/**
 * ARTBuilding — Configurator Multisplit
 * Culori brand: navy #052454, verde #56ad56 / #6f8f04
 */
.art-ms-calc {
    --art-ms-green: #56ad56;
    --art-ms-green-d: #469c46;
    --art-ms-green-h: #6f8f04;
    --art-ms-green-l: #e9f7df;
    --art-ms-navy: #052454;
    --art-ms-blue: #0a3370;
    --art-ms-blue-l: #eef4fc;
    --art-ms-r: 16px;
    font-family: 'Poppins', 'Inter', sans-serif;
    color: #1a1a1a;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 16px 32px;
}
.art-ms-calc * { box-sizing: border-box; }

/* ── HERO (pagină dedicată) ── */
.art-ms-calc .msx-hero {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    padding: clamp(36px, 6vw, 56px) clamp(20px, 4vw, 40px);
    margin: 20px 0 28px;
    color: #fff;
    text-align: center;
    min-height: clamp(220px, 32vw, 320px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 20px 50px rgba(5,36,84,.28), inset 0 1px 0 rgba(255,255,255,.08);
}
.art-ms-calc .msx-hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(5,36,84,.82) 0%, rgba(10,51,112,.72) 45%, rgba(70,156,70,.55) 100%),
        url('/image/catalog/art-multisplit/art-multisplit-hero-bg.png') center center / cover no-repeat;
    transform: scale(1.02);
    transition: transform 8s ease-out;
}
.art-ms-calc .msx-hero:hover .msx-hero-bg {
    transform: scale(1.06);
}
.art-ms-calc .msx-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 100%, rgba(86,173,86,.35) 0%, transparent 55%),
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.12) 0%, transparent 35%),
        radial-gradient(circle at 88% 75%, rgba(86,173,86,.2) 0%, transparent 40%);
    pointer-events: none;
}
.art-ms-calc .msx-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(5,36,84,.4) 100%);
    pointer-events: none;
}
.art-ms-calc .msx-hero-in {
    position: relative;
    z-index: 2;
    max-width: 720px;
}
.art-ms-calc .msx-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.28);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: 18px;
    color: #f0fdf4;
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.art-ms-calc .msx-badge i {
    color: var(--art-ms-green);
    font-size: 13px;
}
.art-ms-calc .msx-hero h1 {
    margin: 0 0 14px;
    font-size: clamp(1.65rem, 4.5vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.15;
    text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.art-ms-calc .msx-hero-lead {
    margin: 0 auto 20px;
    max-width: 600px;
    font-size: clamp(14px, 2.5vw, 16px);
    line-height: 1.7;
    color: rgba(255,255,255,.92);
    text-shadow: 0 1px 8px rgba(0,0,0,.25);
}
.art-ms-calc .msx-hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}
.art-ms-calc .msx-hero-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: rgba(5,36,84,.45);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(86,173,86,.45);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: #e8f5e0;
}
.art-ms-calc .msx-hero-tags i {
    color: var(--art-ms-green);
    font-size: 13px;
}

/* ── EMBED BAR (categorie / include) ── */
.art-ms-calc--embed { padding: 0 0 24px; max-width: 100%; }
.art-ms-calc--embed .msx-hero { display: none; }
.art-ms-calc--embed .msx-embed-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--art-ms-navy), var(--art-ms-blue));
    border-radius: 12px;
    color: #fff;
    border-left: 4px solid var(--art-ms-green);
}
.art-ms-calc--embed .msx-embed-bar h2 {
    margin: 0;
    font-size: clamp(15px, 3vw, 18px);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}
.art-ms-calc--embed .msx-embed-bar h2 i { color: var(--art-ms-green); }
.art-ms-calc--embed .msx-embed-link {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
    transition: .2s;
    white-space: nowrap;
}
.art-ms-calc--embed .msx-embed-link:hover {
    background: var(--art-ms-green);
    border-color: var(--art-ms-green);
    color: #fff;
}
.art-ms-calc:not(.art-ms-calc--embed) .msx-embed-bar { display: none; }

/* ── STEPS ── */
.art-ms-calc .msx-steps {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.art-ms-calc .msx-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
}
.art-ms-calc .msx-step-ico {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: #f0f0f0;
    color: #999;
    border: 2px solid #e0e0e0;
    transition: .3s;
    flex-shrink: 0;
}
.art-ms-calc .msx-step.active .msx-step-ico,
.art-ms-calc .msx-step.done .msx-step-ico {
    background: var(--art-ms-green);
    color: #fff;
    border-color: var(--art-ms-green);
    box-shadow: 0 4px 14px rgba(86,173,86,.35);
}
.art-ms-calc .msx-step-txt strong { display: block; font-size: 13px; font-weight: 700; color: #333; }
.art-ms-calc .msx-step-txt span { font-size: 11px; color: #888; }
.art-ms-calc .msx-step.active .msx-step-txt strong { color: var(--art-ms-green-h); }
.art-ms-calc .msx-step-line {
    width: 32px;
    height: 2px;
    background: #e0e0e0;
    align-self: center;
}
.art-ms-calc .msx-step-line.done { background: var(--art-ms-green); }

/* ── GRID ── */
.art-ms-calc .msx-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 22px;
    align-items: start;
}
.art-ms-calc .msx-side {
    position: sticky;
    top: 16px;
    background: linear-gradient(180deg, #f8faf5, #fff);
    border: 2px solid var(--art-ms-green);
    border-radius: var(--art-ms-r);
    padding: 20px 16px;
}
.art-ms-calc .msx-side-h {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    font-size: 13px;
    font-weight: 700;
    color: var(--art-ms-green-h);
    text-transform: uppercase;
    letter-spacing: .06em;
}
.art-ms-calc .msx-guide-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid #e8f0e4;
    font-size: 12px;
}
.art-ms-calc .msx-guide-row:last-child { border: none; }
.art-ms-calc .msx-guide-ico {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--art-ms-green-l);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--art-ms-green-d);
    font-size: 14px;
    flex-shrink: 0;
}
.art-ms-calc .msx-guide-row b { color: var(--art-ms-blue); }

.art-ms-calc .msx-panel {
    background: #fff;
    border-radius: var(--art-ms-r);
    box-shadow: 0 8px 32px rgba(5,36,84,.08);
    padding: clamp(20px, 4vw, 32px);
    border: 1px solid #eef0f4;
}
.art-ms-calc .msx-sec-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 700;
    color: var(--art-ms-blue);
}
.art-ms-calc .msx-sec-title i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--art-ms-blue-l);
    color: var(--art-ms-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}
.art-ms-calc .msx-sec-sub {
    margin: 0 0 20px;
    padding-left: 46px;
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

/* room tiles */
.art-ms-calc .msx-room-tiles {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.art-ms-calc .msx-room-tile {
    width: 88px;
    padding: 16px 8px 12px;
    border: 2px solid #e5e8ef;
    border-radius: 14px;
    background: #fafbfc;
    cursor: pointer;
    text-align: center;
    transition: .25s;
    position: relative;
}
.art-ms-calc .msx-room-tile:hover {
    border-color: var(--art-ms-green);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(86,173,86,.15);
}
.art-ms-calc .msx-room-tile.selected {
    border-color: var(--art-ms-green);
    background: var(--art-ms-green-l);
    box-shadow: 0 4px 16px rgba(86,173,86,.2);
}
.art-ms-calc .msx-room-tile.selected::after {
    content: '\F26B';
    font-family: 'bootstrap-icons';
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 14px;
    color: var(--art-ms-green);
}
.art-ms-calc .msx-room-tile i { display: block; font-size: 26px; color: var(--art-ms-blue); margin-bottom: 6px; }
.art-ms-calc .msx-room-tile.selected i { color: var(--art-ms-green-d); }
.art-ms-calc .msx-room-tile b { display: block; font-size: 22px; font-weight: 800; color: var(--art-ms-blue); line-height: 1; }
.art-ms-calc .msx-room-tile span { font-size: 10px; color: #888; text-transform: uppercase; letter-spacing: .04em; }

.art-ms-calc .msx-rooms-grid {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.art-ms-calc .msx-rooms-grid.visible { display: grid; }
.art-ms-calc .msx-rcard {
    border: 2px solid #eceef3;
    border-radius: 14px;
    padding: 16px;
    background: #fafbfc;
    transition: .25s;
}
.art-ms-calc .msx-rcard.filled {
    border-color: var(--art-ms-green);
    background: #fff;
    box-shadow: 0 4px 16px rgba(86,173,86,.1);
}
.art-ms-calc .msx-rcard-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.art-ms-calc .msx-rcard-ico {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--art-ms-blue-l);
    color: var(--art-ms-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.art-ms-calc .msx-rcard.filled .msx-rcard-ico { background: var(--art-ms-green-l); color: var(--art-ms-green-d); }
.art-ms-calc .msx-rcard-head b { display: block; font-size: 13px; color: var(--art-ms-blue); }
.art-ms-calc .msx-rcard-head small { font-size: 11px; color: #999; }
.art-ms-calc .msx-rcard label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #555;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.art-ms-calc .msx-rcard input[type="number"] {
    width: 100%;
    border: none;
    border-bottom: 2px solid #ddd;
    padding: 8px 4px;
    font-size: 20px;
    font-weight: 700;
    color: var(--art-ms-blue);
    background: transparent;
    outline: none;
}
.art-ms-calc .msx-rcard input:focus { border-bottom-color: var(--art-ms-green); }
.art-ms-calc .msx-btu-out { margin-top: 10px; min-height: 36px; }
.art-ms-calc .msx-btu-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--art-ms-green-l);
    border: 1px solid #b8e0a8;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: var(--art-ms-green-d);
}
.art-ms-calc .msx-btu-opts { display: flex; gap: 6px; flex-wrap: wrap; }
.art-ms-calc .msx-btu-opt {
    padding: 6px 12px;
    border: 2px solid #ddd;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    background: #fff;
    color: #555;
    transition: .2s;
}
.art-ms-calc .msx-btu-opt:hover { border-color: var(--art-ms-green); color: var(--art-ms-green-d); }
.art-ms-calc .msx-btu-opt.on { border-color: var(--art-ms-green); background: var(--art-ms-green); color: #fff; }

/* brands */
.art-ms-calc .msx-brands { display: none; margin-bottom: 24px; }
.art-ms-calc .msx-brands.visible { display: block; }
.art-ms-calc .msx-brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}
.art-ms-calc .msx-brand {
    position: relative;
    border: 2px solid #e8ebf0;
    border-radius: 14px;
    padding: 18px 12px 14px;
    background: #fff;
    cursor: pointer;
    text-align: center;
    transition: .25s;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.art-ms-calc .msx-brand:hover {
    border-color: var(--art-ms-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,.08);
}
.art-ms-calc .msx-brand.on {
    border-color: var(--art-ms-green);
    background: var(--art-ms-green-l);
    box-shadow: 0 4px 16px rgba(86,173,86,.18);
}
.art-ms-calc .msx-brand.on::after {
    content: '\F26B';
    font-family: 'bootstrap-icons';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 16px;
    color: var(--art-ms-green);
}
.art-ms-calc .msx-brand img { max-height: 36px; max-width: 100px; object-fit: contain; }
.art-ms-calc .msx-brand-txt { font-size: 12px; font-weight: 700; color: var(--art-ms-blue); }
.art-ms-calc .msx-brand-all i { font-size: 28px; color: var(--art-ms-blue); }
.art-ms-calc .msx-brand-count {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: #888;
    margin-top: 2px;
}
.art-ms-calc .msx-brand.on .msx-brand-count { color: var(--art-ms-green-d); }

.art-ms-calc .msx-cta {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--art-ms-green), var(--art-ms-green-d));
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: .25s;
    box-shadow: 0 6px 20px rgba(86,173,86,.3);
}
.art-ms-calc .msx-cta:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(86,173,86,.4);
}
.art-ms-calc .msx-cta:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.art-ms-calc .msx-cta.ready { animation: artMsPulse 2s infinite; }
@keyframes artMsPulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(86,173,86,.3); }
    50% { box-shadow: 0 6px 28px rgba(86,173,86,.55); }
}

.art-ms-calc .msx-result {
    display: none;
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(135deg, #f0faf0, var(--art-ms-green-l));
    border: 2px solid #b8e0a8;
    border-radius: 14px;
}
.art-ms-calc .msx-result.visible { display: block; }
.art-ms-calc .msx-result-h {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 15px;
    font-weight: 700;
    color: var(--art-ms-green-d);
}
.art-ms-calc .msx-rtable { width: 100%; border-collapse: collapse; font-size: 13px; }
.art-ms-calc .msx-rtable th {
    text-align: left;
    padding: 8px 10px;
    color: var(--art-ms-blue);
    font-weight: 700;
    border-bottom: 2px solid #c8e6b8;
    font-size: 11px;
    text-transform: uppercase;
}
.art-ms-calc .msx-rtable td { padding: 10px; border-bottom: 1px solid #d4ecc8; }
.art-ms-calc .msx-rtable .btu-val {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    color: var(--art-ms-green-d);
}

.art-ms-calc .msx-products {
    display: none;
    margin-top: 28px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(5,36,84,.09);
    padding: clamp(22px, 4vw, 36px);
    border: 1px solid #e8edf4;
}
.art-ms-calc .msx-products.visible { display: block; }
.art-ms-calc .msx-prod-h { text-align: center; margin-bottom: 28px; }
.art-ms-calc .msx-prod-h h2 {
    margin: 0 0 8px;
    font-size: clamp(20px, 3.5vw, 28px);
    font-weight: 800;
    color: var(--art-ms-navy);
    letter-spacing: -.02em;
}
.art-ms-calc .msx-prod-h h2 i { color: var(--art-ms-green); margin-right: 6px; }
.art-ms-calc .msx-prod-h p { margin: 0; font-size: 14px; color: #64748b; }
.art-ms-calc .msx-prod-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    padding: 8px 18px;
    background: linear-gradient(135deg, var(--art-ms-green-l), #fff);
    border: 1px solid #c5e8b8;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    color: var(--art-ms-green-d);
}

/* wrapper rezultate — NU grid (doar stack pe mărci) */
.art-ms-calc .msx-results-wrap {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.art-ms-calc .msx-brand-block {
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 24px rgba(5,36,84,.06);
}
.art-ms-calc .msx-brand-block-h {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: linear-gradient(120deg, var(--art-ms-navy) 0%, var(--art-ms-blue) 55%, #0d4a8f 100%);
    color: #fff;
    border-bottom: 3px solid var(--art-ms-green);
}
.art-ms-calc .msx-brand-block-h img {
    max-height: 40px;
    max-width: 120px;
    width: auto;
    object-fit: contain;
    background: #fff;
    border-radius: 10px;
    padding: 6px 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.art-ms-calc .msx-brand-block-h i { font-size: 32px; color: var(--art-ms-green); }
.art-ms-calc .msx-brand-block-h strong {
    display: block;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: .01em;
}
.art-ms-calc .msx-brand-block-h span {
    display: block;
    font-size: 12px;
    opacity: .88;
    margin-top: 2px;
}

/* grid produse — 2+ coloane desktop, 1 pe mobil */
.art-ms-calc .msx-prod-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 22px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.art-ms-calc .msx-res-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 24px;
    padding: 14px 16px;
    background: #f1f5f9;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
}
.art-ms-calc .msx-res-fbtn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 999px;
    background: #fff;
    font-size: 12px;
    font-weight: 700;
    color: var(--art-ms-blue);
    cursor: pointer;
    transition: .2s;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.art-ms-calc .msx-res-fbtn img { max-height: 20px; max-width: 72px; object-fit: contain; }
.art-ms-calc .msx-res-fbtn span { color: var(--art-ms-green-d); font-weight: 800; }
.art-ms-calc .msx-res-fbtn:hover,
.art-ms-calc .msx-res-fbtn.on {
    border-color: var(--art-ms-green);
    background: var(--art-ms-green-l);
    box-shadow: 0 4px 12px rgba(86,173,86,.15);
}
.art-ms-calc .msx-empty {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
    font-size: 15px;
    line-height: 1.6;
    background: #f8fafc;
    border-radius: 14px;
    border: 1px dashed #cbd5e1;
}

/* ── CARD PRODUS ── */
.art-ms-calc .msx-prod {
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(5,36,84,.05);
}
.art-ms-calc .msx-prod::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--art-ms-green), var(--art-ms-green-h));
    opacity: 0;
    transition: opacity .25s;
}
.art-ms-calc .msx-prod:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(5,36,84,.14);
    border-color: #b8e0a8;
}
.art-ms-calc .msx-prod:hover::before { opacity: 1; }

.art-ms-calc .msx-prod-brand {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    max-height: 24px;
    max-width: 80px;
    object-fit: contain;
    background: #fff;
    border-radius: 6px;
    padding: 3px 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,.08);
}

.art-ms-calc .msx-prod-media {
    display: block;
    text-decoration: none;
    color: inherit;
}
.art-ms-calc .msx-prod-img-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    padding: 20px 16px 12px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    border-bottom: 1px solid #f1f5f9;
}
.art-ms-calc .msx-prod-img-wrap img {
    width: 100%;
    max-width: 220px;
    height: 160px;
    object-fit: contain;
    transition: transform .3s ease;
}
.art-ms-calc .msx-prod:hover .msx-prod-img-wrap img { transform: scale(1.04); }

.art-ms-calc .msx-prod-body {
    flex: 1 1 auto;
    padding: 16px 18px 12px;
    text-align: left;
}
.art-ms-calc .msx-prod-title {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.45;
    color: #1e293b;
    text-decoration: none;
    margin: 0 0 10px;
    min-height: 3.9em;
    transition: color .2s;
}
.art-ms-calc .msx-prod-title:hover { color: var(--art-ms-green-d); }

.art-ms-calc .msx-prod-model,
.art-ms-calc .msx-prod-series {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font-size: 11px;
    color: #64748b;
    margin: 0 0 6px;
    line-height: 1.35;
}
.art-ms-calc .msx-prod-model i,
.art-ms-calc .msx-prod-series i {
    flex-shrink: 0;
    margin-top: 1px;
    color: var(--art-ms-blue);
    opacity: .7;
}
.art-ms-calc .msx-prod-model span,
.art-ms-calc .msx-prod-series span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.art-ms-calc .msx-prod-btu {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0 0;
}
.art-ms-calc .msx-prod-btu-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    background: var(--art-ms-green-l);
    border: 1px solid #b8e0a8;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 800;
    color: var(--art-ms-green-d);
    letter-spacing: .01em;
}
.art-ms-calc .msx-prod-btu-chip i { font-size: 10px; }

.art-ms-calc .msx-prod-foot {
    padding: 14px 18px 18px;
    margin-top: auto;
    border-top: 1px solid #f1f5f9;
    background: #fafbfc;
}
.art-ms-calc .msx-prod-price {
    margin-bottom: 12px;
    text-align: left;
}
.art-ms-calc .msx-prod-price del {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    font-weight: 500;
    margin-bottom: 2px;
}
.art-ms-calc .msx-prod-price strong {
    font-size: 22px;
    font-weight: 800;
    color: var(--art-ms-green-d);
    letter-spacing: -.02em;
    line-height: 1.1;
}
.art-ms-calc .msx-prod-price strong small {
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
}

.art-ms-calc .msx-prod-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 18px;
    background: linear-gradient(135deg, var(--art-ms-navy), var(--art-ms-blue));
    color: #fff;
    border-radius: 10px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    transition: .25s;
    box-shadow: 0 4px 14px rgba(5,36,84,.2);
}
.art-ms-calc .msx-prod-btn:hover {
    background: linear-gradient(135deg, var(--art-ms-green-d), var(--art-ms-green));
    color: #fff;
    box-shadow: 0 6px 18px rgba(86,173,86,.35);
    transform: translateY(-1px);
}

.art-ms-calc .msx-skel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}
.art-ms-calc .msx-skel-card {
    height: 380px;
    border-radius: 16px;
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: artMsShimmer 1.2s infinite;
}

@media (min-width: 1100px) {
    .art-ms-calc .msx-prod-grid,
    .art-ms-calc .msx-skel {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
@media (max-width: 720px) {
    .art-ms-calc .msx-prod-grid,
    .art-ms-calc .msx-skel {
        grid-template-columns: 1fr;
        padding: 16px;
        gap: 16px;
    }
    .art-ms-calc .msx-brand-block-h { padding: 14px 16px; }
    .art-ms-calc .msx-prod-img-wrap { min-height: 160px; }
    .art-ms-calc .msx-prod-img-wrap img { height: 140px; }
}
@keyframes artMsShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.art-ms-calc .msx-offer {
    display: none;
    max-width: 560px;
    margin: 28px auto 0;
    padding: 28px;
    background: #fff;
    border-radius: var(--art-ms-r);
    box-shadow: 0 8px 32px rgba(5,36,84,.08);
    border: 1px solid #eef0f4;
}
.art-ms-calc .msx-offer.visible { display: block; }
.art-ms-calc .msx-offer h3 { text-align: center; color: var(--art-ms-blue); margin: 0 0 16px; font-size: 18px; }
.art-ms-calc .msx-offer label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; color: #555; }
.art-ms-calc .msx-offer input,
.art-ms-calc .msx-offer textarea {
    width: 100%;
    border: none;
    border-bottom: 2px solid #ddd;
    padding: 10px 4px;
    font-size: 15px;
    margin-bottom: 14px;
    outline: none;
    background: transparent;
}
.art-ms-calc .msx-offer input:focus,
.art-ms-calc .msx-offer textarea:focus { border-bottom-color: var(--art-ms-green); }
.art-ms-calc .msx-msg { padding: 14px; border-radius: 10px; text-align: center; margin-top: 12px; font-size: 13px; }
.art-ms-calc .msx-msg.ok { background: #e6f4ea; border: 2px solid var(--art-ms-green); }
.art-ms-calc .msx-msg.err { background: #fdecea; border: 2px solid #e74c3c; }

@media (max-width: 900px) {
    .art-ms-calc .msx-grid { grid-template-columns: 1fr; }
    .art-ms-calc .msx-side { position: static; }
    .art-ms-calc .msx-step-line { display: none; }
}
@media (max-width: 480px) {
    .art-ms-calc .msx-room-tile { width: 72px; }
    .art-ms-calc .msx-room-tile b { font-size: 18px; }
}