/* CSS Reset & Variables */
:root {
    /* Fonts */
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-lg: 0.75rem;

    /* Cosmic Dust Default (Dark) */
    --dust-bg-color: #000000;
    --dust-color-white: #FFFFFF;
    --dust-color-green: #66FF66;
    --dust-color-purple: #9966FF;
}

/* DAY THEME (Brand: Purple & Green) */
body.light-theme {
    /* Clean White with Purple/Green Accents */
    --color-bg: #ffffff; 
    --color-surface: #f3f4f6; /* Light Gray for cards */
    --color-surface-hover: #e5e7eb; 
    --color-text-main: #2d0a31; /* Deep Purple (almost black) */
    --color-text-muted: #581c87; /* Muted Purple */
    --color-primary: #65a30d; /* Brand Green */
    --color-primary-hover: #4d7c0f; 
    --color-accent: #9333ea; /* Brand Purple */
    --color-border: #e2e8f0; 
    
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 15px rgba(101, 163, 13, 0.2); /* Subtle Green Glow */
    
    --bg-image: radial-gradient(circle at 100% 0%, rgba(147, 51, 234, 0.05) 0%, transparent 25%), radial-gradient(circle at 0% 100%, rgba(101, 163, 13, 0.05) 0%, transparent 25%);
    --bg-image: radial-gradient(circle at 100% 0%, rgba(147, 51, 234, 0.05) 0%, transparent 25%), radial-gradient(circle at 0% 100%, rgba(101, 163, 13, 0.05) 0%, transparent 25%);

    /* Cosmic Dust Light Theme override */
    --dust-bg-color: #FFFFFF;
    --dust-color-white: #333333;
    --dust-color-green: #00AA00;
    --dust-color-purple: #6600AA;
}

/* NIGHT THEME (Deep Forest/Earth) */
body.dark-theme {
    /* Deep Brown & Emerald Palette */
    --color-bg: #271c19; 
    --color-surface: rgba(67, 20, 7, 0.4); 
    --color-surface-hover: rgba(90, 40, 20, 0.5); 
    --color-text-main: #fefce8; 
    --color-text-muted: #e9d5ff; 
    --color-primary: #84cc16; /* Green */
    --color-primary-hover: #a3e635; /* Green Lighter */
    --color-accent: #a855f7; /* Purple */
    --color-border: rgba(168, 162, 158, 0.2); 

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.6);
    --shadow-glow: 0 0 20px rgba(132, 204, 22, 0.15); /* Green glow */
    
    --bg-image: radial-gradient(circle at 50% 0%, #3f2e27 0%, transparent 60%);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image: var(--bg-image);
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    line-height: 1.25;
}

h1 { font-size: 3rem; font-weight: 900; letter-spacing: -0.025em; margin-bottom: var(--spacing-sm); }
h2 { font-size: 2.25rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-xs); }

p { margin-bottom: var(--spacing-sm); color: var(--color-text-muted); }
a { text-decoration: none; color: inherit; transition: color 0.2s; }

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center { text-align: center; }

/* Header */
.site-header {
    background-color: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.05em;
}

.highlight { color: var(--color-primary); }

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    align-items: center;
}

.main-nav a:not(.btn) {
    font-weight: 500;
    color: var(--color-text-muted);
}

.main-nav a:not(.btn):hover { color: var(--color-text-main); }

/* Buttons */
.btn {
    display: inline-flex;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}
/* Adjust dark mode button text color */
body.dark-theme .btn-primary {
    color: #271c19; 
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}
body.light-theme .btn-primary:hover {
    box-shadow: 0 4px 6px -1px rgba(101, 163, 13, 0.3);
}
body.dark-theme .btn-primary:hover {
    box-shadow: 0 0 15px rgba(132, 204, 22, 0.4);
}


.btn-secondary {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    margin-left: var(--spacing-sm);
}

.btn-secondary:hover {
    background-color: var(--color-surface);
    border-color: var(--color-text-muted);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.overline {
    text-transform: uppercase;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-sm);
}
body.dark-theme .overline {
    text-shadow: 0 0 10px rgba(132, 204, 22, 0.3);
}


.hero .lead {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Featured Section */
.featured-posts {
    padding: var(--spacing-xl) 0;
}

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

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(8px);
    cursor: pointer; /* Make entire card clickable */
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-surface-hover);
}
body.dark-theme .card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(132, 204, 22, 0.3);
}

.card-image {
    height: 200px;
    width: 100%;
    transition: opacity 0.3s;
}
body.dark-theme .card-image {
    opacity: 0.9;
}
body.dark-theme .card:hover .card-image { opacity: 1; }

.card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.read-more {
    margin-top: auto;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
}

.read-more:hover { text-decoration: underline; color: var(--color-primary-hover); }

/* Subscribe Section */
.subscribe-section {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    /* Dynamic gradient */
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
    transition: background 0.5s ease;
}

body.light-theme .subscribe-section {
    background: linear-gradient(135deg, #ecfccb 0%, #d9f99d 100%); 
}

body.dark-theme .subscribe-section {
    background: linear-gradient(135deg, rgba(63, 46, 39, 0.5) 0%, rgba(39, 28, 25, 0.8) 100%);
}
body.dark-theme .subscribe-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(132, 204, 22, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.subscribe-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-surface);
    backdrop-filter: blur(12px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transition: background-color 0.5s ease;
}

.subscribe-form {
    margin-top: var(--spacing-md);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--color-text-main);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-main);
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(132, 204, 22, 0.2);
    background-color: var(--color-surface);
}

.btn-submit {
    width: 100%;
    background-color: var(--color-text-main);
    color: var(--color-bg);
    padding: 1rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-submit:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
body.dark-theme .btn-submit:hover {
    background-color: #fef3c7; /* Cream */
    color: #271c19;
    box-shadow: 0 4px 12px rgba(254, 243, 199, 0.2);
}

.form-note {
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
}

/* Footer */
.site-footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: 0;
    background-color: var(--color-bg);
    transition: background-color 0.5s ease;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    margin-left: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-links a:hover { color: var(--color-text-main); }

.social-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease, color 0.2s ease;
}

a:hover .social-icon {
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: var(--color-surface); /* Uses variable, so it fits theme */
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
    backdrop-filter: blur(8px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

/* Icon visibility */
.theme-toggle .moon-icon { display: none; }
.theme-toggle .sun-icon { display: block; }

body.dark-theme .theme-toggle .moon-icon { display: block; }
body.dark-theme .theme-toggle .sun-icon { display: none; }


/* MODAL STYLES */
dialog.modal {
    border: none;
    border-radius: var(--radius-lg);
    padding: 0;
    background: var(--color-bg); /* Use theme bg */
    color: var(--color-text-main);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    max-width: 600px;
    width: 90%;
    z-index: 2000;
    margin: auto;
}

dialog.modal::backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    padding: var(--spacing-lg);
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--color-border);
}

.close-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--color-text-main);
}

#modalTitle {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

#modalBody {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* Animation */
.modal[open] {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem; /* Reduce vertical spacing */
    }

    h1 { font-size: 2rem; }
    
    .site-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav { 
        display: block; /* Show nav! */
        width: 100%;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    .hero-actions { 
        display: flex; 
        flex-direction: column; 
        gap: var(--spacing-sm); 
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-secondary { margin-left: 0; }
    
    /* Ensure modal fits */
    dialog.modal {
        width: 95%;
        max-height: 90vh;
    }
}

/* Like Button Styles */
.like-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 0.75rem 2rem;
    border-radius: 2rem; /* Pill shape */
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.like-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: var(--color-primary-hover);
    color: var(--color-primary);
}

.heart-icon {
    transition: fill 0.3s ease, transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Particle Effects */
.like-particle {
    position: fixed;
    pointer-events: none;
    z-index: 2000;
    font-size: 1.2rem;
    animation: particleFloat 1s forwards;
}

@keyframes particleFloat {
    0% {
        transform: translate(0, 0) scale(0.5);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}

.btn-liked {
    border-color: #ef4444 !important;
    color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    animation: buttonPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes buttonPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.btn-liked .heart-icon {
    fill: #ef4444;
    stroke: #ef4444;
    transform: scale(1.1);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Article Content Styles */
.article-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.article-table th, 
.article-table td {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

.article-table th {
    background-color: var(--color-surface-hover);
    font-weight: 600;
    color: var(--color-primary);
}

.article-table tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}
body.dark-theme .article-table tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.03);
}

/* Note Taking & Highlighting */
::selection {
    background-color: var(--color-primary-hover);
    color: white;
}

.user-highlight {
    background-color: #fde047; /* Yellow-300 */
    color: black;
    cursor: pointer;
    border-bottom: 2px solid #eab308;
    position: relative;
}

/* Interaction Toolbar */
.selection-toolbar {
    position: absolute;
    display: flex;
    gap: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 6px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    pointer-events: auto;
    animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toolbar-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.toolbar-btn:hover {
    filter: brightness(1.1);
}

.toolbar-btn.btn-note {
    background: var(--color-accent);
}

/* User Highlights & Notes */
.user-highlight {
    background-color: rgba(255, 255, 0, 0.4); 
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: 2px;
}
.dark-theme .user-highlight {
    background-color: rgba(255, 255, 0, 0.25);
    color: white;
}

.user-note {
    background-color: rgba(59, 130, 246, 0.3);
    border-bottom: 2px solid var(--color-accent);
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: 2px;
}

.user-highlight:hover, .user-note:hover {
    filter: brightness(0.9);
}

/* Edit/Undo Menu */
.interaction-menu {
    position: absolute;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    padding: 8px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
    animation: fadeIn 0.15s ease-out;
}

.menu-item {
    padding: 6px 10px;
    font-size: 0.9rem;
    color: var(--color-text-main);
    cursor: pointer;
    border-radius: 4px;
    text-align: left;
    background: none;
    border: none;
    transition: background 0.1s;
}

.menu-item:hover {
    background-color: var(--color-surface-hover);
}

.menu-item.danger {
    color: #ef4444;
}
.menu-item.danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

@keyframes popIn {
    from { opacity: 0; transform: translate(-50%, -100%) scale(0.8); }
    to { opacity: 1; transform: translate(-50%, -120%) scale(1); }
}

/* Team Section */
.team-section {
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    cursor: pointer; /* Indicates clickability */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.team-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(4px);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.team-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
    border: 3px solid var(--color-primary);
    background-color: var(--color-surface-hover);
}

.team-bio {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.team-socials {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.team-social-icon {
    color: var(--color-text-muted);
    transition: color 0.2s, transform 0.2s;
}

/* Language Toggle */
.lang-toggle {
    position: fixed;
    bottom: 5.5rem; /* Above theme toggle */
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: var(--color-surface);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    z-index: 99;
    backdrop-filter: blur(4px);
}

/* Spotlight Section */
.spotlight-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-surface), var(--color-background));
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.spotlight-content {
    max-width: 700px;
    margin: 0 auto;
}

.spotlight-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding: 0.25rem 0.75rem;
    background-color: rgba(var(--color-primary-rgb), 0.1); /* Fallback or specialized var needed if RGB not defined, using simpler approach */
    background-color: var(--color-surface-hover);
    border-radius: 2rem;
    border: 1px solid var(--color-border);
}

.spotlight-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

.spotlight-section p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ========================================
   INTERACTIVE FEATURES CSS
   ======================================== */

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

body.dark-theme .ripple {
    background: rgba(132, 204, 22, 0.4);
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Floating Animation for Particles */
@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(-10px) translateX(-10px);
    }
    75% {
        transform: translateY(-30px) translateX(5px);
    }
}

/* Smooth transitions for all interactive elements */
.card, .team-card, .btn {
    will-change: transform;
}

/* Enhanced card hover with glow */
body.dark-theme .card:hover,
body.dark-theme .team-card:hover {
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(132, 204, 22, 0.2);
}

/* Pulse animation for primary buttons */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(132, 204, 22, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(132, 204, 22, 0);
    }
}

.btn-primary:focus {
    animation: pulse 1.5s infinite;
}

/* Gradient text animation */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Shake animation for errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Fade in animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal class */
.scroll-reveal {
    animation: fadeInUp 0.6s ease-out;
}


/* === Content Toolbar / Sidebar === */
.content-menu-btn {
    background: none;
    color: var(--color-primary);
    border: 2px solid var(--color-primary); /* Add border for visibility/structure */
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex; /* Use inline-flex to respect container flow */
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.content-menu-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

.content-menu-btn svg {
    width: 24px;
    height: 24px;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: var(--color-bg);
    box-shadow: 5px 0 15px rgba(0,0,0,0.1);
    z-index: 2001; /* Above button */
    transition: left 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    border-left: none;
}

.sidebar.open {
    left: 0;
    right: auto;
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.sidebar-header h3 {
    margin: 0;
    color: var(--color-text-main);
    font-family: 'Quicksand', sans-serif;
}

.close-sidebar-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    line-height: 1;
}

.sidebar-content {
    padding: 1.5rem;
    overflow-y: auto;
    flex-grow: 1;
}

.sidebar-nav h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.sidebar-nav h4:first-child {
    margin-top: 0;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 0.75rem;
}

.sidebar-link {
    text-decoration: none;
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 1.05rem;
    transition: color 0.2s;
    display: block;
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.sidebar-link:hover {
    color: var(--color-primary);
    background: var(--color-surface-hover);
    padding-left: 0.75rem; /* Slide effect */
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.open, .sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* Sidebar Container & Logic */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--color-bg);
    border-right: 1px solid var(--color-border);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2100;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

.sidebar-header h3 { margin: 0; }

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* Menu Button */
.content-menu-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    cursor: pointer;
    color: var(--color-text-main);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.content-menu-btn:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    color: var(--color-primary);
}

.close-sidebar-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.close-sidebar-btn:hover { color: var(--color-text-main); }