:root {
      --fondo: #0d0f12;
      --papel: rgba(20, 23, 28, 0.96);
      --texto: #f1ede4;
      --texto-suave: #aaa49a;
      --acento: #b5935b;
      --acento-oscuro: #d6b77e;
      --linea: rgba(214, 183, 126, 0.16);
      --sombra: 0 24px 70px rgba(0, 0, 0, 0.42);
      --radio: 26px;
      --ancho: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--texto);
      background:
        radial-gradient(circle at 12% 0%, rgba(181, 147, 91, 0.12), transparent 32%),
        radial-gradient(circle at 100% 100%, rgba(91, 108, 128, 0.10), transparent 36%),
        linear-gradient(180deg, #0a0c0f 0%, #11151a 100%);
      font-family: Georgia, "Times New Roman", serif;
      line-height: 1.65;
    }

    a {
      color: inherit;
    }

    .pagina {
      width: min(calc(100% - 32px), var(--ancho));
      margin: 0 auto;
      padding: 24px 0 42px;
    }

    .cabecera {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 10px 4px 28px;
    }

    .marca {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      font-size: 1.04rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .marca::before {
      content: "";
      width: 34px;
      height: 1px;
      background: var(--acento);
    }

    .menu {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.92rem;
    }

    .menu a {
      color: var(--texto-suave);
      text-decoration: none;
    }

    .menu a:hover {
      color: var(--acento);
    }

    .tarjeta-principal {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
      align-items: center;
      gap: clamp(34px, 6vw, 80px);
      min-height: 650px;
      padding: clamp(34px, 6vw, 74px);
      background:
        linear-gradient(145deg, rgba(27, 31, 37, 0.98), rgba(17, 20, 24, 0.98));
      border: 1px solid var(--linea);
      border-radius: var(--radio);
      box-shadow: var(--sombra);
      backdrop-filter: blur(8px);
    }

    .antetitulo {
      margin: 0 0 16px;
      color: var(--acento);
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    h1 {
      max-width: 760px;
      margin: 0;
      font-size: clamp(3rem, 8vw, 6.8rem);
      font-weight: 500;
      line-height: 0.93;
      letter-spacing: -0.055em;
    }

    .lema {
      margin: 26px 0 0;
      color: var(--acento-oscuro);
      font-size: clamp(1.1rem, 2vw, 1.45rem);
      letter-spacing: 0.04em;
    }

    .presentacion {
      max-width: 660px;
      margin: 28px 0 0;
      color: var(--texto-suave);
      font-size: 1.08rem;
    }

    .acciones {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 34px;
    }

    .boton {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 20px;
      border: 1px solid var(--acento);
      border-radius: 999px;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.94rem;
      font-weight: 700;
      text-decoration: none;
      transition: 0.2s ease;
    }

    .boton-principal {
      color: #121417;
      background: var(--acento);
    }

    .boton-secundario {
      color: var(--acento-oscuro);
      background: transparent;
    }

    .boton:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(0, 0, 0, 0.30);
    }

    .foto-marco {
      position: relative;
      width: min(100%, 410px);
      aspect-ratio: 1 / 1;
      justify-self: end;
      overflow: hidden;
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 30%, rgba(214, 183, 126, 0.13), transparent 42%),
        repeating-linear-gradient(
          0deg,
          rgba(255,255,255,0.018) 0,
          rgba(255,255,255,0.018) 1px,
          transparent 1px,
          transparent 5px
        ),
        #20242a;
      border: 1px solid var(--linea);
    }

    .foto-marco img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .foto-placeholder {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      padding: 34px;
      color: #8f8a82;
      text-align: center;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.92rem;
    }

    .foto-placeholder strong {
      display: block;
      margin-bottom: 8px;
      color: #d5c2a0;
      font-family: Georgia, "Times New Roman", serif;
      font-size: 1.3rem;
      font-weight: 500;
    }

    .seccion {
      padding: 86px 6px 12px;
    }

    .encabezado-seccion {
      max-width: 730px;
      margin-bottom: 32px;
    }

    .encabezado-seccion h2 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 500;
      line-height: 1.05;
      letter-spacing: -0.035em;
    }

    .encabezado-seccion p {
      margin: 16px 0 0;
      color: var(--texto-suave);
      font-size: 1.03rem;
    }

    .proyectos {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .proyecto {
      min-height: 245px;
      padding: 28px;
      background: rgba(24, 28, 33, 0.82);
      border: 1px solid var(--linea);
      border-radius: 20px;
      text-decoration: none;
      transition: 0.2s ease;
    }

    .proyecto:hover {
      transform: translateY(-4px);
      background: rgba(31, 36, 42, 0.98);
      box-shadow: 0 16px 38px rgba(0, 0, 0, 0.34);
    }

    .proyecto-numero {
      color: var(--acento);
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.13em;
    }

    .proyecto h3 {
      margin: 42px 0 12px;
      font-size: 1.7rem;
      font-weight: 500;
    }

    .proyecto p {
      margin: 0;
      color: var(--texto-suave);
      font-size: 0.98rem;
    }

    .contacto {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      margin-top: 80px;
      padding: 36px 40px;
      background:
        linear-gradient(135deg, #1d2228 0%, #111419 100%);
      color: #f5f1e8;
      border: 1px solid var(--linea);
      border-radius: 22px;
    }

    .contacto h2 {
      margin: 0;
      font-size: clamp(1.7rem, 4vw, 2.7rem);
      font-weight: 500;
    }

    .contacto p {
      margin: 8px 0 0;
      color: rgba(245, 241, 232, 0.68);
    }

    .contacto a {
      flex: 0 0 auto;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      font-weight: 700;
      text-underline-offset: 5px;
    }

    footer {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      padding: 32px 6px 0;
      color: #858078;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 0.83rem;
    }

    footer nav {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    footer a {
      color: inherit;
    }

    @media (max-width: 860px) {
      .cabecera {
        align-items: flex-start;
      }

      .menu {
        justify-content: flex-end;
      }

      .tarjeta-principal {
        grid-template-columns: 1fr;
        min-height: auto;
      }

      .foto-marco {
        width: min(100%, 380px);
        justify-self: start;
        order: -1;
      }

      .proyectos {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 620px) {
      .pagina {
        width: min(calc(100% - 20px), var(--ancho));
        padding-top: 12px;
      }

      .cabecera {
        display: block;
        padding: 10px 4px 20px;
      }

      .menu {
        justify-content: flex-start;
        margin-top: 16px;
        gap: 12px 16px;
      }

      .tarjeta-principal {
        padding: 22px;
        border-radius: 20px;
      }

      h1 {
        font-size: clamp(3.1rem, 18vw, 5rem);
      }

      .foto-marco {
        max-width: 310px;
      }

      .seccion {
        padding-top: 64px;
      }

      .contacto {
        align-items: flex-start;
        flex-direction: column;
        padding: 28px;
      }

      footer {
        flex-direction: column;
      }
    }