:root {
  --ink: #0a0a0a;
  --cinnabar: #a8312b;
  --cinnabar-dark: #8a2520;
  --cream: #f5efe6;
  --gold: #b8935a;
  --paper: #fffaf2;
  --charcoal: #1c1c1c;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display { font-family: 'Playfair Display', Georgia, serif; letter-spacing: -0.01em; }
.kanji { font-family: 'Noto Serif JP', serif; }

.hero-mask {
  background:
    linear-gradient(180deg, rgba(10,10,10,0.0) 0%, rgba(10,10,10,0.55) 70%, rgba(10,10,10,0.85) 100%),
    radial-gradient(circle at 70% 30%, rgba(168,49,43,0.35), transparent 55%);
}

.kanji-watermark {
  position: absolute;
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  color: rgba(245,239,230,0.06);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.rule-cinnabar { border-left: 3px solid var(--cinnabar); padding-left: 1rem; }
.divider-gold { height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }

.btn-primary {
  display: inline-block;
  background: var(--cinnabar); color: white; padding: 0.85rem 1.6rem; border-radius: 2px;
  font-weight: 500; letter-spacing: 0.03em; transition: background 0.2s, transform 0.2s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--cinnabar-dark); transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  border: 1px solid var(--ink); color: var(--ink); padding: 0.8rem 1.6rem; border-radius: 2px;
  background: transparent; transition: all 0.2s;
  text-decoration: none;
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost-light { border-color: rgba(245,239,230,0.6); color: var(--cream); }
.btn-ghost-light:hover { background: var(--cream); color: var(--ink); }

.stat-card {
  background: var(--paper); border: 1px solid rgba(10,10,10,0.08); padding: 1.5rem;
  border-radius: 4px; transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -12px rgba(10,10,10,0.18); }
.stat-card .num { font-family: 'Playfair Display', serif; font-size: 2.75rem; color: var(--cinnabar); line-height: 1; }
.stat-card .label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(10,10,10,0.55); }

.timeline-item { position: relative; padding-left: 2.5rem; padding-bottom: 3rem; border-left: 2px solid rgba(184,147,90,0.4); opacity: 0; transform: translateY(12px); transition: opacity 0.6s ease, transform 0.6s ease; }
.timeline-item.is-visible { opacity: 1; transform: none; }
.timeline-item::before {
  content: ''; position: absolute; left: -8px; top: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--cinnabar); border: 3px solid var(--paper);
  transition: box-shadow 0.4s ease;
}
.timeline-item.is-visible::before { box-shadow: 0 0 0 6px rgba(168,49,43,0.18); }
.timeline-item .year {
  display: inline-block; font-family: 'Playfair Display', serif; font-size: 1.4rem;
  color: var(--cinnabar); margin-bottom: 0.25rem;
}

.lightbox-backdrop {
  position: fixed; inset: 0; background: rgba(10,10,10,0.92);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.lightbox-backdrop.open { opacity: 1; pointer-events: auto; }
.lightbox-img { max-width: 92vw; max-height: 88vh; box-shadow: 0 20px 80px rgba(0,0,0,0.6); }
.lightbox-close { position: absolute; top: 1.5rem; right: 2rem; color: var(--paper); font-size: 2.4rem; line-height: 1; background: none; border: 0; cursor: pointer; padding: 0.25rem 0.6rem; }
.lightbox-close:focus { outline: 2px solid var(--cinnabar); outline-offset: 4px; }

.nav-link { position: relative; padding: 0.4rem 0; }
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--cinnabar); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.gallery-thumb {
  display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; border: 0; padding: 0; cursor: pointer; background: var(--charcoal);
  border-radius: 2px;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-thumb:hover img { transform: scale(1.04); }

.pull-quote {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  line-height: 1.4;
  border-left: 3px solid var(--cinnabar);
  padding-left: 1.5rem;
  color: rgba(10,10,10,0.85);
}

.callout {
  border: 1px solid var(--gold);
  background: rgba(184,147,90,0.08);
  padding: 1.25rem 1.5rem;
  border-radius: 2px;
}
.callout-warn { border-color: var(--cinnabar); background: rgba(168,49,43,0.06); }

.section-eyebrow {
  font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--cinnabar); font-weight: 600;
}

.fee-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px dashed rgba(10,10,10,0.12); }
.fee-row:last-child { border-bottom: 0; }
.fee-row .fee-amt { font-family: 'Playfair Display', serif; color: var(--cinnabar); }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; background: rgba(10,10,10,0.15); border-radius: 2px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; background: var(--cinnabar); border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; background: var(--cinnabar); border-radius: 50%; cursor: pointer; border: 0;
}

.calc-output {
  font-family: 'Playfair Display', serif; font-size: 2.5rem; color: var(--cinnabar);
}

.eligible-row { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid rgba(245,239,230,0.12); }
.eligible-row.head { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); border-bottom-color: var(--gold); }

@media (max-width: 720px) {
  .eligible-row { grid-template-columns: 1fr 1fr; }
  .eligible-row .resale { grid-column: span 2; color: rgba(245,239,230,0.7); font-size: 0.85rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .timeline-item { opacity: 1; transform: none; }
}