:root{
    --bg:#eef1f4;
    --surface:#ffffff;
    --surface-2:#e4e9ee;
    --text:#182430;
    --text-dim:#5b6b78;
    --accent:#e2620a;
    --accent-dim:#b84e08;
    --ok:#1f9d63;
    --warn:#b9820a;
    --danger:#c93d3d;
    --border:#d7dde3;
    --radius:2px;
    color-scheme: light;
  }

  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:"Public Sans", system-ui, sans-serif;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;}
  [hidden]{display:none!important;}

  .wrap{
    max-width:1080px;
    margin:0 auto;
    padding-inline:24px;
  }

  h1,h2,h3{
    font-family:"Big Shoulders Display", sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    text-wrap:balance;
    margin:0;
  }

  .eyebrow{
    font-family:"IBM Plex Mono", monospace;
    font-size:0.75rem;
    letter-spacing:0.12em;
    text-transform:uppercase;
    color:var(--accent);
    display:flex;
    align-items:center;
    gap:8px;
  }
  .eyebrow::before{
    content:"";
    width:8px;height:8px;
    background:var(--accent);
    display:inline-block;
  }

  /* ---------- header ---------- */
  header{
    position:sticky;
    top:env(safe-area-inset-top, 0px);
    z-index:20;
    background:rgba(238,241,244,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--border);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-block:16px;
    gap:16px;
    flex-wrap:wrap;
  }
  .brand{
    font-family:"Big Shoulders Display", sans-serif;
    font-weight:800;
    font-size:1.3rem;
    letter-spacing:0.02em;
    text-transform:uppercase;
    text-decoration:none;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .brand .dot{width:10px;height:10px;background:var(--ok);flex:none;}
  .brand-logo{width:32px;height:32px;border-radius:50%;flex:none;}
  .navlinks{
    display:flex;
    gap:28px;
    list-style:none;
    margin:0;padding:0;
    font-size:0.92rem;
    font-weight:600;
  }
  .navlinks a{text-decoration:none;color:var(--text-dim);transition:color .15s;}
  .navlinks a:hover{color:var(--text);}
  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--accent);
    color:#141414;
    font-weight:700;
    font-size:0.9rem;
    padding:10px 18px;
    border:none;
    border-radius:var(--radius);
    text-decoration:none;
    cursor:pointer;
    transition:background .15s;
    white-space:nowrap;
  }
  .btn:hover{background:var(--accent-dim);}
  .btn.ghost{
    background:transparent;
    color:var(--text);
    border:1px solid var(--border);
  }
  .btn.ghost:hover{border-color:var(--accent);color:var(--accent);}

  /* ---------- hero ---------- */
  .hero{
    padding-block:72px 56px;
    border-bottom:1px solid var(--border);
    background:
      linear-gradient(180deg, rgba(226,98,10,0.08), transparent 60%);
  }
  .hero h1{
    font-size:clamp(2.4rem, 6vw, 4.4rem);
    line-height:0.98;
    margin-block:18px 22px;
  }
  .hero h1 span{color:var(--accent);}
  .hero p.lead{
    max-width:640px;
    font-size:1.1rem;
    color:var(--text-dim);
    margin-bottom:32px;
  }
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

  .rail{
    display:flex;
    gap:32px;
    margin-top:56px;
    flex-wrap:wrap;
    border-top:1px solid var(--border);
    padding-top:28px;
  }
  .rail-item{
    font-family:"IBM Plex Mono", monospace;
    font-size:0.8rem;
    color:var(--text-dim);
  }
  .rail-item b{
    display:block;
    font-family:"Big Shoulders Display", sans-serif;
    font-size:1.6rem;
    color:var(--text);
    text-transform:none;
  }

  /* ---------- generic section ---------- */
  section{padding-block:64px;border-bottom:1px solid var(--border);}
  .section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:24px;
    margin-bottom:36px;
    flex-wrap:wrap;
  }
  .section-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem);}
  .section-head p{color:var(--text-dim);max-width:460px;margin:8px 0 0;}

  /* ---------- about / differentiator ---------- */
  .about-grid{
    display:grid;
    grid-template-columns: 1.1fr 1fr;
    gap:40px;
    align-items:start;
  }
  .about-grid p{color:var(--text-dim);}
  .facts{
    display:grid;
    gap:1px;
    background:var(--border);
    border:1px solid var(--border);
  }
  .fact{
    background:var(--surface);
    padding:16px 18px;
    display:flex;
    justify-content:space-between;
    gap:12px;
    font-size:0.92rem;
  }
  .fact span:first-child{color:var(--text-dim);}
  .fact span:last-child{
    font-family:"IBM Plex Mono", monospace;
    color:var(--accent);
    text-align:right;
  }

  /* ---------- cards ---------- */
  .grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
    gap:20px;
  }
  .card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:20px;
    display:flex;
    flex-direction:column;
    gap:12px;
    text-decoration:none;
    transition:border-color .15s;
  }
  a.card:hover{border-color:var(--accent);}
  .card-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .tag{
    font-family:"IBM Plex Mono", monospace;
    font-size:0.72rem;
    color:var(--text-dim);
    border:1px solid var(--border);
    padding:3px 8px;
    letter-spacing:0.05em;
  }
  .status{
    display:flex;
    align-items:center;
    gap:6px;
    font-family:"IBM Plex Mono", monospace;
    font-size:0.72rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
  }
  .status .led{width:7px;height:7px;border-radius:50%;flex:none;}
  .status.publicado .led{background:var(--ok);box-shadow:0 0 6px var(--ok);}
  .status.publicado{color:var(--ok);}
  .status.produccion .led{background:var(--warn);box-shadow:0 0 6px var(--warn);}
  .status.produccion{color:var(--warn);}

  .card h3{
    font-size:1.2rem;
    text-transform:none;
    letter-spacing:0;
    line-height:1.25;
  }
  .card p{color:var(--text-dim);font-size:0.92rem;margin:0;}
  .video-frame{
    aspect-ratio:16/9;
    background:#0c0f12;
    border:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
  }
  .video-frame iframe,
  .video-frame img,
  .post-image{width:100%;height:100%;border:0;object-fit:cover;display:block;}
  .post-image{aspect-ratio:16/9;border:1px solid var(--border);}
  .video-frame.placeholder{
    color:var(--text-dim);
    font-family:"IBM Plex Mono", monospace;
    font-size:0.8rem;
    text-align:center;
    padding:20px;
    background:
      repeating-linear-gradient(135deg, var(--surface-2) 0 10px, var(--surface) 10px 20px);
  }

  .empty{
    border:1px dashed var(--border);
    padding:36px 24px;
    text-align:center;
    color:var(--text-dim);
    font-size:0.95rem;
  }

  .post{cursor:pointer;}
  .post-body{
    color:var(--text-dim);
    font-size:0.92rem;
    border-top:1px solid var(--border);
    padding-top:12px;
    margin-top:4px;
  }
  .post-body p{color:var(--text-dim);}

  /* ---------- tutoring cta ---------- */
  .cta{
    background:var(--surface);
    border:1px solid var(--border);
    padding:48px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:32px;
    flex-wrap:wrap;
    position:relative;
    overflow:hidden;
  }
  .cta::before{
    content:"";
    position:absolute;
    inset:0 auto 0 0;
    width:6px;
    background:var(--accent);
  }
  .cta h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:10px;}
  .cta p{color:var(--text-dim);max-width:480px;margin:0;}

  /* ---------- contact form ---------- */
  .contact-form{
    max-width:560px;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .form-row{
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  .form-row label{
    font-family:"IBM Plex Mono", monospace;
    font-size:0.75rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
    color:var(--text-dim);
  }
  .form-row input,
  .form-row select,
  .form-row textarea{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    color:var(--text);
    font-family:"Public Sans", sans-serif;
    font-size:0.95rem;
    padding:12px 14px;
    resize:vertical;
  }
  .form-row input:focus,
  .form-row select:focus,
  .form-row textarea:focus{
    outline:2px solid var(--accent);
    outline-offset:1px;
  }
  .contact-form .btn{
    align-self:flex-start;
    border:none;
  }
  .contact-form .btn:disabled{opacity:0.6;cursor:default;}
  .hp{
    position:absolute;
    left:-9999px;
    width:1px;height:1px;
    opacity:0;
  }
  .form-result{
    font-size:0.9rem;
    font-family:"IBM Plex Mono", monospace;
  }
  .form-result.ok{color:var(--ok);}
  .form-result.error{color:var(--danger);}

  /* ---------- footer ---------- */
  footer{padding-block:40px;}
  .foot-row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
    color:var(--text-dim);
    font-size:0.85rem;
  }
  .foot-links{display:flex;gap:20px;}
  .foot-links a{text-decoration:none;color:var(--text-dim);}
  .foot-links a:hover{color:var(--accent);}

  @media (max-width:760px){
    .about-grid{grid-template-columns:1fr;}
    .cta{padding:28px;}
  }

/* ---------- páginas simples (aviso legal, etc.) ---------- */
.legal{max-width:760px;margin:0 auto;padding-block:56px;}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:8px;}
.legal .updated{color:var(--text-dim);font-size:0.85rem;font-family:"IBM Plex Mono",monospace;margin-bottom:32px;}
.legal h2{font-size:1.2rem;text-transform:none;letter-spacing:0;margin-top:36px;margin-bottom:10px;}
.legal p, .legal li{color:var(--text-dim);}
.legal ul{padding-left:20px;}
.back-link{display:inline-block;margin-bottom:24px;font-family:"IBM Plex Mono",monospace;font-size:0.85rem;text-decoration:none;color:var(--text-dim);}
.back-link:hover{color:var(--accent);}
.mini-header{padding-block:20px;border-bottom:1px solid var(--border);}

/* ---------- contenido de un artículo de blog ---------- */
.legal article{margin-top:28px;}
.legal article h2{font-size:1.25rem;text-transform:none;letter-spacing:0;margin-top:32px;margin-bottom:10px;color:var(--text);}
.legal article strong{color:var(--text);}
.legal article a{color:var(--accent);text-decoration:underline;}
.legal article img{margin-block:20px;border:1px solid var(--border);border-radius:var(--radius);}
.legal article ul{padding-left:20px;}