:root {
    --bg: #f6f7f5;
    --surface: #ffffff;
    --surface-strong: #eef2ef;
    --text: #17201c;
    --muted: #5f6b65;
    --line: #d9e0dc;
    --accent: #1f7a64;
    --accent-dark: #145948;
    --signal: #d64c2f;
    --ink: #101614;
    --radius: 8px;
    --shadow: 0 18px 50px rgba(23, 32, 28, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 76px;
    padding: 12px clamp(16px, 4vw, 56px);
    background: rgba(246, 247, 245, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 260px;
}

.brand__mark {
    display: block;
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
}

.brand__mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand strong,
.brand small {
    display: block;
}

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

.main-nav {
    display: flex;
    flex: 1;
    justify-content: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 12px;
    color: var(--muted);
    border-radius: 8px;
}

.main-nav a:hover {
    color: var(--text);
    background: var(--surface-strong);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.phone-link {
    font-weight: 700;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 760;
    text-align: center;
    cursor: pointer;
}

.button--primary {
    color: #fff;
    background: var(--accent);
}

.button--primary:hover {
    background: var(--accent-dark);
}

.button--secondary {
    color: var(--text);
    background: var(--surface);
    border-color: var(--line);
}

.button--ghost {
    color: var(--accent-dark);
    background: transparent;
    border-color: var(--line);
}

.button--wide {
    width: 100%;
}

.messages {
    max-width: 1180px;
    margin: 16px auto 0;
    padding: 0 20px;
}

.message {
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
}

.hero,
.page-hero,
.section,
.product-detail {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(38px, 7vw, 92px) 20px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
    gap: clamp(24px, 5vw, 64px);
    align-items: center;
    padding-top: clamp(32px, 4vw, 54px);
    padding-bottom: clamp(32px, 4vw, 54px);
}

.hero h1,
.page-hero h1 {
    max-width: 880px;
    margin: 12px 0 18px;
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1.02;
}

.hero p,
.page-hero p,
.section-head p {
    max-width: 720px;
    color: var(--muted);
    font-size: 18px;
}

.eyebrow {
    color: var(--signal);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.trust-row span {
    padding: 8px 10px;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 13px;
}

.hero-panel,
.check-panel,
.lead-form,
.price-box {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 28px;
}

.hero-panel strong,
.check-panel strong {
    display: block;
    margin-bottom: 14px;
    font-size: 20px;
}

.hero-panel ol,
.check-panel ul {
    display: grid;
    gap: 12px;
    margin: 0;
    padding-left: 22px;
    color: var(--muted);
}

.hero-panel__note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.section--soft {
    max-width: none;
    background: var(--surface-strong);
}

.section--soft > * {
    max-width: 1140px;
    margin-right: auto;
    margin-left: auto;
}

.section-head {
    margin-bottom: 28px;
}

.section-head h2,
.split h2,
.form-head h2 {
    margin: 8px 0 10px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.08;
}

.solution-grid,
.category-grid,
.product-grid,
.doc-list {
    display: grid;
    gap: 18px;
}

.solution-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.category-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-card,
.category-card,
.product-card,
.doc-card,
.contact-list a,
.contact-list div {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.solution-card {
    display: flex;
    flex-direction: column;
    min-height: 210px;
    padding: 22px;
}

.solution-card span,
.product-card small,
.doc-card span,
.contact-list span {
    color: var(--muted);
    font-size: 13px;
}

.solution-card strong,
.category-card strong,
.doc-card strong {
    display: block;
    margin: 10px 0 8px;
    font-size: 20px;
    line-height: 1.2;
}

.solution-card p,
.category-card small {
    color: var(--muted);
}

.solution-card em {
    display: block;
    margin-top: auto;
    padding-top: 14px;
    color: var(--accent-dark);
    font-size: 13px;
    font-style: normal;
    font-weight: 800;
}

.solution-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.solution-list div,
.solution-detail-card,
.solution-flow div {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.solution-list div {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 14px;
}

.solution-list strong,
.solution-flow strong {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    color: #fff;
    background: var(--accent);
    border-radius: 8px;
}

.solution-list span,
.solution-detail-card span,
.solution-flow span {
    color: var(--muted);
}

.solution-detail-grid,
.solution-flow {
    display: grid;
    gap: 14px;
}

.solution-detail-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.solution-detail-card {
    display: grid;
    gap: 10px;
    min-height: 150px;
    padding: 18px;
}

.solution-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-flow div {
    display: grid;
    gap: 12px;
    align-content: start;
    min-height: 170px;
    padding: 18px;
}

.order-steps,
.info-grid {
    display: grid;
    gap: 14px;
}

.order-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.order-steps--five {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.order-steps div,
.order-steps article,
.info-grid div {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.order-steps div,
.order-steps article {
    display: grid;
    gap: 10px;
    align-content: start;
    min-height: 210px;
    padding: 18px;
}

.order-steps div > strong:first-child,
.order-steps article > span:first-child {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    color: #fff;
    background: var(--accent);
    border-radius: 8px;
    font-weight: 800;
}

.order-steps article > strong {
    font-size: 18px;
    line-height: 1.2;
}

.order-steps h3 {
    margin: 0;
    font-size: 20px;
}

.order-steps p {
    margin: 0;
    color: var(--muted);
}

.info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-grid div {
    display: grid;
    gap: 6px;
    padding: 18px;
}

.info-grid span {
    color: var(--muted);
}

.info-grid p {
    margin: 0;
    color: var(--muted);
}

.choice-grid,
.compare-grid,
.steel-grid {
    display: grid;
    gap: 14px;
}

.choice-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.steel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-card,
.compare-card,
.steel-card {
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.choice-card {
    min-height: 250px;
}

.choice-card h3,
.compare-card h3 {
    margin: 0;
    font-size: 20px;
}

.choice-card p,
.compare-card p,
.steel-card p {
    margin: 0;
    color: var(--muted);
}

.compare-card span,
.steel-card span {
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 760;
    text-transform: uppercase;
}

.compare-card small {
    color: var(--muted);
}

.steel-card strong {
    font-size: 22px;
}

.plain-list {
    display: grid;
    gap: 10px;
    padding-left: 20px;
    color: var(--muted);
}

.selector-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.46fr) minmax(0, 0.54fr);
    gap: clamp(18px, 4vw, 34px);
    align-items: start;
}

.selector-panel,
.selector-result {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.selector-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 18px;
}

.selector-panel--wizard {
    grid-template-columns: 1fr;
    gap: 12px;
}

.selector-progress {
    display: grid;
    gap: 8px;
    padding: 12px 14px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.selector-progress span {
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 800;
}

.selector-progress__track {
    height: 8px;
    overflow: hidden;
    background: #dfe7e2;
    border-radius: 999px;
}

.selector-progress__track span {
    display: block;
    width: 20%;
    height: 100%;
    background: var(--accent);
    border-radius: inherit;
}

.selector-step {
    display: grid;
    gap: 12px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.selector-layout.is-enhanced .selector-step {
    display: none;
}

.selector-layout.is-enhanced .selector-step.is-active {
    display: grid;
}

.selector-step__count {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    color: #fff;
    background: var(--accent);
    border-radius: 8px;
    font-weight: 800;
}

.selector-step p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.selector-step__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.selector-panel label {
    display: grid;
    gap: 6px;
}

.selector-panel label > span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 760;
}

.selector-panel select {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    color: var(--text);
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.selector-result {
    display: grid;
    gap: 14px;
    padding: 22px;
}

.selector-result h3 {
    margin: 0;
    font-size: 28px;
}

.selector-result p {
    margin: 0;
    color: var(--muted);
}

.selector-result__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.selector-result__grid div {
    padding: 14px;
    background: var(--surface-strong);
    border-radius: 8px;
}

.selector-result__grid strong {
    display: block;
    margin-bottom: 8px;
}

.selector-result__grid ul {
    display: grid;
    gap: 7px;
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.selector-note {
    padding: 12px 14px;
    background: rgba(31, 122, 100, 0.1);
    border: 1px solid rgba(31, 122, 100, 0.16);
    border-radius: 8px;
}

.selector-transfer {
    color: var(--muted);
    font-size: 13px;
}

.scheme-grid {
    display: grid;
    gap: 18px;
}

.scheme-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.58fr);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.scheme-card__visual {
    position: relative;
    align-self: start;
    height: 360px;
    min-height: 360px;
    background:
        linear-gradient(180deg, rgba(31, 122, 100, 0.09), rgba(214, 76, 47, 0.06)),
        var(--surface-strong);
}

.scheme-house,
.scheme-roof,
.scheme-pipe,
.scheme-device,
.scheme-label {
    position: absolute;
}

.scheme-house {
    right: 15%;
    bottom: 54px;
    left: 15%;
    height: 150px;
    background: #fff;
    border: 2px solid rgba(23, 32, 28, 0.18);
    border-radius: 8px;
}

.scheme-roof {
    right: 11%;
    bottom: 195px;
    left: 11%;
    height: 68px;
    background: var(--accent-dark);
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.scheme-pipe {
    width: 22px;
    background: var(--signal);
    border-radius: 8px;
    box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.35);
}

.scheme-device {
    width: 66px;
    height: 48px;
    background: var(--ink);
    border-radius: 8px 8px 4px 4px;
}

.scheme-label {
    padding: 5px 8px;
    color: #fff;
    background: rgba(16, 22, 20, 0.72);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 760;
}

.scheme-label--top {
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
}

.scheme-label--device {
    right: 18%;
    bottom: 32px;
}

.scheme-card__visual--roof .scheme-pipe,
.scheme-card__visual--home .scheme-pipe,
.scheme-card__visual--replace .scheme-pipe {
    top: 36px;
    left: 50%;
    height: 225px;
    transform: translateX(-50%);
}

.scheme-card__visual--roof .scheme-device,
.scheme-card__visual--home .scheme-device,
.scheme-card__visual--replace .scheme-device {
    bottom: 72px;
    left: calc(50% - 33px);
}

.scheme-card__visual--wall .scheme-pipe,
.scheme-card__visual--boiler .scheme-pipe,
.scheme-card__visual--service .scheme-pipe {
    top: 44px;
    right: 18%;
    height: 238px;
}

.scheme-card__visual--wall .scheme-pipe::after,
.scheme-card__visual--boiler .scheme-pipe::after,
.scheme-card__visual--service .scheme-pipe::after {
    position: absolute;
    right: 0;
    bottom: 46px;
    width: 92px;
    height: 22px;
    content: "";
    background: var(--signal);
    border-radius: 8px;
}

.scheme-card__visual--wall .scheme-device,
.scheme-card__visual--boiler .scheme-device,
.scheme-card__visual--service .scheme-device {
    right: 42%;
    bottom: 94px;
}

.scheme-card__body {
    display: grid;
    gap: 14px;
    align-content: start;
    padding: 24px;
}

.scheme-card__body h3 {
    margin: 0;
    font-size: 26px;
}

.scheme-card__body p {
    margin: 0;
    color: var(--muted);
}

.scheme-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.scheme-columns strong {
    display: block;
    margin-bottom: 8px;
}

.scheme-columns ul {
    display: grid;
    gap: 7px;
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.scheme-note {
    padding: 12px 14px;
    background: var(--surface-strong);
    border-radius: 8px;
}

.scheme-preview {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.scheme-preview__item {
    display: grid;
    gap: 8px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.scheme-preview__item span {
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 760;
    text-transform: uppercase;
}

.scheme-preview__item strong {
    font-size: 20px;
}

.object-grid,
.review-grid {
    display: grid;
    gap: 18px;
}

.object-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.object-grid--compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.object-card,
.review-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.object-card {
    display: grid;
    grid-template-columns: minmax(210px, 0.42fr) minmax(0, 0.58fr);
}

.object-grid--compact .object-card {
    grid-template-columns: 1fr;
}

.object-card__image {
    display: grid;
    place-items: center;
    min-height: 250px;
    color: var(--muted);
    background: linear-gradient(135deg, #e8eeeb, #f7f7f4);
    font-weight: 760;
}

.object-card__image img {
    width: 100%;
    height: 100%;
    min-height: 250px;
    object-fit: cover;
}

.object-card__body,
.review-card {
    display: grid;
    gap: 14px;
    align-content: start;
    padding: 20px;
}

.object-card__body h3 {
    margin: 0;
    font-size: 24px;
    line-height: 1.15;
}

.object-card__body p,
.review-card p {
    margin: 0;
    color: var(--muted);
}

.object-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.object-card__meta span {
    padding: 6px 8px;
    color: var(--accent-dark);
    background: rgba(31, 122, 100, 0.1);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 760;
}

.object-facts {
    display: grid;
    gap: 10px;
    margin: 0;
}

.object-facts div {
    display: grid;
    gap: 3px;
}

.object-facts dt {
    color: var(--text);
    font-weight: 800;
}

.object-facts dd {
    margin: 0;
    color: var(--muted);
}

.review-card__rating {
    display: flex;
    gap: 3px;
    color: #b7c4be;
    font-size: 18px;
    line-height: 1;
}

.review-card__rating .is-active {
    color: var(--signal);
}

.review-card footer {
    display: grid;
    gap: 3px;
    margin-top: auto;
}

.review-card footer span,
.review-card footer a {
    color: var(--muted);
    font-size: 13px;
}

.review-card footer a {
    color: var(--accent-dark);
    font-weight: 760;
}

.faq-layout {
    display: grid;
    grid-template-columns: minmax(260px, 0.45fr) minmax(0, 0.55fr);
    gap: clamp(22px, 4vw, 48px);
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 10px;
}

.faq-list--compact {
    max-width: 920px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-item summary {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 58px;
    padding: 15px 46px 15px 18px;
    font-weight: 760;
    cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 18px;
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    color: #fff;
    content: "+";
    background: var(--accent);
    border-radius: 6px;
    transform: translateY(-50%);
}

.faq-item[open] summary::after {
    content: "-";
}

.faq-item p {
    margin: 0;
    padding: 0 18px 18px;
    color: var(--muted);
}

.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.result-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.result-strip span {
    padding: 10px 12px;
    color: var(--accent-dark);
    background: rgba(31, 122, 100, 0.1);
    border: 1px solid rgba(31, 122, 100, 0.18);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 760;
}

.category-card {
    display: grid;
    min-height: 230px;
    padding: 18px;
}

.category-card__image,
.product-card__image,
.image-placeholder {
    display: grid;
    place-items: center;
    min-height: 130px;
    color: var(--muted);
    background: linear-gradient(135deg, #e6ebe8, #f8f8f6);
    border-radius: 8px;
}

.placeholder-icon {
    font-size: 42px;
    color: var(--accent);
}

.product-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.product-card__image {
    min-height: 190px;
    border-radius: 0;
}

.product-placeholder {
    display: grid;
    place-items: center;
    gap: 12px;
    width: 100%;
    min-height: 190px;
    padding: 18px;
    color: var(--muted);
}

.product-placeholder__pipe {
    position: relative;
    display: block;
    width: 74px;
    height: 118px;
    border: 10px solid rgba(31, 122, 100, 0.26);
    border-top-width: 18px;
    border-bottom-width: 18px;
    border-radius: 40px;
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(31, 122, 100, 0.18) 0,
            rgba(31, 122, 100, 0.18) 8px,
            rgba(255, 255, 255, 0.65) 8px,
            rgba(255, 255, 255, 0.65) 18px
        );
}

.product-placeholder__pipe::before,
.product-placeholder__pipe::after {
    position: absolute;
    right: -36px;
    left: -36px;
    height: 10px;
    content: "";
    background: rgba(31, 122, 100, 0.18);
    border-radius: 999px;
}

.product-placeholder__pipe::before {
    top: 18px;
}

.product-placeholder__pipe::after {
    bottom: 18px;
}

.product-placeholder__label {
    font-size: 13px;
    font-weight: 760;
}

.product-placeholder--large {
    min-height: 420px;
}

.product-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 18px;
}

.product-card__topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.product-card__topline span {
    color: var(--muted);
    font-size: 12px;
    white-space: nowrap;
}

.product-card h3 {
    min-height: 52px;
    margin: 6px 0 8px;
    font-size: 20px;
    line-height: 1.25;
}

.product-card p {
    color: var(--muted);
}

.product-spec-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 14px 0 0;
}

.product-spec-list div {
    min-width: 0;
    padding: 10px;
    background: var(--surface-strong);
    border-radius: 8px;
}

.product-spec-list dt,
.product-spec-list dd {
    margin: 0;
}

.product-spec-list dt {
    color: var(--muted);
    font-size: 12px;
}

.product-spec-list dd {
    overflow-wrap: anywhere;
    font-size: 13px;
    font-weight: 760;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}

.product-meta span {
    padding: 6px 8px;
    background: var(--surface-strong);
    border-radius: 8px;
    font-size: 12px;
}

.product-card__price {
    display: grid;
    gap: 2px;
    margin-top: auto;
    padding-top: 16px;
}

.product-card__price span,
.product-card__price small {
    color: var(--muted);
    font-size: 12px;
}

.product-card__price strong {
    font-size: 20px;
    line-height: 1.15;
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 14px;
}

.empty-state {
    grid-column: 1 / -1;
    display: grid;
    justify-items: start;
    gap: 10px;
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.empty-state strong {
    font-size: 22px;
}

.empty-state p {
    max-width: 680px;
    margin: 0;
    color: var(--muted);
}

.empty-state--compact {
    max-width: 720px;
}

.thanks-hero {
    padding-bottom: 42px;
}

.thanks-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
    gap: 22px;
    padding-top: 0;
}

.thanks-card {
    display: grid;
    gap: 16px;
    align-content: start;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.thanks-card--accent {
    background:
        linear-gradient(135deg, rgba(31, 122, 100, 0.1), rgba(214, 76, 47, 0.06)),
        var(--surface);
}

.thanks-card h2 {
    margin: 0;
    font-size: 28px;
}

.thanks-card p {
    margin: 0;
    color: var(--muted);
}

.thanks-checklist {
    display: grid;
    gap: 10px;
}

.thanks-checklist div {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.thanks-checklist strong {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    color: #fff;
    background: var(--accent);
    border-radius: 8px;
}

.thanks-checklist span {
    color: var(--text);
    font-weight: 700;
}

.thanks-flow {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.thanks-flow li {
    display: grid;
    gap: 4px;
    padding: 14px;
    background: var(--surface-strong);
    border-radius: 8px;
}

.thanks-flow span {
    color: var(--muted);
}

.thanks-actions {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1fr);
    gap: 22px;
    align-items: center;
}

.cta-band {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.8fr);
    gap: 28px;
    align-items: start;
}

.lead-form {
    padding: 24px;
}

.form-head span {
    color: var(--signal);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.form-head h2 {
    font-size: 28px;
}

.form-head p,
.policy {
    color: var(--muted);
}

.policy {
    margin-bottom: 0;
    font-size: 13px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 18px 0;
}

.form-grid__wide {
    grid-column: 1 / -1;
}

.quick-quiz {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.quick-quiz__head {
    grid-column: 1 / -1;
    display: grid;
    gap: 2px;
}

.quick-quiz__head strong {
    font-size: 18px;
}

.quick-quiz__head span {
    color: var(--muted);
    font-size: 13px;
}

label span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 13px;
}

.field-help {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    padding: 11px 12px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
}

textarea {
    resize: vertical;
}

.consent-check {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    margin: 14px 0;
    padding: 12px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.consent-check input {
    width: 18px;
    min-width: 18px;
    height: 18px;
    min-height: 18px;
    margin: 2px 0 0;
    padding: 0;
}

.consent-check span {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.consent-check a {
    color: var(--accent-dark);
    font-weight: 760;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.legal-layout {
    display: grid;
    grid-template-columns: minmax(220px, 0.32fr) minmax(0, 0.68fr);
    gap: clamp(20px, 4vw, 44px);
    align-items: start;
}

.legal-summary,
.legal-document {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.legal-summary {
    position: sticky;
    top: 96px;
    display: grid;
    gap: 12px;
    padding: 20px;
}

.legal-summary strong {
    font-size: 22px;
}

.legal-summary p {
    margin: 0;
    color: var(--muted);
}

.legal-document {
    display: grid;
    gap: 0;
    padding: 8px 24px;
}

.legal-document section {
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.legal-document section:last-child {
    border-bottom: 0;
}

.legal-document h2 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.18;
}

.legal-document p,
.legal-document li {
    color: var(--muted);
}

.legal-document p {
    margin: 0 0 10px;
}

.legal-document ul {
    display: grid;
    gap: 8px;
    margin: 0;
    padding-left: 20px;
}

.legal-note {
    font-size: 13px;
}

.filter-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(160px, 1fr)) auto auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.product-detail {
    display: grid;
    grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 56px);
    align-items: start;
}

.product-detail__media {
    position: sticky;
    top: 96px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-detail__media img,
.image-placeholder {
    width: 100%;
    min-height: 420px;
    object-fit: cover;
}

.product-detail h1 {
    margin: 10px 0 14px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.02;
}

.product-lead {
    color: var(--muted);
    font-size: 18px;
}

.product-action-panel {
    display: grid;
    gap: 14px;
    margin: 20px 0;
}

.price-box {
    display: grid;
    gap: 4px;
    padding: 18px;
}

.price-box span,
.price-box small {
    color: var(--muted);
}

.price-box strong {
    font-size: 28px;
}

.product-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-trust-list {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-trust-list li {
    position: relative;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14px;
}

.product-trust-list li::before {
    position: absolute;
    top: 0.65em;
    left: 0;
    width: 7px;
    height: 7px;
    content: "";
    background: var(--accent);
    border-radius: 999px;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.spec-grid div {
    padding: 14px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.spec-grid span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.check-grid div {
    display: grid;
    gap: 8px;
    min-height: 150px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.check-grid strong {
    font-size: 20px;
}

.check-grid span {
    color: var(--muted);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.55fr);
    gap: 32px;
    align-items: start;
}

.check-panel {
    padding: 24px;
}

.doc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.doc-list--rich {
    align-items: stretch;
}

.doc-card {
    display: grid;
    gap: 8px;
    align-content: start;
    min-height: 190px;
    padding: 20px;
}

.doc-card em {
    display: block;
    margin-top: auto;
    color: var(--accent-dark);
    font-style: normal;
    font-weight: 760;
}

.doc-card--pending {
    color: inherit;
}

.doc-card--pending em {
    color: var(--muted);
}

.trust-grid,
.document-group-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-card,
.document-group-card {
    display: grid;
    gap: 8px;
    align-content: start;
    min-height: 190px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.trust-card strong,
.document-group-card strong {
    font-size: 20px;
    line-height: 1.2;
}

.trust-card p,
.document-group-card p {
    margin: 0;
    color: var(--muted);
}

.document-group-card span {
    color: var(--signal);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.number-list {
    display: grid;
    gap: 10px;
    padding-left: 22px;
    color: var(--muted);
}

.contact-list {
    display: grid;
    gap: 12px;
}

.contact-list a,
.contact-list div {
    display: grid;
    gap: 4px;
    padding: 18px;
}

.site-footer {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr 0.7fr;
    gap: 28px;
    padding: 42px clamp(20px, 4vw, 56px) 92px;
    color: #dce6e1;
    background: var(--ink);
}

.site-footer a,
.site-footer span,
.site-footer p {
    display: block;
    color: #b7c4be;
}

.site-footer strong {
    display: block;
    margin-bottom: 10px;
    color: #fff;
}

.muted {
    color: var(--muted);
}

.mobile-bar {
    display: none;
}

@media (max-width: 1120px) {
    .site-header {
        gap: 12px;
        padding-right: 16px;
        padding-left: 16px;
    }

    .brand {
        min-width: 200px;
    }

    .brand small {
        display: none;
    }

    .main-nav {
        justify-content: flex-start;
        gap: 4px;
    }

    .main-nav a {
        padding: 8px 7px;
        font-size: 14px;
    }

    .header-actions {
        gap: 8px;
    }

    .header-actions .button {
        padding-right: 12px;
        padding-left: 12px;
    }
}

@media (max-width: 980px) {
    .site-header {
        align-items: flex-start;
    }

    .main-nav,
    .header-actions {
        display: none;
    }

    .brand {
        min-width: 0;
    }

    .hero,
    .product-detail,
    .cta-band,
    .split,
    .faq-layout,
    .legal-layout,
    .selector-layout,
    .scheme-card {
        grid-template-columns: 1fr;
    }

    .product-detail__media {
        position: static;
    }

    .legal-summary {
        position: static;
    }

    .hero {
        min-height: auto;
        padding-top: 44px;
        padding-bottom: 34px;
    }

    .solution-grid,
    .category-grid,
    .product-grid,
    .doc-list,
    .solution-detail-grid,
    .solution-flow,
    .order-steps,
    .info-grid,
    .choice-grid,
    .steel-grid,
    .trust-grid,
    .document-group-grid,
    .scheme-preview,
    .object-grid,
    .object-grid--compact,
    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .object-card {
        grid-template-columns: 1fr;
    }

    .order-steps--five {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-bar {
        grid-template-columns: 1fr 1fr;
    }

    .check-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    html {
        scroll-padding-bottom: 96px;
    }

    body {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    .site-header {
        min-height: 64px;
        padding: 10px 14px;
    }

    .brand__mark {
        width: 40px;
        height: 40px;
    }

    .brand small {
        display: none;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 34px;
    }

    .hero-panel {
        display: none;
    }

    .solution-grid,
    .category-grid,
    .product-grid,
    .doc-list,
    .form-grid,
    .quick-quiz,
    .spec-grid,
    .product-spec-list,
    .check-grid,
    .filter-bar,
    .solution-detail-grid,
    .solution-flow,
    .order-steps,
    .info-grid,
    .choice-grid,
    .compare-grid,
    .steel-grid,
    .scheme-columns,
    .selector-panel,
    .selector-result__grid,
    .trust-grid,
    .document-group-grid,
    .scheme-preview,
    .object-grid,
    .object-grid--compact,
    .review-grid {
        grid-template-columns: 1fr;
    }

    .scheme-card__visual {
        height: 260px;
        min-height: 260px;
    }

    .scheme-card__body {
        padding: 18px;
    }

    .scheme-card__body h3 {
        font-size: 22px;
    }

    .product-card__footer,
    .product-actions,
    .hero__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .product-card__topline {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .product-placeholder--large,
    .product-detail__media img,
    .image-placeholder {
        min-height: 280px;
    }

    .button {
        width: 100%;
    }

    .section-actions {
        display: grid;
    }

    .legal-document {
        padding: 4px 16px;
    }

    .legal-document h2 {
        font-size: 21px;
    }

    .order-steps--five {
        grid-template-columns: 1fr;
    }

    .site-footer {
        grid-template-columns: 1fr;
        padding-bottom: 100px;
    }

    .mobile-bar {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 40;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
        gap: 1px;
        padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
        background: rgba(16, 22, 20, 0.94);
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 -16px 38px rgba(16, 22, 20, 0.2);
    }

    .mobile-bar a {
        display: grid;
        place-items: center;
        min-width: 0;
        min-height: 48px;
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 8px;
        font-size: 13px;
        font-weight: 760;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-bar a:last-child {
        background: var(--accent);
    }
}