* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: #0a0a0a;
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 60px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 10;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
}

.logo {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 1px;
}

.header nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 30px;
  font-size: 14px;
  opacity: 0.8;
}

.header nav a:hover {
  opacity: 1;
}

/* HERO */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 80px;
}

/* ABSTRACT BACKGROUND */
.abstract-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  background:
    radial-gradient(circle at 30% 30%, #3f87ff, transparent 60%),
    radial-gradient(circle at 70% 70%, #9b4dff, transparent 60%);
  filter: blur(80px);
  opacity: 0.6;
  animation: float 8s infinite alternate ease-in-out;
}

@keyframes float {
  from {
    transform: translate(-50px, -30px);
  }
  to {
    transform: translate(50px, 30px);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
}

.top-text {
  letter-spacing: 3px;
  font-size: 13px;
  color: #bbb;
}

.hero-content h1 {
  font-size: 72px;
  line-height: 1;
  margin: 20px 0;
  background: linear-gradient(90deg, #ffffff, #b388ff, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  color: #ccc;
  font-size: 16px;
  margin-bottom: 30px;
}

/* EMAIL BOX */
.email-box {
  display: flex;
  justify-content: center;
}

.email-box input {
  padding: 12px;
  width: 260px;
  border: none;
  outline: none;
}

.email-box button {
  padding: 12px 24px;
  border: none;
  background: #b388ff;
  color: #000;
  font-weight: 600;
  cursor: pointer;
}

.email-box button:hover {
  background: #9b6df0;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 18px;
  font-size: 13px;
  color: #aaa;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .header {
    padding: 15px 20px;
  }

  .hero-content h1 {
    font-size: 46px;
  }

  .email-box {
    flex-direction: column;
  }

  .email-box input,
  .email-box button {
    width: 100%;
  }

  .email-box button {
    margin-top: 10px;
  }
}