:root {
  --hart-red: #d90d18;
  --hart-red-dark: #b70812;
  --hart-text: #080b10;
  --hart-muted: #5b6270;
  --hart-line: #e3e5e9;
  --hart-soft: #f6f7f9;
  --hart-dark: #17191c;
  --hart-container: min(1180px, calc(100% - 72px));
}

.hart-body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--hart-text);
  background: #fff;
}

.hart-container {
  width: var(--hart-container);
  margin-inline: auto;
}

.hart-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid var(--hart-line);
  box-shadow: 0 8px 28px rgba(15, 23, 42, .04);
}

.hart-header__row {
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: 30px;
}

.hart-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.hart-brand img {
  display: block;
  width: 142px;
  height: auto;
}

.hart-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  flex: 1;
}

.hart-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.hart-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 64px;
  color: #101319;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

.hart-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: transparent;
}

.hart-nav__link:hover,
.hart-nav__link.is-active {
  color: var(--hart-red);
}

.hart-nav__link:hover::after,
.hart-nav__link.is-active::after {
  background: var(--hart-red);
}

.hart-lang {
  color: #101319;
  font-size: 13px;
  font-weight: 700;
}

.hart-cta,
.hart-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 18px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.hart-cta,
.hart-btn--primary {
  background: var(--hart-red);
  color: #fff;
  box-shadow: 0 8px 18px rgba(217, 13, 24, .18);
}

.hart-cta:hover,
.hart-btn--primary:hover {
  background: var(--hart-red-dark);
  color: #fff;
}

.hart-btn--outline {
  border-color: var(--hart-red);
  background: #fff;
  color: #20242c;
}

.hart-btn--outline:hover {
  color: var(--hart-red);
}

.hart-btn--light {
  border-color: #d7dbe2;
  background: #fff;
  color: #1c2430;
}

.hart-burger {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--hart-line);
  border-radius: 4px;
  place-items: center;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
}

.hart-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #111827;
}

.hart-main {
  min-height: 60vh;
}

.hart-breadcrumbs {
  padding-top: 22px;
  color: #7b828f;
  font-size: 13px;
}

.hart-breadcrumbs a {
  color: #7b828f;
}

.hart-home-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.97) 0 33%, rgba(255,255,255,.78) 46%, rgba(255,255,255,.06) 70%),
    url("../images/v3-hero-house.jpg") center right / cover no-repeat;
}

.hart-home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(300px, 360px);
  align-items: center;
  justify-content: space-between;
  min-height: 360px;
  gap: 48px;
}

.hart-home-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.05rem);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: 0;
}

.hart-home-hero h1 strong {
  display: block;
  font-weight: 800;
}

.hart-home-hero p {
  max-width: 520px;
  margin: 20px 0 0;
  color: #111827;
  font-size: 15px;
  line-height: 1.55;
}

.hart-home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hart-home-hero__panel {
  justify-self: end;
  width: min(100%, 360px);
  padding: 28px 32px;
  background: rgba(9, 11, 14, .78);
  color: #fff;
}

.hart-home-hero__panel ul,
.hart-feature-row,
.hart-checks {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hart-home-hero__panel li + li {
  margin-top: 22px;
}

.hart-home-hero__panel strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}

.hart-home-hero__panel span {
  color: rgba(255,255,255,.82);
  font-size: 12px;
  line-height: 1.5;
}

.hart-trustline {
  border-bottom: 1px solid var(--hart-line);
  background: #fff;
}

.hart-trustline .hart-container,
.hart-feature-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
}

.hart-trustline span,
.hart-feature-row li {
  min-height: 64px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-right: 1px solid var(--hart-line);
  color: #20242c;
  font-size: 13px;
  font-weight: 700;
  padding: 0 20px;
}

.hart-trustline b {
  display: block;
  line-height: 1.25;
}

.hart-trustline small {
  display: block;
  margin-top: 4px;
  color: #6b7280;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.25;
}

.hart-trustline span:last-child,
.hart-feature-row li:last-child {
  border-right: 0;
}

.hart-system-block {
  display: grid;
  grid-template-columns: 250px minmax(330px, 1fr) 360px;
  gap: 42px;
  align-items: center;
  padding: 52px 0 42px;
}

.hart-system-block h2,
.hart-home-cats h2,
.hart-consult h2,
.hart-related h2 {
  margin: 0 0 22px;
  font-size: clamp(1.35rem, 2.1vw, 1.8rem);
  line-height: 1.18;
}

.hart-system-block img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.hart-system-block ol {
  margin: 0;
  padding-left: 1.35rem;
  color: #243044;
  line-height: 2.05;
}

.hart-system-block p {
  color: var(--hart-muted);
  line-height: 1.65;
}

.hart-home-cats {
  padding: 28px 0 52px;
}

.hart-home-cats h2 {
  text-align: center;
}

.hart-home-cats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.hart-home-cats__grid a,
.hart-info-cards a,
.hart-product-card,
.hart-related__grid a {
  border: 1px solid var(--hart-line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, .04);
}

.hart-home-cats__grid a {
  min-height: 116px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 116px;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 14px;
  color: var(--hart-text);
  text-decoration: none;
}

.hart-home-cats__grid img {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  height: 78px;
  object-fit: contain;
}

.hart-home-cats__grid strong {
  display: block;
  font-size: 15px;
  line-height: 1.25;
}

.hart-home-cats__grid p {
  margin: 7px 0 10px;
  color: #475061;
  font-size: 12px;
  line-height: 1.35;
}

.hart-home-cats__grid span,
.hart-info-cards span,
.hart-card-action {
  color: var(--hart-red);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hart-audience {
  background:
    linear-gradient(rgba(13, 15, 18, .82), rgba(13, 15, 18, .82)),
    url("../images/hart-facade.jpg") center / cover no-repeat;
  color: #fff;
}

.hart-audience .hart-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hart-audience a {
  min-height: 142px;
  padding: 34px 36px;
  color: #fff;
  text-decoration: none;
  border-right: 1px solid rgba(255,255,255,.16);
}

.hart-audience a:last-child {
  border-right: 0;
}

.hart-audience strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.hart-audience span {
  color: rgba(255,255,255,.78);
  line-height: 1.55;
}

.hart-contact-band {
  padding: 46px 0;
  background: #f7f8fa;
}

.hart-contact-band .hart-container {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(360px, 1fr) minmax(230px, 280px);
  gap: 36px;
  align-items: center;
}

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

.hart-mini-form input,
.hart-mini-form select {
  min-height: 48px;
  border: 1px solid #dde1e7;
  border-radius: 4px;
  padding: 0 16px;
  background: #fff;
  color: #4b5563;
}

.hart-mini-form button {
  grid-column: 1 / -1;
}

.hart-contact-band__details {
  margin: 0;
  padding: 0;
  list-style: none;
  color: #4b5563;
  font-size: 14px;
  line-height: 1.45;
}

.hart-contact-band__details li + li {
  margin-top: 14px;
}

.hart-category-hero {
  background: linear-gradient(180deg, #fff 0%, #f7f8fa 100%);
  border-bottom: 1px solid var(--hart-line);
}

.hart-category-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 480px) minmax(360px, 1fr);
  gap: 44px;
  align-items: center;
  min-height: 310px;
  padding-bottom: 34px;
}

.hart-category-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.65rem);
  line-height: 1.05;
  font-weight: 800;
}

.hart-category-hero p,
.hart-product__lead {
  color: #2c3340;
  font-size: 17px;
  line-height: 1.6;
}

.hart-category-hero__visual {
  position: relative;
  min-height: 260px;
  display: grid;
  place-items: end;
  overflow: hidden;
}

.hart-category-hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.88), rgba(255,255,255,.1)),
    url("../images/hart-facade.jpg") center / cover no-repeat;
  opacity: .75;
}

.hart-category-hero__img {
  position: relative;
  z-index: 1;
  max-width: min(100%, 520px);
  max-height: 250px;
  object-fit: contain;
}

.hart-feature-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.hart-feature-row li {
  min-height: 44px;
  padding-right: 16px;
  font-size: 13px;
}

.hart-catalog {
  padding: 38px 0 30px;
}

.hart-catalog__layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.hart-filters h2 {
  margin: 0 0 18px;
  font-size: 16px;
}

.hart-filter {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--hart-line);
  border-bottom: 0;
  background: #fff;
  padding: 0 16px;
  color: #222936;
  font-weight: 700;
  text-align: left;
}

.hart-filter:first-of-type {
  border-radius: 6px 6px 0 0;
}

.hart-filter:nth-of-type(5) {
  border-bottom: 1px solid var(--hart-line);
  border-radius: 0 0 6px 6px;
}

.hart-help {
  margin-top: 28px;
  border-radius: 6px;
  padding: 22px;
  background: #f6f7f9;
}

.hart-help p {
  color: var(--hart-muted);
  font-size: 13px;
}

.hart-help a {
  color: var(--hart-red);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hart-catalog__tabs {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.hart-catalog__tabs a {
  min-width: 58px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  padding: 0 16px;
  color: #202631;
  text-decoration: none;
  font-size: 13px;
}

.hart-catalog__tabs a.is-active {
  background: var(--hart-red);
  color: #fff;
}

.hart-catalog__tabs span {
  margin-left: auto;
  color: #697180;
  font-size: 13px;
}

.hart-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.hart-product-card {
  min-width: 0;
}

.hart-product-card a {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.hart-product-card__media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 205px;
  padding: 18px;
}

.hart-product-card__img {
  max-width: 100%;
  max-height: 170px;
  object-fit: contain;
}

.hart-badge {
  position: absolute;
  left: 16px;
  top: 14px;
  border-radius: 3px;
  background: var(--hart-red);
  color: #fff;
  padding: 5px 8px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.hart-product-card h2 {
  margin: 0;
  padding: 0 18px;
  font-size: 18px;
  line-height: 1.25;
}

.hart-product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 18px 0;
}

.hart-product-card__tags span {
  border: 1px solid var(--hart-line);
  border-radius: 4px;
  padding: 4px 8px;
  color: #475061;
  font-size: 12px;
}

.hart-product-card p {
  flex: 1;
  margin: 12px 0 0;
  padding: 0 18px;
  color: var(--hart-muted);
  font-size: 13px;
  line-height: 1.5;
}

.hart-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px;
  min-height: 42px;
  border: 1px solid var(--hart-line);
  border-radius: 4px;
  padding: 0 14px;
  color: #111827;
}

.hart-consult {
  display: grid;
  grid-template-columns: 1.25fr 1fr auto;
  gap: 30px;
  align-items: center;
  margin-top: 16px;
  margin-bottom: 36px;
  border: 1px solid var(--hart-line);
  border-radius: 6px;
  padding: 30px 54px;
  background: #fff;
}

.hart-consult p {
  margin: 0;
  color: var(--hart-muted);
}

.hart-consult ul {
  margin: 0;
  color: #394253;
  line-height: 2;
}

.hart-info-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 40px;
}

.hart-info-cards a {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 18px;
  min-height: 110px;
  padding: 14px;
  color: #111827;
  text-decoration: none;
}

.hart-info-cards img {
  width: 100%;
  height: 82px;
  object-fit: contain;
}

.hart-product {
  padding-bottom: 34px;
  background: #fff;
}

.hart-product__hero {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 580px);
  gap: 58px;
  align-items: start;
  padding-top: 42px;
}

.hart-gallery__main {
  display: grid;
  place-items: center;
  min-height: 430px;
  border: 1px solid var(--hart-line);
  border-radius: 6px;
  overflow: hidden;
  background: #f4f1ec;
}

.hart-gallery__main img {
  width: 100%;
  height: 100%;
  max-height: 430px;
  object-fit: contain;
}

.hart-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.hart-gallery__thumbs button {
  border: 1px solid var(--hart-line);
  border-radius: 4px;
  background: #fff;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}

.hart-gallery__thumbs button.is-active {
  border-color: var(--hart-red);
}

.hart-gallery__thumb {
  display: block;
  width: 100%;
  height: 78px;
  object-fit: cover;
}

.hart-product__summary h1 {
  margin: 0;
  max-width: 600px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}

.hart-feature-row--product {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--hart-line);
  border-bottom: 1px solid var(--hart-line);
  padding: 20px 0;
}

.hart-feature-row--product li {
  min-height: 54px;
  padding: 0 12px;
  align-items: center;
}

.hart-spec-list {
  margin: 24px 0;
}

.hart-spec-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 6px 0;
}

.hart-spec-list dt {
  color: #101319;
  font-weight: 800;
}

.hart-spec-list dd {
  margin: 0;
  color: #4b5563;
}

.hart-product__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hart-tabs {
  border-top: 1px solid var(--hart-line);
  padding: 32px 0 0;
}

.hart-tabs__nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-bottom: 1px solid var(--hart-line);
}

.hart-tabs__nav button {
  min-height: 58px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: #fff;
  color: #1f2632;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.hart-tabs__nav button.is-active {
  border-color: var(--hart-red);
  color: var(--hart-red);
}

.hart-tab-panel {
  padding: 34px 0;
}

.hart-tab-panel.is-active {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 560px);
  gap: 58px;
  align-items: start;
}

.hart-tab-panel__text {
  color: #333b48;
  line-height: 1.75;
}

.hart-checks {
  margin-top: 20px;
}

.hart-checks li {
  position: relative;
  padding-left: 26px;
  margin: 12px 0;
}

.hart-checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--hart-red);
  font-weight: 800;
}

.hart-effect-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: #f2f3f5;
}

.hart-effect-card__img {
  display: block;
  width: 100%;
  height: 330px;
  object-fit: cover;
  filter: grayscale(.1);
}

.hart-effect-card span {
  position: absolute;
  right: 24px;
  top: 24px;
  color: #1d2430;
  font-size: 22px;
  font-weight: 700;
}

.hart-related {
  border: 1px solid var(--hart-line);
  border-radius: 6px;
  padding: 30px;
  margin-bottom: 38px;
  background: #fafbfc;
}

.hart-related__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.hart-related__grid a {
  display: grid;
  place-items: center;
  gap: 12px;
  min-height: 150px;
  padding: 14px;
  color: #101319;
  text-align: center;
  text-decoration: none;
}

.hart-related__grid img {
  max-width: 100%;
  max-height: 92px;
  object-fit: contain;
}

.hart-consult--compact {
  grid-template-columns: 1fr auto;
}

.hart-footer {
  background: radial-gradient(circle at 20% 0, #2f3338 0, #17191c 42%, #121416 100%);
  color: rgba(255,255,255,.82);
  padding: 48px 0 24px;
}

.hart-footer__grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(4, minmax(140px, 1fr));
  gap: 38px;
}

.hart-footer__logo img {
  width: 128px;
  height: auto;
  filter: brightness(0) invert(1);
}

.hart-footer__about p {
  max-width: 270px;
  margin: 18px 0;
  color: rgba(255,255,255,.72);
  line-height: 1.55;
}

.hart-social span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  font-weight: 800;
}

.hart-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hart-footer__col h2 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hart-footer__col a,
.hart-footer__col span {
  color: rgba(255,255,255,.78);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
}

.hart-footer__col a:hover {
  color: #fff;
}

.hart-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 20px;
  color: rgba(255,255,255,.62);
  font-size: 13px;
}

.hart-footer__bottom a {
  color: rgba(255,255,255,.72);
}

@media (max-width: 1120px) {
  :root { --hart-container: min(100% - 32px, 1200px); }
  .hart-nav { gap: 16px; }
  .hart-product-grid,
  .hart-home-cats__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hart-system-block { grid-template-columns: 1fr 1fr; }
  .hart-system-block > div:last-child { grid-column: 1 / -1; }
  .hart-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hart-header__row { min-height: 68px; }
  .hart-burger { display: grid; }
  .hart-nav-wrap {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px 16px 22px;
    border-top: 1px solid var(--hart-line);
    background: #fff;
  }
  .v3-nav-toggle:checked + .hart-burger + .hart-nav-wrap { display: flex; }
  .hart-nav { flex-direction: column; align-items: stretch; gap: 0; }
  .hart-nav__link { min-height: 40px; }
  .hart-lang { display: none; }
  .hart-cta { width: 100%; }
  .hart-home-hero__grid,
  .hart-category-hero__grid,
  .hart-product__hero,
  .hart-catalog__layout,
  .hart-tab-panel.is-active,
  .hart-contact-band .hart-container,
  .hart-consult,
  .hart-consult--compact {
    grid-template-columns: 1fr;
  }
  .hart-home-hero__panel { justify-self: stretch; }
  .hart-trustline .hart-container,
  .hart-feature-row,
  .hart-feature-row--product,
  .hart-tabs__nav,
  .hart-audience .hart-container,
  .hart-info-cards,
  .hart-related__grid {
    grid-template-columns: 1fr;
  }
  .hart-trustline span,
  .hart-feature-row li,
  .hart-audience a {
    border-right: 0;
    border-bottom: 1px solid var(--hart-line);
  }
  .hart-product-grid,
  .hart-home-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .hart-brand img { width: 128px; }
  .hart-home-hero h1,
  .hart-category-hero h1,
  .hart-product__summary h1 { font-size: 2rem; }
  .hart-home-hero__grid { min-height: auto; padding: 48px 0; }
  .hart-product-grid,
  .hart-home-cats__grid,
  .hart-mini-form,
  .hart-footer__grid {
    grid-template-columns: 1fr;
  }
  .hart-product-card__media { min-height: 170px; }
  .hart-gallery__main { min-height: 280px; }
  .hart-consult { padding: 24px; }
}

/* Front page mockup alignment */
@media (min-width: 861px) {
  .hart-header {
    box-shadow: none;
  }

  .hart-header__row {
    min-height: 62px;
  }

  .hart-brand img {
    width: 142px;
  }

  .hart-nav {
    gap: 28px;
  }

  .hart-nav__link {
    min-height: 62px;
    font-size: 12px;
    font-weight: 700;
  }

  .hart-cta {
    min-width: 116px;
    min-height: 36px;
    padding-inline: 16px;
  }

  .hart-home-hero {
    background:
      linear-gradient(90deg, rgba(255,255,255,.98) 0 36%, rgba(255,255,255,.74) 50%, rgba(255,255,255,.08) 72%),
      url("../images/v3-hero-house.jpg") center right / cover no-repeat;
  }

  .hart-home-hero__grid {
    grid-template-columns: minmax(0, 520px) 336px;
    min-height: 358px;
    gap: 36px;
  }

  .hart-home-hero__copy {
    align-self: center;
    padding-bottom: 6px;
  }

  .hart-home-hero h1 {
    max-width: 500px;
    font-size: 36px;
    line-height: 1.12;
    font-weight: 400;
  }

  .hart-home-hero h1 strong {
    font-size: 38px;
    line-height: 1.07;
    font-weight: 800;
  }

  .hart-home-hero p {
    max-width: 430px;
    margin-top: 22px;
    font-size: 13px;
    line-height: 1.55;
  }

  .hart-home-hero__actions {
    gap: 14px;
    margin-top: 30px;
  }

  .hart-home-hero__actions .hart-btn {
    min-height: 36px;
    min-width: 116px;
    padding: 0 16px;
    font-size: 11px;
  }

  .hart-home-hero__actions .hart-btn--light {
    min-width: 154px;
  }

  .hart-home-hero__panel {
    width: 336px;
    min-height: 292px;
    padding: 28px 28px 24px 76px;
    background: rgba(11, 12, 14, .78);
  }

  .hart-home-hero__panel li {
    position: relative;
  }

  .hart-home-hero__panel li::before {
    content: "";
    position: absolute;
    left: -44px;
    top: 0;
    width: 25px;
    height: 25px;
    border: 1.5px solid rgba(255,255,255,.85);
    border-radius: 50%;
  }

  .hart-home-hero__panel li:nth-child(2)::before {
    border-radius: 0;
    transform: rotate(45deg);
  }

  .hart-home-hero__panel li:nth-child(3)::before {
    border-radius: 4px;
  }

  .hart-home-hero__panel li:nth-child(4)::before {
    border-radius: 50% 50% 4px 4px;
  }

  .hart-home-hero__panel li + li {
    margin-top: 22px;
  }

  .hart-home-hero__panel strong {
    font-size: 12px;
    line-height: 1.25;
  }

  .hart-home-hero__panel span {
    max-width: 210px;
    font-size: 11px;
    line-height: 1.38;
  }

  .hart-trustline {
    border-top: 0;
  }

  .hart-trustline .hart-container {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .hart-trustline span {
    position: relative;
    min-height: 72px;
    padding: 0 22px 0 54px;
    font-size: 12px;
  }

  .hart-trustline span::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 23px;
    width: 22px;
    height: 22px;
    border: 1.5px solid #68707c;
    border-radius: 50%;
  }

  .hart-trustline span:nth-child(1)::before {
    border-radius: 0;
    transform: rotate(45deg);
  }

  .hart-trustline span:nth-child(4)::before {
    border-radius: 50% 50% 4px 4px;
  }

  .hart-trustline small {
    margin-top: 2px;
    font-size: 10px;
    line-height: 1.25;
  }

  .hart-system-block {
    grid-template-columns: 250px minmax(360px, 1fr) 360px;
    gap: 42px;
    min-height: 360px;
    padding: 44px 0 34px;
  }

  .hart-system-block h2 {
    margin-bottom: 18px;
    font-size: 22px;
    line-height: 1.22;
    font-weight: 500;
  }

  .hart-system-block > div:last-child h2 {
    font-size: 29px;
    font-weight: 700;
  }

  .hart-system-block img {
    max-height: 285px;
  }

  .hart-system-block ol {
    padding: 0;
    list-style: none;
    font-size: 13px;
    line-height: 1.5;
  }

  .hart-system-block ol li {
    position: relative;
    min-height: 24px;
    margin: 8px 0;
    padding-left: 34px;
    counter-increment: hart-layer;
  }

  .hart-system-block ol {
    counter-reset: hart-layer;
  }

  .hart-system-block ol li::before {
    content: counter(hart-layer);
    position: absolute;
    left: 0;
    top: 1px;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--hart-red);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
  }

  .hart-system-block p {
    max-width: 320px;
    margin: 0 0 22px;
    font-size: 13px;
    line-height: 1.55;
  }

  .hart-system-block .hart-btn {
    min-height: 36px;
    padding-inline: 18px;
    font-size: 11px;
  }

  .hart-home-cats {
    width: 100%;
    max-width: none;
    padding: 24px max(36px, calc((100vw - 1180px) / 2)) 32px;
    background: #fff;
  }

  .hart-home-cats h2 {
    margin-bottom: 18px;
    font-size: 21px;
    font-weight: 500;
  }

  .hart-home-cats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    max-width: 1180px;
    margin: 0 auto;
  }

  .hart-home-cats__grid a {
    min-height: 108px;
    grid-template-columns: minmax(0, 1fr) 104px;
    padding: 14px 16px;
    border-color: #edf0f4;
    background: #f8f9fb;
    box-shadow: none;
  }

  .hart-home-cats__grid strong {
    max-width: 150px;
    font-size: 13px;
  }

  .hart-home-cats__grid p {
    margin: 5px 0 10px;
    font-size: 11px;
    line-height: 1.3;
  }

  .hart-home-cats__grid span {
    font-size: 10px;
  }

  .hart-home-cats__grid img {
    height: 74px;
  }

  .hart-audience {
    background:
      linear-gradient(rgba(13, 15, 18, .82), rgba(13, 15, 18, .82)),
      url("../images/v3-hero-house.jpg") center 64% / cover no-repeat;
  }

  .hart-audience .hart-container {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: 138px;
  }

  .hart-audience a {
    position: relative;
    min-height: 138px;
    padding: 32px 34px 24px 112px;
  }

  .hart-audience a::before {
    content: "";
    position: absolute;
    left: 46px;
    top: 38px;
    width: 42px;
    height: 42px;
    border: 2px solid rgba(255,255,255,.9);
    border-radius: 4px;
  }

  .hart-audience a:nth-child(2)::before {
    border-radius: 50%;
  }

  .hart-audience a:nth-child(3)::before {
    border-radius: 3px;
    box-shadow: inset 0 12px 0 rgba(255,255,255,.18);
  }

  .hart-audience strong {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .hart-audience span {
    display: block;
    max-width: 260px;
    font-size: 12px;
    line-height: 1.45;
  }

  .hart-audience em {
    display: inline-block;
    margin-top: 14px;
    color: #fff;
    font-size: 11px;
    font-style: normal;
    font-weight: 800;
    text-transform: uppercase;
  }

  .hart-contact-band {
    padding: 34px 0;
  }

  .hart-contact-band .hart-container {
    grid-template-columns: 310px minmax(360px, 1fr) 280px;
    gap: 38px;
  }

  .hart-contact-band h2 {
    margin: 0 0 12px;
    font-size: 25px;
    line-height: 1.15;
    font-weight: 500;
  }

  .hart-contact-band p {
    margin: 0;
    color: #4b5563;
    font-size: 13px;
    line-height: 1.5;
  }

  .hart-mini-form {
    gap: 10px;
  }

  .hart-mini-form input,
  .hart-mini-form select {
    min-height: 38px;
    font-size: 12px;
  }

  .hart-mini-form button {
    min-height: 38px;
  }

  .hart-contact-band__details {
    font-size: 13px;
  }

  .hart-contact-band__details li + li {
    margin-top: 12px;
  }

  .hart-footer {
    padding: 34px 0 20px;
  }

  .hart-footer__grid {
    grid-template-columns: 1.2fr repeat(4, minmax(130px, 1fr));
    gap: 34px;
  }

  .hart-footer__logo img {
    width: 118px;
  }

  .hart-footer__about p,
  .hart-footer__col a,
  .hart-footer__col span {
    font-size: 12px;
  }

  .hart-footer__col h2 {
    font-size: 11px;
  }
}