/* ============================================================
   About — space-themed, matches the science / research / home pages
   (black + red accent, GFMono/GFHelv, starfield, 3D portrait)
   ============================================================ */
@font-face{font-family:'GFMono';src:url('fonts/c322f9101d11e4655c4d3c822869_57991824.woff2') format('woff2');font-display:swap}
@font-face{font-family:'GFHelv';src:url('fonts/helveticaw01boldwoff2_4a6a2be7.woff2') format('woff2');font-weight:700;font-display:swap}

:root{
  --bg:#000002; --fg:#fff; --muted:rgba(255,255,255,.6); --faint:rgba(255,255,255,.34);
  --line:rgba(255,255,255,.12); --accent:#ff4242; --accent2:#ff7a7a; --blue:#8fbaff;
  --mono:'GFMono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --disp:'GFHelv','Helvetica Neue',Arial,sans-serif;
  --wrap:1180px; --pad:clamp(20px,5vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.about{margin:0;background:var(--bg);color:var(--fg);font-family:var(--mono);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
.about a{color:inherit;text-decoration:none}
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.about>*{position:relative;z-index:1}

/* nav */
.ab-nav{display:flex;align-items:center;justify-content:space-between;padding:22px var(--pad);
  font-size:13px;letter-spacing:.18em;text-transform:lowercase;position:absolute;top:0;left:0;right:0;z-index:5}
.ab-nav a{opacity:.78;transition:opacity .25s,color .25s}
.ab-nav a:hover{opacity:1}
.ab-nav .group{display:flex;gap:clamp(14px,2.6vw,36px)}
.ab-nav .here{color:var(--accent);opacity:1}

/* hero layout */
.ab-wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.ab-hero{min-height:100vh;display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);
  gap:clamp(40px,7vw,96px);align-items:center;padding:128px 0 84px}
@media(max-width:860px){.ab-hero{grid-template-columns:1fr;justify-items:center;text-align:center;gap:56px;padding-top:104px}}

/* ---- 3D portrait ---- */
.ab-portrait{position:relative;width:min(360px,82vw);aspect-ratio:1/1;perspective:1100px}   /* flat: portrait (card z2) sits in front of the orbit rings (z1) */
.ab-glow{position:absolute;inset:-26%;z-index:0;border-radius:50%;
  background:radial-gradient(circle at 50% 45%,rgba(255,66,66,.20),rgba(143,186,255,.10) 40%,transparent 66%);
  filter:blur(22px);animation:ab-pulse 7s ease-in-out infinite}
@keyframes ab-pulse{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}

.ab-orbit{position:absolute;border-radius:50%;pointer-events:none;z-index:1}   /* behind the card (flat; no preserve-3d) so the portrait stays in front of the rings */
.ab-orbit--1{inset:-24%;border:1px solid rgba(143,186,255,.22);animation:ab-spin1 18s linear infinite}
.ab-orbit--2{inset:-12%;border:1px solid rgba(255,66,66,.20);animation:ab-spin2 12s linear infinite}
@keyframes ab-spin1{from{transform:rotateX(64deg) rotateZ(0)}to{transform:rotateX(64deg) rotateZ(360deg)}}
@keyframes ab-spin2{from{transform:rotateX(58deg) rotateZ(360deg)}to{transform:rotateX(58deg) rotateZ(0)}}
.ab-moon{position:absolute;top:-5px;left:50%;width:9px;height:9px;border-radius:50%;margin-left:-4.5px;
  background:var(--blue);box-shadow:0 0 12px 3px rgba(143,186,255,.8)}
.ab-moon--2{background:var(--accent);box-shadow:0 0 12px 3px rgba(255,66,66,.8)}

.ab-card{position:absolute;inset:7%;border-radius:20px;overflow:hidden;z-index:2;
  border:1px solid var(--line);background:#0a0c14;box-shadow:0 36px 90px -30px rgba(0,0,0,.95);
  transition:transform .25s cubic-bezier(.2,.7,.2,1)}
.ab-card img{width:100%;height:100%;object-fit:cover;display:block}
.ab-card::after{content:"";position:absolute;inset:0;border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}

.ab-badge{position:absolute;right:-5%;bottom:-5%;width:33%;aspect-ratio:1/1;border-radius:50%;
  object-fit:cover;border:3px solid var(--bg);z-index:4;box-shadow:0 14px 34px -10px rgba(0,0,0,.85);
  animation:ab-float 5.5s ease-in-out infinite}
@keyframes ab-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---- intro / text ---- */
.ab-intro{max-width:560px}
.ab-eyebrow{font-size:11px;letter-spacing:.42em;text-transform:uppercase;color:var(--accent);margin:0 0 16px}
.ab-name{font-family:var(--disp);font-weight:700;font-size:clamp(40px,6.4vw,78px);line-height:1;
  margin:0 0 24px;letter-spacing:.5px;text-shadow:0 0 36px rgba(143,186,255,.18)}
.ab-bio{font-size:clamp(15px,1.55vw,19px);line-height:1.85;color:var(--muted);max-width:50ch;
  margin:0 0 36px;min-height:3.4em}
@media(max-width:860px){.ab-bio{margin-inline:auto}}
.ab-bio .gg-caret{color:var(--accent);font-weight:400}

.ab-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:2px}
@media(max-width:860px){.ab-actions{justify-content:center}}
.ab-cta{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:#fff;border:1px solid rgba(255,255,255,.6);border-radius:999px;
  padding:14px 26px;transition:.3s}
.ab-cta span{transition:transform .3s}
.ab-cta:hover{background:#fff;color:#0a0a0a;box-shadow:0 14px 40px -14px rgba(255,255,255,.45)}
.ab-cta:hover span{transform:translateX(5px)}
.ab-social{display:flex;gap:14px}
@media(max-width:860px){.ab-social{justify-content:center}}
.ab-social a{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);background:rgba(255,255,255,.02);transition:.3s}
.ab-social a:hover{color:#fff;border-color:var(--accent);transform:translateY(-5px);
  box-shadow:0 14px 34px -12px rgba(255,66,66,.55)}
.ab-social svg{width:20px;height:20px;fill:currentColor}

/* ---- footer ---- */
.ab-foot{border-top:1px solid var(--line);padding:30px var(--pad);display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:14px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.ab-foot a:hover{color:#fff}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.ab-portrait.reveal{transform:translateY(26px) scale(.95)}
.ab-portrait.reveal.in{transform:none}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .ab-glow,.ab-orbit,.ab-badge{animation:none}
  *{scroll-behavior:auto}
}