/* ================= Product detail view ================= */
body.no-scroll { overflow: hidden; }
.detail { position: fixed; inset: 0; z-index: 100; display: flex; justify-content: flex-end; }
.detail[hidden] { display: none; }
.detail__backdrop { position: absolute; inset: 0; background: rgba(6,33,14,.55); backdrop-filter: blur(6px); opacity: 0; transition: opacity .25s; }
.detail__panel {
  position: relative; width: min(1040px, 100%); height: 100%; overflow-y: auto; background: #fff;
  box-shadow: -30px 0 80px -20px rgba(0,0,0,.35); transform: translateX(40px); opacity: 0;
  transition: transform .3s ease, opacity .25s; outline: none; overscroll-behavior: contain;
}
.detail.show .detail__backdrop { opacity: 1; }
.detail.show .detail__panel { transform: none; opacity: 1; }
.detail__close {
  position: sticky; top: 18px; float: right; margin: 18px 18px 0 0; z-index: 2; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 1rem; color: var(--forest); box-shadow: var(--shadow);
  transition: transform .2s, background .2s;
}
.detail__close:hover { transform: rotate(90deg); background: var(--green-50); }
.detail__content { padding: 56px 56px 40px; }

.dt__head { max-width: 760px; }
.dt__head h2 { font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: 800; color: var(--forest); margin-bottom: .3em; }
.dt__tagline { font-family: var(--font-head); font-size: 1.15rem; font-weight: 600; color: var(--green-600); }
.dt__summary { color: var(--muted); }
.dt__cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; }

/* gallery */
.gal { margin-top: 40px; }
.gal__stage { position: relative; }
.gal__stage::before { content: ""; position: absolute; inset: 6% -2% -4% 3%; border-radius: 24px; background: linear-gradient(135deg, rgba(62,207,94,.18), rgba(25,160,160,.12)); }
.gal__stage .window { position: relative; }
.gal__zoom { display: block; width: 100%; padding: 0; border: 0; background: #f4f5fb; cursor: zoom-in; }
.gal__zoom img { width: 100%; height: auto; transition: opacity .15s; }
.gal__zoom img.fade { opacity: 0; }
.gal__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(255,255,255,.92); box-shadow: var(--shadow); font-size: 1.6rem; line-height: 1; color: var(--forest); cursor: pointer; z-index: 2;
  transition: background .2s, transform .2s;
}
.gal__nav:hover { background: var(--green-50); transform: translateY(-50%) scale(1.06); }
.gal__nav--prev { left: -18px; } .gal__nav--next { right: -18px; }
.gal__cap { margin: 18px 0 0; text-align: center; color: var(--muted); font-size: .92rem; }
.gal__thumbs { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.gal__thumbs button {
  width: 132px; aspect-ratio: 16/8; padding: 0; border-radius: 10px; overflow: hidden; cursor: pointer;
  border: 2px solid transparent; background: #f4f5fb; opacity: .6; transition: opacity .2s, border-color .2s, transform .2s;
}
.gal__thumbs button:hover { opacity: 1; transform: translateY(-2px); }
.gal__thumbs button.on { opacity: 1; border-color: var(--green); }
.gal__thumbs img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.gal--mock .window { max-width: 620px; margin: 0 auto; }
.dt__chips--all span { background: #fff; border-color: var(--line); color: var(--forest); font-weight: 500; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(4,18,8,.92); display: flex; align-items: center; justify-content: center; padding: 30px 80px; opacity: 0; transition: opacity .2s; }
.lightbox[hidden] { display: none; }
.lightbox.show { opacity: 1; }
.lightbox figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lightbox img { max-width: 100%; max-height: calc(100vh - 110px); border-radius: 12px; box-shadow: 0 30px 80px rgba(0,0,0,.5); background: #fff; }
.lightbox figcaption { color: rgba(255,255,255,.8); font-size: .92rem; text-align: center; }
.lb__btn { position: absolute; border: 0; background: rgba(255,255,255,.1); color: #fff; width: 50px; height: 50px; border-radius: 50%; font-size: 1.6rem; cursor: pointer; transition: background .2s; }
.lb__btn:hover { background: rgba(62,207,94,.35); }
.lb__close { top: 20px; right: 20px; font-size: 1.1rem; }
.lb__prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lb__next { right: 20px; top: 50%; transform: translateY(-50%); }

/* main-page screenshot badge */
.shot { position: relative; }
.shot img { width: 100%; height: auto; background: #f4f5fb; }
.shot__badge {
  position: absolute; right: 14px; bottom: -14px; z-index: 2; background: var(--forest); color: #fff; font-size: .8rem; font-weight: 600;
  padding: .45em .95em; border-radius: 999px; box-shadow: var(--shadow); transition: transform .2s;
}
.shot:hover .shot__badge { transform: translateY(-3px); background: var(--green-600); }

.dt__facts { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin: 44px 0 0; padding: 22px; border-radius: 18px; background: var(--forest); }
.dt__facts div { padding: 4px 10px; border-left: 2px solid rgba(62,207,94,.4); }
.dt__facts dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: rgba(255,255,255,.55); }
.dt__facts dd { margin: 4px 0 0; color: #fff; font-weight: 600; font-size: .95rem; }

.dt__block { margin-top: 52px; }
.dt__block h3, .dt__banner h3 { font-size: 1.5rem; color: var(--forest); }
.dt__modules { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.dt__mod { border: 1px solid var(--line); border-radius: 16px; padding: 22px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.dt__mod:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cdebd5; }
.dt__mod span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--green-50); font-size: 1.3rem; margin-bottom: 12px; }
.dt__mod h4 { font-size: 1.05rem; color: var(--forest); margin-bottom: .35em; }
.dt__mod p { margin: 0; color: var(--muted); font-size: .92rem; }

.dt__flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.dt__flow li { position: relative; padding: 18px; border-radius: 14px; background: var(--bg-alt); font-weight: 600; color: var(--forest); font-size: .95rem; }
.dt__flow li:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%); color: var(--green-600); font-weight: 700; z-index: 1; }
.dt__flow b { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: #fff; margin-bottom: 10px; font-size: .85rem; }

.dt__split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.dt__chips { display: flex; flex-wrap: wrap; gap: 10px; }
.dt__chips span { padding: .55em 1.1em; border-radius: 999px; border: 1px solid #cfe9d6; background: var(--green-50); color: #1a8a38; font-weight: 600; font-size: .9rem; }
.dt__split .checks { margin-top: 0; }

.dt__banner {
  margin-top: 52px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 30px 34px; border-radius: 20px; background: linear-gradient(120deg, var(--green-50), #e6f7f5); border: 1px solid #d5efdc;
}
.dt__banner h3 { margin-bottom: .2em; }
.dt__banner p { margin: 0; color: var(--muted); }
.dt__pager { display: flex; justify-content: space-between; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); font-weight: 600; }
.dt__pager a { color: var(--muted); }
.dt__pager a:hover { color: var(--green-600); }

@media (max-width: 900px) {
  .detail__content { padding: 30px 22px; }
  .dt__split { grid-template-columns: 1fr; gap: 30px; }
  .gal__nav--prev { left: 6px; } .gal__nav--next { right: 6px; }
  .gal__nav { width: 38px; height: 38px; font-size: 1.3rem; }
  .gal__thumbs button { width: 92px; }
  .lightbox { padding: 20px 10px 70px; }
  .lb__prev, .lb__next { top: auto; bottom: 14px; transform: none; }
  .dt__facts { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .dt__modules, .dt__flow { grid-template-columns: 1fr 1fr; }
  .dt__flow li::after { display: none; }
}
@media (max-width: 560px) {
  .dt__modules, .dt__flow { grid-template-columns: 1fr; }
  .dt__pager { flex-direction: column; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .detail__panel, .detail__backdrop { transition: none; }
}