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

html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at center, #080000 0%, #000000 100%);
  color: #f1f1f1;
  overflow-x: hidden;
}

/* Fire glow edges */
.fire {
  position: fixed;
  top: 0;
  width: 120px;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.25;
  z-index: 0;
}

.fire-left {
  left: 0;
  background: radial-gradient(circle at 40% 80%, rgba(255, 50, 0, 0.4), transparent 70%);
  animation: fireLeft 4s infinite ease-in-out alternate;
}

.fire-right {
  right: 0;
  background: radial-gradient(circle at 60% 80%, rgba(255, 50, 0, 0.4), transparent 70%);
  animation: fireRight 4s infinite ease-in-out alternate;
}

@keyframes fireLeft {
  0%,100% { opacity: 0.2; transform: scaleY(1); filter: blur(14px) brightness(1); }
  50% { opacity: 0.6; transform: scaleY(1.05); filter: blur(18px) brightness(1.4); }
}
@keyframes fireRight {
  0%,100% { opacity: 0.2; transform: scaleY(1); filter: blur(14px) brightness(1); }
  50% { opacity: 0.6; transform: scaleY(1.07); filter: blur(18px) brightness(1.5); }
}

/* Main section */
.intro {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.intro h1 {
  font-size: 3rem;
  color: #ff2a2a;
  text-shadow: 0 0 25px rgba(255, 0, 0, 0.7);
  animation: pulseText 3s infinite alternate ease-in-out;
}

.intro p {
  font-size: 1.2rem;
  color: #ccc;
  margin-top: 10px;
  margin-bottom: 25px;
}

.intro a {
  color: #ff4040;
  text-decoration: none;
  font-weight: 600;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(90deg, #ff0000, #990000);
  color: white;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.6);
  transition: all 0.3s ease;
}

.btn:hover {
  background: linear-gradient(90deg, #ff4040, #ff0000);
  box-shadow: 0 0 35px rgba(255, 0, 0, 0.9);
  transform: scale(1.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #050000;
  color: #777;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 0, 0, 0.2);
  box-shadow: 0 -5px 15px rgba(255, 0, 0, 0.1);
}

/* Animations */
@keyframes pulseText {
  0% { text-shadow: 0 0 10px rgba(255, 0, 0, 0.5); }
  100% { text-shadow: 0 0 25px rgba(255, 0, 0, 1); }
}