/* Fonts are served from this site (see fonts/): Fraunces for headings, DM Sans for text. Both are SIL OFL 1.1. */
@font-face { font-family: "Fraunces"; src: url("fonts/fraunces.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("fonts/dm-sans.woff2") format("woff2"); font-weight: 100 1000; font-style: normal; font-display: swap; }

/* Flat, matte colors: paper and graphite with one warm accent. No gradients, no glow. */
:root {
  --serif: "Fraunces", ui-serif, "New York", Georgia, "Times New Roman", serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", sans-serif;
  --bg: #f3f0ea;
  --surface: #faf8f4;
  --text: #22201d;
  --muted: #6b665e;
  --line: #ddd7cc;
  --accent: #b5603a;
  --accent-text: #ffffff;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1a18;
    --surface: #232220;
    --text: #ece8e1;
    --muted: #a39d92;
    --line: #34322e;
    --accent: #d08a62;
    --accent-text: #1b1a18;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 0.5em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.15rem; margin: 0; }
p { margin: 0 0 1em; text-wrap: pretty; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-text); padding: 0.5rem 1rem; z-index: 20; }
.skip:focus { left: 0; }

/* header */
header.site { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 0.7rem; padding-bottom: 0.7rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--text); text-decoration: none; font: 600 1rem ui-monospace, "SF Mono", Menlo, monospace; }
.mark { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 8px; background: var(--accent); color: var(--accent-text); font: 700 1.05rem var(--serif); }
nav ul { display: flex; align-items: center; gap: 1.2rem; list-style: none; margin: 0; padding: 0; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
nav a.pill { color: var(--text); border: 1px solid var(--line); padding: 0.28rem 0.85rem; border-radius: 999px; transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease); }
nav a.pill:hover { border-color: var(--accent); background: var(--surface); }

/* hero */
.hero { padding: 5.5rem 0 0; overflow: hidden; }
.eyebrow { font: 600 0.82rem ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 34rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.btn { display: inline-block; padding: 0.7rem 1.3rem; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); text-decoration: none; font-weight: 600; transition: transform 0.2s var(--ease), filter 0.2s var(--ease), background-color 0.2s var(--ease); }
.btn:hover { transform: translateY(-1px); filter: brightness(0.94); }
.btn.secondary { background: transparent; color: var(--accent); }
.btn.secondary:hover { background: var(--surface); filter: none; }

/* the running dino: a pixel drawing moved by CSS, with a cactus it jumps over */
.scene { container-type: inline-size; position: relative; height: 9.5rem; margin-top: 3rem; color: var(--text); }
.scene .ground { position: absolute; left: 0; right: 0; bottom: 1rem; width: 100%; height: 12px; border-top: 2px solid currentColor; fill: currentColor; opacity: 0.7; overflow: hidden; }
.scene .ground .dashes { animation: ground 1.6s linear infinite; }
.scene .dino { position: absolute; left: 14cqw; bottom: 1.15rem; width: 4.4rem; height: auto; fill: currentColor; animation: jump 6s linear infinite; }
.scene .cactus { position: absolute; left: 100cqw; bottom: 1.15rem; width: 2.4rem; height: auto; fill: var(--accent); animation: cactus 6s linear infinite; }
.leg-b { opacity: 0; }

/* sections */
section { padding: 4.5rem 0; }
#projects { border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1rem; margin-top: 1.75rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.3rem 1.35rem; display: flex; flex-direction: column; gap: 0.6rem; transition: transform 0.25s var(--ease), border-color 0.25s var(--ease); }
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }
.card-top { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.card .links { margin-top: auto; padding-top: 0.4rem; display: flex; gap: 1.1rem; font-size: 0.93rem; }
.card .links a { text-decoration: none; font-weight: 600; }
.card .links a:hover { text-decoration: underline; }
.lang { font: 500 0.74rem ui-monospace, "SF Mono", Menlo, monospace; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 0.1rem 0.6rem; white-space: nowrap; }

footer.site { border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); font-size: 0.93rem; }
footer.site p { margin: 0 0 0.4rem; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }
footer.site .small { font-size: 0.85rem; }

/* motion */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes ground { to { transform: translateX(-480px); } }
@keyframes cactus { from { transform: translateX(0); } to { transform: translateX(-112cqw); } }
@keyframes jump {
  0%, 66%, 90%, 100% { transform: translateY(0); }
  72% { transform: translateY(-5.2rem); }
  78% { transform: translateY(-5.6rem); }
  84% { transform: translateY(-3rem); }
}
@keyframes legs-a { 0%, 49.9% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes legs-b { 0%, 49.9% { opacity: 0; } 50%, 100% { opacity: 1; } }

@media (prefers-reduced-motion: no-preference) {
  .hero .wrap > * { animation: rise 0.75s var(--ease) both; }
  .hero .wrap > :nth-child(2) { animation-delay: 0.07s; }
  .hero .wrap > :nth-child(3) { animation-delay: 0.14s; }
  .hero .wrap > :nth-child(4) { animation-delay: 0.21s; }
  .scene { animation: rise 0.9s var(--ease) 0.3s both; }
  .leg-a { animation: legs-a 0.3s steps(1, end) infinite; }
  .leg-b { animation: legs-b 0.3s steps(1, end) infinite; }
  @supports (animation-timeline: view()) {
    .card { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .scene .ground .dashes, .scene .dino, .scene .cactus { animation: none; }
  .scene .cactus { left: 62cqw; }
}

@media (max-width: 600px) {
  .hero { padding-top: 3.5rem; }
  section { padding: 3.2rem 0; }
  .scene .dino { width: 3.4rem; }
  .scene .cactus { width: 1.9rem; }
}

/* featured project */
.featured { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 2rem; margin-top: 1.75rem; padding: 1.8rem; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; transition: border-color 0.25s var(--ease); }
.featured:hover { border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }
.featured .eyebrow { margin-bottom: 0.5rem; }
.featured h3 { font-size: 1.9rem; margin-bottom: 0.5rem; }
.featured p { color: var(--muted); }
.featured .links { display: flex; flex-wrap: wrap; gap: 1.2rem; margin: 0.4rem 0 0; font-size: 0.95rem; }
.featured .links a { text-decoration: none; font-weight: 600; }
.featured .links a:hover { text-decoration: underline; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0 0 1rem; }
.chips li { font-size: 0.82rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 0.15rem 0.7rem; }
.featured-side { align-self: center; }
.featured-side .label { font: 600 0.78rem ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.6rem; }
.featured-side .note { font-size: 0.86rem; margin: 0.7rem 0 0; }
.term { display: flex; gap: 0.7rem; background: #1f1d1b; color: #ece8e1; border-radius: 10px; padding: 0.85rem 1rem; font: 0.84rem/1.5 ui-monospace, "SF Mono", Menlo, monospace; }
.term .prompt { color: #8b857a; user-select: none; }
.term code { user-select: all; overflow-wrap: anywhere; }
.featured + .grid { margin-top: 1rem; }

/* about */
.about { max-width: 44rem; }
.about p { color: var(--muted); font-size: 1.08rem; }

@media (max-width: 760px) {
  .featured { grid-template-columns: minmax(0, 1fr); padding: 1.4rem; gap: 1.4rem; }
  .featured-side { align-self: stretch; }
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .featured { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
  }
}

@media (max-width: 480px) {
  nav ul { gap: 0.8rem; }
  nav li:not(:last-child) { display: none; }
}
@media (max-width: 480px) {
  .term { font-size: 0.76rem; }
}