:root {
  --font-sans:
    "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;

  --size-xs: 0.8125rem;
  --size-sm: 0.875rem;
  --size-base: 1rem;
  --size-lg: 1.125rem;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semi: 600;

  --line-tight: 1.18;
  --line-normal: 1.48;

  --color-bg: #fcfcfc;
  --color-text: #0c0c0c;
  --color-dim: #4a5568;
  --color-dim-light: #64748b;
  --color-border: #e2e8f0;
  --color-surface: rgb(243 244 246);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f0f11;
    --color-text: #e5e5e5;
    --color-dim: #a1a1aa;
    --color-dim-light: #71717a;
    --color-accent: #facc15;
    --color-accent-dim: #eab308;
    --color-border: #334155;
    --color-surface: rgba(255, 255, 255, 0.05);
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-base);
  line-height: var(--line-normal);
  font-weight: var(--weight-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 5rem 1.5rem 7rem;
  max-width: 720px;
  margin: 0 auto;
}

header {
  margin-bottom: 5.5rem;
}

h1 {
  font-size: var(--size-lg);
  font-weight: var(--weight-semi);
  line-height: var(--line-tight);
  letter-spacing: -0.01em;
  margin-bottom: 0.9em;
}

.tagline {
  font-size: var(--size-base);
  color: var(--color-dim);
  max-width: 55ch;
}

main section {
  margin-bottom: 4rem;
}

h2 {
  font-size: var(--size-base);
  font-weight: var(--weight-medium);
  margin-bottom: 1.2em;
  color: var(--color-dim);
}

ul {
  list-style: none;
}

p {
  margin-bottom: 1.4em;
  max-width: 65ch;
}

a {
  color: currentColor;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  opacity: 0.9;
}

.meta,
small,
time,
.tagline {
  color: var(--color-dim-light);
  font-size: var(--size-sm);
  line-height: 1.45;
}

.projects li {
  margin-bottom: 1em;
}

.projects a {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  margin: -0.75em;
  padding: 0.75em;
  border-radius: 0.375em;
}

.projects a:focus-visible {
  background-color: var(--color-surface);
}

@media (hover: hover) and (pointer: fine) {
  .projects a:hover {
    background-color: var(--color-surface);
  }
}

.projects span {
  display: block;
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.projects small {
  display: block;
  margin-top: 0.4em;
}

.contacts li {
  margin-bottom: 0.5em;
}

/* footer */

footer {
  margin-top: 7rem;
  font-size: var(--size-sm);
  color: var(--color-dim-light);
  text-align: center;
}

/* utils */

@media (pointer: coarse) {
  .touch-hitbox {
    position: relative;
  }

  .touch-hitbox::before {
    content: "";
    cursor: pointer;
    position: absolute;
    display: block;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    min-height: 44px;
    min-width: 44px;
    z-index: 9999;
  }
}