/**
 * Landing Page Styles - Alpha Finans Data
 * Corporate fintech landing page with modern animations and responsive design
 */

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.landing-hero {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl) var(--spacing-xl);
  overflow: hidden;
  background: var(--color-bg-primary);
}

/* Hero Background Gradient Glow */
.landing-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 1400px;
  height: 1400px;
  background: var(--gradient-hero-radial);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

/* Animated Floating Particles */
.landing-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle, var(--color-accent-primary) 1px, transparent 1px),
    radial-gradient(circle, var(--color-accent-secondary) 1px, transparent 1px);
  background-size: 50px 50px, 80px 80px;
  background-position: 0 0, 40px 40px;
  opacity: 0.15;
  animation: particle-float 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent-glow);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent-primary);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-glow);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: glow-pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-title .gradient-text {
  background: var(--gradient-accent);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-cta .btn {
  min-width: 180px;
  font-size: var(--font-size-lg);
  padding: var(--spacing-md) var(--spacing-xl);
}

.hero-visual {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  opacity: 0.3;
  z-index: -1;
  animation: glow-pulse 3s ease-in-out infinite;
}

.hero-visual img,
.hero-visual .mockup-placeholder {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.mockup-placeholder {
  aspect-ratio: 16/9;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* ============================================================================
   TRUSTED BY / LOGOS SECTION
   ============================================================================ */

.landing-logos {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-bg-tertiary);
}

.logos-container {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.logos-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xl);
}

.logos-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3xl);
  flex-wrap: wrap;
}

.logo-item {
  opacity: 0.5;
  filter: grayscale(100%);
  transition: var(--transition-normal);
  max-height: 40px;
}

.logo-item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.logo-item img {
  height: 40px;
  width: auto;
  display: block;
}

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */

.landing-features {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--color-bg-primary);
}

.features-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-accent-glow);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent-primary);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-glow);
}

.feature-icon svg,
.feature-icon i {
  font-size: 28px;
  color: var(--color-text-inverse);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

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

/* ============================================================================
   STATISTICS SECTION
   ============================================================================ */

.landing-stats {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--gradient-accent);
  position: relative;
  overflow: hidden;
}

.landing-stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
  pointer-events: none;
}

.stats-container {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

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

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
  animation: countUp 2s ease-out;
}

.stat-number::after {
  content: '+';
  margin-left: 4px;
  opacity: 0.8;
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-inverse-secondary);
  font-weight: 500;
}

/* ============================================================================
   PRODUCT SHOWCASE SECTION
   ============================================================================ */

.landing-showcase {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--color-bg-primary);
}

.showcase-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.showcase-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-4xl);
}

.showcase-item:last-child {
  margin-bottom: 0;
}

.showcase-item:nth-child(even) {
  flex-direction: row-reverse;
}

.showcase-text {
  flex: 1;
}

.showcase-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  color: var(--color-text-inverse);
  font-size: var(--font-size-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.showcase-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.showcase-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.showcase-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.showcase-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.showcase-features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.showcase-image {
  flex: 1;
  position: relative;
}

.showcase-image::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  opacity: 0.2;
  z-index: -1;
  filter: blur(20px);
}

.showcase-image img,
.showcase-image .image-placeholder {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: block;
}

.image-placeholder {
  aspect-ratio: 4/3;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

/* ============================================================================
   TESTIMONIALS SECTION
   ============================================================================ */

.landing-testimonials {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--color-bg-secondary);
}

.testimonials-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  font-size: 80px;
  font-family: serif;
  color: var(--color-accent-primary);
  opacity: 0.1;
  line-height: 1;
}

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

.testimonial-rating {
  display: flex;
  gap: 4px;
  margin-bottom: var(--spacing-md);
}

.testimonial-rating .star {
  width: 16px;
  height: 16px;
  color: var(--color-warning);
}

.testimonial-rating .star::before {
  content: '★';
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-bg-tertiary);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.testimonial-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================================================
   CTA SECTION
   ============================================================================ */

.landing-cta {
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--gradient-accent);
  position: relative;
  overflow: hidden;
}

.landing-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: particle-float 30s linear infinite;
  opacity: 0.5;
}

.cta-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-inverse-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.cta-buttons .btn {
  min-width: 180px;
  font-size: var(--font-size-lg);
  padding: var(--spacing-md) var(--spacing-xl);
}

.cta-buttons .btn-outline {
  background: var(--color-text-inverse);
  color: var(--color-accent-primary);
  border-color: var(--color-text-inverse);
}

.cta-buttons .btn-outline:hover {
  background: var(--color-text-inverse-secondary);
  border-color: var(--color-text-inverse-secondary);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.landing-footer {
  background: var(--color-bg-tertiary);
  padding-top: var(--spacing-4xl);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border-primary);
}

.footer-grid h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo-alpha {
  color: var(--color-accent-primary);
}

.footer-description {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  border: 1px solid var(--color-bg-tertiary);
}

.footer-social a:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-accent-primary);
  transform: translateX(4px);
}

/* Sosyal Medya Bolumu */
.footer-social-section {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border-primary);
  margin-top: var(--spacing-xl);
}

.footer-social-section h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.footer-social a {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  border: 1px solid var(--color-border-primary);
}

.footer-social a:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-telegram-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-telegram-links a {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  background: rgba(0, 136, 204, 0.1);
  color: #0088cc;
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid rgba(0, 136, 204, 0.2);
  transition: var(--transition-fast);
}

.footer-telegram-links a:hover {
  background: rgba(0, 136, 204, 0.2);
  border-color: #0088cc;
  transform: translateY(-2px);
}

/* App Store Butonlari */
.footer-app-stores {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border-primary);
}

.app-store-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
  min-width: 160px;
}

.app-store-btn:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.app-store-btn svg {
  flex-shrink: 0;
}

.app-store-label {
  display: block;
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1;
}

.app-store-name {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.3;
}

.footer-bottom {
  padding: var(--spacing-xl) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--color-border-primary);
}

.footer-copyright {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* ============================================================================
   ANIMATIONS & KEYFRAMES
   ============================================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: var(--shadow-glow-strong);
  }
}

@keyframes countUp {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes particle-float {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Scroll Animation Utility */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation delays for multiple elements */
.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Tablet & Large Mobile - 1024px */
@media (max-width: 1024px) {
  .landing-hero {
    min-height: calc(100vh - 70px);
    padding: var(--spacing-3xl) var(--spacing-lg);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

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

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
  }

  .showcase-item {
    gap: var(--spacing-2xl);
  }

  .showcase-title {
    font-size: var(--font-size-2xl);
  }
}

/* Mobile - 768px */
@media (max-width: 768px) {
  .landing-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-cta .btn {
    width: 100%;
    min-width: auto;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: var(--font-size-4xl);
  }

  .showcase-item {
    flex-direction: column !important;
    gap: var(--spacing-xl);
  }

  .showcase-text,
  .showcase-image {
    width: 100%;
  }

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

  .cta-title {
    font-size: var(--font-size-3xl);
  }

  .cta-subtitle {
    font-size: var(--font-size-base);
  }

  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .cta-buttons .btn {
    width: 100%;
  }

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

  .footer-grid .footer-about {
    grid-column: 1 / -1;
  }

  .footer-telegram-links {
    gap: var(--spacing-sm);
  }

  .footer-app-stores {
    flex-direction: column;
    align-items: center;
  }

  .app-store-btn {
    width: 200px;
    justify-content: center;
  }

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

  .footer-legal {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .logos-grid {
    gap: var(--spacing-xl);
  }
}

/* Small Mobile - 480px */
@media (max-width: 480px) {
  .landing-hero {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-2xs) var(--spacing-sm);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .feature-card {
    padding: var(--spacing-lg);
  }

  .feature-icon {
    width: 48px;
    height: 48px;
  }

  .feature-icon svg,
  .feature-icon i {
    font-size: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: var(--font-size-3xl);
  }

  .showcase-number {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-base);
  }

  .showcase-title {
    font-size: var(--font-size-xl);
  }

  .showcase-description {
    font-size: var(--font-size-base);
  }

  .testimonial-card {
    padding: var(--spacing-lg);
  }

  .cta-title {
    font-size: var(--font-size-2xl);
  }

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

  .landing-cta,
  .landing-stats,
  .landing-features,
  .landing-showcase,
  .landing-testimonials {
    padding: var(--spacing-2xl) var(--spacing-sm);
  }

  .logos-grid {
    gap: var(--spacing-md);
  }

  .logo-item img {
    height: 30px;
  }

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

  .footer-social a {
    width: 40px;
    height: 40px;
  }

  .footer-telegram-links a {
    font-size: var(--font-size-xs);
    padding: var(--spacing-2xs) var(--spacing-sm);
  }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

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

.floating {
  animation: float 3s ease-in-out infinite;
}

.glow {
  box-shadow: var(--shadow-glow);
}

.glow-strong {
  box-shadow: var(--shadow-glow-strong);
}

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

/* ============================================================================
   ADDITIONAL INTERACTIVE ELEMENTS
   ============================================================================ */

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease 1s forwards;
}

.scroll-indicator::after {
  content: '';
  width: 2px;
  height: 30px;
  background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
  animation: float 2s ease-in-out infinite;
}

/* Loading State for Images */
.image-placeholder {
  position: relative;
  overflow: hidden;
}

.image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Hover Effects for Links */
.hover-underline {
  position: relative;
  text-decoration: none;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-primary);
  transition: width var(--transition-normal);
}

.hover-underline:hover::after {
  width: 100%;
}

/* Badge Animations */
.badge-pulse {
  position: relative;
}

.badge-pulse::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 2px solid var(--color-accent-primary);
  opacity: 0;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
    transform: scale(1.2);
  }
}