@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #2563EB;
  --secondary: #0D9488;
  --bg-color: #ffffff;
  --text-color: #171717;
  --text-muted: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(231, 231, 231, 0.8);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --radius-lg: 24px;
  --radius-md: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: 3.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 80px 0;
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 1.5rem;
  margin-top: 3rem;
}

.bento-item {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.bento-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.1);
}

.bento-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-item.medium {
  grid-column: span 2;
  grid-row: span 1;
}

.bento-item.tall {
  grid-row: span 2;
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 0.95rem;
}

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

.btn-primary:hover {
  background-color: #1d4ed8;
  transform: scale(1.02);
}

.btn-secondary {
  background-color: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: #0f766e;
  transform: scale(1.02);
}

.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-color);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }

@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  h1 { font-size: 2.5rem; }
}

@media (max-width: 640px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .bento-item.large, .bento-item.medium, .bento-item.tall {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 200px;
  }
  section { padding: 40px 0; }
}