:root {
    --color-blue: #2b53ae;
    --color-purple: #673ab5;
    --color-magenta: #c634e8;
    --color-pink: #dc7ba9;
    --color-yellow: #f5c84a;
    
    --bg-color: #f4f4f4;
    --text-color: #333;
    --card-bg: white;
    --header-bg: white;
    --shadow-color: rgba(0,0,0,0.1);

    --font-heading: 'Gagalin', sans-serif;
    --font-body: 'HK Grotesk', sans-serif;
}

[data-theme="dark"] {
    --bg-color: #1a1a2e;
    --text-color: #e0e0e0;
    --card-bg: #16213e;
    --header-bg: #0f3460;
    --shadow-color: rgba(0,0,0,0.3);
    --color-blue: #4e73df; /* Lighter blue for dark mode */
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

#scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-magenta);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    z-index: 1000;
}

#scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

#scroll-top:hover {
    transform: translateY(-5px);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-blue);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: var(--header-bg);
    padding: 1rem 0;
    box-shadow: 0 4px 6px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s;
}

/* ... (nav styles unchanged) ... */

.pillar {
    background: var(--card-bg);
    /* ... */
}

.card {
    background: var(--card-bg);
    /* ... */
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1rem; /* Reduced from 2rem */
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--color-blue);
    font-family: var(--font-heading);
    font-size: 0.9rem; /* Reduced from 1.2rem */
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    padding: 0.5rem 0.5rem; /* Reduced padding */
    border-radius: 5px;
    white-space: nowrap; /* Prevent wrapping */
}

nav a:hover {
    background-color: var(--color-blue);
    color: var(--color-yellow);
    transform: translateY(-2px);
}

.hero {
    background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    border-radius: 0 0 50% 50% / 40px;
    margin-bottom: 3rem;
}

.hero h1 {
    color: var(--color-yellow);
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 1rem;
}

.pillars {
    text-align: center;
    padding: 2rem 0;
}

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pillar {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease, background-color 0.3s;
    border-top: 5px solid var(--color-magenta);
}

.pillar:hover {
    transform: translateY(-10px);
}

.pillar h3 {
    color: var(--color-purple);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

footer {
    background: var(--color-blue);
    color: white;
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 5px solid var(--color-yellow);
}

/* Components */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-size: 1rem;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--color-magenta);
    color: white;
    box-shadow: 0 4px 0 #a020c0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #a020c0;
}

.btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #a020c0;
}

.btn-secondary {
    background-color: var(--color-yellow);
    color: var(--color-blue);
    box-shadow: 0 4px 0 #d4a830;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #d4a830;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
    margin-bottom: 2rem;
    transition: background-color 0.3s;
}

.card ul {
    list-style: none;
    padding-left: 1rem;
    margin-top: 1rem;
}

.card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.card li::before {
    content: "■";
    color: var(--color-magenta);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.8rem;
    line-height: 1.8;
}

.card li ul {
    margin-top: 0.5rem;
}

.card li ul li::before {
    content: "▫";
    color: var(--color-blue);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--color-blue);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
/* Simulator Styles */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 10px;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    font-family: var(--font-heading);
}

.stat-value.critical { color: #e74c3c; }
.stat-value.low { color: #e67e22; }
.stat-value.good { color: #27ae60; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.action-card h3 {
    margin-bottom: 0.5rem;
}

.action-card .cost {
    font-weight: bold;
    color: var(--color-magenta);
    margin-bottom: 0.5rem;
}

.action-card .effect {
    font-size: 0.9rem;
    color: #666;
    margin: 1rem 0;
    font-style: italic;
}

[data-theme="dark"] .action-card .effect {
    color: #aaa;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    max-width: 500px;
    text-align: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Comparison Styles */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

.model-block {
    padding: 1.5rem;
    border-radius: 10px;
    transition: background-color 0.3s, color 0.3s;
}

.model-block ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

/* Light Mode Defaults */
.model-goliath {
    background: #ffebee;
    color: #333;
}

.model-goliath h3 {
    color: #c62828;
}

.model-david {
    background: #e8f5e9;
    color: #333;
}

.model-david h3 {
    color: #2e7d32;
}

/* Dark Mode Overrides */
[data-theme="dark"] .model-goliath {
    background: #3e2723; /* Darker red/brown */
    color: #e0e0e0;
}

[data-theme="dark"] .model-goliath h3 {
    color: #ffcdd2; /* Lighter red */
}

[data-theme="dark"] .model-david {
    background: #1b5e20; /* Darker green */
    color: #e0e0e0;
}

[data-theme="dark"] .model-david h3 {
    color: #c8e6c9; /* Lighter green */
}

/* Dark Mode Nav Fix */
[data-theme="dark"] nav a {
    color: white !important;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-blue);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    #main-nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--header-bg);
        box-shadow: 0 4px 6px var(--shadow-color);
        padding: 1rem;
    }

    #main-nav.open {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .container {
        width: 95%;
        padding: 10px;
    }
}

/* Retro Mode Styles */
/* Retro Mode Styles */
[data-theme="retro"] {
    --bg-color: #0d0015; /* Very dark purple/black */
    --text-color: #c634e8; /* Bright Magenta (Primary Text) */
    --card-bg: #1a0525; /* Dark Purple Background */
    --header-bg: #0d0015;
    --shadow-color: #673ab5; /* Deep Purple (Shadows) */
    
    /* Override standard colors for retro feel */
    --color-blue: #c634e8;
    --color-purple: #673ab5;
    --color-magenta: #dc7ba9; /* Pink Accent */
    --color-pink: #dc7ba9;
    --color-yellow: #dc7ba9; /* Replace yellow with pink for consistency */
    
    --font-heading: 'Courier New', Courier, monospace;
    --font-body: 'Courier New', Courier, monospace;
}

[data-theme="retro"] body {
    text-shadow: 0 0 2px #673ab5;
}

[data-theme="retro"] .card, 
[data-theme="retro"] header, 
[data-theme="retro"] nav a,
[data-theme="retro"] .btn,
[data-theme="retro"] select {
    border: 2px solid #673ab5; /* Deep Purple Border */
    border-radius: 0;
    box-shadow: 4px 4px 0 #c634e8; /* Magenta Shadow */
    color: #c634e8;
}

[data-theme="retro"] .btn {
    color: black;
}

[data-theme="retro"] .btn:hover,
[data-theme="retro"] nav a:hover {
    background: #673ab5;
    color: #fff !important;
    box-shadow: 2px 2px 0 #c634e8;
    transform: translate(2px, 2px);
}

[data-theme="retro"] nav a {
    color: #c634e8 !important;
}

[data-theme="retro"] h1, 
[data-theme="retro"] h2, 
[data-theme="retro"] h3 {
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Chatbot Widget */
.chat-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 80px; /* Left of scroll-top */
    width: 60px;
    height: 60px;
    background: var(--color-purple);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: transform 0.3s;
    z-index: 1000;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
}

.chat-icon {
    font-size: 30px;
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-magenta);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-widget {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transform: translateY(120%);
    transition: transform 0.3s ease-in-out;
    border: 1px solid var(--shadow-color);
}

.chat-widget.open {
    transform: translateY(0);
}

.chat-header {
    background: var(--color-purple);
    color: white;
    padding: 15px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bot-avatar {
    font-size: 24px;
    background: rgba(255,255,255,0.2);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bot-info {
    display: flex;
    flex-direction: column;
}

.bot-name {
    font-weight: bold;
}

.bot-status {
    font-size: 0.8rem;
    opacity: 0.8;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.bot-message, .user-message {
    display: flex;
    gap: 10px;
    max-width: 80%;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-text {
    padding: 10px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    line-height: 1.4;
    text-align: left;
}

.bot-message .message-text {
    background: var(--bg-color);
    color: var(--text-color);
    border-bottom-left-radius: 5px;
}

.user-message .message-text {
    background: var(--color-blue);
    color: white;
    border-bottom-right-radius: 5px;
}

/* Contact Form Styles (Troll Edition) */
:root {
    --color-troll-red: #ff3333; 
    --color-troll-cyan: #33ffff; 
    --color-troll-gold: #FFC947;
}

.contact-container {
    border: 2px solid var(--color-purple);
    padding: 30px;
    box-shadow: 0 0 25px var(--bg-color), 0 0 10px var(--color-purple) inset;
    background-color: rgba(10, 25, 49, 0.8);
    margin-top: 2rem;
    border-radius: 10px;
}

.contact-container h1, .contact-container h2 {
    text-align: center;
    color: var(--color-magenta);
    text-shadow: 0 0 5px var(--color-purple);
}

/* Effet "Glitch" sur le titre principal */
.contact-container h1:hover {
    animation: glitch-anim 0.4s infinite alternate;
}

@keyframes glitch-anim {
    0% { text-shadow: -2px 0 var(--color-troll-red); transform: translate(1px, 0); }
    25% { text-shadow: 2px 0 var(--color-troll-cyan); transform: translate(-1px, 0); }
    50% { text-shadow: -1px 1px var(--color-troll-red); transform: translate(0, 1px); }
    75% { text-shadow: 1px -1px var(--color-troll-cyan); transform: translate(0, -1px); }
    100% { text-shadow: 0 0 var(--color-magenta); transform: translate(0, 0); }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--color-yellow);
}

.form-group input[type="text"], 
.form-group input[type="email"], 
.form-group input[type="time"], 
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-purple);
    background-color: var(--bg-color);
    color: var(--color-troll-gold);
    box-sizing: border-box; 
    transition: border-color 0.3s;
    font-family: 'Courier New', monospace;
}

.form-group input:focus, .form-group textarea:focus {
     border-color: var(--color-magenta);
     outline: none;
}

.required-info {
    color: var(--color-magenta); 
}

.useless-info {
    color: var(--color-troll-gold); 
    font-style: italic;
}

.contact-btn {
    background-color: var(--color-purple);
    color: white;
    border: 2px solid var(--color-magenta);
    padding: 12px 25px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: transform 0.2s, background-color 0.2s;
    font-family: 'Courier New', monospace;
}

.contact-btn:hover {
    background-color: var(--color-magenta);
    color: var(--bg-color);
    transform: scale(1.02);
    box-shadow: 0 0 10px var(--color-troll-red), 0 0 20px var(--color-troll-cyan);
}

.form-message {
    margin-top: 20px;
    margin-bottom: 30px; 
    padding: 15px;
    border: 2px dashed var(--color-troll-gold);
    background-color: rgba(20, 50, 80, 0.5);
    text-align: center;
    font-weight: bold;
    color: white;
}

#flame-effect {
    display: inline-block;
    font-weight: bold;
    color: var(--color-troll-gold);
    text-shadow: 0 0 5px var(--color-magenta), 0 0 10px var(--color-troll-gold);
    animation: flame-flicker 0.2s infinite alternate;
    padding: 0 5px;
}

@keyframes flame-flicker {
    0% { opacity: 1; text-shadow: 0 0 3px var(--color-magenta); }
    50% { opacity: 0.8; text-shadow: 0 0 10px var(--color-troll-gold), 0 0 15px var(--color-purple); transform: skewX(-1deg); }
    100% { opacity: 1; text-shadow: 0 0 5px var(--color-magenta), 0 0 8px var(--color-troll-gold); transform: skewX(1deg); }
}

.gif-placeholder {
    margin: 20px 0;
    text-align: center;
    font-size: 1.5em;
    color: var(--color-purple);
    border: 3px double var(--color-magenta);
    padding: 10px;
}

#soul-capture {
    display: none; 
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    border: 5px double var(--color-magenta); 
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.9);
    box-shadow: 0 0 40px var(--color-troll-cyan); 
    text-align: center;
}

#soul-capture img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--color-magenta);
}

.message-avatar {
    font-size: 20px;
    align-self: flex-end;
}

.chat-input-area {
    padding: 15px;
    border-top: 1px solid var(--shadow-color);
    display: flex;
    gap: 10px;
}

#chatInput {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--shadow-color);
    border-radius: 20px;
    background: var(--bg-color);
    color: var(--text-color);
}

#sendMessage {
    background: var(--color-blue);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

#sendMessage:hover {
    background: var(--color-purple);
}