:root{
  --bg:#fff8f4;
  --text:#171717;
  --muted:#666b76;
  --brand:#e22121;
  --brand2:#0717ff;
  --dark:#111827;
  --card:#ffffff;
  --line:#f0ded8;
  --soft:#fff1ec;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

img{
  max-width:100%;
}

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

.container{
  width:min(1180px, 92%);
  margin:auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:12px 0;
}

.brand img{
  width:72px;
  height:72px;
  object-fit:contain;
  display:block;
}

.menu{
  display:flex;
  align-items:center;
  gap:28px;
}

.menu a{
  font-weight:800;
  color:#161616;
}

.menu a:hover{
  color:var(--brand);
}

.lang-btn{
  border:0;
  background:var(--dark);
  color:#fff;
  padding:11px 16px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
}

.hero{
  padding:86px 0 70px;
  background:
    radial-gradient(circle at 82% 10%, rgba(226,33,33,.16), transparent 34%),
    linear-gradient(135deg, #fff, var(--soft));
}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}

.tag{
  display:inline-block;
  color:var(--brand);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.09em;
  font-size:.82rem;
  margin-bottom:12px;
}

h1{
  font-size:clamp(2.4rem, 5vw, 4.8rem);
  line-height:1.04;
  margin:0 0 22px;
  color:var(--dark);
}

h2{
  font-size:clamp(2rem, 3.5vw, 3.2rem);
  line-height:1.12;
  margin:8px 0 18px;
  color:var(--dark);
}

h3{
  margin:12px 0 8px;
}

.lead{
  font-size:1.18rem;
  color:var(--muted);
  max-width:760px;
}

.actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-top:30px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 24px;
  border-radius:999px;
  font-weight:900;
  border:2px solid transparent;
  cursor:pointer;
}

.primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 14px 34px rgba(226,33,33,.24);
}

.secondary{
  background:#fff;
  color:var(--dark);
  border-color:var(--line);
}

.chips{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

.chips span{
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 14px;
  font-weight:800;
  color:#333;
}

.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:22px;
  box-shadow:0 28px 70px rgba(17,24,39,.12);
}

.hero-card img{
  display:block;
  width:100%;
  max-width:560px;
  margin:auto;
  border-radius:24px;
}

.section{
  padding:82px 0;
}

.section-head{
  max-width:780px;
  margin:0 auto 38px;
  text-align:center;
}

.light{
  background:linear-gradient(135deg, #fff, #fff1ec);
}

.cards{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}

.cards article,
.screen,
.form,
.checklist p{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:0 16px 45px rgba(17,24,39,.07);
}

.cards article{
  padding:28px;
}

.cards article span{
  font-size:2.1rem;
}

.screens{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}

.screen{
  padding:14px;
}

.screen img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:contain;
  background:#fff;
  border-radius:18px;
  display:block;
}

.screen h3{
  padding:0 8px 4px;
}

.split,
.contact{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
}

.checklist{
  display:grid;
  gap:14px;
}

.checklist p{
  padding:15px 18px;
  margin:0;
  font-weight:800;
}

.form{
  padding:28px;
  display:grid;
  gap:14px;
}

.form input,
.form textarea{
  width:100%;
  border:1px solid #ddd1cc;
  border-radius:15px;
  padding:14px;
  font:inherit;
}

.form button{
  border:0;
}

.whatsapp{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:200;
  background:#25d366;
  color:#fff;
  border-radius:999px;
  padding:14px 18px;
  font-weight:900;
  box-shadow:0 12px 34px rgba(0,0,0,.22);
}

footer{
  text-align:center;
  padding:28px 7%;
  background:var(--dark);
  color:#dce3ee;
}

@media(max-width:900px){
  .nav{
    flex-wrap:wrap;
    justify-content:center;
  }

  .menu{
    order:3;
    width:100%;
    justify-content:center;
    flex-wrap:wrap;
    gap:16px;
  }

  .hero-grid,
  .cards,
  .screens,
  .split,
  .contact{
    grid-template-columns:1fr;
  }

  .hero{
    padding:56px 0 44px;
  }

  .section{
    padding:58px 0;
  }

  .hero-card img{
    max-width:92%;
  }
}