:root {
  --obsidian: #0A0A0A;
  --crimson: #7A0019;
  --silver: #D7D7D7;
  --white-clean: #F5F5F5;
  --glow-crimson: rgba(122, 0, 25, 0.15);
}

html, body { background: var(--obsidian); color: var(--white-clean); }
::selection { background: var(--crimson); color: var(--white-clean); }

.font-display { font-family: "Cormorant Garamond", serif; font-weight: 400; letter-spacing: -0.02em; }

.glass-nav {
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(215, 215, 215, 0.06);
}

.crimson-glow {
  background: radial-gradient(circle at center, var(--glow-crimson) 0%, transparent 70%);
}

.btn-allocation {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--white-clean);
  border: 1px solid rgba(215, 215, 215, 0.25);
  background: linear-gradient(180deg, rgba(122,0,25,0.0) 0%, rgba(122,0,25,0.15) 100%);
  transition: all 400ms cubic-bezier(0.22, 1, 0.36, 1);
  cursor: pointer;
}
.btn-allocation:hover {
  border-color: var(--crimson);
  background: linear-gradient(180deg, rgba(122,0,25,0.2) 0%, rgba(122,0,25,0.5) 100%);
  box-shadow: 0 0 40px rgba(122,0,25,0.4);
}

.text-eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--silver);
  font-weight: 400;
}

.hairline { height: 1px; background: linear-gradient(90deg, transparent, rgba(215,215,215,0.25), transparent); }

.hero-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* Feature card top accent */
.feature .feature-top {
  position: absolute; inset-inline: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, transparent, transparent);
  transition: background 700ms;
}
.feature:hover .feature-top {
  background: linear-gradient(90deg, transparent, var(--crimson), transparent);
}
.feature .feature-spec { opacity: 0; transition: opacity 500ms; }
.feature:hover .feature-spec { opacity: 1; }

.testimonial:hover .testimonial-bar { width: 3rem; background: var(--crimson); }

/* Animations */
@keyframes scroll-hint {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-scroll-hint { animation: scroll-hint 2s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 6s ease-in-out infinite; transform-origin: center; }
.animate-fade-up { animation: fade-up 1s cubic-bezier(0.22, 1, 0.36, 1) both; }