/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #353535;
  background: #FFFFFF;
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
header {
  background: linear-gradient(90deg, #284B63 60%, #3C6E71 100%);
  box-shadow: 0 4px 15px rgba(40,75,99,0.15);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1.2rem 0;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  color: #FFFFFF;
  font-family: 'Segoe UI Black', Tahoma, Geneva, Verdana, sans-serif;
  letter-spacing: 2px;
  user-select: none;
  cursor: pointer;
  transition: transform 0.3s;
}

.logo:hover {
  transform: scale(1.07) rotate(-2deg);
  color: #3C6E71;
}

.nav-links {
  list-style: none;
  display: flex;
}

.nav-links li {
  margin-left: 1.5rem;
}

.nav-links a {
  color: #D9D9D9;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  background: transparent;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #284B63;
  background: #FFFFFF;
  box-shadow: 0 4px 12px rgba(40,75,99,0.10);
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background: #D9D9D9;
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.4s;
}

.menu-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}


/* Hero Section */
.hero {
  background: #3C6E71;
  color: #FFFFFF;
  max-width: 900px;
  margin: 3rem auto 2rem auto;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(40,75,99,0.20);
  padding: 3rem 1.5rem;
  text-align: center;
  animation: fadeInScale 1.3s ease forwards;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: #FFFFFF;
  letter-spacing: 1px;
}

.hero p {
  font-size: 1.4rem;
  margin-bottom: 2.5rem;
  color: #D9D9D9;
}

/* Hero Button */
.hero .btn {
  background: #284B63;
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 0.9rem 2.4rem;
  border-radius: 28px;
  box-shadow: 0 6px 20px rgba(44,95,120,0.15);
  border: none;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
  margin-top: 1rem;
}

.hero .btn:hover {
  background: #3C6E71;
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(60,110,113,0.25);
  transform: scale(1.07);
}

/* Features Section */
.features {
  max-width: 1100px;
  margin: 2rem auto 4rem auto;
  padding: 0 1rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-box {
  flex: 1 1 280px;
  background: #FFFFFF;
  color: #284B63;
  padding: 2rem 2.5rem;
  border-radius: 22px;
  box-shadow: 0 8px 30px rgba(40,75,99,0.11);
  text-align: center;
  transition: transform 0.4s, box-shadow 0.4s;
  cursor: pointer;
  margin-bottom: 1rem;
}

.feature-box h2 {
  margin-bottom: 1.1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #3C6E71;
}

.feature-box p {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.feature-box:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 18px 40px #3C6E7155;
  background: #D9D9D9;
  color: #353535;
}

/* Footer */
footer {
  background: #284B63;
  color: #FFFFFF;
  text-align: center;
  padding: 2rem 1rem;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 -4px 15px rgba(40,75,99,0.13);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  user-select: none;
}

.footer-container p {
  margin: 0.4rem 0;
  letter-spacing: 0.03rem;
}

.footer-container span {
  font-size: 1.1rem;
  vertical-align: middle;
}

/* Contact Section */
.contact-section {
  background: #D9D9D9;
  color: #353535;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 0 15px #284B6322;
  max-width: 600px;
  margin: 2rem auto;
}

.contact-section form {
  display: flex;
  flex-direction: column;
}

.contact-section label {
  margin: 1rem 0 0.3rem 0;
  font-weight: 600;
}

.contact-section input,
.contact-section textarea {
  padding: 0.8rem;
  border: 1px solid #3C6E71;
  border-radius: 5px;
  font-size: 1rem;
  background: #FFFFFF;
  color: #353535;
  margin-bottom: 1.1rem;
  transition: box-shadow 0.3s;
  resize: vertical;
}

.contact-section textarea {
  min-height: 110px;
}

.contact-section input:focus,
.contact-section textarea:focus {
  box-shadow: 0 0 8px #3C6E7155;
  outline: none;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .navbar {
    padding: 0 1rem;
  }
  .hero {
    padding: 2.5rem 1rem;
    margin: 1.4rem 1rem;
  }
  .features {
    margin: 1.5rem 1rem 3rem 1rem;
    padding: 0 0.2rem;
    gap: 1.3rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: row;
    position: relative;
  }

  .menu-toggle {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    position: absolute;
    right: 0;
    top: 70px;
    width: 100%;
    background: #284B63;
    display: none;
  }
  .nav-links.nav-active {
    display: flex;
  }
  .nav-links li {
    margin: 0;
    padding: 0.9rem 1.5rem;
  }

  .hero {
    padding: 1.3rem 0.5rem;
    margin: 1.2rem 0.3rem;
  }
  .features {
    flex-direction: column;
    gap: 1.2rem;
  }
  .feature-box {
    margin-bottom: 1.5rem;
    padding: 1.3rem 0.7rem;
  }
  .footer {
    padding: 1.1rem 0.8rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0 0.5rem;
  }
  .logo {
    font-size: 1.3rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .feature-box h2 {
    font-size: 1.1rem;
  }
  .features {
    padding: 0;
    margin: 0.7rem 0.2rem;
  }
}
@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.89);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}