/* ================================
   RadiantNova AI - Complete Stylesheet
   Modern, Responsive Design System
   ================================ */

/* ============ CSS RESET & BASE ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --accent-color: #14b8a6;
    
    /* UI Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Neutral Colors */
    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --dark-600: #475569;
    --gray: #64748b;
    --light-gray: #cbd5e1;
    --lighter-gray: #e2e8f0;
    --white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 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-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.0625rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.75;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-dark);
}

/* ============ UTILITY CLASSES ============ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.heart-text {
    color: var(--secondary-color);
    display: inline-block;
    animation: heartbeat 2s ease-in-out infinite;
}

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

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.highlight {
    background: linear-gradient(120deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.center {
    text-align: center;
}

/* ============ NAVIGATION ============ */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.nav-glass.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: var(--spacing-md);
}

.nav-logo {
    height: 40px;
    width: auto;
    transition: transform var(--transition-base);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    color: var(--dark-700);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--transition-base);
}

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

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

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

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    color: var(--dark-700);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-content a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    transform: translateX(4px);
}

.cta-btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.cta-btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============ BUTTONS ============ */
.btn-primary,
.btn-secondary,
.btn-outline {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

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

.btn-secondary {
    background: var(--dark);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--dark-800);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover .btn-shine {
    left: 100%;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(99, 102, 241, 0);
    }
}

/* ============ HERO SECTION ============ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0 4rem;
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    z-index: 0;
}

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

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

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

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

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

.logo-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(99, 102, 241, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.glow-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    filter: blur(40px);
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='1' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,128C1248,117,1344,107,1392,101.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom center;
    background-size: cover;
}

/* ============ SECTION STYLES ============ */
section {
    padding: 5rem 0;
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.section-subtitle-large {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin: var(--spacing-2xl) 0 var(--spacing-xl);
}

/* ============ PROBLEM SECTION ============ */
.problem-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.problem-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.problem-icon.red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.problem-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.problem-icon.yellow {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.problem-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.cost-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.problem-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.problem-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

/* ============ SOLUTIONS SECTION ============ */
.solutions-section {
    background: white;
}

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

.showcase-content h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(8px);
}

.feature-item i {
    color: var(--success);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.feature-item p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin: 0;
}

/* Chat Demo */
.showcase-demo {
    position: relative;
}

.chat-demo {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-messages {
    padding: var(--spacing-md);
    background: #f8fafc;
    min-height: 400px;
    max-height: 500px;
    overflow-y: auto;
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.message.customer {
    justify-content: flex-end;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.125rem;
}

.message.customer .avatar {
    background: var(--primary-color);
    color: white;
    order: 2;
}

.message.bot .avatar {
    background: var(--gradient-primary);
    color: white;
}

.bubble {
    max-width: 70%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    line-height: 1.6;
}

.message.customer .bubble {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.bot .bubble {
    background: white;
    color: var(--dark);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.typing-indicator {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border-top: 1px solid var(--lighter-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.response-time {
    font-size: 0.875rem;
    color: var(--gray);
}

.response-time i {
    color: var(--warning);
}

/* ============ PERFECT BOT SECTION ============ */
.perfect-bot-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.bot-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

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

.bot-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.bot-avatar {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.bot-avatar.female {
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
}

.bot-avatar.male {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
}

.status-indicator {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: var(--success);
    border: 3px solid white;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

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

.bot-gender {
    color: var(--gray);
    font-weight: 400;
    font-size: 1rem;
}

.bot-personality {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.bot-sample {
    background: rgba(99, 102, 241, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
    text-align: left;
}

.sample-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.sample-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--dark-700);
}

.bot-features {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.bot-features h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.bot-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.bot-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.bot-feature:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.bot-feature i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* ============ PRICING SECTION ============ */
.pricing-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    position: relative;
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--lighter-gray);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-8px);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

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

.pricing-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 50%;
}

.pricing-icon.starter {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

.pricing-icon.pro {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.pricing-icon.enterprise {
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-color);
}

.pricing-desc {
    color: var(--gray);
    font-size: 1rem;
}

.pricing-price {
    text-align: center;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--lighter-gray);
    border-bottom: 1px solid var(--lighter-gray);
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: super;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
}

.pricing-price .period {
    display: block;
    font-size: 1rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

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

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

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--lighter-gray);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--success);
    font-size: 1.125rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.savings-badge {
    text-align: center;
    padding: 0.75rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-weight: 600;
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
}

.savings-badge.premium {
    background: var(--gradient-primary);
    color: white;
}

.maintenance-banner {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.maintenance-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
}

.maintenance-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
}

.maintenance-text h3 {
    margin-bottom: 0.5rem;
}

.maintenance-text p {
    color: var(--gray);
    margin: 0;
}

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

.price-range {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.price-range span {
    font-size: 1rem;
    color: var(--gray);
}

.guarantee-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
    border: 2px solid var(--success);
    border-radius: var(--radius-xl);
}

.guarantee-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--success);
}

.guarantee-content h3 {
    margin-bottom: 0.5rem;
}

.guarantee-content p {
    color: var(--dark-700);
    margin: 0;
}

/* ============ RESULTS SECTION ============ */
.results-section {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.testimonial-card {
    padding: var(--spacing-xl);
    background: white;
    border: 1px solid var(--lighter-gray);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
    color: #fbbf24;
    font-size: 1.25rem;
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--dark-700);
    margin-bottom: var(--spacing-md);
}

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

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

.author-name {
    font-weight: 600;
    color: var(--dark);
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray);
}

.result-metric {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.case-studies {
    margin: var(--spacing-2xl) 0;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
}

.case-study-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.case-study-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.case-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: var(--radius-lg);
}

.case-icon.ecommerce {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.case-icon.service {
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-color);
}

.case-title h4 {
    margin-bottom: 0.25rem;
}

.case-industry {
    font-size: 0.875rem;
    color: var(--gray);
}

.case-challenge,
.case-solution {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--lighter-gray);
}

.case-challenge strong,
.case-solution strong,
.case-results strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.result-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
}

.result-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.roi-calculator-cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.roi-calculator-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.roi-calculator-cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* ============ CONTACT SECTION ============ */
.contact-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-benefits {
    margin: var(--spacing-xl) 0;
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.benefit-item i {
    color: var(--success);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin: 0;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.contact-detail {
    display: flex;
    gap: var(--spacing-md);
}

.contact-detail i {
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail strong {
    display: block;
    margin-bottom: 0.25rem;
}

.contact-detail p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin: 0;
}

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

.contact-form .form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--lighter-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-privacy {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: var(--spacing-md);
}

.form-privacy i {
    color: var(--success);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-contact {
    font-size: 0.9375rem;
    line-height: 2;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.footer-col a:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-md);
}

.footer-badges span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

/* ============ FLOATING CHAT BUTTON ============ */
.floating-chat-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
    animation: bounce 3s ease-in-out infinite;
}

.floating-chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.4);
}

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

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 24px;
    height: 24px;
    background: var(--danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============ CHAT WIDGET ============ */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 400px;
    max-height: 600px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

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

.chat-widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
}

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

.chat-avatar-small {
    position: relative;
    width: 40px;
    height: 40px;
    background: white;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--success);
    border: 2px solid white;
    border-radius: 50%;
}

.chat-status {
    font-size: 0.75rem;
    opacity: 0.9;
}

.chat-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: transform var(--transition-base);
}

.chat-close-btn:hover {
    transform: rotate(90deg);
}

.chat-widget-body {
    flex: 1;
    padding: var(--spacing-md);
    background: #f8fafc;
    overflow-y: auto;
    max-height: 400px;
}

.bot-message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.bot-avatar-mini {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bot-bubble {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.user-message {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-md);
}

.user-bubble {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg);
    border-bottom-right-radius: 4px;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.quick-reply {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    background: white;
    border: 1px solid var(--lighter-gray);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--dark-700);
    cursor: pointer;
    transition: all var(--transition-base);
}

.quick-reply:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.chat-widget-footer {
    display: flex;
    gap: 0.5rem;
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--lighter-gray);
}

#chatInput {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--lighter-gray);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
}

#chatInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.chat-send-btn:hover {
    transform: scale(1.05);
}

.chat-widget-branding {
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray);
    background: #f8fafc;
}

/* ============ MODAL ============ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--lighter-gray);
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--gray);
    cursor: pointer;
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.roi-form .form-group {
    margin-bottom: var(--spacing-md);
}

.roi-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.roi-form input {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--lighter-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.roi-results {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-lg);
}

.roi-results h4 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.roi-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.roi-metric {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.roi-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.roi-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.roi-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray);
    margin: var(--spacing-md) 0;
}

/* ============ RESPONSIVE DESIGN ============ */
@media (max-width: 1024px) {
    .hero-content,
    .solution-showcase,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .maintenance-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .maintenance-icon {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .cta-btn-nav {
        display: none;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .problem-grid,
    .bot-showcase,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .case-study-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .chat-widget {
        width: calc(100vw - 2rem);
        max-width: 400px;
    }
    
    .roi-metrics {
        grid-template-columns: 1fr;
    }
}

/* ============ ACCESSIBILITY ============ */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.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;
}

/* ============ PRINT STYLES ============ */
@media print {
    .nav-glass,
    .floating-chat-btn,
    .chat-widget,
    .hero-cta,
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        display: none !important;
    }
}

/* ============ SMOOTH SCROLLING UTILITY ============ */
html {
    scroll-padding-top: 80px;
}