:root {
      --ink: #262626;
      --muted: #686a6d;
      --soft: #f7f4ef;
      --line: #e7e0d6;
      --brand: #424242;
      --gold: #d6c0a5;
      --gold-dark: #9b7a54;
      --green: #446052;
      --white: #ffffff;
      --shadow: 0 18px 54px rgba(38, 38, 38, 0.12);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      background: var(--soft);
      color: var(--ink);
      font-family: Inter, Arial, sans-serif;
    }

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

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

    .topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(66, 66, 66, 0.96);
      color: var(--white);
      border-bottom: 1px solid rgba(214, 192, 165, 0.24);
      backdrop-filter: blur(16px);
    }

    .nav {
      width: min(1180px, calc(100% - 40px));
      height: 76px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 14px;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border: 2px solid var(--gold);
      display: grid;
      place-items: center;
      font-size: 13px;
      color: var(--gold);
    }

    .navlinks {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 14px;
      color: rgba(255, 255, 255, 0.82);
      font-size: 13px;
      font-weight: 600;
    }

    .navlinks a {
      white-space: nowrap;
    }

    .navlinks .active {
      color: var(--ink);
      background: var(--gold);
      padding: 10px 12px;
      border-radius: 4px;
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      border: 1px solid rgba(214, 192, 165, 0.42);
      border-radius: 4px;
      background: transparent;
      color: var(--gold);
      cursor: pointer;
    }

    .menu-toggle span {
      width: 19px;
      height: 2px;
      display: block;
      border-radius: 2px;
      background: currentColor;
    }

    .hero {
      background:
        linear-gradient(90deg, rgba(38, 38, 38, 0.82), rgba(38, 38, 38, 0.34)),
        url("/assets/images/site/athrium/bg1.jpg") center / cover;
      color: var(--white);
      min-height: 560px;
      display: flex;
      align-items: flex-end;
    }

    .hero-inner {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 84px 0 64px;
    }

    .breadcrumb {
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
      margin-bottom: 30px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 40px;
      align-items: end;
    }

    .eyebrow {
      margin: 0 0 14px;
      color: var(--gold);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    h1 {
      max-width: 780px;
      margin: 0;
      font-size: 56px;
      line-height: 1.02;
      font-weight: 800;
      letter-spacing: 0;
    }

    .lead {
      max-width: 650px;
      margin: 18px 0 0;
      color: rgba(255, 255, 255, 0.84);
      font-size: 19px;
      line-height: 1.55;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border: 1px solid transparent;
      border-radius: 4px;
      padding: 13px 18px;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--ink);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, 0.42);
      color: var(--white);
    }

    .hero-facts {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.22);
      box-shadow: var(--shadow);
    }

    .hero-fact {
      min-height: 112px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--ink);
    }

    .hero-fact small {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .hero-fact strong {
      display: block;
      margin-top: 10px;
      color: var(--brand);
      font-size: 25px;
      line-height: 1.08;
    }

    .main {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 38px 0 82px;
    }

    .content-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 30px;
      align-items: start;
    }

    .section {
      padding: 34px 0;
      border-bottom: 1px solid var(--line);
    }

    .section:first-child {
      padding-top: 0;
    }

    .section h2 {
      margin: 0 0 20px;
      font-size: 26px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section p {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.78;
    }

    .section p:last-child {
      margin-bottom: 0;
    }

    .gallery {
      display: grid;
      grid-template-columns: minmax(0, 1.7fr) minmax(250px, 1fr);
      gap: 12px;
      margin-bottom: 34px;
    }

    .gallery-main,
    .gallery-side img {
      width: 100%;
      object-fit: cover;
      border-radius: 8px;
    }

    .gallery-main {
      height: 520px;
    }

    .gallery-side {
      display: grid;
      gap: 12px;
    }

    .gallery-side img {
      height: 254px;
    }

    .gallery-main-link,
    .gallery-side-link {
      display: block;
      min-width: 0;
    }

    .gallery-main-link picture,
    .gallery-side-link picture,
    .floorplan-preview picture,
    .related-offer-media picture {
      display: block;
      width: 100%;
      height: 100%;
    }

    .summary-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--white);
    }

    .summary-item {
      min-height: 96px;
      padding: 19px 20px;
      border-right: 1px solid var(--line);
    }

    .summary-item:last-child {
      border-right: 0;
    }

    .summary-item > span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .summary-item strong {
      display: block;
      margin-top: 9px;
      font-size: 19px;
      line-height: 1.2;
    }

    .details {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .detail-row {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.62);
      padding: 18px;
    }

    .detail-row > span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .detail-row strong {
      display: block;
      margin-top: 8px;
      font-size: 17px;
      line-height: 1.35;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .feature {
      min-height: 70px;
      display: flex;
      align-items: center;
      gap: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--white);
      padding: 14px;
      font-weight: 700;
    }

    .feature-icon {
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #edf3ef;
      color: var(--green);
      font-size: 15px;
      font-weight: 800;
    }

    .note {
      border-left: 4px solid var(--gold-dark);
      background: var(--white);
      border-radius: 0 8px 8px 0;
      padding: 22px 24px;
    }

    .note h3 {
      margin: 0 0 8px;
      font-size: 19px;
    }

    .note p {
      font-size: 16px;
    }

    .room-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .room-chips > span {
      min-height: 34px;
      display: inline-flex;
      align-items: center;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #fbfaf8;
      padding: 8px 11px;
      color: var(--ink);
      font-size: 13px;
      font-weight: 800;
    }

    .floorplan {
      display: grid;
      grid-template-columns: 250px minmax(0, 1fr);
      gap: 24px;
      align-items: center;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--white);
      padding: 18px;
    }

    .floorplan-preview {
      aspect-ratio: 4 / 3;
      display: grid;
      place-items: center;
      border-radius: 6px;
      background:
        linear-gradient(90deg, rgba(66, 66, 66, 0.09) 1px, transparent 1px),
        linear-gradient(rgba(66, 66, 66, 0.09) 1px, transparent 1px),
        #faf8f4;
      background-size: 28px 28px;
      color: var(--brand);
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .floorplan-preview {
      overflow: hidden;
    }

    .floorplan-preview img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: #fbfaf8;
    }

    .floorplan h3 {
      margin: 0 0 8px;
      font-size: 21px;
    }

    .floorplan p {
      font-size: 16px;
    }

    .thumb-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .thumb-grid picture {
      display: block;
      width: 100%;
    }

    .thumb-grid img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 8px;
    }

    .section-title-row {
      margin-bottom: 22px;
    }

    .section-title-row h2 {
      margin-bottom: 0;
    }

    .related-offers-lead {
      max-width: 760px;
      margin-top: 10px;
      font-size: 16px;
      line-height: 1.62;
    }

    .related-offer-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .related-offer-card {
      display: grid;
      grid-template-columns: 150px minmax(0, 1fr);
      gap: 16px;
      align-items: start;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--white);
      padding: 12px;
    }

    .related-offer-card > div {
      min-width: 0;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .related-offer-media img {
      width: 100%;
      height: 100%;
      min-height: 150px;
      object-fit: cover;
      border-radius: 6px;
    }

    .related-offer-card > div > span {
      display: block;
      color: var(--gold-dark);
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .related-offer-card h3 {
      margin: 7px 0 7px;
      font-size: 18px;
      line-height: 1.2;
    }

    .related-offer-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin: 11px 0 16px;
    }

    .related-offer-card .related-offer-chip {
      display: inline-flex;
      min-height: 30px;
      align-items: center;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #fbfaf8;
      padding: 7px 9px;
      color: var(--ink);
      font-size: 12px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: 0;
      text-transform: none;
    }

    .related-offer-card .btn {
      min-height: 40px;
      padding: 10px 12px;
      font-size: 12px;
    }

    .contact-panel {
      position: sticky;
      top: 104px;
      border-radius: 8px;
      background: var(--brand);
      color: var(--white);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .contact-head {
      padding: 26px;
      background: linear-gradient(135deg, rgba(214, 192, 165, 0.22), rgba(255, 255, 255, 0));
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .contact-head > span {
      display: block;
      color: var(--gold);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .contact-head h2 {
      margin: 9px 0 0;
      font-size: 25px;
      line-height: 1.18;
      letter-spacing: 0;
    }

    .price-list {
      padding: 24px 26px 10px;
    }

    .price-row {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.14);
      color: rgba(255, 255, 255, 0.75);
      font-size: 14px;
    }

    .price-row strong {
      color: var(--white);
      text-align: right;
    }

    .contact-actions {
      display: grid;
      gap: 10px;
      padding: 16px 26px 26px;
    }

    .contact-actions .btn {
      width: 100%;
    }

    .contact-actions .btn-outline {
      color: var(--white);
      border-color: rgba(255, 255, 255, 0.28);
    }

    .contact-meta {
      padding: 0 26px 28px;
      color: rgba(255, 255, 255, 0.78);
      font-size: 14px;
      line-height: 1.65;
    }

    .form-band {
      margin-top: 42px;
      padding: 38px;
      border-radius: 8px;
      background: var(--white);
      box-shadow: var(--shadow);
    }

    .form-band h2 {
      margin: 0 0 8px;
      font-size: 28px;
    }

    .form-band p {
      margin: 0 0 24px;
      color: var(--muted);
      line-height: 1.7;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .field,
    textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #fbfaf8;
      padding: 15px 14px;
      color: var(--ink);
      font: inherit;
    }

    textarea {
      min-height: 118px;
      grid-column: 1 / -1;
      resize: vertical;
    }

    .form-submit {
      margin-top: 14px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .form-submit .btn {
      flex: 0 0 auto;
      background: var(--brand);
      color: var(--white);
    }

    @media (max-width: 1120px) {
      .nav {
        height: 76px;
        position: relative;
        align-items: center;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .navlinks {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        z-index: 25;
        grid-template-columns: 1fr;
        gap: 0;
        border: 1px solid rgba(214, 192, 165, 0.22);
        border-top: 0;
        border-radius: 0 0 8px 8px;
        background: rgba(66, 66, 66, 0.98);
        box-shadow: var(--shadow);
        overflow: hidden;
      }

      .navlinks.is-open {
        display: grid;
      }

      .navlinks a,
      .navlinks .active {
        display: block;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0;
        padding: 17px 18px;
        color: var(--white);
        background: transparent;
      }

      .navlinks .active {
        color: var(--ink);
        background: var(--gold);
      }

      .hero {
        min-height: auto;
      }

      .hero-inner {
        padding: 72px 0 34px;
      }

      .hero-grid,
      .content-grid,
      .gallery,
      .floorplan,
      .section-title-row,
      .related-offer-grid {
        grid-template-columns: 1fr;
      }

      h1 {
        font-size: 42px;
      }

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

      .gallery-main {
        height: 420px;
      }

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

      .gallery-side img {
        height: 200px;
      }

      .contact-panel {
        position: static;
      }
    }

    @media (max-width: 700px) {
      .nav,
      .hero-inner,
      .main {
        width: min(100% - 24px, 1180px);
      }

      .hero-inner {
        padding-top: 46px;
      }

      .breadcrumb {
        margin-bottom: 22px;
      }

      h1 {
        font-size: 34px;
      }

      .lead {
        font-size: 16px;
      }

      .hero-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .hero-facts,
      .summary-strip,
      .details,
      .feature-grid,
      .thumb-grid,
      .related-offer-card,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .summary-item {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .summary-item:last-child {
        border-bottom: 0;
      }

      .gallery-main {
        height: 320px;
      }

      .gallery-side {
        grid-template-columns: 1fr;
      }

      .gallery-side img {
        height: 220px;
      }

      .section {
        padding: 28px 0;
      }

      .form-band {
        padding: 24px;
      }

      .form-submit {
        align-items: stretch;
        flex-direction: column;
      }
    }
