/* ==========================================================================
   BO2K — Mobile-First Layout & Responsive View Architecture
   ========================================================================== */

/* Main Container Shell */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 16px));
}

@media (min-width: 840px) {
  .app-shell {
    padding-bottom: 0;
  }
}

/* ==========================================================================
   TOP MASTHEAD / HEADER
   ========================================================================== */
.top-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-height);
  background-color: rgba(248, 245, 238, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.header-inner {
  max-width: var(--max-content-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Wordmark */
.brand-wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}

.brand-tag-micro {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: none;
}

@media (min-width: 640px) {
  .brand-tag-micro {
    display: inline-block;
  }
}

/* Header Action Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
}

.header-search-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.header-search-btn span.search-hint {
  display: none;
}

@media (min-width: 640px) {
  .header-search-btn span.search-hint {
    display: inline;
    font-size: 0.75rem;
    color: var(--text-muted);
  }
}

/* Desktop Navigation Menu Links (Hidden on Mobile) */
.desktop-nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin-right: 1.5rem;
}

@media (min-width: 840px) {
  .desktop-nav-links {
    display: flex;
  }
}

.desktop-nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.desktop-nav-link:hover,
.desktop-nav-link.active {
  color: var(--text-primary);
}

.desktop-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
}

/* ==========================================================================
   MOBILE BOTTOM NAVIGATION DOCK
   ========================================================================== */
.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background-color: rgba(248, 245, 238, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-around;
  transition: transform var(--transition-normal);
}

@media (min-width: 840px) {
  .mobile-bottom-nav {
    display: none;
  }
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.bottom-nav-item.active {
  color: var(--text-primary);
}

.bottom-nav-icon {
  width: 20px;
  height: 20px;
  stroke-width: 1.6;
}

.bottom-nav-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   VIEW CONTAINER & TRANSITIONS
   ========================================================================== */
.view-container {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  animation: viewFadeIn 320ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (min-width: 840px) {
  .view-container {
    padding: 3rem 2.5rem 5rem;
  }
}

@keyframes viewFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   VIEW SPECIFIC LAYOUTS
   ========================================================================== */

/* ==========================================================================
   ANIMATED MARQUEE HERO (Adapted from 21st.dev Template)
   ========================================================================== */

.hero-marquee-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 0.5rem 3.5rem;
}

@media (min-width: 768px) {
  .hero-marquee-section {
    padding: 3rem 1.5rem 5rem;
  }
}

.hero-marquee-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 780px;
  margin: 0 auto;
}

/* Tagline Pill Badge */
.hero-marquee-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(17, 17, 15, 0.03);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-leather, #C5A86E);
  display: inline-block;
}

/* Grand Typography Title */
.hero-marquee-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 7.5vw, 4.85rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0 0 1.25rem;
}

/* Subtitle / Description */
.hero-marquee-desc {
  font-size: clamp(1rem, 2.5vw, 1.1875rem);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.25rem;
}

/* Hero Action Buttons */
.hero-marquee-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  margin-bottom: 3.5rem;
}

.btn-marquee-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-pill);
  background-color: var(--text-primary, #11110F);
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 24px rgba(17, 17, 15, 0.15);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  cursor: pointer;
}

.btn-marquee-cta:hover {
  transform: scale(1.03);
  background-color: #242422;
  box-shadow: 0 12px 30px rgba(17, 17, 15, 0.22);
}

.btn-marquee-cta:active {
  transform: scale(0.97);
}

.btn-marquee-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
  cursor: pointer;
}

.btn-marquee-secondary:hover {
  transform: scale(1.03);
  border-color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.9);
}

.btn-marquee-secondary:active {
  transform: scale(0.97);
}

/* ==========================================================================
   ANIMATED IMAGE MARQUEE TRACK (Continuous Infinite Loop)
   ========================================================================== */

.hero-marquee-wrapper {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
  padding: 1.25rem 0 2.25rem;
  /* Horizontal gradient mask for elegant edge fade */
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.hero-marquee-track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  will-change: transform;
  animation: heroMarqueeScroll 42s linear infinite;
}

/* Pause on hover so users can browse and click covers */
.hero-marquee-wrapper:hover .hero-marquee-track {
  animation-play-state: paused;
}

/* Individual Book Cover Card with Organic Tilts */
.hero-marquee-item {
  position: relative;
  flex-shrink: 0;
  width: 135px;
  height: 202px;
  border-radius: 12px;
  transform: rotate(var(--card-tilt, 0deg));
  transition: transform 220ms ease, box-shadow 220ms ease;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(17, 17, 15, 0.12);
  user-select: none;
  background-color: #EFEBE4;
}

@media (min-width: 768px) {
  .hero-marquee-item {
    width: 170px;
    height: 255px;
    border-radius: 14px;
    box-shadow: 0 12px 28px rgba(17, 17, 15, 0.14);
  }
}

.hero-marquee-item:hover {
  transform: translateY(-8px) scale(1.05) rotate(0deg) !important;
  box-shadow: 0 20px 40px rgba(17, 17, 15, 0.22);
  z-index: 20;
}

.hero-marquee-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
  pointer-events: none;
}

/* Smooth continuous marquee keyframe animation */
@keyframes heroMarqueeScroll {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

/* Category Pill Navigation */
.category-nav-wrapper {
  margin: 1.5rem 0 2.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
}

.category-nav-wrapper::-webkit-scrollbar {
  display: none;
}

.category-nav-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: max-content;
  list-style: none;
}

/* Desktop Archive Grid/List Splitting */
.archive-layout {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

@media (min-width: 1024px) {
  .archive-layout-two-col {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 3.5rem;
    align-items: start;
  }
}

/* ==========================================================================
   21ST.DEV BEAM WORDMARK FOOTER (BO2K Warm Editorial & Theme-Synchronized)
   ========================================================================== */

.bwf {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  container-type: inline-size;
  background-color: var(--bg-surface, #F2EDE2);
  color: var(--text-primary, #11110F);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  touch-action: pan-y;
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 16px));
  border-top: 1px solid var(--border-subtle, #D8D3C8);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

@media (min-width: 840px) {
  .bwf {
    padding-bottom: 0;
  }
}

:where(.bwf) a {
  color: inherit;
  text-decoration: none;
}

:where(.bwf) button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

:where(.bwf) ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

:where(.bwf) p {
  margin: 0;
}

.bwf svg {
  max-width: none;
  display: block;
}

.bwf .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;
}

/* The top hairline rule: warm border with a moving golden light highlight */
.bwf-rule {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  z-index: 3;
  background: linear-gradient(
    90deg, 
    var(--border-subtle, #D8D3C8), 
    rgba(197, 168, 110, 0.75) 50%, 
    var(--border-subtle, #D8D3C8)
  );
}

/* Sky & Ambient Light Backdrop */
.bwf-sky {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bwf-wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(100% 70% at 10% 0%, rgba(197, 168, 110, 0.12), transparent 55%),
              radial-gradient(80% 60% at 90% 10%, rgba(140, 74, 47, 0.07), transparent 60%),
              linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, transparent 60%);
}

[data-theme="midnight"] .bwf-wash {
  background: radial-gradient(100% 70% at 10% 0%, rgba(100, 140, 255, 0.12), transparent 55%),
              radial-gradient(80% 60% at 90% 10%, rgba(140, 160, 255, 0.06), transparent 60%),
              linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
}

.bwf-bands {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(52, 51, 47, 0.02) 0 1.6cqw, transparent 1.6cqw 4.2cqw);
  -webkit-mask-image: linear-gradient(100deg, #000 0%, transparent 70%);
  mask-image: linear-gradient(100deg, #000 0%, transparent 70%);
  opacity: 0.9;
}

[data-theme="midnight"] .bwf-bands {
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0 1.6cqw, transparent 1.6cqw 4.2cqw);
}

/* Hardware-Accelerated Light Shaft (GPU Compositor Thread — ZERO Main Thread Lag) */
.bwf-beam {
  position: absolute;
  inset: -20% -30%;
  pointer-events: none;
  will-change: transform;
  transform: translate3d(var(--bwf-beam-x, 0px), 0, 0);
  animation: bwf-drift 16s ease-in-out infinite alternate;
  background: linear-gradient(
    118deg,
    transparent 38%,
    rgba(197, 168, 110, 0.07) 46%,
    rgba(197, 168, 110, 0.28) 50%,
    rgba(197, 168, 110, 0.07) 54%,
    transparent 62%
  );
}

[data-theme="midnight"] .bwf-beam {
  background: linear-gradient(
    118deg,
    transparent 38%,
    rgba(120, 160, 255, 0.08) 46%,
    rgba(160, 190, 255, 0.28) 50%,
    rgba(120, 160, 255, 0.08) 54%,
    transparent 62%
  );
}

@keyframes bwf-drift {
  0% { transform: translate3d(-60px, 0, 0); }
  100% { transform: translate3d(60px, 0, 0); }
}

.bwf-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--bwf-g, 0);
  transition: opacity 0.3s ease;
  background: radial-gradient(circle 260px at var(--bwf-px, 50%) var(--bwf-py, 50%), rgba(197, 168, 110, 0.22), transparent 70%);
}

[data-theme="midnight"] .bwf-glow {
  background: radial-gradient(circle 260px at var(--bwf-px, 50%) var(--bwf-py, 50%), rgba(120, 160, 255, 0.22), transparent 70%);
}

/* Layout */
.bwf-inner {
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(48px, 8.5cqw, 104px) clamp(20px, 6cqw, 88px) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.86fr) minmax(0, 0.86fr);
  column-gap: clamp(24px, 4cqw, 48px);
  row-gap: 44px;
}

.bwf-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--accent-leather, #8C4A2F);
  padding-bottom: 12px;
  position: relative;
  display: block;
}

.bwf-label::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(140, 74, 47, 0.45), rgba(197, 168, 110, 0.25));
  transform-origin: 0 50%;
  transform: scaleX(var(--bwf-line, 1));
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.1, 1) var(--bwf-d, 0ms);
}

[data-theme="midnight"] .bwf-label {
  color: #A0B8FF;
}

[data-theme="midnight"] .bwf-label::after {
  background: linear-gradient(90deg, rgba(160, 184, 255, 0.45), rgba(160, 184, 255, 0.15));
}

.bwf[data-in='false'] .bwf-label::after {
  --bwf-line: 0;
}

.bwf-col {
  min-width: 0;
}

.bwf-col:nth-child(1) {
  max-width: 420px;
}

.bwf-fade {
  transition: opacity 0.5s ease var(--bwf-d, 0ms), translate 0.5s cubic-bezier(0.2, 0.7, 0.1, 1) var(--bwf-d, 0ms);
}

.bwf[data-in='false'] .bwf-fade {
  opacity: 0;
  translate: 0 10px;
}

/* Socials: tactile paper/glass squares */
.bwf-socials {
  display: flex;
  gap: 14px;
  margin-top: 13px;
}

.bwf-soc {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm, 3px);
  color: var(--text-secondary, #34332F);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-subtle, #D8D3C8);
  box-shadow: 0 1px 3px rgba(17, 17, 15, 0.04);
  transition: color 0.2s, border-color 0.2s, transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.2s, box-shadow 0.2s;
}

[data-theme="midnight"] .bwf-soc {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary, #CBD2DE);
  border-color: rgba(255, 255, 255, 0.12);
}

.bwf-soc svg {
  width: 18px;
  height: 18px;
}

.bwf-soc:hover,
.bwf-soc:focus-visible {
  color: var(--text-primary, #11110F);
  border-color: var(--accent-leather, #8C4A2F);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(140, 74, 47, 0.16);
}

[data-theme="midnight"] .bwf-soc:hover,
[data-theme="midnight"] .bwf-soc:focus-visible {
  color: #fff;
  border-color: #7B9DFF;
  background: rgba(123, 157, 255, 0.18);
  box-shadow: 0 4px 14px rgba(123, 157, 255, 0.35);
}

.bwf-soc:focus-visible {
  outline: none;
}

.bwf-tip {
  position: absolute;
  z-index: 5;
  left: 50%;
  top: calc(100% + 9px);
  translate: -50% -4px;
  white-space: nowrap;
  font-size: 11px;
  line-height: 1;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--text-primary, #11110F);
  color: var(--bg-primary, #F8F5EE);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, translate 0.25s;
}

[data-theme="midnight"] .bwf-tip {
  background: #F0F2F6;
  color: #12151B;
}

.bwf-tip::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 100%;
  margin-left: -4px;
  border: 4px solid transparent;
  border-bottom-color: var(--text-primary, #11110F);
}

[data-theme="midnight"] .bwf-tip::after {
  border-bottom-color: #F0F2F6;
}

.bwf-soc:hover .bwf-tip,
.bwf-soc:focus-visible .bwf-tip {
  opacity: 1;
  translate: -50% 0;
}

/* Credits */
.bwf-credits {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted, #6B675E);
}

.bwf-credits p + p {
  margin-top: 3px;
}

.bwf-credits b {
  font-weight: 600;
  color: var(--text-primary, #11110F);
}

/* Link columns */
.bwf-links {
  margin-top: 13px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bwf-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 20px;
  color: var(--text-secondary, #34332F);
  transition: color 0.2s;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  width: 100%;
}

.bwf-link-t {
  display: inline-block;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.bwf-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  margin-top: 0;
  background: var(--accent-leather, #8C4A2F);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-theme="midnight"] .bwf-link::before {
  background: #7B9DFF;
}

.bwf-link svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  translate: -6px 0;
  color: var(--accent-leather, #8C4A2F);
  transition: opacity 0.2s, translate 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-theme="midnight"] .bwf-link svg {
  color: #7B9DFF;
}

.bwf-link:hover,
.bwf-link:focus-visible {
  color: var(--accent-leather, #8C4A2F);
  outline: none;
}

[data-theme="midnight"] .bwf-link:hover,
[data-theme="midnight"] .bwf-link:focus-visible {
  color: #fff;
}

.bwf-link:hover::before,
.bwf-link:focus-visible::before {
  transform: scaleX(1);
}

.bwf-link:hover .bwf-link-t,
.bwf-link:focus-visible .bwf-link-t {
  transform: translateX(12px);
}

.bwf-link:hover svg,
.bwf-link:focus-visible svg {
  opacity: 1;
  translate: 10px 0;
}

/* The wordmark: Static Crisp Gradient Fill Cached on GPU — ZERO REPAINT LAG */
.bwf-word {
  position: relative;
  z-index: 1;
  overflow: hidden;
  margin-top: clamp(28px, 6cqw, 80px);
}

.bwf-word-box {
  padding: 0 clamp(20px, 6cqw, 88px);
  max-width: 1120px;
  margin: 0 auto;
  box-sizing: border-box;
}

.bwf-word-in {
  display: inline-flex;
  white-space: nowrap;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  user-select: none;
  -webkit-user-select: none;
}

.bwf-lw {
  display: inline-block;
  translate: 0 0;
  transition: translate 0.8s cubic-bezier(0.16, 0.84, 0.2, 1) var(--bwf-d, 0ms);
}

.bwf[data-in='false'] .bwf-lw {
  translate: 0 85%;
}

.bwf-l {
  display: inline-block;
  cursor: pointer;
  color: var(--text-primary, #11110F);
  /* Static gradient fill — rasterized once and cached on GPU */
  background: linear-gradient(180deg, var(--text-primary, #11110F) 15%, var(--text-secondary, #34332F) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.25, 1.2), filter 0.3s;
  transform-origin: 50% 100%;
}

.bwf-l:hover {
  transform: translateY(-0.045em);
  filter: drop-shadow(0 6px 18px rgba(197, 168, 110, 0.45));
}

[data-theme="midnight"] .bwf-l {
  background: linear-gradient(180deg, #F0F2F6 15%, #9AA5B8 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="midnight"] .bwf-l:hover {
  filter: drop-shadow(0 6px 18px rgba(120, 160, 255, 0.45));
}

.bwf-l.is-hop {
  animation: bwf-hop 0.75s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes bwf-hop {
  0% { transform: translateY(0) scale(1, 1); }
  18% { transform: translateY(0.02em) scale(1.06, 0.9); }
  45% { transform: translateY(-0.14em) scale(0.97, 1.05); }
  70% { transform: translateY(0.01em) scale(1.02, 0.97); }
  100% { transform: translateY(-0.045em) scale(1, 1); }
}

.bwf-foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(242, 237, 226, 0.55) 55%, var(--bg-surface, #F2EDE2));
}

[data-theme="midnight"] .bwf-foot {
  background: linear-gradient(180deg, transparent, rgba(24, 29, 38, 0.55) 55%, var(--bg-surface, #181D26));
}

@container (max-width: 760px) {
  .bwf-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    row-gap: 36px;
  }
  .bwf-col:nth-child(1) {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@container (max-width: 540px) {
  .bwf-inner {
    grid-template-columns: 1fr;
    row-gap: 28px;
    padding-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bwf .bwf-lw,
  .bwf .bwf-fade,
  .bwf .bwf-label::after,
  .bwf .bwf-l,
  .bwf .bwf-soc,
  .bwf .bwf-link-t,
  .bwf .bwf-link svg {
    transition: none !important;
    animation: none !important;
  }
  .bwf[data-in='false'] .bwf-lw,
  .bwf[data-in='false'] .bwf-fade {
    translate: none;
    opacity: 1;
  }
  .bwf[data-in='false'] .bwf-label::after {
    --bwf-line: 1;
  }
  .bwf-beam {
    animation: none !important;
  }
}