:root{
  --primary:#1e88e5;
  --light:#f6f8fb;
  --dark:#222;
}

*{box-sizing:border-box;}

body{
  margin:0;
  font-family:system-ui,Arial,sans-serif;
  color:var(--dark);
}

/* HEADER */
.header{
  display:flex;
  justify-content:space-between;
  padding:14px 20px;
  background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,0.05);
  position:sticky;
  top:0;
  z-index:99;
}
.logo{font-weight:700;font-size:18px;}
.header-call{color:var(--primary);text-decoration:none;font-weight:700;}

/* HERO */
.hero{
  position:relative;
  height:100vh;
  min-height:520px;
}
.hero img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
}
.hero-overlay{
  position:absolute;
  inset:0;
  z-index:2;
  color:#fff;
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  text-align:center;
}
.hero h1{
  font-size:28px;
  line-height:1.2;
}
.hero p{
  font-size:15px;
  line-height:1.6;
}
.hero-points{
  list-style:none;
  padding:0;
  margin:16px 0;
}
.hero-btn{
  margin:0 auto;
  background:#ff9800;
  color:#000;
  font-weight:700;
}

/* BUTTON */
.btn-primary{
  display:inline-block;
  padding:14px 26px;
  border-radius:30px;
  text-decoration:none;
}

/* SECTIONS */
.section{
  padding:20px 20px;
  text-align:center;
}
.section.light{background:var(--light);}
.section > *{
  max-width:1100px;
  margin-left:auto;
  margin-right:auto;
}
.section h2{font-size:26px;}
.section p{line-height:1.6;}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:30px;
}
.card{
  background:#fff;
  padding:20px;
  border-radius:16px;
  box-shadow:0 6px 25px rgba(0,0,0,0.06);
}

/* SAME SIZE IMAGES */
.card img,
.full-img{
  width:100%;
  height:220px;
  object-fit:cover;
  border-radius:14px;
  margin-bottom:10px;
}

/* CTA */
.cta{
  background:var(--primary);
  color:#fff;
  padding:60px 20px;
}

/* MOBILE STICKY CALL */
.sticky-call{
  position:fixed;
  bottom:0;
  width:100%;
  background:var(--primary);
  padding:14px;
  text-align:center;
  z-index:99;
}
.sticky-call a{
  color:#fff;
  font-size:16px;
  font-weight:700;
  text-decoration:none;
}

.reviews {
  gap: 20px;
}

.review-card {
  background: #fff;
  border-left: 4px solid #1a73e8;
}

.review-card .stars {
  color: #f4b400;
  font-size: 18px;
  margin: 5px 0;
}

.review-card .source {
  font-size: 13px;
  color: #666;
}

.review-sub {
  text-align: center;
  color: #555;
  margin-bottom: 20px;
}


/* WHATSAPP */
.whatsapp-float{
  position:fixed;
  bottom:80px;
  right:16px;
  width:56px;
  height:56px;
  background:#25D366;
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  box-shadow:0 6px 18px rgba(0,0,0,0.25);
}

/* DESKTOP OPTIMIZATION */
@media(min-width:992px){
  .hero-overlay{
    max-width:620px;
    text-align:left;
    padding-left:80px;
  }
  .hero h1{font-size:42px;}
  .hero-btn{margin-left:0;}

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

  .card img,
  .full-img{height:260px;}

  .sticky-call{display:none;}
}