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

:root {
  --primary: #0078D7;
  --secondary: #E6F0FA;
  --bg-color: #ffffff;
  --text-color: #171717;
  --text-muted: #555555;
  --white: #ffffff;
  --font-main: 'Poppins', sans-serif;
  --font-heading: 'Montserrat', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 20px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --grain-opacity: 0.03;
}

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

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

/* Subtle Sand/Grain Texture Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

a:hover {
  opacity: 0.8;
}

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

/* Bento Grid Layout */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 1.5rem;
  margin-top: 2rem;
}

.bento-item {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: var(--transition);
}

.bento-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 120, 215, 0.1);
}

.bento-item.large {
  grid-column: span 2;
  grid-row: span 2;
  background-color: var(--secondary);
}

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

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

/* Buttons and Accents */
.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  border: none;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  display: inline-block;
  text-align: center;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: #005bb7;
  transform: scale(1.02);
  box-shadow: 0 4px 15px rgba(0, 120, 215, 0.3);
  opacity: 1;
}

.highlight {
  color: var(--primary);
  font-weight: 600;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--secondary);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
}

/* Icons Style */
.icon {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  stroke-width: 1.5;
  fill: none;
  margin-bottom: 1rem;
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-item.large, .bento-item.wide, .bento-item.tall {
    grid-column: span 1;
    grid-row: span 1;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}

/* Utility classes */
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.bg-light { background-color: var(--secondary); }