:root {
    --primary: #4a7c59;
    --primary-dark: #3d5a3b;
    --primary-focus: #7bb977;
    --bg-light: #e8f1ec;
    --header-text: #6b5f4a;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #fafafa;
    color: #333;
}

/* NAVBAR */
.navbar-colour {
    background-color: var(--primary) !important;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(
        color-mix(in srgb, var(--primary) 75%, transparent),
        color-mix(in srgb, var(--primary) 75%, transparent)
    ),
    url('assets/images/header.jpg') center/cover no-repeat;
    color: white;
    padding: 8rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-top: 1rem;
}

/* SECTION TITLES */
.section-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 600;
}

/* OFFER CARDS */
.offer-card {
    background-color: var(--bg-light);
    border: none;
    border-left: 5px solid var(--primary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.offer-card h4 {
    color: var(--header-text);
    font-weight: 600;
}

/* INFO SECTIONS */
.info-section {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    border-left: 5px solid var(--primary);
}

.info-section h3 {
    color: var(--header-text);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* FOOTER */
footer {
    background-color: var(--primary);
    color: white;
    padding: 1.5rem;
    text-align: center;
    margin-top: 3rem;
}


.course-header {
    background-color: var(--bg-light); /* light background */
    color: var(--primary); /* primary colour text */
    border-left: 5px solid var(--primary);
    border-radius: 8px;
}

.course-title {
    font-size: 2.5rem;
    font-weight: 700;
}

.course-subtitle {
    font-size: 1.25rem;
    margin-top: 0.5rem;
    color: var(--header-text);
}

.card-img-small {
    max-height: 200px;
    object-fit: cover; 
}

form.bg-white {
    border: 2px solid var(--primary); /* primary border */
}

form.bg-white .form-control {
    border: 1.5px solid var(--primary);
    border-radius: 5px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

form.bg-white .form-control:focus {
    border-color: var(--primary-focus); /* lighter primary on focus */
    box-shadow: 0 0 5px rgba(123, 185, 119, 0.5);
}

form.bg-white .btn-success {
    background-color: var(--primary); 
    border-color: var(--primary);
    transition: background-color 0.3s, border-color 0.3s;
}

form.bg-white .btn-success:hover {
    background-color: var(--primary-focus); /* lighter hover */
    border-color: var(--primary-focus);
}

/* Section headings */
h2 {
    color: var(--primary-dark); /*dark primary for headings */
    margin-top: 2rem;
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-focus);
    text-decoration: underline;
}


img.rounded-circle {
    border: 4px solid var(--primary, --bg-light);
}



@media (max-width: 767px) {
    .offer-card {
        width: 100%;
        margin-bottom: 1rem;
    }
}