/* Base Styles - Reset and Global Elements */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-primary);
  color: var(--color-dark);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section */
section {
  padding: var(--spacing-xl) 0;
  position: relative;
  width: 100%;
  opacity: 1;
  visibility: visible;
  min-height: 400px;
}

section > .container {
  position: relative;
  z-index: 1;
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-light { background-color: var(--color-light-gray); }
.bg-primary { background-color: var(--color-primary); }

/* Responsive Typography */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }
}