body {
  font-family: 'Roboto', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #f5f5f5 60%, #e3e6ea 100%);
}

header {
  background: #232f3e;
  color: white;
  padding-bottom: 0;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.hero {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #232f3e;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  position: absolute;
  top: 0;
  left: 0;
}
.hero-text {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
}
.hero-text h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.hero-text p {
  font-size: 1.2rem;
  font-weight: 400;
}
nav a {
  margin: 0 1rem;
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
}
nav a i {
  margin-right: 0.4em;
}
nav a:hover {
  color: #ff9900;
}
section {
  background: white;
  margin: 2rem auto;
  padding: 2rem 1.5rem;
  max-width: 650px;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
button {
  background: #ff9900;
  border: none;
  padding: 0.8rem 2rem;
  color: white;
  font-size: 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255,153,0,0.12);
  transition: background 0.2s, transform 0.2s;
}
button:hover {
  background: #e68a00;
  transform: translateY(-2px) scale(1.04);
}
ul {
  padding-left: 1.2em;
}
li {
  margin-bottom: 0.7em;
  font-size: 1.05em;
}
li a {
  color: #232f3e;
  text-decoration: none;
  transition: color 0.2s;
}
li a:hover {
  color: #ff9900;
  text-decoration: underline;
}
footer {
  background: #232f3e;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  margin-top: 2rem;
  border-top-left-radius: 14px;
  border-top-right-radius: 14px;
}
.social {
  margin-top: 0.7em;
}
.social a {
  color: #fff;
  margin: 0 0.5em;
  font-size: 1.3em;
  transition: color 0.2s;
}
.social a:hover {
  color: #ff9900;
}