:root{
    --bg: #0B0B0B;
    --bg-raised: #121212;
    --text: #F5F5F5;
    --accent: #E53935;
    --accent-dim: #B92E2A;
    --gray: #9E9E9E;
    --line: #232323;
    --font-display: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    --max: 1120px;
  }

  *{ box-sizing:border-box; margin:0; padding:0; }

  html{ scroll-behavior:smooth; }

  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  a{ color:inherit; text-decoration:none; }
  ul{ list-style:none; }
  img{ max-width:100%; display:block; }

  ::selection{ background:var(--accent); color:#fff; }

  :focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

  .wrap{
    max-width:var(--max);
    margin:0 auto;
    padding:0 32px;
  }

  section{
    padding:140px 0;
    border-bottom:1px solid var(--line);
  }

  h1,h2,h3{ font-family:var(--font-display); font-weight:700; letter-spacing:-0.02em; }

  .eyebrow{
    font-family:var(--font-body);
    font-size:13px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--accent);
    font-weight:600;
    margin-bottom:20px;
    display:inline-block;
  }

  /* reveal-on-scroll */
  .reveal{
    opacity:0;
    transform:translateY(24px);
    transition:opacity .8s ease, transform .8s ease;
  }
  .reveal.is-visible{ opacity:1; transform:translateY(0); }

  @media (prefers-reduced-motion: reduce){
    .reveal{ opacity:1; transform:none; transition:none; }
    html{ scroll-behavior:auto; }
  }

  /* ---------- HEADER ---------- */
  header{
    position:fixed;
    top:0; left:0; right:0;
    z-index:100;
    background:rgba(11,11,11,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    max-width:var(--max);
    margin:0 auto;
    padding:20px 32px;
    display:flex;
    align-items:center;
    justify-content:space-between;
  }
  .nav-name{
    font-family:var(--font-display);
    font-weight:700;
    font-size:17px;
    letter-spacing:-0.01em;
  }
  .nav-links{
    display:flex;
    gap:36px;
    font-size:14px;
    color:var(--gray);
  }
  .nav-links a{ transition:color .2s ease; }
  .nav-links a:hover{ color:var(--text); }
  .nav-cta{
    border:1px solid var(--line);
    padding:9px 20px;
    border-radius:999px;
    font-size:14px;
    transition:border-color .25s ease, color .25s ease;
  }
  .nav-cta:hover{ border-color:var(--accent); color:var(--accent); }
  .nav-toggle{ display:none; }

  @media (max-width:860px){
    .nav-links{ display:none; }
  }

  /* ---------- HERO ---------- */
  .hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    padding-top:120px;
    border-bottom:1px solid var(--line);
  }
  .hero .wrap{
    display:grid;
    grid-template-columns:1.15fr 0.85fr;
    gap:72px;
    align-items:center;
  }
  .hero-copy h1{
    font-size:clamp(38px, 5.2vw, 64px);
    line-height:1.08;
    margin-bottom:28px;
  }
  .hero-copy p{
    color:var(--gray);
    font-size:18px;
    max-width:46ch;
    margin-bottom:44px;
  }
  .btn-row{ display:flex; gap:16px; flex-wrap:wrap; }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:15px 28px;
    border-radius:8px;
    font-size:15px;
    font-weight:600;
    transition:background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease;
    cursor:pointer;
    border:1px solid transparent;
  }
  .btn-primary{ background:var(--accent); color:#fff; }
  .btn-primary:hover{ background:var(--accent-dim); }
  .btn-secondary{ border-color:var(--line); color:var(--text); }
  .btn-secondary:hover{ border-color:var(--gray); }

  .hero-photo{
    position:relative;
    width:100%;
    aspect-ratio:4/5;
    border:1px solid var(--line);
    background:var(--bg-raised);
    overflow:hidden;
  }
  .hero-photo img{
    width:100%; height:100%;
    object-fit:cover;
    filter:grayscale(12%) contrast(1.03);
  }

  @media (max-width:860px){
    .hero .wrap{ grid-template-columns:1fr; }
    .hero-photo{ max-width:320px; margin:0 auto; order:-1; }
    section{ padding:96px 0; }
  }

  /* ---------- POSICIONAMIENTO ---------- */
  .statement{
    text-align:center;
    padding:180px 0;
  }
  .statement p{
    font-family:var(--font-display);
    font-weight:700;
    font-size:clamp(28px, 4.4vw, 52px);
    line-height:1.25;
    max-width:20ch;
    margin:0 auto;
    letter-spacing:-0.02em;
  }

  /* ---------- PROBLEMAS ---------- */
  .problem-title{
    font-size:clamp(26px,3.4vw,38px);
    max-width:14ch;
    margin-bottom:64px;
  }
  .problem-chain{
    max-width:640px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .problem-step{
    width:100%;
    padding:22px 28px;
    border:1px solid var(--line);
    background:var(--bg-raised);
    border-radius:10px;
    text-align:center;
    font-size:17px;
    color:var(--text);
  }
  .problem-connector{
    width:1px;
    height:36px;
    background:linear-gradient(var(--line), var(--accent));
    margin:4px 0;
  }
  .problem-step:last-child{
    border-color:var(--accent);
    color:var(--accent);
  }

  /* ---------- COMO TRABAJO ---------- */
  .flow{
    display:flex;
    align-items:stretch;
    justify-content:space-between;
    gap:0;
    flex-wrap:wrap;
    margin-top:80px;
  }
  .flow-step{
    flex:1;
    min-width:140px;
    text-align:center;
    position:relative;
    padding:0 12px;
  }
  .flow-num{
    width:52px; height:52px;
    border-radius:50%;
    border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
    margin:0 auto 20px;
    font-family:var(--font-display);
    font-weight:700;
    font-size:15px;
    color:var(--accent);
    background:var(--bg-raised);
    transition:border-color .3s ease, transform .3s ease;
  }
  .flow-step:hover .flow-num{ border-color:var(--accent); transform:translateY(-3px); }
  .flow-label{ font-size:15px; font-weight:600; }
  .flow-line{
    position:absolute;
    top:26px; left:calc(-50% + 26px);
    width:calc(100% - 52px);
    height:1px;
    background:var(--line);
  }
  .flow-step:first-child .flow-line{ display:none; }

  @media (max-width:760px){
    .flow{ flex-direction:column; gap:32px; }
    .flow-line{ display:none; }
  }

  /* ---------- CASOS ---------- */
  .case{
    display:grid;
    grid-template-columns:0.95fr 1.05fr;
    gap:64px;
    padding:64px 0;
    border-top:1px solid var(--line);
  }
  .case:first-of-type{ border-top:none; padding-top:0; }
  .case-media{
    border:1px solid var(--line);
    background:var(--bg-raised);
    border-radius:10px;
    aspect-ratio:16/11;
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--gray);
    font-size:14px;
  }
  .case-client{
    color:var(--gray);
    font-size:14px;
    margin-bottom:8px;
  }
  .case h3{ font-size:26px; margin-bottom:24px; }
  .case dl{ display:grid; grid-template-columns:120px 1fr; row-gap:14px; column-gap:16px; margin-bottom:28px; }
  .case dt{ color:var(--gray); font-size:13px; text-transform:uppercase; letter-spacing:.06em; padding-top:2px; }
  .case dd{ font-size:15px; }
  .case-result{
    font-family:var(--font-display);
    font-size:44px;
    font-weight:800;
    color:var(--accent);
    line-height:1;
  }
  .case-result span{
    display:block;
    font-family:var(--font-body);
    font-size:14px;
    font-weight:500;
    color:var(--gray);
    margin-top:8px;
  }

  @media (max-width:860px){
    .case{ grid-template-columns:1fr; gap:32px; }
    .case dl{ grid-template-columns:100px 1fr; }
  }

  /* ---------- PENSAMIENTO ---------- */
  .think-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:24px;
    margin-top:64px;
  }
  .think-card{
    border:1px solid var(--line);
    background:var(--bg-raised);
    border-radius:10px;
    padding:32px 28px;
    font-family:var(--font-display);
    font-size:19px;
    font-weight:600;
    line-height:1.4;
    transition:transform .25s ease, border-color .25s ease;
  }
  .think-card:hover{ transform:translateY(-4px); border-color:var(--gray); }
  .think-card::before{
    content:'“';
    color:var(--accent);
    font-size:32px;
    display:block;
    margin-bottom:8px;
    font-family:Georgia, serif;
  }

  @media (max-width:760px){
    .think-grid{ grid-template-columns:1fr; }
  }

  /* ---------- HERRAMIENTAS ---------- */
  .tools-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(120px, 1fr));
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    margin-top:56px;
  }
  .tool{
    background:var(--bg);
    padding:36px 12px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
    font-size:13px;
    color:var(--gray);
    transition:background .25s ease, color .25s ease;
  }
  .tool:hover{ background:var(--bg-raised); color:var(--text); }
  .tool svg{ width:26px; height:26px; stroke:currentColor; fill:none; }

  /* ---------- SOBRE MI ---------- */
  .about{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:64px;
    align-items:start;
  }
  .about-eyebrow{ margin-bottom:20px; }
  .about h2{ font-size:clamp(26px,3.2vw,36px); margin-bottom:28px; max-width:16ch; }
  .about p{ color:var(--gray); font-size:16px; margin-bottom:20px; max-width:56ch; }
  .about-path{
    font-size:14px;
    color:var(--text);
    border-top:1px solid var(--line);
    padding-top:20px;
    margin-top:32px;
  }
  .about-path b{ color:var(--accent); font-weight:600; }

  @media (max-width:860px){
    .about{ grid-template-columns:1fr; }
  }

  /* ---------- CTA FINAL ---------- */
  .cta{
    background:var(--accent);
    color:#fff;
    border-bottom:none;
    padding:120px 0;
  }
  .cta-inner{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:64px;
    align-items:center;
  }
  .cta h2{
    font-size:clamp(30px,4vw,46px);
    line-height:1.15;
    margin-bottom:0;
  }
  .cta form{
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .cta input, .cta textarea{
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.35);
    border-radius:8px;
    padding:14px 16px;
    color:#fff;
    font-family:var(--font-body);
    font-size:15px;
  }
  .cta input::placeholder, .cta textarea::placeholder{ color:rgba(255,255,255,0.65); }
  .cta textarea{ resize:vertical; min-height:96px; }
  .cta-btn-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:6px; }
  .cta .btn-white{
    background:#fff; color:var(--accent);
    padding:14px 24px; border-radius:8px; font-weight:700; font-size:15px;
    transition:opacity .2s ease;
  }
  .cta .btn-white:hover{ opacity:.9; }
  .cta .btn-outline{
    border:1px solid rgba(255,255,255,0.6);
    color:#fff;
    padding:14px 24px; border-radius:8px; font-weight:600; font-size:15px;
    transition:background .2s ease;
  }
  .cta .btn-outline:hover{ background:rgba(255,255,255,0.12); }

  @media (max-width:860px){
    .cta-inner{ grid-template-columns:1fr; }
  }

  /* ---------- FOOTER ---------- */
  footer{ padding:48px 0; }
  .footer-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:20px;
  }
  .footer-links{ display:flex; gap:28px; font-size:14px; color:var(--gray); }
  .footer-links a{ transition:color .2s ease; }
  .footer-links a:hover{ color:var(--text); }
  .footer-copy{ font-size:13px; color:var(--gray); }