/* Service landing: chain hero, no photo. */

.hero-service {
  min-height: 0;
  align-items: stretch;
  overflow: visible;
  color: var(--ink);
}

.hero-service .site-nav {
  position: relative;
  inset: auto;
  padding: 1.1rem 0 0;
}

.hero-service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  grid-template-areas: "copy chain";
  gap: 1.4rem 3.2rem;
  align-items: start;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.4rem 0 4rem;
}

.hero-service .hero-copy {
  grid-area: copy;
  position: relative;
  z-index: 1;
  padding: 0;
}

.hero-service .deal-chain { grid-area: chain; }

.hero-service h1 {
  max-width: 16ch;
}

.hero-mark {
  display: inline-block;
  margin: 0.85rem 0 0;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.deal-chain {
  list-style: none;
  margin: 0;
  padding: 0.2rem 0 0;
  position: relative;
}

.deal-chain::before {
  content: "";
  position: absolute;
  left: 0.72rem;
  top: 1.1rem;
  bottom: 1.3rem;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.7;
}

.deal-chain li {
  position: relative;
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.85rem 1rem;
  padding: 0.55rem 0 0.95rem;
  animation: rise 0.7s ease both;
}

.deal-chain li:nth-child(1) { animation-delay: 0.05s; }
.deal-chain li:nth-child(2) { animation-delay: 0.12s; }
.deal-chain li:nth-child(3) { animation-delay: 0.2s; }
.deal-chain li:nth-child(4) { animation-delay: 0.28s; }
.deal-chain li:nth-child(5) { animation-delay: 0.36s; }

.deal-chain-node {
  width: 1.45rem;
  height: 1.45rem;
  margin-top: 0.12rem;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  background: var(--deep);
  box-shadow: 0 0 0 4px var(--deep);
}

.deal-chain li:nth-child(3) .deal-chain-node {
  background: var(--accent);
}

.deal-chain-num {
  display: block;
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.deal-chain h3 {
  margin: 0 0 0.2rem;
  font-size: 1.02rem;
  font-weight: 600;
  font-family: var(--font);
  letter-spacing: 0;
}

.deal-chain p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.6rem 2.4rem;
  align-items: start;
}

.guarantee-yes,
.guarantee-no {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.guarantee-yes li,
.guarantee-no li {
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.guarantee-no li {
  border-left-color: var(--line);
}

.guarantee-yes strong,
.guarantee-no strong {
  color: var(--ink);
}

.work-photos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 118px;
  gap: 0.55rem;
}

.work-photos a {
  display: block;
  overflow: hidden;
  border-radius: 14px;
  background: var(--cover-bg);
}

.work-photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.work-photos a:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

.work-photos a:nth-child(2),
.work-photos a:nth-child(5) {
  grid-row: span 2;
}

@media (max-width: 900px) {
  .hero-service-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "chain";
    gap: 1.6rem;
  }

  .guarantee-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .work-photos {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 140px;
  }

  .work-photos a:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }

  .work-photos a:nth-child(2),
  .work-photos a:nth-child(5) {
    grid-row: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .deal-chain li { animation: none; }
}