/* ========================================
   BASE STYLES - CSS Variables, Reset, Typography
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Colors */
  --bg: #FDFBD4;
  --accent: #e13661;
  --header-text: #ff5f1b;
  --text: #2d4a5a;
  --muted: #6b8a99;
  --line: rgba(45, 74, 90, 0.12);
  --white: #ffffff;
  --tile-bg: linear-gradient(135deg, rgba(253, 251, 212, 0.6) 0%, rgba(253, 251, 212, 0.4) 100%);
  --shadow: rgba(45, 74, 90, 0.08);
  --shadow-hover: rgba(45, 74, 90, 0.15);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: clamp(0.5rem, 0.5vw + 0.25rem, 0.75rem);
  --space-sm: clamp(0.75rem, 1vw + 0.5rem, 1.25rem);
  --space-md: clamp(1rem, 2vw + 0.5rem, 2rem);
  --space-lg: clamp(2.5rem, 3vw + 1.5rem, 4rem);
  --space-xl: clamp(4rem, 5vw + 2rem, 6rem);
  
  /* Typography Scale */
  --text-xs: clamp(0.75rem, 0.5vw + 0.625rem, 0.875rem);
  --text-sm: clamp(0.875rem, 0.75vw + 0.625rem, 1rem);
  --text-base: clamp(1rem, 1vw + 0.75rem, 1.125rem);
  --text-lg: clamp(1.125rem, 1.25vw + 0.875rem, 1.5rem);
  --text-xl: clamp(1.5rem, 2vw + 1.125rem, 2.25rem);
  --text-2xl: clamp(2rem, 3vw + 1.25rem, 3.5rem);
  
  /* Line Heights */
  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 300ms ease;
  
  /* Layout */
  --container-max: 1280px;
  --header-height: 72px;
  --grid-gap: clamp(0.75rem, 0.8vw + 0.4rem, 1rem);
}

/* Inter Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--leading-normal);
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--text-xl);
}

h3 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-sm);
  line-height: var(--leading-relaxed);
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Remove default button styles */
button, input, textarea, select {
  font: inherit;
}

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

/* Selection */
::selection {
  background-color: var(--accent);
  color: var(--white);
}

/* Links use accent color instead of text color on hover */
a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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