:root{
  --red:#ff1010;
  --dark:#030000;
  --card:#0b0b0b;
  --border:#5a0000;
}

*{box-sizing:border-box}

body{
  margin:0;
  background:#000;
  color:#fff;
  font-family:Arial,Helvetica,sans-serif;
  overflow-x:hidden;
}

/* red bandana + smoke */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-6;
  background:
    radial-gradient(circle at 50% 0%,rgba(255,0,0,.75),transparent 28%),
    radial-gradient(circle at 12% 22%,rgba(255,0,0,.32),transparent 24%),
    radial-gradient(circle at 85% 36%,rgba(255,0,0,.28),transparent 28%),
    linear-gradient(180deg,#190000,#030000 65%,#000);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-5;
  opacity:.28;
  background:
    repeating-linear-gradient(45deg,rgba(255,0,0,.22) 0 8px,transparent 8px 22px),
    repeating-linear-gradient(-45deg,rgba(255,30,30,.14) 0 7px,transparent 7px 25px),
    radial-gradient(circle at 50% 50%,transparent 0 40%,rgba(0,0,0,.85) 100%);
  filter:contrast(1.5) saturate(1.4);
}

/* moving fog */
.sm45-fog{
  position:fixed;
  inset:-25%;
  z-index:-4;
  pointer-events:none;
  opacity:.72;
  background:
    radial-gradient(circle at 20% 25%,rgba(255,255,255,.14),transparent 22%),
    radial-gradient(circle at 68% 20%,rgba(255,0,0,.24),transparent 25%),
    radial-gradient(circle at 48% 80%,rgba(255,255,255,.10),transparent 32%);
  filter:blur(20px) saturate(1.5);
  animation:fogMove 10s ease-in-out infinite alternate;
}

@keyframes fogMove{
  from{transform:translateX(-3%) translateY(1%) scale(1)}
  to{transform:translateX(3%) translateY(-3%) scale(1.07)}
}

/* horror face / red eye wall */
.sm45-faces{
  position:fixed;
  inset:0;
  z-index:-3;
  pointer-events:none;
  opacity:.42;
  background:
    radial-gradient(ellipse at 15% 25%,rgba(255,255,255,.28),transparent 10%),
    radial-gradient(ellipse at 31% 28%,rgba(255,255,255,.20),transparent 9%),
    radial-gradient(ellipse at 49% 24%,rgba(255,255,255,.25),transparent 11%),
    radial-gradient(ellipse at 66% 28%,rgba(255,255,255,.20),transparent 10%),
    radial-gradient(ellipse at 84% 25%,rgba(255,255,255,.17),transparent 9%);
  filter:grayscale(1) contrast(2.6) blur(.3px);
}

.sm45-faces::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 14% 25%,red 0 3px,transparent 6px),
    radial-gradient(circle at 17% 25%,red 0 3px,transparent 6px),
    radial-gradient(circle at 48% 24%,red 0 3px,transparent 6px),
    radial-gradient(circle at 51% 24%,red 0 3px,transparent 6px),
    radial-gradient(circle at 65% 28%,red 0 3px,transparent 6px),
    radial-gradient(circle at 68% 28%,red 0 3px,transparent 6px);
  filter:drop-shadow(0 0 12px red);
}

/* big hidden brand stamp */
.sm45-wrap::before{
  content:"SOUL MEMORY 45";
  position:fixed;
  left:50%;
  bottom:9%;
  transform:translateX(-50%);
  font-size:13vw;
  font-weight:900;
  letter-spacing:4px;
  color:rgba(255,0,0,.055);
  white-space:nowrap;
  pointer-events:none;
  z-index:-2;
}

/* layout */
.sm45-wrap,.wrap{
  max-width:1100px;
  margin:auto;
  padding:22px;
}

.sm45-card,.hero,.card{
  background:
    linear-gradient(180deg,rgba(60,0,0,.88),rgba(8,8,8,.98)),
    radial-gradient(circle at 50% 0%,rgba(255,0,0,.18),transparent 45%);
  border:1px solid #870000;
  border-radius:26px;
  padding:24px;
  margin:18px 0;
  box-shadow:
    0 0 32px rgba(255,0,0,.38),
    inset 0 0 24px rgba(255,0,0,.09);
  backdrop-filter:blur(4px);
}

.sm45-logo,.logo{
  text-align:center;
  font-size:96px;
  color:#ff1010;
  font-weight:900;
  line-height:1;
  text-shadow:
    0 0 12px red,
    0 0 35px red,
    0 0 75px red,
    0 0 120px red;
  animation:pulse45 1.7s ease-in-out infinite alternate;
}

@keyframes pulse45{
  from{transform:scale(1)}
  to{transform:scale(1.04)}
}

.sm45-title,h1{
  text-align:center;
  color:#ff2020;
  font-size:32px;
  font-weight:900;
  text-transform:uppercase;
  text-shadow:0 0 18px rgba(255,0,0,.95);
  letter-spacing:.5px;
}

.sm45-sub,.sub,p{
  color:#d4d4d4;
  line-height:1.5;
}

.sm45-sub,.sub{
  text-align:center;
}

.sm45-grid,.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:14px;
}

.sm45-btn,
a.sm45-btn,
.btn,
a.btn,
button{
  display:block;
  width:100%;
  background:linear-gradient(180deg,#ff1818,#c90000 55%,#8d0000);
  color:#fff;
  text-decoration:none;
  text-align:center;
  border:1px solid #ff3333;
  border-radius:15px;
  padding:16px 14px;
  margin:10px 0;
  font-weight:900;
  box-shadow:
    0 0 24px rgba(255,0,0,.44),
    inset 0 0 18px rgba(255,255,255,.10);
  transition:.18s;
}

.sm45-btn:hover,
a.sm45-btn:hover,
.btn:hover,
a.btn:hover,
button:hover{
  transform:translateY(-3px) scale(1.01);
  box-shadow:
    0 0 38px rgba(255,0,0,.75),
    inset 0 0 22px rgba(255,255,255,.15);
}

input,textarea,select{
  width:100%;
  background:#090909;
  color:#fff;
  border:1px solid #333;
  border-radius:14px;
  padding:14px;
  margin:8px 0;
}

pre{
  white-space:pre-wrap;
  background:#050505;
  border:1px solid #222;
  border-radius:14px;
  padding:16px;
  color:#ddd;
  overflow:auto;
}

.sm45-footer,.footer{
  text-align:center;
  color:#888;
  padding:28px 10px;
}

@media(max-width:600px){
  .sm45-wrap,.wrap{padding:14px}
  .sm45-card,.hero,.card{padding:18px;border-radius:22px}
  .sm45-logo,.logo{font-size:78px}
  .sm45-title,h1{font-size:24px}
}