.spulo-page {
  --spulo-green: #b5ff3d;
  --spulo-cyan: #48f5ff;
  --spulo-panel: rgba(8, 13, 17, 0.9);
  background: #030608;
}

.spulo-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.32;
  background:
    linear-gradient(rgba(72, 245, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 245, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 20% 10%, rgba(181, 255, 61, 0.09), transparent 30rem);
  background-size: 42px 42px, 42px 42px, auto;
}

.spulo-page .topbar { background: rgba(3, 6, 8, 0.9); backdrop-filter: blur(16px); }
.spulo-page .nav a.active,
.spulo-page .nav a:hover { color: var(--spulo-green); }
.spulo-page .nav a::after { background: var(--spulo-green); }

.spulo-head {
  padding: clamp(2rem, 5vw, 4.25rem) 0 2rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.spulo-kicker {
  color: var(--spulo-green);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.spulo-head h1 {
  margin: 0.35rem 0 0;
  font: 800 clamp(3.5rem, 10vw, 8rem)/0.9 var(--font-heading);
  letter-spacing: -0.08em;
}

.spulo-head h1 span { color: var(--spulo-green); }
.spulo-head p { max-width: 44rem; margin: 1rem 0 0; color: var(--muted); font-size: 1rem; }

.spulo-open {
  flex: 0 0 auto;
  padding: 0.75rem 1.1rem;
  border: 1px solid rgba(181, 255, 61, 0.4);
  border-radius: 999px;
  color: var(--spulo-green);
  font-size: 0.82rem;
  font-weight: 700;
}

.spulo-open:hover { color: #061006; background: var(--spulo-green); }

.spulo-frame-section {
  overflow: hidden;
  border: 1px solid rgba(72, 245, 255, 0.2);
  border-radius: 18px;
  background: var(--spulo-panel);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.48), 0 0 55px rgba(72, 245, 255, 0.05);
}

.spulo-frame-bar {
  min-height: 3.2rem;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(72, 245, 255, 0.14);
  color: #dce8ea;
  font-size: 0.75rem;
}

.spulo-frame-bar span { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 700; }
.spulo-frame-bar i { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--spulo-green); box-shadow: 0 0 16px rgba(181, 255, 61, 0.8); }
.spulo-frame-bar small { color: var(--muted); }
.spulo-frame-wrap { position: relative; min-height: 680px; background: #05080a; }
.spulo-frame-wrap iframe { display: block; width: 100%; height: min(78vh, 880px); min-height: 680px; border: 0; background: #05080a; }

.spulo-notes {
  padding: 1rem 0 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.spulo-notes article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(9, 14, 18, 0.72);
}

.spulo-notes strong,
.spulo-notes span { display: block; }
.spulo-notes strong { color: #eaf6f4; font-size: 0.82rem; }
.spulo-notes span { margin-top: 0.25rem; color: var(--muted); font-size: 0.74rem; line-height: 1.5; }
.spulo-page .site-footer { align-items: center; }
.spulo-page .site-footer > div:first-child { display: flex; align-items: center; gap: 0.45rem; }
.spulo-page .site-footer .brand-mark-img { height: 2rem; width: auto; }

@media (max-width: 720px) {
  .spulo-head { align-items: start; flex-direction: column; gap: 1rem; }
  .spulo-frame-wrap,
  .spulo-frame-wrap iframe { min-height: 620px; height: 72vh; }
  .spulo-frame-bar { align-items: start; flex-direction: column; gap: 0.25rem; }
  .spulo-notes { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .spulo-page *,
  .spulo-page *::before,
  .spulo-page *::after { transition: none !important; animation: none !important; }
}