* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: #f8fafc;
  color: #0f172a;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  background-color: #ccfbf1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.logo {
  display: flex;
  align-items: center;
  font-size: 22px;
  font-weight: bold;
}

.logo img {
  height: 80px;
  margin-right: 15px;
}

.logo span {
  color: #0f766e;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

nav ul li a {
  text-decoration: none;
  color: #0f172a;
  font-weight: 500;
  padding: 8px 15px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background-color: #99f6e4;
  color: #0d9488;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 5%;
  flex-wrap: wrap;
}

.hero-left {
  max-width: 500px;
}

.hero-left h2 {
  font-size: 22px;
  color: #0f766e;
  margin-bottom: 10px;
}

.hero-left h1 {
  font-size: 56px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px #14b8a6;
}

.hero-left p {
  margin-top: 15px;
  font-size: 16px;
  color: #475569;
  line-height: 1.7;
}

.hero-left button {
  margin-top: 25px;
  padding: 12px 25px;
  background-color: #0f766e;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

.hero-left button:hover {
  background-color: #0d9488;
}

.hero-right {
  width: 420px;
  height: 320px;
  background-image: url('moon-clipart.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 20px;
  padding: 20px;
  animation: fadeInRight 1s ease-in-out;
}

.info-box,
.insomnia-box {
  padding: 50px 5%;
  text-align: center;
}

.info-box {
  background-color: #ecfeff;
}

.insomnia-box {
  background-color: #f0fdfa;
}

.info-box h3,
.insomnia-box h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #0f172a;
}

.info-box p,
.insomnia-box p {
  font-size: 16px;
  color: #475569;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ✅ RESPONSIVE */
@media (max-width: 900px) {
  header {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
  }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero-left h1 {
    font-size: 42px;
  }

  .hero-left p {
    font-size: 15px;
  }

  .hero-left button {
    width: 100%;
    font-size: 15px;
  }

  .hero-right {
    width: 100%;
    height: 250px;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 50px;
  }

  .hero-left h1 {
    font-size: 32px;
    -webkit-text-stroke: 0.8px #14b8a6;
  }

  .hero-left p {
    font-size: 14px;
  }

  nav ul li a {
    font-size: 14px;
    padding: 6px 12px;
  }
}