/* Reset & Basics */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #f0f0f0;
  background-color: #fff;
  line-height: 1.6;
}
a {
  color: #fff;
  text-decoration: none;
}
ul {
  list-style: none;
}

/* Header */
header {
  background-color: #101522;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
header .container {
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #66d9ef;
}
nav ul {
  display: flex;
  gap: 1.5rem;
}
nav a:hover {
  color: #E83E8C;
}

/* Hero */
.hero {
  position: relative;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 26, 0.7);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #ffffff;
}
.hero-image {
  width: 50%;
  height: auto;
  object-fit: cover;
}
.hero-text {
  width: 100%;
  max-width: 700px;
  padding: 0 1rem;
  margin: 0 auto;
  z-index: 1;
  color: #444;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}
.btn {
  padding: 0.75rem 2rem;
  background-color: #C21870;
  border: none;
  color: #fff;
  font-weight: bold;
  border-radius: 5px;
  transition: background 0.3s ease;
}
.btn:hover {
  background-color: #E83E8C;
}

/* Card-Features */
.features {
  background-color: #f7edf7;
  padding: 4rem 2rem;
}
.features-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2rem;
}
.feature-card {
  flex: 1 1 300px;
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
}
.feature-card h3 {
  color: #E83E8C;
  margin-bottom: 1rem;
}
.feature-card p {
  color: #444;
  font-size: 1rem;
  line-height: 1.5;
}

/* Footer */
footer {
  background-color: #101522;
  padding: 3rem 2rem;
  margin-top: 3rem;
}
.footer-container {
  display: flex;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: auto;
  justify-content: space-between;
}
.footer-column {
  flex: 1 1 200px;
  margin: 1rem 0;
  text-align: center;
}
.footer-column h3 {
  margin-bottom: 1rem;
  color: #66d9ef;
}
.footer-column ul li {
  margin-bottom: 0.5rem;
}
.footer-column ul li a:hover {
  color: #E83E8C;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    position: static; /* o relative */
  }
  
  header .container {
    flex-direction: column;
    align-items: center;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
  }

  .hero {
    flex-direction: column;
    height: auto;
    padding: 2rem 1rem;
  }

  .hero-image {
    width: 100%;
    height: auto;
  }

  .hero-text {
    padding: 1rem 0;
  }

  .feature {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
  }
}