/* RESET & BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Urbanist', sans-serif;
  line-height: 1.6;
  background-color: #f0f8ff;
  color: #333;
}

/* LAYOUT */
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 5px 20px;
}

/* HEADER */
header {
  background: #0077b6;
  color: white;
  padding: 10px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  vertical-align: middle;
  height: 60px;
}

/* NAV */
nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.3s ease;
}

nav ul li a:hover {
  opacity: 0.8;
}

/* HERO */
.hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.9)),
              url('images/banner.png') no-repeat center center/cover;
  height: 90vh;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.hero-content h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
}

.btn {
  background: #00b4d8;
  color: white;
  padding: 12px 25px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #0096c7;
}

/* SECTION */
.section {
  padding: 60px 0;
}

.section-title {
  font-size: 32px;
  margin-bottom: 20px;
  text-align: center;
}

.section-text {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-size: 18px;
  line-height: 1.8;
}

.bg-light {
  background-color: #e0f7fa;
}

/* CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

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

.card h3 {
  margin-bottom: 15px;
  color: #0077b6;
}

/* CONTACT */
.contact-info {
  list-style: none;
  text-align: center;
  margin-top: 30px;
}

.contact-info li {
  margin-bottom: 10px;
  font-size: 18px;
}

/* FOOTER */
footer {
  background: #023e8a;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

/* HAMBURGER MENU */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: white;
  border-radius: 3px;
  transition: all 0.3s ease;
}

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

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

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

/* RESPONSIVE */
@media (max-width: 768px) {
  header {
    position: relative;
  }

  .menu-toggle {
    display: flex;
    position: absolute;
    right: 20px;
    top: 20px;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #0077b6;
    width: 100%;
    padding: 10px 0;
    z-index: 1000;
    border-top: 1px solid rgba(255,255,255,0.2);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  nav ul li a {
    display: block;
    padding: 10px 20px;
    color: white;
    text-align: center;
    width: 100%;
    font-size: 18px;
  }

  .header-inner {
    position: relative;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    z-index: 1001;
  }

  .menu-toggle span {
    background: white;
    height: 3px;
    width: 25px;
    border-radius: 2px;
    transition: 0.3s;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

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

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