@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #A78BFA;
  --accent: #38BDF8;
  --success: #10b981;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F4FA;
  --bg-tertiary: #EEE9FF;
  --bg-card: #FFFFFF;
  --text-primary: #1A1726;
  --text-secondary: #6B6B80;
  --text-muted: #6B6B80;
  --border: #E2E8F0;
  --dark-bg: #0F0D1A;
  --dark-card: #1A1726;
  --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #A78BFA 100%);
  --gradient-bg: linear-gradient(180deg, #F5F4FA 0%, #FFFFFF 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 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(108, 92, 231, 0.15), 0 4px 6px -2px rgba(108, 92, 231, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(108, 92, 231, 0.2), 0 10px 10px -5px rgba(108, 92, 231, 0.1);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.35), 
              0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  border: none;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-primary:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.45),
              0 0 40px rgba(108, 92, 231, 0.15),
              0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}

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

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-dark);
}

.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 14px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  background: var(--bg-tertiary);
  color: var(--primary);
  border: none;
}

.badge-primary {
  background: rgba(108, 92, 231, 0.1);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }

.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

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