:root {
      --gold: #c8a04b;
      --gold-soft: #e9d8a6;
      --text-dark: #161616;
      --text-muted: #6e6e6e;
      --bg: #f5f5f7;
      --bg-soft: #efeff3;
      --white: #ffffff;
      --border-soft: #e2e2ea;
      --radius: 16px;
      --max-width: 1180px;
      --transition: 0.25s ease;
    }

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

    body {
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--text-dark);
      line-height: 1.6;
    }

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

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

    .wrapper {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* NAV */
    header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid #eee;
    }

    .nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.85rem 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.7rem;
    }

    .brand img {
      height: 34px;
    }

    .brand span {
      font-weight: 600;
      letter-spacing: 0.09em;
      text-transform: uppercase;
      font-size: 0.85rem;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      font-size: 0.9rem;
      font-weight: 500;
    }

    .nav-links a {
      color: var(--text-muted);
      position: relative;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -0.2rem;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.18s ease;
    }

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

    .nav-links a:hover::after {
      width: 100%;
    }

    .btn-primary {
      background: var(--gold);
      color: #fff;
      padding: 0.6rem 1.4rem;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      box-shadow: 0 4px 16px rgba(0,0,0,0.12);
      transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.18s ease;
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.16);
      background: #b48d39;
    }

    .btn-outline {
      border-radius: 999px;
      border: 1px solid var(--gold);
      padding: 0.6rem 1.4rem;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--gold);
      background: transparent;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      cursor: pointer;
      transition: background 0.18s ease, color 0.18s ease;
    }

    .btn-outline:hover {
      background: var(--gold-soft);
      color: var(--text-dark);
    }

    /* HERO */
    .hero {
      position: relative;
      min-height: 78vh;
      display: flex;
      align-items: center;
      padding: 4.5rem 0 4rem;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(to right, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.9) 52%, rgba(255,255,255,0.75) 70%, rgba(255,255,255,0.4) 100%),
        url("images/hero-architecture.jpg");
      background-size: cover;
      background-position: center;
      filter: grayscale(10%);
      z-index: -1;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
      gap: 3rem;
      align-items: center;
    }

    .eyebrow {
      text-transform: uppercase;
      letter-spacing: 0.22em;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 0.8rem;
    }

    .hero h1 {
      font-size: clamp(2.4rem, 4vw, 3.2rem);
      line-height: 1.2;
      margin-bottom: 0.8rem;
    }

    .gold {
      color: var(--gold);
    }

    .hero p {
      font-size: 1rem;
      max-width: 32rem;
      color: var(--text-muted);
      margin-bottom: 1.6rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem;
      margin-bottom: 1.6rem;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 1.4rem;
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .hero-meta span {
      position: relative;
      padding-left: 0.8rem;
    }

    .hero-meta span::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.4rem;
      width: 5px;
      height: 5px;
      border-radius: 999px;
      background: var(--gold);
    }

    .hero-panel {
      background: rgba(255,255,255,0.9);
      border-radius: 24px;
      padding: 1.7rem 1.6rem;
      border: 1px solid var(--border-soft);
      box-shadow: 0 20px 60px rgba(0,0,0,0.09);
    }

    .hero-panel h3 {
      font-size: 1.05rem;
      margin-bottom: 0.6rem;
    }

    .hero-panel p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

    .hero-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 0.9rem;
    }

    .pill {
      border-radius: 999px;
      background: #f7f7fb;
      border: 1px solid #e3e3ee;
      padding: 0.3rem 0.8rem;
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .hero-note {
      font-size: 0.78rem;
      color: var(--text-muted);
      border-top: 1px solid #eee;
      padding-top: 0.7rem;
      margin-top: 0.4rem;
    }

    /* SECCIONES */
    section {
      padding: 4.2rem 0;
    }

    .section-header {
      text-align: center;
      margin-bottom: 2.8rem;
    }

    .section-header .eyebrow {
      margin-bottom: 0.4rem;
    }

    .section-header h2 {
      font-size: 2rem;
      margin-bottom: 0.4rem;
    }

    .section-header p {
      max-width: 560px;
      margin: 0 auto;
      color: var(--text-muted);
      font-size: 0.98rem;
    }

    .section--soft {
      background: var(--bg-soft);
    }

    /* SERVICIOS */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1.8rem;
    }

    .card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 1.8rem 1.6rem;
      border: 1px solid var(--border-soft);
      box-shadow: 0 8px 26px rgba(0,0,0,0.04);
      transition: transform 0.16s ease, box-shadow 0.16s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.06);
    }

    .card h3 {
      font-size: 1.15rem;
      margin-bottom: 0.3rem;
    }

    .card small {
      display: block;
      margin-bottom: 0.8rem;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: var(--text-muted);
    }

    .card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 0.9rem;
    }

    .card ul {
      list-style: none;
      padding-left: 1rem;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .card ul li {
      margin-bottom: 0.35rem;
      position: relative;
    }

    .card ul li::before {
      content: "";
      position: absolute;
      left: -0.8rem;
      top: 0.55rem;
      width: 5px;
      height: 5px;
      border-radius: 999px;
      background: var(--gold);
    }

    /* INDUSTRIAS */
    .industries-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1.4rem;
    }

    .industry {
      background: var(--white);
      border-radius: var(--radius);
      padding: 1.3rem 1.2rem;
      border: 1px solid var(--border-soft);
      text-align: left;
    }

    .industry h3 {
      font-size: 0.98rem;
      margin-bottom: 0.35rem;
    }

    .industry p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* PROYECTOS */
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1.8rem;
    }

    .project-card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--border-soft);
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.05);
      display: flex;
      flex-direction: column;
    }

    .project-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      filter: grayscale(40%);
    }

    .project-body {
      padding: 1.3rem 1.4rem 1.4rem;
    }

    .project-body h3 {
      font-size: 1.02rem;
      margin-bottom: 0.4rem;
    }

    .project-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
    }

    .project-tag {
      font-size: 0.78rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.16em;
    }
    /* ------------------------------
   MARCAS
    --------------------------------*/
    .brands-logos {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 3rem;
      flex-wrap: wrap;
    }

    .brands-logos img {
      height: 150px;
      opacity: 0.85;
      transition: var(--transition);
    }

    .brands-logos img:hover {
      opacity: 1;
    }
    /* CONTACTO */
    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
      gap: 2.5rem;
      margin-top: 2rem;
    }

    form label {
      display: block;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--text-muted);
      margin-bottom: 0.25rem;
    }

    form input,
    form textarea,
    form select {
      width: 100%;
      border-radius: 12px;
      border: 1px solid #dcdce6;
      padding: 0.75rem 0.85rem;
      margin-bottom: 0.9rem;
      font-size: 0.9rem;
      font-family: inherit;
      background: #fafafe;
    }

    form textarea {
      min-height: 120px;
      resize: vertical;
    }

    form input:focus,
    form textarea:focus,
    form select:focus {
      outline: none;
      border-color: var(--gold);
      box-shadow: 0 0 0 1px rgba(200,160,75,0.4);
      background: #ffffff;
    }

    .contact-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 1.7rem 1.5rem;
      border: 1px solid var(--border-soft);
      box-shadow: 0 10px 30px rgba(0,0,0,0.05);
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .contact-card a {
    color: var(--gold);
    font-weight: 500;
    transition: color 0.2s ease;
    }

.contact-card a:hover {
  color: var(--text-dark);
  text-decoration: underline;
}
    .contact-card h3 {
      font-size: 1rem;
      margin-bottom: 0.6rem;
      color: var(--text-dark);
    }

    .contact-card p {
      margin-bottom: 0.4rem;
    }

    .contact-card strong {
      color: var(--text-dark);
    }

    .contact-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      margin-top: 0.8rem;
    }

    .contact-tag {
      border-radius: 999px;
      border: 1px solid var(--border-soft);
      padding: 0.3rem 0.8rem;
      font-size: 0.78rem;
      color: var(--text-muted);
      background: #fafafa;
    }

    /* FOOTER */
    footer {
      background: #ffffff;
      border-top: 1px solid #e3e3ea;
      padding: 1.8rem 0;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .footer-links {
      display: flex;
      gap: 1.3rem;
      flex-wrap: wrap;
      font-size: 0.82rem;
    }

    /* REVEAL ANIMATIONS */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* RESPONSIVE */
    @media (max-width: 960px) {
      .hero-inner {
        grid-template-columns: minmax(0, 1fr);
      }

      .hero {
        padding-top: 3.3rem;
      }

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

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

      .projects-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .contact-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    @media (max-width: 720px) {
      .nav-links {
        display: none;
      }

      .services-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .industries-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .hero {
        min-height: auto;
      }
    }

    @media (max-width: 480px) {
      .hero h1 {
        font-size: 2.1rem;
      }
    }