.nh-calculator{background:rgba(20,20,20,.75);border:1px solid rgba(212,175,55,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:16px;padding:36px;color:#fff;max-width:560px;margin:20px auto;box-shadow:0 10px 40px rgba(0,0,0,.5);font-family:Inter,sans-serif;transition:transform .4s cubic-bezier(.16,1,.3,1),border-color .4s cubic-bezier(.16,1,.3,1),box-shadow .4s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}
.nh-calculator::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(135deg,#a08520,#d4af37,#f0d060);opacity:1}
.nh-calculator:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.4);box-shadow:0 20px 60px rgba(0,0,0,.6),0 0 30px rgba(212,175,55,.05)}
.nh-calculator h3{margin:0 0 28px;font-size:22px;color:#d4af37;text-transform:uppercase;letter-spacing:2px;font-family:'Playfair Display',serif;font-weight:600;padding-bottom:16px;border-bottom:1px solid rgba(212,175,55,.15)}
.nh-form-group{margin-bottom:22px}
.nh-form-group label{display:block;margin-bottom:8px;font-size:13px;color:#999;font-weight:500;letter-spacing:.3px;text-transform:uppercase}
.nh-form-group select,.nh-form-group input[type="number"]{width:100%;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.1);color:#fff;padding:14px 18px;border-radius:8px;font-size:15px;font-family:Inter,sans-serif;transition:all .3s cubic-bezier(.16,1,.3,1);outline:none;appearance:none;-webkit-appearance:none}
.nh-form-group select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4af37' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.nh-form-group select:focus,.nh-form-group input:focus{border-color:#d4af37;box-shadow:0 0 0 3px rgba(212,175,55,.1)}
.nh-form-group select:hover,.nh-form-group input:hover{border-color:rgba(255,255,255,.2)}
.nh-form-group select option{background:#1a1a1a;color:#fff;padding:8px}
.nh-calc-result{margin-top:28px;font-size:18px;font-weight:600;text-align:right;padding:20px;border-top:1px solid rgba(255,255,255,.08);background:rgba(212,175,55,.04);border-radius:0 0 12px 12px;margin:-36px -36px -36px;padding:20px 36px;display:flex;align-items:center;justify-content:space-between}
.nh-calc-result span{color:#d4af37;font-size:32px;font-weight:700;font-family:'Playfair Display',serif;background:linear-gradient(135deg,#a08520,#d4af37,#f0d060);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* Lead form under each calculator */
.nh-calc-lead-form {
    max-width: 560px;
    margin: 24px auto;
    padding: 20px;
    border-radius: 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(212,175,55,0.2);
    box-sizing: border-box;
}
.nh-calc-lead-form input { width:100%; padding:12px 14px; background:rgba(0,0,0,0.4); border:1px solid rgba(255,255,255,0.08); border-radius:8px; color:#eaeaea; }
.nh-calc-lead-form input:focus { outline:none; border-color:#d4af37; }
.nh-calc-lead-form button { width:100%; }
.nh-calc-lead-ok { padding:18px; border-radius:12px; background:rgba(46,213,115,0.08); color:#2ed573; text-align:center; border:1px solid rgba(46,213,115,0.3); }

/* ─── WINDOWS CALCULATOR (market-rate, fenetre24-inspired) ───── */
.nh-calc-windows .nh-calc-intro { color:#a8a8a8; font-size:13px; margin:0 0 18px; }
.nh-calc-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.nh-calc-dims {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nh-calc-dims input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    color: #eaeaea;
    font-size: 14px;
}
.nh-calc-dims input:focus { outline:none; border-color:#d4af37; }
.nh-calc-dims span { color:#888; font-size:13px; white-space:nowrap; }
.nh-calc-area { color: #d4af37 !important; font-weight: 600; }
.nh-calc-area b { font-family:'Playfair Display',serif; font-size:16px; color: #f0d060; }

.nh-calc-accs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 14px;
}
.nh-calc-chk {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    color: #d0d0d0;
    font-size: 13px;
    cursor: pointer;
    transition: all .2s ease;
}
.nh-calc-chk:has(input:checked) {
    background: rgba(212,175,55,0.12);
    border-color: rgba(212,175,55,0.4);
    color: #fff;
}
.nh-calc-chk input { margin: 0; accent-color: #d4af37; }

.nh-calc-result--dual {
    background: linear-gradient(135deg, rgba(212,175,55,0.10) 0%, rgba(10,10,10,0.4) 100%);
    border: 1px solid rgba(212,175,55,0.3);
    border-radius: 12px;
    padding: 16px 18px;
    margin-top: 16px;
}
.nh-calc-result-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 0;
    color: #c0c0c0;
    font-size: 14px;
}
.nh-calc-result-line:first-child { border-bottom: 1px dashed rgba(212,175,55,0.15); }
.nh-calc-result-line--main { font-size: 16px; }
.nh-calc-result-label { letter-spacing: 0.02em; }
.nh-calc-result-val b {
    font-family: 'Playfair Display', Georgia, serif;
    color: #f0d060;
    font-size: 18px;
    font-weight: 700;
    margin: 0 4px;
}
.nh-calc-result-line--main .nh-calc-result-val b { font-size: 22px; }
.nh-calc-result-val span { color:#999; font-weight:400; font-size:12px; }
.nh-calc-div { color: rgba(212,175,55,0.4) !important; padding: 0 2px; }
.nh-calc-note {
    margin: 14px 0 0;
    color: #888;
    font-size: 11px;
    line-height: 1.5;
    font-style: italic;
}

@media (max-width: 640px) {
    .nh-calc-grid-2 { grid-template-columns: 1fr; }
    .nh-calc-accs   { grid-template-columns: 1fr; }
    .nh-calc-result-line { flex-direction: column; align-items: flex-start; gap: 2px; padding: 10px 0; }
}

/* ─── WINDOWS CALCULATOR — visual split preview + configurator ─── */
.nh-calc-windows .nh-wincalc-split {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
    align-items: flex-start;
    margin-bottom: 18px;
}
.nh-calc-windows .nh-wincalc-preview {
    position: relative;
}
.nh-calc-windows .nh-wincalc-preview-sticky {
    position: sticky;
    top: 100px;
    background: linear-gradient(135deg, #141414 0%, #0a0a0a 100%);
    border: 1px solid rgba(212,175,55,0.2);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.nh-calc-windows .nh-wincalc-stage {
    width: 100%;
    aspect-ratio: 360 / 440;
    background:
        repeating-linear-gradient(0deg, rgba(212,175,55,0.03) 0, rgba(212,175,55,0.03) 1px, transparent 1px, transparent 20px),
        repeating-linear-gradient(90deg, rgba(212,175,55,0.03) 0, rgba(212,175,55,0.03) 1px, transparent 1px, transparent 20px),
        #0f0f0f;
    border-radius: 10px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nh-calc-windows .nh-wincalc-stage svg { max-width: 100%; max-height: 100%; }
.nh-calc-windows .nh-wincalc-dims-live {
    margin-top: 12px;
    text-align: center;
    color: #a8a8a8;
    font-size: 13px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.nh-calc-windows .nh-wincalc-dims-live b { color: #f0d060; font-family: 'Playfair Display', serif; font-size: 16px; }
.nh-calc-windows .nh-wincalc-area-live { font-size: 12px; color: #7f7f7f; }
.nh-calc-windows .nh-wincalc-area-live b { font-size: 15px; }

/* Wood swatches grid */
.nh-wood-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 8px;
}
.nh-wood {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.nh-wood:hover { border-color: rgba(212,175,55,0.45); }
.nh-wood:has(input:checked) {
    background: rgba(212,175,55,0.12);
    border-color: var(--nh-gold, #d4af37);
    box-shadow: 0 4px 16px rgba(212,175,55,0.2);
}
.nh-wood input { position: absolute; opacity: 0; pointer-events: none; }
.nh-wood-swatch {
    width: 48px; height: 32px;
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,0.4);
    box-shadow: inset 0 2px 5px rgba(255,255,255,0.15), 0 2px 6px rgba(0,0,0,0.3);
}
.nh-wood-label { font-size: 12px; color: #e0e0e0; font-weight: 600; }
.nh-wood-price { font-size: 10px; color: #888; letter-spacing: 0.05em; text-transform: uppercase; }
.nh-wood:has(input:checked) .nh-wood-price { color: var(--nh-gold, #d4af37); }

/* Chip rows — sashes/fanlight */
.nh-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.nh-chip-btn {
    position: relative;
    padding: 8px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #d0d0d0;
    font-size: 13px;
    font-weight: 500;
}
.nh-chip-btn:hover { border-color: rgba(212,175,55,0.4); color: #fff; }
.nh-chip-btn input { position: absolute; opacity: 0; pointer-events: none; }
.nh-chip-btn:has(input:checked) {
    background: rgba(212,175,55,0.18);
    border-color: var(--nh-gold, #d4af37);
    color: var(--nh-gold, #f0d060);
    font-weight: 600;
}

/* Opening grid — SVG icons */
.nh-opening-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
    gap: 8px;
}
.nh-opening-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 4px 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.nh-opening-item:hover { border-color: rgba(212,175,55,0.4); }
.nh-opening-item:has(input:checked) {
    background: rgba(212,175,55,0.12);
    border-color: var(--nh-gold, #d4af37);
    box-shadow: 0 4px 16px rgba(212,175,55,0.15);
}
.nh-opening-item input { position: absolute; opacity: 0; pointer-events: none; }
.nh-opening-preview {
    width: 48px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nh-opening-item span {
    font-size: 11px;
    color: #c0c0c0;
    text-align: center;
    line-height: 1.25;
}
.nh-opening-item:has(input:checked) span { color: var(--nh-gold, #f0d060); font-weight: 600; }

.nh-form-hint {
    font-size: 11px;
    color: #888;
    margin: 6px 0 0;
    font-style: italic;
    line-height: 1.4;
}

/* Responsive — stack below 820px */
@media (max-width: 820px) {
    .nh-calc-windows .nh-wincalc-split {
        grid-template-columns: 1fr;
    }
    .nh-calc-windows .nh-wincalc-preview-sticky {
        position: static;
    }
    .nh-calc-windows .nh-wincalc-stage {
        max-height: 280px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   WINDOWS CALC v2 — accordion sections + handle/muntin/glass pickers
   ═══════════════════════════════════════════════════════════════ */
.nh-wincalc-summary-label {
    font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
    color: #d4af37; margin-bottom: 10px;
}
.nh-wincalc-sum-list {
    list-style: none; padding: 14px 0 0; margin: 14px 0 0;
    border-top: 1px dashed rgba(212,175,55,0.15);
    display: flex; flex-direction: column; gap: 6px;
}
.nh-wincalc-sum-list li {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: 12px; color: #909090; padding: 2px 0;
}
.nh-wincalc-sum-list li span { letter-spacing: 0.02em; }
.nh-wincalc-sum-list li strong { color: #fff; font-weight: 600; text-align: right; max-width: 60%; }

.nh-wincalc-price-box {
    margin-top: 16px; padding: 16px;
    background: linear-gradient(135deg, rgba(212,175,55,0.15) 0%, rgba(10,10,10,0.3) 100%);
    border: 1px solid rgba(212,175,55,0.35); border-radius: 12px;
}
.nh-wincalc-price-line {
    display: flex; justify-content: space-between; align-items: baseline;
    color: #b8b8b8; font-size: 13px; padding: 6px 0;
}
.nh-wincalc-price-line--total {
    border-top: 1px dashed rgba(212,175,55,0.2); padding-top: 10px; margin-top: 4px;
    font-size: 14px;
}
.nh-wincalc-price-val { color: #fff; text-align: right; }
.nh-wincalc-price-val b {
    font-family: 'Playfair Display', serif; color: #f0d060; font-size: 17px; margin: 0 3px;
}
.nh-wincalc-price-line--total b { font-size: 22px; }
.nh-wincalc-price-sep { color: rgba(212,175,55,0.4); margin: 0 4px; }

.nh-wincalc-order-btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; margin-top: 14px; padding: 13px 18px;
    background: linear-gradient(135deg, #d4af37, #f0d060); color: #0a0a0a;
    border-radius: 10px; text-decoration: none; font-weight: 700;
    font-size: 14px; letter-spacing: 0.03em;
    box-shadow: 0 8px 24px rgba(212,175,55,0.3);
    transition: all 0.2s ease;
}
.nh-wincalc-order-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(212,175,55,0.45); }
.nh-wincalc-mincart { font-size: 11px; color: #888; text-align: center; margin: 8px 0 0; font-style: italic; }

.nh-acc-section {
    margin-bottom: 12px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(212,175,55,0.15);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.25s ease;
}
.nh-acc-section {
    border-color: rgba(212,175,55,0.3);
    background: rgba(255,255,255,0.03);
}
.nh-acc-head {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px;
    user-select: none;
    border-bottom: 1px solid rgba(212,175,55,0.12);
}
.nh-acc-num {
    flex-shrink: 0; width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(212,175,55,0.15); border: 1px solid rgba(212,175,55,0.3);
    border-radius: 50%; color: #d4af37;
    font-family: 'Playfair Display', serif; font-weight: 700; font-size: 14px;
}
.nh-acc-num {
    background: linear-gradient(135deg, #d4af37, #f0d060); color: #0a0a0a;
    border-color: transparent;
}
.nh-acc-title {
    flex: 1;
    color: #fff; font-weight: 600; font-size: 15px;
    letter-spacing: 0.01em;
}
.nh-acc-chev { display: none; }
.nh-acc-body {
    padding: 0 20px 20px;
    border-top: 1px dashed rgba(212,175,55,0.12);
    padding-top: 20px;
}

.nh-glass-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px;
}
.nh-glass-card {
    position: relative;
    display: flex; flex-direction: column; gap: 10px;
    padding: 14px 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.nh-glass-card:hover { border-color: rgba(212,175,55,0.4); }
.nh-glass-card input { position: absolute; opacity: 0; pointer-events: none; }
.nh-glass-card:has(input:checked) {
    background: rgba(212,175,55,0.12);
    border-color: var(--nh-gold, #d4af37);
}
.nh-glass-visual {
    height: 60px; border-radius: 6px; border: 1px solid rgba(212,175,55,0.2);
    background: linear-gradient(135deg, rgba(180,220,240,0.2) 0%, rgba(100,150,180,0.3) 100%);
    position: relative; overflow: hidden;
}
.nh-glass-2ch::after,
.nh-glass-lowE::after,
.nh-glass-3ch::after,
.nh-glass-acoustic::after,
.nh-glass-safety::after {
    content: ''; position: absolute; top: 10%; bottom: 10%; left: 45%; width: 2px;
    background: rgba(255,255,255,0.4); border-radius: 1px;
}
.nh-glass-lowE { background: linear-gradient(135deg, rgba(255,220,150,0.25) 0%, rgba(180,220,240,0.35) 100%); }
.nh-glass-lowE::before {
    content: 'Low-E'; position: absolute; top: 4px; right: 4px; font-size: 8px;
    color: #d4af37; font-weight: 700; letter-spacing: 0.1em;
}
.nh-glass-3ch::before { content: ''; position: absolute; top: 10%; bottom: 10%; left: 30%; width: 2px; background: rgba(255,255,255,0.4); }
.nh-glass-3ch::after { left: 60%; }
.nh-glass-acoustic {
    background-image: repeating-linear-gradient(90deg, rgba(212,175,55,0.1) 0, rgba(212,175,55,0.1) 2px, transparent 2px, transparent 4px),
                      linear-gradient(135deg, rgba(180,220,240,0.25) 0%, rgba(100,150,180,0.35) 100%);
}
.nh-glass-safety {
    background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.1) 0, rgba(255,255,255,0.1) 3px, transparent 3px, transparent 6px),
                      linear-gradient(135deg, rgba(180,220,240,0.25) 0%, rgba(100,150,180,0.35) 100%);
}
.nh-glass-info {
    display: flex; flex-direction: column; gap: 2px; font-size: 12px;
}
.nh-glass-info strong { color: #fff; font-size: 13px; }
.nh-glass-info span { color: #888; }
.nh-glass-info em { color: var(--nh-gold, #d4af37); font-style: normal; font-weight: 600; font-size: 11px; letter-spacing: 0.05em; }

.nh-opts-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    margin-top: 14px;
}

.nh-ral-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(74px, 1fr)); gap: 6px;
}
.nh-ral-cell {
    position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 6px 4px; background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06); border-radius: 8px; cursor: pointer;
    transition: all 0.2s ease;
}
.nh-ral-cell input { position: absolute; opacity: 0; pointer-events: none; }
.nh-ral-cell:hover { border-color: rgba(212,175,55,0.4); }
.nh-ral-cell:has(input:checked) {
    background: rgba(212,175,55,0.18); border-color: var(--nh-gold, #d4af37);
    box-shadow: 0 0 0 2px rgba(212,175,55,0.1);
}
.nh-ral-swatch {
    width: 100%; height: 34px; border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.3);
    box-shadow: inset 0 1px 3px rgba(255,255,255,0.1), 0 1px 2px rgba(0,0,0,0.2);
}
.nh-ral-name { font-size: 10px; color: #b0b0b0; text-align: center; line-height: 1.2; }
.nh-ral-cell:has(input:checked) .nh-ral-name { color: var(--nh-gold, #f0d060); font-weight: 600; }

.nh-handle-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px;
}
.nh-handle-card {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 14px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer; transition: all 0.2s ease;
}
.nh-handle-card input { position: absolute; opacity: 0; pointer-events: none; }
.nh-handle-card:hover { border-color: rgba(212,175,55,0.4); }
.nh-handle-card:has(input:checked) {
    background: rgba(212,175,55,0.12); border-color: var(--nh-gold, #d4af37);
}
.nh-handle-svg { width: 48px; height: 48px; }
.nh-handle-info { text-align: center; display: flex; flex-direction: column; gap: 2px; }
.nh-handle-info strong { color: #fff; font-size: 12px; }
.nh-handle-info span { color: #888; font-size: 10px; letter-spacing: 0.04em; }

.nh-muntin-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px;
}
.nh-muntin-card {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 12px 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer; transition: all 0.2s ease;
}
.nh-muntin-card input { position: absolute; opacity: 0; pointer-events: none; }
.nh-muntin-card:hover { border-color: rgba(212,175,55,0.4); }
.nh-muntin-card:has(input:checked) {
    background: rgba(212,175,55,0.12); border-color: var(--nh-gold, #d4af37);
}
.nh-muntin-svg { width: 52px; height: 52px; }
.nh-muntin-card strong { color: #fff; font-size: 12px; }
.nh-muntin-card em { color: var(--nh-gold, #d4af37); font-style: normal; font-size: 10px; font-weight: 600; }

@media (max-width: 700px) {
    .nh-opts-row { grid-template-columns: 1fr; }
}

/* ═══════════════════ WIZARD (fenetre24-style 2-step) ═══════════════════ */
.nh-wiz-nav {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    margin: 0 0 24px; padding: 10px; background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 14px;
}
.nh-wiz-tab {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px; background: transparent; border: 2px solid transparent;
    border-radius: 10px; cursor: pointer; text-align: left;
    color: rgba(255,255,255,0.6); transition: all 0.2s ease;
    font-family: inherit;
}
.nh-wiz-tab:hover { background: rgba(255,255,255,0.04); color: #fff; }
.nh-wiz-tab.is-active {
    background: rgba(212,175,55,0.10);
    border-color: var(--nh-gold, #d4af37);
    color: #fff;
}
.nh-wiz-tab-num {
    flex: 0 0 36px; width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; font-weight: 700; font-size: 16px;
    background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
    transition: all 0.2s ease;
}
.nh-wiz-tab.is-active .nh-wiz-tab-num {
    background: var(--nh-gold, #d4af37); color: #0a0f1a;
}
.nh-wiz-tab.is-done .nh-wiz-tab-num { background: #2a8a4f; color: #fff; }
.nh-wiz-tab-txt { display: flex; flex-direction: column; line-height: 1.3; }
.nh-wiz-tab-txt strong { font-size: 14px; font-weight: 600; color: inherit; }
.nh-wiz-tab-txt em { font-style: normal; font-size: 11px; opacity: 0.7; margin-top: 2px; }
.nh-wiz-tab-chk { margin-left: auto; opacity: 0; transition: opacity 0.2s; color: #2a8a4f; }
.nh-wiz-tab.is-done .nh-wiz-tab-chk { opacity: 1; }

.nh-wiz-step { display: none; animation: nhWizFade 0.3s ease; }
.nh-wiz-step.is-active { display: block; }
@keyframes nhWizFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.nh-wiz-foot {
    display: flex; justify-content: space-between; align-items: center;
    gap: 12px; margin-top: 20px; padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.nh-wiz-foot > span { flex: 1; }
.nh-wiz-prev, .nh-wiz-next, .nh-wiz-submit {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 10px; cursor: pointer;
    font-family: inherit; font-size: 14px; font-weight: 600;
    transition: all 0.2s ease; border: 2px solid transparent;
}
.nh-wiz-prev {
    background: transparent; border-color: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.75);
}
.nh-wiz-prev:hover { border-color: rgba(255,255,255,0.35); color: #fff; }
.nh-wiz-next, .nh-wiz-submit {
    background: var(--nh-gold, #d4af37); color: #0a0f1a;
    margin-left: auto;
}
.nh-wiz-next:hover, .nh-wiz-submit:hover {
    background: #e6c158; transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(212,175,55,0.3);
}
.nh-wiz-submit { background: linear-gradient(135deg, #d4af37 0%, #f4d76e 100%); }

@media (max-width: 640px) {
    .nh-wiz-nav { grid-template-columns: 1fr; }
    .nh-wiz-tab-txt em { display: none; }
}

/* ════════════════════════════════════════════════════════════════════
   NORD HAUS DARK THEME — fenetre24 layout/sizes, Nord Haus colors
   ════════════════════════════════════════════════════════════════════ */

/* Force page-level scroll container to be the document, not body
   (parent theme sets body{overflow:auto} which breaks position:sticky) */
body:has(.nh-f24) { overflow: visible !important; }
html:has(.nh-f24) { overflow-x: clip; }

.nh-f24 {
    --nh-bg:       #0C1118;
    --nh-panel:    rgba(255,255,255,0.035);
    --nh-panel-2:  rgba(255,255,255,0.06);
    --nh-border:   rgba(212,175,55,0.18);
    --nh-border-2: rgba(255,255,255,0.09);
    --nh-text:     #F5F5F5;
    --nh-muted:    #9AA0A8;
    --nh-gold:     #D4AF37;
    --nh-gold-lt:  #F0D060;
    --nh-section:  linear-gradient(90deg, #1A1F2B 0%, #10141C 100%);
    --nh-badge:    rgba(212,175,55,0.18);

    background: var(--nh-bg);
    color: var(--nh-text);
    padding: 0;
    border-radius: 16px;
    font-family: "Inter", "Segoe UI", -apple-system, system-ui, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
    overflow: visible !important;
}
.nh-f24 * { box-sizing: border-box; }
.nh-f24 .nh-wincalc-split,
.nh-f24 .nh-wincalc-preview,
.nh-f24 .nh-wincalc-controls { overflow: visible; }

.nh-f24-head {
    background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0) 60%);
    border-bottom: 1px solid var(--nh-border);
    padding: 28px 36px;
}
.nh-f24-head h3 {
    margin: 0 0 6px; font-size: 28px; font-weight: 700;
    color: var(--nh-text);
    font-family: "Playfair Display", "Inter", serif;
}
.nh-f24-head p { margin: 0; color: var(--nh-muted); font-size: 14px; }

.nh-f24 .nh-wincalc-split {
    display: grid; grid-template-columns: 320px 1fr; gap: 0;
    background: var(--nh-bg); padding: 24px;
}

/* LEFT SIDEBAR — grid item stretches; inner child sticks */
.nh-f24 .nh-wincalc-preview {
    background: transparent;
    padding: 0 20px 0 0;
    align-self: stretch;
    height: 100%;
}
.nh-f24 .nh-wincalc-preview-sticky {
    position: sticky; top: 90px;
    background: var(--nh-panel);
    border: 1px solid var(--nh-border);
    border-radius: 12px; padding: 14px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
}
.nh-f24 .nh-wincalc-summary-label {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--nh-gold); margin-bottom: 10px;
}
.nh-f24 .nh-wincalc-stage {
    background: rgba(0,0,0,0.35);
    border: 1px solid var(--nh-border);
    border-radius: 8px; padding: 10px; margin-bottom: 10px;
    display: flex; align-items: center; justify-content: center; min-height: 170px;
}
.nh-f24 .nh-wincalc-stage svg { max-width: 100%; max-height: 180px; height: auto; }

/* Big price directly under preview (fenetre24 style) */
.nh-f24 .nh-wincalc-price-big {
    text-align: center; padding: 6px 0 8px;
    font-family: "Playfair Display", serif;
    color: var(--nh-gold); line-height: 1;
}
.nh-f24 .nh-wincalc-price-big b { font-size: 28px; font-weight: 700; }
.nh-f24 .nh-wincalc-price-big span { font-size: 18px; margin-left: 2px; }
.nh-f24 .nh-wincalc-price-big em {
    display: block; margin-top: 3px;
    font-size: 11px; color: var(--nh-muted);
    font-style: normal; font-family: inherit;
}
.nh-f24 .nh-wincalc-price-big em b { font-size: 12px; font-weight: 600; color: var(--nh-muted); }

.nh-f24 .nh-wincalc-dims-live {
    display: block;
    font-size: 11px; color: var(--nh-muted);
    text-align: center; padding: 6px 0;
    border-top: 1px solid var(--nh-border-2);
    border-bottom: 1px solid var(--nh-border-2); margin-bottom: 8px;
    white-space: nowrap;
}
.nh-f24 .nh-wincalc-dims-live b {
    color: var(--nh-text); font-weight: 600;
    display: inline; font-size: 11px;
    font-family: inherit;
}

.nh-f24 .nh-wincalc-sum-list {
    list-style: none; padding: 0; margin: 0 0 10px; font-size: 11px;
}
.nh-f24 .nh-wincalc-sum-list li {
    display: flex; justify-content: space-between;
    padding: 4px 0; border-bottom: 1px solid var(--nh-border-2);
    color: var(--nh-muted); line-height: 1.3;
}
.nh-f24 .nh-wincalc-sum-list li:last-child { border-bottom: 0; }
.nh-f24 .nh-wincalc-sum-list li b,
.nh-f24 .nh-wincalc-sum-list li strong { color: var(--nh-text); font-weight: 600; font-size: 11px; }

.nh-f24 .nh-wincalc-price-box {
    background: linear-gradient(135deg, rgba(212,175,55,0.12), rgba(212,175,55,0.03));
    padding: 10px 12px; border-radius: 8px; margin-bottom: 10px;
    border: 1px solid var(--nh-border);
}
.nh-f24 .nh-wincalc-price-line {
    display: flex; justify-content: space-between; align-items: baseline;
    padding: 0; font-size: 12px; color: var(--nh-muted);
}
.nh-f24 .nh-wincalc-price-line--total {
    font-size: 15px; color: var(--nh-text); font-weight: 700;
    font-family: "Playfair Display", serif;
}
.nh-f24 .nh-wincalc-price-val b { color: var(--nh-gold); }
.nh-f24 .nh-wincalc-price-sep { color: var(--nh-border); margin: 0 3px; }

.nh-f24 .nh-wincalc-order-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: linear-gradient(135deg, var(--nh-gold) 0%, var(--nh-gold-lt) 100%);
    color: #0A0A0A;
    padding: 10px; border-radius: 30px; text-decoration: none;
    font-weight: 700; font-size: 13px; transition: transform 0.15s, box-shadow 0.15s;
    border: none;
}
.nh-f24 .nh-wincalc-order-btn:hover {
    color: #0A0A0A; transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212,175,55,0.3);
}
.nh-f24 .nh-wincalc-mincart {
    font-size: 10px; color: var(--nh-muted); text-align: center; margin: 6px 0 0;
    line-height: 1.3;
}
.nh-f24 .nh-wincalc-save-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: transparent;
    color: var(--nh-gold); border: 1px solid rgba(212,175,55,0.35);
    padding: 8px; border-radius: 30px; text-decoration: none;
    font-weight: 600; font-size: 12px; cursor: pointer;
    margin-top: 8px; transition: all 0.15s; font-family: inherit;
}
.nh-f24 .nh-wincalc-save-btn:hover {
    background: rgba(212,175,55,0.08); border-color: var(--nh-gold);
    color: var(--nh-gold);
}

/* RIGHT MAIN */
.nh-f24 .nh-wincalc-controls { background: transparent; padding: 0; }

/* Step tabs (gold pills) */
.nh-f24 .nh-wiz-nav {
    display: flex; justify-content: flex-end; gap: 10px;
    background: transparent; border: none; padding: 0; margin: 0 0 14px;
}
.nh-f24 .nh-wiz-tab {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 22px; background: var(--nh-panel);
    border: 1px solid var(--nh-border-2); border-radius: 30px;
    color: var(--nh-muted); cursor: pointer;
    font-weight: 600; font-size: 13px; transition: all 0.15s;
    font-family: inherit;
}
.nh-f24 .nh-wiz-tab:hover { border-color: var(--nh-gold); color: var(--nh-text); }
.nh-f24 .nh-wiz-tab.is-active {
    background: linear-gradient(135deg, var(--nh-gold), var(--nh-gold-lt));
    border-color: var(--nh-gold); color: #0A0A0A;
}
.nh-f24 .nh-wiz-tab-num { display: none; }
.nh-f24 .nh-wiz-tab-txt { display: flex; align-items: center; }
.nh-f24 .nh-wiz-tab-txt em { display: none; }
.nh-f24 .nh-wiz-tab-txt strong { font-size: 13px; font-weight: 600; }
.nh-f24 .nh-wiz-tab-chk { display: inline-flex; opacity: 0.7; }

/* Sections */
.nh-f24 .nh-acc-section {
    background: var(--nh-panel);
    border: 1px solid var(--nh-border);
    border-radius: 12px;
    margin-bottom: 14px; overflow: hidden;
}
.nh-f24 .nh-acc-head {
    background: var(--nh-section); color: var(--nh-text);
    padding: 14px 22px; border-bottom: 1px solid var(--nh-border);
    display: flex; align-items: center; gap: 12px;
    font-size: 14px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
}
.nh-f24 .nh-acc-num {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--nh-gold), var(--nh-gold-lt));
    border: none; border-radius: 50%; color: #0A0A0A;
    font-family: "Playfair Display", serif; font-size: 14px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.nh-f24 .nh-acc-title { color: var(--nh-text); font-weight: 700; letter-spacing: 0.08em; }
.nh-f24 .nh-acc-body { padding: 22px; border-top: 0; background: transparent; }

/* Form groups */
.nh-f24 .nh-form-group { margin-bottom: 22px; }
.nh-f24 .nh-form-group > label {
    display: block; color: var(--nh-text); font-size: 13px;
    font-weight: 600; margin-bottom: 12px;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.nh-f24 select, .nh-f24 input[type="number"], .nh-f24 input[type="text"] {
    width: 100%; background: rgba(0,0,0,0.2);
    border: 1px solid var(--nh-border-2);
    color: var(--nh-text); border-radius: 8px; padding: 11px 14px;
    font-family: inherit; font-size: 14px;
}
.nh-f24 select:focus, .nh-f24 input:focus {
    outline: none; border-color: var(--nh-gold);
    box-shadow: 0 0 0 2px rgba(212,175,55,0.2);
}
.nh-f24 select option { background: #1A1F2B; color: var(--nh-text); }

/* Chip buttons */
.nh-f24 .nh-chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.nh-f24 .nh-chip-btn {
    display: inline-flex; align-items: center; padding: 0;
    background: var(--nh-panel); border: 1px solid var(--nh-border-2);
    border-radius: 8px; cursor: pointer; position: relative; transition: all 0.15s;
}
.nh-f24 .nh-chip-btn input { position: absolute; opacity: 0; pointer-events: none; }
.nh-f24 .nh-chip-btn span {
    padding: 10px 18px; font-size: 13px; color: var(--nh-text); font-weight: 500;
}
.nh-f24 .nh-chip-btn:hover { border-color: var(--nh-gold); }
.nh-f24 .nh-chip-btn:has(input:checked) {
    border-color: var(--nh-gold); background: rgba(212,175,55,0.12);
    box-shadow: 0 0 0 1px var(--nh-gold) inset;
}

/* Checkboxes */
.nh-f24 .nh-opts-row {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
    gap: 10px; margin-top: 14px;
}
.nh-f24 .nh-calc-chk {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 16px; background: var(--nh-panel);
    border: 1px solid var(--nh-border-2); border-radius: 8px;
    font-size: 13px; color: var(--nh-text); cursor: pointer; transition: all 0.15s;
}
.nh-f24 .nh-calc-chk:hover { border-color: var(--nh-gold); }
.nh-f24 .nh-calc-chk input { accent-color: var(--nh-gold); }
.nh-f24 .nh-calc-chk:has(input:checked) {
    border-color: var(--nh-gold); background: rgba(212,175,55,0.08);
}

/* Large card grids */
.nh-f24 .nh-wood-grid,
.nh-f24 .nh-glass-grid,
.nh-f24 .nh-handle-grid,
.nh-f24 .nh-muntin-grid,
.nh-f24 .nh-opening-grid {
    display: grid; gap: 14px;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.nh-f24 .nh-wood,
.nh-f24 .nh-glass-card,
.nh-f24 .nh-handle-card,
.nh-f24 .nh-muntin-card,
.nh-f24 .nh-opening-item {
    position: relative; background: var(--nh-panel);
    border: 1px solid var(--nh-border-2);
    border-radius: 10px; padding: 14px 12px; cursor: pointer;
    transition: all 0.15s;
    display: flex; flex-direction: column; align-items: center;
    gap: 10px; min-height: 190px;
}
.nh-f24 .nh-wood input,
.nh-f24 .nh-glass-card input,
.nh-f24 .nh-handle-card input,
.nh-f24 .nh-muntin-card input,
.nh-f24 .nh-opening-item input { position: absolute; opacity: 0; pointer-events: none; }

.nh-f24 .nh-wood:hover,
.nh-f24 .nh-glass-card:hover,
.nh-f24 .nh-handle-card:hover,
.nh-f24 .nh-muntin-card:hover,
.nh-f24 .nh-opening-item:hover { border-color: var(--nh-gold); }

.nh-f24 .nh-wood:has(input:checked),
.nh-f24 .nh-glass-card:has(input:checked),
.nh-f24 .nh-handle-card:has(input:checked),
.nh-f24 .nh-muntin-card:has(input:checked),
.nh-f24 .nh-opening-item:has(input:checked),
.nh-f24 .nh-opening-item.is-active {
    border-color: var(--nh-gold);
    background: rgba(212,175,55,0.08);
    box-shadow: 0 0 0 1px var(--nh-gold) inset, 0 4px 16px rgba(212,175,55,0.15);
}

/* Gold corner tab with dark check */
.nh-f24 .nh-wood:has(input:checked)::before,
.nh-f24 .nh-glass-card:has(input:checked)::before,
.nh-f24 .nh-handle-card:has(input:checked)::before,
.nh-f24 .nh-muntin-card:has(input:checked)::before,
.nh-f24 .nh-opening-item:has(input:checked)::before,
.nh-f24 .nh-opening-item.is-active::before {
    content: ""; position: absolute; top: 0; right: 0;
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--nh-gold), var(--nh-gold-lt));
    z-index: 2;
}
.nh-f24 .nh-wood:has(input:checked)::after,
.nh-f24 .nh-glass-card:has(input:checked)::after,
.nh-f24 .nh-handle-card:has(input:checked)::after,
.nh-f24 .nh-muntin-card:has(input:checked)::after,
.nh-f24 .nh-opening-item:has(input:checked)::after,
.nh-f24 .nh-opening-item.is-active::after {
    content: ""; position: absolute; top: 6px; right: 6px;
    width: 16px; height: 16px; z-index: 3;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A0A0A' stroke-width='4'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
}

/* Wood cards */
.nh-f24 .nh-wood-swatch {
    width: 100%; height: 120px; border-radius: 6px;
    border: 1px solid rgba(0,0,0,0.3);
}
.nh-f24 .nh-wood-label { font-size: 14px; font-weight: 600; color: var(--nh-text); }
.nh-f24 .nh-wood-price {
    background: var(--nh-badge); color: var(--nh-gold);
    padding: 4px 10px; border-radius: 4px; font-size: 11px;
    font-weight: 700; font-style: normal;
    border: 1px solid rgba(212,175,55,0.25);
}

/* Glass visual */
.nh-f24 .nh-glass-visual {
    width: 100%; height: 110px;
    border: 1px solid var(--nh-border-2);
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(200,220,240,0.15), rgba(120,150,180,0.15));
    position: relative;
}
.nh-f24 .nh-glass-visual.nh-glass-2ch { background: linear-gradient(90deg, rgba(200,220,240,0.2) 50%, rgba(140,170,200,0.2) 50%); }
.nh-f24 .nh-glass-visual.nh-glass-3ch { background: linear-gradient(90deg, rgba(200,220,240,0.2) 33%, rgba(160,180,210,0.2) 33%, rgba(160,180,210,0.2) 66%, rgba(110,140,170,0.25) 66%); }
.nh-f24 .nh-glass-visual.nh-glass-lowE { background: linear-gradient(135deg, rgba(180,230,220,0.25), rgba(100,180,170,0.25)); }
.nh-f24 .nh-glass-visual.nh-glass-acoustic { background: repeating-linear-gradient(45deg, rgba(200,220,240,0.18) 0 4px, rgba(140,170,200,0.18) 4px 8px); }
.nh-f24 .nh-glass-visual.nh-glass-safety { background: linear-gradient(135deg, rgba(220,180,180,0.25), rgba(170,120,120,0.25)); }

.nh-f24 .nh-glass-card .nh-glass-info { text-align: center; }
.nh-f24 .nh-glass-card strong { display: block; font-size: 14px; font-weight: 600; color: var(--nh-text); }
.nh-f24 .nh-glass-card span { display: block; font-size: 11px; color: var(--nh-muted); margin-top: 3px; }
.nh-f24 .nh-glass-card em {
    display: inline-block; background: var(--nh-badge); color: var(--nh-gold);
    padding: 3px 10px; border-radius: 4px; font-size: 10px;
    font-weight: 700; font-style: normal; margin-top: 4px;
    border: 1px solid rgba(212,175,55,0.25);
}

/* Handle */
.nh-f24 .nh-handle-svg { width: 90px; height: 90px; }
.nh-f24 .nh-handle-svg svg { width: 100%; height: 100%; }
.nh-f24 .nh-handle-card .nh-handle-info { text-align: center; }
.nh-f24 .nh-handle-card strong { display: block; font-size: 14px; color: var(--nh-text); }
.nh-f24 .nh-handle-card span { display: block; font-size: 11px; color: var(--nh-muted); margin-top: 3px; }

/* Muntin */
.nh-f24 .nh-muntin-svg { width: 100px; height: 100px; }
.nh-f24 .nh-muntin-svg svg { width: 100%; height: 100%; }
.nh-f24 .nh-muntin-card strong { font-size: 13px; color: var(--nh-text); font-weight: 600; }
.nh-f24 .nh-muntin-card em {
    display: inline-block; background: var(--nh-badge); color: var(--nh-gold);
    padding: 2px 8px; border-radius: 4px; font-size: 10px;
    font-weight: 700; font-style: normal;
    border: 1px solid rgba(212,175,55,0.25);
}

/* Opening pattern preview */
.nh-f24 .nh-opening-preview {
    width: 100%; height: 130px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.3); border-radius: 6px;
    border: 1px solid var(--nh-border-2);
}
.nh-f24 .nh-opening-preview svg { max-width: 90%; max-height: 100%; }
.nh-f24 .nh-opening-item span {
    font-size: 13px; font-weight: 600; color: var(--nh-text); text-align: center; line-height: 1.3;
}
.nh-f24 .nh-opening-item .nh-pattern-popular {
    position: absolute; top: 8px; left: 8px;
    background: linear-gradient(135deg, var(--nh-gold), var(--nh-gold-lt)); color: #0A0A0A;
    width: 22px; height: 22px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; z-index: 2; font-weight: 700;
}
.nh-f24 .nh-opening-item .nh-pattern-extra {
    background: var(--nh-badge); color: var(--nh-gold);
    padding: 3px 8px; border-radius: 4px; font-size: 10px;
    font-weight: 700; font-style: normal;
    border: 1px solid rgba(212,175,55,0.25);
}

/* RAL grid */
.nh-f24 .nh-ral-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}
.nh-f24 .nh-ral-cell {
    position: relative; background: var(--nh-panel);
    border: 1px solid var(--nh-border-2); border-radius: 6px;
    cursor: pointer; padding: 8px;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.nh-f24 .nh-ral-cell input { position: absolute; opacity: 0; }
.nh-f24 .nh-ral-cell:has(input:checked) {
    border-color: var(--nh-gold);
    box-shadow: 0 0 0 1px var(--nh-gold) inset;
}
.nh-f24 .nh-ral-swatch {
    display: block; width: 100%; height: 40px; border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.4);
}
.nh-f24 .nh-ral-name { font-size: 10px; color: var(--nh-muted); text-align: center; }

/* Wizard foot */
.nh-f24 .nh-wiz-foot {
    margin-top: 22px; padding: 18px 0;
    border-top: 1px solid var(--nh-border);
    display: flex; justify-content: space-between; align-items: center;
}
.nh-f24 .nh-wiz-prev {
    background: transparent; border: 1px solid var(--nh-border-2);
    color: var(--nh-muted);
    padding: 11px 22px; border-radius: 30px;
    font-weight: 600; font-size: 13px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    font-family: inherit;
}
.nh-f24 .nh-wiz-prev:hover { border-color: var(--nh-gold); color: var(--nh-text); }
.nh-f24 .nh-wiz-next,
.nh-f24 .nh-wiz-submit {
    background: linear-gradient(135deg, var(--nh-gold), var(--nh-gold-lt));
    border: none; color: #0A0A0A;
    padding: 12px 28px; border-radius: 30px;
    font-weight: 700; font-size: 13px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    transition: transform 0.15s, box-shadow 0.15s;
    font-family: inherit;
}
.nh-f24 .nh-wiz-next:hover,
.nh-f24 .nh-wiz-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212,175,55,0.3);
}

/* Responsive */
@media (max-width: 1024px) {
    .nh-f24 .nh-wincalc-split { grid-template-columns: 1fr; padding: 16px; }
    .nh-f24 .nh-wincalc-preview { padding: 0 0 20px 0; }
    .nh-f24 .nh-wincalc-preview-sticky { position: static; }
}
@media (max-width: 640px) {
    .nh-f24-head { padding: 18px 22px; }
    .nh-f24-head h3 { font-size: 22px; }
    .nh-f24 .nh-wiz-nav { justify-content: stretch; }
    .nh-f24 .nh-wiz-tab { flex: 1; justify-content: center; }
    .nh-f24 .nh-wood-grid,
    .nh-f24 .nh-glass-grid,
    .nh-f24 .nh-handle-grid,
    .nh-f24 .nh-muntin-grid,
    .nh-f24 .nh-opening-grid { grid-template-columns: repeat(2, 1fr); }
    .nh-f24 .nh-acc-body { padding: 16px; }
}