:root{
  --bg:#fbfaf7;
  --black:#111111;
  --soft:#f1eee8;
  --text:#1b1715;
  --muted:#756d66;
  --red:#e30620;
  --red2:#ff3347;
  --line:rgba(17,17,17,.11);
  --shadow:0 24px 70px rgba(17,17,17,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  overflow-x:hidden;
}

a{text-decoration:none;color:inherit}

.matrix-bg{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
  opacity:1;
}

.matrix-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 72% 20%, rgba(227,6,32,.14), transparent 32%),
    linear-gradient(180deg, rgba(251,250,247,.35), rgba(251,250,247,.75));
}

.matrix-bg i{
  position:absolute;
  top:-55vh;
  left:var(--x);
  font-style:normal;
  animation:matrix-fall var(--t) linear infinite;
  animation-delay:var(--d);
  will-change:transform;
}

.matrix-bg i::before{
  content:attr(data-text) " " attr(data-text) " " attr(data-text) " " attr(data-text);
  display:block;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  white-space:nowrap;
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:15px;
  line-height:1;
  letter-spacing:2px;
  color:rgba(227,6,32,.18);
  text-shadow:0 0 12px rgba(227,6,32,.18);
}

@keyframes matrix-fall{
  from{transform:translateY(-20vh)}
  to{transform:translateY(180vh)}
}


to{background-position:0 100%; transform:rotate(90deg) translateX(12%)}
}


.speed-line{
  position:fixed;
  height:2px;
  width:40vw;
  background:linear-gradient(90deg, transparent, var(--red), transparent);
  opacity:.30;
  z-index:0;
  pointer-events:none;
  animation:slide 5s linear infinite;
}

.line-a{top:22%;left:-45vw}
.line-b{top:72%;left:-60vw;animation-delay:1.8s}

@keyframes slide{
  to{transform:translateX(150vw)}
}

.pulse{
  position:fixed;
  width:520px;
  height:520px;
  border-radius:50%;
  right:-220px;
  top:120px;
  background:radial-gradient(circle, rgba(227,6,32,.22), transparent 62%);
  filter:blur(8px);
  animation:pulse 4s ease-in-out infinite alternate;
  pointer-events:none;
  z-index:0;
}

@keyframes pulse{
  from{transform:scale(.9);opacity:.5}
  to{transform:scale(1.15);opacity:1}
}

.topbar{
  position:sticky;
  top:0;
  z-index:10;
  height:78px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 clamp(20px,5vw,78px);
  background:rgba(251,250,247,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:950;
  letter-spacing:-.5px;
}

.brand span{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:var(--red);
  color:white;
}

nav{
  display:flex;
  gap:24px;
  align-items:center;
  color:var(--muted);
  font-weight:800;
}

nav a:hover{color:var(--red)}
.nav-btn{
  background:var(--black);
  color:#fff;
  padding:11px 16px;
  border-radius:999px;
}

main, header, footer{position:relative;z-index:1}

.hero{
  min-height:calc(100vh - 78px);
  display:grid;
  grid-template-columns:1.15fr .85fr;
  align-items:center;
  gap:46px;
  padding:70px clamp(20px,6vw,96px);
}

.tag{
  display:inline-flex;
  color:var(--red);
  font-weight:950;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:12px;
  margin:0 0 16px;
}

.hero-eyebrow{
  font-size:clamp(28px,4vw,58px);
  line-height:.98;
  letter-spacing:-2.7px;
  font-weight:950;
  margin:0 0 12px;
}

h1,h2,h3,p{margin-top:0}

h1{
  font-size:clamp(68px,12vw,168px);
  line-height:.78;
  letter-spacing:-9px;
  margin:0 0 24px;
}

.hero h2{
  font-size:clamp(26px,3.6vw,48px);
  line-height:1.02;
  letter-spacing:-2.3px;
  max-width:860px;
  margin-bottom:20px;
}

.lead{
  color:var(--muted);
  font-size:clamp(18px,2vw,23px);
  line-height:1.48;
  max-width:760px;
  margin-bottom:32px;
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 22px;
  border-radius:999px;
  font-weight:950;
  transition:.2s ease;
}

.btn.primary{
  background:var(--red);
  color:#fff;
  box-shadow:0 18px 44px rgba(227,6,32,.25);
}

.btn.primary:hover{background:#b80017;transform:translateY(-2px)}
.btn.secondary{background:#fff;border:1px solid var(--line)}
.btn.secondary:hover{border-color:rgba(227,6,32,.35);transform:translateY(-2px)}
.btn.big{font-size:18px;padding:18px 28px}

.fast-card{
  background:#111;
  color:#fff;
  border-radius:38px;
  padding:18px;
  box-shadow:var(--shadow);
  transform:rotate(1.5deg);
}

.fast-top{
  display:flex;
  gap:8px;
  padding:8px 8px 16px;
}

.fast-top span{
  width:12px;
  height:12px;
  border-radius:50%;
  background:rgba(255,255,255,.32);
}

.fast-body{
  background:#fff;
  color:#111;
  border-radius:28px;
  padding:18px;
  display:grid;
  gap:12px;
}

.task{
  display:grid;
  grid-template-columns:46px 1fr auto;
  align-items:center;
  gap:12px;
  background:var(--soft);
  border-radius:20px;
  padding:14px;
}

.task b{
  width:38px;
  height:38px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:#111;
  color:#fff;
}

.task.active b{background:var(--red)}
.task p{margin:0;font-weight:950;line-height:1.15}
.task em{font-style:normal;color:var(--muted);font-weight:850}

.result{
  margin-top:6px;
  border-radius:24px;
  padding:22px;
  background:linear-gradient(135deg,var(--red),#111);
  color:#fff;
}

.result small{opacity:.75;font-weight:850}
.result strong{
  display:block;
  margin-top:8px;
  font-size:32px;
  line-height:1;
  letter-spacing:-1.5px;
}

.strip{
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#111;
  color:#fff;
}

.strip-track{
  display:flex;
  width:max-content;
  animation:marquee 18s linear infinite;
}

.strip-item{
  min-width:max-content;
  padding:18px 34px;
  font-size:22px;
  font-weight:950;
}

@keyframes marquee{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

.section{
  padding:86px clamp(20px,6vw,96px);
}

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  border-bottom:1px solid var(--line);
  padding-bottom:24px;
  margin-bottom:24px;
}

.section-head span{
  color:var(--red);
  font-weight:950;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:12px;
}

.section-head h2{
  max-width:880px;
  font-size:clamp(36px,5.5vw,84px);
  line-height:.92;
  letter-spacing:-4px;
  margin:0;
  text-align:right;
}

.process-grid,
.example-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.process-grid article,
.example-grid article,
.solution-list div{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:28px;
  box-shadow:0 10px 36px rgba(17,17,17,.05);
  transition:.2s ease;
}

.process-grid article:hover,
.example-grid article:hover,
.solution-list div:hover{
  transform:translateY(-3px);
  box-shadow:0 18px 44px rgba(17,17,17,.08);
}

.process-grid strong,
.example-grid span{
  color:var(--red);
  font-size:34px;
  font-weight:950;
  letter-spacing:-1px;
}

.process-grid h3,
.solution-list h3,
.example-grid h3{
  font-size:26px;
  letter-spacing:-1px;
  margin:18px 0 12px;
}

.process-grid p,
.solution-list p,
.example-grid p{
  color:var(--muted);
  line-height:1.55;
  font-weight:650;
  margin:0;
}

.solution-list{
  display:grid;
  gap:10px;
}

.solution-list div{
  display:grid;
  grid-template-columns:310px 1fr;
  gap:24px;
  align-items:center;
}

.solution-list h3{margin:0}
.examples{background:#f1eee8}

.example-grid{
  grid-template-columns:repeat(4,1fr);
}

.final{
  margin:50px clamp(20px,6vw,96px) 82px;
  padding:56px;
  border-radius:42px;
  background:linear-gradient(135deg,#111 0%,#2b0509 45%,var(--red) 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}

.final:after{
  content:"";
  position:absolute;
  inset:auto -120px -120px auto;
  width:320px;
  height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
  animation:boom 3s ease-in-out infinite alternate;
}

@keyframes boom{
  to{transform:scale(1.22)}
}

.final p{
  color:rgba(255,255,255,.72);
  font-weight:900;
  margin-bottom:12px;
}

.final h2{
  font-size:clamp(54px,9vw,132px);
  line-height:.88;
  letter-spacing:-7px;
  margin-bottom:28px;
  max-width:980px;
}

.final .btn{position:relative;z-index:1}

footer{
  padding:30px clamp(20px,6vw,96px);
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:18px;
  color:var(--muted);
}

footer strong{color:#111}

@media(max-width:1100px){
  .example-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:900px){
  .topbar{height:70px}
  .hero{
    min-height:auto;
    grid-template-columns:1fr;
    padding:42px 20px 64px;
    gap:34px;
  }

  .tag{margin-bottom:14px}

  .hero-eyebrow{
    font-size:clamp(30px, 9vw, 44px);
    line-height:1;
    letter-spacing:-1.8px;
    margin-bottom:10px;
  }

  h1{
    font-size:clamp(58px, 18vw, 86px);
    line-height:.9;
    letter-spacing:-3px;
    margin-bottom:24px;
  }

  .hero h2{
    font-size:clamp(25px, 7vw, 36px);
    line-height:1.08;
    letter-spacing:-1.2px;
    margin-bottom:18px;
  }

  .lead{
    font-size:18px;
    line-height:1.55;
  }

  .actions .btn{
    width:100%;
  }

  .fast-card{
    transform:none;
    border-radius:30px;
  }

  .task{
    grid-template-columns:42px 1fr;
  }

  .task em{
    grid-column:2;
  }

  .section{
    padding:62px 20px;
  }

  .section-head{
    display:block;
  }

  .section-head h2{
    text-align:left;
    margin-top:14px;
    font-size:clamp(34px, 11vw, 52px);
    line-height:1;
    letter-spacing:-2px;
  }

  .process-grid,
  .example-grid{
    grid-template-columns:1fr;
  }

  .solution-list div{
    grid-template-columns:1fr;
    gap:12px;
  }

  .solution-list h3,
  .example-grid h3,
  .process-grid h3{
    line-height:1.05;
  }

  .final{
    margin:30px 20px 58px;
    padding:34px;
    border-radius:30px;
  }

  .final h2{
    font-size:clamp(48px, 14vw, 74px);
    line-height:.94;
    letter-spacing:-3px;
  }

  footer{
    flex-direction:column;
  }
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    scroll-behavior:auto!important;
    transition:none!important;
  }
}




@media(max-width:900px){
  .matrix-bg i::before{
    font-size:12px;
    letter-spacing:1px;
    color:rgba(227,6,32,.16);
    text-shadow:0 0 8px rgba(227,6,32,.12);
  }

  .matrix-bg::after{
    background:
      radial-gradient(circle at 75% 24%, rgba(227,6,32,.16), transparent 38%),
      linear-gradient(180deg, rgba(251,250,247,.28), rgba(251,250,247,.78));
  }
}


@media(max-width:900px){
  .topbar{
    height:auto;
    min-height:70px;
    flex-wrap:wrap;
    align-items:center;
    gap:12px;
    padding:14px 20px 12px;
  }

  .brand{
    width:100%;
  }

  nav{
    display:flex;
    width:100%;
    gap:8px;
    overflow-x:auto;
    padding-bottom:2px;
    scrollbar-width:none;
  }

  nav::-webkit-scrollbar{
    display:none;
  }

  nav a{
    min-width:max-content;
    font-size:13px;
    padding:9px 12px;
    border-radius:999px;
    background:#fff;
    border:1px solid var(--line);
    color:var(--text);
  }

  nav .nav-btn{
    background:var(--black);
    color:#fff;
    border-color:var(--black);
  }

  .hero{
    padding-top:34px;
  }
}


.project-box{
  width:100%;
  display:block;
  margin-top:22px;
  border-radius:24px;
  background:#fbfaf7;
  box-shadow:0 18px 44px rgba(17,17,17,.12);
  border:1px solid rgba(17,17,17,.08);
  transform:translateY(0);
  transition:.25s ease;
}

.example-grid article{
  overflow:hidden;
}

.example-grid article:hover .project-box{
  transform:translateY(-5px) scale(1.015);
  box-shadow:0 26px 60px rgba(17,17,17,.16);
}

@media(max-width:900px){
  .project-box{
    margin-top:18px;
    border-radius:20px;
  }
}



/* Ajuste final: menú centrado en celular */
@media(max-width:900px){
  .topbar{
    justify-content:center;
    text-align:center;
    padding-left:16px;
    padding-right:16px;
  }

  .brand{
    justify-content:center;
  }

  nav{
    justify-content:center;
    align-items:center;
    flex-wrap:wrap;
    overflow-x:visible;
    padding-bottom:0;
    margin:0 auto;
  }

  nav a{
    font-size:12.5px;
    padding:8px 10px;
  }
}


/* Ajuste final: CA Design a la izquierda + menú centrado en celular */
@media(max-width:900px){
  .topbar{
    justify-content:flex-start;
    text-align:left;
    padding-left:20px;
    padding-right:20px;
  }

  .brand{
    width:100%;
    justify-content:flex-start;
  }

  nav{
    width:100%;
    justify-content:center;
    text-align:center;
  }
}