@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
@import './tokens.css';

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-body);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-4);
}

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

a:hover,
a:focus {
  color: var(--color-accent-start);
  outline: 2px solid var(--color-accent-start);
  outline-offset: 2px;
}

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

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

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

picture {
  display: block;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

/* Form Elements */
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-text-heading);
  color: var(--color-bg-secondary);
  padding: var(--spacing-2) var(--spacing-4);
  z-index: var(--z-tooltip);
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

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

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-cols-12 {
  grid-template-columns: repeat(12, 1fr);
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .grid-cols-12 {
    grid-template-columns: 1fr;
  }
}

/* Sections */
section {
  padding: var(--spacing-16) 0;
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-12) 0;
  }
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent-mid);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Selection */
::selection {
  background-color: var(--color-accent-start);
  color: var(--color-text-heading);
}