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

:root {
  /* Ultra-Premium SaaS Theme */
  --bg-base: #ffffff;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f8fafc;
  --bg-border: #e2e8f0;
  --bg-border-hover: #cbd5e1;

  --text-primary: #1a202c; 
  --text-secondary: #718096;
  --text-tertiary: #a0aec0;

  --accent-color: #0066ff;
  --accent-blue: #0066ff;
  --accent-purple: #7928ca;
  --accent-pink: #ff0080;

  --gradient-glow: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --nav-height: 72px;
  --max-width: 1200px;
}

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

html, body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrapper {
  padding-top: var(--nav-height);
  min-height: calc(100vh - 200px);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

/* --- Components --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--bg-border-hover);
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--bg-border-hover);
}

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-8 { margin-top: 64px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.mb-8 { margin-bottom: 64px; }

/* Subtle Radial Background (SaaS style) */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: radial-gradient(circle at 50% 0%, #f0f7ff 0%, #ffffff 70%);
  z-index: -1;
  pointer-events: none;
}