/* ==========================================================================
   QR Generator & Scanner - Official Website & Play Store Landing Page
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 50%, #7c3aed 100%);
  --secondary: #4f46e5;
  --accent: #10b981;
  --accent-light: #ecfdf5;
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --dark-border: #334155;
  --light: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--light);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-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: 1.2rem;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-main);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--light);
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.25);
}

.btn-playstore {
  background: #000000;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
}

.btn-playstore:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.btn-playstore .play-icon {
  width: 28px;
  height: 28px;
}

.btn-playstore .play-texts {
  text-align: left;
  line-height: 1.2;
}

.btn-playstore .play-small {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.btn-playstore .play-large {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-success {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Hero Section */
.hero-section {
  padding: 70px 0 90px;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 40%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}

.stat-item .stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Phone Mockup */
.mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 320px;
  height: 640px;
  background: #0f172a;
  border-radius: 46px;
  padding: 12px;
  box-shadow: 0 25px 60px -15px rgba(37, 99, 235, 0.3),
              0 0 0 1px rgba(255, 255, 255, 0.1),
              0 0 0 8px #1e293b;
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0b1120;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  color: white;
}

.phone-real-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 36px;
  display: block;
}

.screenshot-card {
  background: var(--dark-surface);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--dark-border);
}
.screenshot-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
}
.screenshot-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}
.screenshot-caption {
  text-align: center;
  padding: 12px 8px 4px;
  font-weight: 600;
  font-size: 0.95rem;
  color: white;
}

.phone-notch {
  width: 120px;
  height: 24px;
  background: #1e293b;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  z-index: 10;
}

.phone-app-header {
  padding: 36px 18px 12px;
  background: linear-gradient(180deg, #1e3a8a 0%, #0f172a 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-app-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.phone-app-subtitle {
  font-size: 0.72rem;
  color: #93c5fd;
}

.phone-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.phone-qr-card {
  background: white;
  border-radius: 20px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.phone-qr-svg {
  width: 170px;
  height: 170px;
}

.phone-card-pills {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.phone-pill {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #1e293b;
  font-weight: 600;
}

.phone-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.phone-mini-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.phone-mini-btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  background: white;
  border-radius: 16px;
  padding: 12px 18px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 20;
  animation: float 4s ease-in-out infinite alternate;
}

.floating-badge.badge-top {
  top: 15%;
  left: -40px;
}

.floating-badge.badge-bottom {
  bottom: 12%;
  right: -30px;
  animation-delay: 2s;
}

.floating-badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.floating-badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.floating-badge-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
}

@keyframes float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-alt {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 12px;
  margin-bottom: 14px;
}

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

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: #cbd5e1;
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: white;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* Supported Types Grid */
.types-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.type-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  transition: all 0.2s ease;
}

.type-pill:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
}

.type-pill-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.type-pill-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.type-pill-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Interactive QR Demo */
.demo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.demo-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input,
.form-select {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.color-pickers {
  display: flex;
  gap: 24px;
}

.color-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-input {
  -webkit-appearance: none;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: 2px solid var(--border);
  border-radius: 50%;
}

.demo-preview-box {
  background: var(--light);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

#demo-qr-canvas {
  max-width: 200px;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  background: white;
  padding: 12px;
}

/* Compliance & Data Safety Section */
.compliance-box {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-xl);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 36px;
}

.compliance-item {
  display: flex;
  gap: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px;
  border-radius: var(--radius-md);
}

.compliance-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.3);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.compliance-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: #f8fafc;
}

.compliance-item p {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.5;
}

/* Tech Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.specs-table th,
.specs-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.specs-table th {
  background: var(--light);
  font-weight: 600;
  color: var(--text-muted);
  width: 35%;
}

.specs-table td {
  font-weight: 500;
}

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

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  user-select: none;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 24px 20px;
}

/* Legal & Policy Pages Layout */
.legal-container {
  max-width: 860px;
  margin: 40px auto 80px;
  padding: 0 24px;
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.legal-header {
  border-bottom: 2px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.legal-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-main);
}

.legal-meta {
  display: flex;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.legal-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-main);
}

.legal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text-main);
}

.legal-content p,
.legal-content ul,
.legal-content ol {
  color: #334155;
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
  padding-left: 24px;
}

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

.legal-highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.legal-highlight-box p {
  color: #1e3a8a;
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 70px 0 30px;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-column h4 {
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #0f172a;
  color: white;
  padding: 14px 24px;
  border-radius: 9999px;
  box-shadow: var(--shadow-xl);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .hero-stats {
    width: 100%;
    max-width: 480px;
  }

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

  .types-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav-menu.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.3rem;
  }

  .floating-badge {
    display: none;
  }

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

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

  .legal-card {
    padding: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}