:root {
    --primary: #6f6f8f;
    --primary-dark: #43435c;
    --primary-light: #f2f2f7;
    --accent: #e07a2e;
    --accent-hover: #c5631b;
    --bg: #FFFFFF;
    --bg-alt: #f7f7fa;
    --text: #232333;
    --text-muted: #5e5e75;
    --border: #dfdfe8;
    --radius: 14px;
    --shadow: 0 12px 30px -6px rgba(67, 67, 92, 0.09), 0 4px 12px -2px rgba(67, 67, 92, 0.05);
    --shadow-hover: 0 20px 35px -8px rgba(67, 67, 92, 0.16);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
}

body {
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 18px;
}

/* TOPBAR & STICKY HEADER */
.topbar {
    background: var(--primary-dark);
    color: #f2f2f7;
    font-size: 13.5px;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 14px;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-contacts {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.topbar-phones {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.topbar-phone-main {
    color: #ffffff;
    font-weight: 800;
    font-size: 15px;
    text-decoration: none;
    white-space: nowrap;
}

.topbar-phone-mob {
    color: #d8d8ec;
    font-weight: 600;
    font-size: 13.5px;
    text-decoration: none;
    white-space: nowrap;
}

.topbar-sep {
    opacity: 0.4;
}

.topbar-msgr {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 99px;
    white-space: nowrap;
}

.btn-topbar {
    padding: 6px 13px;
    font-size: 13px;
    border-radius: 8px;
    white-space: nowrap;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 3px 12px rgba(67, 67, 92, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 18px;
    gap: 14px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    display: block;
    height: 42px;
    width: auto;
    max-width: 175px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 14.5px;
    transition: color 0.15s;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link-promo {
    color: var(--accent-hover);
    background: #fff7ed;
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid #fed7aa;
    font-weight: 700;
}

/* КНОПКИ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(230, 126, 34, 0.3);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: #fff;
    color: var(--primary-dark);
    border-color: var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.25);
}

.btn-lg {
    padding: 13px 24px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13.5px;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
}

.chip-primary {
    background: #ffffff;
    color: var(--primary-dark);
    border: 1px solid #d4d4e3;
    box-shadow: 0 1px 3px rgba(67, 67, 92, 0.06);
}

/* HERO И ВИЗУАЛИЗАТОР */
.hero {
    padding: 40px 0 54px;
    background: radial-gradient(circle at 15% 20%, var(--primary-light) 0%, #ffffff 70%);
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 36px;
    align-items: center;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.hero-title {
    font-size: clamp(28px, 3.4vw, 42px);
    font-weight: 900;
    color: var(--primary-dark);
    line-height: 1.16;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.text-accent {
    color: var(--accent);
}

.hero-lead {
    font-size: 16.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 26px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    box-shadow: 0 4px 12px rgba(0, 47, 85, 0.04);
}

.stat-num {
    display: block;
    font-size: 25px;
    font-weight: 900;
    color: var(--primary-dark);
    line-height: 1.15;
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.35;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.visualizer-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.visualizer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.visualizer-title {
    font-size: 13.5px;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.visualizer-status {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-dark);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 99px;
}

.visualizer-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.vis-tab {
    flex: 1 1 auto;
    padding: 7px 10px;
    font-size: 12.5px;
    font-weight: 700;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    border-radius: 8px;
    cursor: pointer;
    transition: 0.15s;
}

.vis-tab.active {
    background: var(--primary-dark);
    color: #fff;
    border-color: var(--primary-dark);
}

.visualizer-stage {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
}

.pvc-window-svg {
    width: 100%;
    height: auto;
    display: block;
}

.vis-slider-head {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 6px;
}

.vis-range {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
    margin-bottom: 8px;
}

.vis-hint {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-alt);
    padding: 9px 12px;
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

/* СЕКЦИИ И КАТАЛОГ */
.section {
    padding: 64px 0;
}

.section-alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    margin-bottom: 32px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 5px 12px;
    border-radius: 99px;
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(24px, 2.7vw, 34px);
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 8px;
    letter-spacing: -0.2px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 820px;
}

.catalog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.filter-btn {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 700;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.15s;
}

.filter-btn:hover {
    border-color: var(--primary);
}

.filter-btn.active {
    background: var(--primary-dark);
    color: #fff;
    border-color: var(--primary-dark);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(295px, 1fr));
    gap: 22px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    box-shadow: 0 4px 12px rgba(0, 47, 85, 0.03);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #b8b8cf;
}

.product-thumb {
    position: relative;
    height: 205px;
    background: #e2e8f0;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
}

.product-thumb svg,
.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.product-card:hover .product-thumb svg,
.product-card:hover .product-thumb img {
    transform: scale(1.03);
}

.product-badge-top {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(67, 67, 92, 0.88);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 99px;
}

.product-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-title {
    font-size: 18.5px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-title a {
    color: inherit;
    text-decoration: none;
}

.product-title a:hover {
    color: var(--primary);
}

.product-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 18px;
    flex: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    gap: 8px;
}

.product-price-wrap {
    display: flex;
    flex-direction: column;
}

.product-price-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
}

.product-price {
    font-size: 20px;
    font-weight: 900;
    color: var(--primary-dark);
}

.product-actions {
    display: flex;
    gap: 8px;
}

/* КАЛЬКУЛЯТОР */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: 26px;
    align-items: stretch;
}

.calc-form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.calc-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
}

.form-control {
    padding: 11px 13px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    outline: none;
    font-weight: 500;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(111, 111, 143, 0.18);
}

.calc-dims-box {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
}

.calc-dims-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    font-size: 14px;
    font-weight: 700;
}

.dim-limits-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12.5px;
}

.calc-dims-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 140px;
    gap: 14px;
}

.input-with-range {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-with-range input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
    cursor: pointer;
}

.qty-control {
    display: flex;
    align-items: center;
    gap: 4px;
}

.qty-btn {
    width: 38px;
    height: 42px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}

.qty-input {
    text-align: center;
    width: 100%;
}

.discount-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    height: 100%;
}

.discount-checkbox-label input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.discount-text {
    display: flex;
    flex-direction: column;
    font-size: 13.5px;
}

.discount-text small {
    color: var(--text-muted);
    font-size: 12px;
}

.measure-rule-box {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 14px;
}

.measure-rule-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.calc-summary-card {
    background: var(--primary-dark);
    color: #fff;
    border-radius: 18px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.summary-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.14);
    color: #e2e2f0;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 99px;
    margin-bottom: 10px;
}

.calc-summary-top h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
}

.summary-price-wrap {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 18px;
}

.summary-price-label {
    font-size: 13px;
    color: #cbd5e1;
}

.summary-price {
    font-size: 38px;
    font-weight: 900;
    color: #fde047;
    line-height: 1.15;
}

.summary-subprice {
    font-size: 13px;
    color: #d8d8ec;
}

.summary-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 9px;
    font-size: 14px;
    margin-bottom: 20px;
}

.summary-details li {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
    padding-bottom: 6px;
}

.summary-details li span {
    color: #cbd5e1;
}

.calc-summary-note {
    font-size: 12.5px;
    color: #cbd5e1;
    text-align: center;
    margin-top: 10px;
}

/* АКЦИИ И ПРОЦЕСС РАБОТЫ */
.promos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.promo-banner {
    border-radius: 18px;
    padding: 30px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    box-shadow: var(--shadow);
}

.promo-banner-1 {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.promo-banner-2 {
    background: linear-gradient(135deg, #323246 0%, #52526e 100%);
}

.promo-badge {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.16);
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 12.5px;
    font-weight: 700;
}

.promo-banner h3 {
    font-size: 22px;
    font-weight: 800;
}

.promo-banner p {
    font-size: 15px;
    color: #e2e8f0;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.workflow-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 26px;
    box-shadow: var(--shadow);
}

.wf-step {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 12.5px;
    padding: 4px 12px;
    border-radius: 99px;
    margin-bottom: 12px;
}

.workflow-card h3 {
    font-size: 19px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.workflow-card p {
    font-size: 14.5px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.wf-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13.5px;
    background: var(--bg-alt);
    padding: 14px;
    border-radius: 10px;
}

/* О ПРОИЗВОДСТВЕ (SEO БЛОК ДЛЯ КЛИЕНТОВ) */
.about-seo-card {
    display: grid;
    grid-template-columns: 1.45fr 0.85fr;
    gap: 32px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.about-seo-content h2 {
    font-size: 26px;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 14px;
}

.about-seo-content p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.about-seo-content strong {
    color: var(--text);
}

.about-trust-box {
    background: var(--primary-light);
    border: 1px solid #d4d4e3;
    border-radius: 14px;
    padding: 24px;
}

.about-trust-box h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 14px;
}

.trust-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: var(--text);
}

/* СТРАНИЦА ОТДЕЛЬНОЙ КАТЕГОРИИ (ВНУТРЕННЯЯ СТРАНИЦА) */
.subpage-wrap {
    padding: 36px 0 64px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.subpage-hero {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 32px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 32px;
    align-items: center;
}

.subpage-visual {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    height: 310px;
}

.subpage-visual svg {
    width: 100%;
    height: 100%;
    display: block;
}

.subpage-info h1 {
    font-size: clamp(24px, 2.8vw, 34px);
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.subpage-price-tag {
    display: inline-block;
    font-size: 24px;
    font-weight: 900;
    color: var(--accent-hover);
    background: #fff7ed;
    border: 1px solid #fed7aa;
    padding: 6px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
}

.subpage-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 24px;
}

.subpage-box {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
}

.subpage-box h2 {
    font-size: 20px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.subpage-box ul {
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14.5px;
}

/* FOOTER */
.footer {
    background: var(--primary-dark);
    color: #cbd5e1;
    padding: 52px 0 26px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr 1fr;
    gap: 28px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-title {
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 0.6px;
}

.footer-desc {
    font-size: 13.5px;
    margin-top: 10px;
    line-height: 1.6;
}

.footer h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 12px;
}

.footer-links,
.footer-contacts {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-size: 13.5px;
}

.footer-links a,
.footer-contacts a {
    color: #d8d8ec;
    text-decoration: none;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
}

.footer-seo-files {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-file-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #e2e2f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s;
}

.footer-file-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

/* МОДАЛЬНОЕ ОКНО */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(45, 45, 64, 0.62);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-overlay.open {
    display: flex;
}

.modal-dialog {
    background: #fff;
    width: 100%;
    max-width: 480px;
    border-radius: 18px;
    padding: 28px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    border: none;
    background: var(--bg-alt);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 700;
}

.modal-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 8px 0 18px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-quick-send {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-muted);
    text-align: center;
}

.modal-quick-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.subpage-url-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: var(--primary-light);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--primary-dark);
    flex-wrap: wrap;
}

.subpage-url-bar code {
    font-weight: 700;
    color: var(--primary-dark);
    background: #fff;
    padding: 2px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.lead-success {
    background: #dcfce7;
    color: #166534;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
}

@media (max-width: 980px) {
    .hero-grid,
    .calc-wrapper,
    .promos-grid,
    .workflow-grid,
    .about-seo-card,
    .subpage-hero,
    .subpage-details-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .calc-dims-grid,
    .calc-row-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hide-xs {
        display: none;
    }
    .topbar {
        padding: 6px 0;
        font-size: 12.5px;
    }
    .topbar-inner {
        gap: 6px;
    }
    .topbar-address {
        font-size: 12px;
    }
    .topbar-contacts {
        width: 100%;
        justify-content: space-between;
        gap: 8px;
    }
    .topbar-phone-main {
        font-size: 14px;
    }
    .topbar-phone-mob,
    .topbar-sep {
        display: none;
    }
    .header-inner {
        padding: 6px 12px;
        gap: 10px;
    }
    .logo-img {
        height: 32px;
        max-width: 125px;
    }
    .nav {
        gap: 10px;
    }
    .nav-link {
        font-size: 13px;
    }
    .nav-link-promo {
        padding: 3px 8px;
        font-size: 12.5px;
    }
    .hero {
        padding: 20px 0 32px;
    }
    .hero-title {
        font-size: 24px;
    }
    .hero-lead {
        font-size: 14.5px;
        margin-bottom: 16px;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 18px;
    }
    .stat-card {
        padding: 10px 12px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .stat-num {
        font-size: 20px;
        margin-bottom: 0;
        min-width: 58px;
    }
    .section {
        padding: 38px 0;
    }
    .calc-form-card,
    .calc-summary-card,
    .promo-banner,
    .workflow-card,
    .about-seo-card {
        padding: 18px;
    }
    .summary-price {
        font-size: 30px;
    }
}