:root {
    --brand-cyan: #49CBCD;
    --brand-cyan-hover: #45BDBE;
    --brand-dark: #485460;
    --brand-gray: #f8f9fa;
    --book-columns: 4;
}

/* Base Styles */
html { scroll-behavior: smooth; }
body {
    font-family: 'Open Sans', sans-serif;
    color: var(--brand-dark);
    overflow-x: hidden;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.navbar { background-color: #ffffff !important; }
.nav-link { color: #000000 !important; transition: color 0.3s; }
.nav-link:hover { color: var(--brand-cyan) !important; }

.hero-section {
    position: relative;
    height: calc(var(--vh, 1vh) * 100);
    background: url('../gfx/bg.png') center center/cover no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-bordered {
    color: #ffffff !important;
    -webkit-text-stroke: 1.5px #000000;
    paint-order: stroke fill;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.4);
}

.slide-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

body.js-enabled .slide-in:not(.visible) {
    opacity: 0;
    transform: translateY(20px);
}

body.js-enabled .slide-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.dynamic-grid {
    display: grid;
    grid-template-columns: repeat(var(--book-columns), 1fr);
    gap: 1.5rem;
}

.book-card {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

.book-cover {
    aspect-ratio: 1 / 1.5;
    object-fit: cover;
    width: 100%;
    display: block;
}

.dynamic-grid .grid-item.hidden-row {
    display: none !important;
}

.img-placeholder {
    width: 100%;
    background-color: #eeeeee;
    display: flex;
    align-items: center;
    justify-content: center;
}
.book-placeholder { aspect-ratio: 1 / 1.5; }
.blog-placeholder { aspect-ratio: 16 / 9; }

.img-placeholder img {
    max-width: 50%;
    max-height: 50%;
    object-fit: contain;
    opacity: 0.4;
}

.nav-pills .nav-link.active {
    background-color: var(--brand-cyan) !important;
    color: #ffffff !important;
}

.nav-pills .nav-link { color: var(--brand-dark); }

.brand-btn { background-color: var(--brand-cyan); border-color: var(--brand-cyan); color: #fff; }
.brand-btn:hover { background-color: var(--brand-cyan-hover); color: #fff; }

.read-more-btn { color: var(--brand-cyan) !important; font-weight: 600; padding-left: 0; }

.blog-card-text {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card.expanded .blog-card-text { -webkit-line-clamp: unset; }

/* MOBILE ADJUSTMENTS (iOS & General Mobile) */
@media (max-width: 768px) {
    /* 2 books per row for smaller appearance */
    .dynamic-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem;
    }

    /* Smaller text for book titles */
    .book-card .card-title {
        font-size: 0.85rem !important;
        margin-bottom: 0;
    }

    /* Smaller Blog Posts */
    .blog-card .blog-img-wrapper {
        height: 140px !important; /* Reduced from default */
    }

    .blog-card .card-title {
        font-size: 1rem;
    }

    .blog-card .card-body {
        padding: 0.75rem;
    }

    .blog-card-text, .read-more-btn {
        font-size: 0.85rem;
    }

    .hero-section h1 { font-size: 2.2rem; }
    .hero-section p { font-size: 1.1rem; }
}

/* Footer Styles */
.footer-bar {
    font-size: 0.75rem; /* Extremely narrow/small text */
}

.footer-link {
    color: var(--brand-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--brand-cyan);
    text-decoration: underline;
}

/* Ensure the main content doesn't get hidden behind the sticky navbar or footer */
.spa-container {
    min-height: calc(100vh - 120px); /* Adjust based on nav + footer height */
}