:root{
  --red:#ff2626;
  --ink:#111111;
  --muted:#5c5c5c;
  --line:#ececec;
  --bg:#ffffff;
}

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

html{-webkit-text-size-adjust:100%}

body{
  font-family:'Inter',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

.bg{
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,38,38,.10), transparent 35%),
    radial-gradient(circle at 85% 25%, rgba(255,38,38,.08), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(17,17,17,.04), transparent 40%);
}

.wrap{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:100px 20px;
}

.logo{
  width:280px;

}

.tag{
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--red);
  font-weight:700;
  font-size:13px;
  margin-bottom:18px;
}

h1{
  font-size:clamp(32px,5.2vw,64px);
  max-width:820px;
  line-height:1.12;
  font-weight:800;
  margin-bottom:20px;
  letter-spacing:-0.02em;
}

.desc{
  max-width:620px;
  font-size:clamp(15px,2vw,18px);
  color:var(--muted);
  line-height:1.7;
  margin-bottom:56px;
}

/* Features */
.features{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  width:100%;
  max-width:1000px;
  margin-bottom:56px;
}

.feature{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px 20px;
  text-align:left;
  box-shadow:0 6px 24px rgba(17,17,17,.04);
  transition:transform .2s ease, box-shadow .2s ease;
}

.feature:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 36px rgba(17,17,17,.08);
}

.feature-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  background:rgba(255,38,38,.08);
  color:var(--red);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}

.feature-icon svg{width:22px;height:22px}

.feature h3{
  font-size:15.5px;
  font-weight:700;
  margin-bottom:8px;
}

.feature p{
  font-size:13.5px;
  color:var(--muted);
  line-height:1.6;
}

/* Countdown */
.countdown{
  display:flex;
  gap:16px;
  margin-bottom:36px;
  flex-wrap:wrap;
  justify-content:center;
}

.countdown div{
  width:104px;
  padding:18px 10px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 34px rgba(17,17,17,.05);
}

.countdown span{
  font-size:36px;
  font-weight:800;
  color:var(--red);
  display:block;
  font-variant-numeric:tabular-nums;
}

.countdown small{
  color:var(--muted);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.08em;
}

/* Progress */
.progress{
  width:min(520px,100%);
  height:10px;
  background:#eee;
  border-radius:999px;
  overflow:hidden;
}

.bar{
  height:100%;
  width:82%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--red),#111);
  animation:pulse 2.2s ease-in-out infinite;
}

.status{
  margin:14px 0 40px;
  color:var(--muted);
  font-size:14px;
}

.status strong{color:var(--ink)}

/* Notify form */
.notify{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:center;
  width:100%;
  max-width:460px;
}

.notify input{
  flex:1;
  min-width:0;
  padding:15px 18px;
  font-size:15px;
  font-family:inherit;
  border:1px solid #ddd;
  border-radius:12px;
  outline:none;
  transition:border-color .15s ease;
}

.notify input:focus{border-color:var(--red)}

.notify button{
  padding:15px 26px;
  border:none;
  background:var(--red);
  color:#fff;
  border-radius:12px;
  font-weight:700;
  font-size:15px;
  font-family:inherit;
  cursor:pointer;
  transition:filter .15s ease, transform .15s ease;
  white-space:nowrap;
}

.notify button:hover{filter:brightness(1.08)}
.notify button:active{transform:scale(.97)}

.notify-msg{
  min-height:22px;
  margin-top:14px;
  font-size:14px;
  font-weight:600;
}

.notify-msg.success{color:#0a8a3a}
.notify-msg.error{color:var(--red)}

footer{
  margin-top:48px;
  color:#999;
  font-size:13px;
}

@keyframes pulse{50%{filter:brightness(1.15)}}

/* Tablet */
@media(max-width:860px){
  .features{grid-template-columns:repeat(2,1fr)}
}

/* Mobile */
@media(max-width:640px){
  .wrap{padding:48px 20px 32px}
  .logo{width:140px;margin-bottom:22px}
  .countdown div{width:74px;padding:14px 6px;border-radius:14px}
  .countdown span{font-size:26px}
  .countdown{gap:10px}
  .notify{flex-direction:column}
  .notify input,.notify button{width:100%}
  .desc{margin-bottom:40px}
  .features{margin-bottom:40px}
}

@media(max-width:380px){
  .features{grid-template-columns:1fr}
}