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

    :root {
      --navy: #2a2a2a;
      --white: #ffffff;
      --green: #4caf50;
      --green-light: rgba(76,175,80,0.12);
      --border: rgba(255,255,255,0.1);
      --text-dim: rgba(255,255,255,0.7);
      --text-mid: rgba(255,255,255,0.85);
      --transition: 0.3s ease;
    }

    body { font-family: 'Work Sans', sans-serif !important; background: var(--navy); overflow-x: hidden; color: var(--text-mid); }

    /* ── NAV ──────────────────────────────────────────────────── */
    .main-nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 22px 48px; background: transparent;
      transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
    }
    .main-nav.scrolled {
      background: rgba(44,44,44,0.97); padding: 14px 48px;
      box-shadow: 0 2px 20px rgba(0,0,0,0.3); backdrop-filter: blur(8px);
    }
    .nav__brand { text-decoration: none; color: #fff; }
    .nav__links { display: flex; list-style: none; gap: 36px; margin: 0; padding: 0; }
    .nav__links a {
      font-size: 12px; font-weight: 400; letter-spacing: 0.14em;
      text-transform: uppercase; color: rgba(255,255,255,0.8);
      text-decoration: none; position: relative; transition: color 0.3s ease;
    }
    .nav__links a::after {
      content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
      height: 1px; background: var(--green);
      transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
    }
    .nav__links a:hover { color: #fff; }
    .nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }
    .nav__links a.active { color: #fff; }

    #menuOpen {
      background: none; border: none; color: #fff;
      font-size: 26px; cursor: pointer; display: none; padding: 4px;
    }

    /* ── MOBILE MENU ──────────────────────────────────────────── */
    .mobile-menu {
      display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(44,44,44,0.98); z-index: 190;
      flex-direction: column; align-items: center; justify-content: center; gap: 32px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      font-size: 22px; font-weight: 200; letter-spacing: 0.1em;
      text-transform: uppercase; color: rgba(255,255,255,0.85);
      text-decoration: none; transition: color 0.3s ease;
    }
    .mobile-menu a:hover, .mobile-menu a.active { color: #fff; }
    .mobile-menu__close {
      position: absolute; top: 20px; right: 24px;
      background: none; border: none; color: #fff; font-size: 32px; cursor: pointer;
    }

    /* ── HERO ─────────────────────────────────────────────────── */
    .hero {
      position: relative; width: 100%;
      overflow: hidden; display: flex; flex-direction: column;
    }
    .hero__bg {
      position: absolute; inset: 0;
      background-image: url('../images/img-domestic-project-1.jpg');
      background-size: cover; background-position: center;
      transform: scale(1.04); animation: zoomOut 10s ease forwards; z-index: 0;
    }
    @keyframes zoomOut { from { transform: scale(1.04); } to { transform: scale(1.00); } }
    .hero__overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 70%);
      z-index: 1;
    }
    .hero__content {
      position: relative; z-index: 5;
      padding: 160px 56px 72px;
      display: flex; flex-direction: column; justify-content: center;
    }
    .hero__breadcrumb {
      font-size: 14px; font-weight: 400; letter-spacing: 0.12em;
      color: rgba(255,255,255,0.6); text-transform: uppercase; margin-bottom: 18px;
      opacity: 1;
    }
    .hero__breadcrumb a { color: rgba(255,255,255,0.55); text-decoration: none; }
    .hero__breadcrumb a:hover { color: #fff; }
    .hero__breadcrumb span { color: var(--green); }
    .hero__tag {
      display: inline-block;
      font-size: 14px; font-weight: 600; letter-spacing: 0.22em;
      text-transform: uppercase; color: var(--green);
      border: 1px solid rgba(76,175,80,0.5); padding: 5px 12px;
      margin-bottom: 20px;
    }
    .hero__heading {
      font-size: clamp(36px, 6vw, 88px);
      font-weight: 200; color: #fff;
      line-height: 1.0; letter-spacing: -0.02em; margin-bottom: 20px;
    }
    .hero__sub {
      font-size: clamp(15px, 1.8vw, 18px);
      font-weight: 300; color: rgba(255,255,255,0.82);
      max-width: 580px; line-height: 1.65; margin-bottom: 36px;
    }
    .btn-hero-outline {
      font-size: 11px; font-weight: 600; letter-spacing: 0.18em;
      text-transform: uppercase; color: #fff; background: transparent;
      border: 1.5px solid rgba(255,255,255,0.7); padding: 13px 30px;
      cursor: pointer; text-decoration: none; display: inline-block;
      transition: background var(--transition), border-color var(--transition);
      width: fit-content;
    }
    .btn-hero-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; }

    /* ── MAIN CONTENT LAYOUT ──────────────────────────────────── */
    .page-body {
      display: flex; gap: 0; align-items: flex-start;
      padding: 0 56px 80px; background: var(--navy);
    }

    /* ── MAIN CONTENT ─────────────────────────────────────────── */
    .content {
      flex: 1; min-width: 0;
      padding: 64px 0 0 64px;
    }

    /* Section intro block */
    .content__intro {
      margin-bottom: 56px; padding-bottom: 48px;
      border-bottom: 1px solid var(--border);
    }
    .content__intro h2 {
      font-size: clamp(28px, 4vw, 48px);
      font-weight: 200; color: #fff;
      letter-spacing: -0.02em; margin-bottom: 20px; line-height: 1.1;
    }
    .content__intro p {
      font-size: 18px; font-weight: 300; color: var(--text-dim);
      line-height: 1.85; margin-bottom: 16px; max-width: 680px;
    }
    .content__intro p:last-child { margin-bottom: 0; }

    /* Info highlight boxes */
    .info-box {
      background: rgba(255,255,255,0.04); border-left: 3px solid var(--green);
      padding: 20px 24px; margin: 24px 0;
    }
    .info-box p {
      font-size: 18px; font-weight: 300; color: var(--text-mid);
      line-height: 1.7; margin: 0;
    }

    /* Stage cards */
    .stages { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 40px 0; }
    .stage-card {
      background: rgba(255,255,255,0.04); border: 1px solid var(--border); 
      padding: 28px 26px; transition: border-color 0.3s ease;
    }
    .stage-card:hover { border-color: rgba(76,175,80,0.4); }
    .stage-card__num {
      font-size: 10px; font-weight: 600; letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--green); margin-bottom: 12px;
    }
    .stage-card__title {
      font-size: 20px; font-weight: 300; color: #fff;
      margin-bottom: 14px; letter-spacing: -0.01em;
    }
    .stage-card p {
      font-size: 18px; font-weight: 300; color: var(--text-dim); line-height: 1.75;
    }

    /* Content sections */
    .content-section { margin-bottom: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
    .content-section:last-child { border-bottom: none; margin-bottom: 0; }
    .content-section h3 {
      font-size: clamp(20px, 3vw, 32px);
      font-weight: 200; color: #fff;
      letter-spacing: -0.02em; margin-bottom: 18px; line-height: 1.2;
    }
    .content-section p {
      font-size: 18px; font-weight: 300; color: var(--text-dim);
      line-height: 1.85; margin-bottom: 14px; max-width: 660px;
    }
    .content-section p:last-child { margin-bottom: 0; }

    /* Qualifications badges */
    .quals { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
    .qual-item {
      display: flex; align-items: flex-start; gap: 14px;
      background: rgba(255,255,255,0.04); border: 1px solid var(--border);
      padding: 16px 20px;
    }
    .qual-item i { color: var(--green); font-size: 18px; flex-shrink: 0; margin-top: 2px; }
    .qual-item span { font-size: 14px; font-weight: 300; color: var(--text-mid); line-height: 1.6; }

    /* Other services grid */
    .other-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 24px; }
    .other-card {
      background: rgba(255,255,255,0.04); border: 1px solid var(--border);
      padding: 22px 20px; text-decoration: none;
      transition: border-color 0.3s ease, background 0.3s ease;
      display: block;
    }
    .other-card:hover { border-color: rgba(76,175,80,0.4); background: rgba(76,175,80,0.06); }
    .other-card__title {
      font-size: 20px; font-weight: 400; color: #fff; margin-bottom: 8px; line-height: 1.3;
    }
    .other-card__desc {
      font-size: 18px; font-weight: 300; color: var(--text-dim); line-height: 1.6;
    }
    .other-card__arrow {
      display: inline-block; color: var(--green); margin-top: 12px; font-size: 12px;
    }

    /* ── FOOTER ───────────────────────────────────────────────── */
    .site-footer { background-color: #2a2a2a; color: rgba(255,255,255,0.75); font-family: 'Work Sans', sans-serif; }
    .footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr 1.4fr; gap: 48px; padding: 72px 64px 56px; }
    .footer-heading { font-size: 15px; font-weight: 500; color: #fff; letter-spacing: 0.04em; margin-bottom: 24px; }
    .footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 14px; font-weight: 300; transition: color 0.25s ease; }
    .footer-links a:hover { color: #fff; }
    .footer-social-list a { display: flex; align-items: center; gap: 10px; }
    .footer-social-list i { font-size: 15px; }
    .footer-logo-placeholder { margin-bottom: 32px; }
    .footer-logo-placeholder img { max-width: 140px; height: auto; }
    .footer-office { margin-bottom: 24px; }
    .office-name { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 6px; }
    .footer-office p { font-size: 13px; font-weight: 300; line-height: 1.7; color: rgba(255,255,255,0.65); margin: 0 0 3px; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 64px; font-size: 12px; font-weight: 300; color: rgba(255,255,255,0.35); }

    /* ── RESPONSIVE ───────────────────────────────────────────── */

    /* ≤1200px */
    @media (max-width: 1200px) {
      .other-services { grid-template-columns: repeat(2, 1fr); }
    }

    /* ≤1024px */
    @media (max-width: 1024px) {
      .main-nav { padding: 18px 32px; }
      .main-nav.scrolled { padding: 12px 32px; }
      .hero__content { padding: 140px 32px 60px; }
      .page-body { padding: 0 32px 64px; }
      .sidebar { flex: 0 0 220px; }
      .content { padding: 64px 0 0 40px; }
      .stages { grid-template-columns: 1fr; }
      .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; padding: 48px 40px 40px; }
      .footer-bottom { padding: 18px 40px; }
    }

    /* ≤900px — hamburger */
    @media (max-width: 900px) {
      #menuOpen { display: block !important; }
      .nav__links { display: none; }
      .main-nav { padding: 16px 24px; }
      .main-nav.scrolled { padding: 12px 24px; }
    }

    /* ≤768px — stack sidebar above content */
    @media (max-width: 768px) {
      .hero__content { padding: 120px 24px 56px; }
      .btn-hero-outline { width: 100%; text-align: center; }

      .page-body { flex-direction: column; padding: 0 24px 56px; gap: 0; }
      .sidebar { flex: none; width: 100%; position: static; padding: 40px 0 0 0; }
      .sidebar__nav { display: grid; grid-template-columns: 1fr 1fr; }
      .sidebar__nav li { border-right: 1px solid var(--border); }
      .sidebar__nav li:nth-child(even) { border-right: none; }
      .content { padding: 40px 0 0 0; }

      .stages { grid-template-columns: 1fr; gap: 12px; }
      .other-services { grid-template-columns: 1fr 1fr; gap: 8px; }

      .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; padding: 40px 24px 32px; }
      .footer-bottom { padding: 16px 24px; }
    }

    /* ≤576px */
    @media (max-width: 576px) {
      .hero__content { padding: 110px 20px 48px; }
      .page-body { padding: 0 20px 48px; }
      .sidebar__nav { grid-template-columns: 1fr; }
      .sidebar__nav li { border-right: none; }
      .other-services { grid-template-columns: 1fr; gap: 8px; }
      .stages { gap: 10px; }
      .footer-inner { grid-template-columns: 1fr; gap: 28px; padding: 36px 20px 28px; }
      .footer-bottom { padding: 14px 20px; }
      .footer-heading { margin-bottom: 16px; }
    }