/* 
  TapReview Beta Landing Page Styles
  Design System: Clean, Modern, Minimal & Premium
  Colors: White + Deep Navy Slate + Vibrant Indigo Primary + Amber Star Accent
*/

:root {
  /* Color Palette */
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-white: #FFFFFF;

  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --primary-border: #BFDBFE;

  --accent-gold: #F59E0B;
  --accent-emerald: #10B981;

  --border-light: #E2E8F0;
  --border-focus: #93C5FD;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 4px 10px -4px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.12);
  --shadow-hover: 0 25px 50px -12px rgba(37, 99, 235, 0.18);

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  font-size: 16px;
  color: var(--text-primary);
  background-color: var(--bg-main);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Containers & Typography Helpers */
.section-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-center {
  text-align: center;
}

.section-header {
  margin-bottom: 56px;
}

.section-tagline {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-tagline.light {
  color: #93C5FD;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* Button Component System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn-md {
  padding: 12px 24px;
  font-size: 1rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
  padding: 14px 24px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-alt);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: #E2E8F0;
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* 1. NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  position: relative;
  width: 38px;
  height: 38px;
  background: var(--bg-dark);
  color: var(--text-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nfc-signal-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.brand-dot {
  color: var(--primary);
}

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 4px;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  padding: 20px 24px 28px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-light);
}

.mobile-drawer.active {
  display: flex;
}

.mobile-nav-link {
  padding: 12px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  border-bottom: 1px solid var(--bg-alt);
}

.mobile-drawer-cta {
  margin-top: 16px;
}

/* 2. HERO SECTION */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  background: radial-gradient(circle at 80% 20%, #EFF6FF 0%, rgba(255, 255, 255, 0) 50%);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.beta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.trust-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.trust-icons {
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
}

/* Hero Visual & Float Animation */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-glow-bg {
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  filter: blur(40px);
  z-index: 0;
}

.hero-card-wrapper {
  position: relative;
  z-index: 1;
  max-width: 480px;
  width: 100%;
}

.hero-card-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.float-animation {
  animation: float 4s ease-in-out infinite;
}

.visual-badge {
  position: absolute;
  bottom: -20px;
  left: 20px;
  z-index: 2;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.visual-badge .stars {
  color: var(--accent-gold);
  font-size: 0.9375rem;
  letter-spacing: 2px;
}

.visual-badge span {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* 3. HOW IT WORKS */
.how-it-works-section {
  padding: 100px 0;
  background-color: var(--bg-alt);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.step-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.85;
}

.step-icon-bg {
  width: 48px;
  height: 48px;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* In-Action Showcase Banner */
.in-action-banner {
  background-color: var(--bg-dark);
  color: var(--text-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.banner-image-container {
  width: 100%;
  height: 100%;
  min-height: 320px;
}

.action-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-content {
  padding: 48px 40px;
}

.banner-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.banner-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.banner-text {
  font-size: 1rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: 28px;
}

/* 4. PRODUCT / FEATURES */
.features-section {
  padding: 100px 0;
  background-color: var(--bg-main);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 16px;
  display: inline-block;
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 5. USE CASES */
.use-cases-section {
  padding: 100px 0;
  background-color: var(--bg-alt);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.use-case-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: left;
  transition: var(--transition);
}

.use-case-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.use-case-emoji {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.use-case-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.use-case-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* 6. PRICING */
.pricing-section {
  padding: 100px 0;
  background-color: var(--bg-main);
}

.pricing-card-wrapper {
  display: flex;
  justify-content: center;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  text-align: center;
}

.pricing-badge {
  display: inline-block;
  background-color: var(--primary);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.pricing-product-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}

.price-from {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-unit {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pricing-subtext {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-divider {
  border: none;
  height: 1px;
  background-color: var(--border-light);
  margin: 24px 0;
}

.pricing-features-list {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.pricing-features-list svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.pricing-cta-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* INLINE ORDER SECTION */
.order-section {
  padding: 90px 0;
  background-color: var(--bg-dark);
  color: var(--text-white);
}

.order-box-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.order-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
}

.order-desc {
  font-size: 1.0625rem;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 28px;
}

.order-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #E2E8F0;
}

.order-form-side {
  background-color: var(--bg-main);
  color: var(--text-primary);
  padding: 36px 32px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.required {
  color: #EF4444;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--bg-main);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 7. FINAL CTA */
.final-cta-section {
  padding: 100px 0;
  background: radial-gradient(circle at 50% 50%, #EFF6FF 0%, var(--bg-main) 70%);
}

.final-cta-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.final-cta-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* 8. FOOTER */
.footer {
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-light);
  padding: 60px 0 30px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 380px;
}

.footer-desc {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links-group {
  display: flex;
  gap: 60px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.footer-list a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-list a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--bg-alt);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* MODALS */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-main);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  padding: 32px 28px;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--bg-alt);
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 24px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 6px;
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Success Modal Details */
.success-card {
  padding: 40px 32px;
}

.success-icon {
  width: 64px;
  height: 64px;
  background-color: #D1FAE5;
  color: var(--accent-emerald);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

  .trust-line {
    justify-content: center;
  }

  .in-action-banner {
    grid-template-columns: 1fr;
  }

  .order-box-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }

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

  .hero-title {
    font-size: 2.35rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .steps-grid,
  .features-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
  }
}