:root {
  --primary: #0ea5a4;
  --secondary: #ff6b6b;
  --bg: #f9fafb;
  --text: #1e293b;
  --muted: #64748b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

/* HEADER / NAVBAR */
header {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo img {
  height: 60px;
}

.btn {
  background: var(--primary);
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s;
}

.btn:hover {
  background: var(--secondary);
}

/* HERO SECTION */
.hero {
  max-width: 1100px;
  margin: 40px auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
  padding: 0 20px;
}

.hero-text {
  flex: 1 1 400px;
}

.hero-text h1 {
  font-family: "Montserrat", sans-serif;
  font-size: 2rem;
  margin-bottom: 10px;
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 20px;
}

.poster {
  flex: 1 1 400px;
  text-align: center;
}

.poster img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* FEATURES SECTION */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 50px auto;
  padding: 0 20px;
}

.feature {
  background: white;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.feature:hover {
  transform: translateY(-5px);
}

.feature h3 {
  color: var(--primary);
  margin-bottom: 10px;
}

/* CTA SECTION */
.cta {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 40px 20px;
  border-radius: 10px;
  max-width: 1100px;
  margin: 40px auto;
}

.cta a {
  background: white;
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 10px;
  display: inline-block;
}

.cta a:hover {
  background: var(--secondary);
  color: white;
}

/* FOOTER */
footer {
  background: white;
  text-align: center;
  padding: 20px;
  margin-top: 50px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* WHATSAPP FLOAT BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25d366;
  color: white;
  border-radius: 50px;
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: transform 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

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

  .hero-text h1 {
    font-size: 1.6rem;
  }

  .navbar {
    flex-direction: column;
    gap: 10px;
  }

  .btn {
    padding: 8px 14px;
  }

  .whatsapp-float {
    bottom: 15px;
    right: 15px;
    padding: 10px 16px;
    font-size: 0.9rem;
  }
}