:root{
    --navy: #0F223B;
    --navy-soft: #17304F;
    --stone: #8B8682;
    --stone-light: #B7B2AC;
    --linen: #DFDBD7;
    --linen-light: #EDEAE6;
    --white: #FFFFFF;
    --ink: #0F223B;
    --line: rgba(15,34,59,0.12);
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    font-family:'Montserrat', sans-serif;
    color: var(--ink);
    background: var(--white);
    font-weight: 400;
    line-height: 1.6;
  }
  h1,h2,h3,.serif{ font-family:'Libre Baskerville', serif; }
  a{ color: inherit; text-decoration: none; }
  img{ max-width:100%; display:block; }

  .wrap{ max-width: 1180px; margin: 0 auto; padding: 0 32px; }

  /* ---------- Header ---------- */
  header{
    background: var(--navy);
    position: sticky; top:0; z-index: 50;
  }
  .nav{
    position: relative;
    display:flex; align-items:center; justify-content:space-between;
    padding: 20px 32px;
    max-width: 1180px; margin:0 auto;
  }
  .nav .logo-mark{ width: 44px; display: block; }
  .nav-links{ display:flex; gap: 30px; }
  .nav-links a{
    color: var(--linen);
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 500;
  }
  .nav-links a:hover{ color: var(--white); }
  .menu-btn{
    display:none; background:none; border:none; cursor:pointer; padding:4px;
    position: relative; z-index: 60;
  }
  .menu-btn span{
    display:block; width:22px; height:2px; background:var(--linen); margin:5px 0;
    transition: transform .25s ease, opacity .2s ease;
  }
  .menu-btn.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .menu-btn.is-open span:nth-child(2){ opacity: 0; }
  .menu-btn.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  @media (max-width: 760px){
    .nav-links{
      display: none;
      position: absolute;
      top: 100%; left: 0; right: 0;
      flex-direction: column;
      gap: 0;
      background: var(--navy-soft);
      border-top: 1px solid rgba(255,255,255,0.1);
      box-shadow: 0 18px 30px rgba(15,34,59,0.25);
    }
    .nav-links.is-open{ display: flex; }
    .nav-links a{
      padding: 18px 32px;
      width: 100%;
      box-sizing: border-box;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .menu-btn{ display:block; }
  }

  /* ---------- Hero ---------- */
  .hero{
    background: var(--navy);
    position: relative;
    overflow: hidden;
    padding: 100px 0 130px;
  }
  .hero .iso-watermark{
    position:absolute;
    right: -60px; top: 50%;
    transform: translateY(-50%);
    width: 560px;
    opacity: 0.14;
    pointer-events:none;
  }
  .hero-inner{
    position: relative;
    max-width: 1180px; margin:0 auto; padding: 0 32px;
  }
  .hero-eyebrow{
    color: var(--stone-light);
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 26px;
  }
  .hero h1{
    color: var(--white);
    font-size: 52px;
    font-weight: 400;
    line-height: 1.28;
    max-width: 640px;
    margin: 0 0 28px;
  }
  .hero p.lede{
    color: var(--linen);
    font-size: 16px;
    max-width: 460px;
    margin: 0 0 40px;
    line-height: 1.8;
  }
  .btn{
    display:inline-block;
    padding: 15px 34px;
    border: 1px solid var(--linen);
    color: var(--white);
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background .25s ease, color .25s ease;
  }
  .btn:hover{ background: var(--white); color: var(--navy); }

  @media (max-width: 640px){
    .hero{ padding: 70px 0 90px; }
    .hero h1{ font-size: 34px; }
    .hero .iso-watermark{ width: 340px; opacity: 0.12; }
  }

  /* ---------- Page banner (páginas internas) ---------- */
  .page-banner{
    background: var(--navy);
    padding: 64px 0;
  }
  .page-banner h1{
    color: var(--white);
    font-size: 38px;
    font-weight: 400;
    margin: 0 0 14px;
  }
  .page-banner .lede{
    color: var(--linen);
    font-size: 15.5px;
    max-width: 520px;
    margin: 0;
    line-height: 1.8;
  }
  @media (max-width: 640px){
    .page-banner{ padding: 48px 0; }
    .page-banner h1{ font-size: 28px; }
  }

  /* ---------- Section shells ---------- */
  section{ padding: 100px 0; }
  .section-head{
    text-align:center;
    max-width: 660px;
    margin: 0 auto 56px;
  }
  .section-head .kicker{
    color: var(--stone);
    font-size: 26px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin: 0 0 22px;
    font-weight: 400;
  }
  .section-head p{
    color: #4A4540;
    font-size: 15.5px;
    line-height: 1.85;
    margin: 0;
  }
  .bg-linen{ background: var(--linen-light); }
  .bg-linen{
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 44px 44px;
    background-color: var(--linen-light);
  }

  /* ---------- Quienes somos ---------- */
  .about{
    display:grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
    align-items: center;
  }
  .about-figure-wrap{ position: relative; }
  .about-figure{
    aspect-ratio: 4/5;
    overflow: hidden;
    position: relative;
  }
  .about-figure img{ width: 100%; height: 100%; object-fit: cover; opacity: 1; }
  .about-badge{
    position: absolute;
    right: -22px; bottom: -22px;
    width: 40%;
    min-width: 150px;
    box-sizing: border-box;
    background: var(--navy);
    padding: 25px;
    display:flex; flex-direction:column; align-items:center;
    gap: 10px;
    box-shadow: 0 16px 34px rgba(15,34,59,0.28);
  }
  .about-badge-icon{ width: 48%; display:block; }
  .about-badge-word{ width: 100%; display:block; }
  @media (max-width: 860px){
    .about-badge{ right: 16px; bottom: 16px; }
  }
  .about-body .kicker{
    color: var(--stone);
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin: 0 0 18px;
  }
  .about-body h2{
    font-size: 30px;
    font-weight: 400;
    line-height: 1.4;
    margin: 0 0 22px;
    color: var(--navy);
  }
  .about-body p{
    color: #4A4540;
    font-size: 15.5px;
    line-height: 1.9;
    margin: 0 0 16px;
    max-width: 480px;
  }
  @media (max-width: 860px){
    .about{ grid-template-columns: 1fr; gap: 40px; }
    .about-figure{ aspect-ratio: 16/9; }
  }

  /* ---------- Servicios ---------- */
  .services-grid{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .service-card{
    background: var(--white);
    padding: 42px 40px;
    box-shadow: 0 18px 40px rgba(15,34,59,0.07);
  }
  .service-card.wide{ grid-column: span 2; }
  .service-icon{
    width: 40px; height:40px;
    margin-bottom: 22px;
  }
  .service-card h3{
    font-size: 19px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: 0.03em;
    margin: 0 0 16px;
  }
  .service-card p, .service-card ul{
    color: #4A4540;
    font-size: 14.5px;
    line-height: 1.85;
    margin: 0;
  }
  .service-card ul{ padding-left: 18px; }
  .service-card ul li{ margin-bottom: 4px; }
  .subgroup{ margin-top: 18px; }
  .subgroup:first-child{ margin-top: 0; }
  .subgroup h4{
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--stone);
    margin: 0 0 8px;
    font-weight: 600;
  }
  .service-cols{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  @media (max-width: 860px){
    .services-grid{ grid-template-columns: 1fr; }
    .service-card.wide{ grid-column: span 1; }
    .service-cols{ grid-template-columns: 1fr; gap: 24px; }
  }

  /* ---------- Novedades ---------- */
  .novedades-search{
    position: relative;
    max-width: 780px;
    margin: 0 auto 44px;
  }
  .novedades-search input{
    width: 100%;
    box-sizing: border-box;
    padding: 12px 28px 12px 2px;
    border: none;
    border-bottom: 1px solid var(--stone-light);
    background: transparent;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    color: var(--ink);
    outline: none;
    transition: border-color .2s ease;
    -webkit-appearance: none;
    appearance: none;
  }
  .novedades-search input::placeholder{ color: var(--stone); }
  .novedades-search input:focus{ border-bottom-color: var(--navy); }
  .novedades-search input:disabled{ opacity: 0.5; cursor: default; }
  .novedades-search input::-webkit-search-cancel-button{ cursor: pointer; }
  .novedades-search-icon{
    position: absolute;
    right: 2px; top: 50%;
    transform: translateY(-50%);
    width: 18px; height: 18px;
    color: var(--stone);
    pointer-events: none;
  }
  .novedades-list{
    display:flex; flex-direction:column;
    max-width: 780px; margin: 0 auto;
  }
  .novedad-item{
    display:grid;
    grid-template-columns: 130px 1fr;
    gap: 32px;
    padding: 34px 0;
    border-top: 1px solid var(--line);
    scroll-margin-top: 96px;
    transition: background-color 1s ease;
  }
  .novedad-item.is-shared{ background-color: var(--linen-light); }
  .novedades-list .novedad-item:last-child{ border-bottom: 1px solid var(--line); }
  .novedad-date{
    display:flex; flex-direction:column; align-items:flex-start;
    gap: 10px;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--stone);
    padding-top: 3px;
  }
  .novedad-tag{
    display:inline-block;
    padding: 3px 9px;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--line);
    color: var(--stone);
    white-space: nowrap;
  }
  .novedad-tag.tag-laborales{ border-color: rgba(15,34,59,0.3); color: var(--navy); }
  .novedad-tag.tag-salariales{ border-color: var(--stone-light); color: var(--stone); }
  .novedad-tag.tag-impositivas{ background: var(--navy); border-color: var(--navy); color: var(--white); }
  .novedad-tag.tag-otras{ border-color: var(--line); color: var(--stone); }
  .novedad-body h3{
    font-size: 19px;
    font-weight: 700;
    color: var(--navy);
    margin: 0 0 12px;
  }
  .novedad-body img{
    margin: 6px 0 16px;
    max-width: 100%;
  }
  .novedad-body p{
    color: #4A4540;
    font-size: 14.5px;
    line-height: 1.85;
    margin: 0 0 12px;
    white-space: pre-line;
  }
  .novedad-actions{
    display:flex; flex-wrap:wrap;
    align-items:center;
    gap: 26px;
  }
  .novedad-link{
    display:inline-flex; align-items:center; gap: 6px;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--navy);
    border: none;
    border-bottom: 1px solid var(--navy);
    padding: 0 0 1px;
    background: none;
    font-family: inherit;
    cursor: pointer;
  }
  .novedad-share svg{ width: 13px; height: 13px; }
  .novedad-share.is-copied{ color: var(--stone); border-bottom-color: var(--stone); }
  .novedades-empty{
    text-align:center;
    color: #4A4540;
    font-size: 14.5px;
  }
  @media (max-width: 640px){
    .novedad-item{ grid-template-columns: 1fr; gap: 8px; }
  }

  /* ---------- Contacto ---------- */
  .contact{
    background: var(--navy);
    color: var(--linen);
  }
  .contact .section-head .kicker{ color: var(--stone-light); }
  .contact .section-head p{ color: var(--linen); opacity: 0.85; }
  .contact-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align:center;
  }
  .contact-item .label{
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--stone-light);
    margin-bottom: 14px;
  }
  .contact-item .value{
    font-size: 16px;
    color: var(--white);
    line-height: 1.7;
  }
  .contact-item .value a:hover{ text-decoration: underline; }
  @media (max-width: 760px){
    .contact-grid{ grid-template-columns: 1fr; gap: 36px; }
  }

  /* ---------- Footer ---------- */
  footer{
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 44px 0;
  }
  .footer-inner{
    display:flex; flex-direction: column; align-items:center; justify-content:center;
    text-align: center;
    gap: 18px;
  }
  .footer-inner img{ height: 48px; opacity: 0.85; }
  .footer-inner .copy{
    font-size: 12px;
    color: var(--stone-light);
    letter-spacing: 0.04em;
  }

  /* ---------- Botón flotante de WhatsApp ---------- */
  .whatsapp-fab{
    position: fixed;
    right: 24px; bottom: 24px;
    width: 58px; height: 58px;
    display:flex; align-items:center; justify-content:center;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 14px 30px rgba(15,34,59,0.32);
    z-index: 999;
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .whatsapp-fab svg{ width: 28px; height: 28px; fill: var(--white); display:block; }
  .whatsapp-fab:hover{
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 18px 36px rgba(15,34,59,0.4);
  }
  @media (max-width: 640px){
    .whatsapp-fab{ right: 16px; bottom: 16px; width: 52px; height: 52px; }
    .whatsapp-fab svg{ width: 25px; height: 25px; }
  }
  @media (prefers-reduced-motion: reduce){
    .whatsapp-fab{ transition: none; }
    .whatsapp-fab:hover{ transform: none; }
  }