/* ============================================================
   Supergemma Foundation — Robinhood-palette rebuild
   Vanilla CSS. ReactBits-inspired: aurora, shiny text, spotlight.
   ============================================================ */

:root{
  --green:#00C805;        /* Robinhood signature */
  --green-2:#30E000;      /* brighter lime accent */
  --green-dim:#0b3d12;
  --bg:#000000;
  --bg-2:#0a0a0a;
  --bg-3:#0f0f0f;
  --card:#0d0d0d;
  --card-2:#111111;
  --border:#1c1c1c;
  --border-2:#262626;
  --txt:#f4f5f4;
  --txt-2:#a7ada7;
  --txt-3:#6c726c;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Space Grotesk',var(--font);
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.1;letter-spacing:-.02em}
code{font-family:var(--mono)}

/* ---------- aurora backdrop (ReactBits Aurora, pure CSS) ---------- */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;
  will-change:transform}
.aurora .a1{width:60vw;height:60vw;left:-15vw;top:-25vh;
  background:radial-gradient(circle,rgba(0,200,5,.35),transparent 65%);
  animation:drift1 22s var(--ease) infinite alternate}
.aurora .a2{width:45vw;height:45vw;right:-10vw;top:5vh;
  background:radial-gradient(circle,rgba(48,224,0,.22),transparent 65%);
  animation:drift2 27s var(--ease) infinite alternate}
.aurora .a3{width:50vw;height:50vw;left:20vw;bottom:-30vh;
  background:radial-gradient(circle,rgba(0,200,5,.18),transparent 65%);
  animation:drift3 30s var(--ease) infinite alternate}
@keyframes drift1{to{transform:translate(12vw,10vh) scale(1.15)}}
@keyframes drift2{to{transform:translate(-10vw,12vh) scale(1.1)}}
@keyframes drift3{to{transform:translate(8vw,-8vh) scale(1.2)}}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.wrap.narrow{max-width:820px}
.section{padding:96px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,transparent,rgba(10,10,10,.6) 12%,rgba(10,10,10,.6) 88%,transparent)}
main{position:relative;z-index:1}

.eyebrow{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--green-2);margin-bottom:14px}
.sec-title{font-size:clamp(1.7rem,4vw,2.7rem);margin-bottom:16px}
.sec-lead{color:var(--txt-2);max-width:640px;font-size:1.05rem;margin-bottom:44px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(0,0,0,.62);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700}
.brand-mark{width:28px;height:28px}
.brand-txt .muted{color:var(--txt-3);font-weight:500}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:.92rem}
.nav-links a{color:var(--txt-2);transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-x{color:var(--txt-2);font-size:1.1rem;transition:color .2s}
.nav-x:hover{color:var(--green-2)}
.nav-burger{display:none;background:none;border:none;color:var(--txt);
  font-size:1.4rem;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:.92rem;
  cursor:pointer;border:1px solid transparent;transition:transform .18s var(--ease),
  box-shadow .25s,background .2s;white-space:nowrap}
.btn.lg{padding:14px 26px;font-size:1rem}
.btn-green{background:var(--green);color:#001b01;position:relative;overflow:hidden}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,200,5,.35)}
/* StarBorder shimmer (ReactBits) */
.btn-green::after{content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.45),transparent 70%);
  transform:translateX(-120%);transition:none}
.btn-green:hover::after{animation:shimmer 1s var(--ease)}
@keyframes shimmer{to{transform:translateX(120%)}}
.btn-ghost{background:transparent;border-color:var(--border-2);color:var(--txt)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-2);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{padding:120px 0 100px;text-align:center;position:relative;z-index:1}
.hero-inner{max-width:820px;margin:0 auto;padding:0 24px}
.pill{display:inline-block;font-family:var(--mono);font-size:.75rem;
  padding:6px 14px;border:1px solid var(--border-2);border-radius:999px;
  color:var(--txt-2);margin-bottom:26px;background:rgba(0,200,5,.05)}
.hero-title{font-size:clamp(2.4rem,6.5vw,4.4rem);margin-bottom:22px}
/* ShinyText (ReactBits) */
.shiny{background:linear-gradient(90deg,var(--green) 20%,#eafff0 50%,var(--green) 80%);
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;animation:shine 4s linear infinite}
@keyframes shine{to{background-position:200% center}}
.hero-sub{color:var(--txt-2);font-size:1.12rem;max-width:620px;margin:0 auto 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}

/* ---------- cards + SpotlightCard (ReactBits) ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;position:relative}
.card.spot{overflow:hidden;transition:border-color .25s,transform .25s var(--ease)}
.card.spot::before{content:"";position:absolute;width:280px;height:280px;
  background:radial-gradient(circle,rgba(0,200,5,.16),transparent 70%);
  left:var(--mx,50%);top:var(--my,50%);transform:translate(-50%,-50%);
  opacity:0;transition:opacity .3s;pointer-events:none}
.card.spot:hover{border-color:var(--border-2);transform:translateY(-3px)}
.card.spot:hover::before{opacity:1}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--txt-2);font-size:.96rem}

.steps .step-num{font-family:var(--mono);font-size:.8rem;color:var(--green-2);
  border:1px solid var(--green-dim);padding:3px 9px;border-radius:6px;
  display:inline-block;margin-bottom:14px}

.proj-tag{display:inline-block;font-family:var(--mono);font-size:.7rem;
  text-transform:uppercase;letter-spacing:.1em;color:var(--txt-3);
  border:1px solid var(--border-2);padding:3px 9px;border-radius:6px;margin-bottom:14px}
.proj-link{color:var(--green-2);font-size:.9rem;font-weight:600;
  display:inline-block;margin-top:14px;transition:opacity .2s}
.proj-link:hover{opacity:.7}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--green),transparent)}
.tl-item{position:relative;margin-bottom:22px}
.tl-dot{position:absolute;left:-28px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 4px rgba(0,200,5,.15)}
.tl-phase{font-family:var(--mono);font-size:.72rem;color:var(--green-2);
  text-transform:uppercase;letter-spacing:.12em;display:block;margin-bottom:8px}
.tl-body h3{font-size:1.12rem;margin-bottom:8px}

/* ---------- apply form ---------- */
.apply-form{display:flex;flex-direction:column;gap:18px;padding:32px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.85rem;color:var(--txt-2);font-weight:500}
.field input,.field textarea{background:var(--bg-2);border:1px solid var(--border);
  border-radius:8px;padding:12px 14px;color:var(--txt);font-family:var(--font);
  font-size:.95rem;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.field textarea{resize:vertical}
.form-note{color:var(--green-2);font-size:.88rem}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 20px;transition:border-color .2s}
.faq-item[open]{border-color:var(--border-2)}
.faq-item summary{cursor:pointer;padding:18px 0;font-weight:600;list-style:none;
  display:flex;justify-content:space-between;align-items:center;font-family:var(--display)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--green-2);font-size:1.3rem;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{color:var(--txt-2);font-size:.95rem;padding:0 0 18px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);padding:48px 0 30px;position:relative;z-index:1;
  background:var(--bg)}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.footer-brand{max-width:280px}
.footer-brand .brand-mark{width:26px;height:26px;display:inline-block;vertical-align:middle;margin-right:8px}
.footer-tag{color:var(--txt-3);font-size:.88rem;margin-top:12px}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap;font-size:.9rem}
.footer-nav a{color:var(--txt-2);transition:color .2s}
.footer-nav a:hover{color:var(--green-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--border);color:var(--txt-3);font-size:.82rem}
.footer-x{color:var(--txt-2);font-family:var(--mono);transition:color .2s}
.footer-x:hover{color:var(--green-2)}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .grid-3{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(0,0,0,.96);border-bottom:1px solid var(--border);padding:16px 24px;gap:16px}
  .nav-links.open{display:flex}
  .nav-burger{display:block;margin-left:auto}
  .nav-cta .btn{display:none}
  .section{padding:64px 0}
}
@media(max-width:480px){
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  .aurora span{animation:none}
  .shiny{animation:none;-webkit-text-fill-color:var(--green-2)}
  *{scroll-behavior:auto!important}
}