/* ==========================================================================
   1. JOSH COMEAU'S CUSTOM CSS RESET
   ========================================================================== */

/* 1. Use a more-intuitive box-sizing model */
*, *::before, *::after {
  box-sizing: border-box;
}

/* 2. Remove default margin */
* {
  margin: 0;
}

/* 3. Enable keyword animations */
@media (prefers-reduced-motion: no-preference) {
  html {
    interpolate-size: allow-keywords;
  }
}

body {
  /* 4. Add accessible line-height */
  line-height: 1.5;
  /* 5. Improve text rendering */
  -webkit-font-smoothing: antialiased;
}

/* 6. Improve media defaults */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

/* 7. Inherit fonts for form controls */
input, button, textarea, select {
  font: inherit;
}

/* 8. Avoid text overflows */
p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* 9. Improve line wrapping */
p {
  text-wrap: pretty;
}
h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
}

/* 10. Create a root stacking context */
#root, #__next {
  isolation: isolate;
}

/* ==========================================================================
   2. BASE & LAYOUT VARIABLES
   ========================================================================== */

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --border: #e2e8f0;
  --max-w: 68rem;
  --space: clamp(1rem, 3vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --surface: #1e293b;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #3b82f6;
    --border: #334155;
  }
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.container {
  width: min(100% - (var(--space) * 2), var(--max-w));
  margin-inline: auto;
}

/* ==========================================================================
   3. COMPONENTS & RESPONSIVE UTILITIES
   ========================================================================== */

.site-header {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

.hero {
  padding-block: clamp(3rem, 8vw, 6rem);
  max-width: 65ch;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.125rem;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-block;
  background-color: var(--accent);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1.5rem;
  padding-bottom: 4rem;
}

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}