body {
  margin: 0;
  font-family: "JetBrains Mono", monospace, sans-serif;
  background-color: #0f1115;
  color: #f1f3f5;
}

/* TOP BAR */
.topbar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 18px 40px;
  background-color: #171a21;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.4);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: bold;
  color: #dce7f5;
  line-height: 1;
}

.logo img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
  border-radius: 6px;
}

.nav-links a {
  color: #b7c7d9;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}

.nav-links a:hover {
  color: #4da3ff;
}

/* HERO */
.hero {
  display: flex;
  justify-content: center;
  margin: 90px auto;
  padding: 0 20px;
}

.hero-card {
  max-width: 900px;
  padding: 50px 40px;
  border-radius: 16px;

  background:
    radial-gradient(circle at top left, rgba(77, 163, 255, 0.34), transparent 50%),
    radial-gradient(circle at bottom right, rgba(77, 163, 255, 0.16), transparent 60%),
    #181c24;

  background-size: 220% 220%;
  animation: heroGlow 16s ease-in-out infinite;

  border: 1px solid #2a3340;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);

  position: relative;
  overflow: hidden;
}

/* GRADIENT EFFECT */
.hero-card > * {
  position: relative;
  z-index: 1;
}

@keyframes heroGlow {
  0% {
    background-position: 0% 50%;
  }

  25% {
    background-position: 100% 30%;
  }

  50% {
    background-position: 80% 100%;
  }

  75% {
    background-position: 20% 70%;
  }

  100% {
    background-position: 0% 50%;
  }
}

p {
  font-size: 18px;
  color: #b8c2cc;
  line-height: 1.6;
}

/* BUTTON */
.down-btn {
  display: flex;
  justify-content: center;
  margin: 40px 0 80px;
}

.down-btn a {
  background: #1a73e8;
  color: white;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.2s;

  display: flex;
  align-items: center;
  gap: 8px;
}

.down-btn a:hover {
  background: #155fc0;
  transform: translateY(-2px);
}

/* FEATURES */
.features {
  padding: 100px 20px;
}

.feature-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.feature {
  padding: 20px;
}

.icon img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
  margin: 0 auto 15px;
  border-radius: 12px;
}

.feature h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #f1f3f5;
}

.feature p {
  font-size: 16px;
  color: #aeb8c2;
}

/* FOOTER */
.footer {
  background: linear-gradient(135deg, #151922, #10141b);
  border-top: 1px solid #2b3542;
  padding: 60px 20px;
  margin-top: 100px;
}

.footer-content {
  text-align: center;
}

.socials a {
  margin: 0 12px;
  font-size: 22px;
  color: #4da3ff;
  transition: 0.2s;
}

.socials a:hover {
  color: #82c3ff;
}

.copy {
  margin-top: 20px;
  font-size: 14px;
  color: #7f8b99;
}

/* SCROLL FADE */
.fade {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade.show {
  opacity: 1;
  transform: translateY(0);
}

/* MOBILE */
@media (max-width: 768px) {
  .feature-container {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 32px;
  }
  hero-card {
        animation: none;
  }
}