:root{
  --bg:#030711;
  --nav:#06101e;
  --panel:#0b1628;
  --panel2:#101e35;
  --text:#f8fbff;
  --muted:#a8b5c9;
  --cyan:#13dfff;
  --blue:#168cff;
  --green:#8aff35;
  --violet:#b45cff;
  --pink:#ff55bb;
  --orange:#ff981d;
  --line:rgba(255,255,255,.14);
  --radius:24px;
  --shadow:0 26px 80px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 15% 10%,rgba(19,223,255,.16),transparent 22rem),
    radial-gradient(circle at 85% 15%,rgba(180,92,255,.18),transparent 26rem),
    linear-gradient(180deg,#02050d 0%,#07111f 48%,#030711 100%);
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
}
body:before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background-image:
    linear-gradient(rgba(19,223,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19,223,255,.045) 1px, transparent 1px);
  background-size:46px 46px;
  mask-image:linear-gradient(to bottom,black,transparent 82%);
}
body:after{
  content:"";
  position:fixed; inset:0; z-index:-1;
  background:
    radial-gradient(circle at 50% 25%,rgba(138,255,53,.07),transparent 20rem),
    linear-gradient(115deg,transparent 0 45%,rgba(19,223,255,.045) 50%,transparent 55%);
  pointer-events:none;
}
a{color:inherit}

.header{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:1rem clamp(1rem,4vw,2.6rem);
  background:rgba(3,7,17,.84);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(19,223,255,.22);
}
.brand{
  display:flex; align-items:center; gap:.8rem; text-decoration:none;
}
.logo{
  width:52px; height:52px; display:grid; place-items:center;
  border-radius:16px;
  color:#06101c;
  font-size:1.8rem; font-weight:900;
  background:linear-gradient(135deg,var(--cyan),var(--green));
  box-shadow:0 0 34px rgba(19,223,255,.45);
}
.brand strong{display:block; font-size:1.28rem; text-transform:uppercase; letter-spacing:.08em; line-height:1}
.brand span:last-child{display:block; color:var(--muted); font-size:.78rem}
.nav{display:flex; align-items:center; gap:.2rem}
.nav a{
  text-decoration:none; color:var(--muted); font-size:.88rem; font-weight:900;
  padding:.72rem .82rem; border-radius:999px; text-transform:uppercase;
}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.08); color:var(--text)}
.join{
  border:1px solid rgba(138,255,53,.65)!important;
  color:var(--green)!important;
  padding-inline:1rem!important;
}
.menu-toggle{display:none;background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:.6rem .8rem;font-size:1.2rem}

.hero{
  min-height:78vh; display:grid; align-items:center;
  padding:clamp(3rem,7vw,6.5rem) clamp(1rem,5vw,5rem);
  position:relative; overflow:hidden;
}
.hero:before{
  content:"";
  position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(90deg,rgba(3,7,17,.94),rgba(3,7,17,.35),rgba(3,7,17,.96)),
    url("../images/hero-concept.png") center/cover no-repeat;
  opacity:.36;
}
.hero-inner{
  max-width:1240px; width:100%; margin:auto;
  display:grid; grid-template-columns:minmax(0,1.12fr) minmax(330px,.68fr);
  gap:clamp(2rem,5vw,4rem); align-items:center;
}
.kicker{
  color:var(--violet); text-transform:uppercase; letter-spacing:.16em; font-size:.78rem; font-weight:900;
}
h1,h2,h3,p{margin-top:0}
h1{
  font-size:clamp(3.4rem,8vw,7rem); line-height:.89; letter-spacing:-.07em; margin-bottom:1.2rem;
}
h1 em{font-style:normal;color:var(--green)}
h2{font-size:clamp(2rem,4vw,3.45rem); line-height:1; letter-spacing:-.045em}
.hero-copy p:not(.kicker){font-size:1.13rem; max-width:690px; color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  text-decoration:none; border:1px solid transparent; border-radius:999px;
  padding:.9rem 1.15rem; font-weight:950; cursor:pointer; transition:.2s ease;
}
.btn:hover,.launch:hover{transform:translateY(-2px)}
.btn.blue{background:linear-gradient(135deg,var(--cyan),var(--blue)); color:#06101c; box-shadow:0 0 34px rgba(19,223,255,.25)}
.btn.green{background:linear-gradient(135deg,var(--green),#65dc21); color:#06101c}
.btn.dark{background:rgba(255,255,255,.06); border-color:var(--line); color:var(--text)}

.featured{
  border:1px solid rgba(138,255,53,.62);
  border-radius:var(--radius); padding:1.5rem;
  background:
    radial-gradient(circle at top right,rgba(19,223,255,.14),transparent 14rem),
    linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.03));
  box-shadow:var(--shadow),0 0 42px rgba(138,255,53,.08);
}
.featured h2{font-size:2rem;color:var(--green)}
.featured p{color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin:1.2rem 0}
.stat-row span{border:1px solid var(--line);border-radius:14px;padding:.75rem;color:var(--muted)}
.stat-row strong{display:block;color:var(--text);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}

.section{padding:clamp(3.5rem,7vw,6rem) clamp(1rem,5vw,5rem)}
.section-head{text-align:center;max-width:820px;margin:0 auto 2.2rem}
.section-head p{color:var(--muted)}
.quick-grid,.mission-grid,.feature-grid,.event-strip{
  max-width:1240px; margin:0 auto; display:grid; gap:1rem;
}
.quick-grid{grid-template-columns:repeat(6,1fr)}
.feature-grid{grid-template-columns:repeat(3,1fr)}
.mission-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.quick-card,.mission-card,.info-card,.event-mini{
  border:1px solid var(--line); border-radius:var(--radius);
  background:
    radial-gradient(circle at top right,rgba(19,223,255,.12),transparent 12rem),
    linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  box-shadow:0 18px 55px rgba(0,0,0,.18);
}
.quick-card{
  min-height:210px; padding:1rem; text-decoration:none; transition:.22s ease; position:relative; overflow:hidden;
}
.quick-card:hover{transform:translateY(-5px);border-color:rgba(19,223,255,.6)}
.quick-icon{font-size:2.2rem;margin-bottom:1rem}
.quick-card strong{display:block;font-size:1.05rem;text-transform:uppercase;letter-spacing:.04em}
.quick-card p{color:var(--muted);font-size:.92rem}
.quick-card span{color:var(--cyan);font-weight:900}
.page-hero{
  padding:clamp(3.5rem,7vw,6rem) clamp(1rem,5vw,5rem);
  text-align:center;
  background:
    linear-gradient(180deg,rgba(3,7,17,.4),rgba(3,7,17,.92)),
    radial-gradient(circle at 50% 0,rgba(19,223,255,.16),transparent 26rem);
}
.page-hero p:not(.kicker){max-width:760px;margin-left:auto;margin-right:auto;color:var(--muted)}
.filters{max-width:1240px;margin:0 auto 1.5rem;display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center}
.filter{
  border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.06);
  border-radius:999px;padding:.7rem .9rem;font-weight:900;cursor:pointer;
}
.filter.active{background:var(--green);color:#06101c;border-color:transparent}
.mission-card{
  min-height:315px; padding:1.2rem; position:relative; overflow:hidden; display:flex; flex-direction:column; transition:.22s ease;
}
.mission-card.hide{display:none}
.mission-card:hover{transform:translateY(-5px);border-color:rgba(19,223,255,.55);box-shadow:0 25px 70px rgba(0,0,0,.32),0 0 34px rgba(19,223,255,.1)}
.mission-glow{position:absolute;inset:auto -30% -50% -30%;height:160px;background:radial-gradient(circle,rgba(19,223,255,.12),transparent 70%);pointer-events:none}
.mission-icon{font-size:2.3rem;margin-bottom:.9rem}
.card-meta{display:flex;justify-content:space-between;gap:1rem;margin-bottom:.8rem;color:var(--green);font-size:.72rem;font-weight:950;text-transform:uppercase;letter-spacing:.08em}
.mission-card p{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:.8rem 0}
.chips span{border:1px solid var(--line);background:rgba(255,255,255,.055);border-radius:999px;padding:.32rem .55rem;color:var(--muted);font-size:.8rem;font-weight:800}
.skills{font-size:.9rem;margin-top:auto}
.launch{align-self:flex-start;margin-top:1rem;display:inline-flex;gap:.5rem;text-decoration:none;font-weight:950;color:#06101c;background:linear-gradient(135deg,var(--cyan),var(--green));border-radius:999px;padding:.68rem .95rem}
.info-card{padding:1.4rem}
.info-card p,.event-mini p{color:var(--muted)}
.info-card .big{font-size:2.5rem;margin-bottom:.6rem}
.event-strip{grid-template-columns:repeat(3,1fr)}
.event-mini{padding:1.1rem}
.event-mini strong{display:block;font-size:1.15rem}
.count{color:var(--green);font-weight:950}
.footer{
  display:flex;justify-content:space-between;gap:2rem;padding:2rem clamp(1rem,5vw,5rem);
  border-top:1px solid var(--line);color:var(--muted)
}
.footer a{color:var(--muted);text-decoration:none;margin-left:1rem}
.footer a:hover{color:var(--text)}

@media(max-width:1100px){
  .quick-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:100%;left:1rem;right:1rem;flex-direction:column;align-items:stretch;padding:1rem;border:1px solid var(--line);border-radius:18px;background:rgba(3,7,17,.98)}
  .nav.open{display:flex}
  .hero-inner{grid-template-columns:1fr}
  .mission-grid,.feature-grid,.event-strip{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  h1{font-size:3.1rem}
  .brand span:last-child{display:none}
  .quick-grid,.mission-grid,.feature-grid,.event-strip{grid-template-columns:1fr}
  .footer{flex-direction:column}
  .footer a{margin:0 1rem 0 0}
  .stat-row{grid-template-columns:1fr}
}