/* ==========================================
   KI-Telefonagent Reseller - Modern CSS
   ========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary-color: #06B6D4;
    --accent-color: #F59E0B;

    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;

    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Reset & 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, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2rem;
    padding: 1rem;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.call-animation {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s ease-out infinite;
}

.pulse-ring.delay-1 {
    animation-delay: 0.4s;
}

.pulse-ring.delay-2 {
    animation-delay: 0.8s;
}

.phone-icon {
    font-size: 3rem;
    z-index: 1;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background: var(--bg-secondary);
}

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

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* Use Cases */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.use-case {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-base);
}

.use-case:hover {
    background: white;
    box-shadow: var(--shadow-lg);
}

.use-case h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.use-case p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Comparison Section: KI-Agent vs Personal */
.comparison-section {
    background: linear-gradient(180deg, #f8fafc 0%, #e0e7ff 50%, #f8fafc 100%);
    padding: 4rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.comparison-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2.5rem;
    align-items: start;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.comparison-column {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.comparison-column::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.comparison-column:hover::before {
    opacity: 1;
}

.comparison-column:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.25);
}

.comparison-column.ki-agent {
    border: 3px solid #667eea;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    position: relative;
}

.comparison-column.ki-agent::before {
    color: #667eea;
}

.comparison-column.personal {
    background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
}

.comparison-column.personal::before {
    color: #ef4444;
}

.comparison-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
}

.comparison-icon {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

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

.comparison-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.comparison-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    margin-top: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.comparison-cost {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    border-radius: 20px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.comparison-cost::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.comparison-cost:hover::before {
    opacity: 1;
}

.cost-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cost-amount {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.cost-amount.cost-high {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cost-detail {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.comparison-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.comparison-features li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
}

.comparison-features li:hover {
    background: white;
    border-color: currentColor;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.comparison-features .icon {
    font-size: 1.125rem;
    font-weight: 800;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-yes .icon {
    color: white;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.feature-yes:hover .icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-no .icon {
    color: white;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.feature-no:hover .icon {
    transform: scale(1.1) rotate(-5deg);
}

.comparison-features strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.comparison-features span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.comparison-savings {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border-radius: 20px;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    position: relative;
    overflow: hidden;
}

.comparison-savings::before {
    content: '💰';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    opacity: 0.2;
}

.comparison-additional-costs {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    padding: 1.5rem;
    border-radius: 16px;
    border-left: 5px solid #F59E0B;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
    position: relative;
}

.comparison-additional-costs::before {
    content: '⚠️';
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 1.5rem;
    opacity: 0.3;
}

.comparison-additional-costs strong {
    display: block;
    color: #92400E;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 700;
}

.comparison-additional-costs ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.comparison-additional-costs li {
    padding: 0.5rem 0;
    color: #78350F;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comparison-additional-costs li::before {
    content: '→';
    color: #F59E0B;
    font-weight: 700;
}

/* VS Divider */
.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 100px;
}

.vs-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.5rem;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
    position: relative;
    animation: pulse-vs 2s ease-in-out infinite;
}

.vs-circle::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid #667eea;
    animation: ripple 2s ease-out infinite;
}

@keyframes pulse-vs {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ROI Teaser */
.roi-teaser {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 3rem;
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    margin-top: var(--spacing-2xl);
    border: 2px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.roi-teaser::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.roi-teaser h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.roi-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.roi-item {
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: 24px;
    background: white;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.roi-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.roi-item.roi-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
    transform: scale(1.05);
}

.roi-item.roi-highlight:hover {
    transform: scale(1.08) translateY(-4px);
}

.roi-item.roi-highlight .roi-scenario,
.roi-item.roi-highlight .roi-calc,
.roi-item.roi-highlight .roi-total {
    color: white;
}

.roi-scenario {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.roi-calc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.roi-total {
    margin-top: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    padding-top: var(--spacing-md);
    border-top: 2px solid rgba(0,0,0,0.1);
}

.roi-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.roi-savings-highlight {
    text-align: center;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border-radius: 28px;
    font-size: 1.5rem;
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.4);
    position: relative;
    overflow: hidden;
    animation: shine 3s ease-in-out infinite;
}

.roi-savings-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.roi-savings-highlight strong {
    font-size: 2rem;
    font-weight: 900;
    display: block;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

@keyframes shine {
    0%, 100% {
        box-shadow: 0 12px 40px rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 16px 50px rgba(16, 185, 129, 0.6);
    }
}

/* Pricing Section */
.pricing {
    background: var(--bg-secondary);
}

.pricing-calculator {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
}

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

.input-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.input-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    outline: none;
    -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
}

.input-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
}

.range-value {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: var(--spacing-sm);
}

.features-selection label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.checkbox-label:hover {
    background: var(--bg-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.calculator-result {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.calculator-result h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.price-breakdown {
    flex: 1;
}

.price-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.price-divider {
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin: var(--spacing-sm) 0;
}

.price-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.5rem;
    font-weight: 700;
    padding: var(--spacing-sm) 0;
}

.price-setup {
    font-size: 0.875rem;
    opacity: 0.9;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.selected-features {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.selected-features h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.selected-features ul {
    list-style: none;
}

.selected-features li {
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

/* Pricing Cards */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all var(--transition-base);
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.price {
    margin: var(--spacing-lg) 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.amount-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.features-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.features-list li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--bg-secondary);
}

/* Demo Section */
.demo-section {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.check-icon {
    color: var(--success);
    font-weight: 700;
    font-size: 1.25rem;
}

.demo-call-box {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

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

.phone-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: blink 2s ease infinite;
}

.phone-number input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.25rem;
    text-align: center;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.call-button {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.call-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.demo-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Booking Section */
.booking-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.booking-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.booking-benefits li {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.booking-benefits strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.booking-benefits p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.booking-form-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

#calendly-embed {
    min-height: 600px;
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form-wrapper {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
}

.form-message.success {
    background: #D1FAE5;
    color: #065F46;
}

.form-message.error {
    background: #FEE2E2;
    color: #991B1B;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .demo-content,
    .pricing-calculator,
    .booking-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .comparison-container,
    .roi-comparison {
        grid-template-columns: 1fr;
    }

    .vs-divider {
        margin: var(--spacing-lg) 0;
    }

    .vs-circle {
        transform: rotate(90deg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .roi-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 0 2rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .btn-primary,
    .btn-secondary,
    .btn-outline {
        padding: 0.75rem 1.5rem;
    }
}

/* ==========================================
   Chatbot Promotion Section - Redesigned
   ========================================== */

.chatbot-promo {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 50%, #f9fafb 100%);
    position: relative;
    overflow: hidden;
}

.chatbot-promo::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

.chatbot-promo::after {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite reverse;
}

/* Header Section */
.chatbot-header-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 1;
}

.chatbot-header-section .promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.65rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.chatbot-header-section h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.chatbot-header-section .lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Benefits Grid */
.chatbot-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.benefit-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15);
    border-color: var(--primary-color);
}

.benefit-icon-large {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon-large {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.benefit-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Pricing Section */
.chatbot-pricing-section {
    max-width: 1200px;
    margin: 0 auto 3rem;
    position: relative;
    z-index: 1;
}

.chatbot-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Pricing Cards Medium */
.pricing-card-medium {
    background: white;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 2px solid #e5e7eb;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card-medium:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.15);
    border-color: var(--primary-color);
}

.pricing-card-medium.featured-package {
    border: 3px solid var(--primary-color);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
    transform: scale(1.05);
}

.pricing-card-medium.featured-package:hover {
    transform: translateY(-8px) scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.pricing-header-medium {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f3f4f6;
    margin-bottom: 1.5rem;
}

.pricing-package-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-price-medium {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-currency-medium {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.price-value-medium {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.price-period-medium {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-features-medium {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-bottom: auto;
    padding-bottom: 2rem;
}

.feature-item {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.btn-block-medium {
    width: 100%;
    display: block;
    text-align: center;
    padding: 1rem 1.5rem;
    font-weight: 700;
}

.pricing-note-center {
    text-align: center;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 146, 60, 0.1) 100%);
    border-left: 5px solid var(--warning);
    border-right: 5px solid var(--warning);
    padding: 1.25rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text-primary);
    max-width: 700px;
    margin: 0 auto;
}

.pricing-note-center strong {
    color: var(--warning);
    font-weight: 800;
}

/* Combo Offer */
.combo-offer {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 16px;
    padding: 1.75rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.combo-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.combo-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.combo-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
    .chatbot-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chatbot-header-section h2 {
        font-size: 2.5rem;
    }

    .chatbot-pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-card-medium.featured-package {
        transform: scale(1);
    }

    .pricing-card-medium.featured-package:hover {
        transform: translateY(-8px) scale(1);
    }
}

@media (max-width: 768px) {
    .chatbot-promo {
        padding: 4rem 0;
    }

    .chatbot-header-section h2 {
        font-size: 2rem;
    }

    .chatbot-benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .chatbot-pricing-grid {
        gap: 1.5rem;
    }

    .pricing-card-medium {
        padding: 2rem 1.5rem;
    }

    .price-value-medium {
        font-size: 3rem;
    }

    .combo-offer {
        flex-direction: column;
        text-align: center;
    }
}