/* ========================================
   Erfolg mit AI - Website Styles
   Chatbot Interface matching Chatbase design
   ======================================== */

/* CSS Variables */
:root {
    /* Brand Colors */
    --color-primary: #ff8264;
    --color-primary-dark: #e66a4f;
    --color-primary-light: #ffab96;
    --color-secondary: #1a1a2e;
    --color-accent: #16213e;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #eeeeee;
    --color-gray-300: #e0e0e0;
    --color-gray-400: #bdbdbd;
    --color-gray-500: #9e9e9e;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    --color-black: #000000;
    
    /* Chat Widget Colors */
    --chat-bg: #ffffff;
    --chat-header-bg: #ff8264;
    --chat-message-bot-bg: #f4f4f5;
    --chat-message-user-bg: #ff8264;
    --chat-text-primary: #18181b;
    --chat-text-secondary: #71717a;
    --chat-text-muted: #a1a1aa;
    --chat-border: #e4e4e7;
    --chat-border-strong: #d4d4d8;
    
    /* Typography */
    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-chat: 0 0 40px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Header Styles
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, transparent 100%);
    backdrop-filter: blur(10px);
    transition: background var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.logo-img {
    height: 40px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-800);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    font-size: var(--font-size-xl);
    color: var(--color-gray-800);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #fff5f2 0%, #ffeae4 50%, #fff0eb 100%);
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.partner-logos {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.partner-logo {
    height: 50px;
    width: auto;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.partner-logo:hover {
    opacity: 1;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
}

.hero-chat {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ========================================
   Chat Widget Styles (Chatbase-like)
   ======================================== */
#chat-widget-container {
    width: 100%;
    max-width: 850px;
    height: 700px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-chat);
}

.chat-widget {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--chat-bg);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

/* Chat Header - Matching Chatbase */
.chat-header {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.02) 0.44%, rgba(0, 0, 0, 0) 49.5%), var(--chat-header-bg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 56px;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-black);
    letter-spacing: -0.01em;
}

.chat-header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.chat-header-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-black);
    opacity: 0.9;
    transition: opacity var(--transition-fast), background var(--transition-fast);
}

.chat-header-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.08);
}

.chat-header-btn i {
    font-size: 14px;
}

/* Download button specific styling */
.chat-download-btn {
    font-size: 13px;
}

/* Chat Menu Dropdown */
.chat-menu-wrapper {
    position: relative;
}

.chat-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    min-width: 180px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 100;
    overflow: hidden;
}

.chat-menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    font-size: 14px;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: background var(--transition-fast);
    text-align: left;
}

.chat-menu-item:hover {
    background: var(--color-gray-100);
}

.chat-menu-item i {
    width: 16px;
    color: var(--color-gray-500);
}

.chat-menu-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: 4px 0;
}

/* Chat Messages Container */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--chat-bg);
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
}

/* Message Styles - Chatbase Design */
.message {
    display: flex;
    flex-direction: column;
    max-width: calc(100% - 40px);
}

.message.bot {
    align-self: flex-start;
}

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

.message-bubble {
    padding: 12px 16px;
    border-radius: var(--radius-2xl);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    word-wrap: break-word;
    letter-spacing: -0.01em;
}

.message.bot .message-bubble {
    background: var(--chat-message-bot-bg);
    color: var(--chat-text-primary);
    border-top-left-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-sm);
}

/* Markdown styling for chat messages */
.message-bubble h1,
.message-bubble h2,
.message-bubble h3,
.message-bubble h4 {
    font-weight: 600;
    margin: 0.4em 0 0.2em 0;
    line-height: 1.3;
}

.message-bubble h1 { font-size: 1.25em; }
.message-bubble h2 { font-size: 1.15em; }
.message-bubble h3 { font-size: 1.08em; }
.message-bubble h4 { font-size: 1em; }

.message-bubble p {
    margin: 0.25em 0;
}

.message-bubble p:first-child {
    margin-top: 0;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble br + br {
    display: none;
}

.message-bubble ul,
.message-bubble ol {
    margin: 0.3em 0;
    padding-left: 1.4em;
}

.message-bubble li {
    margin: 0.15em 0;
    line-height: 1.4;
}

.message-bubble code {
    background: rgba(0, 0, 0, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.9em;
}

.message-bubble pre {
    background: rgba(0, 0, 0, 0.06);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.5em 0;
}

.message-bubble pre code {
    background: none;
    padding: 0;
    font-size: 0.85em;
    line-height: 1.5;
}

.message-bubble blockquote {
    border-left: 3px solid var(--color-primary);
    margin: 0.5em 0;
    padding-left: 12px;
    color: var(--chat-text-secondary);
    font-style: italic;
}

.message-bubble a {
    color: var(--color-primary);
    text-decoration: underline;
}

.message-bubble strong {
    font-weight: 600;
}

.message-bubble em {
    font-style: italic;
}

.message-bubble hr {
    border: none;
    border-top: 1px solid var(--chat-border);
    margin: 0.75em 0;
}

.message.bot .message-bubble.first {
    border-top-left-radius: var(--radius-2xl);
}

.message.bot .message-bubble.last {
    border-bottom-left-radius: var(--radius-2xl);
}

.message.bot .message-bubble.single {
    border-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-sm);
}

.message.user .message-bubble {
    background: var(--chat-message-user-bg);
    color: var(--color-black);
    border-bottom-right-radius: var(--radius-sm);
}

.message-sender {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

/* Message Group */
.message-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: calc(100% - 40px);
}

.message-group.bot {
    align-self: flex-start;
}

/* Message Actions (feedback buttons) */
.message-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding-top: 4px;
}

.message-actions .action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 14px;
}

.message-actions .action-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.message-actions .action-btn.active {
    color: var(--color-primary);
}

.message-actions .action-btn.copied {
    color: var(--color-success, #22c55e);
}

.message-actions .timestamp {
    font-size: 11px;
    color: var(--color-gray-400);
    margin-left: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--color-gray-200);
}

/* Streaming cursor effect */
.streaming-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--color-primary);
    margin-left: 2px;
    animation: blink 0.8s infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.message-group .message-bubble {
    border-radius: var(--radius-2xl);
}

.message-group .message-bubble:first-child {
    border-top-left-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-sm);
}

.message-group .message-bubble:last-child {
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-2xl);
}

.message-group .message-bubble:only-child {
    border-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-sm);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--chat-message-bot-bg);
    border-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-sm);
    width: fit-content;
    align-self: flex-start;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-gray-400);
    border-radius: var(--radius-full);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-4px);
    }
}

/* Suggested Messages - Chatbase Style */
.chat-suggestions {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.suggestion-btn {
    padding: 10px 16px;
    background: var(--chat-bg);
    border: 1px solid var(--chat-border);
    border-radius: 30px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    transition: all var(--transition-fast);
    max-width: 300px;
    text-align: center;
    line-height: 1.4;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.suggestion-btn:hover {
    background: var(--color-primary);
    color: var(--color-black);
    border-color: var(--color-primary);
}

/* Chat Footer - Chatbase Style */
.chat-footer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    background: var(--chat-bg);
}

.chat-branding {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-xs);
    color: var(--chat-text-muted);
}

.chat-branding .heart {
    color: #e74c3c;
}

.chat-input-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px var(--spacing-md);
    background: var(--chat-bg);
    border: 1.5px solid var(--chat-border);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    margin: 0 var(--spacing-sm);
}

.chat-input-container:focus-within {
    border-color: var(--chat-border-strong);
    box-shadow: 0 0 0 1px var(--chat-border);
}

.chat-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: var(--font-size-sm);
    color: var(--chat-text-primary);
    background: transparent;
    resize: none;
    max-height: 160px;
    min-height: 20px;
    line-height: 1.4;
    font-family: inherit;
}

.chat-input::placeholder {
    color: var(--chat-text-muted);
}

.chat-input-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.chat-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--chat-text-secondary);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.chat-action-btn:hover {
    color: var(--chat-text-primary);
    background: var(--chat-message-bot-bg);
}

.chat-send-btn {
    color: var(--chat-text-muted);
}

.chat-send-btn:hover,
.chat-send-btn.active {
    color: var(--color-primary);
    background: transparent;
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-custom-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--chat-text-muted);
    font-weight: 500;
}

/* Error Message Style */
.message.error .message-bubble {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin: 0 auto var(--spacing-xl);
    border-radius: var(--radius-full);
}

.divider-light {
    background: var(--color-white);
}

.about-intro {
    font-size: var(--font-size-lg);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-gray-700);
}

.about-description {
    font-size: var(--font-size-base);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* ========================================
   Funding Section (Förderhinweis)
   ======================================== */
.funding-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-50);
}

.funding-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2xl);
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
}

.funding-logos {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-shrink: 0;
}

.funding-logo-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.funding-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.funding-logo {
    height: auto;
    width: auto;
    max-height: 100px;
    object-fit: contain;
}

.funding-logo.bmwk-logo {
    max-width: 280px;
    min-height: 140px;
}

.funding-logo.igf-logo {
    max-width: 140px;
}

.funding-logo.dlr-logo {
    max-width: 140px;
}

.funding-text {
    flex: 1;
}

.funding-notice {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin: 0;
}

.funding-notice em {
    font-style: italic;
}

.funding-notice strong {
    font-weight: 600;
    color: var(--color-gray-800);
}

@media (max-width: 900px) {
    .funding-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
        padding: var(--spacing-xl);
    }
    
    .funding-logos {
        flex-wrap: wrap;
        justify-content: center;
    }

    .funding-logo-column {
        width: 100%;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .funding-logo {
        max-height: 80px;
    }
    
    .funding-logo.bmwk-logo {
        max-width: 240px;
    }
    
    .funding-logo.igf-logo {
        max-width: 120px;
    }

    .funding-logo.dlr-logo {
        max-width: 120px;
    }
}

@media (max-width: 480px) {
    .funding-logo {
        max-height: 70px;
    }
    
    .funding-logo.bmwk-logo {
        max-width: 200px;
    }
    
    .funding-logo.igf-logo {
        max-width: 100px;
    }

    .funding-logo.dlr-logo {
        max-width: 100px;
    }
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.section-subtitle {
    font-size: var(--font-size-base);
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ========================================
   Privacy Section
   ======================================== */
.privacy-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.privacy-intro {
    font-size: var(--font-size-base);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    color: var(--color-gray-600);
    line-height: 1.8;
    text-align: center;
}

.privacy-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.privacy-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.privacy-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.privacy-icon i {
    font-size: var(--font-size-xl);
    color: var(--color-white);
}

.privacy-content {
    flex: 1;
}

.privacy-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.privacy-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.faq-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-800);
    text-align: left;
    background: var(--color-white);
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-icon {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.contact-card {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--color-white);
}

.contact-subtitle {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.contact-text {
    font-size: var(--font-size-xl);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.contact-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-gray-100);
    border-top: 1px solid var(--color-gray-200);
}

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

.footer-nav {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

/* ========================================
   Mobile Chat Toggle Button
   ======================================== */
.chat-toggle-btn {
    display: none;
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.chat-toggle-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.chat-toggle-btn i {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
}

/* Chat Modal (Mobile) */
.chat-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000; /* Increased z-index to ensure it's on top */
    padding: var(--spacing-md);
    align-items: flex-end;
    justify-content: center;
}

.chat-modal.active {
    display: flex;
}

.chat-modal-content {
    width: 100%;
    max-width: 450px;
    height: 85vh; /* Fallback */
    height: 85dvh; /* Dynamic viewport height */
    max-height: 800px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    animation: slideUp 0.3s ease;
    background: var(--color-white); /* Ensure background is white */
    box-shadow: var(--shadow-xl);
}

.chat-modal-content .chat-widget {
    height: 100%;
    border-radius: 0; /* Remove radius for inner widget to fit modal */
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-left {
    opacity: 0;
    animation: fadeInLeft 0.6s ease forwards;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .partner-logos {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-chat {
        display: none;
    }
    
    .chat-toggle-btn {
        display: flex;
    }
    
    .footer-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .privacy-card {
        flex-direction: column;
        text-align: center;
    }
    
    .privacy-icon {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .partner-logo {
        height: 40px;
    }
    
    .contact-card {
        padding: var(--spacing-xl);
    }
    
    .chat-modal-content {
        height: 95vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
    
    .suggestion-btn {
        font-size: var(--font-size-xs);
        padding: 8px 12px;
    }
}