/* ==========================================================================
   MagicNFC - Modern CSS Stylesheet
   ========================================================================== */

:root {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-strong: rgba(255, 255, 255, 0.08);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.4);
  
  --primary: #4f46e5;
  --primary-glow: #6366f1;
  --primary-light: #818cf8;
  --secondary: #06b6d4;
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
  --shadow-glow-cyan: 0 0 35px rgba(6, 182, 212, 0.2);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Background Light Effects */
.bg-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.glow-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-glow), transparent 70%);
  top: -100px;
  left: 20%;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.glow-orb-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--secondary), transparent 70%);
  top: 40%;
  right: -100px;
  animation: floatOrb2 22s ease-in-out infinite alternate;
}

.glow-orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  bottom: -50px;
  left: 10%;
  animation: floatOrb 20s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 80px) scale(1.15); }
}

@keyframes floatOrb2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-80px, 60px) scale(1.1); }
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(9, 13, 22, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.5);
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-icon {
  transform: scale(1.05) rotate(3deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
  transition: all var(--transition-fast);
}

.btn-nav-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

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

@keyframes pulseBeacon {
  0% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
  70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
  100% { transform: scale(0.95); opacity: 0.8; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, #818cf8 70%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
}

/* Download App Badges / Buttons */
.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.store-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
  min-width: 200px;
}

.store-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 20px rgba(99, 102, 241, 0.2);
}

.store-btn.ios-btn:hover {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 25px rgba(99, 102, 241, 0.3);
}

.store-btn.android-btn:hover {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 25px rgba(16, 185, 129, 0.25);
}

.store-btn-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.store-btn-icon svg {
  width: 100%;
  height: 100%;
}

.store-btn-text {
  display: flex;
  flex-direction: column;
}

.store-btn-caption {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.store-btn-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.hero-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.meta-pill {
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-pill svg {
  color: var(--success);
  width: 16px;
  height: 16px;
}

/* Hero Visual / Interactive Phone Card Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.device-showcase {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.device-frame {
  background: #1e293b;
  border-radius: 36px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.device-screen {
  background: #0f172a;
  border-radius: 26px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

/* Phone UI Header */
.screen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.screen-app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.screen-logo {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.screen-app-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.screen-tag-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 12px;
}

/* Animated NFC Ripple on Screen */
.nfc-tap-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  position: relative;
  text-align: center;
  overflow: hidden;
}

.nfc-radar-waves {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.nfc-icon-center {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  z-index: 2;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
}

.ripple {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--primary-glow);
  opacity: 0;
  animation: radarWave 2.8s cubic-bezier(0.1, 0.2, 0.3, 1) infinite;
}

.ripple:nth-child(2) { animation-delay: 0.9s; }
.ripple:nth-child(3) { animation-delay: 1.8s; }

@keyframes radarWave {
  0% { transform: scale(0.4); opacity: 0.9; }
  100% { transform: scale(1.6); opacity: 0; }
}

.nfc-zone-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.nfc-zone-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Screen Payload Cards Preview */
.screen-payload-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.payload-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.payload-info {
  flex: 1;
  min-width: 0;
}

.payload-type {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 600;
}

.payload-val {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.screen-write-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Section Common Styling */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.4rem;
}

.icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.icon-orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #f472b6; }

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.feature-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-card-badge {
  margin-top: 16px;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-glass-strong);
  color: var(--text-muted);
}

/* Interactive Simulator / Action Showcase Section */
.simulator-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.simulator-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.simulator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.sim-editor-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sim-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-input-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sim-input {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
  font-family: inherit;
}

.sim-input:focus {
  border-color: var(--primary-glow);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.sim-capacity-meter {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.meter-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.meter-bar-track {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  width: 24%;
  background: linear-gradient(90deg, var(--secondary), var(--success));
  border-radius: 4px;
  transition: width 0.4s ease, background 0.4s ease;
}

.meter-desc {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Simulated Physical NFC Tag Card */
.sim-preview-panel {
  display: flex;
  justify-content: center;
}

.physical-nfc-card {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1.586 / 1; /* Standard ISO/IEC 7810 ID-1 card aspect ratio */
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #0f172a 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.2);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.physical-nfc-card:hover {
  transform: scale(1.02) rotate(1deg);
}

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

.card-chip {
  width: 40px;
  height: 30px;
  background: linear-gradient(135deg, #d97706, #fbbf24);
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  position: relative;
}

.card-chip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(0,0,0,0.3);
}

.card-nfc-icon svg {
  width: 28px;
  height: 28px;
  color: rgba(255, 255, 255, 0.8);
}

.card-center {
  margin: 12px 0;
}

.card-action-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secondary);
  font-weight: 700;
}

.card-action-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
}

.card-tag-spec {
  font-weight: 600;
  color: #cbd5e1;
}

/* Hardware Specs Section */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.spec-card.featured {
  border-color: var(--primary-glow);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.spec-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.spec-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #fff;
}

.spec-capacity {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 16px;
}

.spec-capacity span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.spec-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.92rem;
}

.spec-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.spec-features-list li svg {
  color: var(--success);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* How It Works Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  text-align: left;
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(6, 182, 212, 0.2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Privacy & Security Banner */
.privacy-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: center;
  margin: 30px 0;
}

.privacy-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-icon svg {
  width: 44px;
  height: 44px;
}

.privacy-heading {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.privacy-body {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

/* FAQ Section Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--border-highlight);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--primary-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding-bottom: 22px;
}

/* CTA Bottom Section */
.cta-section {
  text-align: center;
  padding: 100px 0;
  position: relative;
}

.cta-box {
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, rgba(17, 24, 39, 0.8) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-xl);
  padding: 60px 32px;
  box-shadow: var(--shadow-glow);
  max-width: 860px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
}

.cta-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.cta-store-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: #060910;
  padding: 60px 0 30px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 12px;
  max-width: 320px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive Breakpoints */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .store-buttons {
    justify-content: center;
  }
  
  .hero-meta-tags {
    justify-content: center;
  }
  
  .simulator-layout {
    grid-template-columns: 1fr;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .privacy-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 24px;
  }
  
  .privacy-icon {
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .navbar.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 20px;
  }
  
  .simulator-container {
    padding: 24px 16px;
  }
  
  .store-btn {
    width: 100%;
  }
}