/* ============================================================
   antonnicholas.org.uk — Shared Stylesheet
   
   Each page provides its own :root {} colour variables:
     --primary, --accent, --highlight, --bg, --card-bg, --link-color
   
   Page-specific overrides (container layout, header style,
   nav grid-column, footer grid-column) stay inline per page.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;600&display=swap');

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

/* ── Base typography ── */
body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--primary);
    line-height: 1.8;
}

p {
    margin-bottom: 1em;
}

/* ── Navigation ── */
nav {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    align-items: center;
}

nav ul li {
    position: relative;
}

nav ul li a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    padding: 10px 20px;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--highlight);
}

nav .main-pages:hover .sub-nav {
    display: flex;
}

nav .sub-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 15px;
    flex-direction: row;
    gap: 20px;
    z-index: 10;
}

nav .sub-nav a {
    font-size: 1rem;
    padding: 10px;
    white-space: nowrap;
}

/* ── Accordion sections ── */
.section {
    margin-bottom: 40px;
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.section:hover {
    transform: translateY(-5px);
}

.section-preview {
    display: flex;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background: linear-gradient(to right, var(--primary), var(--accent));
    color: #fff;
}

.section-preview:hover {
    background: linear-gradient(to right, var(--accent), var(--primary));
}

.section-preview h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.section-content {
    padding: 30px;
    display: none;
    animation: fadeIn 0.5s ease;
}

.section-content.active {
    display: block;
}

/* ── Highlight spans ── */
.highlight {
    padding: 5px 10px;
    border-radius: 5px;
}

/* ── Media ── */
iframe,
audio {
    max-width: 100%;
    margin: 20px 0;
}

/* ── Hero image (profile pages) ── */
.hero-image {
    max-width: 300px;
    border-radius: 50%;
    border: 8px solid #fff;
    margin-top: 20px;
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
}

/* ── Legacy section (profile pages) ── */
.legacy-section {
    margin-top: 60px;
    padding: 40px;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.legacy-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
}

.legacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.legacy-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.legacy-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.legacy-card img {
    max-width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* ── Footer (secondary .footer class) ── */
.footer {
    background: var(--primary);
    color: #fff;
    padding: 40px;
    text-align: center;
    margin-top: 40px;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 900px) {
    nav ul {
        flex-direction: column;
        gap: 20px;
    }

    nav .sub-nav {
        position: static;
        display: none;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        box-shadow: none;
        padding: 10px 0;
    }

    nav .main-pages:hover .sub-nav {
        display: flex;
    }

    .hero-image {
        max-width: 200px;
    }

    header h1 {
        font-size: 2rem;
    }

    .section-preview img {
        width: 80px;
        height: 80px;
    }
}