:root {
  --bg: #070b14;
  --text: #f5f8ff;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  width: 100%;
  overflow-x: hidden;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  position: relative;
}

/* =========================
   Background
========================= */

.bg-gradient,
.bg-grid,
.orb,
.node {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.bg-gradient {
  background:
    radial-gradient(circle at 50% 22%, rgba(43, 98, 255, 0.24), transparent 30%),
    radial-gradient(circle at 18% 76%, rgba(132, 232, 95, 0.16), transparent 24%),
    radial-gradient(circle at 84% 68%, rgba(89, 174, 255, 0.16), transparent 22%),
    linear-gradient(180deg, #07101b 0%, #060912 48%, #04070d 100%);
  z-index: -4;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 90%);
  opacity: 0.45;
  z-index: -3;
}

.orb {
  filter: blur(100px);
  opacity: 0.7;
  z-index: -2;
}

.orb-a {
  inset: auto auto 10% 8%;
  width: 240px;
  height: 240px;
  background: rgba(132, 232, 95, 0.18);
}

.orb-b {
  inset: 10% 10% auto auto;
  width: 300px;
  height: 300px;
  background: rgba(47, 101, 255, 0.20);
}

.orb-c {
  inset: 34% auto auto 42%;
  width: 280px;
  height: 280px;
  background: rgba(88, 201, 255, 0.16);
}

.node {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 35%, #d7f7ff 0%, #64a2ff 55%, #2b60ff 100%);
  box-shadow:
    0 0 0 8px rgba(101, 166, 255, 0.05),
    0 0 24px rgba(98, 162, 255, 0.45),
    0 0 60px rgba(52, 111, 255, 0.2);
  z-index: -1;
}

.node-a { inset: 18% auto auto 19%; }
.node-b { inset: 27% 20% auto auto; }
.node-c { inset: auto auto 16% 24%; }
.node-d { inset: auto 14% 20% auto; }

/* =========================
   Layout
========================= */

.page-shell {
  width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.hero-card {
  width: 100%;
  max-width: 760px;
  text-align: center;
  padding: 34px 20px 34px;
  background: linear-gradient(180deg, rgba(16, 22, 38, 0.84), rgba(8, 12, 22, 0.78));
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.02));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-topline {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: rgba(255,255,255,0.64);
  margin-bottom: 18px;
}

/* =========================
   Logo as main visual
========================= */

.logo-wrap {
  position: relative;
  width: min(270px, 68vw);
  margin: 0 auto;
  z-index: 2;
}

.logo-glow {
  position: absolute;
  inset: -18px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 40%, rgba(132, 232, 95, 0.18), transparent 36%),
    radial-gradient(circle at 68% 50%, rgba(47, 101, 255, 0.28), transparent 48%);
  filter: blur(26px);
}

.logo {
  position: relative;
  width: 100%;
  display: block;
  border-radius: 28px 28px 18px 18px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}

/* =========================
   Meta panel attached to logo
========================= */

.meta-panel {
  width: min(270px, 68vw);
  margin: -6px auto 0;
  padding: 14px 16px 16px;
  text-align: left;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: none;
  border-radius: 0 0 18px 18px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 8px 20px rgba(0,0,0,0.14);
  position: relative;
  z-index: 1;
}

.meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.55;
  color: rgba(255,255,255,0.84);
}

.meta-line + .meta-line {
  margin-top: 6px;
}

.meta-icon {
  width: 20px;
  flex-shrink: 0;
  text-align: center;
  font-size: 1rem;
}

/* =========================
   Title + invite copy
========================= */

.hero-title {
  width: min(340px, 68vw);
  margin: 24px auto 0;
  font-size: clamp(1.55rem, 6vw, 2.35rem);
  font-weight: 630;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.invite-copy {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.54);
}

/* =========================
   CTA
========================= */

.cta-row {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 3;
}

.join-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(270px, 68vw);
  min-height: 56px;
  padding: 0 18px;
  text-decoration: none;
  color: #070b14;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 16px;
  background: #f5f8ff;
  border: 1px solid rgba(255,255,255,0.85);
  box-shadow: 0 12px 28px rgba(0,0,0,0.22);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.join-btn:hover {
  transform: translateY(-2px);
  background: #ffffff;
  border-color: #ffffff;
}

/* =========================
   Mobile
========================= */

@media (max-width: 640px) {
  .page-shell {
    padding: 20px 12px;
  }

  .hero-card {
    padding: 28px 16px 28px;
    border-radius: 24px;
  }

  .hero-topline {
    margin-bottom: 16px;
    font-size: 11px;
  }

  .logo-wrap {
    width: min(230px, 64vw);
  }

  .meta-panel {
    width: min(230px, 64vw);
    margin-top: -6px;
    padding: 13px 14px 15px;
  }

  .meta-line {
    gap: 9px;
    font-size: 0.9rem;
  }

  .meta-icon {
    width: 18px;
    font-size: 0.95rem;
  }

 .hero-title {
  width: min(310px, 64vw);
  margin: 20px auto 0;
  font-size: clamp(1.45rem, 7vw, 2.1rem);
  font-weight: 630;
  line-height: 1.08;
}
  .invite-copy {
    margin-top: 12px;
    font-size: 0.95rem;
  }

  .join-btn {
    width: min(230px, 64vw);
    min-height: 52px;
    font-size: 0.98rem;
    border-radius: 15px;
  }
}