/* ═══════════════════════════════════════════════════════
   PostgreSQL Guide — Modern Design System
   ═══════════════════════════════════════════════════════ */

:root {
  --bg: #05070a;
  --bg2: #0a0d12;
  --surface: rgba(15, 18, 25, 0.75);
  --surface2: #141820;
  --surface3: #1a1f2a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 255, 204, 0.25);
  --accent: #00ffcc;
  --accent2: #336791;
  --accent-dim: rgba(0, 255, 204, 0.08);
  --accent-glow: rgba(0, 255, 204, 0.15);
  --gradient-accent: linear-gradient(135deg, #00ffcc 0%, #336791 100%);
  --gradient-card: linear-gradient(145deg, rgba(20, 24, 32, 0.9), rgba(10, 13, 18, 0.95));
  --text: #e8eaed;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --code-bg: #0d1117;
  --code-border: rgba(0, 255, 204, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 255, 204, 0.06);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Sidebar toggle button (hidden on desktop, shown via media query) ── */
.sidebar-toggle {
  display: none;
}

/* Global mobile safety */
img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient Background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 10%, rgba(0, 255, 204, 0.04), transparent 50%),
    radial-gradient(ellipse 60% 80% at 90% 90%, rgba(51, 103, 145, 0.06), transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 40%, rgba(0, 255, 204, 0.02), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ══════════════ HEADER ══════════════ */
header {
  position: relative;
  padding: 100px 40px 80px;
  text-align: center;
  overflow: hidden;
  z-index: 1;
}

/* Animated grid background */
header::before {
  content: '';
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(0, 255, 204, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 204, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
  opacity: 0.5;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }

  100% {
    transform: translate(60px, 60px) rotate(1deg);
  }
}

/* Floating orbs */
header::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 255, 204, 0.08), transparent 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  animation: pulseOrb 6s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes pulseOrb {
  0% {
    transform: translateX(-50%) scale(1);
    opacity: 0.5;
  }

  100% {
    transform: translateX(-50%) scale(1.3);
    opacity: 0.8;
  }
}

.header-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.pg-logo {
  width: 90px;
  height: 90px;
  margin-bottom: 28px;
  filter: drop-shadow(0 0 30px rgba(51, 103, 145, 0.5));
  animation: logoFloat 4s ease-in-out infinite alternate;
}

@keyframes logoFloat {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(-8px);
  }
}

.header-text h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 10vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  background: linear-gradient(135deg, #00ffcc 0%, #00ccaa 30%, #336791 70%, #4a8cc2 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite alternate;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 40px rgba(0, 255, 204, 0.2));
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 100% 50%;
  }
}

.header-text p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 500px;
  margin: 0 auto 20px;
  font-weight: 400;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 255, 204, 0.06);
  border: 1px solid rgba(0, 255, 204, 0.15);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  backdrop-filter: blur(10px);
}

/* ══════════════ NAVIGATION ══════════════ */
nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  transition: box-shadow var(--transition);
}

nav.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 2px;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-inner a {
  position: relative;
  font-family: 'Syne', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-decoration: none;
  padding: 18px 20px;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-inner a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: all var(--transition);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-inner a:hover,
.nav-inner a.active {
  color: var(--accent);
}

.nav-inner a:hover::after,
.nav-inner a.active::after {
  width: 70%;
}

.badge-new {
  display: inline-block;
  font-size: 0.55rem;
  padding: 2px 6px;
  background: var(--gradient-accent);
  color: var(--bg);
  border-radius: 4px;
  font-weight: 800;
  vertical-align: super;
  margin-left: 4px;
}

/* ══════════════ LAYOUT ══════════════ */
.main-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 50px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 40px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* ══════════════ SIDEBAR ══════════════ */
.sidebar {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  scrollbar-width: thin;
  scrollbar-color: var(--surface3) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--surface3);
  border-radius: 10px;
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 0 8px;
  margin-bottom: 8px;
  opacity: 0.8;
}

.sidebar-links {
  list-style: none;
}

.sidebar-links li a {
  display: block;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border-left: 2px solid transparent;
}

.sidebar-links li a:hover {
  color: var(--text);
  background: var(--accent-dim);
  border-left-color: var(--accent);
  padding-left: 16px;
}

/* ══════════════ STATS ROW ══════════════ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

.stat-box:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ══════════════ SECTIONS ══════════════ */
.section {
  margin-bottom: 20px;
  scroll-margin-top: 80px;
  animation: fadeInUp 0.6s ease both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.section-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.icon-blue {
  background: rgba(51, 103, 145, 0.15);
  border: 1px solid rgba(51, 103, 145, 0.2);
}

.icon-green {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.15);
}

.icon-orange {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.15);
}

.icon-purple {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.15);
}

.icon-yellow {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.icon-teal {
  background: rgba(0, 255, 204, 0.08);
  border: 1px solid rgba(0, 255, 204, 0.12);
  font-family: 'JetBrains Mono';
  font-weight: 700;
  font-size: 1.1rem;
}

.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.prose {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 75ch;
}

.prose strong {
  color: var(--text);
}

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 48px 0;
}

/* ══════════════ CARDS ══════════════ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent, var(--accent)), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(0, 255, 204, 0.04);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.tag-blue {
  background: rgba(51, 103, 145, 0.2);
  color: #6ba3d4;
}

.tag-green {
  background: rgba(0, 212, 170, 0.12);
  color: #00d4aa;
}

.tag-orange {
  background: rgba(255, 107, 53, 0.12);
  color: #ff8c5a;
}

.tag-purple {
  background: rgba(124, 58, 237, 0.12);
  color: #a78bfa;
}

/* ══════════════ CODE BLOCKS ══════════════ */
.code-block {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--code-border);
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}

.code-block:hover {
  border-color: rgba(0, 255, 204, 0.15);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(13, 17, 23, 0.9);
  border-bottom: 1px solid var(--code-border);
}

.code-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-r {
  background: #ff5f57;
}

.dot-y {
  background: #febc2e;
}

.dot-g {
  background: #28c840;
}

.code-lang {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.code-block pre {
  background: var(--code-bg) !important;
  margin: 0;
  padding: 20px 24px;
  overflow-x: auto;
  border-radius: 0;
  border: none;
}

pre {
  background: var(--code-bg) !important;
  border-radius: var(--radius-md);
  border: 1px solid var(--code-border);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 16px 0;
}

code,
pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  line-height: 1.7;
}

.inline-code {
  background: rgba(0, 255, 204, 0.06);
  border: 1px solid rgba(0, 255, 204, 0.1);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.85em;
  color: var(--accent);
}

/* Syntax colors */
.kw {
  color: #ff7b72;
}

.fn {
  color: #d2a8ff;
}

.str {
  color: #a5d6ff;
}

.num {
  color: #79c0ff;
}

.cm {
  color: #6e7681;
  font-style: italic;
}

.type {
  color: #7ee787;
}

/* ══════════════ TABLES ══════════════ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 16px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead {
  background: rgba(0, 255, 204, 0.04);
}

th {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 18px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

td code {
  color: var(--accent);
  font-size: 0.82rem;
}

tbody tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: rgba(0, 255, 204, 0.03);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ══════════════ CALLOUTS ══════════════ */
.callout {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  margin: 20px 0;
  line-height: 1.6;
}

.callout-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.callout-tip {
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.12);
  color: var(--text-secondary);
}

.callout-warn {
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.12);
  color: var(--text-secondary);
}

/* ══════════════ FOOTER ══════════════ */
footer {
  text-align: center;
  padding: 50px 40px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

footer a:hover {
  opacity: 0.8;
}

/* ══════════════ SCROLLBAR ══════════════ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--surface3);
  border-radius: 10px;
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 255, 204, 0.3);
}

/* ══════════════════════════════════════════════
   RESPONSIVE — Mobile-First Enhancement System
   ══════════════════════════════════════════════ */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {

  /* Layout */
  .main-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 30px 24px;
  }

  /* Header */
  header {
    padding: 70px 24px 56px;
  }

  /* Sidebar: becomes a collapsible drawer on tablet */
  .sidebar {
    position: relative;
    top: 0;
    max-height: none;
    padding: 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  /* Mobile/Tablet sidebar toggle button */
  .sidebar-toggle {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    color: var(--text);
    font-family: 'Syne', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    padding: 0 4px 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
    transition: color var(--transition);
  }

  .sidebar-toggle:hover {
    color: var(--accent);
  }

  .sidebar-toggle-icon {
    font-size: 1rem;
    transition: transform var(--transition);
  }

  .sidebar.collapsed .sidebar-toggle-icon {
    transform: rotate(-90deg);
  }

  .sidebar-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
  }

  .sidebar.open .sidebar-body {
    max-height: 2000px;
    opacity: 1;
  }

  /* Stats */
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Nav */
  nav {
    padding: 0 24px;
  }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {

  /* ── Scroll padding to account for sticky nav ── */
  html {
    scroll-padding-top: 64px;
  }

  /* ── Header ── */
  header {
    padding: 56px 20px 44px;
  }

  header::after {
    width: 320px;
    height: 320px;
  }

  .pg-logo {
    width: 68px;
    height: 68px;
    margin-bottom: 20px;
  }

  .header-text p {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .version-badge {
    font-size: 0.72rem;
    padding: 7px 16px;
  }

  /* ── Nav: horizontal scroll strip ── */
  nav {
    padding: 0 16px;
  }

  .nav-inner {
    gap: 0;
    -webkit-overflow-scrolling: touch;
  }

  .nav-inner a {
    font-size: 0.75rem;
    padding: 14px 14px;
    letter-spacing: 0.02em;
  }

  /* ── Layout ── */
  .main-layout {
    gap: 20px;
    padding: 24px 16px;
  }



  /* ── Stats ── */
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
  }

  .stat-box {
    padding: 18px 12px;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.68rem;
    letter-spacing: 0.05em;
  }

  /* ── Sections ── */
  .section {
    margin-bottom: 16px;
  }

  .section-header {
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }

  .section-header h2 {
    font-size: 1.45rem;
  }

  .section-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    border-radius: var(--radius-sm);
  }

  .prose {
    font-size: 0.9rem;
    max-width: 100%;
  }

  .divider {
    margin: 36px 0;
  }

  /* ── Cards ── */
  .card-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card {
    padding: 20px;
  }

  /* Disable lift-on-hover for touch devices (feels laggy) */
  .card:hover {
    transform: none;
  }

  .stat-box:hover {
    transform: none;
  }

  /* ── Code blocks ── */
  .code-block pre,
  pre {
    padding: 16px;
    font-size: 0.8rem;
  }

  code,
  pre {
    font-size: 0.8rem;
  }

  .code-header {
    padding: 8px 14px;
  }

  .code-lang {
    font-size: 0.65rem;
  }

  /* ── Tables: horizontal scroll on mobile ── */
  .table-wrap {
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
  }

  th {
    padding: 12px 14px;
    font-size: 0.74rem;
  }

  td {
    padding: 10px 14px;
    font-size: 0.84rem;
  }

  /* ── Callouts ── */
  .callout {
    padding: 14px 16px;
    gap: 10px;
    font-size: 0.84rem;
  }

  .callout-icon {
    font-size: 1.1rem;
  }

  /* ── Footer ── */
  footer {
    padding: 40px 20px;
    font-size: 0.8rem;
  }
}

/* ── Small Mobile (≤ 480px) ── */
@media (max-width: 480px) {
  header {
    padding: 44px 16px 36px;
  }

  .pg-logo {
    width: 56px;
    height: 56px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-box {
    padding: 14px 10px;
  }

  .stat-num {
    font-size: 1.3rem;
  }

  .section-header h2 {
    font-size: 1.25rem;
  }

  .main-layout {
    padding: 20px 14px;
  }

  nav {
    padding: 0 12px;
  }

  .nav-inner a {
    font-size: 0.7rem;
    padding: 12px 10px;
  }

  .card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .card-grid {
    gap: 10px;
  }

  .badge-new {
    display: none;
  }

  /* Too cramped on tiny screens */

  pre,
  .code-block pre {
    padding: 12px;
    font-size: 0.75rem;
  }

  th {
    padding: 10px 12px;
  }

  td {
    padding: 9px 12px;
  }

  footer {
    padding: 32px 16px;
  }
}

/* ── Touch device improvements ── */
@media (hover: none) and (pointer: coarse) {

  /* Larger tap targets */
  .nav-inner a {
    padding-top: 16px;
    padding-bottom: 16px;
    min-width: 48px;
  }

  .sidebar-links li a {
    padding: 10px 12px;
    font-size: 0.88rem;
  }

  .card {
    cursor: default;
  }

  /* Remove hover transforms — they fire on tap & stay stuck on mobile */
  .card:hover,
  .stat-box:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
  }

  /* Show scroll hint gradient on code blocks */
  .code-block {
    position: relative;
  }

  .code-block pre {
    padding-right: 20px;
  }
}

/* ── Scroll-reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}