:root {
      --navy-light: #1a2e45; --gold-light: #e0bc6e;
      --white: #fff; --gray-50: #f8f6f1; --gray-100: #eef0f3; --gray-200: #dee2e6; --gray-600: #646464;
      --text: #1a1a1a; --text-muted: #4a5568;
      --sans: 'Inter', -apple-system, sans-serif;
      --radius: 8px; --radius-lg: 16px;
      --shadow: 0 2px 16px rgba(13,27,42,.08); --shadow-lg: 0 8px 40px rgba(13,27,42,.16);
      --transition: .25s ease; --max-w: 1100px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: var(--sans); color: var(--text); background: var(--white); line-height: 1.6; }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }

    /* HEADER */
    .header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      background: rgba(13,27,42,.96); backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(196,148,42,.15);
      transition: transform .3s ease, background .3s;
    }
    .header.nav-hidden { transform: translateY(-100%); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
    @media (orientation:landscape) and (max-height:500px){
      .header-inner { height: 48px; }
      .mobile-nav { top: 48px; }
    }
    .logo { font-family: var(--serif); font-size: 1.3rem; color: var(--white); letter-spacing: .03em; }
    .logo span { color: var(--gold); }
    .nav { display: flex; gap: 28px; align-items: center; }
    .nav a { color: rgba(255,255,255,.75); font-size: .875rem; transition: color var(--transition); }
    .nav a:hover { color: var(--white); }
    .btn-nav { background: var(--gold); color: var(--navy) !important; font-weight: 600 !important; padding: 8px 20px; border-radius: var(--radius); }
    /* Menú móvil (hamburguesa) — oculto en desktop */
    .nav-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; background: none; border: none; cursor: pointer; padding: 9px; }
    .nav-burger span { display: block; height: 2px; width: 24px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .2s; }
    .nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-burger.open span:nth-child(2) { opacity: 0; }
    .nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-nav { position: fixed; top: 64px; left: 0; right: 0; z-index: 99; background: rgba(13,27,42,.97); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; padding: 6px 0 18px; transform: translateY(-14px); opacity: 0; visibility: hidden; transition: transform .28s cubic-bezier(.22,1,.36,1), opacity .22s, visibility .28s; }
    .mobile-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .mobile-nav a { padding: 14px 24px; font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.82); border-bottom: 1px solid rgba(255,255,255,.06); transition: .2s; }
    .mobile-nav a:hover { color: #fff; background: rgba(255,255,255,.04); }
    .mobile-nav .mobile-nav-cta { margin: 16px 24px 0; background: var(--gold); color: var(--navy) !important; text-align: center; border-radius: var(--radius); font-weight: 700; letter-spacing: .09em; padding: 15px; border-bottom: none; }
    .btn-nav:hover { filter: brightness(1.08); }

    /* PAGE HERO */
    .page-hero {
      background: var(--navy); padding: 120px 0 64px;
      position: relative; overflow: hidden;
    }
    .page-hero::before {
      content: ''; position: absolute; inset: 0;
      background: url('assets/img/hero-dubai-1280.webp') center/cover;
      opacity: .16;
    }
    .page-hero-inner { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
    .page-hero h1 { font-family: var(--serif); font-size: clamp(2rem,4vw,3rem); color: var(--white); font-weight: 500; line-height: 1.1; }
    .page-hero p { color: rgba(255,255,255,.7); margin-top: 14px; font-size: 1.05rem; max-width: 560px; }
    .page-hero-tag { display: inline-block; background: rgba(196,148,42,.2); border: 1px solid rgba(196,148,42,.4); color: var(--gold); font-size: .78rem; padding: 5px 14px; border-radius: 20px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 20px; }

    /* CONTAINER */
    .container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
    section { padding: 72px 0; }
    h2 { font-family: var(--serif); font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 500; }

    /* PROJECT CARDS */
    .project-section { padding: 72px 0; }
    .project-section:nth-child(odd) { background: var(--gray-50); }
    .project-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
    .project-section:nth-child(even) .project-inner { direction: rtl; }
    .project-section:nth-child(even) .project-inner > * { direction: ltr; }

    /* Carrusel */
    .carousel { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); background: #0d1b2a; }
    .carousel-track { display: flex; transition: transform .4s ease; }
    .carousel-slide { min-width: 100%; }
    .carousel-slide img { width: 100%; height: 380px; object-fit: cover; cursor: zoom-in; background: #0d1b2a; }
    .carousel-btn {
      position: absolute; top: 50%; transform: translateY(-50%);
      background: rgba(13,27,42,.7); color: var(--white); border: none; cursor: pointer;
      width: 40px; height: 40px; border-radius: 50%; font-size: 1.1rem;
      display: flex; align-items: center; justify-content: center; z-index: 2;
      transition: var(--transition);
    }
    .carousel-btn:hover { background: var(--gold); color: var(--navy); }
    .carousel-btn.prev { left: 12px; }
    .carousel-btn.next { right: 12px; }
    .carousel-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; z-index: 2; }
    .carousel-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.5); border: none; cursor: pointer; padding: 0; transition: background var(--transition); }
    .carousel-dot.active { background: var(--white); }

    /* Project Info */
    .project-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
    .tag { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; padding: 4px 10px; border-radius: 4px; }
    .tag-preventa { background: rgba(196,148,42,.15); color: #8a6b1a; }
    .tag-zona     { background: rgba(13,27,42,.07); color: var(--navy); }
    .tag-tipo     { background: rgba(13,27,42,.07); color: var(--navy); }
    .project-info h2 { margin-bottom: 16px; }
    .project-desc { font-size: .95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
    .project-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 28px; }
    .pstat { padding: 16px; background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); text-align: center; }
    .pstat-num { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; color: var(--navy); }
    .pstat-lbl { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gray-600); margin-top: 2px; }
    .reasons { margin-bottom: 24px; }
    .reason { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; font-size: .9rem; color: var(--text-muted); }
    .reason::before { content: '✓'; color: var(--gold); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
    .project-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
    .btn-primary { background: var(--gold); color: var(--navy); font-weight: 600; padding: 13px 24px; border-radius: var(--radius); font-size: .9rem; cursor: pointer; border: none; font-family: var(--sans); display: inline-block; transition: var(--transition); }
    .btn-primary:hover { filter: brightness(1.08); }
    .btn-ghost { background: none; color: var(--navy); border: 1px solid var(--gray-200); padding: 13px 24px; border-radius: var(--radius); font-size: .9rem; cursor: pointer; font-family: var(--sans); display: inline-block; transition: var(--transition); }
    .btn-ghost:hover { border-color: var(--navy); }

    /* LOCKED SECTION */
    .locked { background: var(--navy) !important; padding: 72px 0 !important; }
    .locked-inner { text-align: center; max-width: 600px; margin: 0 auto; }
    .locked-icon { width: 48px; height: 48px; margin: 0 auto 16px; border-radius: 50%; background: rgba(196,148,42,.12); border: 1px solid rgba(196,148,42,.35); display: flex; align-items: center; justify-content: center; }
    .locked-icon svg { width: 20px; height: 20px; stroke: var(--gold); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
    .locked h2 { color: var(--white); margin-bottom: 16px; }
    .locked p { color: rgba(255,255,255,.65); margin-bottom: 32px; }

    /* FINAL CTA */
    .final-cta { background: var(--gray-50); padding: 64px 0; }
    .final-cta-inner { max-width: 640px; margin: 0 auto; text-align: center; }
    .final-cta h2 { margin-bottom: 12px; }
    .final-cta p { margin-bottom: 28px; color: var(--text-muted); }
    .form-note { font-size: .78rem; color: var(--gray-600); margin-top: 14px; }

    /* FOOTER */
    .footer { background: var(--navy); padding: 40px 0; }
    .footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
    .footer-logo { font-family: var(--serif); color: var(--white); font-size: 1.1rem; }
    .footer-logo span { color: var(--gold); }
    .footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
    .footer-links a { color: rgba(255,255,255,.5); font-size: .8rem; transition: color var(--transition); }
    .footer-links a:hover { color: var(--white); }
    .footer-consent { background: none; border: none; padding: 0; font: inherit; color: rgba(255,255,255,.5); font-size: .8rem; cursor: pointer; transition: color var(--transition); }
    .footer-consent:hover { color: var(--white); text-decoration: underline; }
    .footer-copy { width: 100%; text-align: center; color: rgba(255,255,255,.3); font-size: .75rem; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); margin-top: 16px; }

    /* WA FAB */
    .wa-fab { position: fixed; bottom: 28px; right: 28px; z-index: 200; width: 56px; height: 56px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,.4); transition: var(--transition); }
    .wa-fab:hover { transform: scale(1.1); }
    .wa-fab svg { width: 28px; height: 28px; fill: white; }

    /* LIGHTBOX */
    .lightbox { position: fixed; inset: 0; z-index: 1200; background: rgba(7,18,31,.92); display: none; align-items: center; justify-content: center; padding: 26px; }
    .lightbox.open { display: flex; }
    .lightbox img { max-width: min(1200px,96vw); max-height: 90vh; object-fit: contain; }
    .lb-close { position: absolute; top: 16px; right: 16px; border: none; background: rgba(255,255,255,.14); color: #fff; width: 38px; height: 38px; border-radius: 50%; font-size: 22px; cursor: pointer; }
    .lb-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 1202; width: 44px; height: 44px; border: none; border-radius: 50%; background: rgba(255,255,255,.16); color: #fff; font-size: 26px; line-height: 1; display: flex; align-items: center; justify-content: center; cursor: pointer; }
    .lb-nav.prev { left: 18px; }
    .lb-nav.next { right: 18px; }

    /* RESPONSIVE */
    @media (max-width: 800px) {
      .project-inner { grid-template-columns: 1fr; gap: 28px; }
      .project-section:nth-child(even) .project-inner { direction: ltr; }
      .project-stats { grid-template-columns: repeat(3,1fr); gap: 10px; }
      .carousel-slide img { height: 260px; }
      .nav { display: none; }
      .nav-burger { display: flex; }
    }
    @media (max-width: 500px) {
      .project-stats { grid-template-columns: 1fr 1fr; }
    }