/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: var(--line-height-normal);
  overflow-x: hidden;
}

main {
  flex: 1;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  line-height: var(--line-height-normal);
}

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

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

button {
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

select {
  font-family: var(--font-primary);
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  background-color: var(--color-surface);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm), 0 3px 15px rgba(200,16,46,0.2);
  display: block;
  width: fit-content;
  margin: 0 auto var(--space-xl);
  position: relative;
  letter-spacing: 0.02em;
  border-bottom: 3px solid var(--color-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.divider {
  width: 100%;
  height: 2px;
  background: var(--color-header-bg);
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Lazy loaded images */
img[data-src] {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

img.lazy-loaded {
  opacity: 1;
}

/* Selection highlight */
::selection {
  background: rgba(200, 16, 46, 0.3);
  color: #ffffff;
}