/* Reset based on https://www.joshwcomeau.com/css/custom-css-reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  line-height: 1.5;
  /* https://github.com/tailwindlabs/tailwindcss/blob/595b88f2718d07cf8a22be9416fc2fbc10c5c841/packages/tailwindcss/preflight.css#L33 */
  font-family: var(
    --default-font-family,
    ui-sans-serif,
    system-ui,
    sans-serif,
    'Apple Color Emoji',
    'Segoe UI Emoji',
    'Segoe UI Symbol',
    'Noto Color Emoji'
  );
}
img, picture, video, canvas, svg { display: block; }
h1, h2, h3, h4 { font-weight: inherit; }
small { font-size: 0.5rem; color: rgba(0, 0, 0, 0.8); }
ul, ol { padding-left: 0; }
li { margin-left: 20px; }

/* Site-specific */
:root {
  --base-spacing: 10px;
  --border-radius: 4px;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-size: 16px;
}

header {
  padding: calc(var(--base-spacing) * 2);
  background-color: #f7f8fa;
  border-bottom: 1px dashed #e0e0e0;

  p {
    margin: auto;
    text-align: center;
    max-width: 500px;
  }
}

main {
  max-width: 1200px;
  margin: auto;
  padding: 0 var(--base-spacing);
  flex-grow: 1;
}

h1 { font-size: 3.5rem; font-weight: 600; color: #333; }
h2 { font-size: 2rem; font-weight: 500; color: #444; }
h3 { font-size: 1.4rem; font-weight: 400; color: #555; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: calc(var(--base-spacing) * 2) var(--base-spacing);
  align-items: start;
}

.projects article {
  padding: var(--base-spacing);
  border-radius: var(--border-radius);
  background-color: #f7f8fa;
  border: 1px solid #e0e0e0;

  img {
    width: calc(100% + 20px);
    margin-left: calc(-1 * var(--base-spacing));
    margin-top: calc(-1 * var(--base-spacing));
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
  }

  h3 {
    display: flex;
    align-items: center;
    margin-top: var(--base-spacing);
  }

  .button {
    display: inline-block;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    background: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    text-decoration: none;

    &:hover {
      background: #f0f0f0;
      border-color: #ccc;
    }

    &:active {
      background: #e0e0e0;
      border-color: #bbb;
    }

    &:focus {
      outline: 2px solid #0056b3;
      outline-offset: 2px;
    }
  }
}

footer {
  text-align: center;
  padding: var(--base-spacing);
  font-size: 0.9rem;
}

/* Utilities */
.text-center { text-align: center; }
.flex { display: flex; align-items: center; }
.justify-center { justify-content: center; }

.mb-1 { margin-bottom: var(--base-spacing); }
.mb-3 { margin-bottom: calc(var(--base-spacing) * 3); }
.mt-2 { margin-top: calc(var(--base-spacing) * 2); }

.space-x-1 > *:not(:first-child) { margin-left: calc(var(--base-spacing) * 1) }