:root{
    --verde: #1F3B2E;
    --crema: #F5F2EC;
    --dorado: #C99A3B;
    --carbon: #111111;
    --piedra: #8C8C86;
    --crema-suave: #EDE8DD;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--crema);
    color:var(--verde);
    font-family:'Work Sans',sans-serif;
    font-weight:400;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:'Lora',serif;
    font-weight:500;
    line-height:1.15;
    color:var(--verde);
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    display:inline-block;
    font-family:'Work Sans',sans-serif;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--dorado);
    margin-bottom:18px;
  }
  .rule{
    width:46px;height:2px;background:var(--dorado);
    margin:0 0 22px 0;
  }
  .rule.center{margin-left:auto;margin-right:auto;}

  /* ---------- HEADER ---------- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(245,242,236,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(31,59,46,0.08);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 32px;max-width:1120px;margin:0 auto;
  }
  .logo-link{display:flex;align-items:center;gap:10px;}
  .logo-icon-img{
    height:38px;width:auto;
    flex-shrink:0;
  }
  .logo-word{font-family:'Lora',serif;font-size:19px;letter-spacing:.02em;color:var(--verde);}
  nav ul{display:flex;gap:38px;list-style:none;}
  nav a{
    font-size:13px;font-weight:500;letter-spacing:.08em;
    text-transform:uppercase;color:var(--verde);
    position:relative;padding-bottom:4px;
  }
  nav a::after{
    content:"";position:absolute;left:0;bottom:0;
    width:0;height:1.5px;background:var(--dorado);
    transition:width .25s ease;
  }
  nav a:hover::after{width:100%;}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
  .menu-toggle span{display:block;width:24px;height:2px;background:var(--verde);margin:5px 0;}
  .lang-switch{font-size:12px; font-weight:600; letter-spacing:.06em; margin-left:24px;}
  .lang-switch a{color:var(--piedra); padding:2px 4px;}
  .lang-switch a.active{color:var(--verde); text-decoration:underline;}

  /* ---------- HERO ---------- */
  #inicio{
    padding:190px 0 130px;
    text-align:center;
  }
  #inicio .wrap{max-width:760px;}
  #inicio h1{
    font-size:clamp(34px,5vw,54px);
    margin-bottom:26px;
  }
  #inicio .subtitle{
    font-size:18px;color:#3f5346;
    max-width:560px;margin:0 auto 42px;
  }
  .btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:15px 34px;
    font-family:'Work Sans',sans-serif;
    font-size:13.5px;font-weight:600;letter-spacing:.09em;
    text-transform:uppercase;
    border-radius:2px;
    transition:transform .2s ease, background .2s ease;
  }
  .btn-solid{background:var(--verde);color:var(--crema);}
  .btn-solid:hover{background:#16291f; transform:translateY(-1px);}
  .btn-solid .arrow{transition:transform .2s ease;}
  .btn-solid:hover .arrow{transform:translateX(3px);}

  /* ---------- CATALOGO ---------- */
  #catalogo{padding:110px 0 120px;}
  .section-head{text-align:center;max-width:640px;margin:0 auto 72px;}
  .section-head h2{font-size:clamp(28px,4vw,38px);}
  .section-head .rule{margin-left:auto;margin-right:auto;}

  .catalogo-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:48px 40px;
  }
  .book-card{
    display:flex;flex-direction:column;
  }
  .book-cover{
    aspect-ratio:2/3;
    border-radius:3px;
    overflow:hidden;
    margin-bottom:26px;
    box-shadow:0 18px 40px -18px rgba(17,17,17,0.35);
    position:relative;
  }
  .book-cover img{width:100%;height:100%;object-fit:cover;}
  .book-title{font-size:22px;margin-bottom:6px;}
  .book-tagline{
    font-size:13.5px;color:var(--dorado);font-weight:500;
    margin-bottom:14px;line-height:1.5;
  }
  .book-desc{font-size:15px;color:#3f5346;margin-bottom:16px;flex-grow:1;}
  .book-author{
    font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;
    color:var(--piedra);margin-bottom:8px;
  }
  .book-bio{
    font-size:13.5px;color:#3f5346;opacity:.85;line-height:1.55;
    margin-bottom:20px;font-style:italic;
  }
  .book-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
  .btn-outline{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 22px;
    border:1px solid var(--verde);
    font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
    align-self:flex-start;
    transition:background .2s ease, color .2s ease;
  }
  .btn-outline:hover{background:var(--verde);color:var(--crema);}

  /* ---------- EDITORIAL ---------- */
  #editorial{
    background:var(--verde);
    color:var(--crema);
    padding:120px 0;
  }
  #editorial .eyebrow{color:var(--dorado);}
  #editorial .section-head{max-width:700px;}
  #editorial .section-head h2{color:var(--crema);}
  #editorial .rule{background:var(--dorado);}
  #editorial .manifesto{
    max-width:660px;margin:0 auto 84px;
    font-size:16.5px;color:#dfe6e0;
  }
  #editorial .manifesto p{margin-bottom:20px;}
  #editorial .manifesto p:last-child{color:var(--crema);font-weight:500;}

  .pilares{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:48px;
    border-top:1px solid rgba(245,242,236,0.18);
    padding-top:56px;
  }
  .pilar-num{
    font-family:'Lora',serif;font-size:14px;color:var(--dorado);
    margin-bottom:14px;
  }
  .pilar h3{
    color:var(--crema);font-size:15px;letter-spacing:.05em;
    text-transform:uppercase;font-family:'Work Sans',sans-serif;font-weight:600;
    margin-bottom:12px;
  }
  .pilar p{font-size:14.5px;color:#c7d1c9;}

  /* ---------- CONTACTO ---------- */
  #contacto{padding:120px 0;text-align:center;}
  #contacto .wrap{max-width:560px;}
  #contacto h2{font-size:clamp(26px,4vw,34px);}
  #contacto p{font-size:16px;color:#3f5346;margin:22px 0 30px;}
  .email-link{
    font-family:'Lora',serif;font-style:italic;
    font-size:22px;color:var(--verde);
    border-bottom:1.5px solid var(--dorado);
    padding-bottom:4px;
  }
  .email-link:hover{color:var(--dorado);}

  /* ---------- FOOTER ---------- */
  footer{
    background:var(--crema-suave);
    padding:56px 0 36px;
    border-top:1px solid rgba(31,59,46,0.1);
  }
  footer .wrap{text-align:center;}
  .footer-logo-img{
    height:96px;width:auto;
    margin:0 auto 20px;
  }
  footer .foot-name{font-family:'Lora',serif;font-size:17px;margin-bottom:4px;}
  footer .foot-tag{font-size:13px;color:var(--piedra);margin-bottom:26px;}
  footer nav ul{justify-content:center;margin-bottom:26px;}
  footer nav a{font-size:11.5px;}
  footer .foot-email{font-size:14px;margin-bottom:18px;display:inline-block;}
  footer .foot-copy{font-size:11.5px;color:var(--piedra);}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:860px){
    .catalogo-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;}
    .pilares{grid-template-columns:1fr;gap:36px;}
  }
  @media (max-width:680px){
    nav{
      position:fixed;top:67px;left:0;right:0;
      background:var(--crema);
      flex-direction:column;
      padding:20px 32px 28px;
      border-bottom:1px solid rgba(31,59,46,0.1);
      transform:translateY(-130%);
      transition:transform .3s ease;
    }
    nav.open{transform:translateY(0);}
    nav ul{flex-direction:column;gap:20px;}
    .menu-toggle{display:block;}
    #inicio{padding:150px 0 90px;}
  }