:root{
    --navy:#0c1f30;
    --navy-2:#0f2a3f;
    --teal:#3f7f92;
    --teal-light:#5b9cae;
    --paper:#f4f2ee;
    --paper-2:#eceae4;
    --ink:#c;
    --line:#d8d5cc;
    --white:#ffffff;
    --serif: "Source Serif Pro", "Georgia", serif;
    --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
    --gato: #000000;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--sans);
    color:var(--ink);
    background:var(--paper);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  .container{max-width:1200px; margin:0 auto; padding:0 40px;}
  .eyebrow{
    font-size:11px;
    letter-spacing:.14em;
    text-transform:uppercase;
    font-weight:600;
    color:var(--teal-light);
    display:flex;
    align-items:center;
    gap:8px;
  }
  .eyebrow::before{content:""; width:22px; height:1px; background:var(--teal-light); display:inline-block;}
  h1,h2,h3,h4{font-family:var(--serif); font-weight:400; line-height:1.1;}
  .accent{color:var(--teal);}
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 26px;
    font-size:13px; letter-spacing:.08em; text-transform:uppercase; font-weight:600;
    border:1px solid var(--teal-light);
    color:var(--white);
    transition:background .25s ease, color .25s ease;
    white-space:nowrap;
  }
  .btn svg{transition:transform .25s ease;}
  .btn:hover{background:var(--teal-light); color:var(--navy);}
  .btn:hover svg{transform:translateX(4px);}
  .btn.dark{color:var(--navy); border-color:var(--navy);}
  .btn.dark:hover{background:var(--navy); color:var(--white);}

  /* HEADER */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(0,0,0,.92);
    backdrop-filter:blur(6px);
  }
  .nav-row{
    display:flex; align-items:center; justify-content:space-between;
    padding:20px 40px;
    max-width:1200px; margin:0 auto;
  }
  .logo{
    font-family:var(--serif);
    color:var(--white);
    font-size:20px;
    letter-spacing:.06em;
  }
  .logo small{
    display:block;
    font-family:var(--sans);
    font-size:9px;
    letter-spacing:.28em;
    color:var(--teal-light);
    margin-top:2px;
  }
  nav ul{display:flex; gap:34px;}
  nav a{
    font-size:12px; letter-spacing:.08em; text-transform:uppercase;
    color:#cfd8dd; font-weight:600;
    position:relative;
  }
  nav a::after{
    content:""; position:absolute; left:0; bottom:-6px; width:0; height:1px;
    background:var(--teal-light); transition:width .25s ease;
  }
  nav a:hover::after{width:100%;}
  .nav-cta{
    padding:10px 20px; border:1px solid var(--teal-light); font-size:11px;
    letter-spacing:.1em; text-transform:uppercase; color:var(--white); display:flex; align-items:center; gap:8px;
  }
  .menu-toggle{display:none; background:none; border:none; color:var(--white); font-size:24px; cursor:pointer;}

  /* HERO */
  .hero{
    background:var(--gato);
    padding:110px 0 0;
    position:relative;
    overflow:hidden;
  }
  .hero .container.hero-row{
    display:grid;
    grid-template-columns:1.1fr .6fr 1fr;
    gap:30px;
    position:relative;
    z-index:1;
  }
  .hero-logo-block{
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .hero-logo-block img{
    width:270px;
    max-width:none;
    transform:rotate(180deg);
    opacity:.15;
  }
  .hero-copy h1{
    color:var(--white);
    font-size:44px;
    margin-bottom:26px;
  }
  .hero-copy h1 .dot{color:var(--teal-light);}
  .hero-copy p{
    color:#c3cdd3;
    font-size:15px;
    max-width:440px;
    margin-bottom:16px;
  }
  .hero-copy{padding-bottom:40px;}
  .hero-visual{
    position:relative;
    margin-right:calc(-40px - (100vw - min(100vw,1200px)) / 2);
  }
  .hero-visual .photo{
    position:absolute; inset:0;
    background:#1a2f3f url('images/foto imagen primera.jpg.jpeg') right/cover;
    filter:grayscale(1) contrast(1.05);
  }
  .hero-visual::before{
    content:"";
    position:absolute; top:0; right:-10%; width:70%; height:100%;
    background:repeating-linear-gradient(115deg, rgba(63,127,146,.08) 0 2px, transparent 2px 40px);
    z-index:1;
    pointer-events:none;
  }
  .hero-quote{
    position:absolute;
    left:-40px; bottom:0px;
    background:var(--navy);
    color:var(--white);
    padding:74px 34px ;
    max-width:280px;
    font-family:var(--serif);
    font-style:italic;
    font-size:17px;
    line-height:1.4;
    z-index:2;
  }
  .hero-quote::before{
    content:""; display:block; width:34px; height:1px; background:rgba(255,255,255,.6); margin-bottom:14px;
  }

  /* INTRO / 4 STEPS */
  .intro{
    background:var(--paper);
    padding:110px 0 90px;
  }
  .intro-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    margin-bottom:70px;
    position:relative;
  }
  .intro-grid::before{
    content:"";
    position:absolute;
    top:0; bottom:0; left:50%;
    width:1px;
    background:var(--teal);
    transform:translateX(-50%);
  }
  .intro-grid h2{font-size:32px; margin-top:14px;}
  .intro-right p{font-size:14.5px; color:#3d3d3d; margin-bottom:14px;}
  .intro-right strong{font-weight:700;}
  .steps{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
  }
  .steps > div{padding:0 30px;}
  .steps > div:first-child{padding-left:0;}
  .steps > div:not(:first-child){padding-left:16px;}
  .steps > div:not(:first-child){border-left:1px solid var(--teal);}
  .step-icon{
    width:110px; height:110px;
    display:flex; align-items:center; justify-content:flex-start;
    margin-bottom:4px;
  }
  .step-icon img{width:64px; height:64px; object-fit:contain;}
  .steps h4{font-family:var(--sans); font-weight:700; font-size:16px; margin-bottom:8px; color:var(--navy);}
  .steps p{font-size:13px; color:#5b5b5b;}

  /* DARK PANEL */
  .panel{
    background:var(--navy);
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .panel-photo{
    background:#1a2f3f url('images/photo-1497215728101-856f4ea42174.jpeg') center/cover;
    filter:grayscale(1) contrast(1.05);
    margin:60px 30px 60px 60px;
    aspect-ratio:4/3;
    align-self:center;
  }
  .panel-copy{
    padding:80px 60px 80px 30px;
    color:var(--white);
  }
  .panel-copy .eyebrow{color:var(--teal-light);}
  .panel-copy .eyebrow::before{display:none;}
  .panel-copy h2{font-size:30px; margin:16px 0 24px; max-width:420px;}
  .panel-copy p{font-size:14.5px; color:#c3cdd3; margin-bottom:14px; max-width:460px;}
  .panel-quote{
    margin-top:28px;
    display:flex;
    align-items:center;
    gap:14px;
    border-left:1px solid var(--teal);
    padding-left:22px;
    font-family:var(--serif);
    font-style:italic;
    color:var(--white);
    font-size:16px;
    line-height:1.5;
  }
  .panel-quote::before{
    content:"\201C";
    flex-shrink:0;
    font-family:var(--serif);
    font-style:normal;
    font-size:38px;
    line-height:1;
    color:var(--teal-light);
  }

  /* SERVICES */
  .services-label{
    padding:60px 40px 0;
    max-width:1200px; margin:0 auto;
  }
  .services{
    display:grid;
    grid-template-columns:1fr 1fr;
    grid-template-rows:repeat(2,minmax(340px,1fr));
    gap:5px;
  }
  .service-cell{
    padding:16px 55px;
    position:relative;
  }
  .service-cell h3{font-size:34px; margin-bottom:20px;}
  .service-cell p{font-size:14px; margin-bottom:20px; max-width:420px;}
  .service-cell ul li{font-size:13.5px; line-height:1.2; margin-bottom:5px; padding-left:16px; position:relative;}
  .service-cell ul li::before{content:"•"; position:absolute; left:0; opacity:.6;}

  .service-cell.c1,
  .service-cell.c2,
  .service-cell.c3,
  .service-cell.c4{
    background-image:var(--tint), url('images/foto al pie (para oficina).jpg.jpeg');
    background-size:200% 200%, 200% 200%;
    background-repeat:no-repeat;
  }
  .service-cell.c1{
    --tint:linear-gradient(rgba(15,51,68,.82),rgba(15,51,68,.82));
    background-position:0% 0%, 0% 0%;
    color:var(--white);
  }
  .service-cell.c1 h3{color:var(--white);}
  .service-cell.c2{
    --tint:linear-gradient(rgba(255,255,255,.8),rgba(255,255,255,.8));
    background-position:100% 0%, 100% 0%;
    color:var(--navy);
  }
  .service-cell.c2 h3{color:var(--teal);}
  .service-cell.c3{
    --tint:linear-gradient(rgba(15,51,68,.82),rgba(15,51,68,.82));
    background-position:0% 100%, 0% 100%;
    color:var(--white);
  }
  .service-cell.c3 h3{color:var(--teal-light);}
  .service-cell.c4{
    --tint:linear-gradient(rgba(83, 73, 73, 0.8),rgba(83, 73, 73, 0.8));
    background-position:100% 100%, 100% 100%;
    color:var(--white);
  }
  .service-cell.c4 h3{color:var(--white);}

  /* PROCESS STRIP */
  .process{
    background:var(--paper);
    padding:60px 0;
    border-bottom:1px solid var(--line);
  }
  .process-row{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:56px;
  }
  .process-item{display:flex; gap:16px; align-items:flex-start; position:relative;}
  .process-num{
    font-family:var(--serif);
    font-size:22px;
    color:#000;
    border:1px solid #000;
    border-radius:50%;
    width:38px; height:38px;
    flex:none;
    display:flex; align-items:center; justify-content:center;
  }
  .process-item h4{font-family:var(--sans); font-weight:700; font-size:14.5px; color:var(--navy); margin-bottom:4px;}
  .process-item p{font-size:12.5px; color:#5b5b5b;}
  .material-symbols-outlined{
    font-family:'Material Symbols Outlined';
    font-weight:normal;
    font-style:normal;
    line-height:1;
    display:inline-block;
    white-space:nowrap;
    -webkit-font-smoothing:antialiased;
  }
  .process-arrow{
    position:absolute; right:-43px; top:4px;
    font-size:29px;
    color:#000;
    opacity:.85;
  }

  /* ABOUT / STATS */
  .about{
    background:var(--gato);
    display:grid;
    grid-template-columns:.9fr 1.1fr .8fr;
  }
  .about-photo{
    background:#0a1620 url('images/photo-1486406146926-c627a92ad1ab.jpeg') center/cover;
    filter:grayscale(1) contrast(1.1);
    aspect-ratio:1/1;
    align-self:center;
  }
  .about-copy{padding:24px 40px; color:var(--white); border-left:1px solid rgba(255,255,255,.15);}
  .about-copy .eyebrow{color:var(--teal-light);}
  .about-copy h2{font-size:16px; line-height:1.3; margin:10px 0 12px;}
  .about-copy p{font-size:12px; line-height:1.45; color:#c3cdd3; margin-bottom:8px;}
  .about-stats{
    padding:16px 20px;
    display:flex;
    align-items:center;
    border-left:1px solid rgba(255,255,255,.15);
  }
  .stats{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:1px;
    width:100%;
    background:rgba(255,255,255,.15);
  }
  .stat{
    background:var(--gato);
    padding:14px 16px;
  }
  .stat b{font-family:var(--serif); font-size:22px; color:var(--teal-light); display:block;}
  .stat span{font-size:10px; letter-spacing:.05em; text-transform:uppercase; color:#9fb0b8;}

  /* CONTACT */
  .contact{
    background:var(--paper-2);
    padding:100px 0 110px;
  }
  .contact-grid{
    display:grid;
    grid-template-columns:.9fr 1.4fr;
    gap:70px;
  }
  .contact-copy h2{font-size:34px; margin:16px 0 18px;}
  .contact-copy p{font-size:14.5px; color:#4a4a4a; max-width:360px;}
  form{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  .field{grid-column:span 1; display:flex; flex-direction:column;}
  .field.full{grid-column:1 / -1;}
  .field-group{
    grid-column:span 1;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
  }
  .field-group .field{flex:none;}
  label{font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:#6b6b6b; margin-bottom:6px;}
  input, textarea{
    border:1px solid var(--line);
    background:var(--white);
    padding:13px 14px;
    font-size:14px;
    font-family:var(--sans);
    color:var(--ink);
  }
  input:focus, textarea:focus{outline:2px solid var(--teal); outline-offset:1px;}
  textarea{resize:vertical; min-height:110px; flex:1;}
  .submit-btn{
    background:var(--navy);
    color:var(--white);
    border:1px solid var(--navy);
    padding:15px 30px;
    font-size:13px; letter-spacing:.08em; text-transform:uppercase; font-weight:600;
    display:inline-flex; align-items:center; gap:10px;
    cursor:pointer;
  }
  .submit-btn:hover{background:var(--teal);}
  .form-msg{grid-column:1/-1; font-size:13px; color:var(--teal); display:none;}

  footer{
    background:var(--navy);
    color:#8fa0a8;
    padding:26px 0;
    font-size:12px;
    text-align:center;
  }

  /* RESPONSIVE */
  @media (max-width:980px){
    .hero .container.hero-row{
      grid-template-columns:1fr;
      grid-template-rows:auto auto;
      padding-top:0;
    }
    .hero-copy{grid-column:1; grid-row:1; position:relative; z-index:1;}
    .hero-logo-block{
      grid-column:1; grid-row:1;
      position:relative; z-index:0;
      margin-top:0;
      align-self:center;
      pointer-events:none;
    }
    .hero-logo-block img{width:150px;}
    .hero-visual{grid-column:1; grid-row:2; margin-right:0; height:400px; margin-top:40px;}
    .hero-quote{left:0; bottom:-30px;}
    .intro-grid{grid-template-columns:1fr; gap:30px;}
    .intro-grid::before{display:none;}
    .steps{grid-template-columns:1fr 1fr; gap:30px;}
    .steps > div{padding:0;}
    .steps > div:not(:first-child){border-left:none;}
    .panel, .services, .about{grid-template-columns:1fr;}
    .service-cell.c1, .service-cell.c2, .service-cell.c3, .service-cell.c4{
      background-size:cover, cover;
      background-position:center, center;
    }
    .panel-photo{margin:24px; aspect-ratio:4/3;}
    .about-photo{min-height:280px;}
    .about-copy, .about-stats{border-left:none;}
    .process-row{grid-template-columns:1fr 1fr; gap:32px;}
    .process-arrow{display:none;}
    .contact-grid{grid-template-columns:1fr;}
    form{grid-template-columns:1fr;}
    .field-group{display:contents;}
    .submit-btn{order:10;}
    .form-msg{order:11;}
    nav{display:none;}
    .menu-toggle{display:block;}
    .nav-cta{padding:8px 14px; font-size:10px; gap:6px;}
    .nav-cta svg{width:11px; height:8px;}
  }
  @media (max-width:560px){
    .container{padding:0 22px;}
    .hero{padding-top:100px;}
    .hero-copy h1{font-size:32px;}
    .steps{grid-template-columns:1fr;}
    .service-cell{padding:44px 28px;}
    .about-copy, .panel-copy{padding:50px 28px;}
    .stats{grid-template-columns:1fr;}
    .process-row{grid-template-columns:1fr;}
  }