/* ==========================================================================
   base.css - Reset and Typography Foundation
   ========================================================================== */

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

html {
  font-family: var(--font-family-sans);
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-regular);
  overflow-x: hidden;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.menu-open {
  overflow: hidden !important;
  height: 100vh !important;
  position: fixed !important;
  width: 100% !important;
}

/* Typography Elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-4);
}

h1 { font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-7xl)); }
h2 { font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl)); }
h3 { font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl)); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

/* Base Elements */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}