/* ==========================================================================
   UndefinedFlow - Modern Light Theme Design System
   Pure Vanilla CSS - Performance & SEO Focused
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-main: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-badge: #EEF2FF;
  --bg-badge-alt: #F0FDF4;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #94A3B8;
  --text-inverse: #FFFFFF;

  --accent-primary: #4F46E5;
  --accent-hover: #4338CA;
  --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  --accent-subtle: rgba(79, 70, 229, 0.08);
  --accent-border: rgba(79, 70, 229, 0.2);

  --border-color: #E2E8F0;
  --border-light: #F1F5F9;
  --border-focus: #818CF8;

  --success: #10B981;
  --success-bg: #ECFDF5;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px -5px rgba(79, 70, 229, 0.15);

  /* Layout & Geometry */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

body {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  background-color: var(--bg-main);
  position: relative;
}

/* Subtle background mesh gradient for modern tech light look */
.bg-mesh {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 650px;
  background: 
    radial-gradient(circle at 15% 15%, rgba(79, 70, 229, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(124, 58, 237, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

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

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--bg-badge);
  color: var(--accent-primary);
  border: 1px solid var(--accent-border);
}

.badge-green {
  background-color: var(--success-bg);
  color: #065F46;
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* 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: var(--radius-sm);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-inverse);
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

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

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.brand-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.lang-btn {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background-color: var(--bg-main);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.lang-btn:hover:not(.active) {
  color: var(--text-main);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  padding: 0;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge-wrapper {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.35rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}

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

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero Tech Badges / Highlights */
.hero-highlights {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-light);
  font-size: 0.875rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-weight: 500;
}

.highlight-icon {
  width: 18px;
  height: 18px;
  color: var(--success);
}

/* ==========================================================================
   Section Header Styling
   ========================================================================== */
.section {
  padding: 5.5rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.6rem;
  display: block;
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

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

/* ==========================================================================
   Bento Grid: In-House Proprietary Products
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-finance {
  grid-column: span 7;
}

.card-outfits {
  grid-column: span 5;
}

.card-authority {
  grid-column: span 12;
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
  border-left: 4px solid var(--accent-primary);
}

.bento-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.bento-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bento-card-title {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

.bento-card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.features-list li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Product Preview Containers */
.product-preview {
  margin-top: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  height: 270px;
}

/* Finance Card Side-by-Side Layout */
.card-finance-layout {
  display: grid;
  grid-template-columns: 1fr minmax(180px, 215px);
  grid-template-rows: 1fr auto;
  gap: 1.25rem 1.75rem;
  align-items: center;
  flex: 1;
}

.card-finance-info {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
}

.card-finance-info .features-list {
  margin-bottom: 0;
}

.card-finance-action {
  grid-column: 1;
  grid-row: 2;
  margin-top: 1.25rem;
}

.card-finance-mockup {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Phone Mockup (Android / FlowBalance) - Full Device Frame */
.mockup-phone {
  width: 100%;
  max-width: 215px;
  background-color: #0F172A;
  border-radius: 36px;
  padding: 8px;
  box-shadow: 0 20px 45px -8px rgba(15, 23, 42, 0.28), 0 0 0 1px #334155, 0 1px 2px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.bento-card:hover .mockup-phone {
  transform: translateY(-6px);
  box-shadow: 0 28px 52px -10px rgba(15, 23, 42, 0.35), 0 0 0 1px #475569;
}

.phone-island {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 11px;
  background-color: #0F172A;
  border-radius: 12px;
  z-index: 3;
}

.phone-screen {
  border-radius: 28px;
  overflow: hidden;
  background-color: #0B1120;
  aspect-ratio: 9 / 19.5;
  position: relative;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
}

/* Browser Mockup (Desktop SPA / Kavenist) */
.preview-browser-wrap {
  background: radial-gradient(circle at 50% 120%, rgba(124, 58, 237, 0.08) 0%, rgba(248, 250, 252, 0.8) 70%), #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.mockup-browser {
  width: 100%;
  max-width: 440px;
  background-color: #FFFFFF;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.bento-card:hover .mockup-browser {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -6px rgba(15, 23, 42, 0.12);
}

.browser-header {
  background-color: #F8FAFC;
  padding: 7px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.browser-dots {
  display: flex;
  align-items: center;
  gap: 5px;
}

.dot-red, .dot-yellow, .dot-green {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.dot-red { background-color: #EF4444; }
.dot-yellow { background-color: #F59E0B; }
.dot-green { background-color: #10B981; }

.browser-address {
  font-size: 0.725rem;
  color: var(--text-muted);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  flex-grow: 1;
  max-width: 170px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.browser-viewport {
  overflow: hidden;
  background-color: #FFFFFF;
  line-height: 0;
}

.browser-viewport img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Google Play Store Badge Button */
.btn-googleplay {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #0F172A;
  color: #FFFFFF;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.btn-googleplay:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-googleplay svg {
  width: 22px;
  height: 22px;
}

.play-text-top {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.play-text-main {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.1;
}

/* Web App Live Action Button */
.btn-webapp {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--accent-gradient);
  color: #FFFFFF;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  transition: transform var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.25);
}

.btn-webapp:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.btn-webapp svg {
  flex-shrink: 0;
}

.webapp-text-top {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.webapp-text-main {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.1;
}

/* ==========================================================================
   Services & Packages Pricing Cards
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border: 2px solid var(--accent-primary);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
}

.pricing-header {
  margin-bottom: 1.5rem;
}

.pricing-title {
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

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

.pricing-features {
  list-style: none;
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.925rem;
  color: var(--text-muted);
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-price-box {
  margin-top: auto;
  padding-top: 1.25rem;
  margin-bottom: 1.25rem;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.price-box-label {
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
  font-weight: 600;
}

.price-box-amount {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.025em;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  line-height: 1.2;
}

.price-box-currency {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.price-box-note {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.pricing-card .btn {
  width: 100%;
}

/* ==========================================================================
   Modular Custom Add-ons & Features
   ========================================================================== */
.custom-addons-box {
  margin-top: 3.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  box-shadow: var(--shadow-sm);
}

.addons-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.addons-header .badge {
  margin-bottom: 0.75rem;
}

.addons-title {
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.addons-desc {
  font-size: 1rem;
  color: var(--text-muted);
}

.addons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.addon-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.addon-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-focus);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.addon-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.addon-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.addon-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.addons-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.addons-footer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Interactive Features Checkboxes in Contact Form */
.features-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.checkbox-pill {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.95rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.checkbox-pill:hover {
  background-color: #FFFFFF;
  border-color: var(--accent-primary);
  color: var(--text-main);
}

.checkbox-pill input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-pill:has(input[type="checkbox"]:checked) {
  background-color: var(--accent-subtle);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  font-weight: 600;
}

/* ==========================================================================
   4-Step Workflow Section
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent-subtle);
  -webkit-text-stroke: 1px var(--accent-border);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  background: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-light);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.35rem;
}

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

/* ==========================================================================
   Contact Form & Lead Capture Section
   ========================================================================== */
.contact-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 3rem 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-group.full-width {
  grid-column: span 2;
}

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

.form-label .required {
  color: #EF4444;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  display: none;
  line-height: 1.5;
}

.form-status.show {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form-status.success {
  background-color: var(--success-bg);
  color: #065F46;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn-loading .btn-spinner {
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.contact-alternatives {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.contact-alt-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-alt-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   CTA Banner Section
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner-content {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-banner h2 {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.cta-banner p {
  color: #CBD5E1;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 0.85rem;
  max-width: 320px;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin-bottom: 1.15rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  overflow-wrap: anywhere;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ==========================================================================
   Floating WhatsApp Button & Docked Scroll-Top Tab
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2.75rem;
  right: 2rem;
  z-index: 95;
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, #25D366 0%, #1EBE5D 100%);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.42), 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55), 0 12px 30px rgba(0, 0, 0, 0.25);
  color: #FFFFFF;
}

.whatsapp-float:active {
  transform: scale(0.95);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #FFFFFF;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.45;
  z-index: -1;
  animation: wa-pulse 2.8s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes wa-pulse {
  0% {
    transform: scale(1);
    opacity: 0.45;
  }
  55% {
    transform: scale(1.25);
    opacity: 0;
  }
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}

.whatsapp-float-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Docked Back-to-Top Tab */
.scroll-top-tab {
  position: fixed;
  bottom: 0;
  right: calc(2rem + 4px);
  width: 50px;
  height: 30px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 94;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.3);
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  padding: 0;
  outline: none;
}

.scroll-top-tab svg {
  width: 18px;
  height: 18px;
  stroke: #FFFFFF;
  stroke-width: 2.75;
  transition: transform 0.2s ease;
}

.scroll-top-tab.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.scroll-top-tab.visible:hover {
  background: rgba(30, 41, 59, 0.98);
  color: #FFFFFF;
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 -4px 16px rgba(79, 70, 229, 0.35);
}

.scroll-top-tab.visible:hover svg {
  transform: translateY(-1px);
}

.scroll-top-tab:active {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float::before {
    animation: none;
  }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 992px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .card-finance, .card-outfits, .card-authority {
    grid-column: span 1;
  }
  .card-authority {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  .addons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }

  /* Prevent button white-space overflow */
  .btn {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.85rem;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .hero-highlights {
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
  }

  /* Bento Cards on tablet/mobile */
  .card-finance-layout {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
  }
  .card-finance-info {
    order: 1;
    grid-column: auto;
    grid-row: auto;
  }
  .card-finance-mockup {
    order: 2;
    grid-column: auto;
    grid-row: auto;
    margin: 0.5rem auto;
  }
  .card-finance-action {
    order: 3;
    grid-column: auto;
    grid-row: auto;
    width: 100%;
    margin-top: 0;
  }
  .card-finance-action .btn-googleplay {
    width: 100%;
    justify-content: center;
  }
  .mockup-phone {
    max-width: 210px;
    margin: 0 auto;
  }
  .bento-card {
    padding: 1.75rem 1.25rem;
  }
  .card-authority {
    padding: 1.75rem 1.25rem;
  }
  .card-authority > div:last-child {
    justify-content: stretch !important;
    width: 100%;
  }
  .card-authority .btn {
    width: 100%;
  }

  /* Pricing & Addons on tablet/mobile */
  .pricing-card {
    padding: 2rem 1.25rem;
  }
  .custom-addons-box {
    padding: 2rem 1.25rem;
  }
  .addons-footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 1rem;
  }
  .addons-footer .btn {
    width: 100%;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem 1.5rem;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .cta-banner {
    padding: 2.5rem 1.5rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .features-checkbox-grid {
    grid-template-columns: 1fr;
  }
  .contact-wrapper {
    padding: 2rem 1.25rem;
  }
  .contact-alternatives {
    flex-direction: column;
    align-items: stretch;
  }
  .contact-alt-buttons {
    flex-direction: column;
    width: 100%;
  }
  .contact-alt-buttons .btn {
    width: 100%;
  }
  .whatsapp-float-tooltip {
    display: none;
  }
}

@media (max-width: 640px) {
  .addons-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .section {
    padding: 3.5rem 0;
  }
  .hero-title {
    font-size: 2.15rem;
  }
  .bento-card {
    padding: 1.5rem 1rem;
  }
  .product-preview {
    height: 230px;
  }
  .preview-browser-wrap {
    padding: 0.75rem 0.5rem;
  }
  .mockup-browser {
    max-width: 100%;
  }
  .mockup-phone {
    max-width: 185px;
  }
  .btn-googleplay, .btn-webapp {
    width: 100%;
    justify-content: center;
  }
  .custom-addons-box {
    padding: 1.5rem 1rem;
  }
  .contact-wrapper {
    padding: 1.5rem 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1rem;
  }
  .footer-title {
    font-size: 0.825rem;
    margin-bottom: 0.75rem;
  }
  .footer-links a {
    font-size: 0.825rem;
  }
  .whatsapp-float {
    bottom: calc(2.6rem + env(safe-area-inset-bottom, 0px));
    right: calc(1.25rem + env(safe-area-inset-right, 0px));
    width: 50px;
    height: 50px;
  }
  .whatsapp-float svg {
    width: 27px;
    height: 27px;
  }
  .scroll-top-tab {
    bottom: env(safe-area-inset-bottom, 0px);
    right: calc(1.25rem + 2px + env(safe-area-inset-right, 0px));
    width: 46px;
    height: 26px;
    border-radius: 8px 8px 0 0;
  }
  .scroll-top-tab svg {
    width: 15px;
    height: 15px;
    stroke: #FFFFFF;
    stroke-width: 2.75;
  }
}