/* Main Layout Styles */
/* ... (Keep previous generic styles, but adding new card styles below) ... */

body {
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px var(--shadow-dark), -2px -2px 4px var(--shadow-light);
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

nav a.active,
nav a:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.4);
    box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light);
}

/* Content Sections */
.content-section {
    padding: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h3 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--text-main);
}

/* Grids */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    /* Slightly wider for better card layout */
    gap: var(--spacing-xl);
}

/* CARDS RELOADED - EXPRESSIVE */
.resource-card {
    /* Base styles handled by .neu-card now */
}

/* Hover state is handled by .neu-card, but we can add specific inner interactions */
.resource-card:hover .logo-box {
    transform: scale(1.1) rotate(5deg);
}

.card-header-flex {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--surface-subtle);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--primary-color);
    font-size: 1.4rem;
    flex-shrink: 0;
    transition: transform 0.4s var(--ease-elastic);
}

.card-title-box {
    flex-grow: 1;
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 2px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.neu-divider {
    border: 0;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.06);
    margin: var(--spacing-md) 0;
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    /* Increased gap */
}

.card-expanded-content {
    animation: expandBounce 0.6s var(--ease-elastic);
    transform-origin: top center;
    margin-top: var(--spacing-md);
}

.card-expanded-content.closing {
    animation: collapseBounce 0.4s ease-in forwards;
}

.category-link {
    text-decoration: none;
    padding: 8px 16px;
    background: var(--surface-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.3s var(--ease-elastic);
    border: 1px solid transparent;
}

.category-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(217, 95, 24, 0.3);
}

/* Visibility */
.hidden {
    display: none;
}

/* Hero for Landing - Expressive */
.landing-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 85vh;
    text-align: center;
    background-image: radial-gradient(circle at 50% 50%, rgba(217, 95, 24, 0.05) 0%, transparent 70%);
}

.landing-hero h1 {
    font-size: 5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: bounceIn 1s var(--ease-elastic);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Citation Specifics */
.citation-container {
    max-width: 600px;
    margin: 0 auto;
}