@import url("space-grotesk.css");
@import url("chivo.css");
@import url('tokens.css');

/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}
* {
  margin: 0;
  padding: 0;
}
html {
  font-family: var(--f-text);
  background-color: var(--c-base);
  color: var(--c-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}
input, button, textarea, select {
  font: inherit;
}
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}
a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 3px;
  color: var(--c-green-pop);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.1;
  text-wrap: balance;
  letter-spacing: -0.02em;
}
h1 { font-size: var(--s-5xl); margin-bottom: var(--sp-md); text-transform: uppercase; }
h2 { font-size: var(--s-3xl); margin-bottom: var(--sp-sm); }
h3 { font-size: var(--s-2xl); margin-bottom: var(--sp-sm); }
h4 { font-size: var(--s-xl); margin-bottom: var(--sp-xs); }
p { font-size: var(--s-base); margin-bottom: var(--sp-sm); max-width: var(--max-w-reading); }
p.lead { font-size: var(--s-lg); }

/* Structural Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-w-content);
  margin-inline: auto;
  padding-inline: var(--sp-md);
}
.grid {
  display: grid;
  gap: var(--sp-md);
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }

.pt-lg { padding-top: var(--sp-lg); }
.pb-lg { padding-bottom: var(--sp-lg); }
.py-xl { padding-block: var(--sp-xl); }
.my-lg { margin-block: var(--sp-lg); }

.bg-dark { background-color: var(--c-text); color: var(--c-base); }
.bg-concrete { background-color: var(--c-concrete); }
.bg-green { background-color: var(--c-green-dark); color: white; }

.border-t { border-top: var(--border-thin); }
.border-b { border-bottom: var(--border-thin); }
.border-b-thick { border-bottom: var(--border-thick); }

/* UI Components */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--c-text);
  color: var(--c-base);
  text-decoration: none;
  font-family: var(--f-display);
  text-transform: uppercase;
  font-weight: 700;
  border: var(--border-thick);
  transition: all 0.2s;
  cursor: pointer;
}
.btn:hover {
  background-color: var(--c-green-pop);
  color: black;
  border-color: black;
}
.btn-outline {
  background-color: transparent;
  color: var(--c-text);
}

.card {
  border: var(--border-thick);
  padding: var(--sp-md);
  background-color: var(--c-base);
}
.card h3 {
    margin-top: 0;
}

/* Header & Footer */
header {
  border-bottom: var(--border-thick);
  padding-block: var(--sp-sm);
}
.nav-link {
  text-decoration: none;
  font-weight: 600;
  font-family: var(--f-display);
  text-transform: uppercase;
}
.nav-link.active {
  color: var(--c-green-pop);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

footer {
  border-top: var(--border-thick);
  padding-top: var(--sp-lg);
  padding-bottom: var(--sp-md);
  margin-top: auto;
  font-size: var(--s-sm);
}
footer h4 {
  font-size: var(--s-base);
}
footer a {
  text-decoration: none;
}

/* Tool layout */
.tool-container {
    border: var(--border-thick);
    padding: var(--sp-md);
    background: var(--c-concrete);
}
.tool-input {
    width: 100%;
    padding: 0.5rem;
    border: var(--border-thin);
    margin-bottom: 1rem;
    font-family: var(--f-mono);
}
.tool-output {
    font-family: var(--f-mono);
    font-size: var(--s-lg);
    font-weight: 700;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: var(--border-thin);
}

/* Media Queries for Responsive Typography */
@media (max-width: 768px) {
  :root {
    --s-5xl: 3.5rem;
    --s-4xl: 2.5rem;
    --s-3xl: 2rem;
    --s-2xl: 1.5rem;
    --sp-xl: 4rem;
  }
}