:root {
  --bg-deep: #0e0d0c;
  --bg: #151413;
  --bg-card: rgba(246, 241, 232, 0.94);
  --text-inverse: #f8f5ee;
  --text-secondary: #d4cec3;
  --text-muted: #a39c91;
  --text-dark: #161514;
  --text-dark-secondary: #48433e;
  --text-dark-muted: #5e574e;
  --line-subtle: rgba(248, 245, 238, 0.07);
  --line-dark: rgba(22, 21, 20, 0.1);
  --accent: #d4af37;
  --accent-hover: #e6c24d;
  --accent-strong: #b89326;
  --accent-border: rgba(212, 175, 55, 0.32);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 9999px;
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 10px 28px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

::selection {
  background: rgba(212, 175, 55, 0.38);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #11100f;
}

::-webkit-scrollbar-thumb {
  background: rgba(248, 245, 238, 0.18);
  border-radius: 999px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-inverse);
  background-color: var(--bg);
  background-image: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page {
  width: min(1240px, calc(100% - 40px));
  max-width: 100%;
  margin: 0 auto;
  padding: 32px 0 64px;
}

.topbar,
.hero,
.detail-grid,
.roadmap,
.next-step,
.site-footer {
  position: relative;
  margin-bottom: 32px;
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-xl);
  background: rgba(23, 21, 19, 0.82);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.topbar {
  position: relative;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 74px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
}

.brand {
  display: flex;
  align-items: center;
  height: 50px;
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.brand:hover {
  opacity: 0.9;
  transform: scale(0.99);
}

.brand img {
  height: 100%;
  width: auto;
  display: block;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.topbar-links a:hover {
  color: var(--text-inverse);
  background: rgba(248, 245, 238, 0.06);
}

.topbar-links a.nav-cta {
  margin-left: 6px;
  padding: 9px 20px;
  color: var(--bg-deep);
  background: var(--accent);
  font-weight: 700;
}

.topbar-links a.nav-cta:hover {
  background: var(--accent-hover);
  color: var(--bg-deep);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  max-width: 40px;
  max-height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: rgba(248, 245, 238, 0.06);
  border: 1px solid var(--accent-border);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  box-sizing: border-box;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(212, 175, 55, 0.14);
  border-color: var(--accent);
}

.menu-toggle:active {
  transform: scale(0.94);
}

.menu-icon {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 20px;
  height: 14px;
}

.menu-icon .line {
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              top 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease;
}

.menu-icon .line-1 { top: 0; }
.menu-icon .line-2 { top: 12px; }

.menu-toggle.is-active .menu-icon .line-1 { top: 6px; transform: rotate(45deg); }
.menu-toggle.is-active .menu-icon .line-2 { top: 6px; transform: rotate(-45deg); }

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 36px;
  padding: 36px;
  position: relative;
  z-index: 30;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text-inverse);
  margin-bottom: 18px;
}

.description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 700;
}

.button-secondary {
  background: rgba(248, 245, 238, 0.06);
  color: var(--text-inverse);
  border: 1px solid var(--line-subtle);
}

/* Split Download Button with Dropdown Menu */
.split-button-container {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
  z-index: 50;
}

.split-button-container.is-open {
  z-index: 100;
}

.hero.has-open-dropdown,
.hero:has(.split-button-container.is-open) {
  z-index: 90;
}

.split-btn-main {
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  padding-right: 14px !important;
}

.split-btn-toggle {
  border-top-left-radius: 0 !important;
  border-bottom-left-radius: 0 !important;
  border-left: 1px solid rgba(4, 47, 46, 0.22) !important;
  padding: 0 12px !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, filter 0.15s ease;
}

.split-btn-toggle:hover {
  filter: brightness(0.92);
}

.split-btn-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.dropdown-chevron {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.split-button-container.is-open .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 320px;
  max-width: min(340px, calc(100vw - 32px));
  background: #161514;
  border: 1px solid rgba(248, 245, 238, 0.16);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.08);
  padding: 6px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.18s;
  pointer-events: none;
}

.split-button-container.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: #f8f5ee;
  transition: background 0.15s ease;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
  background: rgba(248, 245, 238, 0.08);
  outline: none;
}

.dropdown-item strong {
  font-size: 0.88rem;
  color: #f8f5ee;
  font-weight: 700;
}

.dropdown-item p {
  font-size: 0.76rem;
  color: #a8a29e;
  margin: 0;
  line-height: 1.4;
}

.dropdown-divider {
  height: 1px;
  background: rgba(248, 245, 238, 0.08);
  margin: 4px 6px;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.status-card,
.meta-card,
.content-card,
.roadmap-card,
.next-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-dark);
  background: var(--bg-card);
  color: var(--text-dark);
  box-shadow: var(--shadow-card);
}

.meta-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  margin-bottom: 4px;
}

.status-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.status-card p {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.55;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.meta-value {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Detail Grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 32px;
}

.content-card h3,
.roadmap-card h3,
.next-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.content-card p,
.next-card p {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.55;
}

/* Roadmap & Next Step */
.roadmap,
.next-step {
  padding: 32px;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.roadmap-card ul {
  list-style: none;
  margin-top: 14px;
}

.roadmap-card li {
  position: relative;
  padding-left: 16px;
  font-size: 0.86rem;
  color: var(--text-dark-secondary);
  line-height: 1.5;
  margin-bottom: 6px;
}

.roadmap-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-strong);
}

/* Keyboard hotkeys & shortcut tables */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid #c7bfb1;
  background: #e8e2d8;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: #161514;
  box-shadow: 0 1px 0 rgba(22, 21, 20, 0.15);
  white-space: nowrap !important;
  text-align: center;
  line-height: 1.25;
  box-sizing: border-box;
}

.section-box > p kbd {
  background: rgba(248, 245, 238, 0.12);
  border: 1px solid rgba(248, 245, 238, 0.25);
  color: #f8f5ee;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
}

.shortcut-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-dark);
  background: var(--bg-card);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 14px;
}

.shortcut-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.shortcut-table th {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #047857;
  font-weight: 700;
  text-align: left;
  padding: 12px 18px;
  border-bottom: 2px solid rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.1);
}

.shortcut-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(22, 21, 20, 0.08);
  color: #161514;
  line-height: 1.5;
  font-weight: 500;
  vertical-align: middle;
}

.shortcut-table th:first-child,
.shortcut-table td:first-child,
.data-table th:first-child,
.data-table td:first-child {
  width: 1%;
  white-space: nowrap !important;
  padding-right: 14px;
  vertical-align: middle;
}

.shortcut-table tr:last-child td {
  border-bottom: none;
}

/* Footer */
.site-footer {
  padding: 40px 32px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-subtle);
}

.footer-brand img {
  height: 72px;
  width: auto;
  margin-bottom: 24px;
  display: block;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  max-width: 34ch;
}

.footer-col h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(28, 26, 24, 0.9);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(212, 175, 55, 0.35);
}

.back-to-top.btt-escaping {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: scale(0.6) !important;
  transition: opacity 0.15s ease, transform 0.15s ease !important;
}


/* Universal Tag Bar Component */
.tag-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.tag-green {
  background: rgba(46, 159, 80, 0.15);
  border: 1px solid rgba(46, 159, 80, 0.35);
  color: #34d399;
}

.tag-gold {
  background: rgba(212, 175, 55, 0.14);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: #d4af37;
}

.tag-blue {
  background: rgba(59, 130, 246, 0.14);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #60a5fa;
}

.tag-neutral {
  background: rgba(248, 245, 238, 0.07);
  border: 1px solid rgba(248, 245, 238, 0.12);
  color: rgba(248, 245, 238, 0.7);
}

/* Download Grid & Multi-Platform Cards */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
  margin-bottom: 24px;
  width: 100%;
  box-sizing: border-box;
}

.download-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-card {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-dark);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
}

/* Feature & Integration Checklist */
.checklist {
  list-style: none;
  padding: 0;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-dark);
  background: var(--bg-card);
  font-size: 0.88rem;
  color: #161514;
  line-height: 1.55;
  font-weight: 500;
  box-sizing: border-box;
}

.checklist-text {
  flex: 1;
  min-width: 0;
  color: #161514;
  line-height: 1.55;
}

.check-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.check-icon svg {
  display: block;
}

/* High-contrast tags on light card backgrounds */
.download-card .tag,
.gallery-quick-tags .tag {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.download-card .tag-green {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(5, 150, 105, 0.38);
  color: #065f46;
}

.download-card .tag-blue,
.gallery-quick-tags .tag-blue {
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.35);
  color: #1e40af;
}

.download-card .tag-gold,
.gallery-quick-tags .tag-gold {
  background: rgba(217, 119, 6, 0.14);
  border: 1px solid rgba(217, 119, 6, 0.38);
  color: #92400e;
}

.launch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: #059669;
  color: #ffffff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}

.launch-btn:hover {
  background: #10b981;
  transform: translateY(-1px);
}

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .detail-grid, .roadmap-grid { grid-template-columns: 1fr; }
}


@media (max-width: 768px) {
  .page {
    width: min(calc(100% - 32px), 1240px);
    max-width: 100%;
    padding: 12px 0 calc(48px + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
    overflow-x: clip;
  }

  .topbar {
    position: sticky !important;
    top: 10px !important;
    z-index: 1000 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 16px !important;
    min-height: 64px !important;
    padding: 11px 16px !important;
    border-radius: var(--radius-pill) !important;
    backdrop-filter: blur(24px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(160%) !important;
    background: rgba(20, 18, 16, 0.88) !important;
    border: 1px solid rgba(212, 175, 55, 0.22) !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5) !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .topbar .brand {
    height: 42px !important;
    flex-shrink: 0 !important;
  }

  .topbar .brand img {
    height: 100% !important;
    width: auto !important;
    display: block !important;
  }

  .menu-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    max-width: 44px !important;
    max-height: 44px !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
    border-radius: var(--radius-sm) !important;
    touch-action: manipulation !important;
  }

  .topbar-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px;
    padding: 14px;
    background: #141210;
    border: 1px solid var(--accent-border);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.95);
    z-index: 1001;
    width: 100% !important;
    max-height: calc(100vh - 80px) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    box-sizing: border-box !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.24s;
  }

  .topbar-links.is-open {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
  }

  .topbar-links a {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    min-height: 46px !important;
    padding: 12px 16px !important;
    font-size: 0.92rem !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    background: rgba(248, 245, 238, 0.03) !important;
    border: 1px solid var(--line-subtle) !important;
    box-sizing: border-box !important;
    text-decoration: none !important;
    touch-action: manipulation !important;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease !important;
  }

  .topbar-links a:hover,
  .topbar-links a:active {
    background: rgba(212, 175, 55, 0.12) !important;
    color: var(--accent) !important;
    border-color: var(--accent-border) !important;
    transform: translateX(3px) !important;
  }

  .topbar-links a.nav-cta {
    margin-left: 0 !important;
    margin-top: 4px !important;
    justify-content: center !important;
    text-align: center !important;
    background: var(--accent) !important;
    color: var(--bg-deep) !important;
    font-weight: 700 !important;
  }

  .topbar-links a.nav-cta:hover {
    background: var(--accent-hover) !important;
    transform: none !important;
  }

  /* Hero Section Mobile Layout — eliminate CSS Grid min-content horizontal blowout */
  .hero {
    display: flex !important;
    flex-direction: column !important;
    padding: 20px 16px !important;
    gap: 18px !important;
    margin-bottom: 18px !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    position: relative !important;
    z-index: 30 !important;
  }

  .hero-copy,
  .hero-side {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: visible !important;
  }

  /* Single-line swipeable tag bar on mobile — strictly bounded to 100% with smooth snap */
  .tag-bar {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-snap-type: x proximity !important;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
    gap: 6px !important;
    margin-bottom: 12px !important;
    padding-bottom: 4px !important;
    padding-right: 24px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .tag-bar::-webkit-scrollbar {
    display: none !important;
  }

  .tag {
    flex-shrink: 0 !important;
    padding: 5px 11px !important;
    font-size: 0.64rem !important;
    white-space: nowrap !important;
    scroll-snap-align: start !important;
    touch-action: manipulation !important;
  }

  h1 {
    font-size: clamp(1.85rem, 7vw, 2.35rem) !important;
    margin-bottom: 10px !important;
    line-height: 1.1 !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    max-width: 100% !important;
  }

  .description {
    font-size: 0.9rem !important;
    line-height: 1.55 !important;
    margin-bottom: 16px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    max-width: 100% !important;
  }

  .hero-actions {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .hero-actions > .button,
  .hero-actions > .launch-btn {
    width: 100% !important;
    min-height: 46px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 10px 8px !important;
    font-size: clamp(0.78rem, 3.2vw, 0.86rem) !important;
    line-height: 1.25 !important;
    box-sizing: border-box !important;
    border-radius: var(--radius-pill) !important;
    touch-action: manipulation !important;
  }

  .hero-actions > .button:active,
  .hero-actions > .launch-btn:active,
  .project-footer .launch-btn:active,
  .tag:active {
    transform: scale(0.97) !important;
  }

  /* Mobile Split Download Button Container & Unified Pill Geometry */
  .split-button-container {
    grid-column: 1 / -1 !important;
    width: 100% !important;
    display: flex !important;
    vertical-align: middle;
    position: relative;
    box-sizing: border-box !important;
  }

  .split-button-container .split-btn-main {
    flex: 1 1 auto !important;
    width: auto !important;
    min-width: 0 !important;
    min-height: 46px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 10px 14px !important;
    font-size: clamp(0.78rem, 3.2vw, 0.86rem) !important;
    line-height: 1.25 !important;
    box-sizing: border-box !important;
    border-top-left-radius: var(--radius-pill) !important;
    border-bottom-left-radius: var(--radius-pill) !important;
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    white-space: nowrap !important;
    touch-action: manipulation !important;
  }

  .split-button-container .split-btn-main .dl-btn-text,
  .split-button-container .split-btn-main span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .split-button-container .split-btn-toggle {
    flex: 0 0 46px !important;
    width: 46px !important;
    min-width: 46px !important;
    max-width: 46px !important;
    min-height: 46px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    border-top-right-radius: var(--radius-pill) !important;
    border-bottom-right-radius: var(--radius-pill) !important;
    border-top: none !important;
    border-bottom: none !important;
    border-right: none !important;
    border-left-width: 1px !important;
    border-left-style: solid !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    touch-action: manipulation !important;
  }

  .split-button-container .dropdown-menu {
    width: 100% !important;
    max-width: 100% !important;
    left: 0 !important;
    right: 0 !important;
    box-sizing: border-box !important;
  }

  /* Secondary button layout when split button is present */
  .hero-actions:has(.split-button-container) > .button:last-child:nth-child(2),
  .hero-actions:has(.split-button-container) > .button:last-child:nth-child(4),
  .hero-actions:not(:has(.split-button-container)) > .button:last-child:nth-child(odd) {
    grid-column: 1 / -1 !important;
  }

  .hero-actions > .button[aria-label]:only-of-type:not(:has(span)),
  .hero-actions > .button-icon {
    width: 46px !important;
    min-width: 46px !important;
    max-width: 46px !important;
    height: 46px !important;
    padding: 0 !important;
    justify-self: center !important;
  }

  .hero-side {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    margin-top: 2px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .status-card,
  .meta-card,
  .content-card,
  .feature-card,
  .section-box {
    padding: 18px 14px !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .status-card h3 {
    font-size: 1.2rem !important;
    word-break: break-word !important;
  }

  .status-card p {
    font-size: 0.86rem !important;
    line-height: 1.5 !important;
    word-break: break-word !important;
  }

  .meta-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .meta-item {
    min-width: 0 !important;
  }

  .meta-label {
    font-size: 0.68rem !important;
    letter-spacing: 0.08em !important;
    margin-bottom: 2px !important;
    word-break: break-word !important;
  }

  .meta-value {
    font-size: 0.88rem !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .section-box {
    margin-bottom: 18px !important;
  }

  .section-title {
    font-size: 1.25rem !important;
    margin-bottom: 14px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  /* Multi-column (2 columns) mobile layout for all project cards */
  .grid-2,
  .grid-3,
  .grid-4,
  .flow-grid,
  .workflow-container,
  .detail-grid,
  .roadmap-grid,
  .stack-grid,
  .features-grid,
  .rules-grid,
  .bento-grid-2,
  .bento-grid-3,
  .editions-container,
  .dual-pane-grid,
  .player-grid,
  .pane-box {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Odd-numbered cards span across both columns on the final row */
  .grid-3 > :last-child:nth-child(odd),
  .bento-grid-3 > :last-child:nth-child(odd),
  .detail-grid > :last-child:nth-child(odd),
  .roadmap-grid > :last-child:nth-child(odd),
  .flow-grid > :last-child:nth-child(odd),
  .workflow-container > :last-child:nth-child(odd),
  .features-grid > :last-child:nth-child(odd),
  .rules-grid > :last-child:nth-child(odd),
  .stack-grid > :last-child:nth-child(odd) {
    grid-column: span 2 !important;
  }

  /* Download grid responsive mobile single-column stacking */
  .download-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .download-card {
    padding: 18px 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
  }

  .download-card h4 {
    font-size: 1.05rem !important;
    margin: 0 0 6px 0 !important;
    word-break: break-word !important;
  }

  .download-card p {
    font-size: 0.84rem !important;
    line-height: 1.5 !important;
    margin: 0 0 16px 0 !important;
  }

  .download-card .launch-btn {
    width: 100% !important;
    min-height: 46px !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    touch-action: manipulation !important;
  }

  .checklist li {
    padding: 12px 14px !important;
    font-size: 0.84rem !important;
    gap: 10px !important;
  }

  .feature-card,
  .flow-card,
  .workflow-card,
  .roadmap-card,
  .content-card,
  .stack-card,
  .bento-card,
  .rule-card,
  .edition-card,
  .pane-card,
  .inventory-card {
    padding: 14px 12px !important;
    border-radius: var(--radius-md) !important;
    box-sizing: border-box !important;
    min-width: 0 !important;
  }

  .feature-card h3,
  .flow-card h4,
  .workflow-card h4,
  .roadmap-card h3,
  .content-card h3,
  .bento-card h3,
  .bento-card h4,
  .rule-card h3,
  .edition-card h3,
  .pane-card h3 {
    font-size: 0.95rem !important;
    line-height: 1.25 !important;
    margin-bottom: 6px !important;
    word-break: break-word !important;
  }

  .feature-card p,
  .flow-card p,
  .workflow-card p,
  .roadmap-card p,
  .content-card p,
  .bento-card p,
  .rule-card p,
  .edition-card p,
  .pane-card p {
    font-size: 0.78rem !important;
    line-height: 1.45 !important;
    word-break: break-word !important;
  }

  .feature-badge,
  .flow-step,
  .workflow-badge,
  .edition-badge {
    font-size: 0.6rem !important;
    padding: 2px 6px !important;
    margin-bottom: 6px !important;
    display: inline-block !important;
  }

  /* Horizontal scroll safety for complex tables, syntax matrices & architecture blocks */
  .table-card,
  .syntax-card,
  .arch-box,
  .code-card,
  .inventory-card,
  .roll-table-card,
  .shortcut-card {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    scrollbar-width: thin !important;
    scrollbar-color: rgba(212, 175, 55, 0.3) transparent !important;
  }

  .table-card table,
  .syntax-table,
  .stats-table,
  .roll-table-card table {
    min-width: 480px !important;
  }

  .shortcut-table th,
  .shortcut-table td,
  .data-table th,
  .data-table td {
    padding: 10px 12px !important;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .project-footer {
    flex-direction: column !important;
    align-items: stretch !important;
    text-align: center !important;
    padding: 18px 16px !important;
    gap: 12px !important;
    margin-top: 24px !important;
    margin-bottom: 40px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .project-footer .launch-btn {
    width: 100% !important;
    min-height: 46px !important;
    justify-content: center !important;
    touch-action: manipulation !important;
  }
}

@media (max-width: 350px) {
  .hero-actions {
    grid-template-columns: 1fr !important;
  }

  .meta-grid {
    grid-template-columns: 1fr !important;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .flow-grid,
  .workflow-container,
  .detail-grid,
  .roadmap-grid,
  .stack-grid,
  .features-grid,
  .rules-grid,
  .bento-grid-2,
  .bento-grid-3,
  .editions-container,
  .dual-pane-grid,
  .player-grid,
  .pane-box {
    grid-template-columns: 1fr !important;
  }

  .grid-3 > :last-child:nth-child(odd),
  .bento-grid-3 > :last-child:nth-child(odd),
  .detail-grid > :last-child:nth-child(odd),
  .roadmap-grid > :last-child:nth-child(odd),
  .flow-grid > :last-child:nth-child(odd),
  .workflow-container > :last-child:nth-child(odd),
  .features-grid > :last-child:nth-child(odd),
  .rules-grid > :last-child:nth-child(odd),
  .stack-grid > :last-child:nth-child(odd) {
    grid-column: span 1 !important;
  }
}