/* Logan's Bitcoin Search System — white on black, centered, plain */

:root{
  --bg:#fff;
  --fg:#111;
  --muted:#555;
  --btn:#16a34a;       /* green */
  --btn-fg:#fff;
  --col:720px;
  --font:inherit;      /* шрифт подставляется файлом клиента */
}

*{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  font-size:22px;
  line-height:1.5;
  text-align:center;
}
img,video{max-width:100%;display:block}
a{color:inherit}
b{font-weight:700}

.page{max-width:var(--col);margin:0 auto;padding:0 20px 60px}
.block{padding:32px 0}
.block + .block{border-top:1px solid rgba(0,0,0,.08)}
.hero{padding-top:40px}

.brand{
  margin:0 0 28px;
  font-size:18px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--muted);
}

h1{
  margin:0 0 18px;
  font-size:clamp(36px,6.4vw,56px);
  text-transform:uppercase;
  line-height:1.1;
  font-weight:700;
  text-wrap:balance;
}
h2{
  margin:0 0 14px;
  font-size:clamp(28px,4.6vw,38px);
  line-height:1.2;
  font-weight:700;
  text-wrap:balance;
}
p{margin:0 0 12px}
.lede{font-size:26px;max-width:36ch;margin-left:auto;margin-right:auto}

.price{font-size:26px;margin:18px 0 14px}
.price b{font-size:40px}
.price--big{font-size:28px;font-weight:700;margin:0 0 18px;line-height:1.3;text-wrap:balance}
.kicker{font-size:24px;font-weight:700;text-transform:uppercase;margin-bottom:8px}
.guarantee{margin-top:16px;margin-bottom:0;font-size:20px;color:var(--muted);max-width:40ch;margin-left:auto;margin-right:auto}

.btn{
  display:block;
  max-width:520px;
  margin:0 auto;
  padding:24px 28px;
  background:var(--btn);
  color:var(--btn-fg);
  text-decoration:none;
  font-size:24px;
  font-weight:700;
  text-transform:uppercase;
  border-radius:6px;
}
.btn:hover{background:#15803d}
.note{margin:10px 0 0;font-size:18px;color:var(--muted)}

.player{
  aspect-ratio:9/16;
  width:min(100%,360px,calc(78vh * 9 / 16));
  background:#111;
  margin:0 auto 20px;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(0,0,0,.08),0 20px 50px rgba(0,0,0,.18);
}
.player video{width:100%;height:100%;object-fit:cover;background:#111;display:block}

.list{
  list-style:none;
  margin:0 auto;
  padding:0;
  max-width:44ch;
  text-align:left;
}
.list li{padding:6px 0 6px 40px;position:relative;font-size:24px}
.list li::before{content:"✓";position:absolute;left:0;font-weight:700;color:var(--btn)}
.list{margin-bottom:0}

.buy{padding-bottom:16px}

.foot{
  margin-top:16px;
  font-size:15px;
  color:var(--muted);
}

@media (max-width:480px){
  body{font-size:19px}
  .block{padding:26px 0}
  .hero{padding-top:28px}
  .lede{font-size:21px}
  .list li{font-size:21px;padding-left:34px}
  .btn{font-size:20px;padding:20px 22px}
  .price b{font-size:34px}
}