/* ── Hero: 立轴 hanging scroll ─────────────────────────────
   The page opens as a mounted scroll: a hanging cord descends
   to the seal, the seal stamps in, title lines rise like ink. */
.hero {
  position: relative;
  text-align: center;
  padding-block: var(--space-6) 6rem;
  display: grid;
  gap: var(--space-3);
  justify-items: center;
  min-height: 82vh;
}

/* hanging cord above the seal */
.hero-seal { position: relative; padding-top: 3.5rem; }
.hero-seal::before {
  content: "";
  position: absolute; top: 0; left: 50%;
  width: 1px; height: 3.5rem;
  background: linear-gradient(to bottom, transparent, var(--line-gold));
}
.hero-seal img {
  width: 84px; height: 84px;
  filter: drop-shadow(0 2px 3px rgba(31, 27, 22, 0.18));
}

.hero-eyebrow {
  font-family: var(--font-en);
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-size: var(--fs-sm);
  margin: 0;
}
.hero-title {
  font-family: var(--font-kai);
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  line-height: 1.4;
  margin: var(--space-2) 0 0;
  letter-spacing: .14em;
  text-indent: .14em; /* balance trailing letter-spacing on centered CJK */
}
.hero-sub { color: var(--ink-soft); font-size: var(--fs-lg); margin: 0; letter-spacing: .06em; }
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; margin-top: var(--space-4); }

/* 展卷 scroll cue */
.hero-cue {
  position: absolute; bottom: var(--space-4); left: 50%;
  transform: translateX(-50%);
  display: grid; justify-items: center; gap: var(--space-2);
  border: 0;
  color: var(--ink-mute);
  font-family: var(--font-kai);
  font-size: var(--fs-xs);
  letter-spacing: .5em; text-indent: .5em;
}
.hero-cue:hover { color: var(--seal); }
.hero-cue::after {
  content: "";
  width: 1px; height: 2.75rem;
  background: linear-gradient(to bottom, var(--line-gold), transparent);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-seal { animation: seal-stamp 0.9s cubic-bezier(0.2, 0.8, 0.3, 1) both; }
  .hero-eyebrow, .hero-title, .hero-sub, .hero-cta { animation: ink-rise 0.9s ease both; }
  .hero-eyebrow { animation-delay: 0.15s; }
  .hero-title { animation-delay: 0.3s; }
  .hero-sub { animation-delay: 0.5s; }
  .hero-cta { animation-delay: 0.65s; }
  .hero-cue { animation: ink-rise 0.9s ease 1s both; }
  .hero-cue::after { transform-origin: top; animation: cue-draw 2.6s ease-in-out 1.6s infinite; }
}
@keyframes seal-stamp {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes ink-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes cue-draw {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  75% { transform: scaleY(1); opacity: 0; }
  100% { transform: scaleY(0); opacity: 0; }
}

/* ── Services ─────────────────────────────────────────── */
.services-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.service-card {
  background: var(--paper-warm); padding: 0;
  border: 1px solid var(--line); border-radius: 2px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(31, 27, 22, 0.09); }
.service-thumb { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 0.7s ease; }
.service-card:hover .service-thumb { transform: scale(1.04); }
.service-card h3 { margin: var(--space-3) var(--space-3) var(--space-2); font-family: var(--font-kai); font-size: var(--fs-lg); }
.service-card p { margin: 0 var(--space-3) var(--space-3); color: var(--ink-soft); font-size: var(--fs-sm); flex: 1; }
.service-card a { display: block; padding: var(--space-2) var(--space-3); border-top: 1px solid var(--line); font-size: var(--fs-sm); color: var(--seal); text-decoration: none; text-align: center; transition: background 0.25s; }
.service-card a:hover { background: var(--paper); }

/* ── About ─────────────────────────────────────────────── */
.about-content { max-width: 60ch; margin: 0 auto; text-align: center; }
.about-content p { color: var(--ink-soft); font-size: var(--fs-base); line-height: var(--lh-base); margin-bottom: var(--space-4); }
.about-content .seal {
  font-size: var(--fs-xl);
  transform: rotate(-4deg); /* hand-stamped, not typeset */
  box-shadow: inset 0 0 0 1px rgba(245, 241, 232, 0.35);
}

/* ── Why us ────────────────────────────────────────────── */
.why-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.why-list li { padding: var(--space-3); background: var(--paper-warm); border-left: 3px solid var(--gold); font-size: var(--fs-sm); color: var(--ink-soft); }

/* ── Closing CTA: 天地杆 top & bottom rods ─────────────── */
.closing-cta { position: relative; text-align: center; padding-block: var(--space-6); }
.closing-cta::before, .closing-cta::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  width: min(100%, 36rem); height: 1px;
  background: linear-gradient(to right, transparent, var(--line-gold), transparent);
}
.closing-cta::before { top: 0; }
.closing-cta::after { bottom: 0; }
.closing-title { font-family: var(--font-kai); font-size: var(--fs-2xl); color: var(--ink); margin-bottom: var(--space-4); letter-spacing: .08em; }