/* =========================================================================
   SOLAR ENERGY — page: services
   A sticky index beside six alternating rows. Distinct from every other
   page by being a long read with a persistent wayfinder.
   ========================================================================= */

.svc-layout {
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: var(--section-y);
}

/* ---------------- sticky index ---------------- */
.svc-index {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
  align-self: start;
}
.svc-index__title {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.svc-index ol { counter-reset: svc; display: grid; gap: .1rem; }
.svc-index li { counter-increment: svc; }
.svc-index ol a {
  position: relative;
  display: block;
  padding: .6rem 0 .6rem 2.2rem;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-left: 2px solid var(--line);
  padding-left: 1.1rem;
  transition: color .3s var(--ease-out), border-color .3s, padding-left .3s;
}
.svc-index ol a::before {
  content: "0" counter(svc);
  position: absolute;
  left: 1.1rem;
  opacity: 0;
  font-size: .7rem;
  font-weight: 700;
  color: var(--sun-deep);
  transition: opacity .3s;
}
.svc-index ol a:hover { color: var(--text); }
.svc-index ol a.is-current {
  color: var(--brand);
  font-weight: 600;
  border-color: var(--brand);
  padding-left: 2.6rem;
}
.svc-index ol a.is-current::before { opacity: 1; }
.svc-index__cta { margin-top: 1.75rem; }

/* ---------------- service rows ---------------- */
.svc-rows { display: grid; gap: clamp(4rem, 9vw, 7rem); }

.svc {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1fr);
  gap: clamp(2rem, 4.5vw, 3.5rem);
  align-items: center;
  scroll-margin-top: calc(var(--header-h) + 2rem);
}
.svc--flip .svc__media { order: 2; }

.svc__media {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  transform-style: preserve-3d;
}
.svc__media img {
  width: 100%;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  transition: transform 1.1s var(--ease-out);
}
.svc__media:hover img { transform: scale(1.05); }
.svc__num {
  position: absolute;
  top: 1.1rem; left: 1.3rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.05em;
  color: rgba(255,255,255,.34);
  text-shadow: 0 2px 18px rgba(0,0,0,.4);
  pointer-events: none;
}

.svc__body .checklist { margin-top: 1.9rem; }
.svc__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* ---------------- comparison ---------------- */
.compare-section .compare-wrap {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.12);
}
.compare-section .compare thead th {
  background: rgba(255,255,255,.05);
  border-bottom-color: rgba(255,255,255,.12);
  color: rgba(255,255,255,.6);
}
.compare-section .compare tbody tr + tr { border-top-color: rgba(255,255,255,.08); }
.compare-section .compare tbody th { color: #fff; }
.compare-section .compare td { color: var(--text-light); }
.compare-section .compare .yes { color: var(--brand-300); }
.compare-section .compare .no  { color: #F09A9A; }
.compare-section .compare tbody tr:hover { background: rgba(255,255,255,.05); }

.cta-band__lead {
  max-width: 54ch;
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.7;
  color: rgba(42,24,3,.78);
}

@media (max-width: 1100px) {
  .svc-layout { grid-template-columns: 1fr; }
  .svc-index {
    position: static;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 1rem;
  }
  .svc-index ol {
    grid-auto-flow: column;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: .25rem 1rem;
  }
}
@media (max-width: 900px) {
  .svc { grid-template-columns: 1fr; }
  .svc--flip .svc__media { order: 0; }
  .svc__media { max-width: 560px; }
}
@media (max-width: 700px) {
  .svc-index ol { grid-template-columns: 1fr; grid-auto-flow: row; }
  .svc__foot { flex-direction: column; align-items: stretch; }
  .svc__foot .btn { justify-content: center; }
}