/* LogShield - Styles v0.4
   Extracted and optimized for performance
   ---------------------------------------- */

:root {
  --bg-primary: #000000;
  --bg-elevated: #0a0a0a;
  --bg-card: #111111;
  --bg-code: #0d0d0d;
  --text-primary: #fafafa;
  --text-secondary: #a1a1a1;
  --text-muted: #8a8a8a;
  --accent-primary: #00E5A0;
  --accent-secondary: #00D4FF;
  --accent-warning: #FF6B6B;
  --accent-purple: #A855F7;
  --border-subtle: #1a1a1a;
  --border-default: #262626;
  --glow-primary: rgba(0, 229, 160, 0.15);
  --glow-secondary: rgba(0, 212, 255, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono {
  font-family: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}

/* Scroll-triggered animations - simplified */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.2s !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .gradient-orb {
    animation: none;
  }

  .hero-title .gradient-text {
    animation: none;
  }
}

/* ==================== HEADER ==================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
}

header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  opacity: 0;
  transition: opacity 0.3s;
}

header.scrolled::before {
  opacity: 1;
}

.header-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--text-primary);
}

/* Trust bar in header */
.trust-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--border-subtle);
  margin-left: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.trust-item code {
  font-size: 11px;
  color: var(--accent-primary);
  background: rgba(0, 229, 160, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.trust-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.trust-link:hover {
  color: var(--text-secondary);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

/* Simplified background - reduced animation scope */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  top: -150px;
  left: 10%;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
  top: 30%;
  right: -50px;
}

/* Grid pattern */
.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
  max-width: 1280px;
  width: 100%;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 520px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(40px, 4.6vw, 58px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  overflow: visible;
}

/* IMPORTANT: prevents descender clipping in background-clip text */
.hero-title .line {
  display: inline-block;
  padding-bottom: 0.14em;
}

.hero-title .gradient-text {
  display: inline-block;
  padding-bottom: 0.14em;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* Hero CTA - Install command first */
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.install-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 15px;
  width: fit-content;
}

.install-box .dollar {
  color: var(--accent-primary);
}

.install-box code {
  color: var(--text-primary);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.secondary-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.secondary-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.secondary-links a:hover {
  color: var(--accent-primary);
}

/* ==================== HERO DEMO ==================== */
.hero-demo {
  position: relative;
}

.demo-container {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 40px 80px -20px rgba(0,0,0,0.8);
}

.demo-header {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
}

.demo-dots {
  display: flex;
  gap: 8px;
}

.demo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-default);
}

.demo-dot.red { background: #FF5F57; }
.demo-dot.yellow { background: #FEBC2E; }
.demo-dot.green { background: #28C840; }

.demo-title {
  flex: 1;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
}

.demo-body {
  padding: 20px;
  min-height: 200px;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
}

/* Demo log lines */
.log-line {
  display: flex;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.log-line.visible {
  opacity: 1;
}

.log-number {
  color: var(--text-muted);
  -webkit-user-select: none;
  user-select: none;
  min-width: 20px;
  text-align: right;
}

.log-content {
  flex: 1;
}

.log-prefix {
  color: var(--text-muted);
}

.log-key {
  color: var(--accent-secondary);
}

.log-value {
  color: var(--text-secondary);
}

.log-secret {
  color: var(--accent-warning);
}

.log-redacted {
  color: var(--accent-primary);
  font-weight: 500;
}

/* Glow effect for scanning animation */
.log-secret.glow {
  animation: secretGlow 0.8s ease-in-out;
  will-change: opacity, filter;
}

@keyframes secretGlow {
  0%, 100% {
    opacity: 1;
    filter: brightness(1);
  }
  50% {
    opacity: 1;
    filter: brightness(1.5) drop-shadow(0 0 8px var(--accent-warning));
  }
}

/* Demo status bar */
.demo-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
}

.demo-status-left {
  color: var(--text-muted);
}

.demo-status-right {
  color: var(--accent-primary);
  font-weight: 500;
}

/* Demo controls (flag toggles) */
.demo-controls {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.flag-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
}

.flag-toggle:hover {
  border-color: var(--border-default);
}

.flag-toggle.active {
  background: rgba(0, 229, 160, 0.1);
  border-color: rgba(0, 229, 160, 0.3);
  color: var(--accent-primary);
}

.flag-toggle input {
  display: none;
}

.flag-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-default);
  transition: background 0.2s;
}

.flag-toggle.active .flag-indicator {
  background: var(--accent-primary);
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 120px 24px;
  position: relative;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-default), transparent);
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  max-width: 600px;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-label.warning { color: var(--accent-warning); }
.section-label.success { color: var(--accent-primary); }
.section-label.info { color: var(--accent-secondary); }

.section-title {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Icon base styles */
.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }

/* ==================== PROBLEM SECTION ==================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bento-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.3s;
}

.bento-card:hover {
  border-color: var(--border-default);
}

.bento-card.large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: 20px;
}

.bento-icon.warning {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.2);
  color: var(--accent-warning);
}

.bento-icon.success {
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.2);
  color: var(--accent-primary);
}

.bento-icon.info {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--accent-secondary);
}

.bento-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* Bento visual */
.bento-visual {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}

.log-leak {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-leak-line {
  display: flex;
  gap: 8px;
  align-items: center;
}

.leak-arrow {
  color: var(--text-muted);
}

.leak-destination {
  padding: 3px 8px;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.2);
  border-radius: 4px;
  color: var(--accent-warning);
  font-size: 11px;
}

/* ==================== SOLUTION SECTION ==================== */
.solution {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-elevated) 100%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s;
  position: relative;
}

.feature-card:hover {
  border-color: rgba(0, 229, 160, 0.3);
}

.feature-number {
  position: absolute;
  top: 32px;
  right: 32px;
  font-size: 48px;
  font-weight: 700;
  color: var(--border-subtle);
  line-height: 1;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  max-width: 360px;
}

/* ==================== NOT SECTION ==================== */
.not-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.not-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.not-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.not-item span {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==================== USE CASES ==================== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.use-case {
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.use-case:hover {
  border-color: var(--accent-secondary);
  transform: translateY(-2px);
}

.use-case-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  color: var(--accent-secondary);
}

.use-case .item-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.use-case p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==================== ADVANCED USAGE SECTION ==================== */
.advanced-section {
  background: var(--bg-elevated);
}

.advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.advanced-item {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
}

.advanced-item .item-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.advanced-item .item-title code {
  font-size: 13px;
  color: var(--accent-primary);
  background: rgba(0, 229, 160, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.advanced-item p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.advanced-code {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  color: var(--text-primary);
  overflow-x: auto;
}

.advanced-code .cmd { color: var(--accent-primary); }
.advanced-code .flag { color: var(--accent-secondary); }
.advanced-code .file { color: #E5C07B; }
.advanced-code .pipe { color: var(--text-muted); }

/* ==================== FLAGS SECTION ==================== */
.flags-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.flag-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.flag-code {
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  color: var(--accent-primary);
  background: rgba(0, 229, 160, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  height: fit-content;
}

.flag-info .item-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.flag-info p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==================== CODE SECTION ==================== */
.code-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.code-info {
  position: sticky;
  top: 100px;
}

.code-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
}

.code-filename {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
}

.code-body {
  padding: 20px;
  font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.code-line {
  display: flex;
  gap: 14px;
  white-space: nowrap;
}

.line-num {
  color: var(--text-muted);
  -webkit-user-select: none;
  user-select: none;
  min-width: 20px;
  text-align: right;
  flex-shrink: 0;
}

.code-comment { color: var(--text-muted); }
.code-cmd { color: var(--accent-primary); }
.code-flag { color: var(--accent-secondary); }
.code-file { color: #E5C07B; }
.code-pipe { color: var(--text-muted); }

/* ==================== CTA SECTION ==================== */
.cta {
  padding: 140px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, var(--glow-primary), transparent);
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta .install-box {
  margin: 0 auto 24px;
}

.cta .secondary-links {
  justify-content: center;
}

/* ==================== FOOTER ==================== */
footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.footer-logo:hover {
  text-decoration: none;
  opacity: 0.8;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-license {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-license:hover {
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease-out;
  z-index: 99;
}

.back-to-top:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

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

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .hero {
    padding: 104px 24px 72px;
  }

  .section {
    padding: 96px 24px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-text {
    max-width: 100%;
    text-align: center;
  }

  .hero-cta {
    align-items: center;
  }

  .demo-controls {
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-card.large {
    grid-column: span 1;
    grid-row: span 1;
  }

  .feature-grid,
  .advanced-grid {
    grid-template-columns: 1fr;
  }

  .code-grid {
    grid-template-columns: 1fr;
  }

  .code-info {
    position: static;
  }

  .not-grid,
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flags-grid {
    grid-template-columns: 1fr;
  }

  .trust-bar {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 100px 16px 60px;
  }

  .section {
    padding: 80px 16px;
  }

  /* Header/nav: allow wrapping instead of hiding links */
  header {
    padding: 0 16px;
  }

  .header-inner {
    gap: 12px;
  }

  nav {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 60vw;
  }

  nav a {
    font-size: 13px;
    padding: 6px 8px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    line-height: 1;
  }

  nav a:hover {
    border-color: var(--border-default);
  }

  /* keep Blog visible (no hiding) */
  .hero-title {
    margin-bottom: 20px;
  }

  .hero-desc {
    margin-bottom: 24px;
  }

  .hero-cta {
    gap: 16px;
  }

  .install-box {
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
  }

  /* Prevent install command from overflowing on mobile */
  .install-box code {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: calc(100% - 120px);
    display: block;
  }

  .secondary-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .demo-body {
    font-size: 11px;
    padding: 14px;
  }

  .demo-controls {
    flex-wrap: wrap;
  }

  .code-body {
    padding: 14px;
    font-size: 11px;
  }

  .bento-card,
  .feature-card {
    padding: 20px;
  }

  .feature-number {
    font-size: 36px;
    top: 20px;
    right: 20px;
  }

  .not-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
    gap: 8px;
  }
}


/* ==================== DOCS PAGE STYLES ==================== */
/* Scoped to docs.html only. Prevents sidebar overlap on wide screens. */

.docs-page .layout {
  display: flex;
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 64px; /* header height */
}

/* Sidebar must be in-flow (NOT fixed), sticky is enough */
.docs-page .sidebar {
  width: 260px;
  flex-shrink: 0;
  padding: 32px 24px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  border-right: 1px solid var(--border-subtle);
  background: transparent;
  z-index: 1;
}

/* Main content never goes under sidebar */
.docs-page .main {
  flex: 1;
  min-width: 0;
  padding: 48px 64px;
}

/* Optional: tighten big screens so it looks balanced */
@media (min-width: 1400px) {
  .docs-page .main {
    padding-left: 72px;
    padding-right: 72px;
  }
}

/* Mobile/tablet: match your existing behavior (sidebar hidden) */
@media (max-width: 1024px) {
  .docs-page .sidebar {
    display: none;
  }

  .docs-page .main {
    padding: 32px 24px;
  }
}

/* ==================== BLOG STYLES ==================== */

/* Blog Layout */
.blog-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

/* Blog Header */
.blog-header {
  margin-bottom: 48px;
}

.blog-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.blog-desc {
  font-size: 17px;
  color: var(--text-secondary);
}

/* Post Cards */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.post-card {
  display: block;
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s;
}

.post-card:hover {
  border-color: var(--border-default);
  text-decoration: none;
}

.post-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.post-card:hover .post-title {
  color: var(--accent-primary);
}

.post-excerpt {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.post-date,
.post-reading-time {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Empty State */
.blog-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}

/* Article Layout */
.article-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

/* Article Header */
.article-header {
  margin-bottom: 48px;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.article-back:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.article-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 24px 0 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.article-date,
.article-reading-time {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Article Content */
.article-content {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 48px 0 16px;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-content code {
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 15px;
  color: var(--accent-primary);
}

.article-content pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
  overflow-x: auto;
}

.article-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
  color: var(--text-primary);
}

/* Syntax highlighting for blog code blocks */
.article-content pre .code-comment { color: var(--text-muted); }
.article-content pre .code-cmd { color: var(--accent-primary); }
.article-content pre .code-flag { color: var(--accent-secondary); }
.article-content pre .code-file { color: #E5C07B; }
.article-content pre .code-pipe { color: var(--text-muted); }
.article-content pre .code-key { color: var(--accent-secondary); }
.article-content pre .code-keyword { color: var(--accent-purple); }
.article-content pre .code-string { color: #98C379; }
.article-content pre .code-bool { color: #D19A66; }

.article-content blockquote {
  border-left: 3px solid var(--accent-primary);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-content a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

.article-content a:hover {
  opacity: 0.8;
  text-decoration: none;
}

.article-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 24px 0;
}

/* Blog Mobile */
@media (max-width: 640px) {
  .blog-layout,
  .article-layout {
    padding: 100px 16px 60px;
  }

  .blog-title,
  .article-title {
    font-size: 28px;
  }

  .article-content {
    font-size: 16px;
  }

  .article-content h2 {
    font-size: 22px;
  }

  .article-content pre {
    padding: 14px;
    margin-left: -16px;
    margin-right: -16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .article-content pre code {
    font-size: 12px;
  }

  .article-meta {
    flex-wrap: wrap;
    gap: 12px;
  }

  .post-card {
    padding: 18px;
  }

  .post-title {
    font-size: 18px;
  }

  .post-meta {
    flex-wrap: wrap;
    gap: 10px;
  }
}