container-max, 1400px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}

.fragment-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2.5rem, 4vw, 4.5rem) clamp(2rem, 3vw, 4rem);
  position: relative;
}

/* Staggered layout: odd items align right, even items align left */
.fragment-item:nth-child(odd) {
  border-right: 1px solid var(--border, rgba(255,255,255,0.08));
}

.fragment-item:nth-child(even) {
  border-left: none;
}

/* Subtle top border on items after the first row */
.fragment-item:nth-child(n+3) {
  border-top: 1px solid var(--border, rgba(255,255,255,0.08));
}

.quote-fragment {
  text-align: left;
}

.quote-fragment .quote-text {
  font-family: var(--font-poetry, 'Cormorant Garamond', serif);
  font-size: clamp(1.25rem, 1.8vw, 1.55rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent, #d4af37);
  opacity: 0.85;
  transition: opacity 0.4s ease;
}

.quote-fragment:hover .quote-text {
  opacity: 1;
}

.decor-fragment {
  color: var(--accent);
  max-width: 120px;
}

.decor-fragment svg {
  width: 100%;
  height: auto;
}

.spine-fragment {
  max-width: 100px;
}

.spine-fragment svg {
  width: 80%;
  height: auto;
}

/* ============================================
   GALLERY MASONRY SECTION (#masonry)
   Canvas must sit as a dark background layer;
   all other section children layer above it.
   ============================================ */
.gallery-section {
  position: relative;
  overflow: hidden;
  /* Dark base guaranteed by CSS — independent of canvas timing, z-index, or
     button/element default backgrounds. Canvas gold tiles layer on top as texture. */
  background: #070502;
}

/* Mosaic canvas: absolute background layer, pointer-events off */
.gallery-mosaic-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}

/* Everything else inside the section sits above the canvas */
.gallery-section > :not(.gallery-mosaic-bg) {
  position: relative;
  z-index: 1;
}

/* Gallery header — transparent so dark section bg shows through */
.gallery-header {
  background: transparent;
}

/* Masonry layout containers — transparent wrappers */
.masonry-portrait-rows,
.masonry-row-5,
.masonry-row-hero {
  background: transparent;
}

/* Masonry item buttons — reset browser-default ButtonFace background.
   Without this, <button> elements show an opaque grey/white fill on
   light themes, completely hiding the dark mosaic behind them. */
.masonry-item {
  background: transparent;
  border: none;
  padding: 0;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

/* ============================================
   SCROLL ANIMATIONS — pure CSS (no JS)
   ============================================ */
@keyframes scrollFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* Default: visible when scroll-driven timeline is unsupported (Safari < 15.4, etc.) */
.animate-on-scroll {
  opacity: 1;
  transform: translateY(0);
}
@supports (animation-timeline: view()) {
  .animate-on-scroll {
    animation: scrollFadeIn ease both;
    animation-timeline: view();
    animation-range: entry 0% entry 30%;
  }
}
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* ============================================
   RESPONSIVE — PORTFOLIO SECTIONS
   (migrated from portfolio.css — home.html only)
   ============================================ */

/* Tablet ≤1024px */
@media (max-width: 1024px) {
  :root {
    --slider-height: clamp(240px, 52vh, 640px);
  }
  .about-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }
  .signature {
    bottom: -48px;
    right: 0;
    width: 130px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .deck-column .column-content {
    opacity: 1;
    transform: translateY(0);
  }

  /* Books row grid tablet: 6-col grid (3 rows of 3) */
  .works-fullwidth {
    min-height: auto;
    height: auto;
    max-height: none;
    overflow: visible;
    display: block;               /* break out of flex — let children size naturally */
  }
  .books-row-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto auto auto;
    flex: none;                   /* override flex: 1 1 0 which collapses height */
    width: 100%;
    max-width: none;
    margin-inline: 0;
    position: static;           /* reset desktop full-bleed positioning */
    left: auto;
    transform: none;
    height: auto;
    min-height: 0;
    max-height: none;
  }
  .books-row-grid .book-cell {
    min-height: clamp(220px, 30vh, 340px);
  }
  .books-row-grid .book-cell:nth-child(1) { grid-column: 1 / 3; grid-row: 1; }
  .books-row-grid .book-cell:nth-child(2) { grid-column: 3 / 5; grid-row: 1; }
  .books-row-grid .book-cell:nth-child(3) { grid-column: 5 / 7; grid-row: 1; }
  .books-row-grid .book-cell:nth-child(4) { grid-column: 1 / 3; grid-row: 2; }
  .books-row-grid .book-cell:nth-child(5) { grid-column: 3 / 5; grid-row: 2; }
  .books-row-grid .book-cell:nth-child(6) { grid-column: 5 / 7; grid-row: 2; }
  .books-row-grid .book-cell:nth-child(7) { grid-column: 1 / 3; grid-row: 3; }
  .books-row-grid .book-cell:nth-child(8) { grid-column: 3 / 5; grid-row: 3; }
  .books-row-grid .book-cell:nth-child(9) { grid-column: 5 / 7; grid-row: 3; }
}

/* Mobile ≤768px: hero becomes horizontal carousel (taller deck — 2× prior slot) */
@media (max-width: 768px) {
  :root {
    --slider-height: clamp(360px, 72vh, 680px);
  }
  .hero {
    height: auto;
    min-height: 55vh;
    padding-top: 4rem;
  }

  .hero.portfolio-hero-embedded {
    width: 100vw;
    max-width: 100vw;
    height: var(--slider-height);
    min-height: 0;
    padding-top: 0;
  }

  .hero-deck {
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
    height: 100%;
    scrollbar-width: none;
  }
  .hero-deck::-webkit-scrollbar {
    display: none;
  }

  .deck-column {
    flex: 0 0 70vw;
    height: 100%;
    border-right: 1px solid var(--border);
    scroll-snap-align: center;
  }
  .deck-column:hover {
    flex: 0 0 70vw;
  }
  .hero-deck:has(.deck-column:hover) .deck-column:not(:hover),
  .hero-deck.has-hover .deck-column:not(:hover) {
    flex: 0 0 70vw;
  }

  .column-content {
    bottom: 2.5rem;
    padding: 1rem 1.2rem;
    opacity: 1;
    transform: translateY(0);
  }

  .deck-column .deck-title {
    font-size: 1.1rem;
  }
  .deck-column .book-genre {
    font-size: 0.875rem;
  }

  .deck-column .column-image img {
    opacity: 1;  /* mobile: all columns fully visible, no dimming */
  }

  .scroll-indicator {
    bottom: 0.5rem;
  }
  .scroll-line {
    height: 25px;
  }

  .about {
    padding: 3rem var(--padding-mobile);
  }

  .image-frame {
    opacity: 1;
    animation: none;
    transform: none;
  }

  .about-image {
    max-width: 280px;
    padding-top: 10px;
    padding-right: 10px;
  }
  .about-image::before {
    left: -10px;
    right: 20px;
    bottom: 10px;
  }

  .about-stats {
    flex-direction: row;
    gap: 3rem;
  }
  .stat-number {
    font-size: 2.5rem;
  }

  .works {
    padding: 2rem var(--padding-mobile) 3rem;
  }
  .works-header {
    margin-bottom: 1.5rem;
  }

  .testimonials {
    padding: 3rem var(--padding-mobile);
  }
  .testimonial-card {
    padding: 2rem;
  }

  /* Books row grid mobile: 2-col — all 9 books visible */
  .works-fullwidth {
    min-height: auto;
    height: auto;
    max-height: none;
    overflow: visible;
    display: block;                  /* break out of flex — let children size naturally */
  }
  .books-row-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: none;       /* clear desktop explicit 2-row layout */
    grid-auto-rows: 1fr;            /* all rows equal height */
    flex: none;                     /* override flex: 1 1 0 which collapses height to 0 */
    width: 100%;
    max-width: 100%;
    position: static;               /* reset desktop full-bleed positioning */
    left: auto;
    transform: none;
    margin-inline: 0;
    height: auto;                   /* ensure grid takes natural height */
  }
  .books-row-grid .book-cell:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }
  .books-row-grid .book-cell {
    min-height: clamp(240px, 42vh, 380px);   /* taller cells — bigger book images */
  }
  .books-row-grid .book-cover {
    padding: clamp(0.4rem, 1.5vw, 0.8rem);  /* tighter padding = more room for image */
  }
  .books-row-grid .book-cell:nth-child(9) {
    grid-column: 1 / -1;
  }

  .works-fullwidth {
    padding-top: 2rem;
  }

  .fragments-container {
    grid-template-columns: 1fr;
  }

  .fragment-item:nth-child(odd) {
    border-right: none;
  }

  .fragment-item:nth-child(n+2) {
    border-top: 1px solid var(--border, rgba(255,255,255,0.08));
  }
}

/* Phone ≤480px */
@media (max-width: 480px) {
  :root {
    --slider-height: clamp(320px, 64vh, 560px);
  }
  .hero {
    min-height: 45vh;
  }

  .hero.portfolio-hero-embedded {
    width: 100vw;
    max-width: 100vw;
    height: var(--slider-height);
    min-height: 0;
  }

  .hero-deck {
    height: 100%;
  }

  .deck-column {
    flex: 0 0 75vw;
  }
  .deck-column:hover {
    flex: 0 0 75vw;
  }
  .hero-deck:has(.deck-column:hover) .deck-column:not(:hover),
  .hero-deck.has-hover .deck-column:not(:hover) {
    flex: 0 0 75vw;
  }

  .column-content {
    bottom: 2rem;
    padding: 0.8rem 1rem;
  }

  .deck-column .deck-title {
    font-size: 1rem;
  }
  .deck-column .book-genre {
    font-size: 0.875rem;
  }

  .about {
    padding: 3rem 1rem;
  }
  .about-image {
    max-width: 220px;
  }
  .about-title {
    font-size: 2rem;
  }
  .about-text p {
    font-size: 1.1rem;
  }
  .about-stats {
    gap: 2rem;
  }
  .stat-number {
    font-size: 2rem;
  }

  /* General rule ≤480px: section h-padding ≤ 0.75rem, card h-padding ≤ 0.75rem,
     text-heavy grids → 1 col, image grids (books) stay 2-col */

  .works {
    padding: 2rem 0.25rem 3rem; /* was 0.5rem sides / 4rem bottom — reclaim ~4px/side for books */
  }

  /* Testimonials: collapse to 1 column — BUG FIX (was still 2-col at ≤480px) */
  .testimonials {
    padding: 2.5rem 0.75rem; /* was 3rem 1rem */
  }
  .testimonials-grid {
    grid-template-columns: 1fr; /* 2-col at 375px → 107px content width. Fixed. */
    gap: 1rem;
  }
  .testimonials-grid .testimonial-card:nth-child(3) {
    grid-column: auto; /* cancel desktop 1/-1 span — irrelevant at 1 col */
  }
  .testimonial-card {
    padding: 1.25rem 0.75rem; /* was 1.5rem all sides */
  }
  .testimonial-quote {
    font-size: 1rem;
  }

  /* Fragment quotes: reduce padding (was clamp(2rem, 3vw, 4rem) = 32px at 375px) */
  .fragment-item {
    padding: 1.5rem 0.75rem;
  }

  /* Feature slider quote text: minor gain on very small screens */
  .slide-text {
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  /* Books row grid phone: 2-col, tight gaps, all books visible */
  .books-row-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: none;
    grid-auto-rows: 1fr;
    gap: 0.25rem;
    padding: 0; /* was 0 0.25rem — remove extra side padding */
  }
  .books-row-grid .book-cell:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }
  .books-row-grid .book-cell {
    min-height: clamp(220px, 38vh, 340px);   /* taller = bigger images on small screens */
  }
  .books-row-grid .book-cover {
    padding: 0.3rem;
  }
  .books-row-grid .book-cell:nth-child(9) {
    grid-column: 1 / -1;
  }

  .fragments-container {
    grid-template-columns: 1fr;
  }

  .fragment-item:nth-child(odd) {
    border-right: none;
  }

  .decor-fragment {
    max-width: 70px;
  }

  .spine-fragment {
    max-width: 60px;
  }
}

/* ── Touch devices with large screens (iPads landscape, Surface tablets, touch laptops) ──────────
   Phones get the scroll carousel via max-width: 768px above.
   Tablets at ≥769px get the full accordion — JS toggles .active on tap
   (first tap expands, second tap on same column navigates). */
@media (hover: none) and (min-width: 769px) {
  /* :not(:hover) dims all columns on desktop because hover never fires on touch —
     reset to full opacity so all columns look open/inviting by default */
  .deck-column .column-image img {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }

  /* Show column content at reduced opacity as a tap affordance hint */
  .column-content {
    opacity: 0.55;
    transform: translateY(0);
  }
}


/* ============================================
   APPLE SAFARI PERFORMANCE OVERRIDES
   (.ua-webkit-apple on <html> — Safari macOS/iOS
    only, excludes Chrome / Android / Edge)

   MacBook Air has integrated GPU (shared RAM).
   will-change:transform on parallax planes keeps
   3 large viewport-sized textures in GPU memory
   permanently. Removing the hint lets the browser
   manage layer promotion dynamically — planes still
   animate correctly via JS translate3d(), the browser
   just creates/releases the GPU texture as needed
   rather than holding it for the entire page session.
   ============================================ */

/* Release permanently-allocated GPU layers for the 3 parallax planes */
.ua-webkit-apple .plane-deep,
.ua-webkit-apple .plane-mid,
.ua-webkit-apple .plane-fore {
  will-change: auto;
}

/* Same for the lens reveal element (translate3d at Z=460px) */
.ua-webkit-apple .lens-reveal {
  will-change: auto;
}

/* Book hover: skip eager layer pre-promotion — browser handles on demand */
.ua-webkit-apple .book-cell:hover .book-cover img {
  will-change: auto;
}

/* Book image grayscale filter: skip on Safari — filter breaks
   the GPU compositing fast path, forcing CPU repaint on scroll */
.ua-webkit-apple .image-frame img {
  filter: none;
}
.ua-webkit-apple .image-frame img:hover {
  filter: none;
}

/* ============================================================
   SCROLL-008 — render cost containment (audit P1-3, 2026-06-13)
   Below-fold gallery rows skip style/layout/paint until scrolled
   near. Rows are image-sized (explicit width/height), so the
   "auto 400px" estimate only matters before first render.
   Older browsers ignore both properties (progressive perf only).
   ============================================================ */
.masonry-row-5,
.masonry-row-hero {
  content-visibility: auto;
  contain-intrinsic-size: auto 400px;
}