* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Modern vibrant color palette */
  --primary-color: #6366f1; /* Indigo */
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #ec4899; /* Pink */
  --secondary-dark: #db2777;
  --accent-color: #8b5cf6; /* Purple */
  --accent-light: #a78bfa;

  /* Text colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-light: #64748b;
  --text-inverse: #ffffff;

  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #0f172a;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-hero: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 50%,
    #f093fb 100%
  );
  --gradient-glow: radial-gradient(
    circle at 50% 50%,
    rgba(99, 102, 241, 0.1) 0%,
    transparent 70%
  );

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --shadow-glow-pink: 0 0 40px rgba(236, 72, 153, 0.3);

  /* Other */
  --border-radius: 16px;
  --border-radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Animated background gradient */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(99, 102, 241, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(236, 72, 153, 0.05) 0%,
      transparent 50%
    );
  z-index: -1;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1.2;
  animation: fadeInUp 0.8s ease-out;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 64px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-weight: 400;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Header */
header {
  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

header.scrolled {
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

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

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  position: relative;
  transition: var(--transition);
  padding: 8px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

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

.logo {
  font-size: 1.75rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn {
  padding: 12px 28px;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  text-decoration: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 140px;
  height: 44px;
  letter-spacing: -0.01em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* Hero Section */
.hero {
  padding: 160px 0 120px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(60px);
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(236, 72, 153, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(60px);
  animation: float 25s ease-in-out infinite reverse;
}

@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-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

h1 {
  font-size: 5rem;
  font-weight: 900;
  margin-bottom: 32px;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.04em;
  animation: fadeInUp 1s ease-out;
}

.hero-highlight {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%,
  100% {
    filter: brightness(1) saturate(1);
  }
  50% {
    filter: brightness(1.2) saturate(1.3);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .subtitle {
  font-size: 1.375rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 540px;
  font-weight: 400;
  line-height: 1.7;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-hero {
  padding: 18px 40px;
  font-size: 17px;
  font-weight: 700;
  min-width: 180px;
  height: 60px;
  border-radius: 16px;
  background: var(--gradient-primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-hero::after {
  content: "→";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: var(--transition);
}

.btn-hero:hover::after {
  opacity: 1;
  right: 24px;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

/* Hero Video */
.hero-video {
  position: relative;
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--bg-tertiary);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: fadeInRight 1s ease-out 0.6s both;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-video::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.hero-video::after {
  content: "";
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.hero-video:hover::after {
  opacity: 0.5;
}

.hero-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Features Section */
.features-section {
  padding: 120px 0;
  position: relative;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.feature-item {
  text-align: center;
  padding: 48px 32px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
  font-size: 4rem;
  margin-bottom: 24px;
  display: inline-block;
  filter: grayscale(0.5);
  transition: var(--transition);
  background: var(--gradient-glow);
  padding: 20px;
  border-radius: 50%;
}

.feature-item:hover .feature-icon {
  filter: grayscale(0);
  transform: scale(1.1) rotate(5deg);
}

.feature-item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  transition: var(--transition);
}

.feature-item:hover h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.how-it-works::before {
  content: "";
  position: absolute;
  top: 20%;
  right: -200px;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(139, 92, 246, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(80px);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 64px;
  position: relative;
  z-index: 1;
}

.steps-grid::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color),
    var(--accent-color)
  );
  z-index: -1;
  opacity: 0.3;
}

.step-item {
  text-align: center;
  padding: 40px 28px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition);
  position: relative;
}

.step-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
  transition: var(--transition);
  position: relative;
}

.step-number::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.step-item:hover .step-number {
  transform: scale(1.15);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.5);
}

.step-item:hover .step-number::before {
  opacity: 0.3;
}

.step-item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  transition: var(--transition);
}

.step-item:hover h3 {
  color: var(--primary-color);
}

.step-item p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* Use Cases Section */
.use-cases {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 64px;
  position: relative;
  z-index: 1;
}

.use-case-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  padding: 48px 40px;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.use-case-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.use-case-item:hover::before {
  opacity: 0.03;
}

.use-case-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.use-case-item h3 {
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  transition: var(--transition);
}

.use-case-item:hover h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.use-case-item > p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.use-case-benefits {
  list-style: none;
  padding: 0;
}

.use-case-benefits li {
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 12px;
  padding-left: 32px;
  position: relative;
  font-weight: 500;
  transition: var(--transition);
}

.use-case-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.use-case-item:hover .use-case-benefits li {
  transform: translateX(4px);
}

/* Pricing Section */
.pricing {
  padding: 120px 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(236, 72, 153, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(80px);
}

.pricing-content {
  max-width: 800px;
  margin: 64px auto 0;
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  padding: 64px 48px;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  position: relative;
  z-index: 1;
  transition: var(--transition);
  overflow: hidden;
}

.pricing-content::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pricing-content:hover::before {
  opacity: 0.1;
}

.pricing-content:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(99, 102, 241, 0.2);
}

.pricing-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

/* FAQ Section */
.faq {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

.faq-grid {
  max-width: 1000px;
  margin: 64px auto 0;
  position: relative;
  z-index: 1;
}

.faq-item {
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  border: 1px solid rgba(99, 102, 241, 0.1);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.faq-item:hover::before {
  transform: scaleY(1);
}

.faq-item:hover {
  transform: translateX(8px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

.faq-question {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  transition: var(--transition);
}

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

.faq-answer {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.8;
}

/* Bottom CTA */
.bottom-cta {
  padding: 120px 0;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.bottom-cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(100px);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.8;
  }
}

.bottom-cta .container {
  position: relative;
  z-index: 1;
}

.bottom-cta h2 {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 24px;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.bottom-cta p {
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.7;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.bottom-cta .cta-buttons {
  justify-content: center;
}

/* Footer */
footer {
  padding: 48px 0;
  background: var(--bg-dark);
  color: var(--text-inverse);
  border-top: 1px solid rgba(99, 102, 241, 0.2);
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.5;
}

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

.footer-copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--text-inverse);
  background: rgba(99, 102, 241, 0.2);
}

.footer-links .separator {
  color: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .steps-grid::before {
    display: none;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  h1 {
    font-size: 4rem;
    text-align: center;
  }

  .hero .subtitle {
    text-align: center;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-buttons {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  header {
    padding: 16px 0;
  }

  .nav-links {
    display: none;
  }

  .logo {
    font-size: 1.5rem;
  }

  .hero {
    padding: 120px 0 80px;
  }

  h1 {
    font-size: 3rem;
    margin-bottom: 24px;
  }

  .hero .subtitle {
    font-size: 1.125rem;
  }

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

  .section-subtitle {
    font-size: 1.0625rem;
    margin-bottom: 48px;
  }

  .btn {
    padding: 12px 24px;
    min-width: 120px;
    height: 44px;
    font-size: 14px;
  }

  .btn-hero {
    padding: 16px 32px;
    font-size: 16px;
    min-width: 160px;
    height: 56px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .features-section,
  .how-it-works,
  .use-cases,
  .pricing,
  .faq,
  .bottom-cta {
    padding: 80px 0;
  }

  .feature-item,
  .step-item,
  .use-case-item {
    padding: 32px 24px;
  }

  .pricing-content {
    padding: 48px 24px;
  }

  .faq-item {
    padding: 24px;
  }

  .bottom-cta h2 {
    font-size: 2.5rem;
  }

  .bottom-cta p {
    font-size: 1.125rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.25rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .bottom-cta h2 {
    font-size: 2rem;
  }

  .bottom-cta p {
    font-size: 1rem;
  }

  .btn-hero {
    padding: 14px 28px;
    font-size: 15px;
    height: 52px;
  }
}

/* Utility animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Selection styling */
::selection {
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-primary);
}

/* Focus visible for accessibility */
*:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}