/* ==========================================================================
   ExpiryGuard Design System & Stylesheet
   Crafted for gitpankaj7/ExpiryGuard Showcase Website
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Brand Palettes matching ExpiryGuard Android App */
  --primary: #1B6B3A;
  --primary-light: #7CDB96;
  --primary-container: rgba(27, 107, 58, 0.18);
  --primary-glow: rgba(124, 219, 150, 0.35);

  --secondary: #1565C0;
  --secondary-light: #64B5F6;
  --secondary-container: rgba(21, 101, 192, 0.18);
  --secondary-glow: rgba(100, 181, 246, 0.35);

  --accent-gold: #FFB300;
  --accent-gold-glow: rgba(255, 179, 0, 0.3);

  /* Status Colors */
  --danger: #EF5350;
  --danger-container: rgba(239, 83, 80, 0.15);
  --warning: #FF9800;
  --warning-container: rgba(255, 152, 0, 0.15);
  --success: #43A047;
  --success-container: rgba(67, 160, 71, 0.15);

  /* Dark Theme Tokens (Default) */
  --bg-main: #060907;
  --bg-surface: #0E1410;
  --bg-card: rgba(18, 25, 20, 0.75);
  --bg-card-hover: rgba(25, 36, 28, 0.9);
  --bg-input: #121A14;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(124, 219, 150, 0.5);

  --text-main: #F1F5F2;
  --text-muted: #8E9C92;
  --text-dim: #5C6960;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px -10px var(--primary-glow);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light Theme Mode */
[data-theme="light"] {
  --bg-main: #F5F9F6;
  --bg-surface: #FFFFFF;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #FFFFFF;
  --bg-input: #EDF3EE;
  --border-color: rgba(0, 0, 0, 0.09);
  --border-focus: rgba(27, 107, 58, 0.6);

  --text-main: #141A16;
  --text-muted: #4B5A50;
  --text-dim: #7B8B80;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px -10px rgba(27, 107, 58, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Ambient Glows */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.22;
  transition: opacity 0.5s ease;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  top: -150px;
  right: -100px;
  background: radial-gradient(circle, #7CDB96 0%, #1B6B3A 70%, transparent 100%);
}

.glow-orb-2 {
  width: 500px;
  height: 500px;
  top: 40%;
  left: -150px;
  background: radial-gradient(circle, #64B5F6 0%, #1565C0 70%, transparent 100%);
}

.glow-orb-3 {
  width: 550px;
  height: 550px;
  bottom: 5%;
  right: -50px;
  background: radial-gradient(circle, #7CDB96 0%, #FFB300 70%, transparent 100%);
  opacity: 0.15;
}

/* Grid overlay */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: linear-gradient(to right, var(--border-color) 1px, transparent 1px),
                    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 50%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 50%, transparent 100%);
  opacity: 0.45;
}

/* Layout Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

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

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6, 9, 7, 0.85);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.35);
  transition: var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.06);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1.5rem;
}

/* ── Brand Identity ── */
.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  text-decoration: none;
}

.brand-logo-img {
  width: 35px;
  height: 35px;
  border-radius: 9px;
  box-shadow: 0 2px 10px rgba(27, 107, 58, 0.35);
  display: block;
}

.brand-badge {
  font-size: 0.68rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(124, 219, 150, 0.12);
  color: var(--primary-light);
  border: 1px solid rgba(124, 219, 150, 0.28);
  white-space: nowrap;
}

[data-theme="light"] .brand-badge {
  color: var(--primary);
  background: rgba(27, 107, 58, 0.08);
  border-color: rgba(27, 107, 58, 0.2);
}

/* ── Centered Capsule Navigation Menu ── */
.nav-menu-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-full);
  padding: 4px;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .nav-links {
  background: rgba(0, 0, 0, 0.035);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.nav-link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.42rem 0.95rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .nav-link {
  color: #4B5A50;
}

[data-theme="light"] .nav-link:hover {
  color: #141A16;
  background: rgba(0, 0, 0, 0.06);
}

/* ── Actions Group (Right) ── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.btn-icon.theme-btn {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon.theme-btn:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.08);
}

.btn-github-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-github-nav:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.nav-star-count {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgba(255, 179, 0, 0.14);
  color: #FFB300;
  border: 1px solid rgba(255, 179, 0, 0.28);
}

.btn-nav-cta {
  padding: 0.46rem 1.15rem;
  font-size: 0.86rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 3px 12px rgba(27, 107, 58, 0.4);
  white-space: nowrap;
}

.mobile-menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #1B6B3A 0%, #2E7D32 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(27, 107, 58, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #238548 0%, #388E3C 100%);
  box-shadow: 0 6px 24px rgba(27, 107, 58, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-glow:hover::after {
  opacity: 1;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 5rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge-container {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(124, 219, 150, 0.1);
  border: 1px solid rgba(124, 219, 150, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  width: fit-content;
}

[data-theme="light"] .hero-badge-container {
  color: var(--primary);
  background: rgba(27, 107, 58, 0.08);
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-light);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.text-gradient-primary {
  background: linear-gradient(135deg, #7CDB96 20%, #64B5F6 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .text-gradient-primary {
  background: linear-gradient(135deg, #1B6B3A 20%, #1565C0 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.65;
}

.hero-stats-row {
  display: flex;
  gap: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-top: 0.5rem;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-author-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   Interactive Smartphone Mockup (CSS Frame)
   -------------------------------------------------------------------------- */
.phone-mockup-wrapper {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-mockup-wrapper::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 580px;
  background: radial-gradient(circle, var(--primary-glow) 0%, var(--secondary-glow) 70%, transparent 100%);
  filter: blur(60px);
  z-index: 0;
  opacity: 0.6;
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: 320px;
  height: 640px;
  background: #111512;
  border-radius: 42px;
  border: 4px solid #2B352E;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7),
              0 0 0 1px rgba(255, 255, 255, 0.08),
              inset 0 0 6px rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* Phone Status Bar */
.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1.4rem 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #E1E3DE;
  background: #0A0F0A;
}

.phone-camera-island {
  width: 12px;
  height: 12px;
  background: #000000;
  border-radius: 50%;
  border: 1px solid #222;
}

.phone-status-icons {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
}

/* Phone Inner Screen */
.phone-screen {
  flex: 1;
  background: #0A0F0A;
  color: #E1E3DE;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* App Header inside phone */
.app-top-bar {
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 15, 10, 0.95);
}

.app-title-group h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #E1E3DE;
}

.app-membership-chip {
  font-size: 0.65rem;
  background: #005229;
  color: #B7F1C8;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-weight: 600;
  display: inline-block;
  margin-top: 0.1rem;
}

.app-sub-tagline {
  font-size: 0.7rem;
  color: #8E9C92;
}

/* Phone Screen Content Container */
.phone-screen-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.phone-screen-body::-webkit-scrollbar {
  width: 3px;
}

.phone-screen-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

/* 2x2 Stats Grid inside phone */
.phone-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.sim-stat-card {
  padding: 0.65rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
}

.sim-stat-total {
  background: linear-gradient(135deg, #1565C0, #42A5F5);
}

.sim-stat-30d {
  background: linear-gradient(135deg, #FF6F00, #FFA000);
}

.sim-stat-7d {
  background: linear-gradient(135deg, #D32F2F, #EF5350);
}

.sim-stat-expired {
  background: linear-gradient(135deg, #880E4F, #C2185B);
}

.sim-stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.65rem;
  opacity: 0.9;
  font-weight: 600;
}

.sim-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-top: 0.2rem;
}

/* Quick Action Row inside phone */
.phone-quick-actions {
  display: flex;
  gap: 0.5rem;
}

.sim-action-btn {
  flex: 1;
  padding: 0.5rem 0.4rem;
  background: #1B221C;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: #E1E3DE;
  font-size: 0.7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: var(--transition);
}

.sim-action-btn:hover, .sim-action-btn.active {
  background: #238548;
  color: #FFFFFF;
  border-color: #7CDB96;
}

/* Phone Product List */
.phone-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #C1C9BF;
}

.phone-product-card {
  background: #161D17;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: transform 0.2s ease;
}

.phone-product-card:hover {
  transform: translateX(2px);
  border-color: rgba(124, 219, 150, 0.3);
}

.phone-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.phone-card-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: #F1F5F2;
}

.phone-card-category {
  font-size: 0.65rem;
  color: #8E9C92;
}

.expiry-chip {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.chip-expired {
  background: rgba(239, 83, 80, 0.2);
  color: #EF5350;
  border: 1px solid rgba(239, 83, 80, 0.4);
}

.chip-critical {
  background: rgba(255, 152, 0, 0.2);
  color: #FFA726;
  border: 1px solid rgba(255, 152, 0, 0.4);
}

.chip-safe {
  background: rgba(67, 160, 71, 0.2);
  color: #81C784;
  border: 1px solid rgba(67, 160, 71, 0.4);
}

.phone-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.65rem;
  color: #8E9C92;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  padding-top: 0.3rem;
  margin-top: 0.1rem;
}

.card-price {
  color: #B7F1C8;
  font-weight: 700;
}

/* Phone Bottom Navigation */
.phone-bottom-nav {
  display: flex;
  background: #0D130E;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.2rem;
}

.phone-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  background: transparent;
  border: none;
  color: #72796F;
  font-size: 0.6rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

.phone-nav-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.phone-nav-btn.active {
  color: #7CDB96;
}

/* --------------------------------------------------------------------------
   Interactive Showcase Playground Section
   -------------------------------------------------------------------------- */
.playground-section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-light);
  margin-bottom: 0.5rem;
}

[data-theme="light"] .section-tag {
  color: var(--primary);
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Playground Tabs Container */
.playground-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.playground-tab-bar {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.playground-tab-bar::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 1.1rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary-light);
  background: rgba(124, 219, 150, 0.04);
}

[data-theme="light"] .tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-pane {
  display: none;
  padding: 2rem;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Playground Tab 1: Scanner Simulator ── */
.scanner-demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.scanner-viewport-box {
  position: relative;
  background: #030604;
  border-radius: var(--radius-md);
  height: 340px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.scanner-laser {
  position: absolute;
  top: 15%;
  left: 10%;
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #EF5350, #FF5252, transparent);
  box-shadow: 0 0 16px #FF1744;
  animation: scanLaser 2.2s ease-in-out infinite alternate;
  z-index: 10;
}

@keyframes scanLaser {
  0% { top: 15%; opacity: 0.4; }
  50% { opacity: 1; }
  100% { top: 80%; opacity: 0.4; }
}

.scanner-reticle {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 2px dashed rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scanner-reticle-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: #7CDB96;
  border-style: solid;
}

.corner-tl { top: -2px; left: -2px; border-width: 3px 0 0 3px; border-top-left-radius: 8px; }
.corner-tr { top: -2px; right: -2px; border-width: 3px 3px 0 0; border-top-right-radius: 8px; }
.corner-bl { bottom: -2px; left: -2px; border-width: 0 0 3px 3px; border-bottom-left-radius: 8px; }
.corner-br { bottom: -2px; right: -2px; border-width: 0 3px 3px 0; border-bottom-right-radius: 8px; }

.scanner-target-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 5;
  transition: transform 0.3s ease;
}

.scanner-barcode-img {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 4px;
  color: #FFFFFF;
  background: rgba(0,0,0,0.4);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px dashed rgba(255,255,255,0.3);
}

.scanner-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sample-selector-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sample-buttons-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sample-pill {
  padding: 0.45rem 0.85rem;
  font-size: 0.825rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.sample-pill:hover, .sample-pill.active {
  background: var(--primary-container);
  color: var(--primary-light);
  border-color: var(--primary-light);
}

[data-theme="light"] .sample-pill:hover, [data-theme="light"] .sample-pill.active {
  color: var(--primary);
  border-color: var(--primary);
}

.scan-result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.result-label {
  color: var(--text-muted);
}

.result-val {
  font-weight: 600;
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* ── Playground Tab 2: Loss Recovery Engine ── */
.assistant-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.lang-switch-toggle {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-toggle-btn {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.lang-toggle-btn.active {
  background: var(--primary);
  color: #FFFFFF;
}

.recovery-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.recovery-action-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.recovery-action-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.recovery-action-card.risk-critical {
  border-left: 4px solid var(--danger);
}

.recovery-action-card.risk-high {
  border-left: 4px solid var(--warning);
}

.recovery-action-card.risk-medium {
  border-left: 4px solid var(--secondary-light);
}

.recovery-action-card.risk-low {
  border-left: 4px solid var(--success);
}

.recovery-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.recovery-product-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.recovery-category-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.recovery-best-action {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.action-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
}

[data-theme="light"] .action-label {
  color: var(--primary);
}

.action-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.recovery-steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.step-item {
  display: flex;
  gap: 0.5rem;
  line-height: 1.45;
}

.step-badge {
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.7rem;
  height: fit-content;
  white-space: nowrap;
}

.badge-today {
  background: rgba(239, 83, 80, 0.2);
  color: var(--danger);
}

.badge-next {
  background: rgba(100, 181, 246, 0.2);
  color: var(--secondary-light);
}

.recovery-tags-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.playbook-tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Playground Tab 3: Inventory Table & Export ── */
.inventory-actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.inventory-filter-group {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.inv-filter-btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.inv-filter-btn.active, .inv-filter-btn:hover {
  background: var(--primary-container);
  color: var(--primary-light);
  border-color: var(--primary-light);
}

[data-theme="light"] .inv-filter-btn.active, [data-theme="light"] .inv-filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.inventory-table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.inv-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.inv-table th {
  background: rgba(0, 0, 0, 0.15);
  padding: 0.85rem 1rem;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.inv-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

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

.inv-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* --------------------------------------------------------------------------
   Feature Grid Section
   -------------------------------------------------------------------------- */
.features-section {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition);
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-container);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

[data-theme="light"] .feature-icon-box {
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.feature-card p {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-tech-badge {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-dim);
  width: fit-content;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   Architecture & Pipeline Section
   -------------------------------------------------------------------------- */
.architecture-section {
  padding: 5rem 0;
}

.arch-flow-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.arch-diagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.arch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.arch-step-num {
  width: 26px;
  height: 26px;
  background: var(--secondary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.arch-card h4 {
  font-size: 1.1rem;
}

.arch-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.arch-code-snippet {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  background: #030604;
  padding: 0.5rem;
  border-radius: 6px;
  color: #7CDB96;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow-x: auto;
}


/* --------------------------------------------------------------------------
   Pricing Section (₹49/mo & Free Trial)
   -------------------------------------------------------------------------- */
.pricing-section {
  padding: 5rem 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 860px;
  margin: 0 auto;
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary-light);
  box-shadow: 0 0 35px -10px var(--primary-glow);
  background: linear-gradient(180deg, rgba(27, 107, 58, 0.12) 0%, var(--bg-card) 40%);
}

[data-theme="light"] .pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(27, 107, 58, 0.06) 0%, var(--bg-card) 40%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, #1B6B3A, #2E7D32);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.pricing-plan-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-plan-price {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
  margin: 1rem 0 0.5rem;
  color: var(--text-main);
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 2rem 0;
  font-size: 0.925rem;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pricing-feature-item svg {
  color: var(--primary-light);
  flex-shrink: 0;
}

[data-theme="light"] .pricing-feature-item svg {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   CTA & Footer Section
   -------------------------------------------------------------------------- */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--bg-main) 0%, rgba(27, 107, 58, 0.12) 100%);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.cta-box {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.cta-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-badge-container, .hero-author-note {
    margin: 0 auto;
  }

  .hero-description {
    margin: 0 auto;
  }

  .hero-stats-row {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

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

  .arch-diagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .nav-menu-wrapper {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(6, 9, 7, 0.96);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  }

  .nav-menu-wrapper.open {
    display: block;
  }

  .nav-menu-wrapper .nav-links {
    flex-direction: column;
    width: 100%;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 0.5rem;
  }

  .nav-menu-wrapper .nav-link {
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .btn-github-nav span:not(.nav-star-count) {
    display: none;
  }
}

@media (max-width: 768px) {
  .btn-github-nav {
    display: none;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .scanner-demo-grid {
    grid-template-columns: 1fr;
  }

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

  .arch-diagram-grid {
    grid-template-columns: 1fr;
  }

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