/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol, form, input, textarea, select {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
  font-size: var(--font-size-base, 16px);
  line-height: 1.6;
  color: var(--color-text, #333333);
  background-color: var(--color-white, #ffffff);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Base Typography Links etc */
a {
  color: var(--color-primary, #1a73e8);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

a:hover {
  color: var(--color-primary-dark, #1557b0);
}

img {
  max-width: 100%;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--breakpoint-xl, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md, 16px);
  padding-right: var(--space-md, 16px);
}

/* Section Patterns */
.section {
  padding: var(--space-xxl, 80px) 0;
}

.section-dark {
  background-color: var(--color-dark, #1a1a2e);
  color: var(--color-white, #ffffff);
}

.section-gray {
  background-color: var(--color-bg-section, #eef2f7);
}

/* Grid Utilities */
.grid {
  display: grid;
  gap: var(--space-lg, 24px);
}

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

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

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

.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg, 24px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family, sans-serif);
  font-size: var(--font-size-sm, 14px);
  font-weight: 600;
  padding: 12px var(--space-lg, 24px);
  border-radius: var(--border-radius-sm, 4px);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal, 0.3s ease);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary, #1a73e8);
  color: var(--color-white, #ffffff);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark, #1557b0);
  color: var(--color-white, #ffffff);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary, #1a73e8);
  color: var(--color-primary, #1a73e8);
}

.btn-outline:hover {
  background-color: var(--color-primary-light, #e8f0fe);
  color: var(--color-primary-dark, #1557b0);
  border-color: var(--color-primary-dark, #1557b0);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white, #ffffff);
  color: var(--color-primary, #1a73e8);
  border-color: var(--color-border, #e0e0e0);
}

.btn-white:hover {
  background-color: var(--color-primary-light, #e8f0fe);
  color: var(--color-primary-dark, #1557b0);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Media Queries for Responsive Grids and Typography */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  .grid-4,
  .grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  .section {
    padding: var(--space-xl, 48px) 0;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    width: 100%;
    padding-left: var(--space-md, 16px);
    padding-right: var(--space-md, 16px);
  }
  .grid-4,
  .grid-6,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}