/* ========================================
   CALCULATOR PAGE — КАЛЬКУЛЯТОР ПАМЯТНИКОВ (DARK THEME)
   Синий акцент «Отдел памятников» на тёмном фоне.
   ======================================== */

.calculator-container {
    --accent:        oklch(68% 0.035 235);
    --accent-hover:  oklch(58% 0.035 235);
    --accent-soft:   oklch(68% 0.035 235 / 0.16);
    --accent-border: oklch(68% 0.035 235 / 0.4);
    --accent-text:   oklch(78% 0.03 235);
    --card:          oklch(19% 0.007 50);
    --card-2:        oklch(21% 0.008 50);
    --line:          oklch(100% 0 0 / 0.1);
    --line-2:        oklch(100% 0 0 / 0.16);
    --ink:           oklch(97% 0.004 70);
    --txt:           oklch(96% 0.006 70);
    --txt-2:         oklch(70% 0.015 60);
    --txt-3:         oklch(58% 0.014 60);

    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(24px, 5vw, 48px) 0 90px;
    color: var(--txt);
}

/* Фон страницы калькулятора — тёмный, на весь экран */
.calculator-container::before {
    content: '';
    position: fixed;
    inset: 0;
    background: oklch(15% 0.006 50);
    z-index: -1;
    pointer-events: none;
}

/* ── ШАПКА ── */
.calc-hero { text-align: center; padding: 0 1rem 2.5rem; }
.calc-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.2;
    margin: 0 0 12px;
}
.calc-title::before {
    content: 'Памятники';
    display: block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}
.calc-subtitle { font-size: 16px; color: var(--txt-2); margin: 0 auto; max-width: 520px; line-height: 1.6; }

/* ── ЛОАДЕРЫ ── */
.global-loader {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem 1rem;
    color: var(--txt-2);
    font-weight: 500;
}
.loader-spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--line);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: calc-spin 0.8s linear infinite;
}
@keyframes calc-spin { to { transform: rotate(360deg); } }

.calc-loading, .calc-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 1.5rem;
    color: var(--txt-2);
    font-size: 0.9rem;
}

.calc-error {
    background: oklch(63% 0.2 25 / 0.14);
    border: 1px solid oklch(63% 0.2 25 / 0.5);
    color: oklch(80% 0.12 25);
    border-radius: 14px;
    padding: 1rem 1.5rem;
    margin: 0 auto 1.5rem;
    max-width: 600px;
    text-align: center;
    font-weight: 600;
}

/* ── ПРОГРЕСС ── */
.calc-progress {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: 0 auto 44px;
    max-width: 420px;
    padding: 0 1rem;
}
.progress-step { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 84px; flex-shrink: 0; }
.progress-step span { font-size: 13px; color: var(--txt-2); font-weight: 500; white-space: nowrap; }
.ps-dot {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: oklch(100% 0 0 / 0.08);
    border: 1px solid var(--line-2);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    color: var(--txt-2);
    transition: all 0.3s;
}
.progress-step.active .ps-dot { background: var(--accent); border-color: var(--accent); color: #fff; }
.progress-step.done .ps-dot { background: var(--accent); border-color: var(--accent); color: #fff; }
.progress-step.done span, .progress-step.active span { color: var(--ink); }
.progress-line { flex: 1; height: 2px; background: var(--line-2); margin: 16px 4px 0; }

/* ── ТЕЛО ── */
.calculator-body { display: flex; flex-direction: column; gap: 1.5rem; }

/* ── ШАГИ (карточки) ── */
.calc-step {
    background: var(--card);
    border-radius: 20px;
    padding: clamp(20px, 4vw, 32px);
    border: 1px solid var(--line);
    transition: all 0.35s ease;
}
.step-hidden { display: none !important; }

.calc-step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.step-badge {
    width: 30px; height: 30px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
    flex-shrink: 0;
}
.step-header-text { flex: 1; }
.step-title { font-size: 19px; font-weight: 700; color: var(--ink); margin: 0 0 0.2rem; }
.step-hint { font-size: 13.5px; color: var(--txt-2); margin: 0; }

/* ── НАВИГАЦИЯ ПОДШАГОВ РАЗМЕРА ── */
.size-nav { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; flex-wrap: wrap; }
.size-back {
    display: inline-flex; align-items: center; gap: 0.3rem;
    font-size: 14px; color: var(--accent); font-weight: 600;
    background: none; border: none;
    padding: 0; cursor: pointer;
}
.size-back:hover { color: var(--accent-hover); }
.size-crumbs { font-size: 14px; color: var(--txt-2); font-weight: 500; }

/* Подшаг: ориентация */
.orient-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.orient-card {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px 16px;
    display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
    cursor: pointer; transition: all 0.2s;
    color: var(--txt);
    text-align: center;
}
.orient-card:hover { border-color: var(--accent-border); background: var(--accent-soft); transform: translateY(-2px); }
.orient-svg { width: 52px; height: 52px; color: var(--accent); }
.orient-name { font-size: 16px; font-weight: 700; color: var(--ink); }
.orient-sub { font-size: 13.5px; color: var(--txt-2); }

/* Подшаг: категория */
.category-grid { display: flex; flex-direction: column; gap: 12px; }
.category-card {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    display: flex; align-items: center; gap: 1rem;
    cursor: pointer; transition: all 0.2s;
    text-align: left; width: 100%;
    color: var(--txt);
}
.category-card:hover { border-color: var(--accent-border); background: var(--accent-soft); transform: translateY(-2px); }
.category-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); }
.category-main { flex: 1; display: flex; flex-direction: column; }
.category-name { font-size: 16px; font-weight: 700; color: var(--ink); }
.category-sub { font-size: 13px; color: var(--txt-2); margin-top: 1px; }
.category-arrow { font-size: 1.3rem; color: var(--accent); flex-shrink: 0; }

/* ── СЕТКА РАЗМЕРОВ ── */
.size-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.8rem; }
.size-card {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1rem 0.9rem;
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    cursor: pointer; transition: all 0.2s;
    text-align: center;
    color: var(--txt);
}
.size-card:hover { border-color: var(--accent-border); background: var(--accent-soft); transform: translateY(-2px); }
.size-card.selected { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent-border); }
.size-dims-row { display: flex; align-items: flex-end; justify-content: center; gap: 0.35rem; }
.size-dim { display: flex; flex-direction: column; align-items: center; }
.size-num { font-size: 1.5rem; font-weight: 800; color: var(--ink); line-height: 1; }
.size-lbl { font-size: 0.6rem; color: var(--txt-2); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px; }
.size-x { font-size: 1.2rem; color: var(--accent); font-weight: 700; padding-bottom: 15px; }
.size-unit {
    font-size: 0.78rem; font-weight: 700; color: var(--txt);
    background: oklch(100% 0 0 / 0.08);
    border-radius: 6px; padding: 2px 7px; margin-left: 6px; align-self: center;
}
.size-hint { font-size: 0.75rem; color: var(--accent-text); font-weight: 600; line-height: 1.3; }

/* ── КНОПКИ ФОРМ ── */
.form-buttons { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.7rem; }
.form-card {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1rem 0.8rem;
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    cursor: pointer; transition: all 0.2s;
    text-align: center; color: var(--txt);
}
.form-card:hover { border-color: var(--accent-border); background: var(--accent-soft); transform: translateY(-2px); }
.form-card.selected { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent-border); }
.form-icon { width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; margin-bottom: 0.2rem; color: var(--accent); }
.form-icon svg { display: block; }
.form-label { font-size: 0.9rem; font-weight: 700; color: var(--ink); }
.form-price { font-size: 0.9rem; color: var(--accent-text); font-weight: 700; }
.form-desc { font-size: 0.72rem; color: var(--txt-2); line-height: 1.3; }

/* ── БЛОК «ВНЕШНИЙ ВИД И УСЛУГИ» ── */
.design-layout { display: grid; grid-template-columns: 300px 1fr; gap: 1.6rem; align-items: stretch; }
.design-layout.no-model { grid-template-columns: 1fr; }
.design-model.is-hidden { display: none; }
.design-services { min-width: 0; }

.vybor-card {
    height: 100%; box-sizing: border-box;
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.1rem;
    display: flex; flex-direction: column;
}
.vybor-title { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--txt-2); font-weight: 700; margin-bottom: 0.8rem; }
.design-services-hint { font-size: 0.85rem; color: var(--txt-2); margin: 0 0 0.9rem; line-height: 1.4; }
.vybor-card .model-preview { flex: 0 0 auto; display: flex; flex-direction: column; }

.model-card { margin: 0; flex: 0 0 auto; display: flex; flex-direction: column; gap: 0.7rem; }
.model-card-img {
    position: relative; width: 100%; height: 320px; flex: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: oklch(100% 0 0 / 0.03);
    overflow: hidden; padding: 0; cursor: pointer; display: block;
}
/* Фото моделей со студийным белым фоном: светлая подложка + multiply,
   чтобы белый фон снимка сливался с плиткой и памятник выглядел без фона. */
.model-card-img:has(img) { background: linear-gradient(180deg, oklch(98% 0.003 75), oklch(92% 0.006 75)); border-color: oklch(100% 0 0 / 0.14); }
.model-card-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; padding: 14px; box-sizing: border-box; mix-blend-mode: multiply; }
.model-card-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.45rem;
    background: oklch(0% 0 0 / 0.55); color: #fff;
    opacity: 0; transition: opacity 0.2s ease;
}
.model-card-img:hover .model-card-overlay, .model-card-img:focus-visible .model-card-overlay { opacity: 1; }
.model-card-overlay svg { width: 30px; height: 30px; }
.model-card-overlay-text { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.3px; }
.model-card-caption { font-size: 0.95rem; color: var(--txt); text-align: center; }
.model-card-caption strong { color: var(--accent-text); }
.model-no-img { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--txt-2); font-size: 0.8rem; text-align: center; }

.model-pick-empty {
    width: 100%; flex: 1; min-height: 240px;
    border: 2px dashed var(--line-2);
    border-radius: 16px;
    background: oklch(100% 0 0 / 0.02);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.6rem;
    cursor: pointer; color: var(--accent); font-weight: 700; font-size: 0.92rem;
    transition: all 0.2s ease;
}
.model-pick-empty:hover { background: var(--accent-soft); border-color: var(--accent-border); }
.model-pick-icon { display: flex; }
.model-pick-icon svg { width: 32px; height: 32px; }

.design-recap:empty { display: none; }
.design-recap { margin-top: 0.9rem; }
.design-recap-row { display: flex; justify-content: space-between; gap: 0.6rem; font-size: 0.85rem; padding: 0.35rem 0; }
.design-recap-row + .design-recap-row { border-top: 1px solid var(--line); }
.design-recap-key { color: var(--txt-2); }
.design-recap-val { color: var(--txt); font-weight: 700; text-align: right; }

.design-help { margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); text-align: center; }
.design-help-text { font-size: 0.9rem; color: var(--txt-2); line-height: 1.5; }
.design-help-link { color: var(--accent); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; white-space: nowrap; }
.design-help-link:hover { color: var(--accent-hover); }

@media (max-width: 760px) {
    .design-layout { grid-template-columns: 1fr; gap: 1.2rem; }
    .design-model { width: 100%; max-width: 320px; margin: 0 auto; }
    .model-card-img { height: 280px; }
    .model-card-overlay { opacity: 1; background: linear-gradient(to top, oklch(0% 0 0 / 0.62), oklch(0% 0 0 / 0) 42%); justify-content: flex-end; padding-bottom: 0.7rem; }
}

/* ── БЛОКИ ОПЦИЙ ── */
.options-list { display: flex; flex-direction: column; gap: 0.8rem; }
.opt-block {
    background: var(--card-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.1rem 1.2rem;
    transition: all 0.2s;
}
.opt-block:hover { border-color: var(--line-2); }
.opt-block.enabled { border-color: var(--accent); background: var(--accent-soft); }
.opt-header { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; }
.opt-title-group { display: flex; align-items: center; gap: 0.8rem; flex: 1; }
.opt-icon { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); }
.opt-icon svg { display: block; }
.opt-name { font-size: 0.92rem; font-weight: 700; color: var(--ink); }
.opt-subname { font-size: 0.75rem; color: var(--txt-2); margin-top: 1px; }
.opt-price { font-size: 0.85rem; font-weight: 700; color: var(--accent-text); white-space: nowrap; min-width: 80px; text-align: right; }

.opt-toggle-wrap { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: oklch(100% 0 0 / 0.18); border-radius: 24px; cursor: pointer; transition: 0.25s; }
.toggle-slider:before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: 0.25s; box-shadow: 0 1px 4px oklch(0% 0 0 / 0.4); }
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(20px); }

.opt-body { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.3s ease, opacity 0.25s ease, margin-top 0.25s ease; margin-top: 0; }
.opt-body.open { max-height: 300px; opacity: 1; margin-top: 0.9rem; }
.opt-choices-label { font-size: 0.76rem; color: var(--txt-2); font-weight: 700; margin-bottom: 0.5rem; }
.opt-choices { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.opt-choice-btn {
    border: 1px solid var(--line-2);
    border-radius: 11px;
    padding: 0.5rem 0.85rem;
    background: oklch(100% 0 0 / 0.03);
    cursor: pointer;
    font-size: 0.83rem; font-weight: 600; color: var(--txt);
    display: flex; flex-direction: column; align-items: center; gap: 1px;
    transition: all 0.18s;
}
.opt-choice-btn small { font-size: 0.7rem; font-weight: 400; color: var(--accent-text); }
.opt-choice-btn:hover { border-color: var(--accent-border); }
.opt-choice-btn.selected { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent-border); }
.opt-note-inline { font-size: 0.78rem; font-style: italic; color: var(--txt-2); font-weight: 600; }

/* ── ИТОГ ── */
.calc-summary {
    background: oklch(23% 0.008 50);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 1.5rem;
    color: var(--txt);
}
.summary-total-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.summary-label { font-size: 1rem; font-weight: 600; color: var(--txt-2); }
.summary-total { font-size: 2rem; font-weight: 800; color: var(--accent-text); letter-spacing: -0.5px; }
.summary-breakdown { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.8rem; }
.bd-item { display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem; }
.bd-label { font-size: 0.82rem; color: var(--txt-2); flex: 1; }
.bd-price { font-size: 0.85rem; font-weight: 700; color: var(--txt); white-space: nowrap; }
.bd-item-dims { padding-bottom: 0.5rem; border-bottom: 1px solid var(--line); margin-bottom: 0.2rem; }
.bd-dims { font-size: 0.76rem; color: var(--txt-3); font-style: italic; }
.bd-note { font-style: italic; color: var(--accent-text) !important; font-weight: 600 !important; }
.summary-note { font-size: 0.72rem; color: var(--txt-3); margin: 0; line-height: 1.4; }
.summary-dynamic-note { font-size: 0.72rem; color: var(--txt-2); margin: 0.5rem 0 0; line-height: 1.4; font-style: italic; }

/* ── ФОРМА ЗАЯВКИ ── */
.contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.2rem; }
.field-group { display: flex; flex-direction: column; gap: 0.4rem; }
.field-label { font-size: 0.82rem; font-weight: 600; color: var(--txt-2); }
.field-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--line-2);
    border-radius: 10px;
    background: var(--card-2);
    font-size: 0.95rem; font-family: inherit; color: var(--txt);
    transition: border-color 0.2s; outline: none;
}
.field-input::placeholder { color: var(--txt-3); }
.field-input:focus { border-color: var(--accent); }
.contact-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.consent-label { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.82rem; color: var(--txt-2); cursor: pointer; flex: 1; }
.consent-label a { color: var(--accent); text-decoration: underline; }
.consent-label input { margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); cursor: pointer; }
.btn-submit {
    background: var(--accent);
    color: oklch(14% 0.015 235);
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem; font-weight: 700;
    cursor: pointer; transition: all 0.2s; white-space: nowrap; flex-shrink: 0;
    font-family: inherit;
}
.btn-submit:hover:not(:disabled) { background: var(--accent-hover); }
.btn-submit:disabled { opacity: 0.45; cursor: not-allowed; }
.consent-micro { font-size: 0.68rem; color: var(--txt-3); margin: 0; }
.submit-status { display: block; font-size: 0.88rem; color: oklch(72% 0.15 150); margin-top: 0.6rem; font-weight: 600; }

/* ── МОДАЛЬНОЕ ОКНО ВЫБОРА МОДЕЛИ ── */
.monument-modal-overlay {
    position: fixed; inset: 0;
    background: oklch(0% 0 0 / 0.65);
    backdrop-filter: blur(3px);
    z-index: 1000; opacity: 0; visibility: hidden; transition: all 0.25s;
}
.monument-modal-overlay.active { opacity: 1; visibility: visible; }
.monument-modal {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -48%) scale(0.97);
    width: min(720px, 92vw); max-height: 88vh;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: 0 24px 60px oklch(0% 0 0 / 0.6);
    z-index: 1001; display: flex; flex-direction: column;
    opacity: 0; visibility: hidden; transition: all 0.25s;
}
.monument-modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--line); }
.modal-header h3 { margin: 0; font-size: 1.1rem; color: var(--ink); font-weight: 700; }
.modal-close-btn { background: none; border: none; font-size: 1.8rem; line-height: 1; color: var(--txt-2); cursor: pointer; padding: 0; width: 32px; height: 32px; border-radius: 50%; transition: all 0.2s; }
.modal-close-btn:hover { background: oklch(100% 0 0 / 0.08); color: var(--ink); }
.modal-filters { display: flex; gap: 0.5rem; padding: 1rem 1.5rem 0; flex-wrap: wrap; }
.modal-filter-btn { border: 1px solid var(--line-2); background: var(--card-2); border-radius: 20px; padding: 0.4rem 1rem; font-size: 0.82rem; font-weight: 600; color: var(--txt-2); cursor: pointer; transition: all 0.2s; }
.modal-filter-btn:hover { border-color: var(--accent-border); }
.modal-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.modal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.8rem; padding: 1.2rem 1.5rem; overflow-y: auto; flex: 1; }
.modal-loading { grid-column: 1 / -1; text-align: center; padding: 2rem; color: var(--txt-2); }
.modal-model-card {
    border: 1px solid var(--line-2);
    border-radius: 14px;
    background: var(--card-2);
    padding: 0; cursor: pointer; transition: all 0.2s; overflow: hidden;
    display: flex; flex-direction: column; min-height: 255px;
    color: var(--txt);
}
.modal-model-card:hover { border-color: var(--accent-border); transform: translateY(-2px); }
.modal-model-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-border); }
.modal-model-img { width: 100%; height: 215px; flex-shrink: 0; box-sizing: border-box; padding: 12px; display: flex; align-items: center; justify-content: center; background: oklch(100% 0 0 / 0.03); overflow: hidden; }
/* Светлая студийная подложка + multiply прячет белый фон снимка. */
.modal-model-img:has(img) { background: linear-gradient(180deg, oklch(98% 0.003 75), oklch(92% 0.006 75)); }
.modal-model-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; mix-blend-mode: multiply; }
.modal-img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--txt-2); font-size: 0.75rem; }
.modal-model-info { padding: 0.6rem; display: flex; flex-direction: column; gap: 2px; text-align: center; }
.modal-model-code { font-size: 0.85rem; font-weight: 700; color: var(--ink); }
.modal-model-orient { font-size: 0.7rem; color: var(--txt-2); }
.modal-footer { display: flex; justify-content: flex-end; gap: 0.8rem; padding: 1rem 1.5rem; border-top: 1px solid var(--line); }
.btn-cancel { background: var(--card-2); border: 1px solid var(--line-2); color: var(--txt-2); border-radius: 8px; padding: 0.6rem 1.4rem; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all 0.2s; font-family: inherit; }
.btn-cancel:hover { background: oklch(100% 0 0 / 0.06); color: var(--txt); }

/* ── АДАПТИВ ── */
@media (max-width: 640px) {
    .calc-step { padding: 1.1rem; border-radius: 16px; }
    .size-grid { grid-template-columns: 1fr; gap: 0.6rem; }
    .form-buttons { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
    .contact-fields { grid-template-columns: 1fr; }
    .contact-footer { flex-direction: column; align-items: stretch; }
    .btn-submit { width: 100%; text-align: center; padding: 0.9rem; font-size: 1rem; }
    .summary-total { font-size: 1.6rem; }
    .calc-progress span { font-size: 11px; }
    .modal-grid { grid-template-columns: repeat(auto-fill, minmax(125px, 1fr)); }
}