/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warm-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

  --primary-color: #667eea;
  --secondary-color: #f5576c;
  --accent-color: #00f2fe;

  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-light: #718096;

  --bg-primary: #ffffff;
  --bg-secondary: #f7fafc;
  --bg-dark: #1a202c;

  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-base);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  font-size: 2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-base);
}

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

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

.nav-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  top: 100px;
  right: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  bottom: -100px;
  left: 50%;
  animation-delay: 10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

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

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stats {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Hero Image */
.hero-image {
  position: relative;
  animation: fadeInRight 1s ease-out;
}

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

.hero-illustration {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

.floating-card {
  position: absolute;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: floatCard 3s ease-in-out infinite;
}

.card-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.card-2 {
  top: 50%;
  right: -10%;
  animation-delay: 1s;
}

.card-3 {
  bottom: 10%;
  left: 0;
  animation-delay: 2s;
}

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

.card-emoji {
  font-size: 2rem;
}

.card-title {
  font-weight: 600;
  color: var(--text-primary);
}

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

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.feature-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(102, 126, 234, 0.2);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.1) 0%,
    rgba(118, 75, 162, 0.1) 100%
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-3xl) 0;
}

.steps-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.step {
  flex: 1;
  max-width: 300px;
  text-align: center;
  padding: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-base);
}

.step:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.step-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color) 0%, transparent 100%);
  position: relative;
}

.step-connector::after {
  content: "→";
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  font-size: 1.5rem;
}

/* App Preview Section */
.app-preview {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.app-preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.feature-list {
  list-style: none;
  margin: var(--spacing-xl) 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.download-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.store-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  background: var(--text-primary);
  color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
}

.store-button:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.store-text {
  font-size: 0.75rem;
  opacity: 0.8;
}

.store-name {
  font-size: 1.125rem;
  font-weight: 700;
}

.app-preview-image {
  position: relative;
}

.app-mockup {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

/* CTA Section */
.cta {
  position: relative;
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
}

.cta-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.orb-4 {
  width: 600px;
  height: 600px;
  background: rgba(255, 255, 255, 0.1);
  top: -300px;
  right: -200px;
}

.orb-5 {
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.1);
  bottom: -250px;
  left: -150px;
}

.cta-content {
  text-align: center;
  color: white;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.cta-actions {
  margin-bottom: var(--spacing-lg);
}

.cta-actions .btn-primary {
  background: white;
  color: var(--primary-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-actions .btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

.cta-note {
  font-size: 1rem;
  opacity: 0.9;
}

.cta-note strong {
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content,
  .app-preview-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .hero-image {
    order: -1;
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .step-connector {
    display: none;
  }

  .stats {
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
  }

  .download-buttons {
    flex-direction: column;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .cta-title {
    font-size: 2rem;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background: var(--primary-color);
  color: white;
}