/* ===================================
   Landing Page Styles
   =================================== */

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-sm) 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-mobile-btn {
  display: none;
  background: var(--bg-glass);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.25rem;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 14, 26, 0.97);
  z-index: var(--z-modal);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  animation: fadeIn 0.3s ease-out;
}

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

.mobile-nav .nav-link {
  font-size: 1.5rem;
  font-family: var(--font-display);
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: var(--bg-glass);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.25rem;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite reverse;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-400);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 4s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-full);
  padding: 0.5rem 1.25rem;
  margin-bottom: var(--space-xl);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-400);
  animation: fadeDown 0.6s ease-out;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-400);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s ease-out;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary-300), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  animation: fadeUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  animation: fadeUp 0.8s ease-out 0.4s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  animation: fadeUp 0.8s ease-out 0.6s both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 1s ease-out 0.5s both;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 450px;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.hero-card-main {
  position: relative;
  z-index: 3;
  animation: float 4s ease-in-out infinite;
}

.hero-card-bg-1 {
  position: absolute;
  top: 20px;
  right: -20px;
  width: 100%;
  opacity: 0.5;
  transform: rotate(3deg);
  z-index: 2;
}

.hero-card-bg-2 {
  position: absolute;
  top: 40px;
  right: -40px;
  width: 100%;
  opacity: 0.3;
  transform: rotate(6deg);
  z-index: 1;
}

.hero-mini-score {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.score-ball {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--bg-glass);
  border: 2px solid var(--border-default);
  transition: all var(--transition-base);
}

.score-ball.matched {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--primary-400);
  color: var(--primary-400);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

/* ===== How It Works ===== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-400);
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.step-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto var(--space-lg);
  position: relative;
}

.step-number.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-400);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.step-number.gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-400);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.step-number.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.step-number.pink {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.step-card h4 {
  margin-bottom: var(--space-sm);
}

.step-card p {
  font-size: 0.9rem;
}

.step-connector {
  display: none;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-2xl);
  cursor: default;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.feature-icon.green {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.feature-icon.gold {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.feature-card h4 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9rem;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--primary-400);
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.08), var(--bg-card));
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.pricing-popular {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
}

.pricing-plan {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

.pricing-price .currency {
  font-size: 1.5rem;
  vertical-align: top;
}

.pricing-price .period {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-savings {
  color: var(--primary-400);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  min-height: 1.5em;
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-feature .check {
  color: var(--primary-400);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== Charity Showcase ===== */
.charity-showcase {
  background: linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.03), transparent);
}

.charity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.charity-card {
  text-align: center;
  padding: var(--space-xl);
}

.charity-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
}

.charity-card h5 {
  margin-bottom: var(--space-xs);
}

.charity-card p {
  font-size: 0.8rem;
}

.charity-impact {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-default);
}

.charity-impact-value {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--primary-400);
  font-size: 1.25rem;
}

.charity-impact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== Impact Stats ===== */
.impact-section {
  padding: var(--space-4xl) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.impact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-400), transparent);
}

.impact-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-400), transparent);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.impact-item {
  padding: var(--space-xl);
}

.impact-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

.impact-value.green { color: var(--primary-400); }
.impact-value.gold { color: var(--accent-400); }
.impact-value.blue { color: var(--info); }
.impact-value.pink { color: #ec4899; }

.impact-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  padding: var(--space-xl);
}

.testimonial-stars {
  color: var(--accent-400);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  margin-bottom: var(--space-md);
}

.cta-desc {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* ===== Footer ===== */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-default);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-heading {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-400);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-default);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.footer-social {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  background: var(--primary-500);
  color: white;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero-text {
    max-width: 100%;
  }

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

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

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

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

  .nav-mobile-btn {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2.25rem, 8vw, 3.5rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-card-stack {
    max-width: 340px;
    margin: 0 auto;
  }

  .how-it-works-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .charity-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin: 0 auto;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .impact-value {
    font-size: 2.25rem;
  }
}