:root{
    --cafe:#3F220C;
    --cafe-2:#2A1608;
    --verde:#BEC43F;
    --verde-2:#a5ab30;
    --crema:#F3EAD9;
    --off:#EAE2D0;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Work Sans',sans-serif;
    color:var(--cafe);
    background:var(--crema);
    line-height:1.35;
    word-spacing:-1.5px;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Anton',sans-serif;
    text-transform:uppercase;
    letter-spacing:0.5px;
    line-height:0.95;
  }
  a{color:inherit;text-decoration:none;}
  .wrap{max-width:1100px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    font-family:'Work Sans',sans-serif;
    font-weight:700;
    font-size:13px;
    letter-spacing:3px;
    text-transform:uppercase;
  }

  /* subtle paper grain, warmth */
  .grain{position:relative;}
  .grain::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:0.05;
    background-image:radial-gradient(circle, #000 1px, transparent 1px);
    background-size:3px 3px;
  }

  /* reveal on scroll */
  .reveal{opacity:0;transform:translateY(22px);transition:opacity 0.7s ease, transform 0.7s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* organic hand-drawn divider */
  .divider{display:block;width:100%;height:70px;margin-top:-1px;}

  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:'Work Sans',sans-serif;font-weight:700;font-size:14px;letter-spacing:0.3px;
    padding:15px 30px;
    background:var(--cafe);color:var(--crema);
    border-radius:34px 10px 30px 12px;
    border:none;cursor:pointer;
    transition:transform 0.25s ease, background 0.25s ease;
  }
  .btn:hover{transform:translateY(-3px) rotate(-1deg);background:var(--cafe-2);}
  .btn-outline{background:transparent;color:var(--cafe);border:2.5px solid var(--cafe);}
  .btn-outline:hover{background:var(--cafe);color:var(--crema);}
  .btn-sm{padding:11px 22px;font-size:13px;}

  /* ===== NAV ===== */
  nav{position:sticky;top:0;z-index:50;background:rgba(243,234,217,0.92);backdrop-filter:blur(6px);border-bottom:1px solid rgba(63,34,12,0.15);}
  nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;}
  .logo-mark{display:flex;align-items:center;gap:10px;}
  .logo-mark svg{width:36px;height:36px;flex-shrink:0;}
  .logo-mark span{font-family:'Anton',sans-serif;font-size:17px;letter-spacing:0.5px;}
  nav .links{display:flex;gap:30px;font-size:14px;font-weight:600;}
  nav .links a{position:relative;padding:4px 0;}
  nav .links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--cafe);transition:width 0.25s ease;}
  nav .links a:hover::after{width:100%;}

  /* ===== HERO ===== */
  .hero{background:linear-gradient(160deg, rgba(190,196,63,0.82), rgba(190,196,63,0.68)), url('../assets/images/hero-bg.jpg') center 40%/cover no-repeat;padding:100px 0 60px;position:relative;overflow:hidden;}
  .hero .wrap{display:grid;grid-template-columns:0.55fr 1.45fr;gap:20px;align-items:center;position:relative;z-index:2;}
  .hero-logo{width:100%;max-width:220px;height:auto;}
  .hero .eyebrow{color:var(--cafe-2);margin-bottom:16px;}
  .hero h1{font-size:54px;line-height:0.92;color:var(--cafe);}
  .hero p{font-size:18px;max-width:470px;margin:24px 0 32px;font-weight:500;}
  .hero-blob{
    aspect-ratio:1/1;background:var(--cafe);
    border-radius:52% 48% 58% 42% / 45% 55% 45% 55%;
    display:flex;align-items:center;justify-content:center;
    position:relative;
  }
  .hero-blob svg{width:56%;height:56%;}
  .bg-dot{position:absolute;border-radius:50%;background:var(--cafe);opacity:0.08;}

  /* ===== SERVICIOS ===== */
  .servicios{background:linear-gradient(160deg, rgba(63,34,12,0.93), rgba(42,22,8,0.88)), url('../assets/images/servicios-bg.jpg') center/cover no-repeat;color:var(--crema);padding:110px 0 100px;position:relative;}
  .servicios .eyebrow{color:var(--verde);margin-bottom:14px;}
  .servicios h2{font-size:50px;margin-bottom:56px;color:var(--crema);}
  .lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px 40px;}
  .lab-item{
    display:flex;flex-direction:column;gap:14px;align-items:flex-start;
    transition:transform 0.3s ease;
  }
  .lab-item:hover{transform:translateY(-6px);}
  .lab-item svg{width:34px;height:34px;stroke:var(--verde);}
  .lab-name{font-family:'Anton',sans-serif;font-size:24px;text-transform:uppercase;text-shadow:0 2px 10px rgba(0,0,0,0.35);}

  /* ===== PLANES ===== */
  .planes{padding:110px 0 100px;background:var(--crema);}
  .planes .eyebrow{margin-bottom:14px;}
  .planes h2{font-size:50px;margin-bottom:16px;}
  .planes-sub{font-size:16px;max-width:520px;margin-bottom:52px;font-weight:500;color:var(--cafe-2);}
  .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .plan{
    padding:36px 28px;
    border:2.5px solid var(--cafe);
    border-radius:40px 14px 36px 16px;
    display:flex;flex-direction:column;
    background:var(--off);
    transition:transform 0.3s ease;
  }
  .plan:hover{transform:translateY(-6px);}
  .plan-name{font-family:'Anton',sans-serif;font-size:27px;margin-bottom:4px;}
  .plan-tag{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:22px;color:var(--cafe-2);opacity:0.7;}
  .plan-feat{font-size:14px;font-weight:500;padding:9px 0;border-top:1px solid rgba(63,34,12,0.15);}
  .plan-feat:first-of-type{border-top:none;}
  .plan.featured{background:var(--verde);border-color:var(--cafe);}
  .plan.featured .plan-feat{border-top-color:rgba(63,34,12,0.28);}
  .plan-badge{display:inline-block;background:var(--cafe);color:var(--verde);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:6px 12px;border-radius:14px 4px 14px 4px;margin-bottom:14px;align-self:flex-start;}
  .plan .btn{margin-top:24px;justify-content:center;}

  /* ===== SOBRE ===== */
  .sobre{background:var(--verde);padding:110px 0;}
  .sobre .wrap{display:grid;grid-template-columns:0.9fr 1.2fr;gap:60px;align-items:center;}
  .sobre-visual{
    aspect-ratio:4/5;background:var(--cafe);
    border-radius:48% 52% 40% 60% / 55% 45% 55% 45%;
  }
  .sobre .eyebrow{color:var(--cafe-2);margin-bottom:14px;}
  .sobre h2{font-size:44px;margin-bottom:20px;}
  .sobre p{font-size:17px;font-weight:500;margin-bottom:22px;max-width:520px;}
  .quote{font-family:'Anton',sans-serif;font-size:23px;text-transform:uppercase;border-left:4px solid var(--cafe);padding-left:18px;margin-top:26px;max-width:480px;}

  /* ===== CONTACTO ===== */
  .contacto{background:linear-gradient(160deg, rgba(63,34,12,0.92), rgba(42,22,8,0.9)), url('../assets/images/contacto-bg.jpg') center/cover no-repeat;color:var(--crema);padding:110px 0 90px;}
  .contacto .wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;}
  .contacto .eyebrow{color:var(--verde);margin-bottom:14px;}
  .contacto h2{font-size:50px;color:var(--crema);margin-bottom:20px;}
  .contacto p{font-size:16px;color:rgba(243,234,217,0.78);max-width:420px;margin-bottom:28px;}
  .contact-line{display:flex;gap:12px;font-size:15px;font-weight:600;margin-bottom:12px;}
  .contact-line span{color:var(--verde);}
  form{display:flex;flex-direction:column;gap:16px;}
  input,textarea{
    background:rgba(243,234,217,0.06);
    border:none;border-bottom:2px solid rgba(243,234,217,0.35);
    border-radius:10px 10px 0 0;
    color:var(--crema);font-family:'Work Sans',sans-serif;font-size:15px;
    padding:13px 14px;
  }
  input::placeholder,textarea::placeholder{color:rgba(243,234,217,0.5);}
  input:focus,textarea:focus{outline:none;border-bottom-color:var(--verde);}
  textarea{resize:vertical;min-height:90px;}
  form .btn{align-self:flex-start;margin-top:6px;}

  footer{background:var(--cafe-2);color:rgba(243,234,217,0.6);padding:26px 0;font-size:13px;}
  .footer-social{display:flex;gap:18px;align-items:center;}
  .footer-social a{display:flex;align-items:center;justify-content:center;transition:transform 0.2s ease;}
  .footer-social a:hover{transform:translateY(-2px);}
  .footer-social svg{width:19px;height:19px;stroke:var(--verde);}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;}

  @media(max-width:860px){
    .hero .wrap,.sobre .wrap,.contacto .wrap{grid-template-columns:1fr;}
    .hero h1{font-size:50px;}
    .lab-grid,.plan-grid{grid-template-columns:1fr;}
    nav .links{display:none;}
  }

  /* ===== CHAT WIDGET ===== */
  .chat-fab{
    position:fixed;bottom:26px;right:26px;z-index:200;
    width:62px;height:62px;
    background:var(--cafe);
    border-radius:44% 56% 52% 48% / 52% 44% 56% 48%;
    display:flex;align-items:center;justify-content:center;
    border:none;cursor:pointer;
    box-shadow:0 8px 22px rgba(43,22,8,0.35);
    transition:transform 0.25s ease, background 0.25s ease;
  }
  .chat-fab:hover{transform:translateY(-3px) rotate(-4deg);background:var(--cafe-2);}
  .chat-fab svg{width:26px;height:26px;stroke:var(--verde);}
  .chat-fab .close-ic{display:none;}
  .chat-fab.open .chat-ic{display:none;}
  .chat-fab.open .close-ic{display:block;}
  .chat-dot{
    position:absolute;top:6px;right:6px;width:12px;height:12px;
    background:var(--verde);border:2px solid var(--cafe);border-radius:50%;
  }

  .chat-panel{
    position:fixed;bottom:100px;right:26px;z-index:199;
    width:340px;max-width:calc(100vw - 40px);
    background:var(--crema);
    border-radius:28px 28px 8px 28px;
    box-shadow:0 20px 50px rgba(43,22,8,0.28);
    overflow:hidden;
    opacity:0;transform:translateY(16px) scale(0.97);
    pointer-events:none;
    transition:opacity 0.25s ease, transform 0.25s ease;
  }
  .chat-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}

  .chat-head{
    background:var(--cafe);color:var(--crema);
    padding:16px 18px;display:flex;align-items:center;gap:12px;
  }
  .chat-head img{width:34px;height:auto;}
  .chat-head .info p:first-child{font-family:'Anton',sans-serif;font-size:14px;letter-spacing:0.4px;}
  .chat-head .info p:last-child{font-size:12px;color:var(--verde);display:flex;align-items:center;gap:6px;}
  .status-dot{width:7px;height:7px;border-radius:50%;background:var(--verde);display:inline-block;}

  .chat-body{
    padding:18px;display:flex;flex-direction:column;gap:10px;
    max-height:340px;overflow-y:auto;background:var(--off);
  }
  .msg{max-width:82%;padding:11px 14px;font-size:13.5px;font-weight:500;line-height:1.45;}
  .msg.bot{
    align-self:flex-start;background:var(--crema);color:var(--cafe);
    border-radius:4px 16px 16px 16px;border:1px solid rgba(63,34,12,0.12);
  }
  .msg.user{
    align-self:flex-end;background:var(--verde);color:var(--cafe-2);
    border-radius:16px 4px 16px 16px;
  }
  .quick-replies{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
  .chip{
    font-size:12.5px;font-weight:600;padding:8px 14px;
    border:1.5px solid var(--cafe);border-radius:20px 6px 20px 6px;
    background:transparent;color:var(--cafe);cursor:pointer;
    transition:background 0.2s ease, color 0.2s ease;
  }
  .chip:hover{background:var(--cafe);color:var(--crema);}

  .chat-input{
    display:flex;align-items:center;gap:10px;
    padding:14px 16px;background:var(--crema);
    border-top:1px solid rgba(63,34,12,0.12);
  }
  .chat-input input{
    flex:1;border:none;background:var(--off);
    border-radius:20px;padding:11px 16px;font-size:13.5px;
    font-family:'Work Sans',sans-serif;color:var(--cafe);
  }
  .chat-input input:focus{outline:2px solid var(--verde);}
  .chat-send{
    width:38px;height:38px;border-radius:50%;border:none;
    background:var(--cafe);color:var(--verde);cursor:pointer;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    transition:background 0.2s ease;
  }
  .chat-send:hover{background:var(--cafe-2);}
  .chat-send svg{width:16px;height:16px;}

  @media(max-width:480px){
    .chat-panel{right:16px;bottom:92px;width:calc(100vw - 32px);}
    .chat-fab{right:16px;bottom:18px;}
  }

  /* ===== TRABAJOS (formato destacado + grilla filtrable) ===== */
  .trabajos{padding:110px 0 100px;background:var(--crema);}
  .trabajos .eyebrow{margin-bottom:14px;}
  .trabajos h2{font-size:50px;margin-bottom:16px;}
  .trabajos-sub{font-size:16px;max-width:540px;margin-bottom:16px;font-weight:500;color:var(--cafe-2);}
  .trabajos-note{
    display:inline-block;font-size:12.5px;font-weight:600;color:var(--cafe-2);
    background:var(--off);border-radius:16px 4px 16px 4px;padding:8px 14px;margin-bottom:60px;
  }

  .feature-work{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;margin-bottom:64px;}
  .feature-work.reverse{grid-template-columns:1fr 1.05fr;}
  .feature-work.reverse .feature-visual{order:2;}
  .feature-visual{
    height:340px;border-radius:44px 14px 40px 16px;
    display:flex;align-items:center;justify-content:center;
    transition:transform 0.3s ease;
  }
  .feature-work:hover .feature-visual{transform:translateY(-5px);}
  .feature-visual .mark{width:80px;height:80px;opacity:0.9;}
  .feature-eyebrow{font-size:13px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--cafe-2);opacity:0.75;margin-bottom:10px;}
  .feature-title{font-family:'Anton',sans-serif;font-size:38px;text-transform:uppercase;margin-bottom:16px;}
  .feature-desc{font-size:15.5px;color:var(--cafe-2);max-width:440px;margin-bottom:20px;line-height:1.6;}
  .feature-tags{font-size:12.5px;font-weight:600;letter-spacing:0.5px;color:var(--cafe-2);opacity:0.65;padding-top:16px;border-top:1px solid rgba(63,34,12,0.15);margin-bottom:18px;}
  .feature-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--cafe);}
  .feature-link span{transition:transform 0.2s ease;}
  .feature-link:hover span{transform:translateX(4px);}

  .filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 56px;}
  .tab-btn{
    font-family:'Work Sans',sans-serif;font-weight:600;font-size:13.5px;
    padding:10px 20px;border-radius:20px 6px 20px 6px;
    border:2px solid var(--cafe);background:transparent;color:var(--cafe);
    cursor:pointer;transition:background 0.2s ease,color 0.2s ease;
  }
  .tab-btn.active,.tab-btn:hover{background:var(--cafe);color:var(--crema);}

  .featured-works{transition:opacity 0.4s ease;}
  .featured-works.fade-out{opacity:0;}

  @media(max-width:860px){
    .feature-work,.feature-work.reverse{grid-template-columns:1fr;}
    .feature-work.reverse .feature-visual{order:0;}
  }