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

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

body {
    font-family: 'Roboto', -apple-system, 'Helvetica Neue', sans-serif;
    line-height: 1.7;
    color: #333;
    background-color: #f5f7fa;
}

header {
    background: linear-gradient(135deg, #0d6e6e 0%, #1a8a8a 100%);
    padding: 1.2rem 0;
    box-shadow: 0 4px 12px rgba(13, 110, 110, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

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: #fff;
    letter-spacing: 0.5px;
}

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

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #90ee90;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

section {
    margin-bottom: 3rem;
    padding: 2rem 0;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #0d6e6e;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1a8a8a;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #90ee90;
    padding-bottom: 0.8rem;
    display: inline-block;
}

h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0d6e6e;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.2rem;
}

p.tagline {
    font-size: 1.3rem;
    color: #0d6e6e;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

#page-header,
#hero {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(13, 110, 110, 0.08) 0%, rgba(144, 238, 144, 0.08) 100%);
    border-radius: 8px;
    margin-bottom: 3rem;
    border: 1px solid #e0f0f0;
}

.card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.contact-details {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #0d6e6e;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin: 2rem 0;
}

.contact-details strong {
    color: #0d6e6e;
}

form {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin: 2rem 0;
}

fieldset {
    border: none;
    padding: 1.5rem 0;
    margin-bottom: 1.5rem;
}

legend {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0d6e6e;
    margin-bottom: 1rem;
}

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

label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: #0d6e6e;
    box-shadow: 0 0 0 3px rgba(13, 110, 110, 0.1);
}

button,
input[type="submit"] {
    background: linear-gradient(135deg, #0d6e6e 0%, #1a8a8a 100%);
    color: #fff;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover,
input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(13, 110, 110, 0.3);
}

a {
    color: #0d6e6e;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

a:hover {
    color: #1a8a8a;
}

footer {
    background-color: #0d6e6e;
    color: #fff;
    padding: 2.5rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

footer p {
    margin-bottom: 0.7rem;
    color: #e0e0e0;
}

footer a {
    color: #90ee90;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    nav ul {
        gap: 1.5rem;
        font-size: 0.9rem;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
}

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