:root {
  --brand: #1FB6D5;
  --brand-dark: #0C8FB0;
  --brand-glow: rgba(31, 182, 213, 0.35);
  --bg: #F3F8FC;
  --surface: rgba(255, 255, 255, 0.86);
  --text: #0F172A;
  --muted: #64748B;
  --border: rgba(15, 23, 42, 0.10);
  --nav-h: 80px;
  --radius: 34px;
}

/* Background Blobs */
.bg-blobs {
  position: fixed; inset: 0; z-index: -1;
  filter: blur(80px);
}
.blob {
  position: absolute; width: 600px; height: 600px;
  background: var(--brand-glow); border-radius: 50%;
  animation: move 20s infinite alternate;
}
.blob-1 { top: -150px; left: -150px; }
.blob-2 { bottom: -200px; right: -150px; background: rgba(31, 182, 213, 0.15); animation-delay: -5s; }

@keyframes move {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(120px, 80px) scale(1.1); }
}

/* NAV */
.racf-nav {
  height: var(--nav-h);
  background: rgba(var(--bg), 0.5);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: fixed; top: 0; width: 100%; z-index: 1000;
  display: flex; align-items: center;
}

/* CONTENT */
.main-container {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 60px 20px; margin-top: var(--nav-h);
}

.glass-card {
  background: var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%; max-width: 580px;
  padding: 60px 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
  text-align: center;
}

/* OFFICIAL SAD LOGO STYLING */
.sad-logo {
  width: 140px;
  height: auto;
  margin-bottom: 30px;
  filter: drop-shadow(0 15px 30px var(--brand-glow));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.title { font-weight: 900; letter-spacing: -0.05em; font-size: 2.2rem; margin-bottom: 15px; line-height: 1.2; }
.title span { color: var(--brand); }

.subtitle { color: var(--muted); font-weight: 600; font-size: 1.1rem; line-height: 1.6; margin-bottom: 35px; }

/* BUTTONS */
.btn-main {
  background: var(--brand);
  color: white; border: none; padding: 16px 35px; border-radius: 18px;
  font-weight: 800; font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px -5px var(--brand-glow);
  text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
}
.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px var(--brand-glow);
  filter: brightness(1.05);
  color: white;
}