/* RKV individuelle Erweiterungen – Letzte Aenderung am 31.08.2026 10:22 */

.extensions-page { padding-bottom: 24px; }
.extension-hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 40px; padding-block: 72px 48px; }
.extension-hero-copy h1 { margin: 0; color: var(--rkv-navy); font: 850 clamp(2.6rem, 4.6vw, 4.6rem)/1.06 var(--rkv-font-display); letter-spacing: -.045em; }
.extension-hero-copy > p:not(.eyebrow) { color: var(--rkv-text-soft); }
.extension-hero-copy .extension-lead { color: var(--rkv-text); font-size: 1.15rem; line-height: 1.7; }
.extension-house { min-width: 0; margin: 0; }
.extension-house img { width: 100%; height: auto; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); box-shadow: var(--rkv-shadow); }
.extension-house figcaption, .extension-footnote { color: var(--rkv-text-soft); font-size: .8rem; line-height: 1.6; }
.extension-house figcaption { padding: 12px 4px; }
.extension-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 28px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-bg-card); }
.extension-principles > div { display: flex; gap: 14px; align-items: start; }
.extension-principles > div > span { color: var(--rkv-green-deep); font: 800 1.35rem var(--rkv-font-display); }
.extension-principles p { margin: 0; color: var(--rkv-text-soft); font-size: .88rem; }
.extension-principles strong { display: block; margin-bottom: 6px; color: var(--rkv-navy); font-size: 1rem; }
.extension-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.extension-card { display: flex; min-width: 0; flex-direction: column; gap: 14px; padding: 26px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-bg-card); transition: border-color .18s ease, box-shadow .18s ease; }
.extension-card:hover, .extension-card:focus-within { border-color: var(--rkv-green-deep); box-shadow: var(--rkv-shadow); }
.extension-card-primary { border-top: 4px solid var(--rkv-green-deep); }
.extension-card-heading { display: flex; gap: 14px; align-items: center; }
.extension-card-heading .module-icon { flex: 0 0 48px; width: 48px; height: 48px; margin: 0; }
.extension-card-heading h3, .extension-day h3, .extension-demo-note h3 { margin: 0; color: var(--rkv-navy); font: 800 1.15rem/1.35 var(--rkv-font-display); }
.extension-card > p { margin: 0; color: var(--rkv-text-soft); font-size: .94rem; }
.extension-card .extension-card-promise { color: var(--rkv-navy); font-weight: 800; }
.extension-card details { margin-top: auto; border-top: 1px solid var(--rkv-border); overflow-anchor: none; }
.extension-card details * { overflow-anchor: none; }
.extension-card summary { min-height: 48px; padding-block: 14px 8px; color: var(--rkv-blue); font-weight: 800; font-size: .88rem; cursor: pointer; }
.extension-card details[open] summary { color: var(--rkv-green-deep); }
.extension-card details p { margin: 8px 0 0; padding: 14px; border-radius: var(--rkv-radius-tile); background: var(--rkv-green-soft); color: var(--rkv-text); font-size: .9rem; }
.extension-note { margin-top: 24px; padding: 24px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-green-soft); }
.extension-note strong { color: var(--rkv-navy); }
.extension-scenes { padding: 42px; border-radius: var(--rkv-radius-card); background: var(--rkv-navy-deep); color: #fff; }
.extension-scenes .section-heading h2, .extension-scenes .section-heading > p:last-child, .extension-day h3 { color: #fff; }
.extension-scenes .eyebrow { color: var(--rkv-mint); }
.extension-day { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; padding: 0; margin: 36px 0 0; list-style: none; }
.extension-day li { min-width: 0; padding-top: 24px; border-top: 2px solid var(--rkv-green); }
.extension-day .module-icon { margin-bottom: 22px; }
.extension-day li > p:last-child { margin-bottom: 0; color: #d7e9f5; }
.extension-demo-note { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 28px; margin-top: 24px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-bg-card); }
.extension-demo-note p { margin-bottom: 0; color: var(--rkv-text-soft); }
.extension-module-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.extension-module-links a { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 64px; padding: 20px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-tile); background: var(--rkv-bg-card); color: var(--rkv-blue); font-weight: 800; text-decoration: none; }
.extension-module-links a:hover { border-color: var(--rkv-green-deep); }
.extension-module-links a span { color: var(--rkv-green-deep); }
.extension-ha-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.extension-ha-grid article { padding: 24px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-bg-card); }
.extension-ha-grid h3 { color: var(--rkv-navy); font: 800 1.1rem var(--rkv-font-display); }
.extension-ha-grid p { color: var(--rkv-text-soft); }
.extension-planning .hero-actions { margin-top: 28px; }
@media (max-width: 1050px) {
  .extension-hero { grid-template-columns: 1fr; gap: 28px; }
  .extension-hero-copy { max-width: 780px; }
  .extension-house { max-width: 860px; }
  .extension-grid, .extension-module-links, .extension-ha-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .extension-principles { gap: 16px; }
}
@media (max-width: 760px) {
  .extension-hero { padding-block: 42px 24px; }
  .extension-hero-copy h1 { font-size: clamp(2.45rem, 10vw, 3.8rem); }
  .extension-grid, .extension-principles, .extension-day, .extension-demo-note, .extension-ha-grid { grid-template-columns: 1fr; }
  .extension-card, .extension-principles, .extension-scenes, .extension-demo-note { padding: 22px 18px; }
  .extension-module-links { grid-template-columns: 1fr; }
  .extension-principles { gap: 22px; }
  .extension-demo-note .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .extension-card { transition: none; }
}

/* Local illustration explorer: no simulated HA states or device controls. */
.house-point-light { left: 43%; top: 51%; }
.house-point-thermostat { left: 68%; top: 49%; }
.house-point-camera { left: 89%; top: 21%; }
.house-point-shutters { left: 30%; top: 23%; }
.house-point-climate { left: 87%; top: 46%; }
.house-point-robot { left: 39%; top: 71%; }
.house-point-plants { left: 91%; top: 66%; }
.house-point-pool { left: 24%; top: 77%; }
.house-point-irrigation { left: 74%; top: 84%; }
.house-point-energy_hub { left: 62%; top: 13%; }
.house-image-map { position: relative; isolation: isolate; }
.house-points { position: absolute; inset: 0; }
.house-point { position: absolute; display: grid; place-items: center; width: 44px; height: 44px; padding: 9px; transform: translate(-50%, -50%); border: 0; border-radius: var(--rkv-radius-control); background: transparent; color: var(--rkv-navy); cursor: pointer; }
.house-point svg { width: 26px; height: 26px; padding: 5px; border: 1px solid var(--rkv-border-strong); border-radius: var(--rkv-radius-control); background: rgba(255,255,255,.88); fill: currentColor; box-shadow: 0 1px 4px rgba(7,31,54,.12); transition: background .15s ease, border-color .15s ease; }
.house-point-label { position: absolute; top: calc(100% - 4px); left: 50%; display: none; padding: 4px 7px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-control); transform: translateX(-50%); background: var(--rkv-bg-card); color: var(--rkv-navy-deep); font-size: .7rem; font-weight: 750; line-height: 1.3; white-space: nowrap; pointer-events: none; }
.house-point:hover, .house-point:focus-visible, .house-point[aria-pressed="true"] { z-index: 2; }
.house-point:hover svg, .house-point:focus-visible svg, .house-point[aria-pressed="true"] svg { background: var(--rkv-green-soft); border-color: var(--rkv-green-deep); }
.house-point:hover .house-point-label, .house-point:focus-visible .house-point-label, .house-point[aria-pressed="true"] .house-point-label { display: block; }
.house-point-camera .house-point-label, .house-point-plants .house-point-label, .house-point-climate .house-point-label { left: auto; right: -4px; transform: none; }
.house-explorer-controls { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 10px 14px; align-items: center; margin-top: 4px; }
.house-explorer-hint { grid-column: 1 / -1; margin: 0; color: var(--rkv-navy); font-size: .9rem; font-weight: 750; }
.house-explorer-controls label { color: var(--rkv-text-soft); font-size: .85rem; font-weight: 750; }
.house-explorer-controls select { min-width: 0; min-height: 44px; padding: 10px 12px; border: 1px solid var(--rkv-border-strong); border-radius: var(--rkv-radius-control); color: var(--rkv-navy); background: var(--rkv-bg-card); }
.house-info { height: 310px; overflow: auto; overflow-anchor: none; margin-top: 14px; padding: 22px; border: 1px solid var(--rkv-border); border-radius: var(--rkv-radius-card); background: var(--rkv-bg-card); }
.house-info * { overflow-anchor: none; }
.house-info h2 { margin: 0; color: var(--rkv-navy); font: 800 1.4rem/1.3 var(--rkv-font-display); }
.house-info p:not(.eyebrow) { margin: 12px 0 0; color: var(--rkv-text-soft); font-size: .9rem; }
.house-info .house-info-promise { color: var(--rkv-navy); font-weight: 800; }
.house-info .house-info-example { padding-top: 12px; border-top: 1px solid var(--rkv-border); color: var(--rkv-text); }
.house-info p:empty { display: none; }
.house-info .text-link { display: inline-flex; min-height: 44px; align-items: center; margin-top: 12px; }
@media (max-width: 540px) {
  .house-explorer-controls { grid-template-columns: 1fr; }
  .house-info { height: 340px; padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { .house-point svg { transition: none; } }