html {
    scroll-behavior: smooth;
}
:root {
    --bs-primary: #064f6e;
    --bs-accent: #f99d1b;
    --bs-accent-hover: #db830b;
    --bs-body-color: #1f2b37;
    --bs-body-bg: #f5ecc2;
    /*--bs-secondary-bg: #fbf8e9;*/
    --bs-secondary-bg: #fcfaef;
    --bs-link-color: #064f6e;
    --bs-link-hover-color: color-mix(in srgb, var(--bs-link-color), black 30%);
    --nav-height: 70px; /* Dynamic fallback */
}
body {
    font-family: 'IBM Plex Sans', sans-serif;
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* 
   Fix: The placeholder div wraps the navbar, which constrains 'position: sticky'.
   'display: contents' makes the wrapper invisible to the layout, 
   allowing the navbar to stick to the body.
*/
#navbar-placeholder,
#footer-placeholder {
    display: contents;
}

.navbar {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1030; /* High z-index to stay above transformed cards */
    background-color: var(--bs-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}
.card {
    background-color: var(--bs-secondary-bg);
    border: none;
    transition: transform 0.3s ease;
}

/* Shared class for secondary page headers (Blog, Services, About, etc.) */
.page-hero-secondary {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    background-color: color-mix(in srgb, var(--bs-primary), black 10%);
}

/* Tinted Hero Background for Homepage */
.hero-tinted {
    background-image: linear-gradient(
        color-mix(in srgb, var(--bs-primary), transparent 20%),
        color-mix(in srgb, var(--bs-primary), transparent 20%)),
        var(--hero-bg, url('https://images.unsplash.com/photo-1655635643617-72e0b62b9278?q=80&w=1600'));
    background-size: cover;
    background-position: center;
}
.card:hover {
    transform: translateY(-5px);
}
.card-body {
    display: flex;
    flex-direction: column;
    align-items: center; /* Shared alignment */
}
.card-body .btn {
    margin-top: auto;
}
/* Button Accents */
.btn-accent {
    background-color: var(--bs-accent);
    color: var(--bs-body-color);
    border: none;
}
/* Hover colour calculated by converting to HSL and applying ~10% reduction in Lightness */
.btn-accent:hover {
    background-color: var(--bs-accent-hover);
    color: var(--bs-body-color);
}
.btn-outline-accent {
    color: var(--bs-body-color);
    border-color: var(--bs-accent);
    background-color: transparent;
}
.btn-outline-accent:hover {
    background-color: var(--bs-accent);
    color: var(--bs-body-color);
    border-color: var(--bs-accent);
}
/* Blog Specific Overrides */
.blog-section .card-body {
    align-items: flex-start;
}
.blog-section .card:hover {
    transform: none;
}
#blog-posts-container, #all-posts-container {
    transition: opacity 0.4s ease-in-out;
}
/* Fix Navbar Overlap for all sections with IDs */
h2[id], h3[id] {
    scroll-margin-top: var(--nav-height); /* Dynamic offset based on navbar height */
}
/* Service Underline - Added via class */
.service-underline h3 {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 20px;
}
.service-underline h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 4px;
    background-color: var(--bs-accent);
    border-radius: 2px;
}

/* Add padding to the section container instead of the body to hide space below the footer */
.service-underline section.py-5 {
    padding-bottom: 50vh !important;
}

/* Contact Form Customisation */
.contact-card {
    background-color: var(--bs-body-bg);
}
.contact-card .form-control {
    background-color: var(--bs-secondary-bg);
}

body.about-page {
    background-color: var(--bs-secondary-bg);
}

#about-contact {
    background-color: var(--bs-secondary-bg);
}

.footer {
    background-color: var(--bs-secondary-bg);
    margin-top: auto;
}

/* Global Link and Blog Navigation Styling */
.btn-link, 
.back-link,
.blog-section a:not(.btn) {
    color: var(--bs-link-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease-in-out;
}

.btn-link:hover, 
.back-link:hover,
.blog-section a:not(.btn):hover {
    color: var(--bs-link-hover-color);
    text-decoration: underline;
}