* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --dark: #0f172a;
  --text-muted: #6b7280;
  --white: #ffffff;
  --primary: #f472b6;
  --secondary: #22d3ee;
}
body {
  font-family: "Poppins", sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background-color: #ffffff;
}
.container {
  width: 90%;
  max-width: 1150px;
  margin: 0 auto;
}

/* Navigation */
.nav {
  padding: 1.25rem 0;
  position: relative;
  z-index: 2;
}
.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo img {
  height: 40px;
  display: block;
}
.nav-link {
  text-decoration: none;
  color: #e5e7eb;
  font-weight: 500;
}

/* Hero */
.hero {
  min-height: 100vh;
  position: relative;
  color: var(--white);
  background:
    radial-gradient(
      900px circle at 15% 15%,
      rgba(244, 114, 182, 0.35),
      transparent 40%
    ),
    radial-gradient(
      800px circle at 85% 25%,
      rgba(34, 211, 238, 0.35),
      transparent 40%
    ),
    radial-gradient(
      700px circle at 50% 80%,
      rgba(167, 139, 250, 0.35),
      transparent 40%
    ),
    linear-gradient(135deg, #020617, #0f172a);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.15),
    rgba(15, 23, 42, 0.6)
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  margin-top: 7rem;
  text-align: center;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}
.hero p {
  font-size: 1.2rem;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  color: #e5e7eb;
}
.btn-primary {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #020617;
  text-decoration: none;
  font-weight: bold;
  border-radius: 999px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

/* About */
.about {
  padding: 6rem 0;
  background-color: #f8fafc;
}
.about h2 {
  font-size: 2.4rem;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 600;
}
.about > .container > p {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
}
.feature-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
}
.feature-card h3 {
  margin-bottom: 0.6rem;
  font-weight: 600;
  font-size: 1.2rem;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 3rem 0;
  text-align: center;
}
.footer-button {
  display: inline-block;
  padding: 0.85rem 3rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #020617;
  text-decoration: none;
  font-weight: bold;
  border-radius: 999px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.footer-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}
.footer-bottom {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: #64748b;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.3rem;
  }
  .hero-content {
    margin-top: 5rem;
  }
}