:root {
    /* Modern Color Palette */
    --primary: #4361ee;
    --primary-light: #4895ef;
    --primary-dark: #3a0ca3;
    --primary-rgb: 67, 97, 238;
    --secondary: #4cc9f0;
    --accent: #f72585;
    --accent-color: #f72585;
    --success: #4ade80;
    --success-color: #4ade80;
    --success-bg: rgba(74, 222, 128, 0.1);
    --warning: #f59e0b;
    --warning-color: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #f43f5e;
    --error-color: #f43f5e;
    --error-bg: rgba(244, 63, 94, 0.1);
    --text: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #64748b;
    --bg: #f8fafc;
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --card: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --hover-bg: #f8fafc;
    --input-bg: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-sm: 6px;
    --radius-lg: 20px;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

[data-theme="dark"] {
    --primary: #4895ef;
    --primary-light: #4cc9f0;
    --primary-dark: #4361ee;
    --primary-rgb: 72, 149, 239;
    --secondary: #3a0ca3;
    --accent: #f72585;
    --accent-color: #f72585;
    --success: #4ade80;
    --success-color: #4ade80;
    --success-bg: rgba(74, 222, 128, 0.1);
    --warning: #f59e0b;
    --warning-color: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #f43f5e;
    --error-color: #f43f5e;
    --error-bg: rgba(244, 63, 94, 0.1);
    --text: #f8fafc;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-light: #cbd5e1;
    --bg: #0f172a;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --card: #1e293b;
    --card-bg: #1e293b;
    --border-color: #334155;
    --hover-bg: #334155;
    --input-bg: #1e293b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.25), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: var(--transition);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-weight: 800;
    line-height: 1.2;
}

.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    overflow-x: hidden;
}

section {
    padding: var(--space-xxl) 0;
    position: relative;
}

/* Promotional Banner */
.promo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #f72585, #4361ee, #3a0ca3);
    background-size: 200% 200%;
    color: white;
    z-index: 10000;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    animation: slideDown 0.6s ease-out, gradientShift 3s ease-in-out infinite;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.promo-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.promo-text {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
}

.promo-icon {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

.promo-message {
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.promo-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 10;
}

.promo-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.promo-close:active {
    transform: scale(0.95);
}

/* Banner animations */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

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

/* Language and Currency Selector */
.language-currency-selector {
    position: fixed;
    top: 60px;
    right: var(--space-md);
    z-index: 9999;
    background: var(--card);
    border-radius: var(--radius);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    min-width: 200px;
}

.selector-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.selector-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.selector-group select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.selector-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

/* Instructions Section */
.instructions {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg));
    position: relative;
}

.instructions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxl);
    position: relative;
    z-index: 1;
}

.instruction-card {
    background: var(--card);
    padding: 2rem 1.5rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}

.instruction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

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

.instruction-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    box-shadow: var(--shadow);
    z-index: 2;
}

.instruction-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--shadow);
}

.instruction-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--text);
    font-size: 1.1rem;
}

.instruction-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* WhatsApp Floating Button */
.fab-container {
    position: fixed;
    bottom: 5px;
    right: 10px;
    z-index: 1000;
}

.fab {
    display: flex;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: green;
    color: var(--bg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    border: none;
    cursor: pointer;
}

.fab i {
    color: green;
    font-size: 1.75rem;
    display: flex;
    line-height: 2;
    z-index: 2;
    margin-left: -1px;
}

.fab::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: white;
    z-index: 1.5;
    animation: pulse 2s infinite;
    top: 0;
    left: 0;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background-color: #128C7E;
}

/* Enhanced Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--card);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease-out;
    border: 1px solid var(--border-color);
}

.modal-footer {
    margin-top: var(--space-lg);
    text-align: center;
}

.close-modal {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    color: var(--primary);
    background-color: rgba(var(--primary), 0.1);
}

.modal-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
    text-align: center;
}

.modal h3 {
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.modal p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

/* Navigation */
.main-nav {
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    background-color: rgba(var(--bg), 0.95);
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(var(--text), 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo:hover {
    opacity: 0.9;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--space-sm) 0;
    position: relative;
    font-size: 0.95rem;
}

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

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

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

.sophie-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: var(--transition);
}

.sophie-nav-link:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-color: rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.sophie-nav-link::after {
    display: none;
}

.sophie-nav-link i {
    color: var(--primary);
    font-size: 1rem;
}

.sophie-hero-btn {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 2px solid rgba(102, 126, 234, 0.3);
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition);
}

.sophie-hero-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.sophie-hero-btn i {
    font-size: 1.1rem;
}

.lang-toggle, .theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.lang-toggle:hover, .theme-toggle:hover {
    background: rgba(var(--primary), 0.1);
    color: var(--primary);
}

.lang-flag {
    font-size: 1.2rem;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    position: relative;
    cursor: pointer;
    padding: 0;
}

.menu-icon, .menu-icon::before, .menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    left: 8px;
    transition: var(--transition);
}

.menu-icon::before {
    top: -6px;
}

.menu-icon::after {
    top: 6px;
}

.mobile-menu-btn[aria-expanded="true"] .menu-icon {
    background-color: transparent;
}

.mobile-menu-btn[aria-expanded="true"] .menu-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-btn[aria-expanded="true"] .menu-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Hero Section */
.hero {
    padding: var(--space-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(var(--primary), 0.05) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    line-height: 1.1;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    text-align: center;
    gap: var(--space-xs);
    position: relative;
    overflow: hidden;
    min-height: 48px;
    white-space: nowrap;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: var(--transition);
}

.btn:hover::after {
    opacity: 1;
}

.btn.primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow);
    border: none;
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn.secondary {
    background: var(--card);
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow);
}

.btn.secondary:hover {
    background: rgba(var(--primary), 0.1);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--primary);
}

.btn.pulse {
    animation: pulse 2s infinite;
}

/* PayPal form button specific styles */
.paypal-form button {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-align: center;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

.paypal-form button.btn.primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.paypal-form button.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
    color: white;
}

.paypal-form button.btn.secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Specific styles for upgrade modal buttons */
.upgrade-plan .paypal-form button {
    background: var(--gradient);
    color: white;
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
    transition: all 0.3s ease;
}

.upgrade-plan .paypal-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
    color: white;
}

.upgrade-plan.popular .paypal-form button {
    background: white;
    color: var(--primary);
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.upgrade-plan.popular .paypal-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    color: var(--primary);
}

.hero-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.chat-preview {
    width: 100%;
    border-radius: var(--radius);
    transition: var(--transition);
    display: block;
    transform: translateZ(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--gradient);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    background: rgba(var(--primary), 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.section-description {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* Voice Agent Section */
.voice-agent-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: white;
    padding: var(--space-xxl) 0;
    position: relative;
    overflow: hidden;
}

.voice-agent-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.voice-agent-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 1;
}

.voice-agent-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.voice-agent-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.voice-agent-header {
    text-align: left;
}

.voice-agent-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.9);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.voice-agent-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    color: white;
}

.voice-agent-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.voice-agent-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.voice-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
}

.voice-feature i {
    color: var(--success);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.voice-agent-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.voice-agent-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.sophie-page-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-xl);
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: var(--transition);
    text-decoration: none;
}

.sophie-page-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    color: white;
    border-color: rgba(255, 255, 255, 0.6);
}

.sophie-page-btn i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.sophie-page-btn:hover i {
    transform: translateX(5px);
}

.phone-number-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.phone-number-display i {
    font-size: 1.5rem;
    color: white;
}

.phone-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.phone-link:hover {
    color: var(--success);
    transform: scale(1.05);
}

.voice-call-btn {
    background: white;
    color: var(--primary);
    font-size: 1.2rem;
    padding: var(--space-lg) var(--space-xxl);
    font-weight: 700;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: var(--transition);
    text-decoration: none;
    flex: 1;
    min-width: 200px;
}

.voice-call-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    background: var(--success);
    color: white;
}

.voice-call-btn i {
    font-size: 1.3rem;
}

.voice-agent-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin: 0;
}

.voice-agent-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.voice-agent-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 100%;
    transition: var(--transition);
}

.voice-agent-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.5);
}

.voice-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.voice-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    border: 3px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.voice-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(74, 222, 128, 0.2);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.voice-card-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-xs);
    color: white;
}

.voice-card-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.voice-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.capability-tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Responsive Design for Voice Agent Section */
@media (max-width: 968px) {
    .voice-agent-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .voice-agent-header {
        text-align: center;
    }
    
    .voice-agent-header h2 {
        font-size: 2rem;
    }
    
    .voice-agent-features {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .voice-agent-visual {
        order: -1;
    }
}

@media (max-width: 640px) {
    .voice-agent-header h2 {
        font-size: 1.75rem;
    }
    
    .voice-agent-subtitle {
        font-size: 1rem;
    }
    
    .phone-link {
        font-size: 1.25rem;
    }
    
    .voice-call-btn {
        font-size: 1rem;
        padding: var(--space-md) var(--space-xl);
    }

    .voice-agent-buttons {
        flex-direction: column;
    }

    .sophie-page-btn {
        width: 100%;
    }
}

/* Demo Section */
.demo {
    background: linear-gradient(135deg, rgba(var(--primary), 0.03) 0%, transparent 100%);
}

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

.demo-card {
    background: var(--card);
    padding: var(--space-xl);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(var(--primary), 0.1);
}

.demo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary), 0.3);
}

.demo-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
    transition: var(--transition);
}

.demo-card:hover .demo-icon {
    transform: scale(1.1);
}

.demo-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    color: var(--text);
}

.demo-card p {
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

/* Features Section */
.features {
    background: linear-gradient(135deg, rgba(var(--primary), 0.03) 0%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.feature-card {
    background: var(--card);
    padding: var(--space-xl);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(var(--primary), 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary), 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: var(--space-md);
}

.feature-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.feature-card:hover .feature-decoration {
    transform: scaleX(1);
}

/* Pricing Section */
.pricing {
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--primary), 0.03) 0%, transparent 100%);
    z-index: -1;
}

.currency-selector {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.currency-btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    background: var(--card);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
    color: var(--text-light);
}

.currency-btn.active {
    background: var(--primary);
    color: white;
}

.currency-btn:hover:not(.active) {
    background: rgba(var(--primary), 0.1);
    color: var(--primary);
}

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

.pricing-card {
    background: var(--card);
    padding: var(--space-xl);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(var(--primary), 0.1);
    
}

.pricing-card.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary), 0.3);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.8rem;
    box-shadow: var(--shadow);
}

.pricing-header {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.current-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.original-price {
    font-size: 1.5rem;
    text-decoration: line-through;
    color: var(--text-light);
    line-height: 1.2;
}

.price-subtitle {
    color: var(--text-light);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.discount {
    background: var(--success);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
}

.price-features {
    list-style: none;
    margin: var(--space-xl) 0;
}

.price-features li {
    padding: var(--space-sm) 0;
    position: relative;
    padding-left: var(--space-xl);
    color: var(--text);
    display: flex;
    align-items: center;
}

.price-features li::before {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background-color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
}

.price-features li i {
    position: absolute;
    left: 0;
    color: white;
    font-size: 0.7rem;
    z-index: 1;
}

.paypal-form-container {
    margin: var(--space-lg) 0;
    text-align: center;
}

.money-back {
    color: var(--text-light);
    font-style: italic;
    margin-top: var(--space-md);
    font-size: 0.9rem;
    text-align: center;
}

/* Testimonials */
.testimonials .section-header h2 {
    margin-bottom: var(--space-xxl);
}

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

.testimonial-card {
    background: var(--card);
    padding: var(--space-xl);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
    border: 1px solid rgba(var(--primary), 0.1);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary), 0.3);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--space-xl);
    position: relative;
    padding-left: var(--space-md);
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--primary-light);
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

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

.author-name {
    font-weight: 700;
}

.author-location {
    font-size: 0.9rem;
    color: var(--text-light);
}

.testimonial-rating {
    color: var(--warning);
    font-size: 0.9rem;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    text-align: center;
    padding: var(--space-xxl) 0;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.final-cta h2 {
    margin-bottom: var(--space-md);
    color: white;
}

.final-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    font-size: 1.1rem;
}

.final-cta .btn {
    background: white;
    color: var(--primary);
    font-weight: 700;
}

.final-cta .btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
.app-footer {
    padding: var(--space-xxl) 0 var(--space-xl);
    background: var(--card);
    border-top: 1px solid rgba(var(--text), 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-about {
    color: var(--text-light);
    font-size: 0.9rem;
    max-width: 300px;
    margin: var(--space-sm) 0;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links h4 {
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
    color: var(--text);
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: var(--space-xs);
}

.footer-copyright {
    text-align: center;
    color: var(--text-light);
    font-size: 0.8rem;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(var(--text), 0.1);
    max-width: 1200px;
    margin: 0 auto;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--card);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    background: none;
    border: none;
    padding: var(--space-md);
    align-self: flex-end;
    cursor: pointer;
    position: relative;
    width: 48px;
    height: 48px;
}

.close-icon, .close-icon::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    left: 12px;
    top: 23px;
}

.close-icon {
    transform: rotate(45deg);
}

.close-icon::before {
    transform: rotate(90deg);
}

.mobile-menu-content {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    overflow-y: auto;
    flex-grow: 1;
}

.mobile-nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 1.1rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-nav-link:hover {
    background: rgba(var(--primary), 0.1);
    color: var(--primary);
}

.mobile-menu-divider {
    height: 1px;
    background: rgba(var(--text), 0.1);
    margin: var(--space-sm) 0;
}

.mobile-lang-toggle {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.1rem;
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-lang-toggle:hover {
    background: rgba(var(--primary), 0.1);
    color: var(--primary);
}

/* Auth Modals */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--text);
    font-size: 0.9rem;
}

.form-group input {
    padding: var(--space-sm);
    border: 1px solid rgba(var(--text), 0.2);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.auth-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.auth-footer .btn.secondary {
    width: 100%;
    max-width: 300px;
    margin-top: var(--space-xs);
}

.auth-link {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.auth-error {
    color: var(--error);
    font-size: 0.9rem;
    text-align: center;
    margin-top: var(--space-sm);
    min-height: 1.2rem;
}

/* Dashboard */
.dashboard-container {
    min-height: 100vh;
    background: var(--bg);
    padding: 0;
    margin: 0;
    font-family: var(--font-family);
    color: var(--text);
    line-height: 1.6;
}

.dashboard-container .dashboard-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-container .dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-container .dashboard-header h2 {
    margin: 0;
    color: var(--primary);
    font-size: 2rem;
    font-weight: 700;
}

.dashboard-container .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.dashboard-container .user-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
}

.dashboard-container .user-details h3 {
    margin: 0 0 0.25rem 0;
    color: var(--text);
    font-size: 1.25rem;
}

.dashboard-container .user-details p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dashboard-container .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-container .stat-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.dashboard-container .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dashboard-container .stat-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.dashboard-container .stat-card h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
}

.dashboard-container .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.dashboard-container .payment-section {
    margin-bottom: 2rem;
}

.dashboard-container .payment-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text);
    font-size: 1.5rem;
    font-weight: 600;
}

.dashboard-container .payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dashboard-container .payment-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.dashboard-container .payment-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dashboard-container .payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dashboard-container .payment-header h4 {
    margin: 0;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.dashboard-container .payment-header i {
    color: var(--primary);
    font-size: 1.25rem;
}

.dashboard-container .plan-badge {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.dashboard-container .plan-details p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dashboard-container .plan-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
}

.dashboard-container .plan-actions .btn {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.dashboard-container .billing-list {
    margin-bottom: 1rem;
}

.dashboard-container .billing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-container .billing-item:last-child {
    border-bottom: none;
}

.dashboard-container .billing-date {
    color: var(--text);
    font-size: 0.9rem;
}

.dashboard-container .billing-amount {
    color: var(--text-secondary);
    font-weight: 600;
}

.dashboard-container .dashboard-actions {
    margin-bottom: 2rem;
}

.dashboard-container .dashboard-actions h3 {
    margin-bottom: 1rem;
    color: var(--text);
    font-size: 1.5rem;
    font-weight: 600;
}

.dashboard-container .action-buttons {
        display: flex;
    gap: 1rem;
}

.dashboard-container .action-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
}

.dashboard-container .session-history {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.dashboard-container .session-history h3 {
    margin-bottom: 1rem;
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 600;
}

.dashboard-container .session-list {
    min-height: 100px;
}

/* Responsive Dashboard */
@media (max-width: 768px) {
    .dashboard-container .dashboard-content {
        padding: 1rem;
    }
    
    .dashboard-container .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .dashboard-container .dashboard-header h2 {
        font-size: 1.5rem;
    }
    
    .dashboard-container .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .dashboard-container .payment-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .dashboard-container .action-buttons {
        flex-direction: column;
    }
    
    .dashboard-container .plan-actions {
        flex-direction: column;
    }
}

/* Intro Page Styles */
.intro-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
        align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.intro-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.intro-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
}

.intro-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xxl);
}

.intro-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.intro-logo .logo-icon {
    font-size: 2.5rem;
    animation: bounce 2s infinite;
}

.intro-logo h1 {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.intro-language-selector {
    display: flex;
    gap: var(--space-sm);
}

.lang-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    padding: var(--space-sm) var(--space-md);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.lang-btn .flag {
    font-size: 1.2rem;
}

.lang-btn .lang-text {
    font-weight: 600;
    font-size: 0.9rem;
}

.intro-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
    margin-bottom: var(--space-xxl);
}

.intro-text {
    text-align: left;
}

.intro-title {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-lg);
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.intro-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
}

.feature-item i {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-preview {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 400px;
    width: 100%;
}

.chat-message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    animation: slideInUp 0.6s ease-out;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.chat-message.bot .message-avatar {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.chat-message.user .message-avatar {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.message-content {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-md);
    border-radius: var(--radius);
    max-width: 80%;
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.4;
}

.chat-message.user .message-content {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

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

.intro-btn {
    font-size: 1.25rem;
    padding: var(--space-lg) var(--space-xxl);
    border-radius: var(--radius-lg);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.intro-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.intro-login-btn {
    font-size: 1rem;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.intro-login-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.intro-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin: 0;
}

/* Language and Currency Selector - Fixed */
.language-currency-selector {
    position: fixed;
    top: 80px;
    right: var(--space-md);
    z-index: 9999;
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    min-width: 280px;
    max-width: 320px;
    backdrop-filter: blur(20px);
}

.selector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.selector-header h4 {
    margin: 0;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.selector-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.selector-close:hover {
    background: var(--bg-secondary);
    color: var(--text);
}

.selector-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.selector-group:last-child {
    margin-bottom: 0;
}

.selector-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}

.selector-group select {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--input-bg);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.selector-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

/* Fix Pricing Cards Alignment */
.pricing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 500px;
    justify-content: space-between;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    flex-grow: 0;
}

.price-features {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.paypal-form-container {
    margin-top: auto;
    padding-top: var(--space-lg);
}

/* Fix Instructions Cards Alignment */
.instruction-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 300px;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.instruction-icon {
    margin-bottom: var(--space-lg);
    flex-shrink: 0;
}

.instruction-card h3 {
    margin-bottom: var(--space-md);
    flex-grow: 0;
}

.instruction-card p {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Intro Page */
@media (max-width: 768px) {
    .intro-page {
        padding: var(--space-md);
    }
    
    .intro-header {
        flex-direction: column;
        gap: var(--space-lg);
        margin-bottom: var(--space-xl);
    }
    
    .intro-hero {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    text-align: center;
}

    .intro-text {
        text-align: center;
    }
    
    .intro-title {
        font-size: 2.5rem;
    }
    
    .intro-subtitle {
        font-size: 1.1rem;
    }
    
    .intro-features {
    align-items: center;
}

    .feature-item {
        justify-content: center;
    }
    
    .chat-preview {
        max-width: 100%;
    }
    
    .language-currency-selector {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        right: auto;
        max-width: 90vw;
        width: 320px;
    }
}

@media (max-width: 480px) {
    .intro-title {
        font-size: 2rem;
    }
    
    .intro-subtitle {
        font-size: 1rem;
    }
    
    .intro-btn {
        font-size: 1.1rem;
        padding: var(--space-md) var(--space-xl);
    }
    
    .language-currency-selector {
        width: 95vw;
        max-width: 300px;
        padding: var(--space-md);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .language-currency-selector {
        position: static;
        margin: var(--space-md) 0;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .instructions-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
    font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .pricing-grid, .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-info {
        text-align: center;
    }
    
    .footer-about {
        text-align: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    /* Promotional Banner Mobile */
    .promo-banner {
        padding: 0.75rem 0;
    }
    
    .promo-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .promo-text {
        font-size: 0.95rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .promo-icon {
        font-size: 1.25rem;
    }
    
    .promo-close {
        align-self: flex-end;
        position: absolute;
        top: 0.5rem;
        right: 1rem;
        padding: 0.5rem;
        min-width: 36px;
        min-height: 36px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 2rem 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .price {
        font-size: 1.5rem;
    }
    
    .current-price {
        font-size: 1.25rem;
    }
    
    .promo-message {
        font-size: 0.8rem;
    }
    
    .promo-icon {
        font-size: 1rem;
    }
    
    .language-currency-selector {
        padding: 1rem;
    }
    
    .selector-group select {
        font-size: 0.9rem;
    }
    
    .instruction-card {
        padding: 1.5rem 1rem 1rem;
        margin-top: 1.5rem;
    }
    
    .instruction-number {
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
        top: -10px;
    }
    
    .instruction-icon {
        width: 40px;
        height: 40px;
    font-size: 1rem;
        margin-bottom: var(--space-sm);
    }
    
    .instruction-card h3 {
        font-size: 1rem;
        margin-bottom: var(--space-xs);
    }
    
    .instruction-card p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
}

/* Hide language/currency selector on very small screens */
@media (max-width: 360px) {
    .language-currency-selector {
        display: none;
    }
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Chatbot Styles */
.chatbot {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: var(--card);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    display: none;
    flex-direction: column;
    z-index: 10000;
    overflow: hidden;
}

.chatbot-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 16px 16px 0 0;
}

.chatbot-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition);
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chatbot-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.chatbot-message {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideInUp 0.3s ease-out;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.chatbot-message.user {
    flex-direction: row-reverse;
}

.chatbot-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.chatbot-message.bot .chatbot-avatar {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.chatbot-message.user .chatbot-avatar {
    background: linear-gradient(135deg, var(--accent), var(--accent-color));
    color: white;
}

.chatbot-content {
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    max-width: 80%;
    min-width: 0;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text);
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    word-break: break-word;
    hyphens: auto;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    box-sizing: border-box;
}

.chatbot-message.user .chatbot-content {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.chatbot-input {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

.chatbot-input input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--input-bg);
    color: var(--text);
    transition: var(--transition);
}

.chatbot-input input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.chatbot-send {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.chatbot-send:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chatbot-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.chatbot-button {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.chatbot-button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.chatbot-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    z-index: 9999;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.chatbot-toggle.hidden {
    display: none;
}

/* Chatbot Responsive */
@media (max-width: 768px) {
    .chatbot {
        width: calc(100vw - 40px);
        height: calc(100vh - 120px);
        bottom: 10px;
        right: 20px;
        left: 20px;
    }
    
    .chatbot-toggle {
        bottom: 10px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .chatbot {
        width: calc(100vw - 20px);
        right: 10px;
        left: 10px;
    }
    
    .chatbot-toggle {
        right: 10px;
    }
}

/* Language Selection Modal */
.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
}

.language-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text);
    font-family: var(--font-family);
}

.language-option:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    background: var(--primary-light);
}

.language-option.all-languages {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-color: var(--primary);
}

.language-option.all-languages:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-4px) scale(1.02);
}

.language-option .flag {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.language-option .lang-name {
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

.language-option.all-languages .flag {
    font-size: 3rem;
}

.language-option.all-languages .lang-name {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Modal header styles */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.modal-header h3 {
    margin: 0;
    color: var(--text);
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-body {
    flex: 1;
}

/* Responsive design for language modal */
@media (max-width: 768px) {
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .language-option {
        padding: 1rem;
    }
    
    .language-option .flag {
        font-size: 2rem;
    }
    
    .language-option .lang-name {
        font-size: 0.9rem;
    }
    
    .language-option.all-languages .flag {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .language-grid {
        grid-template-columns: 1fr;
    }
    
    .language-option.all-languages {
        grid-column: 1;
    }
}

/* Upgrade and Manage Subscription Modals */
.upgrade-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.upgrade-option {
    background: var(--card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    transition: var(--transition);
}

.upgrade-option:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.upgrade-option.popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--card), var(--primary-light));
}

.upgrade-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.upgrade-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.upgrade-header h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 600;
}

.upgrade-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.upgrade-price .current-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.upgrade-price .original-price {
    font-size: 1rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.upgrade-price .price-period {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.upgrade-savings {
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.5rem;
    display: inline-block;
}

.upgrade-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.upgrade-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text);
    font-size: 0.9rem;
}

.upgrade-features li i {
    color: var(--primary);
    font-size: 0.8rem;
}

/* Manage Subscription Modal */
.subscription-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.current-plan-info {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.current-plan-info h4 {
    margin: 0 0 1rem 0;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.plan-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.plan-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.plan-status {
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-description {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.subscription-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.subscription-actions .btn {
    flex: 1;
    min-width: 150px;
}

.billing-history {
    background: var(--card);
        padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.billing-history h4 {
    margin: 0 0 1rem 0;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Responsive design for modals */
@media (max-width: 768px) {
    .upgrade-options {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .upgrade-option {
        padding: 1rem;
    }
    
    .subscription-actions {
        flex-direction: column;
    }
    
    .subscription-actions .btn {
        min-width: auto;
    }
}