@import url('tokens.css');

/* Fonts via Google Fonts (Preloaded in head) */
@import url('https://fonts.googleapis.com/css2?family=Chivo:ital,wght@0,400;0,700;1,400&family=Space+Grotesk:wght@400;700&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-text);
  background-color: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  font-size: var(--text-base);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  margin-top: 0;
  margin-bottom: var(--spacing-3);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

a {
  color: var(--color-fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

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

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

/* Layout Utilities */
.grid { display: grid; }
.flex { display: flex; }
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }

/* Global Header */
.site-header {
  border-bottom: var(--border-thick);
  padding: var(--spacing-3) 0;
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--spacing-4);
}

.site-nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
}

.site-nav a.active {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

/* Global Footer */
.site-footer {
  border-top: var(--border-thick);
  padding: var(--spacing-8) 0;
  background-color: var(--color-fg);
  color: var(--color-bg);
  margin-top: var(--spacing-16);
}

.site-footer a {
  color: var(--color-bg);
}

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

/* Asymmetric / Editorial Utilities */
.section {
  padding: var(--spacing-12) 0;
}

.section-alt {
  background-color: var(--color-surface);
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
}

.grid-editorial {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-4);
}

.grid-editorial > * {
  grid-column: span 12;
}

@media (min-width: 768px) {
  .grid-editorial .span-4 { grid-column: span 4; }
  .grid-editorial .span-6 { grid-column: span 6; }
  .grid-editorial .span-8 { grid-column: span 8; }
  .grid-editorial .span-12 { grid-column: span 12; }

  .grid-editorial .start-2 { grid-column-start: 2; }
  .grid-editorial .start-3 { grid-column-start: 3; }
  .grid-editorial .start-5 { grid-column-start: 5; }
  .grid-editorial .start-7 { grid-column-start: 7; }

  h1 { font-size: var(--text-6xl); }
}

/* Tools */
.tool-container {
  background-color: var(--color-surface-alt);
  border: var(--border-thick);
  padding: var(--spacing-4);
  margin: var(--spacing-6) 0;
}

.tool-input {
  width: 100%;
  padding: var(--spacing-2);
  border: var(--border-thin);
  font-family: var(--font-text);
  margin-bottom: var(--spacing-3);
}

.tool-button {
  background-color: var(--color-fg);
  color: var(--color-bg);
  border: none;
  padding: var(--spacing-2) var(--spacing-4);
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
}

.tool-button:hover {
  background-color: var(--color-accent);
}

.tool-result {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: var(--border-thin);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-4) 0;
}

th, td {
  padding: var(--spacing-2);
  border-bottom: var(--border-thin);
  text-align: left;
}

th {
  font-family: var(--font-display);
  font-weight: 700;
  border-bottom: var(--border-thick);
}

/* Utility Classes */
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-muted); }
.bg-dark { background-color: var(--color-fg); color: var(--color-bg); }
.mono { font-family: monospace; }
.uppercase { text-transform: uppercase; }
.border-l { border-left: var(--border-thick); padding-left: var(--spacing-4); }