/* =============================================================================
   QUACK.MONEY MARKETING SITE STYLESHEET
   Design System + Components + Pages
   ============================================================================= */

/* =============================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================================= */

:root {
  /* Duck Yellow Family */
  --duck-yellow-bright: #F7DF38;
  --duck-yellow-gold: #F2CD0B;
  --duck-yellow-warm: #F5E234;
  --duck-yellow-pale: #FEF9E3;
  --duck-yellow-cream: #FFFDF5;

  /* Duck Orange */
  --duck-orange: #F9960E;
  --duck-orange-dark: #E8850A;
  --duck-orange-glow: #FFAB40;

  /* Warm Grays */
  --neutral-900: #1A1814;
  --neutral-800: #2D2A25;
  --neutral-700: #47433B;
  --neutral-600: #6B6559;
  --neutral-400: #A39D8F;
  --neutral-200: #E8E4DA;
  --neutral-100: #F5F3ED;
  --neutral-50: #FAFAF7;
  --white: #FFFFFF;
  --black: #000000;

  /* Semantic Colors */
  --success: #22C55E;
  --success-soft: #DCFCE7;
  --error: #EF4444;
  --error-soft: #FEE2E2;
  --info: #3B82F6;
  --info-soft: #DBEAFE;

  /* Typography */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

  /* Type Scale */
  --text-display: 4.5rem;
  --text-h1: 3.5rem;
  --text-h2: 2.5rem;
  --text-h3: 1.75rem;
  --text-h4: 1.25rem;
  --text-lg: 1.25rem;
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-xs: 0.75rem;

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 500ms;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-orange: 0 4px 14px rgba(249, 150, 14, 0.25);
  --shadow-orange-lg: 0 8px 24px rgba(249, 150, 14, 0.3);
  --shadow-yellow: 0 20px 40px rgba(242, 205, 11, 0.1);
}

/* =============================================================================
   2. CSS RESET & BASE
   ============================================================================= */

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--neutral-800);
  background: var(--duck-yellow-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

ul, ol {
  list-style: none;
}

/* =============================================================================
   3. TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--neutral-900);
}

h1 { font-size: var(--text-h1); letter-spacing: -0.02em; }
h2 { font-size: var(--text-h2); letter-spacing: -0.01em; }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p {
  color: var(--neutral-700);
}

.text-lg {
  font-size: var(--text-lg);
}

.text-sm {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

.brand-quack {
  color: var(--neutral-900);
}

.brand-money {
  color: var(--duck-yellow-gold);
}

/* =============================================================================
   4. LAYOUT
   ============================================================================= */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }

.section {
  padding: var(--space-20) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

/* =============================================================================
   5. NAVIGATION
   ============================================================================= */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(255, 253, 245, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-slow) ease;
}

.nav.scrolled {
  border-bottom-color: var(--neutral-200);
  background: rgba(255, 253, 245, 0.95);
}

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

.nav-logo {
  height: 40px;
}

.nav-logo img {
  height: 100%;
  width: auto;
}

.nav-links {
  display: none;
  gap: var(--space-8);
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--neutral-700);
  transition: color var(--duration-base) ease;
}

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

.nav-link.active {
  color: var(--duck-orange);
}

.nav-cta {
  display: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--neutral-800);
  border-radius: 2px;
  transition: all var(--duration-base) ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--duck-yellow-cream);
  padding: var(--space-8) var(--space-6);
  z-index: 99;
}

.nav-mobile.active {
  display: block;
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.nav-mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--neutral-800);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: block;
  }

  .nav-toggle {
    display: none;
  }
}

/* =============================================================================
   6. BUTTONS
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out-back);
  text-decoration: none;
}

.btn-primary {
  background: var(--duck-orange);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: var(--duck-orange-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange-lg);
}

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

.btn-secondary {
  background: transparent;
  color: var(--neutral-800);
  border: 2px solid var(--neutral-200);
}

.btn-secondary:hover {
  border-color: var(--duck-yellow-gold);
  background: var(--duck-yellow-pale);
}

.btn-ghost {
  background: transparent;
  color: var(--duck-orange);
  padding: var(--space-3) var(--space-4);
}

.btn-ghost:hover {
  color: var(--duck-orange-dark);
}

.btn-sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* =============================================================================
   7. CARDS
   ============================================================================= */

.card {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-8);
  border: 1px solid var(--neutral-200);
  transition: all var(--duration-slow) ease;
}

.card:hover {
  border-color: var(--duck-yellow-gold);
  box-shadow: var(--shadow-yellow);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--duck-yellow-pale);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--duck-orange);
}

.card-title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
}

.card-text {
  color: var(--neutral-600);
  line-height: var(--leading-normal);
}

/* Pricing Card */
.card-pricing {
  background: var(--white);
  border-radius: 24px;
  padding: var(--space-10);
  border: 2px solid var(--neutral-200);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.card-pricing.featured {
  border-color: var(--duck-orange);
  box-shadow: 0 24px 48px rgba(249, 150, 14, 0.15);
}

.card-pricing.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 24px;
  right: -32px;
  background: var(--duck-orange);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-10);
  transform: rotate(45deg);
}

.pricing-tier {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--duck-orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.pricing-amount {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1;
}

.pricing-amount span {
  font-size: var(--text-h3);
  color: var(--neutral-600);
}

.pricing-period {
  color: var(--neutral-600);
  margin-bottom: var(--space-8);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--neutral-700);
}

.pricing-feature svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

/* =============================================================================
   8. HERO SECTION
   ============================================================================= */

.hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  background: #FDFCF3;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, var(--text-display));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--neutral-900);
  margin-bottom: var(--space-6);
}

.hero-title .highlight {
  color: var(--duck-yellow-gold);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--neutral-700);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

.hero-badge svg {
  width: 18px;
  height: 18px;
  color: var(--success);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.duck-mascot {
  width: 100%;
  max-width: 400px;
  animation: duckBob 3s ease-in-out infinite;
}

@keyframes duckBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(2deg); }
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    padding-top: calc(72px + var(--space-24));
    padding-bottom: var(--space-24);
  }
}

/* =============================================================================
   9. SOCIAL PROOF
   ============================================================================= */

.social-proof {
  background: var(--white);
  border-top: 1px solid var(--neutral-200);
  border-bottom: 1px solid var(--neutral-200);
  padding: var(--space-12) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-8);
  text-align: center;
}

.stat-item {
  padding: var(--space-4);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

/* =============================================================================
   10. FEATURES SECTION
   ============================================================================= */

.features {
  background: var(--neutral-50);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--neutral-600);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

/* =============================================================================
   11. HOW IT WORKS
   ============================================================================= */

.how-it-works {
  background: var(--duck-yellow-cream);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  position: relative;
}

.step {
  text-align: center;
  padding: var(--space-8);
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--duck-yellow-bright);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--neutral-900);
  margin: 0 auto var(--space-6);
}

.step-title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
}

.step-text {
  color: var(--neutral-600);
}

/* =============================================================================
   12. PIPELINE DEMO
   ============================================================================= */

.pipeline-demo {
  background: var(--neutral-900);
  color: var(--white);
  overflow: hidden;
}

.pipeline-demo .section-header h2 {
  color: var(--white);
}

.pipeline-demo .section-header p {
  color: var(--neutral-400);
}

.pipeline-visual {
  background: var(--neutral-800);
  border-radius: 24px;
  padding: var(--space-8);
  overflow-x: auto;
}

.pipeline-flow {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: max-content;
  padding: var(--space-4);
}

.pipeline-node {
  background: var(--neutral-700);
  border: 2px solid var(--neutral-600);
  border-radius: 16px;
  padding: var(--space-5) var(--space-6);
  min-width: 180px;
  text-align: center;
  transition: all var(--duration-base) ease;
}

.pipeline-node:hover {
  border-color: var(--duck-yellow-gold);
  background: var(--neutral-600);
}

.pipeline-node-icon {
  width: 40px;
  height: 40px;
  background: var(--duck-yellow-pale);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
}

.pipeline-node-icon svg {
  width: 20px;
  height: 20px;
  color: var(--duck-orange);
}

.pipeline-node-title {
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.pipeline-node-subtitle {
  font-size: var(--text-xs);
  color: var(--neutral-400);
}

.pipeline-arrow {
  color: var(--duck-yellow-gold);
  font-size: 24px;
  flex-shrink: 0;
}

/* =============================================================================
   13. PRICING SECTION
   ============================================================================= */

.pricing {
  background: var(--neutral-50);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

/* =============================================================================
   14. TESTIMONIALS
   ============================================================================= */

.testimonials {
  background: var(--duck-yellow-cream);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.testimonial {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-8);
  border: 1px solid var(--neutral-200);
  position: relative;
}

.testimonial::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--duck-yellow-bright);
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  line-height: 1;
  opacity: 0.5;
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--neutral-800);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--duck-yellow-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--duck-orange);
}

.testimonial-info h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.testimonial-info p {
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

/* =============================================================================
   15. CTA BANNER
   ============================================================================= */

.cta-banner {
  background: var(--duck-orange);
  color: var(--white);
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--duck-orange);
}

.cta-banner .btn-primary:hover {
  background: var(--neutral-100);
  transform: translateY(-2px);
}

/* =============================================================================
   16. FOOTER
   ============================================================================= */

.footer {
  background: var(--neutral-900);
  color: var(--neutral-400);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  height: 40px;
  margin-bottom: var(--space-6);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer-nav h4 {
  color: var(--white);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--neutral-400);
  transition: color var(--duration-base) ease;
}

.footer-link:hover {
  color: var(--duck-yellow-bright);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--neutral-800);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

.footer-copyright {
  font-size: var(--text-sm);
}

.footer-socials {
  display: flex;
  gap: var(--space-4);
}

.footer-social {
  width: 40px;
  height: 40px;
  background: var(--neutral-800);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-base) ease;
}

.footer-social:hover {
  background: var(--duck-yellow-gold);
  color: var(--neutral-900);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* =============================================================================
   17. PAGE HEADERS
   ============================================================================= */

.page-header {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(247, 223, 56, 0.12) 0%, transparent 50%),
    var(--duck-yellow-cream);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-4);
}

.page-header p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================================================
   18. FORMS
   ============================================================================= */

.input {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--neutral-200);
  border-radius: 12px;
  background: var(--white);
  color: var(--neutral-900);
  width: 100%;
  transition: border-color var(--duration-base) ease, box-shadow var(--duration-base) ease;
}

.input:focus {
  outline: none;
  border-color: var(--duck-yellow-gold);
  box-shadow: 0 0 0 4px rgba(242, 205, 11, 0.15);
}

.input::placeholder {
  color: var(--neutral-400);
}

.email-signup {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 480px;
  margin: 0 auto;
}

.email-signup-inline {
  display: flex;
  gap: var(--space-3);
  background: var(--white);
  padding: var(--space-2);
  border-radius: 16px;
  border: 2px solid var(--neutral-200);
}

.email-signup-inline:focus-within {
  border-color: var(--duck-yellow-gold);
}

.email-signup-inline input {
  flex: 1;
  border: none;
  padding: var(--space-3) var(--space-4);
  background: transparent;
}

.email-signup-inline input:focus {
  outline: none;
  box-shadow: none;
}

@media (min-width: 640px) {
  .email-signup {
    flex-direction: row;
  }

  .email-signup .input {
    flex: 1;
  }
}

/* =============================================================================
   19. FEATURE PAGE
   ============================================================================= */

.feature-detail {
  display: grid;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--neutral-200);
}

.feature-detail:last-child {
  border-bottom: none;
}

.feature-detail:nth-child(even) .feature-content {
  order: 2;
}

.feature-content h3 {
  font-size: var(--text-h2);
  margin-bottom: var(--space-4);
}

.feature-content p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
}

.feature-content ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-content li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--neutral-700);
}

.feature-content li svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-visual img {
  width: 100%;
  height: auto;
  border-radius: 24px;
}

@media (min-width: 1024px) {
  .feature-detail {
    grid-template-columns: 1fr 1fr;
  }
}

/* =============================================================================
   20. DOWNLOAD PAGE
   ============================================================================= */

.download-coming-soon {
  text-align: center;
  padding: var(--space-16) 0;
}

.download-coming-soon .duck-mascot {
  max-width: 200px;
  margin: 0 auto var(--space-8);
}

.download-coming-soon h2 {
  margin-bottom: var(--space-4);
}

.download-coming-soon p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.platform-badge {
  background: var(--neutral-100);
  border: 2px solid var(--neutral-200);
  border-radius: 16px;
  padding: var(--space-6) var(--space-8);
  text-align: center;
  opacity: 0.6;
  min-width: 160px;
}

.platform-badge svg {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-3);
  color: var(--neutral-600);
}

.platform-badge p {
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: var(--space-1);
}

.platform-badge span {
  font-size: var(--text-xs);
  color: var(--neutral-500);
}

/* =============================================================================
   21. ABOUT PAGE
   ============================================================================= */

.about-mission {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-mission p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.value-card {
  text-align: center;
  padding: var(--space-8);
}

.value-icon {
  width: 80px;
  height: 80px;
  background: var(--duck-yellow-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
}

.value-icon svg {
  width: 40px;
  height: 40px;
  color: var(--duck-orange);
}

.value-card h3 {
  margin-bottom: var(--space-3);
}

/* =============================================================================
   22. LEGAL PAGES
   ============================================================================= */

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-16) 0;
}

.legal-content h2 {
  font-size: var(--text-h3);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin-bottom: var(--space-4);
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  list-style: disc;
  margin-bottom: var(--space-2);
  color: var(--neutral-700);
}

.legal-content a {
  color: var(--duck-orange);
  text-decoration: underline;
}

.legal-content a:hover {
  color: var(--duck-orange-dark);
}

/* =============================================================================
   23. 404 PAGE
   ============================================================================= */

.error-page {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.error-content {
  max-width: 500px;
}

.error-duck {
  max-width: 200px;
  margin: 0 auto var(--space-8);
  opacity: 0.8;
}

.error-code {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--duck-yellow-gold);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.error-content h1 {
  margin-bottom: var(--space-4);
}

.error-content p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

/* =============================================================================
   24. FAQ SECTION
   ============================================================================= */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--neutral-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--neutral-900);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--neutral-600);
  transition: transform var(--duration-base) ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-bottom: var(--space-6);
}

/* =============================================================================
   25. ANIMATIONS
   ============================================================================= */

.fade-slide-up {
  animation: fadeSlideUp 0.6s var(--ease-out-expo) both;
}

.fade-slide-up-delay-1 { animation-delay: 0.1s; }
.fade-slide-up-delay-2 { animation-delay: 0.2s; }
.fade-slide-up-delay-3 { animation-delay: 0.3s; }
.fade-slide-up-delay-4 { animation-delay: 0.4s; }

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--duration-slower) var(--ease-out-expo),
              transform var(--duration-slower) var(--ease-out-expo);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal-stagger].visible > *:nth-child(1) { transition-delay: 0.1s; }
[data-reveal-stagger].visible > *:nth-child(2) { transition-delay: 0.15s; }
[data-reveal-stagger].visible > *:nth-child(3) { transition-delay: 0.2s; }
[data-reveal-stagger].visible > *:nth-child(4) { transition-delay: 0.25s; }
[data-reveal-stagger].visible > *:nth-child(5) { transition-delay: 0.3s; }
[data-reveal-stagger].visible > *:nth-child(6) { transition-delay: 0.35s; }

[data-reveal-stagger].visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================================
   26. ACCESSIBILITY
   ============================================================================= */

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--duck-orange);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  transition: top var(--duration-base) ease;
}

.skip-link:focus {
  top: 0;
}

/* Focus states */
:focus-visible {
  outline: 3px solid var(--duck-yellow-gold);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* =============================================================================
   27. UTILITIES
   ============================================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mx-auto { margin-left: auto; margin-right: auto; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }

.hidden { display: none; }

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
}

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
}