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

body{
  font-family:Arial,sans-serif;
  background:
    radial-gradient(circle at top,
    rgba(255,212,0,.15),
    transparent 35%),
    #050505;

  color:white;
}

html{
  scroll-behavior:smooth;
}

img{
  width:100%;
  display:block;
}

.header{
  position:sticky;
  top:0;
  z-index:1000;

  display:flex;
  justify-content:space-between;
  align-items:center;

  padding:4px 16px;

  background:rgba(0,0,0,.9);
  backdrop-filter:blur(10px);

  border-bottom:1px solid rgba(255,212,0,.15);
}

.logo{
  font-size:28px;
  font-weight:900;
  line-height:1;
}

.logo p{
  margin-top:4px;
  font-size:11px;
  color:#bbb;
}

.yellow{
  color:#FFD400;
}

.white{
  color:white;
}

.timer-box{
  background:#111;

  padding:2px 16px;

  border-radius:16px;

  border:1px solid rgba(255,212,0,.15);

  text-align:center;
}

.timer-box span{
  font-size:11px;
  color:#bbb;
}

#timer{
  font-size:24px;
  color:#FFD400;
  font-weight:900;
}

.hero{
  padding:0 0 40px;
}

.hero-image{
  width:100%;
}

.hero-image img{
  width:100%;
  aspect-ratio:5/5;
  object-fit:cover;

  border-bottom-left-radius:28px;
  border-bottom-right-radius:28px;

  box-shadow:
    0 0 50px rgba(255,212,0,.12);
}

.hero-content{
  padding:24px 18px 0;
}

.badge{
  display:inline-block;

  background:linear-gradient(
    180deg,
    #FFD400,
    #E6B800
  );

  color:black;

  font-weight:900;
  font-size:14px;

  padding:10px 16px;

  border-radius:14px;

  margin-bottom:18px;
}

.hero h1{
  font-size:42px;
  line-height:.95;

  margin-bottom:16px;

  font-weight:900;
}

.hero h1 span{
  color:#FFD400;
}

.hero p{
  color:#ccc;

  font-size:17px;
  line-height:1.5;

  margin-bottom:24px;
}

.price-box{
  display:flex;
  align-items:end;
  gap:14px;

  margin-bottom:24px;
}

.old-price{
  color:#777;
  font-size:22px;
  text-decoration:line-through;
}

.new-price{
  color:#FFD400;
  font-size:44px;
  font-weight:900;
}

.btn-primary{
  display:flex;
  justify-content:center;
  align-items:center;

  width:100%;

  background:linear-gradient(
    180deg,
    #FFD400,
    #E6B800
  );

  color:black;
  text-decoration:none;

  padding:18px;

  border:none;

  border-radius:20px;

  font-size:20px;
  font-weight:900;

  box-shadow:
    0 12px 30px rgba(255,212,0,.28);

  transition:.2s;
}

.btn-primary:active{
  transform:scale(.98);
}

.mini-benefits{
  margin-top:20px;

  display:flex;
  flex-direction:column;
  gap:10px;

  color:#ddd;
  font-size:15px;
}

.features,
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 25px;

  padding: 60px 5%;
}

.feature-card,
.step-card,
.review-card {
  background: #111;

  padding: 30px;
  border-radius: 24px;

  border: 1px solid rgba(255,212,0,.15);

  box-shadow:
    0 10px 40px rgba(255,212,0,.08);
}

.section-title {
  font-size: 52px;
  font-weight: 900;

  text-align: center;

  margin-bottom: 25px;
}

.video-section,
.specs,
.reviews,
.form-section {
  padding: 80px 5%;
}

.section-text {
  text-align: center;
  color: #ccc;

  margin-bottom: 40px;
}

.video-placeholder {
  width: 100%;
  max-width: 700px;
  aspect-ratio: 1/1;

  background: #111;

  margin: auto;

  border-radius: 30px;

  display: flex;
  align-items: center;
  justify-content: center;

  color: #FFD400;
  font-weight: 900;
}

.advantages {
  padding: 80px 5%;
}

.advantage-item {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 40px;

  margin-bottom: 60px;
  align-items: center;
}

.advantage-item img {
  border-radius: 30px;
}

table {
  width: 100%;
  max-width: 900px;

  margin: auto;

  border-collapse: collapse;
}

td {
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.reviews {
  display: grid;
  gap: 25px;
}

form {
  max-width: 600px;
  margin: auto;

  display: flex;
  flex-direction: column;
  gap: 20px;
}

input {
  background: #111;
  border: 1px solid rgba(255,212,0,.15);

  padding: 18px;
  border-radius: 18px;

  color: white;
  font-size: 18px;
}

button {
  border: none;
  cursor: pointer;
}

footer {
  padding: 40px;
  text-align: center;

  color: #777;
}

@media(max-width: 900px) {

  .hero {
    grid-template-columns: 1fr;
  }

  .features,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .advantage-item {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 48px;
  }

  .section-title {
    font-size: 36px;
  }

}