*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --navy: #2a2a2a;
      --navy-mid: #2a2a2a;
      --white: #fff;
      --green: #4caf50;
      --transition: 0.3s ease;
    }
    body { font-family: 'Work Sans', sans-serif; background: var(--navy); overflow-x: hidden; }

    /* ── 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%;
      height: 60vh; min-height: 480px;
      overflow: hidden; display: flex; flex-direction: column;
    }
    .hero__bg {
      position: absolute; inset: 0;
      background-image: url('../images/Architecture2.jpeg');
      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(0,0,0,0.6) 0%, rgba(0,0,0,0.15) 65%);
      z-index: 1;
    }
    .hero__content {
      position: relative; z-index: 5;
      padding: 0 56px; flex: 1;
      display: flex; flex-direction: column; justify-content: center;
      padding-top: 80px; /* clear fixed nav */
    }
    .hero__breadcrumb {
      font-size: 14px; font-weight: 400; letter-spacing: 0.12em;
      color: rgba(255,255,255,0.6); text-transform: uppercase;
      margin-bottom: 16px; opacity: 0;
      animation: fadeUp 0.7s 0.1s ease forwards;
    }
    .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__heading {
      font-size: clamp(44px, 9vw, 96px);
      font-weight: 200; color: #fff;
      line-height: 1.0; letter-spacing: -0.03em;
      margin-bottom: 20px; opacity: 0;
      animation: fadeUp 0.8s 0.2s ease forwards;
    }
    .hero__sub {
      font-size: clamp(14px, 2vw, 17px);
      font-weight: 300; color: rgba(255,255,255,0.82);
      max-width: 520px; line-height: 1.65;
      margin-bottom: 32px; opacity: 0;
      animation: fadeUp 0.8s 0.35s ease forwards;
    }
    .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;
      /* Animation with guaranteed visible end state */
      opacity: 0;
      animation: fadeUp 0.8s 0.5s ease forwards;
    }
    .btn-hero-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; }
    @keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

    /* ── INTRO STRIP ──────────────────────────────────────────── */
    .intro-strip {
      background: var(--navy);
      padding: 72px 56px;
      display: flex; gap: 80px; align-items: flex-start;
    }
    .intro-strip__text { flex: 1; }
    .intro-strip__text p {
      font-size: 18px; font-weight: 300;
      color: rgba(255,255,255,0.8); line-height: 1.85;
    }
    .intro-strip__aside { flex: 0 0 340px; }
    .intro-strip__aside img {
      width: 100%; height: 240px; object-fit: cover; display: block;
    }

    /* ── PROJECTS GRID ────────────────────────────────────────── */
    .projects-section { background: var(--navy); padding: 0 56px 80px; }
    .grid-two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

    .project-card {
      position: relative; overflow: hidden;
      cursor: pointer; background: #1a1a1a; aspect-ratio: 4/3;
    }
    .project-card__img {
      position: absolute; inset: 0;
      background-size: cover; background-position: center;
      transition: transform 0.6s ease;
    }
    .project-card:hover .project-card__img { transform: scale(1.06); }
    .project-card::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.05) 50%);
      z-index: 1; transition: background 0.4s ease;
    }
    .project-card:hover::before {
      background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.15) 55%);
    }
    .project-card__label {
      position: absolute; bottom: 0; left: 0; right: 0;
      z-index: 2; padding: 24px 26px;
    }
    .project-card__name {
      font-size: 22px; font-weight: 300; color: #fff;
      line-height: 1.25; margin-bottom: 0; transition: margin-bottom 0.3s ease;
    }
    .project-card:hover .project-card__name { margin-bottom: 8px; }
    .project-card__sub {
      font-size: 13px; font-weight: 300; color: rgba(255,255,255,0.65);
      max-height: 0; overflow: hidden; opacity: 0;
      transition: max-height 0.35s ease, opacity 0.3s ease 0.05s;
    }
    .project-card:hover .project-card__sub { max-height: 50px; opacity: 1; }

    /* ── 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 ───────────────────────────────────────────── */

    /* ≤1024px */
    @media (max-width: 1024px) {
      .main-nav { padding: 18px 32px; }
      .main-nav.scrolled { padding: 12px 32px; }
      .hero__content { padding: 80px 32px 0; }
      .intro-strip { padding: 56px 32px; gap: 48px; }
      .intro-strip__aside { flex: 0 0 280px; }
      .projects-section { padding: 0 32px 64px; }
      .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 */
    @media (max-width: 768px) {
      /* Prevent animated elements getting stuck at opacity:0 on mobile */
      .hero__breadcrumb,
      .hero__heading,
      .hero__sub,
      .btn-hero-outline {
        opacity: 1 !important;
        animation: none !important;
        transform: none !important;
      }

      .hero {
        height: auto !important;
        min-height: auto !important;
        /* padding-top clears fixed nav, padding-bottom gives breathing room */
        padding-top: 80px;
        padding-bottom: 48px;
        overflow: hidden;
      }

      .hero__content {
        padding-top: 0 !important;
        flex: none;
        justify-content: flex-start;
      }
      .hero__content { padding: 80px 24px 0; }

      .intro-strip {
        flex-direction: column;
        padding: 48px 24px;
        gap: 32px;
      }
      .intro-strip__aside { flex: none; width: 100%; }
      .intro-strip__aside img { height: 220px; }
      .intro-strip__text p { font-size: 16px; }

      /* 2-col grid stays on tablet */
      .projects-section { padding: 0 24px 56px; }
      .grid-two { grid-template-columns: 1fr 1fr; gap: 8px; }

      /* Always show project info on touch */
      .project-card__name { font-size: 16px; margin-bottom: 6px !important; }
      .project-card__sub { max-height: 50px !important; opacity: 1 !important; font-size: 12px; }
      .project-card::before {
        background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 60%) !important;
      }

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

    /* ≤576px */
    @media (max-width: 576px) {
      /* Kill all hero animations on mobile — elements stuck at opacity:0 is a common mobile bug */
      .hero__breadcrumb,
      .hero__heading,
      .hero__sub,
      .btn-hero-outline {
        opacity: 1 !important;
        animation: none !important;
        transform: none !important;
      }

      .hero__content { padding: 0 20px !important; }

      .intro-strip { padding: 40px 20px; gap: 24px; }
      .intro-strip__aside img { height: 180px; }
      .intro-strip__text p { font-size: 15px; line-height: 1.75; }

      /* Single column on mobile */
      .projects-section { padding: 0 20px 48px; }
      .grid-two { grid-template-columns: 1fr; gap: 8px; }
      /* Wider cards in single col */
      .project-card { aspect-ratio: 16/9; }
      .project-card__name { font-size: 18px; }

      .btn-hero-outline { width: 100%; text-align: center; padding: 14px 20px; }

      .footer-inner { grid-template-columns: 1fr; gap: 28px; padding: 36px 20px 28px; }
      .footer-bottom { padding: 14px 20px; }
      .footer-heading { margin-bottom: 16px; }
    }

    /* ≤400px */
    @media (max-width: 400px) {
      .intro-strip__aside img { height: 160px; }
      .project-card { aspect-ratio: 4/3; }
    }