.stage-page { background: #fff; color: #10191d; }
.stage-detail { padding: 120px 0 52px; }
.stage-detail .breadcrumb { margin: 12px 0 28px; flex-wrap: wrap; }
.stage-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.stage-layout.is-kit { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.05fr) minmax(250px, .7fr); }
.stage-photo { position: relative; overflow: hidden; border-radius: 20px; background: #eef3ed; }
.stage-photo > img { display: block; width: 100%; height: auto; aspect-ratio: 1.5; object-fit: cover; }
.stage-photo .build-stage-label { top: 20px; left: 20px; }
.stage-summary h1 { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.12; margin: 0 0 18px; letter-spacing: -.035em; }
.stage-summary > p { font-size: 1.15rem; line-height: 1.6; margin-bottom: 24px; }
.stage-kit-label { display: inline-block; padding: 8px 20px; background: var(--green-3); border-radius: 30px; font-weight: 900; margin-bottom: 18px; }
.stage-checks { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 14px; }
.stage-checks li { display: flex; align-items: start; gap: 12px; line-height: 1.5; }
.stage-checks li::before { content: '✓'; background: #55b50c; color: white; border-radius: 50%; flex: 0 0 24px; text-align: center; font-weight: 900; }
.stage-learning { border: 1px solid #e3e8e1; border-radius: 18px; padding: 20px 24px; margin-top: 24px; box-shadow: 0 2px 8px #10201008; }
.stage-learning h2 { display: inline-block; margin: -20px 0 0 -24px; padding: 10px 24px; background: #4cad0b; color: #fff; border-radius: 18px 0 18px 0; font-size: 1.3rem; }
.stage-feature-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin: 26px 0; }
.stage-feature-row > div { display: flex; gap: 10px; align-items: center; font-weight: 800; font-size: .92rem; }
.stage-icon { color: #4bad0b; width: 34px; height: 34px; flex: 0 0 34px; }
.stage-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.stage-offer { border-top: 1px solid #e4e8e1; padding-top: 22px; }
.is-kit .stage-offer { border: 1px solid #e7e9e4; border-radius: 20px; padding: 24px 18px; box-shadow: 0 4px 16px #0b191411; }
.stage-offer .build-stage-price { display: grid; gap: 5px; margin-bottom: 26px; }
.stage-offer .build-stage-price strong { font-size: clamp(2rem, 3.4vw, 3.2rem); }
.stage-payments { border: 1px solid #8a958e; border-radius: 14px; padding: 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin: 22px 0; }
.stage-payments > span { font-weight: 800; }
.stage-bitcoin { color: #202920; display: flex; align-items: center; gap: 8px; }
.stage-bitcoin b { background: #ff9500; color: white; border-radius: 50%; padding: 3px 11px; font-size: 1.5rem; }
.stage-stripe { color: #6f6693; display: grid; text-align: center; }
.stage-stripe b { font-size: 1.6rem; }
.stage-stripe small { color: #68706a; }
.stage-sales { width: 100%; justify-content: center; text-align: center; min-height: 54px; white-space: normal; }
.stage-quantity { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 18px 0; font-weight: 800; }
.stage-quantity-controls { display: flex; align-items: center; border: 1px solid #dce1da; border-radius: 24px; overflow: hidden; }
.stage-quantity button { border: 0; background: white; font-size: 1.3rem; width: 38px; height: 40px; cursor: pointer; }
.stage-quantity input { border: 0; width: 48px; padding: 4px; text-align: center; appearance: textfield; }
.stage-quantity input::-webkit-inner-spin-button { appearance: none; }
.stage-kit-note { display: flex; align-items: center; gap: 16px; background: #f1fbe6; padding: 20px; border-radius: 16px; margin-top: 28px; }
.stage-curriculum { border-top: 1px solid #e6eae4; margin-top: 40px; padding-top: 26px; }
.stage-curriculum h2 { margin: 0 0 24px; font-size: 1.8rem; }
.stage-curriculum h2::after { content: ''; display: block; width: 60px; height: 4px; background: #59b900; margin-top: 10px; border-radius: 4px; }
.stage-module-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.stage-module-grid.is-included { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.stage-module { display: grid; justify-items: center; align-content: start; gap: 14px; text-align: center; padding: 22px 12px; border: 1px solid #e7eae5; border-radius: 20px; box-shadow: 0 4px 8px #1420120c; }
.stage-module .stage-icon { width: 44px; height: 44px; }
.stage-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.stage-gallery button { padding: 0; overflow: hidden; border: 2px solid #e1e7de; border-radius: 12px; background: white; cursor: pointer; }
.stage-gallery button[aria-pressed='true'] { border-color: #64d500; }
.stage-gallery img { width: 100%; height: 80px; object-fit: cover; display: block; }
.stage-thumb { overflow: hidden; }
.stage-gallery button:nth-child(2) img { transform: scale(1.5); transform-origin: 75% 70%; }
.stage-gallery button:nth-child(3) img { transform: scale(1.65); transform-origin: 95% 50%; }
.stage-gallery span { display: block; padding: 5px; font-size: .8rem; }
.stage-photo.is-detail img { transform: scale(1.5); transform-origin: 75% 70%; }
.stage-photo.is-frame img { transform: scale(1.65); transform-origin: 95% 50%; }
.stage-contact-selection { padding: 16px; border-left: 4px solid #72d500; background: #f1fbe6; }
.site-form label[hidden] { display: none; }
@media (max-width: 1180px) { .stage-layout.is-kit { grid-template-columns: repeat(2,minmax(0,1fr)); } .is-kit .stage-offer { grid-column: 2; } .stage-module-grid.is-included { grid-template-columns: repeat(4,1fr); } .stage-module-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 760px) { .stage-detail { padding-top: 100px; } .stage-layout, .stage-layout.is-kit { grid-template-columns: 1fr; gap: 24px; } .is-kit .stage-offer { grid-column: auto; } .stage-module-grid, .stage-module-grid.is-included { grid-template-columns: repeat(2,1fr); } .stage-feature-row { gap: 8px; } .stage-feature-row > div { font-size: .8rem; flex-direction: column; align-items: start; } .stage-summary h1 { font-size: 2rem; } }