/* ============================================================
   xavpain.github.io — minimal terminal theme
   headings: Geist Pixel (Square, vendored woff2)
   body:     Geist Mono (Google Fonts)
   ============================================================ */

@font-face {
  font-family: "Geist Pixel";
  src: url("/fonts/GeistPixel-Square.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --bg:        #0a0a0a;
  --bg-elev:   #111213;
  --line:      #232425;
  --text:      #e6e6e6;
  --muted:     #8a8f98;
  --accent:    #7ee787;   /* terminal green */
  --accent-dim:#2f6f3a;
  --maxw:      720px;
  --pad:       1.5rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle scanline / grid texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- typography ---------- */

h1, h2, h3, .pixel {
  font-family: "Geist Pixel", "Geist Mono", monospace;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); margin: 0 0 .25rem; }
h2 { font-size: 1.35rem; margin: 2.5rem 0 1rem; color: var(--text); }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-dim);
  transition: border-color .15s, color .15s;
}
a:hover { border-color: var(--accent); }

p { margin: 0 0 1rem; }
.muted { color: var(--muted); }

/* ---------- nav ---------- */

nav {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--line);
  background: rgba(10,10,10,.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
}
nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
nav .brand {
  font-family: "Geist Pixel", monospace;
  font-size: 1rem;
  color: var(--text);
  border: none;
}
nav .brand::before { content: "> "; color: var(--accent); }
nav .links { display: flex; gap: 1.25rem; }
nav .links a {
  color: var(--muted);
  border: none;
  font-size: .85rem;
}
nav .links a:hover,
nav .links a[aria-current="page"] { color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding: 4rem 0 2rem;
}
.hero img {
  width: 104px;
  height: 104px;
  border-radius: 4px;
  border: 1px solid var(--line);
  image-rendering: auto;
  flex-shrink: 0;
}
.hero .tagline { color: var(--accent); margin: .25rem 0 .75rem; }
.hero .blurb { color: var(--muted); max-width: 42ch; }

@media (max-width: 520px) {
  .hero { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* ---------- socials ---------- */

.socials { display: flex; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.socials a {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .35rem .75rem;
  font-size: .85rem;
}
.socials a:hover { color: var(--accent); border-color: var(--accent-dim); }

/* ---------- prompt rule ---------- */

.rule {
  color: var(--muted);
  font-size: .8rem;
  margin: 3rem 0 0;
  border-top: 1px dashed var(--line);
  padding-top: .75rem;
}
.rule::before { content: "// "; color: var(--accent-dim); }

/* ---------- project cards ---------- */

.projects { display: grid; gap: 1rem; margin: 1.5rem 0; }
.card {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.1rem 1.25rem;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card h3 { margin: 0 0 .35rem; color: var(--text); }
.card h3 .arrow { color: var(--accent); }
.card p { color: var(--muted); margin: 0 0 .75rem; font-size: .9rem; }
.tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.tag {
  font-size: .72rem;
  color: var(--muted);
  background: #0d0d0d;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: .1rem .45rem;
}

/* ---------- about ---------- */

.stack { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1rem; }
ul.tight { padding-left: 1.2rem; }
ul.tight li { margin: .25rem 0; color: var(--muted); }
ul.tight li strong { color: var(--text); font-weight: 500; }

/* ---------- footer ---------- */

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: .8rem;
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }