/* Ludovico Galassi — portfolio
   Base layer shared by every page: tokens, reset, wrap, nav and footer.
   Page design lives in ds.css, home.css and project.css. */

:root {
  --bg: #121110;
  --ink: #f3f1ec;
  --ink-soft: #948e81;
  --line: #2b2824;
  --accent: #e2572e;
  --card-bg: #1a1816;
  --max-w: 1400px;
  --space: 1.25rem;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-display: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: var(--ink); }

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space);
}
@media (min-width: 900px) {
  .wrap { padding: 0 3rem; }
}
@media (min-width: 1400px) {
  .wrap { padding: 0 4rem; }
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18,17,16,0.88);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 800;
  font-size: var(--fs-body);
  text-decoration: none;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: var(--fs-note);
}
.nav-links a { text-decoration: none; color: var(--ink-soft); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }


/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3.5rem;
  color: var(--ink-soft);
  font-size: var(--fs-small);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }