/* ══════════════════════════════════════════════════════════
   7/24 IDE — Modern Landing Page Stylesheet (Light Theme)
   ══════════════════════════════════════════════════════════ */

/* ═══════════ DESIGN SYSTEM & VARIABLES ═══════════ */
:root {
  --bg-base: #f8f9fa;
  --bg-panel: #ffffff;
  --bg-card: rgba(241, 243, 245, 0.7);
  --border-color: rgba(0, 0, 0, 0.06);
  --border-color-hover: rgba(0, 0, 0, 0.12);
  
  /* Harmonious Monochrome & Accent Palette */
  --color-primary: #18181b;      /* Obsidian Black / Dark Neutral */
  --color-secondary: #495057;    /* Slate Gray */
  --color-accent-blue: #3f3f46;  /* Zinc Neutral */
  --color-success: #10b981;      /* Emerald Green */
  --color-danger: #ef4444;       /* Rose Red */
  --color-warning: #f59e0b;      /* Amber Yellow */
  
  /* Typography Colors */
  --text-primary: #212529;       /* Near-Black */
  --text-secondary: #495057;     /* Dark Gray */
  --text-muted: #868e96;         /* Medium Gray */
  
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.01);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.01);
}

/* ═══════════ GLOBAL RESET & BASE STYLES ═══════════ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.08);
  border-radius: 5px;
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.16);
}

/* ═══════════ DYNAMIC GLOW ACCENTS (SOFT LIGHT BLOBS) ═══════════ */
.glow-accent {
  position: absolute;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.025;
  pointer-events: none;
  z-index: -1;
}
.glow-top-left {
  top: -10vw;
  left: -10vw;
  background: radial-gradient(circle, #64748b 0%, transparent 70%);
}
.glow-bottom-right {
  bottom: 10vw;
  right: -10vw;
  background: radial-gradient(circle, #94a3b8 0%, transparent 70%);
}

/* ═══════════ NAVIGATION BAR ═══════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(248, 249, 250, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  height: 80px;
  transition: var(--transition-normal);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  height: 64px;
  box-shadow: var(--shadow-sm);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-badge {
  background: var(--color-primary);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}
.nav-link:hover {
  color: var(--text-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
}

/* ═══════════ PREMIUM MONOCHROME BUTTONS ═══════════ */
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 4px 12px rgba(24, 24, 27, 0.12);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: #000000;
  box-shadow: 0 6px 16px rgba(24, 24, 27, 0.2);
}
.btn-secondary {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background: #f4f4f5;
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}
.btn-large {
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 16px;
}
.btn-large i {
  width: 20px;
  height: 20px;
}

/* Specialized Navigation Button Adjustments */
.btn-nav-download {
  font-size: 13px;
  padding: 8px 16px;
}
.btn-nav-download i {
  width: 16px;
  height: 16px;
}

/* Specialized Hero Button Styling */
#hero-download-btn {
  text-align: left;
  gap: 16px;
}
#hero-download-btn i {
  width: 24px;
  height: 24px;
}
#hero-download-btn .btn-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}
#hero-download-btn .btn-subtitle {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 2px;
}

/* ═══════════ HERO SECTION ═══════════ */
.hero-section {
  padding-top: 170px;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}
.hero-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(24, 24, 27, 0.04);
  border: 1px solid rgba(24, 24, 27, 0.08);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}
.hero-badge i {
  width: 14px;
  height: 14px;
}
.hero-title {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: var(--color-primary);
}
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 30%, #52525b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 760px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 70px;
  flex-wrap: wrap;
  justify-content: center;
}

/* App Showcase Frame */
.hero-showcase {
  width: 100%;
  max-width: 900px;
  margin-top: 10px;
  perspective: 1000px;
}
.showcase-frame {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 10px 40px rgba(0, 0, 0, 0.03);
  transition: var(--transition-slow);
  transform: rotateX(2deg);
}
.showcase-frame:hover {
  transform: rotateX(0deg) translateY(-6px);
  box-shadow: var(--shadow-xl), 0 15px 50px rgba(0, 0, 0, 0.06);
  border-color: var(--border-color-hover);
}
.frame-header {
  background: #f1f3f5;
  height: 42px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}
.frame-dots {
  display: flex;
  gap: 6px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
.frame-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
.showcase-img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom-left-radius: 11px;
  border-bottom-right-radius: 11px;
}

/* ═══════════ COMMON SECTION HEADERS ═══════════ */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.section-title {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.5;
}

/* ═══════════ FEATURES GRID ═══════════ */
.features-section {
  padding: 100px 0;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.01));
  position: relative;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #f4f4f5;
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition-normal);
}
.feature-icon i {
  width: 22px;
  height: 22px;
}
.feature-card:hover .feature-icon {
  background: var(--color-primary);
  color: #ffffff;
  border-color: transparent;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════ INTERACTIVE SIMULATOR SECTION ═══════════ */
.simulator-section {
  padding: 100px 0;
  position: relative;
}
.simulator-box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  align-items: stretch;
}
.sim-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.sim-panel-header {
  background: #f8f9fa;
  border-bottom: 1px solid var(--border-color);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}
.sim-avatar {
  width: 24px;
  height: 24px;
  background: rgba(24, 24, 27, 0.05);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sim-avatar i {
  width: 14px;
  height: 14px;
}
.sim-header-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.sim-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.sim-status {
  font-size: 10px;
  color: var(--color-success);
  font-weight: 500;
}
.sim-chat-area {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 380px;
  justify-content: flex-start;
  position: relative;
  background: var(--bg-panel);
}
.sim-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px;
  max-width: 85%;
  line-height: 1.5;
}
.sim-bubble-user {
  background: #f4f4f5;
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}
.sim-bubble-agent {
  background: rgba(24, 24, 27, 0.02);
  border: 1px solid rgba(24, 24, 27, 0.08);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}
.sim-log {
  background: #18181b; /* Console remains dark for readable code contrast */
  border: 1px solid #27272a;
  border-radius: 8px;
  padding: 16px;
  font-family: Consolas, Monaco, "Andale Mono", monospace;
  align-self: stretch;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
  color: #f4f4f5;
}
.sim-log-title {
  font-size: 11px;
  color: #71717a;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sim-log-title i {
  width: 12px;
  height: 12px;
}
.sim-log-line {
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  color: #d4d4d8;
}
.sim-log-line:last-child {
  margin-bottom: 0;
}
.sim-log-line code {
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 4px;
  border-radius: 3px;
  color: #38bdf8;
}
.sim-log-line i {
  width: 12px;
  height: 12px;
}
.sim-log-line.completed i {
  color: #4ade80;
}
.sim-log-line.running i {
  color: #38bdf8;
}

/* Spinner Animation */
.spin {
  animation: spin-anim 1s linear infinite;
  display: inline-block;
}
@keyframes spin-anim {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Preview Panel Right */
.sim-preview-panel .sim-tab {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--color-primary);
  height: 100%;
  padding: 0 16px;
  margin-bottom: -1px;
}
.sim-preview-panel .sim-tab i {
  width: 14px;
  height: 14px;
}
.sim-window-actions {
  margin-left: auto;
  display: flex;
  gap: 6px;
}
.sim-action-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.1);
}
.sim-preview-content {
  flex: 1;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  min-height: 380px;
}

/* Weather App Widget Mockup */
.sim-weather-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 270px;
  padding: 20px;
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(0, 0, 0, 0.03);
}
.weather-search {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.weather-search input {
  flex: 1;
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 12px;
  color: var(--text-primary);
  font-size: 11px;
  outline: none;
  font-family: var(--font-sans);
}
.weather-search button {
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  width: 28px;
  height: 28px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.weather-search button i {
  width: 14px;
  height: 14px;
}
.weather-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 24px;
}
.weather-temp-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.weather-icon {
  width: 36px;
  height: 36px;
  color: var(--color-warning);
}
.weather-temp {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
}
.weather-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.weather-details span:first-child {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}
.weather-details span:last-child {
  font-size: 10px;
  color: var(--text-muted);
}
.weather-chart {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 70px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}
.chart-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.chart-bar {
  width: 8px;
  background: linear-gradient(to top, var(--color-primary), #71717a);
  border-radius: 4px 4px 0 0;
  transition: var(--transition-slow);
}
.chart-bar-wrap span {
  font-size: 9px;
  color: var(--text-muted);
}

/* ═══════════ TIMELINE CYCLIC LOOP ANIMATIONS ═══════════ */
.animate-msg-1 {
  animation: msg1-anim 16s infinite;
}
.animate-msg-2 {
  animation: msg2-anim 16s infinite;
}
.animate-msg-3 {
  animation: msg3-anim 16s infinite;
}
.weather-search {
  animation: search-anim 16s infinite;
}
.animate-weather {
  animation: weather-anim 16s infinite;
}
.weather-chart {
  animation: chart-anim 16s infinite;
}
.chart-bar {
  transform-origin: bottom;
  animation: chart-bar-anim 16s infinite;
}

@keyframes msg1-anim {
  0%, 100% { opacity: 0; transform: translateY(10px); }
  3%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes msg2-anim {
  0%, 12%, 100% { opacity: 0; transform: translateY(10px); }
  15%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes msg3-anim {
  0%, 28%, 100% { opacity: 0; transform: translateY(10px); }
  31%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes search-anim {
  0%, 37%, 100% { opacity: 0; transform: translateY(10px); }
  40%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes weather-anim {
  0%, 50%, 100% { opacity: 0; transform: translateY(10px); }
  53%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes chart-anim {
  0%, 62%, 100% { opacity: 0; transform: translateY(10px); }
  65%, 94% { opacity: 1; transform: translateY(0); }
  97%, 99% { opacity: 0; transform: translateY(-10px); }
}
@keyframes chart-bar-anim {
  0%, 65%, 100% { transform: scaleY(0); }
  70%, 94% { transform: scaleY(1); }
}

/* ═══════════ SAFETY & PERMISSIONS SECTION ═══════════ */
.safety-section {
  padding: 100px 0;
  position: relative;
}
.safety-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.safety-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.safety-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
  width: 100%;
}
.safety-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.list-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #f4f4f5;
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-normal);
}
.list-icon i {
  width: 18px;
  height: 18px;
}
.safety-list li:hover .list-icon {
  background: var(--color-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}
.safety-list li strong {
  display: block;
  color: var(--text-primary);
  font-size: 15px;
  margin-bottom: 4px;
  font-weight: 600;
}
.safety-list li div {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Safety Action UI Mockup Box */
.safety-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.safety-card {
  background: var(--bg-panel);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 12px;
  width: 100%;
  max-width: 360px;
  padding: 24px;
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(239, 68, 68, 0.02);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}
.safety-card:hover {
  border-color: rgba(239, 68, 68, 0.45);
  box-shadow: var(--shadow-lg), 0 10px 40px rgba(239, 68, 68, 0.04);
}
.safety-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-danger);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.safety-card-header i {
  width: 16px;
  height: 16px;
}
.safety-prompt {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.safety-cmd {
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 20px;
  font-family: Consolas, Monaco, monospace;
  font-size: 12px;
  color: #b91c1c;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  word-break: break-all;
}
.safety-actions {
  display: flex;
  gap: 12px;
}
.btn-deny {
  flex: 1;
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
  padding: 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}
.btn-deny:hover {
  background: rgba(239, 68, 68, 0.05);
  border-color: var(--color-danger);
}
.btn-allow {
  flex: 1;
  background: var(--color-success);
  border: none;
  color: #ffffff;
  padding: 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.15);
}
.btn-allow:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

/* ═══════════ QUICK START SECTION ═══════════ */
.quickstart-section {
  padding: 100px 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.01), transparent);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-bottom: 56px;
}
.step-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 36px 32px;
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}
.step-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f4f4f5;
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  transition: var(--transition-normal);
}
.step-card:hover .step-num {
  background: var(--color-primary);
  color: #ffffff;
  border-color: transparent;
}
.step-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.quickstart-cta {
  display: flex;
  justify-content: center;
}

/* ═══════════ FOOTER ═══════════ */
.footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px 0;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  gap: 64px;
  margin-bottom: 64px;
}
.footer-left {
  max-width: 400px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
  line-height: 1.6;
}
.footer-right {
  display: flex;
  gap: 80px;
}
.footer-links-group h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links-group a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}
.footer-links-group a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 24px 0 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══════════ RESPONSIVE MEDIA QUERIES ═══════════ */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 46px;
  }
  .simulator-box {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 16px;
  }
  .safety-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .safety-card {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 72px;
  }
  .nav-links {
    display: none; /* simple mobile behavior: hide navigation links, keep logo and action button */
  }
  .hero-section {
    padding-top: 130px;
    padding-bottom: 60px;
  }
  .hero-title {
    font-size: 36px;
    line-height: 1.25;
  }
  .hero-subtitle {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 12px;
  }
  .btn-large {
    width: 100%;
    box-sizing: border-box;
  }
  #hero-download-btn {
    justify-content: center;
  }
  .showcase-frame {
    transform: none;
  }
  .showcase-frame:hover {
    transform: translateY(-3px);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .step-card {
    padding: 28px 20px;
  }
  .footer-container {
    flex-direction: column;
    gap: 40px;
  }
  .footer-right {
    flex-direction: column;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}