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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Georgia', serif;
    line-height: 1.75;
    color: #3a3a3a;
    background-color: #f5f5f5;
}

header {
    background-color: #0f4c5c;
    padding: 1.5rem 0;
    box-shadow: 0 3px 8px rgba(0,0,0,0.18);
}

header nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: #e8e8e8;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav a {
    color: #c9c9c9;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #e8e8e8;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3.5rem 2rem;
}

section {
    margin-bottom: 3.5rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid #d5d5d5;
}

section:last-child {
    border-bottom: none;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #0f4c5c;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1a4d52;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #5a8fa8;
    padding-bottom: 0.8rem;
}

h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f4c5c;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

p {
    font-size: 1rem;
    line-height: 1.9;
    color: #4a4a4a;
    margin-bottom: 1.2rem;
}

p.tagline {
    font-size: 1.2rem;
    color: #0f4c5c;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

#page-header,
#hero {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #0f4c5c 0%, #1a6578 100%);
    color: #e8e8e8;
    border-radius: 0;
    margin-bottom: 3rem;
}

#page-header h1,
#hero h1 {
    color: #e8e8e8;
}

#page-header p,
#hero p {
    color: #d0d0d0;
}

.contact-details {
    background-color: #e8e8e8;
    padding: 2rem;
    border-radius: 0;
    border-left: 4px solid #0f4c5c;
    margin: 2rem 0;
}

.contact-details strong {
    color: #0f4c5c;
    font-weight: 700;
}

form {
    background-color: #f0f0f0;
    padding: 2.5rem;
    border-radius: 0;
    margin: 2rem 0;
}

fieldset {
    border: 1px solid #d0d0d0;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

legend {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f4c5c;
    padding: 0 0.5rem;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid #c9c9c9;
    border-radius: 0;
    font-family: inherit;
    font-size: 1rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: #0f4c5c;
    box-shadow: 0 0 0 2px rgba(15, 76, 92, 0.1);
}

button,
input[type="submit"] {
    background-color: #0f4c5c;
    color: #e8e8e8;
    padding: 0.9rem 2.5rem;
    border: none;
    border-radius: 0;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

button:hover,
input[type="submit"]:hover {
    background-color: #1a6578;
}

a {
    color: #0f4c5c;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1a6578;
    text-decoration: underline;
}

footer {
    background-color: #0f4c5c;
    color: #c9c9c9;
    padding: 2.5rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

footer p {
    margin-bottom: 0.6rem;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}

footer a {
    color: #a8c9d9;
    text-decoration: none;
}

footer a:hover {
    color: #e8e8e8;
}

@media (max-width: 768px) {
    nav ul {
        gap: 1.5rem;
        font-size: 0.85rem;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    h2 {
        font-size: 1.2rem;
    }
}