/* ==========================================================================
   FPS Meter - App Store Showcase (shadcn/ui Dark Theme Design System)
   ========================================================================== */

:root {
  /* shadcn/ui zinc dark tokens */
  --background: #09090b;
  --foreground: #f4f4f5;
  --card: #121215;
  --card-foreground: #f4f4f5;
  --card-hover: #18181b;
  --popover: #121215;
  --popover-foreground: #f4f4f5;
  
  /* Brand Accent: High-Tech Neon Mint / Cyan (FPS Meter brand) */
  --primary: #00e676;
  --primary-hover: #00c853;
  --primary-foreground: #09090b;
  --primary-glow: rgba(0, 230, 118, 0.25);
  
  --cyan-accent: #00e5ff;
  --cyan-glow: rgba(0, 229, 255, 0.2);

  --secondary: #27272a;
  --secondary-hover: #3f3f46;
  --secondary-foreground: #f4f4f5;

  --muted: #1c1c20;
  --muted-foreground: #a1a1aa;
  
  --accent: #27272a;
  --accent-foreground: #fafafa;

  --border: #27272a;
  --border-subtle: #1f1f23;
  --ring: #00e676;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Monaco, Consolas, monospace;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  color-scheme: dark;
  background-color: var(--background);
  color: var(--foreground);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--background);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 230, 118, 0.12), transparent 70%),
    radial-gradient(ellipse 60% 30% at 90% 40%, rgba(0, 229, 255, 0.05), transparent 70%);
  background-attachment: fixed;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
  min-width: 0;
}

header, main, section, footer {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

/* Header & Sticky Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(9, 9, 11, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 0 16px rgba(0, 230, 118, 0.2);
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.brand-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem 0.5rem;
  background-color: rgba(0, 230, 118, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 118, 0.25);
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  padding: 0.35rem 0;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--foreground);
}

.nav-link.active {
  color: #ffffff;
  font-weight: 600;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.7);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  opacity: 0;
}

.nav-link.active::after {
  transform: scaleX(1);
  opacity: 1;
}

.nav-link:hover::after {
  transform: scaleX(0.7);
  opacity: 0.4;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* shadcn UI Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-lg);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn svg {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(0, 230, 118, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background-color: var(--secondary);
  border-color: var(--secondary-hover);
  color: var(--foreground);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
}

.btn-lg {
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  border-radius: var(--radius-xl);
}

/* Hero Section (App Store Style Card) */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  scroll-margin-top: 5rem;
}

.hero-card {
  background: linear-gradient(180deg, rgba(24, 24, 27, 0.6) 0%, rgba(18, 18, 21, 0.8) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.4), transparent);
}

.hero-top {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.app-icon-wrapper {
  position: relative;
  flex-shrink: 0;
}

.app-icon {
  width: 7.5rem;
  height: 7.5rem;
  border-radius: 1.75rem;
  object-fit: cover;
  background-color: #0f141c;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.7), 0 0 32px var(--primary-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-icon:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 40px -4px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 230, 118, 0.35);
}

.hero-info {
  flex: 1;
}

.app-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.app-name {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--foreground);
}

.app-version-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  background: rgba(0, 230, 118, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: var(--radius-full);
}

.app-developer {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.verified-icon {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.app-summary {
  font-size: 1.05rem;
  color: #d4d4d8;
  max-width: 650px;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.feature-pill {
  font-size: 0.75rem;
  font-weight: 500;
  color: #d4d4d8;
  background-color: var(--secondary);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.feature-pill svg {
  width: 0.85rem;
  height: 0.85rem;
  color: var(--primary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.download-note {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-top: 0.85rem;
}

.download-note svg {
  flex-shrink: 0;
  color: var(--primary);
}

.download-note a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.download-note a:hover {
  color: #fff;
}

/* App Store Quick Stats Bar */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Screenshots Showcase */
.section {
  padding: 3rem 0;
  scroll-margin-top: 5rem;
}

.section-header {
  margin-bottom: 1.75rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.section-subtitle {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.gallery-nav {
  display: flex;
  gap: 0.5rem;
}

.gallery-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.gallery-btn:hover {
  background: var(--secondary);
  border-color: var(--secondary-hover);
}

.screenshots-scroll {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--secondary) transparent;
}

.screenshots-scroll::-webkit-scrollbar {
  height: 6px;
}

.screenshots-scroll::-webkit-scrollbar-thumb {
  background-color: var(--secondary);
  border-radius: var(--radius-full);
}

.screenshot-card {
  flex: 0 0 auto;
  width: 240px;
  height: fit-content;
  align-self: flex-start;
  scroll-snap-align: start;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--card);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  position: relative;
}

.screenshot-card.landscape-card {
  width: 480px;
  height: fit-content;
  align-self: flex-start;
}

.screenshot-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 230, 118, 0.4);
  box-shadow: 0 12px 30px -8px rgba(0, 0, 0, 0.7);
}

.screenshot-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.screenshot-caption {
  padding: 0.75rem 1rem;
  background: var(--card);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.screenshot-caption span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Expandable Changelog Accordion Stack */
.changelogs-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.changelog-details {
  background: linear-gradient(180deg, rgba(24, 24, 27, 0.6) 0%, rgba(18, 18, 21, 0.7) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.changelog-details:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.changelog-details[open] {
  border-color: rgba(255, 255, 255, 0.18);
}

.changelog-details.is-latest {
  border-color: rgba(0, 230, 118, 0.3);
}

.changelog-details.is-latest[open] {
  border-color: rgba(0, 230, 118, 0.45);
  box-shadow: 0 4px 24px -6px rgba(0, 230, 118, 0.12);
}

.changelog-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.15s ease;
}

.changelog-summary::-webkit-details-marker {
  display: none;
}

.changelog-summary:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.changelog-summary-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.changelog-version-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
}

.changelog-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background-color: rgba(0, 230, 118, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 118, 0.25);
}

.changelog-tag.prev {
  background-color: var(--secondary);
  color: var(--muted-foreground);
  border-color: var(--border);
}

.changelog-summary-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.changelog-date {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.changelog-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted-foreground);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.15s ease;
  flex-shrink: 0;
}

.changelog-summary:hover .changelog-chevron {
  color: var(--foreground);
}

.changelog-details[open] .changelog-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.changelog-body {
  padding: 0 1.75rem 1.75rem 1.75rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  margin-top: -0.25rem;
  animation: fadeInAccordion 0.2s ease-out;
}

@keyframes fadeInAccordion {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.changelog-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.changelog-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9375rem;
  color: #d4d4d8;
  line-height: 1.5;
}

.changelog-bullet {
  margin-top: 0.35rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: var(--primary);
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--primary);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.feature-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg);
  background: rgba(0, 230, 118, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.feature-icon-box.cyan {
  background: rgba(0, 229, 255, 0.1);
  color: var(--cyan-accent);
  border-color: rgba(0, 229, 255, 0.2);
}

.feature-card h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Specs & Details Table */
.specs-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

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

.specs-table th, .specs-table td {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
}

.specs-table th {
  width: 30%;
  font-weight: 600;
  color: var(--muted-foreground);
  background-color: rgba(255, 255, 255, 0.01);
}

.specs-table td {
  font-weight: 500;
  color: var(--foreground);
}

.code-pill {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--muted);
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--primary);
}

/* Modal / Lightbox */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(16px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  color: #a1a1aa;
  font-size: 1.5rem;
  padding: 0.5rem;
  transition: color 0.15s ease;
}

.lightbox-close:hover {
  color: #fff;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: rgba(9, 9, 11, 0.9);
  padding: 3rem 0 2.5rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--foreground);
}

.footer-meta {
  font-size: 0.8125rem;
  color: #71717a;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--card);
  border: 1px solid rgba(0, 230, 118, 0.4);
  color: var(--foreground);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 230, 118, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .header-content {
    height: 3.75rem;
  }

  .nav-links {
    display: none;
  }

  #nav-github-btn {
    display: none;
  }

  #nav-download-btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
  }

  .hero-section {
    padding: 1.75rem 0 1.5rem;
  }

  .hero-card {
    padding: 1.5rem 1rem;
    border-radius: var(--radius-xl);
  }

  .hero-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
  }

  .app-icon {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 1.25rem;
  }

  .app-name {
    font-size: 1.75rem;
  }

  .app-developer {
    justify-content: center;
  }

  .app-summary {
    font-size: 0.9375rem;
    margin: 0 auto 1.25rem;
  }

  .app-title-row {
    justify-content: center;
  }

  .badge-row {
    justify-content: center;
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.65rem;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .download-note {
    justify-content: center;
    text-align: center;
    font-size: 0.775rem;
    margin-top: 0.25rem;
  }

  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 0.75rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
  }

  .section {
    padding: 2rem 0;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .gallery-nav {
    align-self: flex-end;
  }

  .screenshots-scroll {
    gap: 0.85rem;
  }

  .screenshot-card {
    width: 180px;
  }

  .screenshot-card.landscape-card {
    width: min(85vw, 360px);
  }

  .changelog-details {
    border-radius: var(--radius-lg);
  }

  .changelog-summary {
    padding: 1rem 1.15rem;
    gap: 0.75rem;
  }

  .changelog-summary-left {
    gap: 0.5rem;
  }

  .changelog-version-title {
    font-size: 1.05rem;
  }

  .changelog-summary-right {
    gap: 0.6rem;
  }

  .changelog-body {
    padding: 0 1.15rem 1.25rem 1.15rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .feature-card {
    padding: 1.25rem;
  }

  .specs-card {
    border-radius: var(--radius-lg);
    overflow-x: auto;
  }

  .specs-table, 
  .specs-table tbody, 
  .specs-table tr {
    display: block;
    width: 100%;
  }

  .specs-table th {
    display: block;
    width: 100%;
    padding: 0.85rem 1rem 0.2rem;
    border-bottom: none;
    background: transparent;
  }

  .specs-table td {
    display: block;
    width: 100%;
    padding: 0.2rem 1rem 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
    word-break: break-all;
  }
}