.installation-page { width: min(920px, calc(100% - 40px)); margin: 0 auto 80px; line-height: 1.7; }
.installation-page h1, .installation-page h2 { font-family: var(--font-lora), Georgia, serif; line-height: 1.2; }
.installation-page h1 { font-size: clamp(36px, 6vw, 64px); max-width: 760px; margin: 20px 0; }
.installation-page h2 { font-size: clamp(26px, 4vw, 36px); margin: 12px 0 20px; }
.installation-page h3 { font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
.installation-page p { color: var(--muted); margin: 10px 0; }
.installation-page a { text-decoration: underline; text-underline-offset: 4px; }
.installation-page a:focus-visible, .installation-page summary:focus-visible { outline: 3px solid var(--orange); outline-offset: 5px; }
.installation-hero { padding: 36px 0; }
.installation-hero .eyebrow { margin-top: 32px; }
.installation-lead { font-size: 21px; max-width: 760px; }
.device-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 30px 0 18px; }
.device-nav a { display: flex; flex-direction: column; background: var(--green); color: white; border-radius: 16px; padding: 24px; text-decoration: none; }
.device-nav a:hover { background: #235c35; }
.device-nav strong { font-size: 25px; }
.device-nav span { margin-top: 5px; }
.installation-small, .installation-source { font-size: 14px; }
.installation-note { background: var(--cream); border-left: 4px solid var(--green-bright); border-radius: 0 16px 16px 0; padding: 24px 28px; }
.installation-note h2 { font-size: 23px; margin-top: 0; }
.device-section, .installation-help { padding-top: 56px; scroll-margin-top: 24px; }
.installation-steps { list-style: none; padding: 0; margin: 28px 0; counter-reset: step; }
.installation-steps > li { counter-increment: step; position: relative; padding: 24px 24px 24px 80px; margin: 14px 0; border: 1px solid #dce4d8; border-radius: 16px; background: #fff; }
.installation-steps > li::before { content: counter(step); position: absolute; left: 22px; top: 24px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: #fff; font-weight: 900; }
.installation-help details { border-bottom: 1px solid #dce4d8; padding: 20px 0; }
.installation-help summary { cursor: pointer; font-weight: 900; font-size: 18px; }
.installation-contact { margin-top: 44px; background: var(--cream); border-radius: 20px; padding: 28px; }
.installation-shot { margin: 20px 0 0; }
.installation-shot img { display: block; width: 100%; max-width: 360px; height: auto; border: 1px solid #dce4d8; border-radius: 12px; }
.installation-shot figcaption { font-size: 14px; margin-top: 10px; color: var(--muted); }
@media (max-width: 580px) {
  .device-nav { grid-template-columns: 1fr; gap: 12px; }
  .device-nav a { padding: 18px 22px; }
  .installation-lead { font-size: 18px; }
  .installation-note { padding: 20px; }
  .installation-steps > li { padding: 22px 18px 22px 62px; }
  .installation-steps > li::before { left: 15px; width: 32px; height: 32px; }
}