/* ========================================
   E-BOOKS PILLAR PAGE - EDITORIAL STYLE
   Refactoring - Mobile First
   ======================================== */

/* ===== HERO SECTION ===== */
.ebooks-hero {
    padding: var(--space-12) 0 var(--space-8);
    background: var(--color-bg-soft);
    text-align: center;
}

.ebooks-hero h1 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.ebooks-hero .hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--leading-relaxed);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

.breadcrumb a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: var(--transition-colors);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

/* ===== CATEGORY SECTIONS ===== */
.ebooks-container {
    background: var(--color-bg-default);
}

.ebook-category {
    padding: var(--space-10) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.ebook-category:last-child {
    border-bottom: none;
}

.category-header {
    text-align: center; /* Mobile: Center */
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.category-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.category-desc {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ===== CARDS GRID ===== */
.ebooks-grid {
    display: grid;
    grid-template-columns: 1fr; /* Mobile: 1 col */
    gap: var(--space-8);
    padding: 0 var(--space-4);
}

/* Desktop: 2 or 3 cols based on content */
@media (min-width: 768px) {
    .ebooks-hero h1 {
        font-size: var(--text-5xl);
    }

    .category-header {
        text-align: left; /* Desktop: Left aligned editorial feel */
        margin-bottom: var(--space-6);
    }

    .ebooks-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-8);
        padding: 0;
    }
}

@media (min-width: 1024px) {
    .ebooks-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }
}

/* ===== EBOOK CARD (Editorial Style) ===== */
.ebook-card-link {
    text-decoration: none;
    display: block;
    group: transition;
}

.ebook-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform var(--duration-base) var(--ease-out);
}

.ebook-card:hover {
    transform: translateY(-4px);
}

/* Image Container */
.card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 3/2; /* Magazine/Editorial Landscape */
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    background-color: var(--color-bg-muted);
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.ebook-card:hover .card-image-wrapper img {
    transform: scale(1.05); /* Subtle zoom on hover */
}

/* Content */
.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.card-desc {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2; /* Limit to 2 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-cta {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: auto; /* Push to bottom */
}

.card-cta svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-fast) var(--ease-out);
}

.ebook-card:hover .card-cta svg {
    transform: translateX(4px);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0; /* Start hidden */
}

/* Stagger Delays */
.delay-100 {
    animation-delay: 100ms;
}
.delay-200 {
    animation-delay: 200ms;
}
.delay-300 {
    animation-delay: 300ms;
}

/* ===== SECTION: HOW TO USE ===== */
.ebooks-how-to-use {
    background: var(--color-accent-soft);
    padding: var(--space-16) 0;
    margin-top: var(--space-12);
}

.ebooks-how-to-use h2 {
    text-align: center;
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    color: var(--color-accent-strong);
    margin-bottom: var(--space-10);
}

.how-to-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .how-to-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.how-to-item {
    text-align: center;
    padding: var(--space-6);
}

.how-to-number {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    margin-bottom: var(--space-4);
}

.how-to-item h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-accent-strong);
    margin-bottom: var(--space-2);
}

/* ===== CONNECTION SECTION ===== */
.ebooks-connection {
    padding: var(--space-16) 0;
    text-align: center;
    background: white;
}

.ebooks-connection h2 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
}

.connection-text {
    max-width: 700px;
    margin: 0 auto var(--space-4);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}