:root {
    --blue: #2B6CB0;
    --blue-dark: #1E4F85;
    --blue-light: #EBF2FA;
    --charcoal: #1A1A2E;
    --gray-900: #2D2D3A;
    --gray-700: #4A4A5A;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --gray-100: #F3F4F6;
    --warm-white: #FAFAFA;
    --white: #FFFFFF;
    --accent: #D4A853;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    font-family: var(--font-body);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-300);
    transition: box-shadow 0.3s;
  }

  nav.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  }

  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
  }

  .nav-logo img {
    height: 40px;
    width: auto;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
  }

  .nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: color 0.2s;
  }

  .nav-links a:hover {
    color: var(--blue);
  }

  .lang-toggle {
    display: flex;
    border: 1.5px solid var(--gray-300);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
  }

  .lang-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-body);
    letter-spacing: 0.5px;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
  }

  .lang-btn.active {
    background: var(--blue);
    color: var(--white);
  }

  /* ── MOBILE NAV ── */
  .nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }

  .nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--charcoal);
    border-radius: 2px;
    transition: all 0.3s;
  }

  @media (max-width: 768px) {
    .nav-hamburger { display: flex; }
    .nav-links {
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background: var(--white);
      flex-direction: column;
      padding: 24px;
      gap: 20px;
      border-bottom: 1px solid var(--gray-300);
      transform: translateY(-120%);
      transition: transform 0.3s ease;
    }
    .nav-links.open {
      transform: translateY(0);
    }
  }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    background: linear-gradient(170deg, var(--white) 0%, var(--blue-light) 50%, var(--white) 100%);
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(43, 108, 176, 0.08);
    border-radius: 50%;
  }

  .hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(43, 108, 176, 0.06);
    border-radius: 50%;
  }

  .hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
  }

  .hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: fadeUp 0.8s ease both;
  }

  .hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--charcoal);
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.15s both;
  }

  .hero h1 em {
    font-style: normal;
    color: var(--blue);
  }

  .hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 580px;
    margin: 0 auto 40px;
    animation: fadeUp 0.8s ease 0.3s both;
  }

  .hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeUp 0.8s ease 0.45s both;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s;
    cursor: pointer;
    border: none;
  }

  .btn-primary {
    background: var(--blue);
    color: var(--white);
  }

  .btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(43, 108, 176, 0.3);
  }

  .btn-outline {
    background: transparent;
    color: var(--charcoal);
    border: 1.5px solid var(--gray-300);
  }

  .btn-outline:hover {
    border-color: var(--blue);
    color: var(--blue);
  }

  .hero-alvara {
    margin-top: 48px;
    font-size: 0.8rem;
    color: var(--gray-500);
    letter-spacing: 1px;
    animation: fadeUp 0.8s ease 0.6s both;
  }

  /* ── SECTIONS ── */
  section {
    padding: 100px 24px;
  }

  .section-inner {
    max-width: 1100px;
    margin: 0 auto;
  }

  .section-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 600;
    color: var(--charcoal);
    line-height: 1.25;
    margin-bottom: 20px;
  }

  .section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 620px;
    margin-bottom: 56px;
  }

  /* ── ABOUT ── */
  .about {
    background: var(--warm-white);
  }

  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
  }

  .about-text p {
    margin-bottom: 20px;
    font-size: 1.02rem;
    color: var(--gray-700);
  }

  .about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
  }

  .stat-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-300);
  }

  .stat-card .number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 8px;
  }

  .stat-card .label {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
  }

  /* ── SERVICES ── */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .service-card {
    padding: 40px 32px;
    border-radius: 12px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    transition: all 0.3s;
  }

  .service-card:hover {
    border-color: var(--blue);
    box-shadow: 0 8px 32px rgba(43, 108, 176, 0.1);
    transform: translateY(-4px);
  }

  .service-card.featured {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
    grid-row: span 2;
  }

  .service-card.featured .service-icon {
    background: rgba(255,255,255,0.15);
    color: var(--white);
  }

  .service-card.featured h3 {
    color: var(--white);
  }

  .service-card.featured p {
    color: rgba(255,255,255,0.85);
  }

  .service-icon {
    width: 52px;
    height: 52px;
    background: var(--blue-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--blue);
    font-size: 1.4rem;
  }

  .service-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
  }

  .service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--gray-500);
  }

  /* ── AFFORDABLE HOUSING ── */
  .housing {
    background: var(--blue-light);
  }

  .housing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
  }

  .housing-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: 12px;
    border: 1px solid var(--gray-300);
  }

  .housing-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 12px;
    line-height: 1;
  }

  .housing-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
  }

  .housing-card p {
    font-size: 0.92rem;
    color: var(--gray-500);
    line-height: 1.7;
  }

  .housing-cta {
    text-align: center;
    font-size: 1.05rem;
    color: var(--gray-700);
    max-width: 680px;
    margin: 0 auto;
    font-weight: 500;
  }

  @media (max-width: 900px) {
    .housing-grid { grid-template-columns: 1fr; }
  }

  /* ── MISSION ── */
  .mission {
    background: var(--warm-white);
    text-align: center;
  }

  .mission .section-label {
    color: var(--blue);
  }

  .mission .section-title {
    color: var(--charcoal);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }

  .mission-text {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--gray-700);
  }

  .mission-divider {
    width: 60px;
    height: 2px;
    background: var(--blue);
    margin: 40px auto;
  }

  .mission-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--charcoal);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
  }

  /* ── PROJECTS ── */
  .projects {
    background: var(--warm-white);
  }

  .projects-placeholder {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .project-slot {
    aspect-ratio: 4/3;
    border-radius: 12px;
    border: 2px dashed var(--gray-300);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--white);
    transition: border-color 0.3s;
  }

  .project-slot:hover {
    border-color: var(--blue);
  }

  .project-slot svg {
    width: 36px;
    height: 36px;
    color: var(--gray-300);
  }

  .project-slot span {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
  }

  .projects-note {
    text-align: center;
    margin-top: 40px;
    font-size: 0.95rem;
    color: var(--gray-500);
  }

  /* ── CONTACT ── */
  .contact {
    text-align: center;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
  }

  .contact-card {
    padding: 36px 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .contact-card:hover {
    border-color: var(--blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }

  .contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
  }

  .contact-icon.whatsapp { background: #E8F5E9; color: #25D366; }
  .contact-icon.phone { background: var(--blue-light); color: var(--blue); }
  .contact-icon.email { background: #FFF3E0; color: #F57C00; }
  .contact-icon.facebook { background: #E3F2FD; color: #1877F2; }

  .contact-card .contact-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .contact-card .contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--charcoal);
  }

  /* ── FOOTER ── */
  footer {
    background: var(--charcoal);
    color: rgba(255,255,255,0.5);
    text-align: center;
    padding: 40px 24px;
    font-size: 0.85rem;
  }

  footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
  }

  footer .alvara {
    margin-top: 8px;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .service-card.featured { grid-row: span 1; }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .projects-placeholder { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 600px) {
    section { padding: 72px 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .projects-placeholder { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr; }
  }